// File: contracts/RarityspaceListing.sol



// SPDX-License-Identifier: No License

pragma solidity ^0.8.4;

import "./IRarityspaceListing.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";

contract RarityspaceListing is IRarityspaceListing, Ownable {
    using SafeMath for uint256;

    address payable public override withdrawalWallet;
    uint256 public override upcomingFee;
    uint256 public override listingFee;
    uint256 public override featuredFee;

    uint256 public override totalListings = 0;

    mapping(uint256 => Listing) public override listings;

    constructor(address payable _withdrawalWallet) {
        setWithdrawalWallet(_withdrawalWallet);
        setUpcomingFee(0.1 ether);
        setListingFee(1 ether);
        setFeaturedFee(0.1 ether);
    }

    function setWithdrawalWallet(address payable _withdrawalWallet) public override onlyOwner {
        withdrawalWallet = _withdrawalWallet;
        emit WithdrawalWalletChanged(withdrawalWallet);
    }

    function setUpcomingFee(uint256 _upcomingFee) public override onlyOwner {
        upcomingFee = _upcomingFee;
        emit UpcomingFeeChanged(upcomingFee);
    }

    function setListingFee(uint256 _listingFee) public override onlyOwner {
        listingFee = _listingFee;
        emit ListingFeeChanged(listingFee);
    }

    function setFeaturedFee(uint256 _featuredFee) public override onlyOwner {
        featuredFee = _featuredFee;
        emit FeaturedFeeChanged(featuredFee);
    }

    function createListing(bytes32 _dataHash) external override payable returns (uint256) {
        if (msg.sender != owner()) {
            require(msg.value == listingFee, "Rarityspace:createListing:: Insufficient funds.");
        }

        uint256 id = totalListings;
        Listing memory listing = Listing(id, msg.sender, _dataHash);
        listings[id] = listing;

        totalListings = totalListings.add(1);
        emit CreatedListing(listing);
        
        _withdraw();
        return id;
    }

    function createUpcoming(bytes32 _dataHash) external override payable returns (uint256) {
        if (msg.sender != owner()) {
            require(msg.value == upcomingFee, "Rarityspace:updateListing:: Insufficient funds.");
        }

        uint256 id = totalListings;
        Listing memory listing = Listing(id, msg.sender, _dataHash);
        listings[id] = listing;

        totalListings = totalListings.add(1);
        emit CreatedUpcoming(listing);

        _withdraw();
        return id;
    }

    function createListingFeatured(bytes32 _dataHash) external override payable returns (uint256) {
        if (msg.sender != owner()) {
            require(msg.value == listingFee.add(featuredFee), "Rarityspace:createListing:: Insufficient funds.");
        }
        
        uint256 id = totalListings;
        Listing memory listing = Listing(id, msg.sender, _dataHash);
        listings[id] = listing;

        totalListings = totalListings.add(1);
        emit CreatedListingFeatured(listing);
        
        _withdraw();
        return id;
    }

    function createUpcomingFeatured(bytes32 _dataHash) external override payable returns (uint256) {
        if (msg.sender != owner()) {
            require(msg.value == upcomingFee.add(featuredFee), "Rarityspace:updateListing:: Insufficient funds.");
        }
        
        uint256 id = totalListings;
        Listing memory listing = Listing(id, msg.sender, _dataHash);
        listings[id] = listing;

        totalListings = totalListings.add(1);
        emit CreatedUpcomingFeatured(listing);

        _withdraw();
        return id;
    }

    function _withdraw() internal {
        withdrawalWallet.transfer(address(this).balance);
    }

    function withdraw() external onlyOwner {
        _withdraw();
    }

    receive() external payable{}
}
// File: contracts/IRarityspaceListing.sol



// SPDX-License-Identifier: No License

pragma solidity ^0.8.4;

interface IRarityspaceListing {
    // STRUCTS
    struct Listing {
        uint256 id;
        address owner;
        bytes32 dataHash;
    }

    // OWNER-ONLY
    function setWithdrawalWallet(address payable _withdrawalWallet) external;
    function setUpcomingFee(uint256 _upcomingFee) external;
    function setListingFee(uint256 _listingFee) external;
    function setFeaturedFee(uint256 _featuredFee) external;

    // VIEW
    function withdrawalWallet() external returns(address payable);
    function upcomingFee() external returns(uint256);
    function listingFee() external returns(uint256);
    function featuredFee() external returns(uint256);
    function totalListings() external returns(uint256);
    function listings(uint256) external returns(uint256, address, bytes32);

    // PUBLIC
    function createListing(bytes32 _dataHash) external payable returns (uint256);
    function createUpcoming(bytes32 _dataHash) external payable returns(uint256);
    function createListingFeatured(bytes32 _dataHash) external payable returns (uint256);
    function createUpcomingFeatured(bytes32 _dataHash) external payable returns(uint256);

    // EVENTS
    event CreatedUpcoming(Listing _listing);
    event CreatedListing(Listing _listing);
    event CreatedUpcomingFeatured(Listing _listing);
    event CreatedListingFeatured(Listing _listing);
    event UpcomingFeeChanged(uint256 _upcomingFee);
    event ListingFeeChanged(uint256 _listingFee);
    event FeaturedFeeChanged(uint256 _featuredFee);
    event WithdrawalWalletChanged(address _withdrawalWallet);
}
// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT

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() {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @openzeppelin/contracts/utils/math/SafeMath.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

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



// SPDX-License-Identifier: MIT

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;
    }
}