ETH Price: $3,131.38 (-1.99%)
 

Overview

Max Total Supply

7 Space Art, Cars and Retro

Holders

4

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Filtered by Token Holder
liquidseahorse.eth
0xf7b66998e0ed29ff788d148dcbf3d3ed7ccbca58
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# Exchange Pair Price  24H Volume % Volume

Minimal Proxy Contract for 0x87e2a2a9c50734aaf9ed373ca01fbb2ee852efa1

Contract Name:
Layerr1155

Compiler Version
v0.8.13+commit.abaa5c0e

Optimization Enabled:
Yes with 1500 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 13 : Layerr1155.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

import { ERC1155 } from "./ERC1155.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/proxy/utils/Initializable.sol";
import "operator-filter-registry/src/DefaultOperatorFilterer.sol";
import "./interfaces/ILayerrToken.sol";
import "./interfaces/ILayerrVariables.sol";


contract Layerr1155 is DefaultOperatorFilterer, Initializable, ERC1155, ERC2981, ILayerrToken {
  struct Details {
      uint72 price;
      uint32 saleStarts;
      uint32 saleEnds;
      uint24 editionCounts;
      uint24 maxMintsPerTx;
      uint24 tokenEditionMints;
      bool isClaim;
  }

  mapping(uint => string) public URIs;
  mapping(uint => Details) public tokenDetails;
  mapping(uint => uint[]) public requiredBurnIds;
  mapping(uint => uint256[]) public requiredBurnAmounts;
  mapping(uint => uint[]) public requiredClaimIds;
  mapping(uint => uint256[]) public requiredClaimAmounts;

  address public owner;
  address public LayerrXYZ;

  string public name;
  string public contractURI_;
  string public symbol;

  modifier onlyOwner() {
    require(msg.sender == owner, "ERROR");
    _;
  }

  /*
  * @dev returns the uri for a token, see: https://docs.opensea.io/docs/metadata-standards
  */
  function uri(uint256 id) public view virtual override returns (string memory) {
    return URIs[id];
  }

  /*
  * @dev returns contract details for marketplaces, see https://docs.opensea.io/docs/contract-level-metadata
  */
  function contractURI() public view returns (string memory) {
    return contractURI_;
  }

  /*
  * @dev standard mint function, including burn & redeem tokens. For fee structures, see {ILayerrVariables}
  */
  function mint(uint _id, uint256 _amount) public payable {
    Details storage _details = tokenDetails[_id];
    require(!_details.isClaim && block.timestamp >= _details.saleStarts && block.timestamp <= _details.saleEnds, "This token is a claim");
    require(_details.tokenEditionMints + uint24(_amount) <= _details.editionCounts, "Not enough editions left");

    uint flatTotal = viewFlatFee() * _amount;
    uint totalPrice = _details.price * _amount;
    require(totalPrice + flatTotal <= msg.value, "Incorrect amount sent");
    require(_amount <= _details.maxMintsPerTx, "Exceeds max mints per tx");

    if (totalPrice > 0) {
      payable(owner).transfer(totalPrice * (1000 - viewFee()) / 1000);
    }

    if (requiredBurnIds[_id].length > 1) {
      uint256[] memory burnAmounts = new uint256[](requiredBurnAmounts[_id].length);
      for (uint i = 0; i < requiredBurnAmounts[_id].length;) {
        burnAmounts[i] = requiredBurnAmounts[_id][i] * _amount;
        unchecked { i++; }
      }
      _batchBurn(msg.sender, requiredBurnIds[_id], burnAmounts);
    } else if (requiredBurnIds[_id].length == 1) {
      _burn(msg.sender, requiredBurnIds[_id][0], requiredBurnAmounts[_id][0] * _amount);
    }

    _details.tokenEditionMints += uint24(_amount);
    _mint(msg.sender, _id, _amount, "");
  }

  /*
  * @dev standard batch mint function, including burn & redeem tokens. For fee structures, see {ILayerrVariables}
  */
  function batchMint(uint[] memory _ids, uint256[] memory _amounts) public payable {
    require(_ids.length == _amounts.length, "ERROR");
    uint totalCost;
    uint totalFees;
    for (uint i = 0; i < _ids.length;) {
      uint id = _ids[i];
      uint256 amount = _amounts[i];
      Details memory _details = tokenDetails[id];
      require(!_details.isClaim && block.timestamp >= _details.saleStarts && block.timestamp <= _details.saleEnds, "This token is a claim");
      require(_details.tokenEditionMints + amount <= _details.editionCounts, "Not enough editions left");
      require(amount <= _details.maxMintsPerTx, "Exceeds max mints per tx");
      totalCost += _details.price * amount;
      totalFees += viewFlatFee() * amount;
      _details.tokenEditionMints += uint24(amount);
      tokenDetails[id] = _details;

