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/**
 *Submitted for verification at Etherscan.io on 2018-05-08
*/

pragma solidity ^0.4.20;

/// @title ERC-165 Standard Interface Detection
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
interface ERC165 {
    function supportsInterface(bytes4 interfaceID) external view returns (bool);
}

/// @title ERC-721 Non-Fungible Token Standard
/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md
contract ERC721 is ERC165 {
    event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
    event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);
    event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
    function balanceOf(address _owner) external view returns (uint256);
    function ownerOf(uint256 _tokenId) external view returns (address);
    function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) external;
    function safeTransferFrom(address _from, address _to, uint256 _tokenId) external;
    function transferFrom(address _from, address _to, uint256 _tokenId) external;
    function approve(address _approved, uint256 _tokenId) external;
    function setApprovalForAll(address _operator, bool _approved) external;
    function getApproved(uint256 _tokenId) external view returns (address);
    function isApprovedForAll(address _owner, address _operator) external view returns (bool);
}

/// @title ERC-721 Non-Fungible Token Standard
interface ERC721TokenReceiver {
	function onERC721Received(address _from, uint256 _tokenId, bytes data) external returns(bytes4);
}

/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension
interface ERC721Metadata /* is ERC721 */ {
    function name() external pure returns (string _name);
    function symbol() external pure returns (string _symbol);
    function tokenURI(uint256 _tokenId) external view returns (string);
}

/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
interface ERC721Enumerable /* is ERC721 */ {
    function totalSupply() external view returns (uint256);
    function tokenByIndex(uint256 _index) external view returns (uint256);
    function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);
}

contract AccessAdmin {
    bool public isPaused = false;
    address public addrAdmin;  

    event AdminTransferred(address indexed preAdmin, address indexed newAdmin);

    function AccessAdmin() public {
        addrAdmin = msg.sender;
    }  


    modifier onlyAdmin() {
        require(msg.sender == addrAdmin);
        _;
    }

    modifier whenNotPaused() {
        require(!isPaused);
        _;
    }

    modifier whenPaused {
        require(isPaused);
        _;
    }

    function setAdmin(address _newAdmin) external onlyAdmin {
        require(_newAdmin != address(0));
        AdminTransferred(addrAdmin, _newAdmin);
        addrAdmin = _newAdmin;
    }

    function doPause() external onlyAdmin whenNotPaused {
        isPaused = true;
    }

    function doUnpause() external onlyAdmin whenPaused {
        isPaused = false;
    }
}

contract AccessService is AccessAdmin {
    address public addrService;
    address public addrFinance;

    modifier onlyService() {
        require(msg.sender == addrService);
        _;
    }

    modifier onlyFinance() {
        require(msg.sender == addrFinance);
        _;
    }

    function setService(address _newService) external {
        require(msg.sender == addrService || msg.sender == addrAdmin);
        require(_newService != address(0));
        addrService = _newService;
    }

    function setFinance(address _newFinance) external {
        require(msg.sender == addrFinance || msg.sender == addrAdmin);
        require(_newFinance != address(0));
        addrFinance = _newFinance;
    }

    function withdraw(address _target, uint256 _amount) 
        external 
    {
        require(msg.sender == addrFinance || msg.sender == addrAdmin);
        require(_amount > 0);
        address receiver = _target == address(0) ? addrFinance : _target;
        uint256 balance = this.balance;
        if (_amount < balance) {
            receiver.transfer(_amount);
        } else {
            receiver.transfer(this.balance);
        }      
    }
}

contract WarToken is ERC721, AccessAdmin {
    /// @dev The equipment info
    struct Fashion {
        uint16 protoId;     // 0  Equipment ID
        uint16 quality;     // 1  Rarity: 1 Coarse/2 Good/3 Rare/4 Epic/5 Legendary
        uint16 pos;         // 2  Slots: 1 Weapon/2 Hat/3 Cloth/4 Pant/5 Shoes/9 Pets
        uint16 health;      // 3  Health
        uint16 atkMin;      // 4  Min attack
        uint16 atkMax;      // 5  Max attack
        uint16 defence;     // 6  Defennse
        uint16 crit;        // 7  Critical rate
        uint16 isPercent;   // 8  Attr value type
        uint16 attrExt1;    // 9  future stat 1
        uint16 attrExt2;    // 10 future stat 2
        uint16 attrExt3;    // 11 future stat 3
    }

