Contract 0xb384feC089952A8781Ab3A6E88C42e42F88d53C0 1

 
 
Txn Hash
Method
Block
From
To
Value
0xb09ce3db2d5a5d4051875f8882038a9dda8c3964ee192b5ba897c451bed4c19fSet Approval For...160109682022-11-20 11:36:119 days 20 hrs ago0x6c2819a171b6f10eac51dcdd48725c015d29dd0f IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00058746 24.14668063
0xb82feba3d8909e6e587520cf4b3410e0d241c6a1bacdd1e90cc2f510dcee7842Set Approval For...158294982022-10-26 3:16:2335 days 4 hrs ago0x6c2819a171b6f10eac51dcdd48725c015d29dd0f IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00054215 11.72462218
0xf9dffc0937274dfa45141e9981693159d91664a435f216046fbf2d9bf3cbb46eSafe Transfer Fr...156795602022-10-05 4:36:1156 days 3 hrs ago0x20b39e410043bc90a3345a26e84d2d1e7559037c IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00097582 14.13126032
0x40479ee9c9ff40d42014e9457a70cd47540f003121f555dcd915e88fa4c04f88Set Approval For...155518872022-09-17 7:41:4774 days 33 mins ago0xae7b0174209c245cb832a72a2561ee2235c38e67 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00026625 5.76844431
0x86a50f248804af337923f07eefca558cb4074a6005ca95537486a226ba8a042cSet Approval For...151899932022-07-22 3:23:21131 days 4 hrs ago0x586f93897ae9382e54cc1d0bc67b29464e718f08 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00059562 12.88094919
0x3fa3c8501b87633fc3ceceff687e5c8d07729199b239538142a5c8c570cec6c7Withdraw150947882022-07-07 9:53:43145 days 22 hrs ago0x18f9f89986c3674d8bd94156c8bf031c80395d3a IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00042449 12.94076645
0xf4321dbe08782805c7d7729f06e69cccc201fdbf2ec251333020d31325bdbe2eSet Approval For...150793492022-07-05 0:45:27148 days 7 hrs agoENS Name likejiang.eth IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00032335 13.29089588
0xfe5e2bfd38c57b2fb235e5a86d77aff87021bd9ebd1a9f9076869ddfdf50704aSet Approval For...149436292022-06-11 9:56:11171 days 22 hrs agoENS Name millanovo.eth IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.0010588 22.90345916
0x87201c2c63979aad86a097a13005f486e92c2f133cd43977a34679e7c581981cSet Approval For...149173762022-06-06 22:25:59176 days 9 hrs ago0x9b5086dc729302a5014b73bb56f0a9f1e2176dd8 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00233661 50.53122238
0xb4ec64b836776a8e33914c834e97a92eb8a716282056aafb7eecfd9c2e2bcba3Set Approval For...149126542022-06-06 3:07:53177 days 5 hrs ago0x2d9980158a910219550027adc0b001b347869a06 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00099846 41.04028751
0x32a5102f6a94c82af46836c16316a55c79f5953c61bde8e07047bba422476f0eSet Approval For...149126542022-06-06 3:07:53177 days 5 hrs ago0x2d9980158a910219550027adc0b001b347869a06 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00108054 41.04028751
0x65fafa6cd69ce0a5d7073c54d58b1c1cd1f9d194d16e080c2d164059943d8dddSet Approval For...149126512022-06-06 3:06:46177 days 5 hrs ago0x2d9980158a910219550027adc0b001b347869a06 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00083678 34.39434679
0x26074140039e009e5f59368feab7733061394672d6c812a90816da6b49d7aa3cSet Approval For...149079792022-06-05 8:06:49178 days 8 mins ago0x5d9614b3fedaecc755f5a5c3719e273a63a09dd3 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00173006 37.42389533
