Contract

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 0.8.6;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract NonconformistDucks is ERC721, Ownable {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

    uint256 private _maxSupply = 10000;

    string public _provenanceHash;
    string public _baseURL;

    constructor() ERC721("NonconformistDucks", "NCD") {}

    function mint(uint256 count) external payable {
        require(_tokenIds.current() < _maxSupply, "Can not mint more than max supply");
        require(count > 0 && count <= 10, "You can mint between 1 and 10 at once");
        require(msg.value >= count * 0.03 ether, "Insufficient payment");
        for (uint256 i = 0; i < count; i++) {
            _tokenIds.increment();
            _mint(msg.sender, _tokenIds.current());
        }

        bool success = false;
        (success,) = owner().call{value : msg.value}("");
        require(success, "Failed to send to owner");
    }

    function setProvenanceHash(string memory provenanceHash) public onlyOwner {
        _provenanceHash = provenanceHash;
    }

    function setBaseURL(string memory baseURI) public onlyOwner {
        _baseURL = baseURI;
    }

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

    function maxSupply() public view returns (uint256) {
        return _maxSupply;
    }

    function totalSupply() public view returns (uint256) {
        return _tokenIds.current();
    }
}

// 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 "./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 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;

/**
 * @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;

/**
 * @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 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);
    }

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

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

// 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;

/**
 * @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 "../../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;

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.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 "../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);
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"_baseURL","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_provenanceHash","outputs":[{"internalType":"string","name":"","type":"string"}],"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":[{"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":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"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":"setBaseURL","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"provenanceHash","type":"string"}],"name":"setProvenanceHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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