ETH Price: $3,450.43 (-0.87%)
Gas: 8 Gwei

Token

OnChainCheckGas (CHECKGAS)
 

Overview

Max Total Supply

1,870 CHECKGAS

Holders

360

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Balance
1 CHECKGAS
0xd0f8c15d35186fac68167e1ef93e2c702dc3e438
Loading...
Loading
Loading...
Loading
Loading...
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
OnchainCheckGas

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 10 : OnchainCheckGas.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.16;

import "erc721a/contracts/ERC721A.sol";
import "erc721a/contracts/extensions/ERC721AQueryable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./Compiler.sol";
import "./Base64.sol";
import "./IMetaDataURI.sol";

contract OnchainCheckGas is ERC721AQueryable, Ownable {
  uint256 public cost = 0.0042 ether;
  uint8 public maxMint = 20;
  bool public publicSaleActive = false; 
  uint256 private immutable MAX_MINT_GAS_PRICE = 1000000; // 1000 gwei mint would show all checks
  IMetaDataURI private immutable metaDataURI;
  IERC721A private immutable ownThisNftForFreeClaim;
  mapping(uint256 => bool) public claimed;

  constructor(
    address renderer,
    address freeClaimNft
  ) ERC721A("OnChainCheckGas", "CHECKGAS") {
    metaDataURI = IMetaDataURI(renderer);
    ownThisNftForFreeClaim = IERC721A(freeClaimNft);
  }

  function setMintActive(bool _newMintActive) public onlyOwner {
    publicSaleActive = _newMintActive;
  }

  function setCost(uint256 _newCost) public onlyOwner {
    cost = _newCost;
  }

  function claim(uint256[] calldata tokenIds) external {
    require(tokenIds.length > 0, "mint <= 0");
    for (uint256 i = 0; i < tokenIds.length; i++) {
      require(ownThisNftForFreeClaim.ownerOf(tokenIds[i]) == msg.sender, "Not owner of token");
      require(!claimed[tokenIds[i]], "Token already claimed");
      claimed[tokenIds[i]] = true;
    }
    _safeMint(msg.sender, tokenIds.length);
  }

  function claimAndMint(uint256[] calldata tokenIds, uint256 mintAmount) external payable {
    require(publicSaleActive, "disabled");
    require(
      _numberMinted(msg.sender) + mintAmount <= maxMint,
      "mint >= maxmint"
    );
    require(msg.value >= cost * mintAmount, "Not enough ETH");
    for (uint256 i = 0; i < tokenIds.length; i++) {
      require(ownThisNftForFreeClaim.ownerOf(tokenIds[i]) == msg.sender, "Not owner of token");
      require(!claimed[tokenIds[i]], "Token already claimed");
      claimed[tokenIds[i]] = true;
    }
    _safeMint(msg.sender, mintAmount + tokenIds.length);
  }

  function mint(address to, uint256 mintAmount) external payable {
    require(publicSaleActive, "disabled");
    require(mintAmount > 0, "mint <= 0");
    require(
      _numberMinted(msg.sender) + mintAmount <= maxMint,
      "mint >= maxmint"
    );
    require(msg.value >= cost * mintAmount, "Not enough ETH");
    _safeMint(to, mintAmount);
  }

  function gift(address to, uint256 mintAmount) external onlyOwner {
    require(mintAmount > 0, "mint <= 0");
    _safeMint(to, mintAmount);
  }

  function availableMint(address to) public view returns (uint256) {
    return maxMint - _numberMinted(to);
  }

  function tokenURI(uint256 tokenId)
    public
    view
    override(ERC721A, IERC721A)
    returns (string memory)
  {
    uint256 seed = getTokenSeed(tokenId);
    uint24 gasPrice = getGasPriceAtMint(tokenId);
    return metaDataURI.tokenURI(tokenId, seed, gasPrice);
  }

  function _startTokenId() internal pure override returns (uint256) {
    return 1;
  }

  function withdraw() external onlyOwner {
    payable(owner()).transfer(address(this).balance);
  }