    /// @dev All equipments tokenArray (not exceeding 2^32-1)
    Fashion[] public fashionArray;

    /// @dev Amount of tokens destroyed
    uint256 destroyFashionCount;

    /// @dev Equipment token ID vs owner address
    mapping (uint256 => address) fashionIdToOwner;

    /// @dev Equipments owner by the owner (array)
    mapping (address => uint256[]) ownerToFashionArray;

    /// @dev Equipment token ID search in owner array
    mapping (uint256 => uint256) fashionIdToOwnerIndex;

    /// @dev The authorized address for each WAR
    mapping (uint256 => address) fashionIdToApprovals;

    /// @dev The authorized operators for each address
    mapping (address => mapping (address => bool)) operatorToApprovals;

    /// @dev Trust contract
    mapping (address => bool) actionContracts;

    function setActionContract(address _actionAddr, bool _useful) external onlyAdmin {
        actionContracts[_actionAddr] = _useful;
    }

    function getActionContract(address _actionAddr) external view onlyAdmin returns(bool) {
        return actionContracts[_actionAddr];
    }

    /// @dev This emits when the approved address for an WAR is changed or reaffirmed.
    event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);

    /// @dev This emits when an operator is enabled or disabled for an owner.
    event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);

    /// @dev This emits when the equipment ownership changed 
    event Transfer(address indexed from, address indexed to, uint256 tokenId);

    /// @dev This emits when the equipment created
    event CreateFashion(address indexed owner, uint256 tokenId, uint16 protoId, uint16 quality, uint16 pos, uint16 createType);

    /// @dev This emits when the equipment's attributes changed
    event ChangeFashion(address indexed owner, uint256 tokenId, uint16 changeType);

    /// @dev This emits when the equipment destroyed
    event DeleteFashion(address indexed owner, uint256 tokenId, uint16 deleteType);
    
    function WarToken() public {
        addrAdmin = msg.sender;
        fashionArray.length += 1;
    }

    // modifier
    /// @dev Check if token ID is valid
    modifier isValidToken(uint256 _tokenId) {
        require(_tokenId >= 1 && _tokenId <= fashionArray.length);
        require(fashionIdToOwner[_tokenId] != address(0)); 
        _;
    }

    modifier canTransfer(uint256 _tokenId) {
        address owner = fashionIdToOwner[_tokenId];
        require(msg.sender == owner || msg.sender == fashionIdToApprovals[_tokenId] || operatorToApprovals[owner][msg.sender]);
        _;
    }

    // ERC721
    function supportsInterface(bytes4 _interfaceId) external view returns(bool) {
        // ERC165 || ERC721 || ERC165^ERC721
        return (_interfaceId == 0x01ffc9a7 || _interfaceId == 0x80ac58cd || _interfaceId == 0x8153916a) && (_interfaceId != 0xffffffff);
    }
        
    function name() public pure returns(string) {
        return "WAR Token";
    }

    function symbol() public pure returns(string) {
        return "WAR";
    }

    /// @dev Search for token quantity address
    /// @param _owner Address that needs to be searched
    /// @return Returns token quantity
    function balanceOf(address _owner) external view returns(uint256) {
        require(_owner != address(0));
        return ownerToFashionArray[_owner].length;
    }

    /// @dev Find the owner of an WAR
    /// @param _tokenId The tokenId of WAR
    /// @return Give The address of the owner of this WAR
    function ownerOf(uint256 _tokenId) external view /*isValidToken(_tokenId)*/ returns (address owner) {
        return fashionIdToOwner[_tokenId];
    }

    /// @dev Transfers the ownership of an WAR from one address to another address
    /// @param _from The current owner of the WAR
    /// @param _to The new owner
    /// @param _tokenId The WAR to transfer
    /// @param data Additional data with no specified format, sent in call to `_to`
    function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) 
        external
        whenNotPaused
    {
        _safeTransferFrom(_from, _to, _tokenId, data);
    }

    /// @dev Transfers the ownership of an WAR from one address to another address
    /// @param _from The current owner of the WAR
    /// @param _to The new owner
    /// @param _tokenId The WAR to transfer
    function safeTransferFrom(address _from, address _to, uint256 _tokenId) 
        external
        whenNotPaused
    {
        _safeTransferFrom(_from, _to, _tokenId, "");
    }

