ETH Price: $2,440.28 (-3.80%)

Transaction Decoder

Block:
16656643 at Feb-18-2023 04:15:59 PM +UTC
Transaction Fee:
0.002484957633971475 ETH $6.06
Gas Used:
59,475 Gas / 41.781549121 Gwei

Emitted Events:

Account State Difference:

  Address   Before After State Difference Code
0x64FEEDFa...FEBD76EB9
(Flashbots: Builder)
1.259743147085352941 Eth1.259802622085352941 Eth0.000059475
0xf266EC07...6Dc2AFF9c
78.880094627205685909 Eth
Nonce: 1985
78.877609669571714434 Eth
Nonce: 1986
0.002484957633971475

Execution Trace

GimmeTheLootByChainzoku.setApprovalForAll( operator=0x1E0049783F008A0085193E00003D00cd54003c71, approved=True )
  • OperatorFilterRegistry.isOperatorAllowed( registrant=0x64FEEDFa14Ca8FE8a366AC83e5C5788FEBD76EB9, operator=0x1E0049783F008A0085193E00003D00cd54003c71 ) => ( True )
    setApprovalForAll[ERC1155Multi (ln:261)]
    File 1 of 2: GimmeTheLootByChainzoku
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //                                                                                                                        //
    //                                                                                                                        //
    //                                                                                                                        //
    //                                                                                                                        //
    //                                 ....                                                                                   //
    //                         .-+#%- =@@@%=:=-.                                  :-.:-===-:-**=-: -=.   .                    //
    //                     -=:.#@@@* =@@@@: +@@@%+  -.              .::-+=:-::-+#@+-@@@@@@@@= #@@@=.@@*-  *#=. :              //
    //                .-+%@@@@:+@@@* *@@@@  @@@@@@: -@%*+=--*+==: .+@@@@=-@@@@@@@*.@@@@*=@@@@..@@@@.@@@%-:@@@@*:%*-.          //
    //             :#@@@@@@@@# %@@@# +@@@%  @@@@@@%  @@@@+  +@@@:  -@@@*:@@%@@@@% *@@@*  #@@@.:@@@%+@@@: %@@@#  +@@@@*:       //
    //            -@@@@#::@@% =@@@@#*@@@@- :@@%@@@@: @@@@*  #@@@+ -@@@@.#*:=@@@# +@@@@- :@@@*.%@@@@@@@%  #@@@=  #@@@%         //
    //            %@@@*  @@*..@@@@@@@@@@= -@@@+%@@@ :@@@@+ :@@@@@.%@@@-:.  @@@% =@@@@* .%@@% #@@@@@@#-  +@@@@: :@@@@@         //
    //           .@@@@: -:   =@@@#-%@@@= =@@@@.%@@= #@@@@: #@@@@@%%@@#    *@@@= +@@@%  %@@@= @@@@@@@@# +@@@%  -@@@@@*         //
    //           +@@@@: :=+=.:@@@+ %@@@  @@@@%+@@@: @@@@@. #@@@@@@@@@-  :%@@@*  .%@@%  @@@@# %@@@*@@@@==@@@#  #@@@@%          //
    //          .@@@@% .*@@@*.@@@# .@@@. *@@@*%@@@* =@@@@* -@@@%@@@@@= .@@@@=  -=+@@@* =@@@% #@@@==@@@# %@@@= -@@@@*          //
    //          *@@@@: =@@@%.*@@@: .@@@* .*@@# :@@@= *@@@@. #@@=*@@@@@ *@@%..-#@-=@@@#.*@@@::@@@@ :@@@@ *@@@%  *@@@@:         //
    //          @@@@+ :@@@% +@@@*:.+#%@@+.+@@@@.+@@* +@@@%  *@@% *@@@@-%@@@@@@@@*.%@@@@@@%:-@@@@%  @@@@:=@@@@. :@@@@#         //
    //         :@@@@%%@@@@=.@*:        :=-.:=+=:%@@- @@@@- =@@@@: %@@@-#@@@@@@@@*  -+**=: .---+#@*-%@@@* #@@@%-+@@@@%         //
    //         #@@@@@@@@%=  -                 :-=+#+.:.=%+ *@@@#  *@@@..+-:::.                  .-=..=@@- =@@@@@@@@@@         //
    //        +@@%#*+=:                                  :: :*@* :%@@@#.                               -+-. :+#%@@@@@*        //
    //       ..                                                ..   ..::.                                         ..:-:       //
    //                                                                                                                        //
    //                                                                                                                        //
    //                                                                                                                        //
    //                                                                                                                        //
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "@openzeppelin/contracts/utils/Strings.sol";
    import "./MerkleProof.sol";
    import "./ERC1155MultiSupplies.sol";
    import "./MultiMint.sol";
    import "./Initialize.sol";
    import "./ShareProxy.sol";
    // @author: miinded.com
    contract GimmeTheLootByChainzoku is Initialize, ERC1155Multi, MultiMint, MerkleProofVerify, ShareProxy {
        using Strings for uint256;
        mapping(uint256 => uint256) public burnThemAllStart;
        constructor(string memory baseURI) ERC1155(baseURI) {}
        function init(uint256 _id, Supply memory _supply, address _multiSigContract, address _shareContract) public onlyOwner isNotInitialized {
            MultiSigProxy._setMultiSigContract(_multiSigContract);
            ShareProxy._setShareContract(_shareContract);
            ERC1155Multi._setSupply(_id, _supply);
        }
        function GimmeTheBox(bytes32[] memory _proof, uint256 _id, uint256 _count, uint256 _max)
            public
            payable
            merkleVerify(_proof, keccak256(abi.encodePacked(_msgSender(), _id, _max)))
            notSoldOut(_id, uint64(_count))
            canMint(string.concat("BOX_", _id.toString()), uint64(_count))
            nonReentrant
        {
            require(mintBalance(string.concat("BOX_", _id.toString()), _msgSender()) <= _max, "Stop! You have already minted too many boxes!");
            _mintTokens(_msgSender(), _id, uint64(_count));
        }
        function GimmeTheLoot(uint256 _id, uint64 _count) public {
            require(burnThemAllStart[_id] > 0 && block.timestamp >= burnThemAllStart[_id], "No, you can't open it now!");
            burn(_id, _count);
        }
        function BurnThemAll(uint256 _id, uint256 _burnThemAllStart) public onlyOwnerOrAdmins {
            burnThemAllStart[_id] = _burnThemAllStart;
        }
        function ToTheVault(uint256 _id) public onlyOwnerOrAdmins {
            uint256 count = supplies[_id].max - supplies[_id].minted;
            require(mintIsOpen(string.concat("BOX_", _id.toString())) == false, "Mhh, it's not the right time");
            require(count > 0, "There are no boxes left");
            _mintTokens(_msgSender(), _id, uint64(count));
        }
        receive() external payable {}
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)
    pragma solidity ^0.8.0;
    import "./math/Math.sol";
    /**
     * @dev String operations.
     */
    library Strings {
        bytes16 private constant _SYMBOLS = "0123456789abcdef";
        uint8 private constant _ADDRESS_LENGTH = 20;
        /**
         * @dev Converts a `uint256` to its ASCII `string` decimal representation.
         */
        function toString(uint256 value) internal pure returns (string memory) {
            unchecked {
                uint256 length = Math.log10(value) + 1;
                string memory buffer = new string(length);
                uint256 ptr;
                /// @solidity memory-safe-assembly
                assembly {
                    ptr := add(buffer, add(32, length))
                }
                while (true) {
                    ptr--;
                    /// @solidity memory-safe-assembly
                    assembly {
                        mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                    }
                    value /= 10;
                    if (value == 0) break;
                }
                return buffer;
            }
        }
        /**
         * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
         */
        function toHexString(uint256 value) internal pure returns (string memory) {
            unchecked {
                return toHexString(value, Math.log256(value) + 1);
            }
        }
        /**
         * @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] = _SYMBOLS[value & 0xf];
                value >>= 4;
            }
            require(value == 0, "Strings: hex length insufficient");
            return string(buffer);
        }
        /**
         * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
         */
        function toHexString(address addr) internal pure returns (string memory) {
            return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
    import "./Admins.sol";
    // @author: miinded.com
    abstract contract MerkleProofVerify is Admins {
        using MerkleProof for bytes32[];
        /**
        @dev hash of the root of the merkle
        */
        bytes32 public merkleRoot;
        /**
        @dev Used for verify the _proof and the _leaf
            The _leaf need to be calculated by the contract itself
            The _proof is calculated by the server, not by the contract
         */
        modifier merkleVerify(bytes32[] memory _proof, bytes32 _leaf){
            merkleCheck(_proof, _leaf);
            _;
        }
        /**
        @notice Verify the proof of the leaf.
