Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

//SPDX-License-Identifier: Unlicense

//
//        _______  ___   __   __  _______    __   __  _______  ______    __   __  _______  ___   ______   _______
//        |       ||   | |  |_|  ||       |  |  |_|  ||       ||    _ |  |  |_|  ||   _   ||   | |      | |       |
//        |  _____||   | |       ||    _  |  |       ||    ___||   | ||  |       ||  |_|  ||   | |  _    ||  _____|
//        | |_____ |   | |       ||   |_| |  |       ||   |___ |   |_||_ |       ||       ||   | | | |   || |_____
//        |_____  ||   | |       ||    ___|  |       ||    ___||    __  ||       ||       ||   | | |_|   ||_____  |
//         _____| ||   | | ||_|| ||   |      | ||_|| ||   |___ |   |  | || ||_|| ||   _   ||   | |       | _____| |
//        |_______||___| |_|   |_||___|      |_|   |_||_______||___|  |_||_|   |_||__| |__||___| |______| |_______|
//

// @title: Simp Mermaids
// @author: Simp Mermaids Team

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Pausable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract SimpMermaids is ERC721Enumerable, Ownable, ERC721Burnable, ERC721Pausable {

    using SafeMath for uint256;
    using Counters for Counters.Counter;

    Counters.Counter private _tokenIdTracker;
    bool private presale;
    bool private sale;

    uint256 public constant MAX_ITEMS = 9969;
    uint256 public constant MAX_PRESALE_ITEMS = 2150;
    uint256 public constant MAX_RESERVE = 150;
    uint256 public constant PRICE = 9E16; // 0.09 ETH
    uint256 public constant RENAME_PRICE = 1E16; // 0.01 ETH
    uint256 public constant MAX_MINT = 20;
    uint256 public constant MAX_MINT_PRESALE = 10;
    address public constant PP_ADDRESS = 0xF27030ef0ace4dFEE90f45C2Ac6210Bcf53bA7B4;
    address public constant DD_ADDRESS = 0x6f095133E814200fcf06bC185569544249Bd1713;
    string public baseTokenURI;

    event CreateNft(uint256 indexed id);
    event AttributeChanged(uint256 indexed _tokenId, string _key, string _value);

    constructor(string memory baseURI) ERC721("SIMP MERMAIDS", "SIMPMERMAIDS") {
        setBaseURI(baseURI);
        pause(true);
        presale = false;
        sale = false;
    }

    modifier saleIsOpen {
        require(_totalSupply() <= MAX_ITEMS, "Sale ended");
        if (_msgSender() != owner()) {
            require(!paused(), "Pausable: paused");
        }
        _;
    }

    function _totalSupply() internal view returns (uint) {
        return _tokenIdTracker.current();
    }

    function totalMint() public view returns (uint256) {
        return _totalSupply();
    }

    function mintReserve(uint256 _count, address _to) public onlyOwner {
        uint256 total = _totalSupply();
        require(total <= MAX_ITEMS, "Sale ended");
        require(total + _count <= MAX_ITEMS, "Max limit");
        for (uint256 i = 0; i < _count; i++) {
            _mintAnElement(_to);
        }
    }

    function presaleMint(address _to, uint256 _count) public payable {
        uint256 total = _totalSupply();
        require(presale == true, "Presale has not yet started");
        require(total <= MAX_PRESALE_ITEMS, "Presale ended");
        require(total + _count <= MAX_PRESALE_ITEMS, "Max limit");
        require(_count <= MAX_MINT_PRESALE, "Exceeds number");
        require(msg.value >= price(_count), "Value below price");

        for (uint256 i = 0; i < _count; i++) {
            _mintAnElement(_to);
        }
    }

    function mint(address _to, uint256 _count) public payable saleIsOpen {
        uint256 total = _totalSupply();
        require(sale == true, "Sale has not yet started");
        require(total <= MAX_ITEMS, "Sale ended");
        require(total + _count <= MAX_ITEMS, "Max limit");
        require(_count <= MAX_MINT, "Exceeds number");
        require(msg.value >= price(_count), "Value below price");

        for (uint256 i = 0; i < _count; i++) {
            _mintAnElement(_to);
        }
    }

    function _mintAnElement(address _to) private {
        uint id = _totalSupply();
        _tokenIdTracker.increment();
        _safeMint(_to, id);
        emit CreateNft(id);
    }

    function price(uint256 _count) public pure returns (uint256) {
        return PRICE.mul(_count);
    }

