ETH Price: $2,823.62 (+4.79%)

Token

Gen Bouquet (Gen Bouquet)
 

Overview

Max Total Supply

8 Gen Bouquet

Holders

3

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Filtered by Token Holder
eternalharmony.eth
Balance
2 Gen Bouquet
0x84fA6AB8AB0a6bD233BB3AaA7B6A18B5b1a510bC
Loading...
Loading
Loading...
Loading
Loading...
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
GenBouquet

Compiler Version
v0.8.12+commit.f00d7308

Optimization Enabled:
Yes with 2000 runs

Other Settings:
default evmVersion
File 1 of 17 : new flora.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.12;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/utils/cryptography/ECDSA.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/token/ERC721/ERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/utils/Strings.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/security/ReentrancyGuard.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/access/Ownable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/release-v4.8/contracts/utils/math/SafeMath.sol";




contract GenBouquet is ERC721Enumerable, Ownable, ReentrancyGuard { 

    using SafeMath for uint256;
    using Strings for uint256;
    bool public paused = false;
    uint256 public cost = 0.1 ether; 
    uint256 public token_id = 1;
    string public baseExtension = ".json";
    string baseURI;
    bool stop = false;

    


    constructor( ) ERC721("Gen Bouquet", "Gen Bouquet") {
        baseURI = "https://genbouquet.ru/metadata/"; 
    }

    receive() external payable {}

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

    

    function teamMint( address  user) public payable nonReentrant onlyOwner{
        require(!stop, "Sale must be active to mint Souls");
                _safeMint(user, token_id);
                token_id++;  
    }

     function teamMassMint( address  user, uint numberOfTokens) public payable nonReentrant onlyOwner{
        require(!stop, "Sale must be active to mint Souls");
        for(uint i = 0; i < numberOfTokens; i++) {
            uint mintIndex = totalSupply();
                _safeMint(user, mintIndex);
                token_id++;
        }
    }

    function Sale(uint numberOfTokens) public payable nonReentrant {
        require(!stop, "Sale must be active to mint");
        require(!paused, "Sale must be active to mint");
        require(msg.value >= cost * numberOfTokens, "Ether value sent is not correct");

        for(uint i = 0; i < numberOfTokens; i++) {
            uint mintIndex = totalSupply();
                _safeMint(msg.sender, mintIndex);
                token_id++;
        }
    }

 


    function pause() public onlyOwner {
            paused = !paused;
    }

    function stoped() public onlyOwner {
            stop = true;
    }

    address a1 = 0xae87B3506C1F48259705BA64DcB662Ed047575Bb; 
    address a2 = 0xae87B3506C1F48259705BA64DcB662Ed047575Bb; 
     
 
  function withdraw() public payable onlyOwner {

       uint256 _sender1 = address(this).balance * 70/100;
       uint256 _sender2 = address(this).balance * 30/100;

        require(payable(a1).send(_sender1));
        require(payable(a2).send(_sender2));
  }

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


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

        return string(abi.encodePacked(baseURI, tokenId.toString(), baseExtension));
    }

}

File 2 of 17 : SafeMath.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

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

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

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

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

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

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

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

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

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

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

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

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

File 3 of 17 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 4 of 17 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

File 5 of 17 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

File 6 of 17 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev See {ERC721-_beforeTokenTransfer}.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);

        if (batchSize > 1) {
            // Will only trigger during construction. Batch transferring (minting) is not available afterwards.
            revert("ERC721Enumerable: consecutive transfers not supported");
        }

        uint256 tokenId = firstTokenId;

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

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

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

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

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

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

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

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

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

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

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

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

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

File 7 of 17 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.2) (token/ERC721/ERC721.sol)

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: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _ownerOf(tokenId);
        require(owner != address(0), "ERC721: invalid token ID");
        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) {
        _requireMinted(tokenId);

        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 overridden 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 token owner or approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        _requireMinted(tokenId);

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @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 _ownerOf(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) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1);

        // Check that tokenId was not minted by `_beforeTokenTransfer` hook
        require(!_exists(tokenId), "ERC721: token already minted");

        unchecked {
            // Will not overflow unless all 2**256 token ids are minted to the same owner.
            // Given that tokens are minted one by one, it is impossible in practice that
            // this ever happens. Might change if we allow batch minting.
            // The ERC fails to describe this case.
            _balances[to] += 1;
        }

        _owners[tokenId] = to;

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

        _afterTokenTransfer(address(0), to, tokenId, 1);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId, 1);

        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
        owner = ERC721.ownerOf(tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        unchecked {
            // Cannot overflow, as that would require more tokens to be burned/transferred
            // out than the owner initially received through minting and transferring in.
            _balances[owner] -= 1;
        }
        delete _owners[tokenId];

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

        _afterTokenTransfer(owner, address(0), tokenId, 1);
    }

    /**
     * @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 from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId, 1);

        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");

        // Clear approvals from the previous owner
        delete _tokenApprovals[tokenId];

        unchecked {
            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
            // `from`'s balance is the number of token held, which is at least one before the current
            // transfer.
            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
            // all 2**256 token ids to be minted, which in practice is impossible.
            _balances[from] -= 1;
            _balances[to] += 1;
        }
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId, 1);
    }

    /**
     * @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);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @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 {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
     * - When `from` is zero, the tokens will be minted for `to`.
     * - When `to` is zero, ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual {}

    /**
     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
     * - When `from` is zero, the tokens were minted for `to`.
     * - When `to` is zero, ``from``'s tokens were burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual {}

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant
     * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such
     * that `ownerOf(tokenId)` is `a`.
     */
    // solhint-disable-next-line func-name-mixedcase
    function __unsafe_increaseBalance(address account, uint256 amount) internal {
        _balances[account] += amount;
    }
}

File 8 of 17 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 9 of 17 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

File 10 of 17 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

File 11 of 17 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 12 of 17 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 13 of 17 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 14 of 17 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

File 15 of 17 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

File 16 of 17 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * 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;

    /**
     * @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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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 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 the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @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);
}

File 17 of 17 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"Sale","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseExtension","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":"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":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_cost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stoped","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":"address","name":"user","type":"address"},{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"teamMassMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"teamMint","outputs":[],"stateMutability":"payable","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":"token_id","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

Deployed Bytecode

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

Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.