Contract 0x39FC977438fEbFAc1d8fbB96599881712ADf40dC 2

 
 
Txn Hash
Method
Block
From
To
Value
0x8aa79e4c5e59673b5b9b7e15cc338e481f67defd660ac1c7286c089a4a32064fLend149327122022-06-09 12:58:3364 days 4 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍0013816 34.‍80900248
0x9a8da901e8b598770ff180b0ee60fda3841899f7b9fa6d880ab5ae5c24783a3cLend145845392022-04-14 16:09:29120 days 1 hr ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍0032221 85.‍31304445
0x94c99d3d978300804bba93dba3bfd208512cd3d1ebd69808924d2bc6d710737fClaim145778582022-04-13 15:18:02121 days 2 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00142234 39.‍79486077
0x28b85eb8d6af27b018247cf4070dc46bc47bcd8702a7252a651bbe5b94416348Approve145778232022-04-13 15:11:43121 days 2 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00163413 55.‍69844082
0xae3de86beba7d839a9f563503e9b54527e007372621d8241b0122996dece0133Lend145336522022-04-06 17:32:59127 days 23 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00340995 59.‍11856207
0x6455e50075cddca1b9e31698fe1f892770d290099efd8c065ef59901a5468692Approve145310222022-04-06 7:32:40128 days 9 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00204565 39.‍73760105
0x2b412a12aa99b486b85934ae1576b7828e7b28b87ec681669f1adc8fad9a2bd3Mint145310112022-04-06 7:30:19128 days 9 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00337767 39.‍03519454
0xa84cd3d2f6a251bbb08982698fd89f29864f8406c4e51ed899269139dba1f767Set Token UR Is145310022022-04-06 7:28:46128 days 9 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍01256592 41.‍70555561
0x2e11124ab406ee7bdcc43b5e28804ca1a39bee1e39d1f39dde23efb4110cbcedMint145309922022-04-06 7:26:31128 days 10 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00363486 42.‍00751098
0x66d97f159215aaf344b9706a23c58292c501ac17e81b951883b855996dcabe2fMint145309832022-04-06 7:24:46128 days 10 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  0x39fc977438febfac1d8fbb96599881712adf40dc0 Ether0.‍00627136 51.‍94579205
0xdd4e493c7366f6d9e64b8375e47ffe7e8f8a9e5a5f141d706af0212b15c7f0940x60806040145248752022-04-05 8:38:13129 days 8 hrs ago0xe1e01dc3e6527d2fef00164f4e938a39e6628b39 IN  Create: Owned0 Ether0.‍18047674 43.‍34623893
[ Download CSV Export 
View more zero value Internal Transactions in Advanced View mode
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
Owned

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
File 1 of 12 : Owned.sol
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "./Admin.sol";
import "./IOwned.sol";

// Owned by 0xG

contract Owned is Admin, ERC721, IOwned {
  mapping(uint => address) internal _holders;
  mapping(uint => uint) internal _lendingExpires;

  string[] internal _uris = new string[](3);
  address internal _render;

  bytes4 private constant _INTERFACE_ID_EIP2981 = 0x2a55205a;
  address private _royaltiesReceiver;
  uint private _royaltiesBps;
  uint internal _supply;

  constructor() ERC721("Owned", "OWNED") {}

  function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721) returns (bool) {
    return interfaceId == type(IOwned).interfaceId ||
      interfaceId == _INTERFACE_ID_EIP2981 ||
      ERC721.supportsInterface(interfaceId);
  }

  function ownerOf(uint tokenId) public view virtual override returns (address) {
    address holder = _holders[tokenId];
    require(holder != address(0), "ERC721: owner query for nonexistent token");
    return holder;
  }

  function tokenInfo(uint tokenId) external view virtual override returns (
    address owner,
    address holder,
    uint expire
  ) {
    return (ERC721.ownerOf(tokenId), _holders[tokenId], _lendingExpires[tokenId]);
  }

  function _beforeTokenTransfer(
    address from,
    address to,
    uint tokenId
  ) internal virtual override {
    if (from != address(0)) {
      require(ERC721.ownerOf(tokenId) == _holders[tokenId], "Owned: transfer of lent token");
    }
    _holders[tokenId] = to;
  }