  /**
   * @dev stores the gas price at mint and some entropy to create the batch seed
   * 20 bits for gas price, 4 bits for entropy
   */
  function _extraData(
    address from,
    address, /* to */
    uint24 previousExtraData
  ) internal view override returns (uint24) {
    if (from == address(0)) {
      uint24 gasPrice = uint24(block.basefee / 1000000);
      uint24 entropy = uint24(uint256(keccak256(abi.encodePacked(blockhash(block.number - 1)))) % 16);
      return gasPrice << 4 | entropy;
    }
    return previousExtraData;
  }

  function getGasPriceAtMint(uint256 tokenId) public view returns (uint24) {
    return _ownershipOf(tokenId).extraData >> 4;
  }

  function getTokenSeed(uint256 tokenId) public view returns (uint256) {
    uint24 batchSeed = _ownershipOf(tokenId).extraData;
    return uint256(keccak256(abi.encodePacked(batchSeed, tokenId)));
  }
}

File 2 of 10 : Compiler.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.16;


interface IDataChunk {
  function data() external view returns (string memory);
}

interface IDataChunkCompiler {
  function BEGIN_JSON() external view returns (string memory);

  function END_JSON() external view returns (string memory);

  function HTML_HEAD() external view returns (string memory);

  function BEGIN_SCRIPT() external view returns (string memory);

  function END_SCRIPT() external view returns (string memory);

  function BEGIN_SCRIPT_DATA() external view returns (string memory);

  function END_SCRIPT_DATA() external view returns (string memory);

  function BEGIN_SCRIPT_DATA_COMPRESSED() external view returns (string memory);

  function END_SCRIPT_DATA_COMPRESSED() external view returns (string memory);

  function SCRIPT_VAR(
    string memory name,
    string memory value,
    bool omitQuotes
  ) external pure returns (string memory);

  function BEGIN_METADATA_VAR(string memory name, bool omitQuotes)
    external
    pure
    returns (string memory);

  function END_METADATA_VAR(bool omitQuotes)
    external
    pure
    returns (string memory);

  function compile2(address chunk1, address chunk2)
    external
    view
    returns (string memory);

  function compile3(
    address chunk1,
    address chunk2,
    address chunk3
  ) external returns (string memory);

  function compile4(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4
  ) external view returns (string memory);

  function compile5(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4,
    address chunk5
  ) external view returns (string memory);

  function compile6(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4,
    address chunk5,
    address chunk6
  ) external view returns (string memory);

  function compile7(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4,
    address chunk5,
    address chunk6,
    address chunk7
  ) external view returns (string memory);

  function compile8(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4,
    address chunk5,
    address chunk6,
    address chunk7,
    address chunk8
  ) external view returns (string memory);

  function compile9(
    address chunk1,
    address chunk2,
    address chunk3,
    address chunk4,
    address chunk5,
    address chunk6,
    address chunk7,
    address chunk8,
    address chunk9
  ) external view returns (string memory);
}

File 3 of 10 : IMetaDataURI.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.16;

interface IMetaDataURI {
  function tokenURI(uint256 tokenId, uint256 seed, uint24 gasPrice)
    external
    view
    returns (string memory);
}

File 4 of 10 : Base64.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0;

/// @title Base64
/// @author Brecht Devos - <[email protected]>
/// @notice Provides functions for encoding/decoding base64
library Base64 {
    string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

    function encode(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';

        // load the table into memory
        string memory table = TABLE_ENCODE;

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        // add some extra buffer at the end required for the writing
        string memory result = new string(encodedLen + 32);

        assembly {
            // set the actual output length
            mstore(result, encodedLen)

            // prepare the lookup table
            let tablePtr := add(table, 1)

            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            // result ptr, jump over length
            let resultPtr := add(result, 32)

            // run over the input, 3 bytes at a time
            for {} lt(dataPtr, endPtr) {}
            {
                // read 3 bytes
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                // write 4 characters
                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(        input,  0x3F))))
                resultPtr := add(resultPtr, 1)
            }

            // padding with '='
            switch mod(mload(data), 3)
            case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
            case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) }
        }

        return result;
    }
}

File 5 of 10 : ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

    // Mapping from token ID to approved address.
    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

