Contract 0xF82E39Ce459786cC9AE3602Eed9c288B4FBBE785

Contract Overview

Balance:
0.3 Ether
Txn Hash
Method
Block
From
To
Value
0x113778e7132f8448d5582240a53295dbe5c8c7dc936d706ea57d0b60f5899956Set Base URI98819632021-12-26 13:12:48144 days 21 hrs ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  0xf82e39ce459786cc9ae3602eed9c288b4fbbe7850 Ether0.000037829 1.000000009
0xc317267e08eee4f322112b2796023e215df0e235e350a096337b2e774725c303Set Base URI98819112021-12-26 12:59:48144 days 21 hrs ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  0xf82e39ce459786cc9ae3602eed9c288b4fbbe7850 Ether0.000040617 1.000000009
0x5bb28e260d5190740c2c35e4f903b634bd1e1dd21a181e8f9e03244018977558Set Approval For...98817272021-12-26 12:13:47144 days 22 hrs ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  0xf82e39ce459786cc9ae3602eed9c288b4fbbe7850 Ether0.0001132378 2.425000009
0x2e2eccc80110286d398b6dd99f34ce260f05440bf4082a29130f6abaa1001454Mint98816412021-12-26 11:52:17144 days 22 hrs ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  0xf82e39ce459786cc9ae3602eed9c288b4fbbe7850.2 Ether0.000274474002 1.000000009
0x7f29aa3dbccda24a3e1d6ea6b9a7ddffcbd05755f35ec318355e897bd38c93f4Mint98816322021-12-26 11:50:02144 days 22 hrs ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  0xf82e39ce459786cc9ae3602eed9c288b4fbbe7850.1 Ether0.000130400001 1.000000008
0xf9486523a3d40cc27fb01db4c55d7c783c9ccc861d52b2c66dd845c7880390e60x6080604098810432021-12-26 9:22:45145 days 55 mins ago0x397265fe4c179c0177571db94ed8dac617e3458c IN  Create: VeryyoungNFTSimpleDemo0 Ether0.005612764529 1.500000008
[ Download CSV Export 
Parent Txn Hash Block From To Value
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
VeryyoungNFTSimpleDemo

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
File 1 of 15 : VeryyoungNFTSimpleDemo.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.4;

import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";

contract VeryyoungNFTSimpleDemo is ERC721Enumerable, ReentrancyGuard, Ownable {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;
    
    string public baseURI;
    uint256 public constant MAX_SUPPLY = 100;
    uint256 public constant MAX_MINT = 5;
    uint256 private PRICE = 1E17; // 0.1 ETH
    event Minted(address minter, uint256 amount);
    event BalanceWithdrawed(address recipient, uint256 value);

    constructor(
        string memory _name,
        string memory _symbol,
        string memory _initBaseURI) ERC721(_name, _symbol) {
        baseURI = _initBaseURI;
    }

    function updatePrice(uint256 __price) public onlyOwner {
        PRICE = __price;
    }
    

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

    function setBaseURI(string calldata newBaseURI) external onlyOwner {
        baseURI = newBaseURI;
    }

    function mint(uint256 amount) external payable nonReentrant {
        require(
            !Address.isContract(msg.sender),
            "Contracts are not allowed."
        );
        require(
            amount <= MAX_MINT,
            "Amount should not exceed max mint number per transaction."
        );
        require(
            _tokenIds.current() + amount <= MAX_SUPPLY,
            "Amount should not exceed max supply"
        );
        require(
            msg.value >= PRICE * amount,
            "Ether value sent is incorrect."
        );
        for (uint256 i = 0; i < amount; i++) {
            uint256 newItemId = _tokenIds.current();
            _safeMint(msg.sender, newItemId);
            _tokenIds.increment();
        }
        emit Minted(msg.sender, amount);
    }

    function withdraw() public onlyOwner {
        uint256 balance = address(this).balance;
        (bool success, ) = msg.sender.call{value: balance}("");
        require(success, "Failed to send Ether");
    }

}

File 2 of 15 : Counters.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Counters.sol)

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;
    }
}

File 3 of 15 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 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 {
        _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 15 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

File 5 of 15 : ERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

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

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

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

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

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

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

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

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

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

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

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

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

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

File 6 of 15 : 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 7 of 15 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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: 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 {
        _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: 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 Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {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 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 {}
}

File 8 of 15 : IERC721Enumerable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 tokenId);

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

File 9 of 15 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

File 10 of 15 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 11 of 15 : 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 12 of 15 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

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);
            }
        }
    }
}

File 13 of 15 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 14 of 15 : 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 15 of 15 : 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": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_initBaseURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"BalanceWithdrawed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Minted","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":"MAX_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","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":"newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"__price","type":"uint256"}],"name":"updatePrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : _name (string): Veryyoung NFT Simple Demo
Arg [1] : _symbol (string): VNSD
Arg [2] : _initBaseURI (string): ipfs://QmPphQMMEhwmXMp3m4sJrtL9xqAX8emiXBZw8UeVGhqZhK/

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000019
Arg [4] : 56657279796f756e67204e46542053696d706c652044656d6f00000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [6] : 564e534400000000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000036
Arg [8] : 697066733a2f2f516d507068514d4d4568776d584d70336d34734a72744c3978
Arg [9] : 71415838656d6958425a77385565564768715a684b2f00000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.