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 ^0.8.4;

import '@openzeppelin/contracts/utils/Counters.sol';
import '@openzeppelin/contracts/utils/cryptography/ECDSA.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol';
import './WhitelistTimelock.sol';

contract ASMAIFAAllStarsCharacter is ERC721Enumerable, WhitelistTimelock {
  using ECDSA for bytes32;
  using Address for address;
  using Counters for Counters.Counter;

  Counters.Counter private _tokenIds;

  address private _signer;
  bool public isFreezeAllowed;

  mapping(uint256 => string) public tokenHashes;
  mapping(uint256 => bool) public isFrozen;
  mapping(uint256 => bool) public isConfigured;
  mapping(uint256 => bool) public reservedTokenIds;

  uint256[4] public specialTokenIds = [2384, 12384, 22384, 23840];

  event Minted(address minter, address recipient, string hash, uint256 tokenId);
  event Configured(address minter, string hash, uint256 tokenId);
  event PermanentURI(string _value, uint256 indexed _id);
  event HashUpdated(string hash, uint256 tokenId);
  event FreezeAllowed(bool allowed);

  constructor(address signer)
    ERC721('ASMAIFAAllStarsCharacter', 'AIFACharacter')
  {
    require(signer != address(0), 'Signer should not be a zero address.');
    _signer = signer;

    for (uint256 i = 0; i < specialTokenIds.length; i++) {
      reservedTokenIds[specialTokenIds[i]] = true;
    }
  }

  function _hash(
    string memory hash,
    uint256 reservedAt,
    uint256 expiryMillis,
    uint256 tokenId
  ) internal pure returns (bytes32) {
    return keccak256(abi.encode(tokenId, hash, reservedAt, expiryMillis));
  }

  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 _nextItemId() internal returns (uint256) {
    while (reservedTokenIds[_tokenIds.current()]) {
      _tokenIds.increment();
    }
    return _tokenIds.current();
  }

  function mint(string[4] calldata hashes, address recipient)
    external
    onlyWhitelisted
  {
    for (uint256 i = 0; i < hashes.length; i++) {
      uint256 newItemId = _nextItemId();
      _safeMint(recipient, newItemId);
      _tokenIds.increment();

      tokenHashes[newItemId] = hashes[i];

      emit Minted(msg.sender, recipient, hashes[i], newItemId);
    }
  }

  function mintSpecial(string[4] calldata hashes, address recipient)
    external
    onlyWhitelisted
  {
    for (uint256 i = 0; i < hashes.length; i++) {
      uint256 newItemId = specialTokenIds[i];
      _safeMint(recipient, newItemId);

      tokenHashes[newItemId] = hashes[i];

      emit Minted(msg.sender, recipient, hashes[i], newItemId);
    }
  }

  function freeze(uint256 tokenId) external {
    require(isFreezeAllowed, 'Freezing is not allowed for now.');
    require(ownerOf(tokenId) == msg.sender, 'Permission denied.');
    isFrozen[tokenId] = true;

    // https://docs.opensea.io/docs/metadata-standards#section-freezing-metadata
    // indicate to OpenSea that metadata is no longer changeable by anyone
    emit PermanentURI(tokenURI(tokenId), tokenId);
  }

  function configure(
    string calldata hash,
    bytes calldata signature,
    uint256 reservedAt,
    uint256 expiryMillis,
    uint256 tokenId
  ) external {
    require(ownerOf(tokenId) == msg.sender, 'Permission denied.');
    require(
      block.timestamp * 1000 <= reservedAt + expiryMillis,
      'Configuration expired.'
    );
    require(!isFrozen[tokenId], 'Character is fronzen.');
    require(!isConfigured[tokenId], 'Character can only be configured once.');
    require(
      _verify(_hash(hash, reservedAt, expiryMillis, tokenId), signature),
      'Invalid signature.'
    );

    tokenHashes[tokenId] = hash;
    isConfigured[tokenId] = true;

