Contract 0x6063599aa5d7366e1b7da086ae39a473f98e36f2

 

Contract Overview

Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x51be07ff970dfe3822e61f394d735bc012d7727a36c8a45b2f935104949a2872Safe Transfer Fr...277971822022-05-01 13:35:4022 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00276981931
0xadb49fcfb1964e296c0f4829926b6eec06e0f6db809f4ee9ed1daa1917340f35Safe Transfer Fr...277971702022-05-01 13:35:1622 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0xb96c5e4790d8f09b0f1db61c93146908a4f8e4241ccc059bcbc6ab067ab75e85Safe Transfer Fr...277971592022-05-01 13:34:5422 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x59a8f09cac1407a682fdd4277d336fd61614cd4957438f36b08cb6e887e331c3Safe Transfer Fr...277971462022-05-01 13:34:2822 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x8b418ce92e73d3d045c08b9f6c563326aef6f1c6a43162afb85fe3fae2a069c1Safe Transfer Fr...277971352022-05-01 13:34:0622 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xfc90a3e2e08355c0d40ea6a2d08070dc7febc829fa83bdb45aba20d7f4380744Safe Transfer Fr...277971222022-05-01 13:33:4022 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0xc6e2e410f5776342ebeefc89a03e06408707bc42fab273f4a99e542556e0913aSafe Transfer Fr...277971142022-05-01 13:33:2022 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00238851931
0x711734b907e3b89c4de1c924bdcc4d385c4488593f4749adac304c3f46880581Safe Transfer Fr...277971032022-05-01 13:32:5822 days 21 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x0a6cee8cf2c7be7a288d02703fb68170dd7b6c5e2d71278c3608c767c87b6d8eSafe Transfer Fr...277970912022-05-01 13:32:3422 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xeda4b2dbb1d925fde7c2cd1d7980ad01838f1beb4f80b8d80127de7be93d1027Safe Transfer Fr...277970812022-05-01 13:32:1422 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0xc928f29cc2c80cd5df6d8a2f0ef43ca5fa9dca2e57d941f23b4e1a03e6784649Safe Transfer Fr...277970682022-05-01 13:31:4822 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xc4a454abdf3392260bfbef49dc6350b7dc5364694cb568a6ace69a55f154514cSafe Transfer Fr...277970562022-05-01 13:31:2422 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0x7a54a9fc2e65428030fffea8486dd7cbd3dc26553591f136beac911e9ca8927dSafe Transfer Fr...277966082022-05-01 13:13:5222 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xecaa9297da318aac7109a6b086c4a6ffa3c660ed421cdfff8a2d2ad1a2381233Safe Transfer Fr...277965952022-05-01 13:13:2222 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0x79484d7ebc57b0e24d198bab18a38d7d246b14b1e8e3e70c89abffb10ccefea6Safe Transfer Fr...277965822022-05-01 13:12:5622 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x66430124f7004fc7914c3eaef7863afb84fa9f189b2f02c2839b94abc8b811b1Safe Transfer Fr...277965712022-05-01 13:12:3422 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x7785e9c33d583ace631929d8c8146845fcac0ab7550a119a4cc1c612efa4df41Safe Transfer Fr...277965592022-05-01 13:12:1022 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xc3684781784dd37f89de64d637c8607b92a34e6bb53b51a5d5fe57c0bcb657e1Safe Transfer Fr...277965482022-05-01 13:11:4822 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.0026248751830.052496251
0x6508aa3dc518d92c62d98aaa38752e77c91b6f1a54f4f28827b06a9a18bebbfaSafe Transfer Fr...277965392022-05-01 13:11:2622 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xa58de1bcbb39f49fac4b44870af35b8c645cb161d3328c716d1cf3b76a9b9fe9Safe Transfer Fr...277965272022-05-01 13:11:0222 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0xa145cf4ca7b9e9a7b29e59ac04975123c175081ed7851e739592ce58b1056cd7Safe Transfer Fr...277965162022-05-01 13:10:4022 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x8b00cc8a3085377dde0f45758541854ad962c7b3f26ab23d791fe69b91e9c483Safe Transfer Fr...277965052022-05-01 13:10:1822 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00308893331
0x310b8d3e5bcdbbaae00f9d0253842a90f23e578c1550fc7266063faf120ad692Safe Transfer Fr...277963342022-05-01 13:04:2422 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x9cfa9095de426ceb89572fc435633fa295b2e43ea0e763a67bd6ed0964327ae9Safe Transfer Fr...277963232022-05-01 13:04:0222 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
0x7daff92a88ffc659762e09805056b9784b801dacecb7608b2a1a57466f496182Safe Transfer Fr...277963122022-05-01 13:03:4022 days 22 hrs ago0x6df8e8a5f01800e289c99e8566325716e631f03f IN  0x6063599aa5d7366e1b7da086ae39a473f98e36f20 MATIC0.00270763331
[ Download CSV Export 
Parent Txn Hash Block From To Value
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
CREEPLINGS

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 14 : creeplings.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.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/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";