        @dev (see @dev merkleVerify)
        */
        function merkleCheck(bytes32[] memory _proof, bytes32 _leaf) public view {
            require(_proof.verify(merkleRoot, _leaf), "MerkleProofVerify: Proof not valid");
        }
        /**
        @dev onlyOwner can change the root of the merkle.this
            Change root need to be done only if there is no pending tx during the mint.
        */
        function setMerkleRoot(bytes32 _merkleRoot) public onlyOwnerOrAdmins {
            merkleRoot = _merkleRoot;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
    import "operator-filter-registry/src/DefaultOperatorFilterer.sol";
    import "@openzeppelin/contracts/token/common/ERC2981.sol";
    import "./Admins.sol";
    import "./ERC1155.sol";
    import "./MultiSigProxy.sol";
    // @author: miinded.com
    abstract contract ERC1155Multi is ERC1155, ERC2981, MultiSigProxy, ReentrancyGuard, DefaultOperatorFilterer {
        struct Supply{
            uint64 max;
            uint64 minted;
            uint64 burned;
        }
        mapping(uint256 => Supply) public supplies;
        /**
        @dev Verify if the contract is soldout
        */
        modifier notSoldOut(uint256 _id, uint64 _count) {
            require(supplies[_id].minted + _count <= supplies[_id].max, "Sold out!");
            _;
        }
        /**
        @notice Set the max supply of the contract
        @dev only internal, can't be change after contract deployment
        */
        function setSupply(uint256 _id, Supply memory _supply) public onlyOwnerOrAdmins {
            MultiSigProxy.validate("setSupply");
            _setSupply(_id, _supply);
        }
        function _setSupply(uint256 _id, Supply memory _supply) internal {
            supplies[_id] = _supply;
        }
        /**
        @notice Set the base URI for metadata of all tokens
        */
        function setBaseUri(string memory baseURI) public onlyOwnerOrAdmins {
            _setURI(baseURI);
        }
        /**
        @notice Get all ids for a wallet
        @dev This method can revert if the _maxId is > 30000.
            it is not recommended to call this method from another contract.
        */
        function walletOfOwner(address _wallet, uint256 _maxId) public view returns(uint256[] memory){
            uint256[] memory ids = new uint256[](_maxId + 1);
            for(uint256 id = 0; id <= _maxId; id++){
                ids[id] = balanceOf(_wallet, id);
            }
            return ids;
        }
        /**
        @notice Replace ERC1155Enumerable.totalSupply()
        @return The total token available.
        */
        function totalSupply(uint256 _id) public view returns (uint64) {
            return supplies[_id].minted - supplies[_id].burned;
        }
        /**
        @notice Mint the next tokens
        */
        function _mintTokens(address _wallet, uint256 _id, uint64 _count) internal{
            supplies[_id].minted += _count;
            _mint(_wallet, _id, _count, "");
        }
        /**
        @notice Mint the tokens reserved for the team project
        @dev the tokens are minted to the owner of the contract
        */
        function reserve(uint256 _id, uint64 _count) public virtual notSoldOut(_id, _count) onlyOwnerOrAdmins {
            _mintTokens(_msgSender(), _id, _count);
        }
        /**
        @notice Burn the token if is approve or owner
        */
        function burn(uint256 _id, uint64 _count) public virtual {
            supplies[_id].burned += _count;
            _burn(_msgSender(), _id, _count);
        }
        /**
         * @notice Allows the owner to set default royalties following EIP-2981 royalty standard.
         */
        function setDefaultRoyalty(address receiver, uint96 feeNumerator) external onlyOwnerOrAdmins {
            _setDefaultRoyalty(receiver, feeNumerator);
        }
        function supportsInterface(bytes4 _interfaceId) public view virtual override(ERC1155, ERC2981) returns (bool) {
            return super.supportsInterface(_interfaceId);
        }
        /**
        @notice Add the Operator filter functions
        */
        function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {
            super.setApprovalForAll(operator, approved);
        }
        function safeTransferFrom(address from, address to, uint256 tokenId, uint256 amount, bytes memory data)
        public
        override
        onlyAllowedOperator(from)
        {
            super.safeTransferFrom(from, to, tokenId, amount, data);
        }
        function safeBatchTransferFrom(
            address from,
            address to,
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) public virtual override onlyAllowedOperator(from) {
            super.safeBatchTransferFrom(from, to, ids, amounts, data);
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
    import "./interface/IMultiMint.sol";
    import "./Admins.sol";
    // @author: miinded.com
    abstract contract MultiMint is IMultiMint, Admins, ReentrancyGuard {
        string[] public mintsNames;
        mapping(string => Mint) public mints;
        mapping(string => uint8) public mintNamesKey;
        mapping(uint8 => mapping(address => uint256)) balance;
        modifier canMint(string memory _name, uint256 _count) virtual {
            require(mintIsOpen(_name), "Mint not open");
            require(_count <= mints[_name].maxPerTx, "Max per tx limit");
            require(msg.value >= mintPrice(_name, _count), "Value limit");
            if(mints[_name].maxPerWallet > 0){
                require(balance[mintNamesKey[_name]][_msgSender()] + _count <= mints[_name].maxPerWallet, "Max per wallet limit");
                balance[mintNamesKey[_name]][_msgSender()] += _count;
            }
            _;
        }
        function setMint(string memory _name, Mint memory _mint) public override onlyOwnerOrAdmins{
            require(_mint.valid, "_mint.valid is missing");
            if(!mints[_name].valid){
                mintsNames.push(_name);
                mintNamesKey[_name] = uint8(mintsNames.length);
            }
            mints[_name] = _mint;
            emit EventMintChange(_name, _mint);
        }
        function pauseMint(string memory _name, bool _pause) public override onlyOwnerOrAdmins{
            mints[_name].paused = _pause;
        }
        function mintIsOpen(string memory _name) public view override returns(bool){
            return mints[_name].start > 0 && block.timestamp >= mints[_name].start && block.timestamp <= mints[_name].end && !mints[_name].paused;
        }
        function mintCurrent() public override view returns (string memory){
            for(uint256 i = 0; i < mintsNames.length; i++){
                if(mintIsOpen(mintsNames[i])){
                    return mintsNames[i];
                }
            }
            return "NONE";
        }
        function mintNames() public view override returns (string[] memory){
            return mintsNames;
        }
        function mintPrice(string memory _name, uint256 _count) public view virtual override returns (uint256){
            return mints[_name].price * _count;
        }
        function mintBalance(string memory _name, address _wallet) public view override returns(uint256){
            return balance[mintNamesKey[_name]][_wallet];
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    // @author: miinded.com
    abstract contract Initialize {
        bool private _initialized = false;
        modifier isNotInitialized() {
            require(_initialized == false, "Already Initialized");
            _;
            _initialized = true;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "./MultiSigProxy.sol";
    import "./Initialize.sol";
    // @author: miinded.com
    abstract contract ShareProxy is MultiSigProxy {
        address public shareContract;
        function setShareContract(address _shareContract) public {
            MultiSigProxy.validate("setShareContract");
            _setShareContract(_shareContract);
        }
        function _setShareContract(address _shareContract) internal {
            shareContract = _shareContract;
        }
        function withdraw() public onlyOwnerOrAdmins {
            (bool success, ) = shareContract.call{value: address(this).balance}("");
            require(success, "Transfer failed.");
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Standard math utilities missing in the Solidity language.
     */
    library Math {
        enum Rounding {
            Down, // Toward negative infinity
            Up, // Toward infinity
            Zero // Toward zero
        }
        /**
         * @dev Returns the largest of two numbers.
         */
        function max(uint256 a, uint256 b) internal pure returns (uint256) {
            return a > b ? a : b;
        }
        /**
         * @dev Returns the smallest of two numbers.
         */
        function min(uint256 a, uint256 b) internal pure returns (uint256) {
            return a < b ? a : b;
        }
        /**
         * @dev Returns the average of two numbers. The result is rounded towards
         * zero.
         */
        function average(uint256 a, uint256 b) internal pure returns (uint256) {
            // (a + b) / 2 can overflow.
            return (a & b) + (a ^ b) / 2;
        }
        /**
         * @dev Returns the ceiling of the division of two numbers.
         *
         * This differs from standard division with `/` in that it rounds up instead
         * of rounding down.
         */
        function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
            // (a + b - 1) / b can overflow on addition, so we distribute.
            return a == 0 ? 0 : (a - 1) / b + 1;
        }
        /**
         * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
         * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
         * with further edits by Uniswap Labs also under MIT license.
         */
        function mulDiv(
            uint256 x,
            uint256 y,
            uint256 denominator
        ) internal pure returns (uint256 result) {
            unchecked {
                // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
                // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
                // variables such that product = prod1 * 2^256 + prod0.
                uint256 prod0; // Least significant 256 bits of the product
                uint256 prod1; // Most significant 256 bits of the product
                assembly {
                    let mm := mulmod(x, y, not(0))
                    prod0 := mul(x, y)
                    prod1 := sub(sub(mm, prod0), lt(mm, prod0))
                }
                // Handle non-overflow cases, 256 by 256 division.
                if (prod1 == 0) {
                    return prod0 / denominator;
                }
                // Make sure the result is less than 2^256. Also prevents denominator == 0.
                require(denominator > prod1);
                ///////////////////////////////////////////////
                // 512 by 256 division.
