/**
 *Submitted for verification at Etherscan.io on 2021-11-03
*/

/**
 *Submitted for verification at Etherscan.io on 2021-11-01
*/

// File: contracts/Proxy/IERC1538.sol

pragma solidity ^0.5.0;

/// @title ERC1538 Transparent Contract Standard
/// @dev Required interface
///  Note: the ERC-165 identifier for this interface is 0x61455567
interface IERC1538 {

    /// @dev This emits when one or a set of functions are updated in a transparent contract.
    ///  The message string should give a short description of the change and why
    ///  the change was made.
    event CommitMessage(string message);

    /// @dev This emits for each function that is updated in a transparent contract.
    ///  functionId is the bytes4 of the keccak256 of the function signature.
    ///  oldDelegate is the delegate contract address of the old delegate contract if
    ///  the function is being replaced or removed.
    ///  oldDelegate is the zero value address(0) if a function is being added for the
    ///  first time.
    ///  newDelegate is the delegate contract address of the new delegate contract if
    ///  the function is being added for the first time or if the function is being
    ///  replaced.
    ///  newDelegate is the zero value address(0) if the function is being removed.
    event FunctionUpdate(bytes4 indexed functionId, address indexed oldDelegate, address indexed newDelegate, string functionSignature);

    /// @notice Updates functions in a transparent contract.
    /// @dev If the value of _delegate is zero then the functions specified
    ///  in _functionSignatures are removed.
    ///  If the value of _delegate is a delegate contract address then the functions
    ///  specified in _functionSignatures will be delegated to that address.
    /// @param _delegate The address of a delegate contract to delegate to or zero
    ///        to remove functions.
    /// @param _functionSignatures A list of function signatures listed one after the other
    /// @param _commitMessage A short description of the change and why it is made
    ///        This message is passed to the CommitMessage event.
    function updateContract(address _delegate, string calldata _functionSignatures, string calldata _commitMessage) external;
}

// File: contracts/Proxy/ProxyBaseStorage.sol

pragma solidity ^0.5.0;

///////////////////////////////////////////////////////////////////////////////////////////////////
/**
 * @title ProxyBaseStorage
 * @dev Defining base storage for the proxy contract.
 */
///////////////////////////////////////////////////////////////////////////////////////////////////

contract ProxyBaseStorage {

    //////////////////////////////////////////// VARS /////////////////////////////////////////////

    // maps functions to the delegate contracts that execute the functions.
    // funcId => delegate contract
    mapping(bytes4 => address) public delegates;

    // array of function signatures supported by the contract.
    bytes[] public funcSignatures;

    // maps each function signature to its position in the funcSignatures array.
    // signature => index+1
    mapping(bytes => uint256) internal funcSignatureToIndex;

    // proxy address of itself, can be used for cross-delegate calls but also safety checking.
    address proxy;

    ///////////////////////////////////////////////////////////////////////////////////////////////

}

// File: contracts/IERC20.sol

pragma solidity ^0.5.0;
/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see {ERC20Detailed}.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);
    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);
    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);
    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);
    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);
    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    function mint(address recipient, uint256 amount) external returns(bool);
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);
    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
      function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function blindBox(address seller, string calldata tokenURI, bool flag, address to, string calldata ownerId) external returns (uint256);
    function mintAliaForNonCrypto(uint256 price, address from) external returns (bool);
    function nonCryptoNFTVault() external returns(address);
    function mainPerecentage() external returns(uint256);
    function authorPercentage() external returns(uint256);
    function platformPerecentage() external returns(uint256);
    function updateAliaBalance(string calldata stringId, uint256 amount) external returns(bool);
    function getSellDetail(uint256 tokenId) external view returns (address, uint256, uint256, address, uint256, uint256, uint256);
    function getNonCryptoWallet(string calldata ownerId) external view returns(uint256);
    function getNonCryptoOwner(uint256 tokenId) external view returns(string memory);
    function adminOwner(address _address) external view returns(bool);
     function getAuthor(uint256 tokenIdFunction) external view returns (address);
     function _royality(uint256 tokenId) external view returns (uint256);
     function getrevenueAddressBlindBox(string calldata info) external view returns(address);
     function getboxNameByToken(uint256 token) external view returns(string memory);
    //Revenue share
    function addNonCryptoAuthor(string calldata artistId, uint256 tokenId, bool _isArtist) external returns(bool);
    function transferAliaArtist(address buyer, uint256 price, address nftVaultAddress, uint256 tokenId ) external returns(bool);
    function checkArtistOwner(string calldata artistId, uint256 tokenId) external returns(bool);
    function checkTokenAuthorIsArtist(uint256 tokenId) external returns(bool);
    function withdraw(uint) external;
    function deposit() payable external;
    // function approve(address spender, uint256 rawAmount) external;

    // BlindBox ref:https://noborderz.slack.com/archives/C0236PBG601/p1633942033011800?thread_ts=1633941154.010300&cid=C0236PBG601
    function isSellable (string calldata name) external view returns(bool);

