Token

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: MIT
pragma solidity 0.7.6;
pragma abicoder v2;

import '@openzeppelin/contracts/token/ERC721/ERC721.sol';
import '@openzeppelin/contracts/utils/Counters.sol';
import '../utils/AccessProtected.sol';

contract ApexaNFT is ERC721('Apex Athletes', 'AA'), AccessProtected {
	using Counters for Counters.Counter;
	using Strings for uint256;

	Counters.Counter private tokenIds;

	string private _baseURI;
	uint256 private _revealedTill;

	uint256 public cap;

	event SetCap(uint256 _cap);

	constructor(uint256 _cap) {
		setCap(_cap);
	}

	/**
	 * @notice - Mint NFT
	 * @dev - callable only by admin
	 *
	 * @param recipient - mint to
	 * @param URI - uri of the NFT
	 */
	function mint(address recipient, string memory URI) external onlyAdmin returns (uint256) {
		tokenIds.increment();
		uint256 newTokenId = tokenIds.current();
		require(newTokenId <= cap, 'NFT cap exceeded');

		_mint(recipient, newTokenId);
		_setTokenURI(newTokenId, URI);
		return newTokenId;
	}

	/**
	 * @notice - Set URI for token
	 * @dev - callable only by admin
	 *
	 * @param tokenId - Token ID of NFT
	 * @param _tokenURI - URI to set
	 */
	function setURI(uint256 tokenId, string memory _tokenURI) external onlyAdmin {
		_setTokenURI(tokenId, _tokenURI);
	}

	function setCap(uint256 _cap) public onlyOwner {
		cap = _cap;
		emit SetCap(_cap);
	}

	/**
	 * @notice - Set URI for token batch
	 * @dev - callable only by admin
	 *
	 * @param _tokenIds - Token IDs of NFTs
	 * @param tokenURIs - URIs to set
	 */
	function setBatchURI(uint256[] memory _tokenIds, string[] memory tokenURIs) external onlyAdmin {
		require(_tokenIds.length == tokenURIs.length, 'Length mismatch');
		for (uint256 i = 0; i < _tokenIds.length; i++) {
			_setTokenURI(_tokenIds[i], tokenURIs[i]);
		}
	}

	function baseURIForReveals() public view virtual returns (string memory) {
		return _baseURI;
	}

	function setBaseURI(string memory __baseURI) external onlyAdmin {
		_baseURI = __baseURI;
	}

	function setRevealedTill(uint256 __revealedTill) external onlyAdmin {
		_revealedTill = __revealedTill;
	}

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

		if (tokenId > _revealedTill || bytes(_baseURI).length == 0) {
			return super.tokenURI(tokenId);
		}
		return string(abi.encodePacked(_baseURI, tokenId.toString()));
	}

	function setTokenURIBatch(uint256[] memory _tokenIds, string[] memory tokenURIs) external onlyAdmin {
		require(_tokenIds.length == tokenURIs.length, 'Length mismatch');
		for (uint256 i = 0; i < _tokenIds.length; i++) {
			_setTokenURI(_tokenIds[i], tokenURIs[i]);
		}
	}
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../utils/Context.sol";
import "./IERC721.sol";
import "./IERC721Metadata.sol";
import "./IERC721Enumerable.sol";
import "./IERC721Receiver.sol";
import "../../introspection/ERC165.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
import "../../utils/EnumerableSet.sol";
import "../../utils/EnumerableMap.sol";
import "../../utils/Strings.sol";

/**
 * @title ERC721 Non-Fungible Token Standard basic implementation
 * @dev see https://eips.ethereum.org/EIPS/eip-721
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
    using SafeMath for uint256;
    using Address for address;
    using EnumerableSet for EnumerableSet.UintSet;
    using EnumerableMap for EnumerableMap.UintToAddressMap;
    using Strings for uint256;

    // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
    // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
    bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;