                ///////////////////////////////////////////////
                // Make division exact by subtracting the remainder from [prod1 prod0].
                uint256 remainder;
                assembly {
                    // Compute remainder using mulmod.
                    remainder := mulmod(x, y, denominator)
                    // Subtract 256 bit number from 512 bit number.
                    prod1 := sub(prod1, gt(remainder, prod0))
                    prod0 := sub(prod0, remainder)
                }
                // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
                // See https://cs.stackexchange.com/q/138556/92363.
                // Does not overflow because the denominator cannot be zero at this stage in the function.
                uint256 twos = denominator & (~denominator + 1);
                assembly {
                    // Divide denominator by twos.
                    denominator := div(denominator, twos)
                    // Divide [prod1 prod0] by twos.
                    prod0 := div(prod0, twos)
                    // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                    twos := add(div(sub(0, twos), twos), 1)
                }
                // Shift in bits from prod1 into prod0.
                prod0 |= prod1 * twos;
                // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
                // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
                // four bits. That is, denominator * inv = 1 mod 2^4.
                uint256 inverse = (3 * denominator) ^ 2;
                // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
                // in modular arithmetic, doubling the correct bits in each step.
                inverse *= 2 - denominator * inverse; // inverse mod 2^8
                inverse *= 2 - denominator * inverse; // inverse mod 2^16
                inverse *= 2 - denominator * inverse; // inverse mod 2^32
                inverse *= 2 - denominator * inverse; // inverse mod 2^64
                inverse *= 2 - denominator * inverse; // inverse mod 2^128
                inverse *= 2 - denominator * inverse; // inverse mod 2^256
                // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
                // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
                // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
                // is no longer required.
                result = prod0 * inverse;
                return result;
            }
        }
        /**
         * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
         */
        function mulDiv(
            uint256 x,
            uint256 y,
            uint256 denominator,
            Rounding rounding
        ) internal pure returns (uint256) {
            uint256 result = mulDiv(x, y, denominator);
            if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
                result += 1;
            }
            return result;
        }
        /**
         * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
         *
         * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
         */
        function sqrt(uint256 a) internal pure returns (uint256) {
            if (a == 0) {
                return 0;
            }
            // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
            //
            // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
            // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
            //
            // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
            // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
            // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
            //
            // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
            uint256 result = 1 << (log2(a) >> 1);
            // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
            // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
            // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
            // into the expected uint128 result.
            unchecked {
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                result = (result + a / result) >> 1;
                return min(result, a / result);
            }
        }
        /**
         * @notice Calculates sqrt(a), following the selected rounding direction.
         */
        function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
            unchecked {
                uint256 result = sqrt(a);
                return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
            }
        }
        /**
         * @dev Return the log in base 2, rounded down, of a positive value.
         * Returns 0 if given 0.
         */
        function log2(uint256 value) internal pure returns (uint256) {
            uint256 result = 0;
            unchecked {
                if (value >> 128 > 0) {
                    value >>= 128;
                    result += 128;
                }
                if (value >> 64 > 0) {
                    value >>= 64;
                    result += 64;
                }
                if (value >> 32 > 0) {
                    value >>= 32;
                    result += 32;
                }
                if (value >> 16 > 0) {
                    value >>= 16;
                    result += 16;
                }
                if (value >> 8 > 0) {
                    value >>= 8;
                    result += 8;
                }
                if (value >> 4 > 0) {
                    value >>= 4;
                    result += 4;
                }
                if (value >> 2 > 0) {
                    value >>= 2;
                    result += 2;
                }
                if (value >> 1 > 0) {
                    result += 1;
                }
            }
            return result;
        }
        /**
         * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
         * Returns 0 if given 0.
         */
        function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
            unchecked {
                uint256 result = log2(value);
                return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
            }
        }
        /**
         * @dev Return the log in base 10, rounded down, of a positive value.
         * Returns 0 if given 0.
         */
        function log10(uint256 value) internal pure returns (uint256) {
            uint256 result = 0;
            unchecked {
                if (value >= 10**64) {
                    value /= 10**64;
                    result += 64;
                }
                if (value >= 10**32) {
                    value /= 10**32;
                    result += 32;
                }
                if (value >= 10**16) {
                    value /= 10**16;
                    result += 16;
                }
                if (value >= 10**8) {
                    value /= 10**8;
                    result += 8;
                }
                if (value >= 10**4) {
                    value /= 10**4;
                    result += 4;
                }
                if (value >= 10**2) {
                    value /= 10**2;
                    result += 2;
                }
                if (value >= 10**1) {
                    result += 1;
                }
            }
            return result;
        }
        /**
         * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
         * Returns 0 if given 0.
         */
        function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
            unchecked {
                uint256 result = log10(value);
                return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
            }
        }
        /**
         * @dev Return the log in base 256, rounded down, of a positive value.
         * Returns 0 if given 0.
         *
         * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
         */
        function log256(uint256 value) internal pure returns (uint256) {
            uint256 result = 0;
            unchecked {
                if (value >> 128 > 0) {
                    value >>= 128;
                    result += 16;
                }
                if (value >> 64 > 0) {
                    value >>= 64;
                    result += 8;
                }
                if (value >> 32 > 0) {
                    value >>= 32;
                    result += 4;
                }
                if (value >> 16 > 0) {
                    value >>= 16;
                    result += 2;
                }
                if (value >> 8 > 0) {
                    result += 1;
                }
            }
            return result;
        }
        /**
         * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
         * Returns 0 if given 0.
         */
        function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
            unchecked {
                uint256 result = log256(value);
                return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
            }
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev These functions deal with verification of Merkle Tree proofs.
     *
     * The tree and the proofs can be generated using our
     * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
     * You will find a quickstart guide in the readme.
     *
     * WARNING: You should avoid using leaf values that are 64 bytes long prior to
     * hashing, or use a hash function other than keccak256 for hashing leaves.
     * This is because the concatenation of a sorted pair of internal nodes in
     * the merkle tree could be reinterpreted as a leaf value.
     * OpenZeppelin's JavaScript library generates merkle trees that are safe
     * against this attack out of the box.
     */
    library MerkleProof {
        /**
         * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
         * defined by `root`. For this, a `proof` must be provided, containing
         * sibling hashes on the branch from the leaf to the root of the tree. Each
         * pair of leaves and each pair of pre-images are assumed to be sorted.
         */
        function verify(
            bytes32[] memory proof,
            bytes32 root,
            bytes32 leaf
        ) internal pure returns (bool) {
            return processProof(proof, leaf) == root;
        }
        /**
         * @dev Calldata version of {verify}
         *
         * _Available since v4.7._
         */
        function verifyCalldata(
            bytes32[] calldata proof,
            bytes32 root,
            bytes32 leaf
        ) internal pure returns (bool) {
            return processProofCalldata(proof, leaf) == root;
        }
        /**
         * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
         * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
         * hash matches the root of the tree. When processing the proof, the pairs
         * of leafs & pre-images are assumed to be sorted.
         *
         * _Available since v4.4._
         */
        function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
            bytes32 computedHash = leaf;
            for (uint256 i = 0; i < proof.length; i++) {
                computedHash = _hashPair(computedHash, proof[i]);
            }
            return computedHash;
        }
        /**
         * @dev Calldata version of {processProof}
         *
         * _Available since v4.7._
         */
        function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
            bytes32 computedHash = leaf;
            for (uint256 i = 0; i < proof.length; i++) {
                computedHash = _hashPair(computedHash, proof[i]);
            }
            return computedHash;
        }
        /**
         * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
         * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
         *
         * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
         *
         * _Available since v4.7._
         */
        function multiProofVerify(
            bytes32[] memory proof,
            bool[] memory proofFlags,
            bytes32 root,
            bytes32[] memory leaves
        ) internal pure returns (bool) {
            return processMultiProof(proof, proofFlags, leaves) == root;
        }
        /**
         * @dev Calldata version of {multiProofVerify}
         *
         * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
         *
         * _Available since v4.7._
         */
        function multiProofVerifyCalldata(
            bytes32[] calldata proof,
            bool[] calldata proofFlags,
            bytes32 root,
            bytes32[] memory leaves
        ) internal pure returns (bool) {
            return processMultiProofCalldata(proof, proofFlags, leaves) == root;
        }
        /**
         * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
         * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
         * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
         * respectively.
