Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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 make 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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

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

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

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

        _balances[to] += 1;
        _owners[tokenId] = to;

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

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

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

        _balances[owner] -= 1;
        delete _owners[tokenId];

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

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

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
    }

    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");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' 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) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        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.
            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 if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } 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;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 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 (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // 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 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));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: 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/utils/cryptography/ECDSA.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol';

contract ASMAIFAAllStarsBoxSet is ERC721Enumerable, ReentrancyGuard, Ownable {
  using ECDSA for bytes32;
  using Address for address;
  using Counters for Counters.Counter;

  Counters.Counter private _tokenIds;

  enum Status {
    Pending,
    PreSale,
    PublicSale,
    Finished
  }

  Status public status;

  address private _signer;

  string public baseURI;
  uint256 public maxAmountPerTx = 3;
  uint256 public constant maxSupply = 10000;
  uint256 public constant price = 0.09 * 10**18; // 0.09 ETH

  mapping(bytes => bool) public usedToken;
  mapping(address => bool) public presaleMinted;

  event Minted(address minter, uint256 amount);
  event StatusChanged(Status status);
  event BaseURIChanged(string newBaseURI);
  event SignerChanged(address signer);
  event BalanceWithdrawed(address recipient, uint256 value);

  constructor(address signer, address recipient)
    ERC721('ASMAIFAAllStarsBoxSet', 'AIFABOX')
  {
    _signer = signer;

    _safeMint(recipient, _tokenIds.current());
    _tokenIds.increment();
  }

  function getStatus() public view returns (Status) {
    return status;
  }

  function _hash(string calldata salt, address _address)
    internal
    view
    returns (bytes32)
  {
    return keccak256(abi.encode(salt, address(this), _address));
  }

  function _verify(bytes32 hash, bytes memory token)
    internal
    view
    returns (bool)
  {
    return (_recover(hash, token) == _signer);
  }

  function _recover(bytes32 hash, bytes memory token)
    internal
    pure
    returns (address)
  {
    return hash.toEthSignedMessageHash().recover(token);
  }

  function presaleMint(string calldata salt, bytes calldata token)
    external
    payable
    nonReentrant
  {
    require(status == Status.PreSale, 'Presale is not active.');
    require(
      !Address.isContract(msg.sender),
      'Contracts are not allowed to mint.'
    );
    require(
      !presaleMinted[msg.sender],
      'The wallet address has already minted.'
    );
    require(
      _tokenIds.current() + 1 <= maxSupply,
      'Max supply of tokens exceeded.'
    );
    require(msg.value >= price, 'Ether value sent is incorrect.');
    require(_verify(_hash(salt, msg.sender), token), 'Invalid token.');

    uint256 newItemId = _tokenIds.current();
    _safeMint(msg.sender, newItemId);

    _tokenIds.increment();
    presaleMinted[msg.sender] = true;

    emit Minted(msg.sender, 1);
  }

  function mint(
    string calldata salt,
    bytes calldata token,
    uint256 amount
  ) external payable nonReentrant {
    require(status == Status.PublicSale, 'Sale is not active.');
    require(
      !Address.isContract(msg.sender),
      'Contracts are not allowed to mint.'
    );
    require(
      amount <= maxAmountPerTx,
      'Amount should not exceed 3 per transaction.'
    );
    require(
      _tokenIds.current() + amount <= maxSupply,
      'Amount should not exceed max supply of tokens.'
    );
    require(msg.value >= price * amount, 'Ether value sent is incorrect.');
    require(!usedToken[token], 'The token has been used.');
    require(_verify(_hash(salt, msg.sender), token), 'Invalid token.');

    for (uint256 i = 0; i < amount; i++) {
      uint256 newItemId = _tokenIds.current();
      _safeMint(msg.sender, newItemId);
      _tokenIds.increment();
    }

    usedToken[token] = true;

    emit Minted(msg.sender, amount);
  }

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

  function withdrawAll(address recipient) external onlyOwner {
    uint256 balance = address(this).balance;
    payable(recipient).transfer(balance);
    emit BalanceWithdrawed(recipient, balance);
  }

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

  function setStatus(Status _status) external onlyOwner {
    status = _status;
    emit StatusChanged(_status);
  }

  function setSigner(address signer) external onlyOwner {
    _signer = signer;
    emit SignerChanged(signer);
  }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"address","name":"recipient","type":"address"}],"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":"string","name":"newBaseURI","type":"string"}],"name":"BaseURIChanged","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":false,"internalType":"address","name":"signer","type":"address"}],"name":"SignerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ASMAIFAAllStarsBoxSet.Status","name":"status","type":"uint8"}],"name":"StatusChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getStatus","outputs":[{"internalType":"enum ASMAIFAAllStarsBoxSet.Status","name":"","type":"uint8"}],"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":"maxAmountPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"salt","type":"string"},{"internalType":"bytes","name":"token","type":"bytes"},{"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":[{"internalType":"string","name":"salt","type":"string"},{"internalType":"bytes","name":"token","type":"bytes"}],"name":"presaleMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"presaleMinted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"address","name":"signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum ASMAIFAAllStarsBoxSet.Status","name":"_status","type":"uint8"}],"name":"setStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ASMAIFAAllStarsBoxSet.Status","name":"","type":"uint8"}],"stateMutability":"view","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":"bytes","name":"","type":"bytes"}],"name":"usedToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000060c2e8c73716ec13d5d21c62c0d540c5216975300000000000000000000000005f3f357194c32f9c2f1176cc39b9d6c214a1fdca

-----Decoded View---------------
Arg [0] : signer (address): 0x60c2E8C73716eC13D5d21C62C0d540C521697530
Arg [1] : recipient (address): 0x5F3F357194C32f9c2f1176CC39B9d6c214A1fDCA

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000060c2e8c73716ec13d5d21c62c0d540c521697530
Arg [1] : 0000000000000000000000005f3f357194c32f9c2f1176cc39b9d6c214a1fdca