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
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(
        uint256 tokenId,
        address receiver,
        uint96 feeNumerator
    ) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

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

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: address zero is not a valid owner");
        return _balances[owner];
    }

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

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        _requireMinted(tokenId);

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

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

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

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not token owner or approved for all"
        );

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
        _safeTransfer(from, to, tokenId, data);
    }

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

    /**
     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

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

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

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

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

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

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

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

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

        _owners[tokenId] = to;

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

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

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

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

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

        // Clear approvals
        delete _tokenApprovals[tokenId];

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId, 1);

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

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

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

        emit Transfer(from, to, tokenId);

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

// SPDX-License-Identifier: MIT

// Project A-Heart: https://a-he.art
//
//                                          @@@
//                    #@@#*,,,,,,,,,@@//@@@,,,,,,,@@
//                @  ,,,,,,,,,,,,,,,,,,,,/@,,,,,,,,,,@@
//             @  ,,,,,,,,,,,,,,,,,,,,,,,,,,,@,,,,,,,,,,@
//          @  .,,,,,,,,,,,,,,,,,@@,,,,,,,,,,,,@,,,,,,,,,,*@
//        .  .,,,,,,,,,,,,,,,,,,*#,,,/@,,,,,,,,,,@,,,,,,,,,,,@@
//       @  ,,,,,,@,,,,  ,,,,,,,,,,,,,#//*,,,,,,,,@,,,,,,,,,,,,,@@
//      @         @  ,,,,,,,,,@@,,,,,,,*/#@,,,,,,,,@,,,,,,,,@,,,,,,,@
//      %        ,@,,,,,,,,,,,,  & @%,,,//##,,,,#,,,@,,,,,,,,,,@(,,,,,,,@@
//   %//  .,,,,,,*@.,,,,,,,,,,,&./,@(@    @@@,,,#,,@/@/@,,,,,,,,,,@@@@@///////
//  ,//@ ,,,,,@,,@ @ @,,,,,,,,,,@,@%///%    %,,,,,%,,**@  @@,,,,,,,,,,@@@@@@@@
//  @//@ ,,,,,@,,      /,,,,,,,#,@%         @,#,,@#%,,,@       @,,,,,,*,,,,@@@
//  @//, ,,,,,@/*   %%,,,@,@@,,,,,#       ..,/,@.@  @%,@          %@,,,,,@@,,,
//  @//@ ,,,,#,@//@((&@/%  #          .,..@.@.  .,%@  @@              @(,,,/@@
//   //%  ,,,,#,#*(* . ..             , .    @ (@@,*@@   @@@@@  @@@@@@   @,,,@
//   @//@ ,,,,,,,@@                 , @&      .@    @@ @# @  %  @@&%((((@   @,
//   @///@@@,,@,,#, %% ,...      (  &&&&&     ,,@&@@       #&@%,,,,@(&(&((@@@@
//    @///@//@*/@@*,#@.....    @@@&%((((     @,,,,@@..@%@  @   *,,@%#&(((@@@((
//     ///////@@@@@@@,,         @@(((((    &@,,,,,,@......@/  @@@%%%%%(&%(((((
//     @///////@@@@   @.@  #      .@(@   @@@,,,,,,*...... @@@&%%&&%%%%((((((((
//      @///////@@@  @     @@@@@*      @@@@,,,,,,,@....   @%%%@@@%%%%(((((((((
//      @/////////@  @@@                ..@,,,,,,@....    @%%%%((@@@@@@@&%((((
//      @////@///#/   @@  .            @@.....@,,@.@@.     %%%&%(((@@@@@@%%%%%
//       #///@///@ @             @@@@@@@@@......@  .%@%/////@%(((((((&@@%%%%%%
//       @///@@/@   @,     @ @@&%%&@@@@%%%@..@@%%@///&//////@(((((@((((@%%%%%%
//       @///@@@  %,@  @@@  @@%%%%%%%%@%%%%%..@///%%%.&&///#((&&&(@(((((((@%%@
//       @////@@@@,,@@@   %@((@%%%%%%%%%%%%%%(/////&//////@((((((((@((((%%@%%@
//       @////@%%%%%%%%&%&(#(((@%%%%%%%%%@%%%%%&&@@@///&///&((((((%@@%%%%%%%%@
//       @////@@(%&%%%%(&(&((((@@%%%%%%%%%@%%%%%%&%%&//@..&&&%%%%%%@@@%%%%%@@@
//       @/////@@@((((((((((@@@@&%@@%%%%%%@@@%%&%%%%#(#@..@%%%%%%%%@@@@@%%@@@@