         *
         * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
         * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
         * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
         *
         * _Available since v4.7._
         */
        function processMultiProof(
            bytes32[] memory proof,
            bool[] memory proofFlags,
            bytes32[] memory leaves
        ) internal pure returns (bytes32 merkleRoot) {
            // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
            // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
            // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
            // the merkle tree.
            uint256 leavesLen = leaves.length;
            uint256 totalHashes = proofFlags.length;
            // Check proof validity.
            require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
            // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
            // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
            bytes32[] memory hashes = new bytes32[](totalHashes);
            uint256 leafPos = 0;
            uint256 hashPos = 0;
            uint256 proofPos = 0;
            // At each step, we compute the next hash using two values:
            // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
            //   get the next hash.
            // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
            //   `proof` array.
            for (uint256 i = 0; i < totalHashes; i++) {
                bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
                bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
                hashes[i] = _hashPair(a, b);
            }
            if (totalHashes > 0) {
                return hashes[totalHashes - 1];
            } else if (leavesLen > 0) {
                return leaves[0];
            } else {
                return proof[0];
            }
        }
        /**
         * @dev Calldata version of {processMultiProof}.
         *
         * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
         *
         * _Available since v4.7._
         */
        function processMultiProofCalldata(
            bytes32[] calldata proof,
            bool[] calldata proofFlags,
            bytes32[] memory leaves
        ) internal pure returns (bytes32 merkleRoot) {
            // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
            // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
            // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
            // the merkle tree.
            uint256 leavesLen = leaves.length;
            uint256 totalHashes = proofFlags.length;
            // Check proof validity.
            require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");
            // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
            // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
            bytes32[] memory hashes = new bytes32[](totalHashes);
            uint256 leafPos = 0;
            uint256 hashPos = 0;
            uint256 proofPos = 0;
            // At each step, we compute the next hash using two values:
            // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
            //   get the next hash.
            // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
            //   `proof` array.
            for (uint256 i = 0; i < totalHashes; i++) {
                bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
                bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
                hashes[i] = _hashPair(a, b);
            }
            if (totalHashes > 0) {
                return hashes[totalHashes - 1];
            } else if (leavesLen > 0) {
                return leaves[0];
            } else {
                return proof[0];
            }
        }
        function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
            return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
        }
        function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
            /// @solidity memory-safe-assembly
            assembly {
                mstore(0x00, a)
                mstore(0x20, b)
                value := keccak256(0x00, 0x40)
            }
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/access/Ownable.sol";
    // @author: miinded.com
    abstract contract Admins is Ownable{
        mapping(address => bool) private admins;
        /**
        @dev check if the address is admin or not
        **/
        function isAdmin(address _admin) public view returns(bool) {
            return admins[_admin];
        }
        /**
        @dev Set the wallet address who can pass the onlyAdmin modifier
        **/
        function setAdminAddress(address _admin, bool _active) public virtual onlyOwner {
            admins[_admin] = _active;
        }
        /**
        @notice Check if the sender is owner() or admin
        **/
        modifier onlyOwnerOrAdmins() {
            require(admins[_msgSender()] == true || owner() == _msgSender(), "Ownable: caller is not the owner");
            _;
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
    pragma solidity ^0.8.0;
    import "../utils/Context.sol";
    /**
     * @dev Contract module which provides a basic access control mechanism, where
     * there is an account (an owner) that can be granted exclusive access to
     * specific functions.
     *
     * By default, the owner account will be the one that deploys the contract. This
     * can later be changed with {transferOwnership}.
     *
     * This module is used through inheritance. It will make available the modifier
     * `onlyOwner`, which can be applied to your functions to restrict their use to
     * the owner.
     */
    abstract contract Ownable is Context {
        address private _owner;
        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
        /**
         * @dev Initializes the contract setting the deployer as the initial owner.
         */
        constructor() {
            _transferOwnership(_msgSender());
        }
        /**
         * @dev Throws if called by any account other than the owner.
         */
        modifier onlyOwner() {
            _checkOwner();
            _;
        }
        /**
         * @dev Returns the address of the current owner.
         */
        function owner() public view virtual returns (address) {
            return _owner;
        }
        /**
         * @dev Throws if the sender is not the owner.
         */
        function _checkOwner() internal view virtual {
            require(owner() == _msgSender(), "Ownable: caller is not the owner");
        }
        /**
         * @dev Leaves the contract without owner. It will not be possible to call
         * `onlyOwner` functions anymore. Can only be called by the current owner.
         *
         * NOTE: Renouncing ownership will leave the contract without an owner,
         * thereby removing any functionality that is only available to the owner.
         */
        function renounceOwnership() public virtual onlyOwner {
            _transferOwnership(address(0));
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Can only be called by the current owner.
         */
        function transferOwnership(address newOwner) public virtual onlyOwner {
            require(newOwner != address(0), "Ownable: new owner is the zero address");
            _transferOwnership(newOwner);
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Internal function without access restriction.
         */
        function _transferOwnership(address newOwner) internal virtual {
            address oldOwner = _owner;
            _owner = newOwner;
            emit OwnershipTransferred(oldOwner, newOwner);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
    pragma solidity ^0.8.0;
    /**
     * @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;
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Contract module that helps prevent reentrant calls to a function.
     *
     * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
     * available, which can be applied to functions to make sure there are no nested
     * (reentrant) calls to them.
     *
     * Note that because there is a single `nonReentrant` guard, functions marked as
     * `nonReentrant` may not call one another. This can be worked around by making
     * those functions `private`, and then adding `external` `nonReentrant` entry
     * points to them.
     *
     * TIP: If you would like to learn more about reentrancy and alternative ways
     * to protect against it, check out our blog post
     * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
     */
    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() {
            _nonReentrantBefore();
            _;
            _nonReentrantAfter();
        }
        function _nonReentrantBefore() private {
            // On the first call to nonReentrant, _status will be _NOT_ENTERED
            require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
            // Any calls to nonReentrant after this point will fail
            _status = _ENTERED;
        }
        function _nonReentrantAfter() private {
            // By storing the original value once again, a refund is triggered (see
            // https://eips.ethereum.org/EIPS/eip-2200)
            _status = _NOT_ENTERED;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import {OperatorFilterer} from "./OperatorFilterer.sol";
    /**
     * @title  DefaultOperatorFilterer
     * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
     */
    abstract contract DefaultOperatorFilterer is OperatorFilterer {
        address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);
        constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)
    pragma solidity ^0.8.0;
    import "../../interfaces/IERC2981.sol";
    import "../../utils/introspection/ERC165.sol";
    /**
     * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
     *
     * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
     * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
     *
     * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
     * fee is specified in basis points by default.
     *
     * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
     * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
     * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
     *
     * _Available since v4.5._
     */
    abstract contract ERC2981 is IERC2981, ERC165 {
        struct RoyaltyInfo {
            address receiver;
            uint96 royaltyFraction;
        }
        RoyaltyInfo private _defaultRoyaltyInfo;
        mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
            return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
        }
        /**
         * @inheritdoc IERC2981
         */
        function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
            RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];
            if (royalty.receiver == address(0)) {
                royalty = _defaultRoyaltyInfo;
            }
            uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();
            return (royalty.receiver, royaltyAmount);
        }
        /**
         * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
         * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
         * override.
         */
        function _feeDenominator() internal pure virtual returns (uint96) {
            return 10000;
        }
        /**
         * @dev Sets the royalty information that all ids in this contract will default to.
         *
         * Requirements:
         *
         * - `receiver` cannot be the zero address.
         * - `feeNumerator` cannot be greater than the fee denominator.
         */
        function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
            require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
            require(receiver != address(0), "ERC2981: invalid receiver");
            _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
        }
        /**
         * @dev Removes default royalty information.
         */
        function _deleteDefaultRoyalty() internal virtual {
            delete _defaultRoyaltyInfo;
        }
        /**
         * @dev Sets the royalty information for a specific token id, overriding the global default.
         *
         * Requirements:
         *
         * - `receiver` cannot be the zero address.
         * - `feeNumerator` cannot be greater than the fee denominator.
         */
        function _setTokenRoyalty(
            uint256 tokenId,
            address receiver,
            uint96 feeNumerator
        ) internal virtual {
            require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
            require(receiver != address(0), "ERC2981: Invalid parameters");
            _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
        }
        /**
         * @dev Resets royalty information for the token id back to the global default.
         */
        function _resetTokenRoyalty(uint256 tokenId) internal virtual {
            delete _tokenRoyaltyInfo[tokenId];
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol)
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
    import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
    import "@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol";
    import "@openzeppelin/contracts/utils/Address.sol";
    import "@openzeppelin/contracts/utils/Context.sol";
    import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
    /**
     * @dev Implementation of the basic standard multi-token.
     * See https://eips.ethereum.org/EIPS/eip-1155
     * Originally based on code by Enjin: https://github.com/enjin/erc-1155
     *
     * _Available since v3.1._
     */
    contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
        using Address for address;
        // Mapping from token ID to account balances
        mapping(uint256 => mapping(address => uint256)) private _balances;
        // Mapping from account to operator approvals
        mapping(address => mapping(address => bool)) private _operatorApprovals;
        // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
        string private _uri;
        /**
         * @dev See {_setURI}.
