Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.9;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Base64.sol";

contract Reference2 is ERC721, Ownable {
	event MetadataUpdate(uint256 _tokenId);

	string private _image = "";

	constructor(address wallet) ERC721("Reference2", "RFR2") {
		_mint(wallet, 1);
	}

	function totalSupply() public pure returns (uint256) {
		return 1;
	}

	function updateReference(string memory newImage) public onlyOwner {
		_image = newImage;
		emit MetadataUpdate(1);
	}

	function tokenURI(uint256 tokenId) public view override returns (string memory) {
		if (!_exists(tokenId)) revert("Nonexistent token");
		return
			string(
				abi.encodePacked(
					"data:application/json;base64,",
					Base64.encode(abi.encodePacked('{"name":"That Camera","image":"', _image, '"}'))
				)
			);
	}
}

// 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 v4.8.2) (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 (last updated v4.7.0) (utils/Base64.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides a set of functions to operate with Base64 strings.
 *
 * _Available since v4.5._
 */
library Base64 {
    /**
     * @dev Base64 Encoding/Decoding Table
     */
    string internal constant _TABLE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * @dev Converts a `bytes` to its Bytes64 `string` representation.
     */
    function encode(bytes memory data) internal pure returns (string memory) {
        /**
         * Inspired by Brecht Devos (Brechtpd) implementation - MIT licence
         * https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol
         */
        if (data.length == 0) return "";

        // Loads the table into memory
        string memory table = _TABLE;

        // Encoding takes 3 bytes chunks of binary data from `bytes` data parameter
        // and split into 4 numbers of 6 bits.
        // The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up
        // - `data.length + 2`  -> Round up
        // - `/ 3`              -> Number of 3-bytes chunks
        // - `4 *`              -> 4 characters for each chunk
        string memory result = new string(4 * ((data.length + 2) / 3));

        /// @solidity memory-safe-assembly
        assembly {
            // Prepare the lookup table (skip the first "length" byte)
            let tablePtr := add(table, 1)

            // Prepare result pointer, jump over length
            let resultPtr := add(result, 32)

            // Run over the input, 3 bytes at a time
            for {
                let dataPtr := data
                let endPtr := add(data, mload(data))
            } lt(dataPtr, endPtr) {

            } {
                // Advance 3 bytes
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                // To write each character, shift the 3 bytes (18 bits) chunk
                // 4 times in blocks of 6 bits for each character (18, 12, 6, 0)
                // and apply logical AND with 0x3F which is the number of
                // the previous character in the ASCII table prior to the Base64 Table
                // The result is then added to the table to get the character to write,
                // and finally write it in the result pointer but with a left shift
                // of 256 (1 byte) - 8 (1 ASCII char) = 248 bits

                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance

                mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))
                resultPtr := add(resultPtr, 1) // Advance
            }

            // When data `bytes` is not exactly 3 bytes long
            // it is padded with `=` characters at the end
            switch mod(mload(data), 3)
            case 1 {
                mstore8(sub(resultPtr, 1), 0x3d)
                mstore8(sub(resultPtr, 2), 0x3d)
            }
            case 2 {
                mstore8(sub(resultPtr, 1), 0x3d)
            }
        }

        return result;
    }
}

// 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);
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"wallet","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"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":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"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":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newImage","type":"string"}],"name":"updateReference","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000002be656bd90ebb45a61a1de15abe990b0bbeb9fa

-----Decoded View---------------
Arg [0] : wallet (address): 0x02BE656bD90EBb45A61A1DE15abE990b0BBEB9fa

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000002be656bd90ebb45a61a1de15abe990b0bbeb9fa