pragma solidity ^0.8.18;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "operator-filter-registry/src/DefaultOperatorFilterer.sol";

import "./interfaces/IAHeart.sol";
import "./ERC4906.sol";

contract AHeart is IAHeart, ERC721, ERC2981, ERC4906, Ownable, DefaultOperatorFilterer {
  using Strings for uint256;

  uint256 public constant MAX_SUPPLY = 2690;

  uint256 private constant REWARD_PER_SECOND = 11574074074075;

  uint256 private constant CHEMISTRY_MAX_LEVEL = 20;

  uint256 private constant CHEMISTRY_MULTIPLE = 1e4;

  uint256 private constant EMISSION_RATE_BASE = 1e5;

  uint96 private constant DEFAULT_ROYALTY_FEE_NUMERATOR = 690; // 6.9%

  uint256 public totalSupply;

  address public minter;

  mapping(address => bool) public extensions;

  string public baseTokenURI;

  mapping(uint256 => string) public suffixKeys;

  uint256 public suffixKeyCount = 0;

  mapping(uint256 => mapping(uint256 => string)) public suffixValues;

  struct TokenInfo {
    uint256 transferLastTimestamp;
    uint256 rewardLastTimestamp;
    uint256 settledRewardAmount;
    uint96 emissionRateDelta;
  }

  mapping(uint256 => TokenInfo) public tokenInfo;

  modifier onlyMinter() {
    require(minter == _msgSender(), "caller is not the minter");
    _;
  }

  modifier onlyExtension() {
    require(extensions[_msgSender()], "caller is not the extension");
    _;
  }

  constructor(string memory initialBaseTokenURI, address royaltyReceiver) ERC721("A-Heart", "AHE") {
    _setDefaultRoyalty(royaltyReceiver, DEFAULT_ROYALTY_FEE_NUMERATOR);
    baseTokenURI = initialBaseTokenURI;
  }

  function setRoyaltyInfo(address receiver, uint96 feeBasisPoints) external onlyOwner {
    _setDefaultRoyalty(receiver, feeBasisPoints);
  }

  function supportsInterface(bytes4 interfaceId) public view override(IERC165, ERC721, ERC2981, ERC4906) returns (bool) {
    return super.supportsInterface(interfaceId);
  }

  function emitBatchMetadataUpdate(uint256 fromTokenId, uint256 toTokenId) external onlyOwner {
    emit BatchMetadataUpdate(fromTokenId, toTokenId);
  }

  function setMinter(address newMinter) external onlyOwner {
    minter = newMinter;
  }

  function mint(address to, uint256 tokenId) external onlyMinter {
    require(1 <= tokenId && tokenId <= MAX_SUPPLY, "invalid token id");
    unchecked {
      totalSupply++;
    }
    _mint(to, tokenId);
    _resetTokenInfo(tokenId);
  }

  function setExtension(address extension, bool value) external onlyOwner {
    extensions[extension] = value;
  }

  function setBaseTokenURI(string calldata newBaseTokenURI) external onlyOwner {
    baseTokenURI = newBaseTokenURI;
    emit BatchMetadataUpdate(1, type(uint256).max);
  }

  function addSuffixKey(string calldata key) external onlyOwner {
    suffixKeys[suffixKeyCount] = key;
    unchecked {
      suffixKeyCount++;
    }
  }

  function removeSuffixKey(uint256 keyIndex) external onlyOwner {
    require(keyIndex < suffixKeyCount, "The key is not registered");
    suffixKeys[keyIndex] = "";
    emit BatchMetadataUpdate(1, type(uint256).max);
  }