    /// @dev Transfer ownership of an WAR, '_to' must be a vaild address, or the WAR will lost
    /// @param _from The current owner of the WAR
    /// @param _to The new owner
    /// @param _tokenId The WAR to transfer
    function transferFrom(address _from, address _to, uint256 _tokenId)
        external
        whenNotPaused
        isValidToken(_tokenId)
        canTransfer(_tokenId)
    {
        address owner = fashionIdToOwner[_tokenId];
        require(owner != address(0));
        require(_to != address(0));
        require(owner == _from);
        
        _transfer(_from, _to, _tokenId);
    }

    /// @dev Set or reaffirm the approved address for an WAR
    /// @param _approved The new approved WAR controller
    /// @param _tokenId The WAR to approve
    function approve(address _approved, uint256 _tokenId)
        external
        whenNotPaused
    {
        address owner = fashionIdToOwner[_tokenId];
        require(owner != address(0));
        require(msg.sender == owner || operatorToApprovals[owner][msg.sender]);

        fashionIdToApprovals[_tokenId] = _approved;
        Approval(owner, _approved, _tokenId);
    }

    /// @dev Enable or disable approval for a third party ("operator") to manage all your asset.
    /// @param _operator Address to add to the set of authorized operators.
    /// @param _approved True if the operators is approved, false to revoke approval
    function setApprovalForAll(address _operator, bool _approved) 
        external 
        whenNotPaused
    {
        operatorToApprovals[msg.sender][_operator] = _approved;
        ApprovalForAll(msg.sender, _operator, _approved);
    }

    /// @dev Get the approved address for a single WAR
    /// @param _tokenId The WAR to find the approved address for
    /// @return The approved address for this WAR, or the zero address if there is none
    function getApproved(uint256 _tokenId) external view isValidToken(_tokenId) returns (address) {
        return fashionIdToApprovals[_tokenId];
    }

    /// @dev Query if an address is an authorized operator for another address
    /// @param _owner The address that owns the WARs
    /// @param _operator The address that acts on behalf of the owner
    /// @return True if `_operator` is an approved operator for `_owner`, false otherwise
    function isApprovedForAll(address _owner, address _operator) external view returns (bool) {
        return operatorToApprovals[_owner][_operator];
    }

    /// @dev Count WARs tracked by this contract
    /// @return A count of valid WARs tracked by this contract, where each one of
    ///  them has an assigned and queryable owner not equal to the zero address
    function totalSupply() external view returns (uint256) {
        return fashionArray.length - destroyFashionCount - 1;
    }

    /// @dev Do the real transfer with out any condition checking
    /// @param _from The old owner of this WAR(If created: 0x0)
    /// @param _to The new owner of this WAR 
    /// @param _tokenId The tokenId of the WAR
    function _transfer(address _from, address _to, uint256 _tokenId) internal {
        if (_from != address(0)) {
            uint256 indexFrom = fashionIdToOwnerIndex[_tokenId];
            uint256[] storage fsArray = ownerToFashionArray[_from];
            require(fsArray[indexFrom] == _tokenId);

            // If the WAR is not the element of array, change it to with the last
            if (indexFrom != fsArray.length - 1) {
                uint256 lastTokenId = fsArray[fsArray.length - 1];
                fsArray[indexFrom] = lastTokenId; 
                fashionIdToOwnerIndex[lastTokenId] = indexFrom;
            }
            fsArray.length -= 1; 
            
            if (fashionIdToApprovals[_tokenId] != address(0)) {
                delete fashionIdToApprovals[_tokenId];
            }      
        }

        // Give the WAR to '_to'
        fashionIdToOwner[_tokenId] = _to;
        ownerToFashionArray[_to].push(_tokenId);
        fashionIdToOwnerIndex[_tokenId] = ownerToFashionArray[_to].length - 1;
        
        Transfer(_from != address(0) ? _from : this, _to, _tokenId);
    }

    /// @dev Actually perform the safeTransferFrom
    function _safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) 
        internal
        isValidToken(_tokenId) 
        canTransfer(_tokenId)
    {
        address owner = fashionIdToOwner[_tokenId];
        require(owner != address(0));
        require(_to != address(0));
        require(owner == _from);
        