         */
        constructor(string memory uri_) {
            _setURI(uri_);
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
            return
            interfaceId == type(IERC1155).interfaceId ||
            interfaceId == type(IERC1155MetadataURI).interfaceId ||
            super.supportsInterface(interfaceId);
        }
        /**
         * @dev See {IERC1155MetadataURI-uri}.
         *
         * This implementation returns the same URI for *all* token types. It relies
         * on the token type ID substitution mechanism
         * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
         *
         * Clients calling this function must replace the `\\{id\\}` substring with the
         * actual token type ID.
         */
        function uri(uint256) public view virtual override returns (string memory) {
            return _uri;
        }
        /**
         * @dev See {IERC1155-balanceOf}.
         *
         * Requirements:
         *
         * - `account` cannot be the zero address.
         */
        function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
            require(account != address(0), "ERC1155: balance query for the zero address");
            return _balances[id][account];
        }
        /**
         * @dev See {IERC1155-balanceOfBatch}.
         *
         * Requirements:
         *
         * - `accounts` and `ids` must have the same length.
         */
        function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
        public
        view
        virtual
        override
        returns (uint256[] memory)
        {
            require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
            uint256[] memory batchBalances = new uint256[](accounts.length);
            for (uint256 i = 0; i < accounts.length; ++i) {
                batchBalances[i] = balanceOf(accounts[i], ids[i]);
            }
            return batchBalances;
        }
        /**
         * @dev See {IERC1155-setApprovalForAll}.
         */
        function setApprovalForAll(address operator, bool approved) public virtual override {
            _setApprovalForAll(_msgSender(), operator, approved);
        }
        /**
         * @dev See {IERC1155-isApprovedForAll}.
         */
        function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
            return _operatorApprovals[account][operator];
        }
        /**
         * @dev See {IERC1155-safeTransferFrom}.
         */
        function safeTransferFrom(
            address from,
            address to,
            uint256 id,
            uint256 amount,
            bytes memory data
        ) public virtual override {
            require(
                from == _msgSender() || isApprovedForAll(from, _msgSender()),
                "ERC1155: caller is not owner nor approved"
            );
            _safeTransferFrom(from, to, id, amount, data);
        }
        /**
         * @dev See {IERC1155-safeBatchTransferFrom}.
         */
        function safeBatchTransferFrom(
            address from,
            address to,
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) public virtual override {
            require(
                from == _msgSender() || isApprovedForAll(from, _msgSender()),
                "ERC1155: transfer caller is not owner nor approved"
            );
            _safeBatchTransferFrom(from, to, ids, amounts, data);
        }
        /**
         * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
         *
         * Emits a {TransferSingle} event.
         *
         * Requirements:
         *
         * - `to` cannot be the zero address.
         * - `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 memory data
        ) internal virtual {
            require(to != address(0), "ERC1155: transfer to the zero address");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);
            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }
            _balances[id][to] += amount;
            emit TransferSingle(operator, from, to, id, amount);
            _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
        }
        /**
         * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
         *
         * Emits a {TransferBatch} event.
         *
         * Requirements:
         *
         * - 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[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) internal virtual {
            require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
            require(to != address(0), "ERC1155: transfer to the zero address");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, from, to, ids, amounts, data);
            for (uint256 i = 0; i < ids.length; ++i) {
                uint256 id = ids[i];
                uint256 amount = amounts[i];
                uint256 fromBalance = _balances[id][from];
                require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
                _balances[id][to] += amount;
            }
            emit TransferBatch(operator, from, to, ids, amounts);
            _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
        }
        /**
         * @dev Sets a new URI for all token types, by relying on the token type ID
         * substitution mechanism
         * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
         *
         * By this mechanism, any occurrence of the `\\{id\\}` substring in either the
         * URI or any of the amounts in the JSON file at said URI will be replaced by
         * clients with the token type ID.
         *
         * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be
         * interpreted by clients as
         * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
         * for token type ID 0x4cce0.
         *
         * See {uri}.
         *
         * Because these URIs cannot be meaningfully represented by the {URI} event,
         * this function emits no events.
         */
        function _setURI(string memory newuri) internal virtual {
            _uri = newuri;
        }
        /**
         * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
         *
         * Emits a {TransferSingle} event.
         *
         * Requirements:
         *
         * - `to` cannot be the zero address.
         * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
         * acceptance magic value.
         */
        function _mint(
            address to,
            uint256 id,
            uint256 amount,
            bytes memory data
        ) internal virtual {
            require(to != address(0), "ERC1155: mint to the zero address");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data);
            _balances[id][to] += amount;
            emit TransferSingle(operator, address(0), to, id, amount);
            _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
        }
        /**
         * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
         *
         * 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 _mintBatch(
            address to,
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) internal virtual {
            require(to != address(0), "ERC1155: mint to the zero address");
            require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
            for (uint256 i = 0; i < ids.length; i++) {
                _balances[ids[i]][to] += amounts[i];
            }
            emit TransferBatch(operator, address(0), to, ids, amounts);
            _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
        }
        /**
         * @dev Destroys `amount` tokens of token type `id` from `from`
         *
         * Requirements:
         *
         * - `from` cannot be the zero address.
         * - `from` must have at least `amount` tokens of token type `id`.
         */
        function _burn(
            address from,
            uint256 id,
            uint256 amount
        ) internal virtual {
            require(from != address(0), "ERC1155: burn from the zero address");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");
            uint256 fromBalance = _balances[id][from];
            require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
        unchecked {
            _balances[id][from] = fromBalance - amount;
        }
            emit TransferSingle(operator, from, address(0), id, amount);
        }
        /**
         * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
         *
         * Requirements:
         *
         * - `ids` and `amounts` must have the same length.
         */
        function _burnBatch(
            address from,
            uint256[] memory ids,
            uint256[] memory amounts
        ) internal virtual {
            require(from != address(0), "ERC1155: burn from the zero address");
            require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
            address operator = _msgSender();
            _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
            for (uint256 i = 0; i < ids.length; i++) {
                uint256 id = ids[i];
                uint256 amount = amounts[i];
                uint256 fromBalance = _balances[id][from];
                require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
            unchecked {
                _balances[id][from] = fromBalance - amount;
            }
            }
            emit TransferBatch(operator, from, address(0), ids, amounts);
        }
        /**
         * @dev Approve `operator` to operate on all of `owner` tokens
         *
         * Emits a {ApprovalForAll} event.
         */
        function _setApprovalForAll(
            address owner,
            address operator,
            bool approved
        ) internal virtual {
            require(owner != operator, "ERC1155: setting approval status for self");
            _operatorApprovals[owner][operator] = approved;
            emit ApprovalForAll(owner, operator, approved);
        }
        /**
         * @dev Hook that is called before any token transfer. This includes minting
         * and burning, as well as batched variants.
         *
         * The same hook is called on both single and batched variants. For single
         * transfers, the length of the `id` and `amount` arrays will be 1.
         *
         * Calling conditions (for each `id` and `amount` pair):
         *
         * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
         * of token type `id` will be  transferred to `to`.
         * - When `from` is zero, `amount` tokens of token type `id` will be minted
         * for `to`.
         * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
         * will be burned.
         * - `from` and `to` are never both zero.
         * - `ids` and `amounts` have the same, non-zero length.
         *
         * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
         */
        function _beforeTokenTransfer(
            address operator,
            address from,
            address to,
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) internal virtual {}
        function _doSafeTransferAcceptanceCheck(
            address operator,
            address from,
            address to,
            uint256 id,
            uint256 amount,
            bytes memory data
        ) private {
            if (to.isContract()) {
                try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                    if (response != IERC1155Receiver.onERC1155Received.selector) {
                        revert("ERC1155: ERC1155Receiver rejected tokens");
                    }
                } catch Error(string memory reason) {
                    revert(reason);
                } catch {
                    revert("ERC1155: transfer to non ERC1155Receiver implementer");
                }
            }
        }
        function _doSafeBatchTransferAcceptanceCheck(
            address operator,
            address from,
            address to,
            uint256[] memory ids,
            uint256[] memory amounts,
            bytes memory data
        ) private {
            if (to.isContract()) {
                try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                    bytes4 response
                ) {
                    if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
                        revert("ERC1155: ERC1155Receiver rejected tokens");
                    }
                } catch Error(string memory reason) {
                    revert(reason);
                } catch {
                    revert("ERC1155: transfer to non ERC1155Receiver implementer");
                }
            }
        }
        function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
            uint256[] memory array = new uint256[](1);
            array[0] = element;
            return array;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "./interface/IMultiSig.sol";
    import "./Admins.sol";
    // @author: miinded.com
    abstract contract MultiSigProxy is Admins {
        address public multiSigContract;
        function _setMultiSigContract(address _contract) internal {
            multiSigContract = _contract;
        }
        function setMultiSigContract(address _contract) public onlyOwnerOrAdmins {
            IMultiSig(multiSigContract).validate("setMultiSigContract");
            _setMultiSigContract(_contract);
        }
        function validate(string memory _method) internal {
            IMultiSig(multiSigContract).validate(_method);
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
    /**
     * @title  OperatorFilterer
     * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
     *         registrant's entries in the OperatorFilterRegistry.
     * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
     *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
     *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
     */
    abstract contract OperatorFilterer {
        error OperatorNotAllowed(address operator);
        IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
            IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
        constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
            // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
            // will not revert, but the contract will need to be registered with the registry once it is deployed in
            // order for the modifier to filter addresses.
            if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                if (subscribe) {
                    OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    if (subscriptionOrRegistrantToCopy != address(0)) {
                        OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                    } else {
                        OPERATOR_FILTER_REGISTRY.register(address(this));
                    }
                }
            }
        }
        modifier onlyAllowedOperator(address from) virtual {
            // Allow spending tokens from addresses with balance
            // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
            // from an EOA.
            if (from != msg.sender) {
                _checkFilterOperator(msg.sender);
            }
            _;
        }
        modifier onlyAllowedOperatorApproval(address operator) virtual {
            _checkFilterOperator(operator);
            _;
        }
        function _checkFilterOperator(address operator) internal view virtual {
            // Check registry code length to facilitate testing in environments without a deployed registry.
            if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                    revert OperatorNotAllowed(operator);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    interface IOperatorFilterRegistry {
        function isOperatorAllowed(address registrant, address operator) external view returns (bool);
        function register(address registrant) external;
        function registerAndSubscribe(address registrant, address subscription) external;
        function registerAndCopyEntries(address registrant, address registrantToCopy) external;
        function unregister(address addr) external;
        function updateOperator(address registrant, address operator, bool filtered) external;
        function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
        function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
        function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
        function subscribe(address registrant, address registrantToSubscribe) external;
        function unsubscribe(address registrant, bool copyExistingEntries) external;
        function subscriptionOf(address addr) external returns (address registrant);
        function subscribers(address registrant) external returns (address[] memory);
        function subscriberAt(address registrant, uint256 index) external returns (address);
        function copyEntriesOf(address registrant, address registrantToCopy) external;
        function isOperatorFiltered(address registrant, address operator) external returns (bool);
        function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
        function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
        function filteredOperators(address addr) external returns (address[] memory);
        function filteredCodeHashes(address addr) external returns (bytes32[] memory);
        function filteredOperatorAt(address registrant, uint256 index) external returns (address);
        function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
        function isRegistered(address addr) external returns (bool);
        function codeHashOf(address addr) external returns (bytes32);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
    pragma solidity ^0.8.0;
    import "../utils/introspection/IERC165.sol";
    /**
     * @dev Interface for the NFT Royalty Standard.
     *
     * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
     * support for royalty payments across all NFT marketplaces and ecosystem participants.
     *
     * _Available since v4.5._
     */
    interface IERC2981 is IERC165 {
        /**
         * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
         * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
         */
        function royaltyInfo(uint256 tokenId, uint256 salePrice)
            external
            view
            returns (address receiver, uint256 royaltyAmount);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
    pragma solidity ^0.8.0;
    import "./IERC165.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 ERC165 is IERC165 {
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
            return interfaceId == type(IERC165).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 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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
    pragma solidity ^0.8.0;
    import "../../utils/introspection/IERC165.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 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;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
    pragma solidity ^0.8.0;
    import "../../utils/introspection/IERC165.sol";
    /**
     * @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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
    pragma solidity ^0.8.0;
    import "../IERC1155.sol";
    /**
     * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
     * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
     *
     * _Available since v3.1._
     */
    interface IERC1155MetadataURI is IERC1155 {
        /**
         * @dev Returns the URI for token type `id`.
         *
         * If the `\\{id\\}` substring is present in the URI, it must be replaced by
         * clients with the actual token type ID.
         */
        function uri(uint256 id) external view returns (string memory);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
    pragma solidity ^0.8.1;
    /**
     * @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 functionCallWithValue(target, data, 0, "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");
            (bool success, bytes memory returndata) = target.call{value: value}(data);
            return verifyCallResultFromTarget(target, 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) {
            (bool success, bytes memory returndata) = target.staticcall(data);
            return verifyCallResultFromTarget(target, 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) {
            (bool success, bytes memory returndata) = target.delegatecall(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
         * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
         *
         * _Available since v4.8._
         */
        function verifyCallResultFromTarget(
            address target,
            bool success,
            bytes memory returndata,
            string memory errorMessage
        ) internal view returns (bytes memory) {
            if (success) {
                if (returndata.length == 0) {
                    // only check isContract if the call was successful and the return data is empty
                    // otherwise we already know that it was a contract
                    require(isContract(target), "Address: call to non-contract");
                }
                return returndata;
            } else {
                _revert(returndata, errorMessage);
            }
        }
        /**
         * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
         * revert reason or 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 {
                _revert(returndata, errorMessage);
            }
        }
        function _revert(bytes memory returndata, string memory errorMessage) private pure {
            // 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    // @author: miinded.com
    interface IMultiSig {
        function validate(string memory) external;
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.0;
    // @author: miinded.com
    interface IMultiMint {
        struct Mint {
            uint256 start;
            uint256 end;
            uint256 maxPerWallet;
            uint256 maxPerTx;
            uint256 price;
            bool paused;
            bool valid;
        }
        event EventMintChange(string _name, Mint sale);
        function setMint(string calldata _name, Mint memory _sale) external;
        function pauseMint(string calldata _name, bool _pause) external;
        function mintIsOpen(string memory _name) external returns(bool);
        function mintCurrent() external returns(string memory);
        function mintNames() external returns(string[] memory);
        function mintPrice(string memory _name, uint256 _count) external returns(uint256);
        function mintBalance(string memory _name, address _wallet) external view returns(uint256);
    }
    

    File 2 of 2: OperatorFilterRegistry
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
    pragma solidity ^0.8.0;
    import "../utils/Context.sol";
    /**
     * @dev Contract module which provides a basic access control mechanism, where
     * there is an account (an owner) that can be granted exclusive access to
     * specific functions.
     *
     * By default, the owner account will be the one that deploys the contract. This
     * can later be changed with {transferOwnership}.
     *
     * This module is used through inheritance. It will make available the modifier
     * `onlyOwner`, which can be applied to your functions to restrict their use to
     * the owner.
     */
    abstract contract Ownable is Context {
        address private _owner;
        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
        /**
         * @dev Initializes the contract setting the deployer as the initial owner.
         */
        constructor() {
            _transferOwnership(_msgSender());
        }
        /**
         * @dev Throws if called by any account other than the owner.
         */
        modifier onlyOwner() {
            _checkOwner();
            _;
        }
        /**
         * @dev Returns the address of the current owner.
         */
        function owner() public view virtual returns (address) {
            return _owner;
        }
        /**
         * @dev Throws if the sender is not the owner.
         */
        function _checkOwner() internal view virtual {
            require(owner() == _msgSender(), "Ownable: caller is not the owner");
        }
        /**
         * @dev Leaves the contract without owner. It will not be possible to call
         * `onlyOwner` functions anymore. Can only be called by the current owner.
         *
         * NOTE: Renouncing ownership will leave the contract without an owner,
         * thereby removing any functionality that is only available to the owner.
         */
        function renounceOwnership() public virtual onlyOwner {
            _transferOwnership(address(0));
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Can only be called by the current owner.
         */
        function transferOwnership(address newOwner) public virtual onlyOwner {
            require(newOwner != address(0), "Ownable: new owner is the zero address");
            _transferOwnership(newOwner);
        }
        /**
         * @dev Transfers ownership of the contract to a new account (`newOwner`).
         * Internal function without access restriction.
         */
        function _transferOwnership(address newOwner) internal virtual {
            address oldOwner = _owner;
            _owner = newOwner;
            emit OwnershipTransferred(oldOwner, newOwner);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
    pragma solidity ^0.8.0;
    /**
     * @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;
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)
    // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.
    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.
     *
     * [WARNING]
     * ====
     * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
     * unusable.
     * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
     *
     * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
     * array of EnumerableSet.