0x0d58fac48bfbacc38e91ad6e171cf1c1a291e8a30899965a41cb779d7211eb54Set Approval For...148986322022-06-03 18:26:25179 days 13 hrs ago0x8cb7466a48f74c7282be700fc179dc533380fd6a IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00268015 57.96058198
0xda6a428e95a674b5860ba826e384fa5656f20dac951be2fcdd9304a22bf40e77Set Approval For...148949882022-06-03 4:01:46180 days 4 hrs agoENS Name architek.eth IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00347703 75.19367082
0x96493052f6ec389884fa1d496640d9328153dbb349de32d9fdc1773a92709997Set Approval For...148936402022-06-02 22:46:37180 days 9 hrs ago0x2d9980158a910219550027adc0b001b347869a06 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00259433 56.10456135
0xdf1e892d72764842c7fe5b678657c8d5f9c75b7d00d90076eba0452f68647936Set Approval For...148918572022-06-02 15:43:36180 days 16 hrs ago0x2a234525fab2b6f63e4af0860cb87fbd93ae3da0 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00270995 58.60508251
0xc09ad7ace967de4665e81d8bd2487541df16a1e5f0fe2b56938628a3b3c1b6aeMint148868362022-06-01 20:22:39181 days 11 hrs ago0x7df4496e6ad8e558c1bf6eac513e0d76b2b564d7 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00254614 84.273
0x0a8f20df8ad80b0ff7a8e4b44c20eac6a7a376cb9d9b915f8112731dee8ea47cMint148868362022-06-01 20:22:39181 days 11 hrs ago0x7df4496e6ad8e558c1bf6eac513e0d76b2b564d7 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00244 80.76
0xf8363af6d9b69fb95e797f8c39ec3fd1d122c7d660cde0a9a82bd9f63612168cMint148867202022-06-01 19:55:54181 days 12 hrs ago0x58e05de29f23805fbe34d435a49e17ad325ab1d2 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00254614 84.273
0xb50f5a27a886e5bdfc697932ccd28d544718263bab31790d2500e3453f898883Mint148860422022-06-01 17:20:01181 days 14 hrs ago0x58e05de29f23805fbe34d435a49e17ad325ab1d2 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00244 80.76
0x2d7499b07e40c3d6bd2ef57cb69862c69116b3be50a11d660138d97274c31401Transfer From148856682022-06-01 15:49:00181 days 16 hrs ago0x361166d975ad39cf706f9e4bcf0556391f96b888 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00131341 52.53664108
0xe07235e5c8568c3236842f612ab6160c8f8531788ddcfd3f7671f547db25c39dTransfer From148856472022-06-01 15:44:28181 days 16 hrs ago0x361166d975ad39cf706f9e4bcf0556391f96b888 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00728598 62.94917036
0xefa985ffeea10d7f43c602565db5b2f7fa74cf50244519cd1535831b134ed858Mint148854172022-06-01 14:48:08181 days 17 hrs ago0x7df4496e6ad8e558c1bf6eac513e0d76b2b564d7 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00254614 84.273
0x511ba1da1ebbd5d94be81dab0e01b8cc8df40713a73781918b5779d3305314aeMint148846862022-06-01 12:06:57181 days 20 hrs ago0x7df4496e6ad8e558c1bf6eac513e0d76b2b564d7 IN  0xb384fec089952a8781ab3a6e88c42e42f88d53c00 Ether0.00244 80.76
[ Download CSV Export 
Latest 1 internal transaction
Parent Txn Hash Block From To Value
0x3fa3c8501b87633fc3ceceff687e5c8d07729199b239538142a5c8c570cec6c7150947882022-07-07 9:53:43145 days 22 hrs ago 0xb384fec089952a8781ab3a6e88c42e42f88d53c00x18f9f89986c3674d8bd94156c8bf031c80395d3a0.9508 Ether
[ Download CSV Export 
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
WWC