    // Mapping from holder address to their (enumerable) set of owned tokens
    mapping (address => EnumerableSet.UintSet) private _holderTokens;

    // Enumerable mapping from token ids to their owners
    EnumerableMap.UintToAddressMap private _tokenOwners;

    // 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;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

    // Base URI
    string private _baseURI;

    /*
     *     bytes4(keccak256('balanceOf(address)')) == 0x70a08231
     *     bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
     *     bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
     *     bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
     *     bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
     *     bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
     *     bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
     *     bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
     *
     *     => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
     *        0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
     */
    bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;

    /*
     *     bytes4(keccak256('name()')) == 0x06fdde03
     *     bytes4(keccak256('symbol()')) == 0x95d89b41
     *     bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
     *
     *     => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
     */
    bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;

    /*
     *     bytes4(keccak256('totalSupply()')) == 0x18160ddd
     *     bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
     *     bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
     *
     *     => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
     */
    bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;

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

        // register the supported interfaces to conform to ERC721 via ERC165
        _registerInterface(_INTERFACE_ID_ERC721);
        _registerInterface(_INTERFACE_ID_ERC721_METADATA);
        _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
    }

    /**
     * @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 _holderTokens[owner].length();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
    }

    /**
     * @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 _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));
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
    }

    /**
    * @dev Returns the base URI set via {_setBaseURI}. This will be
    * automatically added as a prefix in {tokenURI} to each token's URI, or
    * to the token ID if no specific URI is set for that token ID.
    */
    function baseURI() public view virtual returns (string memory) {
        return _baseURI;
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        return _holderTokens[owner].at(index);
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
        return _tokenOwners.length();
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        (uint256 tokenId, ) = _tokenOwners.at(index);
        return tokenId;
    }

    /**
     * @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 || ERC721.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 _tokenOwners.contains(tokenId);
    }

    /**
     * @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 || ERC721.isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     d*
     * - `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);

        _holderTokens[to].add(tokenId);

        _tokenOwners.set(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); // internal owner

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

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

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

        _holderTokens[owner].remove(tokenId);

        _tokenOwners.remove(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"); // internal owner
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _holderTokens[from].remove(tokenId);
        _holderTokens[to].add(tokenId);

        _tokenOwners.set(tokenId, to);

        emit Transfer(from, to, 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), "ERC721Metadata: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @dev Internal function to set the base URI for all token IDs. It is
     * automatically added as a prefix to the value returned in {tokenURI},
     * or to the token ID if {tokenURI} is empty.
     */
    function _setBaseURI(string memory baseURI_) internal virtual {
        _baseURI = baseURI_;
    }

    /**
     * @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()) {
            return true;
        }
        bytes memory returndata = to.functionCall(abi.encodeWithSelector(
            IERC721Receiver(to).onERC721Received.selector,
            _msgSender(),
            from,
            tokenId,
            _data
        ), "ERC721: transfer to non ERC721Receiver implementer");
        bytes4 retval = abi.decode(returndata, (bytes4));
        return (retval == _ERC721_RECEIVED);
    }

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

    /**
     * @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 { }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../math/SafeMath.sol";

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented or decremented by one. 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;`
 * Since it is not possible to overflow a 256 bit integer with increments of one, `increment` can skip the {SafeMath}
 * overflow check, thereby saving gas. This does assume however correct usage, in that the underlying `_value` is never
 * directly accessed.
 */
library Counters {
    using SafeMath for uint256;

    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 {
        // The {SafeMath} overflow check can be skipped here, see the comment at the top
        counter._value += 1;
    }

    function decrement(Counter storage counter) internal {
        counter._value = counter._value.sub(1);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Context.sol";

abstract contract AccessProtected is Context, Ownable {
    mapping(address => bool) internal _admins; // user address => admin? mapping

    event AdminAccessSet(address _admin, bool _enabled);

