Contract Address Details

0xfeEa3eDf8bf3d3Ff29a5946ef617E1BD1B4E6b6f

Contract Name
OpenDesertV2
Creator
0x19f4c9–66d2c1 at 0x4ec342–c2158d
Balance
0.075 Doge
Tokens
Fetching tokens...
Transactions
6 Transactions
Transfers
6 Transfers
Gas Used
1,093,401
Last Balance Update
26351363
Contract name:
OpenDesertV2




Optimization enabled
false
Compiler version
v0.8.17+commit.8df45f5f




EVM Version
default




Verified at
2022-12-03T20:33:27.146263Z

Constructor Arguments

0000000000000000000000000000000000000000000000000000000000000096

Arg [0] (uint16) : 150

Contract source code

// File: @openzeppelin/contracts/utils/Context.sol


// 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: @openzeppelin/contracts/access/Ownable.sol


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

pragma solidity ^0.8.0;


/**
 * @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);
    }
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol


// 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);
}

// File: @openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol


// OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.0;


/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
 */
contract ERC721Holder is IERC721Receiver {
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address,
        address,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol


// 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);
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol


// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;


/**
 * @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);
}

// File: OpenDesertV2.sol


pragma solidity ^0.8.17;





contract OpenDesertV2 is IERC721Receiver, ERC721Holder, Ownable {

	uint16 public feePercent;

    constructor(uint16 _feePercent) {
        require(_feePercent <= 500, "Input value is more than 5%");
        feePercent = _feePercent;
    }

	function newFeePercent (uint16 _feePercent) external onlyOwner {
		feePercent = _feePercent;
	}

	error Unauthorized();
	error ListingNotFound();

	event NewListing(Listing listing);
	event ListingRemoved(Listing listing);
	event ListingBought(address indexed buyer, Listing listing);

	uint256 public saleCounter = 1;

	struct Listing {
		uint256 id;
		address tokenContract;
		uint256 tokenId;
		address creator;
		uint256 salePrice;
	}

	mapping(uint256 => Listing) public getListing;

	receive() external payable {}

	function list(address tokenContract, uint256 tokenId, uint256 salePrice) external returns (uint256) {
		Listing memory listing = Listing({
			id: saleCounter,
			tokenContract: tokenContract,
			tokenId: tokenId,
			salePrice: salePrice,
			creator: msg.sender
		});
		getListing[saleCounter] = listing;
		IERC721(listing.tokenContract).safeTransferFrom(msg.sender, address(this), listing.tokenId);
		emit NewListing(listing);
		return saleCounter++;
	}

	function cancelListing(uint256 listingId) external {
		Listing memory listing = getListing[listingId];
		if (listing.creator != msg.sender) revert Unauthorized();
		IERC721(listing.tokenContract).safeTransferFrom(address(this), msg.sender, listing.tokenId);
		emit ListingRemoved(listing);
        delete getListing[listingId];
	}

	function buyListing(uint256 listingId) external payable {
		Listing memory listing = getListing[listingId];
		if (listing.creator == address(0)) revert ListingNotFound();
		require(msg.value >= listing.salePrice, "Not enough coins sent, check salePrice");
		uint256 fee = listing.salePrice * feePercent / 10000;
		payable(listing.creator).transfer(listing.salePrice - fee);
        payable(address(this)).transfer(fee);
		IERC721(listing.tokenContract).safeTransferFrom(address(this), msg.sender, listing.tokenId);
		emit ListingBought(msg.sender, listing);
		delete getListing[listingId];
	}

    function transferValue(address payable _to) external onlyOwner {
        uint256 amount = address(this).balance;
        (bool success, ) = _to.call{value: amount}("");
        require(success, "Failed to send value");
    }
}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"uint16","name":"_feePercent","internalType":"uint16"}]},{"type":"error","name":"ListingNotFound","inputs":[]},{"type":"error","name":"Unauthorized","inputs":[]},{"type":"event","name":"ListingBought","inputs":[{"type":"address","name":"buyer","internalType":"address","indexed":true},{"type":"tuple","name":"listing","internalType":"struct OpenDesertV2.Listing","indexed":false,"components":[{"type":"uint256","name":"id","internalType":"uint256"},{"type":"address","name":"tokenContract","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"address","name":"creator","internalType":"address"},{"type":"uint256","name":"salePrice","internalType":"uint256"}]}],"anonymous":false},{"type":"event","name":"ListingRemoved","inputs":[{"type":"tuple","name":"listing","internalType":"struct OpenDesertV2.Listing","indexed":false,"components":[{"type":"uint256","name":"id","internalType":"uint256"},{"type":"address","name":"tokenContract","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"address","name":"creator","internalType":"address"},{"type":"uint256","name":"salePrice","internalType":"uint256"}]}],"anonymous":false},{"type":"event","name":"NewListing","inputs":[{"type":"tuple","name":"listing","internalType":"struct OpenDesertV2.Listing","indexed":false,"components":[{"type":"uint256","name":"id","internalType":"uint256"},{"type":"address","name":"tokenContract","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"address","name":"creator","internalType":"address"},{"type":"uint256","name":"salePrice","internalType":"uint256"}]}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"payable","outputs":[],"name":"buyListing","inputs":[{"type":"uint256","name":"listingId","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"cancelListing","inputs":[{"type":"uint256","name":"listingId","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint16","name":"","internalType":"uint16"}],"name":"feePercent","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"id","internalType":"uint256"},{"type":"address","name":"tokenContract","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"address","name":"creator","internalType":"address"},{"type":"uint256","name":"salePrice","internalType":"uint256"}],"name":"getListing","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"list","inputs":[{"type":"address","name":"tokenContract","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"uint256","name":"salePrice","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"newFeePercent","inputs":[{"type":"uint16","name":"_feePercent","internalType":"uint16"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bytes4","name":"","internalType":"bytes4"}],"name":"onERC721Received","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"},{"type":"uint256","name":"","internalType":"uint256"},{"type":"bytes","name":"","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"saleCounter","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferValue","inputs":[{"type":"address","name":"_to","internalType":"address payable"}]},{"type":"receive","stateMutability":"payable"}]

Contract Creation Code

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