        _transfer(_from, _to, _tokenId);

        // Do the callback after everything is done to avoid reentrancy attack
        uint256 codeSize;
        assembly { codeSize := extcodesize(_to) }
        if (codeSize == 0) {
            return;
        }
        bytes4 retval = ERC721TokenReceiver(_to).onERC721Received(_from, _tokenId, data);
        // bytes4(keccak256("onERC721Received(address,uint256,bytes)")) = 0xf0b9e5ba;
        require(retval == 0xf0b9e5ba);
    }

    //----------------------------------------------------------------------------------------------------------

    /// @dev Equipment creation
    /// @param _owner Owner of the equipment created
    /// @param _attrs Attributes of the equipment created
    /// @return Token ID of the equipment created
    function createFashion(address _owner, uint16[9] _attrs, uint16 _createType) 
        external 
        whenNotPaused
        returns(uint256)
    {
        require(actionContracts[msg.sender]);
        require(_owner != address(0));

        uint256 newFashionId = fashionArray.length;
        require(newFashionId < 4294967296);

        fashionArray.length += 1;
        Fashion storage fs = fashionArray[newFashionId];
        fs.protoId = _attrs[0];
        fs.quality = _attrs[1];
        fs.pos = _attrs[2];
        if (_attrs[3] != 0) {
            fs.health = _attrs[3];
        }
        
        if (_attrs[4] != 0) {
            fs.atkMin = _attrs[4];
            fs.atkMax = _attrs[5];
        }
       
        if (_attrs[6] != 0) {
            fs.defence = _attrs[6];
        }
        
        if (_attrs[7] != 0) {
            fs.crit = _attrs[7];
        }

        if (_attrs[8] != 0) {
            fs.isPercent = _attrs[8];
        }
        
        _transfer(0, _owner, newFashionId);
        CreateFashion(_owner, newFashionId, _attrs[0], _attrs[1], _attrs[2], _createType);
        return newFashionId;
    }

    /// @dev One specific attribute of the equipment modified
    function _changeAttrByIndex(Fashion storage _fs, uint16 _index, uint16 _val) internal {
        if (_index == 3) {
            _fs.health = _val;
        } else if(_index == 4) {
            _fs.atkMin = _val;
        } else if(_index == 5) {
            _fs.atkMax = _val;
        } else if(_index == 6) {
            _fs.defence = _val;
        } else if(_index == 7) {
            _fs.crit = _val;
        } else if(_index == 9) {
            _fs.attrExt1 = _val;
        } else if(_index == 10) {
            _fs.attrExt2 = _val;
        } else if(_index == 11) {
            _fs.attrExt3 = _val;
        }
    }

    /// @dev Equiment attributes modified (max 4 stats modified)
    /// @param _tokenId Equipment Token ID
    /// @param _idxArray Stats order that must be modified
    /// @param _params Stat value that must be modified
    /// @param _changeType Modification type such as enhance, socket, etc.
    function changeFashionAttr(uint256 _tokenId, uint16[4] _idxArray, uint16[4] _params, uint16 _changeType) 
        external 
        whenNotPaused
        isValidToken(_tokenId) 
    {
        require(actionContracts[msg.sender]);

        Fashion storage fs = fashionArray[_tokenId];
        if (_idxArray[0] > 0) {
            _changeAttrByIndex(fs, _idxArray[0], _params[0]);
        }

        if (_idxArray[1] > 0) {
            _changeAttrByIndex(fs, _idxArray[1], _params[1]);
        }

        if (_idxArray[2] > 0) {
            _changeAttrByIndex(fs, _idxArray[2], _params[2]);
        }

        if (_idxArray[3] > 0) {
            _changeAttrByIndex(fs, _idxArray[3], _params[3]);
        }