    /**
     * @notice Set Admin Access
     *
     * @param admin - Address of Admin
     * @param enabled - Enable/Disable Admin Access
     */
    function setAdmin(address admin, bool enabled) external onlyOwner {
        _admins[admin] = enabled;
        emit AdminAccessSet(admin, enabled);
    }

    /**
     * @notice Check Admin Access
     *
     * @param admin - Address of Admin
     * @return whether user has admin access
     */
    function isAdmin(address admin) public view returns (bool) {
        return _admins[admin];
    }

    /**
     * Throws if called by any account other than the Admin.
     */
    modifier onlyAdmin() {
        require(
            _admins[_msgSender()] || _msgSender() == owner(),
            "Caller does not have Admin Access"
        );
        _;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

import "../../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 >=0.6.2 <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 >=0.6.2 <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 >=0.6.0 <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 >=0.6.0 <0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts may inherit from this and call {_registerInterface} to declare
 * their support of an interface.
 */
abstract contract ERC165 is IERC165 {
    /*
     * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
     */
    bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;

    /**
     * @dev Mapping of interface ids to whether or not it's supported.
     */
    mapping(bytes4 => bool) private _supportedInterfaces;

    constructor () internal {
        // Derived contracts need only register support for their own interfaces,
        // we register support for ERC165 itself here
        _registerInterface(_INTERFACE_ID_ERC165);
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     *
     * Time complexity O(1), guaranteed to always use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return _supportedInterfaces[interfaceId];
    }