  function setApprovalForAll(address operator, bool approved) public virtual override {
    require(ERC721.balanceOf(msg.sender) > 0, "Owned: caller not owner of a token");
    ERC721.setApprovalForAll(operator, approved);
  }

  function approve(address to, uint256 tokenId) public virtual override {
    require(block.timestamp > _lendingExpires[tokenId], "Owned: token locked until lending expiration");
    ERC721.approve(to, tokenId);
  }

  function lend(address to, uint tokenId, uint expire) external override {
    require(to != address(0) && to != address(0xdead), "Owned: lend to burn address not allowed");
    require(block.timestamp > _lendingExpires[tokenId], "Owned: token locked until lending expiration");

    require(_isApprovedOrOwner(msg.sender, tokenId), "Owned: lend caller is not owner nor approved");

    address owner = ERC721.ownerOf(tokenId);
    address holder = _holders[tokenId];

    _holders[tokenId] = to;
    _lendingExpires[tokenId] = expire;

    if (owner != holder) {
      emit Transfer(holder, owner, tokenId);
    }
    emit Transfer(owner, to, tokenId);
    emit Lend(owner, to, tokenId, expire);
  }

  function claim(uint tokenId) external override {
    require(block.timestamp > _lendingExpires[tokenId], "Owned: token locked until lending expiration");

    address owner = ERC721.ownerOf(tokenId);
    require(owner == msg.sender, 'Owned: claim caller is not owner');
    address holder = _holders[tokenId];
    require(owner != holder, 'Owned: claim caller is already holder');

    _lendingExpires[tokenId] = 0;
    _holders[tokenId] = owner;

    emit Transfer(holder, owner, tokenId);
    emit Claim(owner, holder, tokenId);
  }

  function returnToken(uint tokenId) external override {
    address holder = _holders[tokenId];
    require(holder == msg.sender, "Owned: caller not holder of token");
    address owner = ERC721.ownerOf(tokenId);

    _lendingExpires[tokenId] = 0;
    _holders[tokenId] = owner;

    emit Transfer(holder, owner, tokenId);
    emit ReturnToken(holder, owner, tokenId);
  }

  function mint(address to, uint tokenId) external override adminOnly {
    _supply += 1;
    _safeMint(to, tokenId);
    emit Mint(owner(), to, tokenId);
  }

  function burn(uint tokenId) external override {
    address owner = ERC721.ownerOf(tokenId);
    require(owner == msg.sender, "Owned: caller not owner");
    require(block.timestamp > _lendingExpires[tokenId], "Owned: token locked until lending expiration");

    _supply -= 1;
    _lendingExpires[tokenId] = 0;

    address holder = _holders[tokenId];
    if (owner != holder) {
      emit Transfer(holder, owner, tokenId);
    }

    _burn(tokenId);
  }

  function supply() external view override returns (uint) {
    return _supply;
  }

  function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
    require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

    if (_render != address(0)) {
      return IRender(_render)
        .render(tokenId, ERC721.ownerOf(tokenId), _holders[tokenId], _lendingExpires[tokenId]);
    }

    return _uris[ERC721.ownerOf(tokenId) == _holders[tokenId] ? 0 : _lendingExpires[tokenId] == 0 ? 1 : 2];
  }

  function setTokenURIs(string[] memory uris) external adminOnly {
    _uris = uris;
  }

  function setRender(address render_) external adminOnly {
    _render = render_;
  }

  function royaltyInfo(uint256, uint256 value) public view returns (address, uint256) {
    if (_royaltiesReceiver == address(0)) return (address(0), 0);
    return (_royaltiesReceiver, _royaltiesBps*value/10000);
  }

  function setRoyalties(address receiver, uint256 bps) external adminOnly {
    _royaltiesReceiver = receiver;
    _royaltiesBps = bps;
  }
}

interface IRender {
  function render(uint tokenId, address owner, address holder, uint until) external view returns (string memory);
}

File 2 of 12 : IOwned.sol
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.8.0;

/**
 * @dev Required interface of an Owned compliant contract.
 */
interface IOwned {
  event Lend(address owner, address to, uint tokenId, uint expire);
  event Claim(address owner, address from, uint tokenId);
  event ReturnToken(address holder, address to, uint tokenId);
  event Mint(address from, address to, uint tokenId);