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

    function setBaseURI(string memory baseURI) public onlyOwner {
        baseTokenURI = baseURI;
    }

    function walletOfOwner(address _owner) external view returns (uint256[] memory) {
        uint256 tokenCount = balanceOf(_owner);

        uint256[] memory tokenIds = new uint256[](tokenCount);
        for (uint256 i = 0; i < tokenCount; i++) {
            tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
        }

        return tokenIds;
    }

    function pause(bool val) public onlyOwner {
        if (val == true) {
            _pause();
            return;
        }
        _unpause();
    }

    function startPresale() public onlyOwner {
        presale = true;
    }

    function startSale() public onlyOwner {
        sale = true;
    }

    function changeAttribute(uint256 tokenId, string memory key, string memory value) public payable {
        address owner = ERC721.ownerOf(tokenId);
        require(_msgSender() == owner, "This is not your Nft.");

        uint256 amountPaid = msg.value;
        require(amountPaid == RENAME_PRICE, "There is a price for changing your attributes.");

        emit AttributeChanged(tokenId, key, value);
    }

    function withdrawAll() public payable onlyOwner {
        uint256 balance = address(this).balance;
        require(balance > 0);
        _widthdraw(DD_ADDRESS, balance.mul(40).div(100));
        _widthdraw(PP_ADDRESS, address(this).balance);
    }

    function _widthdraw(address _address, uint256 _amount) private {
        (bool success,) = _address.call{value : _amount}("");
        require(success, "Transfer failed.");
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override(ERC721, ERC721Enumerable, ERC721Pausable) {
        super._beforeTokenTransfer(from, to, tokenId);
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, ERC721Enumerable) returns (bool) {
        return super.supportsInterface(interfaceId);
    }
}

// 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 {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "../../../utils/Context.sol";

/**
 * @title ERC721 Burnable Token
 * @dev ERC721 Token that can be irreversibly burned (destroyed).
 */
abstract contract ERC721Burnable is Context, ERC721 {
    /**
     * @dev Burns `tokenId`. See {ERC721-_burn}.
     *
     * Requirements:
     *
     * - The caller must own `tokenId` or be an approved operator.
     */
    function burn(uint256 tokenId) public virtual {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
        _burn(tokenId);
    }
}

// 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();
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "../../../security/Pausable.sol";

/**
 * @dev ERC721 token with pausable token transfers, minting and burning.
 *
 * Useful for scenarios such as preventing trades until the end of an evaluation
 * period, or having an emergency switch for freezing all token transfers in the
 * event of a large bug.
 */
abstract contract ERC721Pausable is ERC721, Pausable {
    /**
     * @dev See {ERC721-_beforeTokenTransfer}.
     *
     * Requirements:
     *
     * - the contract must not be paused.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        require(!paused(), "ERC721Pausable: token transfer while paused");
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";

/**
 * @dev ERC721 token with storage based token URI management.
 */
abstract contract ERC721URIStorage is ERC721 {
    using Strings for uint256;

    // Optional mapping for token URIs
    mapping(uint256 => string) private _tokenURIs;

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = _baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }

        return super.tokenURI(tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @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 override {
        super._burn(tokenId);

        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }
    }
}

// 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);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// 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;
}

// 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);
}

// 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);
}

// 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);
            }
        }
    }
}

// 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;
    }
}

// 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);
    }
}

// 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;
    }
}

// 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);
}

// 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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"baseURI","type":"string"}],"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":"uint256","name":"_tokenId","type":"uint256"},{"indexed":false,"internalType":"string","name":"_key","type":"string"},{"indexed":false,"internalType":"string","name":"_value","type":"string"}],"name":"AttributeChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"CreateNft","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"DD_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_ITEMS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINT_PRESALE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_PRESALE_ITEMS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_RESERVE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PP_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RENAME_PRICE","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":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"key","type":"string"},{"internalType":"string","name":"value","type":"string"}],"name":"changeAttribute","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"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":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_count","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"mintReserve","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":[{"internalType":"bool","name":"val","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"presaleMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_count","type":"uint256"}],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","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":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startPresale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startSale","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":"totalMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"payable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002968747470733a2f2f6e66742e73696d706d65726d616964732e696f2f73696d706d65726d616964732f0000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : baseURI (string): https://nft.simpmermaids.io/simpmermaids/

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000029
Arg [2] : 68747470733a2f2f6e66742e73696d706d65726d616964732e696f2f73696d70
Arg [3] : 6d65726d616964732f0000000000000000000000000000000000000000000000