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 13 : WWC.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.8.9 <0.9.0;

import 'erc721a/contracts/ERC721A.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/utils/cryptography/MerkleProof.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';

contract WWC is ERC721A, Ownable, ReentrancyGuard {

  using Strings for uint256;

  bytes32 public merkleRoot;
  mapping(address => bool) public whitelistClaimed;

  string public uriPrefix = '';
  string public uriSuffix = '.json';
  string public hiddenMetadataUri;
  
  uint256 public cost;
  uint256 public maxSupply;
  uint256 public maxMintAmountPerTx;

  bool public paused = true;
  bool public whitelistMintEnabled = false;
  bool public revealed = false;

  constructor(
    string memory _tokenName,
    string memory _tokenSymbol,
    uint256 _cost,
    uint256 _maxSupply,
    uint256 _maxMintAmountPerTx,
    string memory _hiddenMetadataUri
  ) ERC721A(_tokenName, _tokenSymbol) {
    setCost(_cost);
    maxSupply = _maxSupply;
    setMaxMintAmountPerTx(_maxMintAmountPerTx);
    setHiddenMetadataUri(_hiddenMetadataUri);
  }

  modifier mintCompliance(uint256 _mintAmount) {
    require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, 'Invalid mint amount!');
    require(totalSupply() + _mintAmount <= maxSupply, 'Max supply exceeded!');
    _;
  }

  modifier mintPriceCompliance(uint256 _mintAmount) {
    require(msg.value >= cost * _mintAmount, 'Insufficient funds!');
    _;
  }

  function whitelistMint(uint256 _mintAmount, bytes32[] calldata _merkleProof) public payable mintCompliance(_mintAmount) mintPriceCompliance(_mintAmount) {
    // Verify whitelist requirements
    require(whitelistMintEnabled, 'The whitelist sale is not enabled!');
    require(!whitelistClaimed[_msgSender()], 'Address already claimed!');
    bytes32 leaf = keccak256(abi.encodePacked(_msgSender()));
    require(MerkleProof.verify(_merkleProof, merkleRoot, leaf), 'Invalid proof!');

    whitelistClaimed[_msgSender()] = true;
    _safeMint(_msgSender(), _mintAmount);
  }

  function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) mintPriceCompliance(_mintAmount) {
    require(!paused, 'The contract is paused!');

    _safeMint(_msgSender(), _mintAmount);
  }
  
  function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner {
    _safeMint(_receiver, _mintAmount);
  }

  function walletOfOwner(address _owner) public view returns (uint256[] memory) {
    uint256 ownerTokenCount = balanceOf(_owner);
    uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount);
    uint256 currentTokenId = _startTokenId();
    uint256 ownedTokenIndex = 0;
    address latestOwnerAddress;

    while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) {
      TokenOwnership memory ownership = _ownerships[currentTokenId];

      if (!ownership.burned && ownership.addr != address(0)) {
        latestOwnerAddress = ownership.addr;
      }

      if (latestOwnerAddress == _owner) {
        ownedTokenIds[ownedTokenIndex] = currentTokenId;

        ownedTokenIndex++;
      }

      currentTokenId++;
    }

    return ownedTokenIds;
  }

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

  function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) {
    require(_exists(_tokenId), 'ERC721Metadata: URI query for nonexistent token');

    if (revealed == false) {
      return hiddenMetadataUri;
    }

    string memory currentBaseURI = _baseURI();
    return bytes(currentBaseURI).length > 0
        ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix))
        : '';
  }

  function setRevealed(bool _state) public onlyOwner {
    revealed = _state;
  }

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

  function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner {
    maxMintAmountPerTx = _maxMintAmountPerTx;
  }

  function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner {
    hiddenMetadataUri = _hiddenMetadataUri;
  }

  function setUriPrefix(string memory _uriPrefix) public onlyOwner {
    uriPrefix = _uriPrefix;
  }

  function setUriSuffix(string memory _uriSuffix) public onlyOwner {
    uriSuffix = _uriSuffix;
  }

  function setPaused(bool _state) public onlyOwner {
    paused = _state;
  }

  function setMerkleRoot(bytes32 _merkleRoot) public onlyOwner {
    merkleRoot = _merkleRoot;
  }

  function setWhitelistMintEnabled(bool _state) public onlyOwner {
    whitelistMintEnabled = _state;
  }

  function withdraw() public onlyOwner nonReentrant {

    // This will transfer the remaining contract balance to the owner.
    // Do not remove this otherwise you will not be able to withdraw the funds.
    // =============================================================================
    (bool os, ) = payable(owner()).call{value: address(this).balance}('');
    require(os);
    // =============================================================================
  }

  function _baseURI() internal view virtual override returns (string memory) {
    return uriPrefix;
  }
}