    /**
     * @dev Registers the contract as an implementer of the interface defined by
     * `interfaceId`. Support of the actual ERC165 interface is automatic and
     * registering its interface id is not required.
     *
     * See {IERC165-supportsInterface}.
     *
     * Requirements:
     *
     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
     */
    function _registerInterface(bytes4 interfaceId) internal virtual {
        require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
        _supportedInterfaces[interfaceId] = true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
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) {
        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) {
        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) {
        // 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) {
        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) {
        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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        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) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @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. 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) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b > 0, "SafeMath: modulo by zero");
        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) {
        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.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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) {
        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) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing an enumerable variant of Solidity's
 * https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
 * type.
 *
 * Maps have the following properties:
 *
 * - Entries are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Entries are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableMap for EnumerableMap.UintToAddressMap;
 *
 *     // Declare a set state variable
 *     EnumerableMap.UintToAddressMap private myMap;
 * }
 * ```
 *
 * As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
 * supported.
 */
library EnumerableMap {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Map type with
    // bytes32 keys and values.
    // The Map implementation uses private functions, and user-facing
    // implementations (such as Uint256ToAddressMap) are just wrappers around
    // the underlying Map.
    // This means that we can only create new EnumerableMaps for types that fit
    // in bytes32.

    struct MapEntry {
        bytes32 _key;
        bytes32 _value;
    }

    struct Map {
        // Storage of map keys and values
        MapEntry[] _entries;

        // Position of the entry defined by a key in the `entries` array, plus 1
        // because index 0 means a key is not in the map.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex == 0) { // Equivalent to !contains(map, key)
            map._entries.push(MapEntry({ _key: key, _value: value }));
            // The entry is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            map._indexes[key] = map._entries.length;
            return true;
        } else {
            map._entries[keyIndex - 1]._value = value;
            return false;
        }
    }

    /**
     * @dev Removes a key-value pair from a map. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function _remove(Map storage map, bytes32 key) private returns (bool) {
        // We read and store the key's index to prevent multiple reads from the same storage slot
        uint256 keyIndex = map._indexes[key];

        if (keyIndex != 0) { // Equivalent to contains(map, key)
            // To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
            // in the array, and then remove the last entry (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = keyIndex - 1;
            uint256 lastIndex = map._entries.length - 1;

            // When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            MapEntry storage lastEntry = map._entries[lastIndex];

            // Move the last entry to the index where the entry to delete is
            map._entries[toDeleteIndex] = lastEntry;
            // Update the index for the moved entry
            map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved entry was stored
            map._entries.pop();

            // Delete the index for the deleted slot
            delete map._indexes[key];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function _contains(Map storage map, bytes32 key) private view returns (bool) {
        return map._indexes[key] != 0;
    }

    /**
     * @dev Returns the number of key-value pairs in the map. O(1).
     */
    function _length(Map storage map) private view returns (uint256) {
        return map._entries.length;
    }

   /**
    * @dev Returns the key-value pair stored at position `index` in the map. O(1).
    *
    * Note that there are no guarantees on the ordering of entries inside the
    * array, and it may change when more entries are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
        require(map._entries.length > index, "EnumerableMap: index out of bounds");

        MapEntry storage entry = map._entries[index];
        return (entry._key, entry._value);
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     */
    function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
        uint256 keyIndex = map._indexes[key];
        if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
        return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function _get(Map storage map, bytes32 key) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    /**
     * @dev Same as {_get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {_tryGet}.
     */
    function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
        uint256 keyIndex = map._indexes[key];
        require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
        return map._entries[keyIndex - 1]._value; // All indexes are 1-based
    }

    // UintToAddressMap

    struct UintToAddressMap {
        Map _inner;
    }

    /**
     * @dev Adds a key-value pair to a map, or updates the value for an existing
     * key. O(1).
     *
     * Returns true if the key was added to the map, that is if it was not
     * already present.
     */
    function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
        return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the key was removed from the map, that is if it was present.
     */
    function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
        return _remove(map._inner, bytes32(key));
    }

    /**
     * @dev Returns true if the key is in the map. O(1).
     */
    function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
        return _contains(map._inner, bytes32(key));
    }

    /**
     * @dev Returns the number of elements in the map. O(1).
     */
    function length(UintToAddressMap storage map) internal view returns (uint256) {
        return _length(map._inner);
    }

   /**
    * @dev Returns the element stored at position `index` in the set. O(1).
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
        (bytes32 key, bytes32 value) = _at(map._inner, index);
        return (uint256(key), address(uint160(uint256(value))));
    }

    /**
     * @dev Tries to returns the value associated with `key`.  O(1).
     * Does not revert if `key` is not in the map.
     *
     * _Available since v3.4._
     */
    function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
        (bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
        return (success, address(uint160(uint256(value))));
    }

    /**
     * @dev Returns the value associated with `key`.  O(1).
     *
     * Requirements:
     *
     * - `key` must be in the map.
     */
    function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key)))));
    }

    /**
     * @dev Same as {get}, with a custom error message when `key` is not in the map.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryGet}.
     */
    function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
        return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    /**
     * @dev Converts a `uint256` to its ASCII `string` 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);
        uint256 index = digits - 1;
        temp = value;
        while (temp != 0) {
            buffer[index--] = bytes1(uint8(48 + temp % 10));
            temp /= 10;
        }
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 >=0.6.0 <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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), 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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"_cap","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_admin","type":"address"},{"indexed":false,"internalType":"bool","name":"_enabled","type":"bool"}],"name":"AdminAccessSet","type":"event"},{"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":false,"internalType":"uint256","name":"_cap","type":"uint256"}],"name":"SetCap","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURIForReveals","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"name":"isAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"recipient","type":"address"},{"internalType":"string","name":"URI","type":"string"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"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":"admin","type":"address"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setAdmin","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":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"},{"internalType":"string[]","name":"tokenURIs","type":"string[]"}],"name":"setBatchURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_cap","type":"uint256"}],"name":"setCap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"__revealedTill","type":"uint256"}],"name":"setRevealedTill","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"},{"internalType":"string[]","name":"tokenURIs","type":"string[]"}],"name":"setTokenURIBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setURI","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"}]

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

0000000000000000000000000000000000000000000000000000000000000708

-----Decoded View---------------
Arg [0] : _cap (uint256): 1800

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000708