        ChangeFashion(fashionIdToOwner[_tokenId], _tokenId, _changeType);
    }

    /// @dev Equipment destruction
    /// @param _tokenId Equipment Token ID
    /// @param _deleteType Destruction type, such as craft
    function destroyFashion(uint256 _tokenId, uint16 _deleteType)
        external 
        whenNotPaused
        isValidToken(_tokenId) 
    {
        require(actionContracts[msg.sender]);

        address _from = fashionIdToOwner[_tokenId];
        uint256 indexFrom = fashionIdToOwnerIndex[_tokenId];
        uint256[] storage fsArray = ownerToFashionArray[_from]; 
        require(fsArray[indexFrom] == _tokenId);

        if (indexFrom != fsArray.length - 1) {
            uint256 lastTokenId = fsArray[fsArray.length - 1];
            fsArray[indexFrom] = lastTokenId; 
            fashionIdToOwnerIndex[lastTokenId] = indexFrom;
        }
        fsArray.length -= 1; 

        fashionIdToOwner[_tokenId] = address(0);
        delete fashionIdToOwnerIndex[_tokenId];
        destroyFashionCount += 1;

        Transfer(_from, 0, _tokenId);

        DeleteFashion(_from, _tokenId, _deleteType);
    }

    /// @dev Safe transfer by trust contracts
    function safeTransferByContract(uint256 _tokenId, address _to) 
        external
        whenNotPaused
    {
        require(actionContracts[msg.sender]);

        require(_tokenId >= 1 && _tokenId <= fashionArray.length);
        address owner = fashionIdToOwner[_tokenId];
        require(owner != address(0));
        require(_to != address(0));
        require(owner != _to);

        _transfer(owner, _to, _tokenId);
    }

    //----------------------------------------------------------------------------------------------------------

    /// @dev Get fashion attrs by tokenId
    function getFashion(uint256 _tokenId) external view isValidToken(_tokenId) returns (uint16[12] datas) {
        Fashion storage fs = fashionArray[_tokenId];
        datas[0] = fs.protoId;
        datas[1] = fs.quality;
        datas[2] = fs.pos;
        datas[3] = fs.health;
        datas[4] = fs.atkMin;
        datas[5] = fs.atkMax;
        datas[6] = fs.defence;
        datas[7] = fs.crit;
        datas[8] = fs.isPercent;
        datas[9] = fs.attrExt1;
        datas[10] = fs.attrExt2;
        datas[11] = fs.attrExt3;
    }

    /// @dev Get tokenIds and flags by owner
    function getOwnFashions(address _owner) external view returns(uint256[] tokens, uint32[] flags) {
        require(_owner != address(0));
        uint256[] storage fsArray = ownerToFashionArray[_owner];
        uint256 length = fsArray.length;
        tokens = new uint256[](length);
        flags = new uint32[](length);
        for (uint256 i = 0; i < length; ++i) {
            tokens[i] = fsArray[i];
            Fashion storage fs = fashionArray[fsArray[i]];
            flags[i] = uint32(uint32(fs.protoId) * 100 + uint32(fs.quality) * 10 + fs.pos);
        }
    }

    /// @dev WAR token info returned based on Token ID transfered (64 at most)
    function getFashionsAttrs(uint256[] _tokens) external view returns(uint16[] attrs) {
        uint256 length = _tokens.length;
        require(length <= 64);
        attrs = new uint16[](length * 11);
        uint256 tokenId;
        uint256 index;
        for (uint256 i = 0; i < length; ++i) {
            tokenId = _tokens[i];
            if (fashionIdToOwner[tokenId] != address(0)) {
                index = i * 11;
                Fashion storage fs = fashionArray[tokenId];
                attrs[index] = fs.health;
                attrs[index + 1] = fs.atkMin;
                attrs[index + 2] = fs.atkMax;
                attrs[index + 3] = fs.defence;
                attrs[index + 4] = fs.crit;
                attrs[index + 5] = fs.isPercent;
                attrs[index + 6] = fs.attrExt1;
                attrs[index + 7] = fs.attrExt2;
                attrs[index + 8] = fs.attrExt3;
            }   
        }
    }
}

/// This Random is inspired by https://github.com/axiomzen/eth-random
contract Random {
    uint256 _seed;

    function _rand() internal returns (uint256) {
        _seed = uint256(keccak256(_seed, block.blockhash(block.number - 1), block.coinbase, block.difficulty));
        return _seed;
    }

    function _randBySeed(uint256 _outSeed) internal view returns (uint256) {
        return uint256(keccak256(_outSeed, block.blockhash(block.number - 1), block.coinbase, block.difficulty));
    }