    emit Configured(msg.sender, hash, tokenId);
  }

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

    string memory hash = tokenHashes[tokenId];
    return
      bytes(hash).length > 0 ? string(abi.encodePacked('ipfs://', hash)) : '';
  }

  function updateHash(string calldata hash, uint256 tokenId)
    external
    onlyWhitelisted
  {
    require(
      getApproved(tokenId) == msg.sender ||
        isApprovedForAll(ownerOf(tokenId), msg.sender),
      'The operator must be approved by token owner.'
    );

    tokenHashes[tokenId] = hash;

    emit HashUpdated(hash, tokenId);
  }

  function setFreezeAllowed(bool allowed) external onlyWhitelisted {
    isFreezeAllowed = allowed;
    emit FreezeAllowed(allowed);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev 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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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 {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, 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
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

    /**
     * @dev 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
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 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
// OpenZeppelin Contracts v4.4.0 (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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/access/Ownable.sol';

contract WhitelistTimelock is Ownable {
  mapping(address => uint256) public whitelistTimelock;
  uint256 public constant MIN_LOCK_DURATION = 1 days;
  uint256 public lockDuration = 1 days;

  event AddedToWhitelist(address indexed account);
  event RemovedFromWhitelist(address indexed account);
  event LockDurationUpdated(uint256 duration);

  modifier onlyWhitelisted() {
    require(
      isWhitelisted(msg.sender),
      'Address not whitelisted or in lock-up period.'
    );
    _;
  }

  function addToWhitelist(address _address) public onlyOwner {
    whitelistTimelock[_address] = block.timestamp + lockDuration;
    emit AddedToWhitelist(_address);
  }

  function removeFromWhitelist(address _address) public onlyOwner {
    whitelistTimelock[_address] = 0;
    emit RemovedFromWhitelist(_address);
  }

  function updateLockDuration(uint256 duration) public onlyOwner {
    require(
      duration >= MIN_LOCK_DURATION,
      'Duration should be longer than MIN_LOCK_DURATION.'
    );

    lockDuration = duration;
    emit LockDurationUpdated(duration);
  }

  function isWhitelisted(address _address) public view returns (bool) {
    return
      whitelistTimelock[_address] > 0 &&
      block.timestamp >= whitelistTimelock[_address];
  }
}

{
  "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"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"AddedToWhitelist","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"string","name":"hash","type":"string"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Configured","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"allowed","type":"bool"}],"name":"FreezeAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"hash","type":"string"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"HashUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"duration","type":"uint256"}],"name":"LockDurationUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"string","name":"hash","type":"string"},{"indexed":false,"internalType":"uint256","name":"tokenId","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":"string","name":"_value","type":"string"},{"indexed":true,"internalType":"uint256","name":"_id","type":"uint256"}],"name":"PermanentURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"RemovedFromWhitelist","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":"MIN_LOCK_DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"addToWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"hash","type":"string"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"uint256","name":"reservedAt","type":"uint256"},{"internalType":"uint256","name":"expiryMillis","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"configure","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"freeze","outputs":[],"stateMutability":"nonpayable","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":"","type":"uint256"}],"name":"isConfigured","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isFreezeAllowed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"isFrozen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string[4]","name":"hashes","type":"string[4]"},{"internalType":"address","name":"recipient","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string[4]","name":"hashes","type":"string[4]"},{"internalType":"address","name":"recipient","type":"address"}],"name":"mintSpecial","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"removeFromWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"reservedTokenIds","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"bool","name":"allowed","type":"bool"}],"name":"setFreezeAllowed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"specialTokenIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"uint256","name":"","type":"uint256"}],"name":"tokenHashes","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"string","name":"hash","type":"string"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"updateHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"updateLockDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelistTimelock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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

0000000000000000000000006cc65583bdef08e022af7d8ab0089e8feeffae94

-----Decoded View---------------
Arg [0] : signer (address): 0x6cC65583BdeF08e022AF7d8Ab0089E8FEeffaE94

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000006cc65583bdef08e022af7d8ab0089e8feeffae94