File 6 of 10 : ERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721AQueryable.sol';
import '../ERC721A.sol';

/**
 * @title ERC721AQueryable.
 *
 * @dev ERC721A subclass with convenience query functions.
 */
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
        TokenOwnership memory ownership;
        if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
            return ownership;
        }
        ownership = _ownershipAt(tokenId);
        if (ownership.burned) {
            return ownership;
        }
        return _ownershipOf(tokenId);
    }

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] calldata tokenIds)
        external
        view
        virtual
        override
        returns (TokenOwnership[] memory)
    {
        unchecked {
            uint256 tokenIdsLength = tokenIds.length;
            TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
            for (uint256 i; i != tokenIdsLength; ++i) {
                ownerships[i] = explicitOwnershipOf(tokenIds[i]);
            }
            return ownerships;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view virtual override returns (uint256[] memory) {
        unchecked {
            if (start >= stop) revert InvalidQueryRange();
            uint256 tokenIdsIdx;
            uint256 stopLimit = _nextTokenId();
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            // Set `stop = min(stop, stopLimit)`.
            if (stop > stopLimit) {
                stop = stopLimit;
            }
            uint256 tokenIdsMaxLength = balanceOf(owner);
            // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
            // to cater for cases where `balanceOf(owner)` is too big.
            if (start < stop) {
                uint256 rangeLength = stop - start;
                if (rangeLength < tokenIdsMaxLength) {
                    tokenIdsMaxLength = rangeLength;
                }
            } else {
                tokenIdsMaxLength = 0;
            }
            uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
            if (tokenIdsMaxLength == 0) {
                return tokenIds;
            }
            // We need to call `explicitOwnershipOf(start)`,
            // because the slot at `start` may not be initialized.
            TokenOwnership memory ownership = explicitOwnershipOf(start);
            address currOwnershipAddr;
            // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
            // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
            if (!ownership.burned) {
                currOwnershipAddr = ownership.addr;
            }
            for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            // Downsize the array to fit.
            assembly {
                mstore(tokenIds, tokenIdsIdx)
            }
            return tokenIds;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
        unchecked {
            uint256 tokenIdsIdx;
            address currOwnershipAddr;
            uint256 tokenIdsLength = balanceOf(owner);
            uint256[] memory tokenIds = new uint256[](tokenIdsLength);
            TokenOwnership memory ownership;
            for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            return tokenIds;
        }
    }
}

File 7 of 10 : Ownable.sol
// 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);
    }
}

File 8 of 10 : IERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables
     * (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`,
     * checking first that contract recipients are aware of the ERC721 protocol
     * to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move
     * this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom}
     * whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external payable;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

File 9 of 10 : IERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

/**
 * @dev Interface of ERC721AQueryable.
 */
interface IERC721AQueryable is IERC721A {
    /**
     * Invalid query range (`start` >= `stop`).
     */
    error InvalidQueryRange();

    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view returns (uint256[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view returns (uint256[] memory);
}

File 10 of 10 : Context.sol
// 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;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"renderer","type":"address"},{"internalType":"address","name":"freeClaimNft","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"availableMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"mintAmount","type":"uint256"}],"name":"claimAndMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"claimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getGasPriceAtMint","outputs":[{"internalType":"uint24","name":"","type":"uint24"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getTokenSeed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"mintAmount","type":"uint256"}],"name":"gift","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMint","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicSaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_newMintActive","type":"bool"}],"name":"setMintActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000007be91e16353f46ea18a63831dd2ec792092511ad00000000000000000000000025ec84abe25174650220b83841e0cfb39d8aab87

-----Decoded View---------------
Arg [0] : renderer (address): 0x7BE91e16353F46EA18a63831DD2EC792092511Ad
Arg [1] : freeClaimNft (address): 0x25Ec84aBe25174650220b83841E0cfB39D8Aab87

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000007be91e16353f46ea18a63831dd2ec792092511ad
Arg [1] : 00000000000000000000000025ec84abe25174650220b83841e0cfb39d8aab87


Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

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.