     * ====
     */
    library EnumerableSet {
        // 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) {
            bytes32[] memory store = _values(set._inner);
            bytes32[] memory result;
            /// @solidity memory-safe-assembly
            assembly {
                result := store
            }
            return result;
        }
        // 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;
            /// @solidity memory-safe-assembly
            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 in 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;
            /// @solidity memory-safe-assembly
            assembly {
                result := store
            }
            return result;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import {EnumerableSet} from "openzeppelin-contracts/utils/structs/EnumerableSet.sol";
    interface IOperatorFilterRegistry {
        function isOperatorAllowed(address registrant, address operator) external returns (bool);
        function register(address registrant) external;
        function registerAndSubscribe(address registrant, address subscription) external;
        function registerAndCopyEntries(address registrant, address registrantToCopy) external;
        function updateOperator(address registrant, address operator, bool filtered) external;
        function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
        function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
        function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
        function subscribe(address registrant, address registrantToSubscribe) external;
        function unsubscribe(address registrant, bool copyExistingEntries) external;
        function subscriptionOf(address addr) external returns (address registrant);
        function subscribers(address registrant) external returns (address[] memory);
        function subscriberAt(address registrant, uint256 index) external returns (address);
        function copyEntriesOf(address registrant, address registrantToCopy) external;
        function isOperatorFiltered(address registrant, address operator) external returns (bool);
        function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
        function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
        function filteredOperators(address addr) external returns (address[] memory);
        function filteredCodeHashes(address addr) external returns (bytes32[] memory);
        function filteredOperatorAt(address registrant, uint256 index) external returns (address);
        function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
        function isRegistered(address addr) external returns (bool);
        function codeHashOf(address addr) external returns (bytes32);
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
    import {Ownable} from "openzeppelin-contracts/access/Ownable.sol";
    import {EnumerableSet} from "openzeppelin-contracts/utils/structs/EnumerableSet.sol";
    import {OperatorFilterRegistryErrorsAndEvents} from "./OperatorFilterRegistryErrorsAndEvents.sol";
    /**
     * @title  OperatorFilterRegistry
     * @notice Borrows heavily from the QQL BlacklistOperatorFilter contract:
     *         https://github.com/qql-art/contracts/blob/main/contracts/BlacklistOperatorFilter.sol
     * @notice This contracts allows tokens or token owners to register specific addresses or codeHashes that may be
     * *       restricted according to the isOperatorAllowed function.
     */
    contract OperatorFilterRegistry is IOperatorFilterRegistry, OperatorFilterRegistryErrorsAndEvents {
        using EnumerableSet for EnumerableSet.AddressSet;
        using EnumerableSet for EnumerableSet.Bytes32Set;
        /// @dev initialized accounts have a nonzero codehash (see https://eips.ethereum.org/EIPS/eip-1052)
        /// Note that this will also be a smart contract's codehash when making calls from its constructor.
        bytes32 constant EOA_CODEHASH = keccak256("");
        mapping(address => EnumerableSet.AddressSet) private _filteredOperators;
        mapping(address => EnumerableSet.Bytes32Set) private _filteredCodeHashes;
        mapping(address => address) private _registrations;
        mapping(address => EnumerableSet.AddressSet) private _subscribers;
        /**
         * @notice restricts method caller to the address or EIP-173 "owner()"
         */
        modifier onlyAddressOrOwner(address addr) {
            if (msg.sender != addr) {
                try Ownable(addr).owner() returns (address owner) {
                    if (msg.sender != owner) {
                        revert OnlyAddressOrOwner();
                    }
                } catch (bytes memory reason) {
                    if (reason.length == 0) {
                        revert NotOwnable();
                    } else {
                        /// @solidity memory-safe-assembly
                        assembly {
                            revert(add(32, reason), mload(reason))
                        }
                    }
                }
            }
            _;
        }
        /**
         * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
         *         true if supplied registrant address is not registered.
         */
        function isOperatorAllowed(address registrant, address operator) external view returns (bool) {
            address registration = _registrations[registrant];
            if (registration != address(0)) {
                EnumerableSet.AddressSet storage filteredOperatorsRef;
                EnumerableSet.Bytes32Set storage filteredCodeHashesRef;
                filteredOperatorsRef = _filteredOperators[registration];
                filteredCodeHashesRef = _filteredCodeHashes[registration];
                if (filteredOperatorsRef.contains(operator)) {
                    revert AddressFiltered(operator);
                }
                if (operator.code.length > 0) {
                    bytes32 codeHash = operator.codehash;
                    if (filteredCodeHashesRef.contains(codeHash)) {
                        revert CodeHashFiltered(operator, codeHash);
                    }
                }
            }
            return true;
        }
        //////////////////
        // AUTH METHODS //
        //////////////////
        /**
         * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
         */
        function register(address registrant) external onlyAddressOrOwner(registrant) {
            if (_registrations[registrant] != address(0)) {
                revert AlreadyRegistered();
            }
            _registrations[registrant] = registrant;
            emit RegistrationUpdated(registrant, true);
        }
        /**
         * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
         *         Note that this does not remove any filtered addresses or codeHashes.
         *         Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
         */
        function unregister(address registrant) external onlyAddressOrOwner(registrant) {
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                _subscribers[registration].remove(registrant);
                emit SubscriptionUpdated(registrant, registration, false);
            }
            _registrations[registrant] = address(0);
            emit RegistrationUpdated(registrant, false);
        }
        /**
         * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
         */
        function registerAndSubscribe(address registrant, address subscription) external onlyAddressOrOwner(registrant) {
            address registration = _registrations[registrant];
            if (registration != address(0)) {
                revert AlreadyRegistered();
            }
            if (registrant == subscription) {
                revert CannotSubscribeToSelf();
            }
            address subscriptionRegistration = _registrations[subscription];
            if (subscriptionRegistration == address(0)) {
                revert NotRegistered(subscription);
            }
            if (subscriptionRegistration != subscription) {
                revert CannotSubscribeToRegistrantWithSubscription(subscription);
            }
            _registrations[registrant] = subscription;
            _subscribers[subscription].add(registrant);
            emit RegistrationUpdated(registrant, true);
            emit SubscriptionUpdated(registrant, subscription, true);
        }
        /**
         * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
         *         address without subscribing.
         */
        function registerAndCopyEntries(address registrant, address registrantToCopy)
            external
            onlyAddressOrOwner(registrant)
        {
            if (registrantToCopy == registrant) {
                revert CannotCopyFromSelf();
            }
            address registration = _registrations[registrant];
            if (registration != address(0)) {
                revert AlreadyRegistered();
            }
            address registrantRegistration = _registrations[registrantToCopy];
            if (registrantRegistration == address(0)) {
                revert NotRegistered(registrantToCopy);
            }
            _registrations[registrant] = registrant;
            emit RegistrationUpdated(registrant, true);
            _copyEntries(registrant, registrantToCopy);
        }
        /**
         * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
         */
        function updateOperator(address registrant, address operator, bool filtered)
            external
            onlyAddressOrOwner(registrant)
        {
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                revert CannotUpdateWhileSubscribed(registration);
            }
            EnumerableSet.AddressSet storage filteredOperatorsRef = _filteredOperators[registrant];
            if (!filtered) {
                bool removed = filteredOperatorsRef.remove(operator);
                if (!removed) {
                    revert AddressNotFiltered(operator);
                }
            } else {
                bool added = filteredOperatorsRef.add(operator);
                if (!added) {
                    revert AddressAlreadyFiltered(operator);
                }
            }
            emit OperatorUpdated(registrant, operator, filtered);
        }
        /**
         * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
         */
        function updateCodeHash(address registrant, bytes32 codeHash, bool filtered)
            external
            onlyAddressOrOwner(registrant)
        {
            if (codeHash == EOA_CODEHASH) {
                revert CannotFilterEOAs();
            }
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                revert CannotUpdateWhileSubscribed(registration);
            }
            EnumerableSet.Bytes32Set storage filteredCodeHashesRef = _filteredCodeHashes[registrant];
            if (!filtered) {
                bool removed = filteredCodeHashesRef.remove(codeHash);
                if (!removed) {
                    revert CodeHashNotFiltered(codeHash);
                }
            } else {
                bool added = filteredCodeHashesRef.add(codeHash);
                if (!added) {
                    revert CodeHashAlreadyFiltered(codeHash);
                }
            }
            emit CodeHashUpdated(registrant, codeHash, filtered);
        }
        /**
         * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
         */
        function updateOperators(address registrant, address[] calldata operators, bool filtered)
            external
            onlyAddressOrOwner(registrant)
        {
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                revert CannotUpdateWhileSubscribed(registration);
            }
            EnumerableSet.AddressSet storage filteredOperatorsRef = _filteredOperators[registrant];
            uint256 operatorsLength = operators.length;
            unchecked {
                if (!filtered) {
                    for (uint256 i = 0; i < operatorsLength; ++i) {
                        address operator = operators[i];
                        bool removed = filteredOperatorsRef.remove(operator);
                        if (!removed) {
                            revert AddressNotFiltered(operator);
                        }
                    }
                } else {
                    for (uint256 i = 0; i < operatorsLength; ++i) {
                        address operator = operators[i];
                        bool added = filteredOperatorsRef.add(operator);
                        if (!added) {
                            revert AddressAlreadyFiltered(operator);
                        }
                    }
                }
            }
            emit OperatorsUpdated(registrant, operators, filtered);
        }
        /**
         * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
         */
        function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered)
            external
            onlyAddressOrOwner(registrant)
        {
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                revert CannotUpdateWhileSubscribed(registration);
            }
            EnumerableSet.Bytes32Set storage filteredCodeHashesRef = _filteredCodeHashes[registrant];
            uint256 codeHashesLength = codeHashes.length;
            unchecked {
                if (!filtered) {
                    for (uint256 i = 0; i < codeHashesLength; ++i) {
                        bytes32 codeHash = codeHashes[i];
                        bool removed = filteredCodeHashesRef.remove(codeHash);
                        if (!removed) {
                            revert CodeHashNotFiltered(codeHash);
                        }
                    }
                } else {
                    for (uint256 i = 0; i < codeHashesLength; ++i) {
                        bytes32 codeHash = codeHashes[i];
                        if (codeHash == EOA_CODEHASH) {
                            revert CannotFilterEOAs();
                        }
                        bool added = filteredCodeHashesRef.add(codeHash);
                        if (!added) {
                            revert CodeHashAlreadyFiltered(codeHash);
                        }
                    }
                }
            }
            emit CodeHashesUpdated(registrant, codeHashes, filtered);
        }
        /**
         * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
         *         subscription if present.