  /**
   * @dev Returns the ``owner``, ``holder`` and ``expire`` (lending expiration) for a ``tokenId``.
   */
  function tokenInfo(uint tokenId) external view returns (address owner, address holder, uint expire);

  /**
   * @dev Lend ``tokenId`` to ``to`` address until lending ``expire``s.
   * When ``expire`` is set to ``0`` the owner can claim the token any time, otherwise they have to wait until expiration.
   *
   * Requirements:
   * - Caller must be an admin or approved operator.
   * - Owner is holder of the token or ``expire`` is ``0``.
   *
   * Emits a {ERC721.Transfer} event.
   * Emits a {IOwned.Lend} event.
   */
  function lend(address to, uint tokenId, uint expire) external;

  /**
   * @dev Owner can use this method to claim ``tokenId`` back.
   *
   * Requirements:
   * - Token was lent with ``expire`` set to ``0`` or lending has expired i.e. ``block.timestamp`` > ``expire``.
   *
   * Emits a {ERC721.Transfer} event.
   * Emits a {IOwned.Claim} event.
   */
  function claim(uint tokenId) external;

  /**
   * @dev Holder can return ``tokenId`` to Owner any time.
   *
   * Requirements:
   * - Token held by caller.
   *
   * Emits a {ERC721.Transfer} event.
   * Emits a {IOwned.ReturnToken} event.
   */
  function returnToken(uint tokenId) external;

  /**
   * @dev Mint ``tokenId`` to ``to`` address.
   *
   * Requirements:
   * - caller must be an admin.
   * - ``tokenId`` must not exist.
   *
   * Emits a {ERC721.Transfer} event.
   * Emits a {IOwned.Mint} event.
   */
  function mint(address to, uint tokenId) external;

  /**
   * @dev Burn ``tokenId``.
   *
   * Requirements:
   * - caller must be the token owner and holder.
   * - ``tokenId`` must exist.
   *
   * Emits a {ERC721.Transfer} event.
   */
  function burn(uint tokenId) external;

  /**
   * @dev Returns total tokens supply.
   */
  function supply() external view returns (uint);
}

File 3 of 12 : Admin.sol
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity ^0.8.0;

abstract contract Admin {
  mapping(address => bool) private _admins;
  address private _owner;

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

  constructor() {
    _owner = msg.sender;
    _admins[msg.sender] = true;
  }

  function owner() public view virtual returns (address) {
    return _owner;
  }

  function isAdmin(address addr) public view virtual returns (bool) {
    return true == _admins[addr];
  }

  modifier adminOnly {
    require(isAdmin(msg.sender), "Admin: caller is not an admin");
    _;
  }

  function setOwner(address newOwner) external adminOnly {
    address oldOwner = _owner;
    _owner = newOwner;
    emit OwnershipTransferred(oldOwner, newOwner);
  }

  function setAdmin(address addr, bool add) external adminOnly {
    if (add) {
      _admins[addr] = true;
    } else {
      delete _admins[addr];
    }
  }
}

File 4 of 12 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

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

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

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

        _transfer(from, to, tokenId);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfer(from, to, tokenId);

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

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

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

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

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

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

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

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 5 of 12 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

File 6 of 12 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

File 7 of 12 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

File 8 of 12 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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 functionCall(target, data, "Address: low-level call failed");
    }

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

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

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

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

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

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

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

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

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

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

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

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

File 9 of 12 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

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

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

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

File 10 of 12 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

File 11 of 12 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

File 12 of 12 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

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

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expire","type":"uint256"}],"name":"Lend","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"holder","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ReturnToken","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":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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"},{"internalType":"uint256","name":"expire","type":"uint256"}],"name":"lend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"returnToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"value","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":"addr","type":"address"},{"internalType":"bool","name":"add","type":"bool"}],"name":"setAdmin","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":"address","name":"newOwner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"render_","type":"address"}],"name":"setRender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"bps","type":"uint256"}],"name":"setRoyalties","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string[]","name":"uris","type":"string[]"}],"name":"setTokenURIs","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"supply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenInfo","outputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"holder","type":"address"},{"internalType":"uint256","name":"expire","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"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"}]

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

Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

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