File 2 of 13 : ERC721A.sol
// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _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 _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

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

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

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

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

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

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

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

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

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

    /**
     * Sets the auxillary 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 {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    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, tokenId.toString())) : '';
    }

    /**
     * @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, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

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

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSender()) revert ApproveToCaller();

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @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 (`_mint`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return _startTokenId() <= tokenId && tokenId < _currentIndex &&
            !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, 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.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @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.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

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

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // 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 {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

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

    /**
     * @dev This is 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 {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

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

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // 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 {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

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

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

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        address owner
    ) private {
        _tokenApprovals[tokenId] = to;
        emit Approval(owner, to, tokenId);
    }

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

    /**
     * @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 {}
}

File 3 of 13 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 4 of 13 : MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = _efficientHash(computedHash, proofElement);
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = _efficientHash(proofElement, computedHash);
            }
        }
        return computedHash;
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

File 5 of 13 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

File 6 of 13 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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
    ) external;

    /**
     * @dev Transfers `tokenId` token 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;

    /**
     * @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;

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

    /**
     * @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 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);

    /**
     * @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 calldata data
    ) external;
}

File 7 of 13 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 8 of 13 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @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);
}

File 9 of 13 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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 functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

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

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 10 of 13 : 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;
    }
}

File 11 of 13 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 12 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 13 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);
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"_tokenName","type":"string"},{"internalType":"string","name":"_tokenSymbol","type":"string"},{"internalType":"uint256","name":"_cost","type":"uint256"},{"internalType":"uint256","name":"_maxSupply","type":"uint256"},{"internalType":"uint256","name":"_maxMintAmountPerTx","type":"uint256"},{"internalType":"string","name":"_hiddenMetadataUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","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":"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"hiddenMetadataUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":"maxMintAmountPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"mintForAddress","outputs":[],"stateMutability":"nonpayable","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":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"nonpayable","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":"nonpayable","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":"_cost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_hiddenMetadataUri","type":"string"}],"name":"setHiddenMetadataUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxMintAmountPerTx","type":"uint256"}],"name":"setMaxMintAmountPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setRevealed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriPrefix","type":"string"}],"name":"setUriPrefix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uriSuffix","type":"string"}],"name":"setUriSuffix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setWhitelistMintEnabled","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":[],"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uriPrefix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uriSuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelistClaimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"whitelistMintEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

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

00000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000b1a2bc2ec500000000000000000000000000000000000000000000000000000000000000002710000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000000e576f6d656e5761676d69436c7562000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000357574300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041697066733a2f2f516d6265675155664269357570555759696f7467635a625877796a447047624638794a62536667505932656778352f68696464656e2e6a736f6e00000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _tokenName (string): WomenWagmiClub
Arg [1] : _tokenSymbol (string): WWC
Arg [2] : _cost (uint256): 50000000000000000
Arg [3] : _maxSupply (uint256): 10000
Arg [4] : _maxMintAmountPerTx (uint256): 10
Arg [5] : _hiddenMetadataUri (string): ipfs://QmbegQUfBi5upUWYiotgcZbXwyjDpGbF8yJbSfgPY2egx5/hidden.json

-----Encoded View---------------
14 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [2] : 00000000000000000000000000000000000000000000000000b1a2bc2ec50000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000002710
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [6] : 000000000000000000000000000000000000000000000000000000000000000e
Arg [7] : 576f6d656e5761676d69436c7562000000000000000000000000000000000000
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [9] : 5757430000000000000000000000000000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000041
Arg [11] : 697066733a2f2f516d6265675155664269357570555759696f7467635a625877
Arg [12] : 796a447047624638794a62536667505932656778352f68696464656e2e6a736f
Arg [13] : 6e00000000000000000000000000000000000000000000000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.