  function setSuffixValue(uint256 keyIndex, uint256 tokenId, string calldata value) external onlyExtension {
    require(keyIndex < suffixKeyCount, "The key is not registered");
    suffixValues[keyIndex][tokenId] = value;
    emit MetadataUpdate(tokenId);
  }

  function tokenURISuffix(uint256 tokenId) public view returns (string memory) {
    string memory output = "";
    for (uint256 i = 0; i < suffixKeyCount; i++) {
      if (bytes(suffixKeys[i]).length > 0 && bytes(suffixValues[i][tokenId]).length > 0) {
        output = string.concat(output, "__", suffixKeys[i], "_", suffixValues[i][tokenId]);
      }
    }
    return output;
  }

  function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
    require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
    return string(abi.encodePacked(baseTokenURI, tokenId.toString(), tokenURISuffix(tokenId), ".json"));
  }

  function setEmissionRateDelta(uint256 tokenId, uint96 value) external onlyExtension {
    uint256 currentAmount = rewardAmount(tokenId);
    tokenInfo[tokenId].rewardLastTimestamp = block.timestamp;
    tokenInfo[tokenId].settledRewardAmount = currentAmount;
    tokenInfo[tokenId].emissionRateDelta = value;
  }

  function chemistry(address tokenOwner, uint256 tokenId) public pure returns (uint256) {
    if (tokenOwner == address(0)) {
      return 0;
    }
    uint256 hashedValue = uint256(keccak256(abi.encodePacked(tokenOwner, tokenId)));
    uint256 value = (hashedValue % CHEMISTRY_MAX_LEVEL) + 1;
    return value * CHEMISTRY_MULTIPLE;
  }

  function emissionRate(uint256 tokenId) public view returns (uint256) {
    return chemistry(_ownerOf(tokenId), tokenId) + uint256(tokenInfo[tokenId].emissionRateDelta);
  }

  function rewardAmount(uint256 tokenId) public view returns (uint256) {
    return (((block.timestamp - tokenInfo[tokenId].rewardLastTimestamp) * REWARD_PER_SECOND * emissionRate(tokenId)) / EMISSION_RATE_BASE) + tokenInfo[tokenId].settledRewardAmount;
  }

  function addReward(uint256 tokenId, uint256 amount) external onlyExtension {
    uint256 newAmount = rewardAmount(tokenId) + amount;
    tokenInfo[tokenId].rewardLastTimestamp = block.timestamp;
    tokenInfo[tokenId].settledRewardAmount = newAmount;
  }

  function removeReward(uint256 tokenId, uint256 amount) external onlyExtension {
    require(rewardAmount(tokenId) >= amount, "amount is greater than the current reward amount");
    uint256 newAmount = rewardAmount(tokenId) - amount;
    tokenInfo[tokenId].rewardLastTimestamp = block.timestamp;
    tokenInfo[tokenId].settledRewardAmount = newAmount;
  }

  function _resetTokenInfo(uint256 tokenId) internal {
    tokenInfo[tokenId].transferLastTimestamp = block.timestamp;
    tokenInfo[tokenId].rewardLastTimestamp = block.timestamp;
    tokenInfo[tokenId].settledRewardAmount = 0;
    tokenInfo[tokenId].emissionRateDelta = 0;
  }

  function transferWithReward(address to, uint256 tokenId) external {
    super.transferFrom(_msgSender(), to, tokenId);
  }

  function setApprovalForAll(address operator, bool approved) public override(ERC721, IERC721) onlyAllowedOperatorApproval(operator) {
    super.setApprovalForAll(operator, approved);
  }

  function approve(address operator, uint256 tokenId) public override(ERC721, IERC721) onlyAllowedOperatorApproval(operator) {
    super.approve(operator, tokenId);
  }

  function transferFrom(address from, address to, uint256 tokenId) public override(ERC721, IERC721) onlyAllowedOperator(from) {
    _resetTokenInfo(tokenId);
    super.transferFrom(from, to, tokenId);
  }

  function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override(ERC721, IERC721) onlyAllowedOperator(from) {
    _resetTokenInfo(tokenId);
    super.safeTransferFrom(from, to, tokenId);
  }

  function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public override(ERC721, IERC721) onlyAllowedOperator(from) {
    _resetTokenInfo(tokenId);
    super.safeTransferFrom(from, to, tokenId, data);
  }
}