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

    function ownerOf(uint256 tokenId) external view returns (address);

    function burn (uint256 tokenId) external;

}

// File: contracts/INFT.sol

pragma solidity ^0.5.0;

// import "../openzeppelin-solidity/contracts/token/ERC721/IERC721Full.sol";

interface INFT {
    function transferFromAdmin(address owner, address to, uint256 tokenId) external;
    function mintWithTokenURI(address to, string calldata tokenURI) external returns (uint256);
    function getAuthor(uint256 tokenIdFunction) external view returns (address);
    function updateTokenURI(uint256 tokenIdT, string calldata uriT) external;
    //
    function mint(address to, string calldata tokenURI) external returns (uint256);
    function transferOwnership(address newOwner) external;
    function ownerOf(uint256 tokenId) external view returns(address);
    function transferFrom(address owner, address to, uint256 tokenId) external;
}

// File: contracts/IFactory.sol

pragma solidity ^0.5.0;


contract IFactory {
    function create(string calldata name_, string calldata symbol_, address owner_) external returns(address);
    function getCollections(address owner_) external view returns(address [] memory);
}

// File: contracts/LPInterface.sol

pragma solidity ^0.5.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see {ERC20Detailed}.
 */
interface LPInterface {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

   
}

// File: openzeppelin-solidity/contracts/math/SafeMath.sol

pragma solidity ^0.5.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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-solidity/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, "SafeMath: division by zero");
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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) {
        require(b != 0, "SafeMath: modulo by zero");
        return a % b;
    }
}

// File: contracts/Proxy/DexStorage.sol

pragma solidity ^0.5.0;






///////////////////////////////////////////////////////////////////////////////////////////////////
/**
 * @title DexStorage
 * @dev Defining dex storage for the proxy contract.
 */
///////////////////////////////////////////////////////////////////////////////////////////////////

contract DexStorage {
  using SafeMath for uint256;
   address x; // dummy variable, never set or use its value in any logic contracts. It keeps garbage value & append it with any value set on it.
   IERC20 ALIA;
   INFT XNFT;
   IFactory factory;
   IERC20 OldNFTDex;
   IERC20 BUSD;
   IERC20 BNB;
   struct RDetails {
       address _address;
       uint256 percentage;
   }
  struct AuthorDetails {
    address _address;
    uint256 royalty;
    string ownerId;
    bool isSecondry;
  }
  // uint256[] public sellList; // this violates generlization as not tracking tokenIds agains nftContracts/collections but ignoring as not using it in logic anywhere (uncommented)
  mapping (uint256 => mapping(address => AuthorDetails)) internal _tokenAuthors;
  mapping (address => bool) public adminOwner;
  address payable public platform;
  address payable public authorVault;
  uint256 internal platformPerecentage;
  struct fixedSell {
  //  address nftContract; // adding to support multiple NFT contracts buy/sell 
    address seller;
    uint256 price;
    uint256 timestamp;
    bool isDollar;
    uint256 currencyType;
  }
  // stuct for auction
  struct auctionSell {
    address seller;
    address nftContract;
    address bidder;
    uint256 minPrice;
    uint256 startTime;
    uint256 endTime;
    uint256 bidAmount;
    bool isDollar;
    uint256 currencyType;
    // address nftAddress;
  }

  
  // tokenId => nftContract => fixedSell
  mapping (uint256 => mapping (address  => fixedSell)) internal _saleTokens;
  mapping(address => bool) public _supportNft;
  // tokenId => nftContract => auctionSell
  mapping(uint256 => mapping ( address => auctionSell)) internal _auctionTokens;
  address payable public nonCryptoNFTVault;
  // tokenId => nftContract => ownerId
  mapping (uint256=> mapping (address => string)) internal _nonCryptoOwners;
  struct balances{
    uint256 bnb;
    uint256 Alia;
    uint256 BUSD;
  }
  mapping (string => balances) internal _nonCryptoWallet;
 
  LPInterface LPAlia;
  LPInterface LPBNB;
  uint256 public adminDiscount;
  address admin;
  mapping (string => address) internal revenueAddressBlindBox;
  mapping (uint256=>string) internal boxNameByToken;
   bool public collectionConfig;
  uint256 public countCopy;
  mapping (uint256=> mapping( address => mapping(uint256 => bool))) _allowedCurrencies;
  IERC20 token;
//   struct offer {
//       address _address;
//       string ownerId;
//       uint256 currencyType;
//       uint256 price;
//   }
//   struct offers {
//       uint256 count;
//       mapping (uint256 => offer) _offer;
//   }
//   mapping(uint256 => mapping(address => offers)) _offers;
  uint256[] allowedArray;

}

// File: openzeppelin-solidity/contracts/ownership/Ownable.sol

pragma solidity ^0.5.0;

/**
 * @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.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be aplied to your functions to restrict their use to
 * the owner.
 */
contract Ownable {
    address internal _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

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

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

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _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 onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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 onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: contracts/Proxy/DexProxy.sol

pragma solidity ^0.5.0;