      if (requiredBurnIds[id].length > 1) {
        uint256[] memory burnAmounts = new uint256[](requiredBurnAmounts[id].length);
        for (uint j = 0; j < requiredBurnAmounts[id].length;) {
          burnAmounts[j] = requiredBurnAmounts[id][j] * amount;
          unchecked {
            j++;
          }
        }
        _batchBurn(msg.sender, requiredBurnIds[id], burnAmounts);
      } else if (requiredBurnIds[id].length == 1) {
        _burn(msg.sender, requiredBurnIds[id][0], requiredBurnAmounts[id][0] * amount);
      }

      unchecked {
        i++;
      }
    }

    require(totalCost + totalFees <= msg.value, "Incorrect amount sent");
    payable(owner).transfer(totalCost * (1000 - viewFee()) / 1000);
    _batchMint(msg.sender, _ids, _amounts, "");
  }

  /*
  * @dev mints the tokens required for a claim, and claims the token in a single transaction
  */
  function mintAndClaim(uint _id, uint256 _amount) public payable {
    Details storage _details = tokenDetails[_id];
    require(_details.isClaim && block.timestamp >= _details.saleStarts && block.timestamp <= _details.saleEnds, "Sale is not active for this token");
    require(_details.tokenEditionMints + _amount <= _details.editionCounts, "Not enough editions left");

    _details.tokenEditionMints += uint24(_amount);

    if (_amount > 1) {
      uint256[] memory claimAmounts = new uint256[](requiredClaimAmounts[_id].length);
      for (uint i = 0; i < requiredClaimAmounts[_id].length;) {
        claimAmounts[i] = requiredClaimAmounts[_id][i] * _amount;
        unchecked {
          i++;
        }
      }
      batchMint(requiredClaimIds[_id], claimAmounts);
    } else {
      batchMint(requiredClaimIds[_id], requiredClaimAmounts[_id]);
    }

    _mint(msg.sender, _id, _amount, "");
  }

  /*
  * @dev claims a token, requires the user to have the required tokens in their wallet
  */
  function claim(uint _id, uint256 _amount) public payable {
    Details storage _details = tokenDetails[_id];
    require(_details.isClaim && block.timestamp >= _details.saleStarts && block.timestamp <= _details.saleEnds, "Sale is not active for this token");
    require(_details.tokenEditionMints + _amount <= _details.editionCounts, "Not enough editions left");
    require(viewFlatFee() * _amount <= msg.value, "Incorrect amount sent");
    uint[] memory requiredIds = requiredClaimIds[_id];
    uint[] memory requiredAmounts = requiredClaimAmounts[_id];
    for (uint i = 0; i < requiredClaimIds[_id].length;) {
      require(balanceOf[msg.sender][requiredIds[i]] >= requiredAmounts[i] * _amount, "Not enough required tokens");
      unchecked {
        i++;
      }
    }
    _details.tokenEditionMints += uint24(_amount);


    _mint(msg.sender, _id, _amount, "");
  }

  ////////////////////////////////////////////////////////////
  ///////////   OWNER FUNCTIONS   ////////////////////////////
  ////////////////////////////////////////////////////////////

  /*
  * @dev sets the contract URI
  */
  function setContractURI(string memory _contractURI) public onlyOwner {
    contractURI_ = _contractURI;
  }

  /*
  * @dev allows the contract owner to mint tokens, not subject to fees. Can be used outside the sale period
  * but must be used within the edition count
  */
  function ownerMint(uint _id, uint256 _amount, address _to) public onlyOwner {
    Details storage _details = tokenDetails[_id];
    require(_details.tokenEditionMints + _amount <= _details.editionCounts, "Not enough editions left");
    _details.tokenEditionMints += uint24(_amount);
    _mint(_to, _id, _amount, "");
  }
  
  /*
  * @dev see {ILayerrToken - initialize}
  */
  function initialize (
    bytes calldata data,
    address _LayerrXYZ
  ) public initializer {
    uint96 pct;
    address royaltyReciever;
    bool subscribeOpensea;

    owner = tx.origin;
    LayerrXYZ = _LayerrXYZ;
    (name, symbol, contractURI_, pct, royaltyReciever, subscribeOpensea) = abi.decode(data, (string, string, string, uint96, address, bool));

    _setDefaultRoyalty(royaltyReciever, pct);

    if (subscribeOpensea) {
      OperatorFilterer.OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6));
    }
  }