// SPDX-License-Identifier: MIT

// Project A-Heart: https://a-he.art

pragma solidity ^0.8.18;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";

import "./interfaces/IERC4906.sol";

abstract contract ERC4906 is IERC4906, ERC165 {
  /// @dev See {IERC165-supportsInterface}.
  function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165) returns (bool) {
    return interfaceId == bytes4(0x49064906) || super.supportsInterface(interfaceId);
  }
}

// SPDX-License-Identifier: MIT

// Project A-Heart: https://a-he.art

pragma solidity ^0.8.18;

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

interface IAHeart is IERC721 {
  function emitBatchMetadataUpdate(uint256 fromTokenId, uint256 toTokenId) external;

  function setMinter(address newMinter) external;

  function mint(address to, uint256 tokenId) external;

  function setBaseTokenURI(string calldata newBaseTokenURI) external;

  function setExtension(address extension, bool value) external;

  function addSuffixKey(string calldata key) external;

  function removeSuffixKey(uint256 keyIndex) external;

  function setSuffixValue(uint256 keyIndex, uint256 tokenId, string calldata value) external;

  function tokenURISuffix(uint256 tokenId) external view returns (string memory);

  function setEmissionRateDelta(uint256 tokenId, uint96 value) external;

  function chemistry(address tokenOwner, uint256 tokenId) external pure returns (uint256);

  function emissionRate(uint256 tokenId) external view returns (uint256);

  function rewardAmount(uint256 tokenId) external view returns (uint256);

  function addReward(uint256 tokenId, uint256 amount) external;

  function removeReward(uint256 tokenId, uint256 amount) external;

  function transferWithReward(address to, uint256 tokenId) external;
}

// SPDX-License-Identifier: MIT

// Project A-Heart: https://a-he.art

pragma solidity ^0.8.18;

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

/// @title EIP-721 Metadata Update Extension
interface IERC4906 {
  /// @dev This event emits when the metadata of a token is changed.
  /// So that the third-party platforms such as NFT market could
  /// timely update the images and related attributes of the NFT.
  event MetadataUpdate(uint256 _tokenId);

  /// @dev This event emits when the metadata of a range of tokens is changed.
  /// So that the third-party platforms such as NFT market could
  /// timely update the images and related attributes of the NFTs.
  event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {OperatorFilterer} from "./OperatorFilterer.sol";
import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol";
/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 * @dev    Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract DefaultOperatorFilterer is OperatorFilterer {
    /// @dev The constructor that is called when the contract is being deployed.
    constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    /**
     * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
     *         true if supplied registrant address is not registered.
     */
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);

    /**
     * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
     */
    function register(address registrant) external;

    /**
     * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
     */
    function registerAndSubscribe(address registrant, address subscription) external;

    /**
     * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
     *         address without subscribing.
     */
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;

    /**
     * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
     *         Note that this does not remove any filtered addresses or codeHashes.
     *         Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
     */
    function unregister(address addr) external;

    /**
     * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
     */
    function updateOperator(address registrant, address operator, bool filtered) external;

    /**
     * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
     */
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;

    /**
     * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
     */
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;

    /**
     * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
     */
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;

    /**
     * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
     *         subscription if present.
     *         Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
     *         subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
     *         used.
     */
    function subscribe(address registrant, address registrantToSubscribe) external;

    /**
     * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
     */
    function unsubscribe(address registrant, bool copyExistingEntries) external;

    /**
     * @notice Get the subscription address of a given registrant, if any.
     */
    function subscriptionOf(address addr) external returns (address registrant);

    /**
     * @notice Get the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscribers(address registrant) external returns (address[] memory);

    /**
     * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscriberAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
     */
    function copyEntriesOf(address registrant, address registrantToCopy) external;