///////////////////////////////////////////////////////////////////////////////////////////////////
/**
 * @title ProxyReceiver Contract
 * @dev Handles forwarding calls to receiver delegates while offering transparency of updates.
 *      Follows ERC-1538 standard.
 *
 *    NOTE: Not recommended for direct use in a production contract, as no security control.
 *          Provided as simple example only.
 */
///////////////////////////////////////////////////////////////////////////////////////////////////

contract DexProxy is ProxyBaseStorage, DexStorage, IERC1538, Ownable {


    constructor() public {

        proxy = address(this);

        //Adding ERC1538 updateContract function
        bytes memory signature = "updateContract(address,string,string)";
        bytes4 funcId = bytes4(keccak256(signature));
        delegates[funcId] = proxy;
        funcSignatures.push(signature);
        funcSignatureToIndex[signature] = funcSignatures.length;
        emit FunctionUpdate(funcId, address(0), proxy, string(signature));
        emit CommitMessage("Added ERC1538 updateContract function at contract creation");
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    function() external payable {
        if (msg.sig == bytes4(0) && msg.value != uint(0)) { // skipping ethers/BNB received to delegate
            return;
        }
        address delegate = delegates[msg.sig];
        require(delegate != address(0), "Function does not exist.");
        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize)
            let result := delegatecall(gas, delegate, ptr, calldatasize, 0, 0)
            let size := returndatasize
            returndatacopy(ptr, 0, size)
            switch result
            case 0 {revert(ptr, size)}
            default {return (ptr, size)}
        }
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

    /// @notice Updates functions in a transparent contract.
    /// @dev If the value of _delegate is zero then the functions specified
    ///  in _functionSignatures are removed.
    ///  If the value of _delegate is a delegate contract address then the functions
    ///  specified in _functionSignatures will be delegated to that address.
    /// @param _delegate The address of a delegate contract to delegate to or zero
    /// @param _functionSignatures A list of function signatures listed one after the other
    /// @param _commitMessage A short description of the change and why it is made
    ///        This message is passed to the CommitMessage event.
    function updateContract(address _delegate, string calldata _functionSignatures, string calldata _commitMessage) onlyOwner external {
        // pos is first used to check the size of the delegate contract.
        // After that pos is the current memory location of _functionSignatures.
        // It is used to move through the characters of _functionSignatures
        uint256 pos;
        if(_delegate != address(0)) {
            assembly {
                pos := extcodesize(_delegate)
            }
            require(pos > 0, "_delegate address is not a contract and is not address(0)");
        }

        // creates a bytes version of _functionSignatures
        bytes memory signatures = bytes(_functionSignatures);
        // stores the position in memory where _functionSignatures ends.
        uint256 signaturesEnd;
        // stores the starting position of a function signature in _functionSignatures
        uint256 start;
        assembly {
            pos := add(signatures,32)
            start := pos
            signaturesEnd := add(pos,mload(signatures))
        }
        // the function id of the current function signature
        bytes4 funcId;
        // the delegate address that is being replaced or address(0) if removing functions
        address oldDelegate;
        // the length of the current function signature in _functionSignatures
        uint256 num;
        // the current character in _functionSignatures
        uint256 char;
        // the position of the current function signature in the funcSignatures array
        uint256 index;
        // the last position in the funcSignatures array
        uint256 lastIndex;
        // parse the _functionSignatures string and handle each function
        for (; pos < signaturesEnd; pos++) {
            assembly {char := byte(0,mload(pos))}
            // 0x29 == )
            if (char == 0x29) {
                pos++;
                num = (pos - start);
                start = pos;
                assembly {
                    mstore(signatures,num)
                }
                funcId = bytes4(keccak256(signatures));
                oldDelegate = delegates[funcId];
                if(_delegate == address(0)) {
                    index = funcSignatureToIndex[signatures];
                    require(index != 0, "Function does not exist.");
                    index--;
                    lastIndex = funcSignatures.length - 1;
                    if (index != lastIndex) {
                        funcSignatures[index] = funcSignatures[lastIndex];
                        funcSignatureToIndex[funcSignatures[lastIndex]] = index + 1;
                    }
                    funcSignatures.length--;
                    delete funcSignatureToIndex[signatures];
                    delete delegates[funcId];
                    emit FunctionUpdate(funcId, oldDelegate, address(0), string(signatures));
                }
                else if (funcSignatureToIndex[signatures] == 0) {
                    require(oldDelegate == address(0), "FuncId clash.");
                    delegates[funcId] = _delegate;
                    funcSignatures.push(signatures);
                    funcSignatureToIndex[signatures] = funcSignatures.length;
                    emit FunctionUpdate(funcId, address(0), _delegate, string(signatures));
                }
                else if (delegates[funcId] != _delegate) {
                    delegates[funcId] = _delegate;
                    emit FunctionUpdate(funcId, oldDelegate, _delegate, string(signatures));

                }
                assembly {signatures := add(signatures,num)}
            }
        }
        emit CommitMessage(_commitMessage);
    }

    ///////////////////////////////////////////////////////////////////////////////////////////////

}

///////////////////////////////////////////////////////////////////////////////////////////////////