         *         Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
         *         subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
         *         used.
         */
        function subscribe(address registrant, address newSubscription) external onlyAddressOrOwner(registrant) {
            if (registrant == newSubscription) {
                revert CannotSubscribeToSelf();
            }
            if (newSubscription == address(0)) {
                revert CannotSubscribeToZeroAddress();
            }
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration == newSubscription) {
                revert AlreadySubscribed(newSubscription);
            }
            address newSubscriptionRegistration = _registrations[newSubscription];
            if (newSubscriptionRegistration == address(0)) {
                revert NotRegistered(newSubscription);
            }
            if (newSubscriptionRegistration != newSubscription) {
                revert CannotSubscribeToRegistrantWithSubscription(newSubscription);
            }
            if (registration != registrant) {
                _subscribers[registration].remove(registrant);
                emit SubscriptionUpdated(registrant, registration, false);
            }
            _registrations[registrant] = newSubscription;
            _subscribers[newSubscription].add(registrant);
            emit SubscriptionUpdated(registrant, newSubscription, true);
        }
        /**
         * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
         */
        function unsubscribe(address registrant, bool copyExistingEntries) external onlyAddressOrOwner(registrant) {
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration == registrant) {
                revert NotSubscribed();
            }
            _subscribers[registration].remove(registrant);
            _registrations[registrant] = registrant;
            emit SubscriptionUpdated(registrant, registration, false);
            if (copyExistingEntries) {
                _copyEntries(registrant, registration);
            }
        }
        /**
         * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
         */
        function copyEntriesOf(address registrant, address registrantToCopy) external onlyAddressOrOwner(registrant) {
            if (registrant == registrantToCopy) {
                revert CannotCopyFromSelf();
            }
            address registration = _registrations[registrant];
            if (registration == address(0)) {
                revert NotRegistered(registrant);
            }
            if (registration != registrant) {
                revert CannotUpdateWhileSubscribed(registration);
            }
            address registrantRegistration = _registrations[registrantToCopy];
            if (registrantRegistration == address(0)) {
                revert NotRegistered(registrantToCopy);
            }
            _copyEntries(registrant, registrantToCopy);
        }
        /// @dev helper to copy entries from registrantToCopy to registrant and emit events
        function _copyEntries(address registrant, address registrantToCopy) private {
            EnumerableSet.AddressSet storage filteredOperatorsRef = _filteredOperators[registrantToCopy];
            EnumerableSet.Bytes32Set storage filteredCodeHashesRef = _filteredCodeHashes[registrantToCopy];
            uint256 filteredOperatorsLength = filteredOperatorsRef.length();
            uint256 filteredCodeHashesLength = filteredCodeHashesRef.length();
            unchecked {
                for (uint256 i = 0; i < filteredOperatorsLength; ++i) {
                    address operator = filteredOperatorsRef.at(i);
                    bool added = _filteredOperators[registrant].add(operator);
                    if (added) {
                        emit OperatorUpdated(registrant, operator, true);
                    }
                }
                for (uint256 i = 0; i < filteredCodeHashesLength; ++i) {
                    bytes32 codehash = filteredCodeHashesRef.at(i);
                    bool added = _filteredCodeHashes[registrant].add(codehash);
                    if (added) {
                        emit CodeHashUpdated(registrant, codehash, true);
                    }
                }
            }
        }
        //////////////////
        // VIEW METHODS //
        //////////////////
        /**
         * @notice Get the subscription address of a given registrant, if any.
         */
        function subscriptionOf(address registrant) external view returns (address subscription) {
            subscription = _registrations[registrant];
            if (subscription == address(0)) {
                revert NotRegistered(registrant);
            } else if (subscription == registrant) {
                subscription = address(0);
            }
        }
        /**
         * @notice Get the set of addresses subscribed to a given registrant.
         *         Note that order is not guaranteed as updates are made.
         */
        function subscribers(address registrant) external view returns (address[] memory) {
            return _subscribers[registrant].values();
        }
        /**
         * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
         *         Note that order is not guaranteed as updates are made.
         */
        function subscriberAt(address registrant, uint256 index) external view returns (address) {
            return _subscribers[registrant].at(index);
        }
        /**
         * @notice Returns true if operator is filtered by a given address or its subscription.
         */
        function isOperatorFiltered(address registrant, address operator) external view returns (bool) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredOperators[registration].contains(operator);
            }
            return _filteredOperators[registrant].contains(operator);
        }
        /**
         * @notice Returns true if a codeHash is filtered by a given address or its subscription.
         */
        function isCodeHashFiltered(address registrant, bytes32 codeHash) external view returns (bool) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredCodeHashes[registration].contains(codeHash);
            }
            return _filteredCodeHashes[registrant].contains(codeHash);
        }
        /**
         * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
         */
        function isCodeHashOfFiltered(address registrant, address operatorWithCode) external view returns (bool) {
            bytes32 codeHash = operatorWithCode.codehash;
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredCodeHashes[registration].contains(codeHash);
            }
            return _filteredCodeHashes[registrant].contains(codeHash);
        }
        /**
         * @notice Returns true if an address has registered
         */
        function isRegistered(address registrant) external view returns (bool) {
            return _registrations[registrant] != address(0);
        }
        /**
         * @notice Returns a list of filtered operators for a given address or its subscription.
         */
        function filteredOperators(address registrant) external view returns (address[] memory) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredOperators[registration].values();
            }
            return _filteredOperators[registrant].values();
        }
        /**
         * @notice Returns the set of filtered codeHashes for a given address or its subscription.
         *         Note that order is not guaranteed as updates are made.
         */
        function filteredCodeHashes(address registrant) external view returns (bytes32[] memory) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredCodeHashes[registration].values();
            }
            return _filteredCodeHashes[registrant].values();
        }
        /**
         * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
         *         its subscription.
         *         Note that order is not guaranteed as updates are made.
         */
        function filteredOperatorAt(address registrant, uint256 index) external view returns (address) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredOperators[registration].at(index);
            }
            return _filteredOperators[registrant].at(index);
        }
        /**
         * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
         *         its subscription.
         *         Note that order is not guaranteed as updates are made.
         */
        function filteredCodeHashAt(address registrant, uint256 index) external view returns (bytes32) {
            address registration = _registrations[registrant];
            if (registration != registrant) {
                return _filteredCodeHashes[registration].at(index);
            }
            return _filteredCodeHashes[registrant].at(index);
        }
        /// @dev Convenience method to compute the code hash of an arbitrary contract
        function codeHashOf(address a) external view returns (bytes32) {
            return a.codehash;
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    contract OperatorFilterRegistryErrorsAndEvents {
        error CannotFilterEOAs();
        error AddressAlreadyFiltered(address operator);
        error AddressNotFiltered(address operator);
        error CodeHashAlreadyFiltered(bytes32 codeHash);
        error CodeHashNotFiltered(bytes32 codeHash);
        error OnlyAddressOrOwner();
        error NotRegistered(address registrant);
        error AlreadyRegistered();
        error AlreadySubscribed(address subscription);
        error NotSubscribed();
        error CannotUpdateWhileSubscribed(address subscription);
        error CannotSubscribeToSelf();
        error CannotSubscribeToZeroAddress();
        error NotOwnable();
        error AddressFiltered(address filtered);
        error CodeHashFiltered(address account, bytes32 codeHash);
        error CannotSubscribeToRegistrantWithSubscription(address registrant);
        error CannotCopyFromSelf();
        event RegistrationUpdated(address indexed registrant, bool indexed registered);
        event OperatorUpdated(address indexed registrant, address indexed operator, bool indexed filtered);
        event OperatorsUpdated(address indexed registrant, address[] operators, bool indexed filtered);
        event CodeHashUpdated(address indexed registrant, bytes32 indexed codeHash, bool indexed filtered);
        event CodeHashesUpdated(address indexed registrant, bytes32[] codeHashes, bool indexed filtered);
        event SubscriptionUpdated(address indexed registrant, address indexed subscription, bool indexed subscribed);
    }