    /**
     * @notice Returns true if operator is filtered by a given address or its subscription.
     */
    function isOperatorFiltered(address registrant, address operator) external returns (bool);

    /**
     * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
     */
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);

    /**
     * @notice Returns true if a codeHash is filtered by a given address or its subscription.
     */
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);

    /**
     * @notice Returns a list of filtered operators for a given address or its subscription.
     */
    function filteredOperators(address addr) external returns (address[] memory);

    /**
     * @notice Returns the set of filtered codeHashes for a given address or its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);

    /**
     * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);

    /**
     * @notice Returns true if an address has registered
     */
    function isRegistered(address addr) external returns (bool);

    /**
     * @dev Convenience method to compute the code hash of an arbitrary contract
     */
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;
address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol";
/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 *         Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract OperatorFilterer {
    /// @dev Emitted when an operator is not allowed.
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);

    /// @dev The constructor that is called when the contract is being deployed.
    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
        // will not revert, but the contract will need to be registered with the registry once it is deployed in
        // order for the modifier to filter addresses.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (subscribe) {
                OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    OPERATOR_FILTER_REGISTRY.register(address(this));
                }
            }
        }
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    modifier onlyAllowedOperator(address from) virtual {
        // Allow spending tokens from addresses with balance
        // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
        // from an EOA.
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    /**
     * @dev A helper function to check if an operator approval is allowed.
     */
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    function _checkFilterOperator(address operator) internal view virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            // under normal circumstances, this function will revert rather than return false, but inheriting contracts
            // may specify their own OperatorFilterRegistry implementations, which may behave differently
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"initialBaseTokenURI","type":"string"},{"internalType":"address","name":"royaltyReceiver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"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":"uint256","name":"_fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_toTokenId","type":"uint256"}],"name":"BatchMetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"MetadataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"addReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"key","type":"string"}],"name":"addSuffixKey","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","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":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"chemistry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"emissionRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"internalType":"uint256","name":"toTokenId","type":"uint256"}],"name":"emitBatchMetadataUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"extensions","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"minter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"removeReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"keyIndex","type":"uint256"}],"name":"removeSuffixKey","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"rewardAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"newBaseTokenURI","type":"string"}],"name":"setBaseTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint96","name":"value","type":"uint96"}],"name":"setEmissionRateDelta","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"extension","type":"address"},{"internalType":"bool","name":"value","type":"bool"}],"name":"setExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newMinter","type":"address"}],"name":"setMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeBasisPoints","type":"uint96"}],"name":"setRoyaltyInfo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"keyIndex","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"value","type":"string"}],"name":"setSuffixValue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"suffixKeyCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"suffixKeys","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"suffixValues","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"","type":"uint256"}],"name":"tokenInfo","outputs":[{"internalType":"uint256","name":"transferLastTimestamp","type":"uint256"},{"internalType":"uint256","name":"rewardLastTimestamp","type":"uint256"},{"internalType":"uint256","name":"settledRewardAmount","type":"uint256"},{"internalType":"uint96","name":"emissionRateDelta","type":"uint96"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURISuffix","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":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferWithReward","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000000000000000000000000000000000000000004000000000000000000000000066bafb8301ae8fd7f77a02a2cbf2bab0a55e9c080000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d5a434150656f76436448534d6a746d70714857516a43625778706578325569644a57466951487448566a5a6b2f00000000000000000000

-----Decoded View---------------
Arg [0] : initialBaseTokenURI (string): ipfs://QmZCAPeovCdHSMjtmpqHWQjCbWxpex2UidJWFiQHtHVjZk/
Arg [1] : royaltyReceiver (address): 0x66bAfb8301Ae8fd7f77a02A2cBF2BAB0A55E9c08

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 00000000000000000000000066bafb8301ae8fd7f77a02a2cbf2bab0a55e9c08
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000036
Arg [3] : 697066733a2f2f516d5a434150656f76436448534d6a746d70714857516a4362
Arg [4] : 5778706578325569644a57466951487448566a5a6b2f00000000000000000000