  /*
  * @dev adds a token to the contract by initializing its details
  */
  function addToken(
    uint _id,
    string memory _uri,
    uint72 _price,
    uint32 _saleStart,
    uint32 _saleEnd,
    uint24 _editionCount,
    uint24 _maxMintsPerTx,
    uint[] memory _requiredBurnIds,
    uint256[] memory _requiredBurnAmounts,
    bool _isClaim,
    uint[] memory _requiredClaimIds,
    uint256[] memory _requiredClaimAmounts
  ) public onlyOwner {
    URIs[_id] = _uri;

    Details memory _details;
    _details.price = _price;
    _details.saleStarts = _saleStart;
    _details.saleEnds = _saleEnd;
    _details.editionCounts = _editionCount;
    _details.maxMintsPerTx = _maxMintsPerTx;
    _details.tokenEditionMints = 0;
    _details.isClaim = _isClaim;
    tokenDetails[_id] = _details;

    if (_requiredBurnIds.length > 0) {
      requiredBurnIds[_id] = _requiredBurnIds;
      requiredBurnAmounts[_id] = _requiredBurnAmounts;
    }

    if (_isClaim) {
      requiredClaimIds[_id] = _requiredClaimIds;
      requiredClaimAmounts[_id] = _requiredClaimAmounts;
    }
  }

  /*
  * @dev adds a batch of tokens to the contract
  */
  function addTokenBatch (
    uint[] memory _ids,
    string[] memory _uris,
    uint72[] memory _prices,
    uint32[] memory _saleStarts,
    uint32[] memory _saleEnds,
    uint24[] memory _editionCounts,
    uint24[] memory _maxMintsPerTx,
    uint[][] memory _requiredBurnIds,
    uint256[][] memory _requiredBurnAmounts,
    bool[] memory _isClaim,
    uint[][] memory _requiredClaimIds,
    uint256[][] memory _requiredClaimAmounts
  ) public onlyOwner {
    for (uint i = 0; i < _ids.length;) {
      addToken(
        _ids[i],
        _uris[i],
        _prices[i],
        _saleStarts[i],
        _saleEnds[i],
        _editionCounts[i],
        _maxMintsPerTx[i],
        _requiredBurnIds[i],
        _requiredBurnAmounts[i],
        _isClaim[i],
        _requiredClaimIds[i],
        _requiredClaimAmounts[i]
      );
      unchecked {
        i++;
      }
    }
  }

  /*
  * @dev allows the contract owner to modify the token sale period
  * this is the only allowed modification to an existing token
  */
  function modifySalePeriod(uint _id, uint32 _saleStart, uint32 _saleEnd) public onlyOwner {
    Details storage _details = tokenDetails[_id];
    _details.saleStarts = _saleStart;
    _details.saleEnds = _saleEnd;
  }

  /*
  * @dev allows the contract owner to modify the name, symbol, and royalties of the contract
  */
  function editContract (address receiver, uint96 feeNumerator, string memory _name, string memory _symbol) external onlyOwner {
    _setDefaultRoyalty(receiver, feeNumerator);
    name = _name;
    symbol = _symbol;
  }

  /*
  * @dev see {ILayerrVariables}
  */
  function viewWithdraw() public view returns (address returnWallet) {
    returnWallet = ILayerrVariables(LayerrXYZ).viewWithdraw();
  }

  /*
  * @dev: see {ILayerrVariables}
  */
  function viewFee() public view returns (uint returnFee) {
    returnFee = ILayerrVariables(LayerrXYZ).viewFee(address(this));
  }

  /*
  * @dev: see {ILayerrVariables}
  */
  function viewFlatFee() public view returns (uint returnFee) {
    returnFee = ILayerrVariables(LayerrXYZ).viewFlatFee(address(this));
  }

  /*
  * @dev: withdraws all of layerr's funds
  * creator funds are distributed at the time of mint
  */
  function withdraw() public {
    require(msg.sender == owner || msg.sender == viewWithdraw(), "Not owner or Layerr");
    require(msg.sender == tx.origin, "Cannot withdraw from a contract");

    payable(viewWithdraw()).transfer(address(this).balance);
  }

  /*
  * OPENSEA OVERRIDES
  */
  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 calldata data)
    public
    override
    onlyAllowedOperator(from)
  {
    super.safeTransferFrom(from, to, tokenId, amount, data);
  }

  function safeBatchTransferFrom(
    address from,
    address to,
    uint256[] calldata ids,
    uint256[] calldata amounts,
    bytes calldata data
  ) public virtual override onlyAllowedOperator(from) {
    super.safeBatchTransferFrom(from, to, ids, amounts, data);
  }

  function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155, ERC2981) returns (bool) {
    return 
      ERC1155.supportsInterface(interfaceId) ||
      ERC2981.supportsInterface(interfaceId);
  }
}