//      www.RobotDishWasher.com
//  ________      ______       _____     _____________       ______ ___       __             ______              
//  ___  __ \________  /_________  /_    ___  __ \__(_)_________  /___ |     / /_____ __________  /______________
//  __  /_/ /  __ \_  __ \  __ \  __/    __  / / /_  /__  ___/_  __ \_ | /| / /_  __ `/_  ___/_  __ \  _ \_  ___/
//  _  _, _// /_/ /  /_/ / /_/ / /_      _  /_/ /_  / _(__  )_  / / /_ |/ |/ / / /_/ /_(__  )_  / / /  __/  /    
//  /_/ |_| \____//_.___/\____/\__/      /_____/ /_/  /____/ /_/ /_/____/|__/  \__,_/ /____/ /_/ /_/\___//_/     
//                                                                                                             


contract CREEPLINGS is ERC721Enumerable, Ownable, ReentrancyGuard{
    using Strings for uint256;
    string public baseExtension = ".json";

    //5 NFT Max Purchase Per Transaction
    uint256 public constant SHADOWS_MAX_PURCHASE = 1;
    // Max supply of Minted NFTs #0-2499
    uint256 public constant SHADOWS_MAX_SUPPLY = 2500;
    uint256 public constant mintPrice = 0; //FREE MINT!!!!
    uint256 public numSHADOWSMinted;

    bool public mintIsOpen;

    string private baseURI = "https://arweave.net/TcjhE2lNKoXDJPnRFd22hume4ftwaAFX90nbyTtjbTI/";

    modifier whenMintIsOpen() {
        require(mintIsOpen, "Mint has not started yet");
        _;
    }

    constructor() ERC721("CREEPLINGS", "CREEPS") {
        numSHADOWSMinted = 0;
        mintIsOpen = false;
    }

    function openPublicMint()
        external
        onlyOwner
    {
        require(!mintIsOpen, "Minting is Already Open");
        mintIsOpen = true;
    }

    function stopPublicMint() external onlyOwner whenMintIsOpen {
        mintIsOpen = false;
    }

    function getMintPrice() public view returns (uint256) {          
            return mintPrice;
    }

    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        Address.sendValue(payable(owner()), balance);
    }


    function mintCREEPLING()
        external
        whenMintIsOpen
        nonReentrant
    {

        uint256 numToMint = 1;
        require(
            numSHADOWSMinted + 1 <= SHADOWS_MAX_SUPPLY,
            "Minting would exceed max supply"
        );

        require(
            numToMint <= SHADOWS_MAX_PURCHASE,
            "You can only mint 1 per tx"
        );

        uint256 holdings = balanceOf(msg.sender);
        require(holdings < 2, "You already Minted 2" );

        for (uint256 i = 0; i < numToMint; i++) {
            uint256 mintIndex = numSHADOWSMinted;
            if (numSHADOWSMinted < SHADOWS_MAX_SUPPLY) {
                numSHADOWSMinted++;
                _safeMint(msg.sender, mintIndex);
            }
        }
    }


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

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

        string memory base = _baseURI();
        return bytes(base).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString(),baseExtension)) : "";
    }

    function setBaseURI(string memory uri) external onlyOwner {
        baseURI = uri;
    }

  /**
   * Override isApprovedForAll to auto-approve OS's proxy contract
   */
    function isApprovedForAll(
        address _owner,
        address _operator
    ) public override view returns (bool isOperator) {
      // if OpenSea's ERC721 Proxy Address is detected, auto-return true
        if (_operator == address(0x58807baD0B376efc12F5AD86aAc70E78ed67deaE)) {
            return true;
        }
        
        // otherwise, use the default ERC721.isApprovedForAll()
        return ERC721.isApprovedForAll(_owner, _operator);
    }
}

File 2 of 14 : ERC721.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // 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;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @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 virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @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) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        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 virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _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 {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _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 {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @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.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @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`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * 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
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a 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 _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            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("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * 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, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 3 of 14 : IERC721.sol
// SPDX-License-Identifier: MIT

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 4 of 14 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * 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, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

File 5 of 14 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

File 6 of 14 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT

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 7 of 14 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT

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 8 of 14 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

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

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

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

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

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

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

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

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

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

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

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private 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 9 of 14 : Ownable.sol
// SPDX-License-Identifier: MIT

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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 10 of 14 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

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 make 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 11 of 14 : Context.sol
// SPDX-License-Identifier: MIT

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 12 of 14 : Strings.sol
// SPDX-License-Identifier: MIT

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 13 of 14 : ERC165.sol
// SPDX-License-Identifier: MIT

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 14 of 14 : IERC165.sol
// SPDX-License-Identifier: MIT

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":[],"stateMutability":"nonpayable","type":"constructor"},{"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":[],"name":"SHADOWS_MAX_PURCHASE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SHADOWS_MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"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":"baseExtension","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"getMintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"isOperator","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintCREEPLING","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintIsOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numSHADOWSMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"openPublicMint","outputs":[],"stateMutability":"nonpayable","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":"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":"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":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stopPublicMint","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":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
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.