File 2 of 13 : ILayerrVariables.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

interface ILayerrVariables {

  /* 
  * @dev returns the address of the layerr payout wallet
  */
  function viewWithdraw() view external returns(address);

  /**
  * @dev returns the address of the layerr signer wallet
  */
  function viewSigner() view external returns(address);

  /**
  * @dev returns the percentage fee paid by creators to layerr
  *     if a specific fee is set for the creator, that is returned
  *     otherwise the default fee is returned
  *     50 = 5%
  *     25 = 2.5%
  */
  function viewFee(address _address) view external returns(uint);

  /* @dev returns the flat fee paid by minters to layerr
  *     if a specific fee is set for the creator, that is returned
  *     otherwise the default fee is returned
  */
  function viewFlatFee(address _address) view external returns(uint);
}

File 3 of 13 : ILayerrToken.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

interface ILayerrToken {
  /**
  * @dev initializes the proxy contract
  * @param data: the data to be passed to the proxy contract is abi encoded
  * @param _LayerrXYZ: the address of the LayerrVariables contract
  */
  function initialize(
    bytes calldata data,
    address _LayerrXYZ
  ) external;
}

File 4 of 13 : ERC1155.sol
// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Minimalist and gas efficient standard ERC1155 implementation.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event TransferSingle(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 id,
        uint256 amount
    );

    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] amounts
    );

    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    event URI(string value, uint256 indexed id);

    /*//////////////////////////////////////////////////////////////
                             ERC1155 STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(address => mapping(uint256 => uint256)) public balanceOf;

    mapping(address => mapping(address => bool)) public isApprovedForAll;

    /*//////////////////////////////////////////////////////////////
                             METADATA LOGIC
    //////////////////////////////////////////////////////////////*/

    function uri(uint256 id) public view virtual returns (string memory);

    /*//////////////////////////////////////////////////////////////
                              ERC1155 LOGIC
    //////////////////////////////////////////////////////////////*/

    function setApprovalForAll(address operator, bool approved) public virtual {
        isApprovedForAll[msg.sender][operator] = approved;

        emit ApprovalForAll(msg.sender, operator, approved);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) public virtual {
        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        balanceOf[from][id] -= amount;
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, from, to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) public virtual {
        require(ids.length == amounts.length, "LENGTH_MISMATCH");

        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        // Storing these outside the loop saves ~15 gas per iteration.
        uint256 id;
        uint256 amount;

        for (uint256 i = 0; i < ids.length; ) {
            id = ids[i];
            amount = amounts[i];

            balanceOf[from][id] -= amount;
            balanceOf[to][id] += amount;

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
        public
        view
        virtual
        returns (uint256[] memory balances)
    {
        require(owners.length == ids.length, "LENGTH_MISMATCH");

        balances = new uint256[](owners.length);

        // Unchecked because the only math done is incrementing
        // the array index counter which cannot possibly overflow.
        unchecked {
            for (uint256 i = 0; i < owners.length; ++i) {
                balances[i] = balanceOf[owners[i]][ids[i]];
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                              ERC165 LOGIC
    //////////////////////////////////////////////////////////////*/

    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return
            interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
            interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
            interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, address(0), to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchMint(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[to][ids[i]] += amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, address(0), to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchBurn(
        address from,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[from][ids[i]] -= amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, address(0), ids, amounts);
    }

    function _burn(
        address from,
        uint256 id,
        uint256 amount
    ) internal virtual {
        balanceOf[from][id] -= amount;

        emit TransferSingle(msg.sender, from, address(0), id, amount);
    }
}

/// @notice A generic interface for a contract which properly accepts ERC1155 tokens.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155TokenReceiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
    }
}

File 5 of 13 : OperatorFilterer.sol
// 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);
            }
        }
    }
}

File 6 of 13 : IOperatorFilterRegistry.sol
// 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);
}

File 7 of 13 : DefaultOperatorFilterer.sol
// 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) {}
}

File 8 of 13 : IERC165.sol
// 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);
}

File 9 of 13 : ERC165.sol
// 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;
    }
}

File 10 of 13 : Address.sol
// 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);
        }
    }
}

File 11 of 13 : ERC2981.sol
// 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];
    }
}

File 12 of 13 : Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/Address.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

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

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized < type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Internal function that returns the initialized version. Returns `_initialized`
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Internal function that returns the initialized version. Returns `_initializing`
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

File 13 of 13 : IERC2981.sol
// 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);
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 1500
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract ABI

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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.