    /*
    function _randByRange(uint256 _min, uint256 _max) internal returns (uint256) {
        if (_min >= _max) {
            return _min;
        }
        return (_rand() % (_max - _min)) + _min;
    }

    function _rankByNumber(uint256 _max) internal returns (uint256) {
        return _rand() % _max;
    }
    */
}

interface IDataMining {
    function getRecommender(address _target) external view returns(address);
    function subFreeMineral(address _target) external returns(bool);
}

interface IDataEquip {
    function isEquiped(address _target, uint256 _tokenId) external view returns(bool);
    function isEquipedAny2(address _target, uint256 _tokenId1, uint256 _tokenId2) external view returns(bool);
    function isEquipedAny3(address _target, uint256 _tokenId1, uint256 _tokenId2, uint256 _tokenId3) external view returns(bool);
}

interface IDataAuction {
    function isOnSaleAny2(uint256 _tokenId1, uint256 _tokenId2) external view returns(bool);
    function isOnSaleAny3(uint256 _tokenId1, uint256 _tokenId2, uint256 _tokenId3) external view returns(bool);
}

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
    /**
    * @dev Multiplies two numbers, throws on overflow.
    */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        assert(c / a == b);
        return c;
    }

    /**
    * @dev Integer division of two numbers, truncating the quotient.
    */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    /**
    * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
    */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    /**
    * @dev Adds two numbers, throws on overflow.
    */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }
}

contract ActionCompose is Random, AccessService {
    using SafeMath for uint256;

    event ComposeSuccess(address indexed owner, uint256 tokenId, uint16 protoId, uint16 quality, uint16 pos);
    
    /// @dev If the recommender can get reward 
    bool isRecommendOpen;
    /// @dev Auction contract address
    IDataAuction public auctionContract;
    /// @dev DataEquip contract address
    IDataEquip public equipContract;
    /// @dev WarToken(NFT) contract address
    WarToken public tokenContract;

    function ActionCompose(address _nftAddr) public {
        addrAdmin = msg.sender;
        addrService = msg.sender;
        addrFinance = msg.sender;

        tokenContract = WarToken(_nftAddr);
    }

    function() external payable {

    }

    function setRecommendStatus(bool _isOpen) external onlyAdmin {
        require(_isOpen != isRecommendOpen);
        isRecommendOpen = _isOpen;
    }

    function setDataAuction(address _addr) external onlyAdmin {
        require(_addr != address(0));
        auctionContract = IDataAuction(_addr);
    }

    function setDataEquip(address _addr) external onlyAdmin {
        require(_addr != address(0));
        equipContract = IDataEquip(_addr);
    }

    function _getFashionParam(uint256 _seed, uint16 _protoId, uint16 _quality, uint16 _pos) internal pure returns(uint16[9] attrs) {
        uint256 curSeed = _seed;
        attrs[0] = _protoId;
        attrs[1] = _quality;
        attrs[2] = _pos;

        uint16 qtyParam = 0;
        if (_quality <= 3) {
            qtyParam = _quality - 1;
        } else if (_quality == 4) {
            qtyParam = 4;
        } else if (_quality == 5) {
            qtyParam = 6;
        }

        // 生成属性
        uint256 rdm = _protoId % 3;

        curSeed /= 10000;
        uint256 tmpVal = (curSeed % 10000) % 21 + 90;

        // 武器1/帽子2/衣服3/裤子4/鞋子5
        if (rdm == 0) {
            if (_pos == 1) {
                uint256 attr = (200 + qtyParam * 200) * tmpVal / 100;              // 武器+atk
                attrs[4] = uint16(attr * 40 / 100);
                attrs[5] = uint16(attr * 160 / 100);
            } else if (_pos == 2) {
                attrs[6] = uint16((40 + qtyParam * 40) * tmpVal / 100);            // 帽子+def
            } else if (_pos == 3) {
                attrs[3] = uint16((600 + qtyParam * 600) * tmpVal / 100);          // 衣服+hp
            } else if (_pos == 4) {
                attrs[6] = uint16((60 + qtyParam * 60) * tmpVal / 100);            // 裤子+def
            } else {
                attrs[3] = uint16((400 + qtyParam * 400) * tmpVal / 100);          // 鞋子+hp
            }
        } else if (rdm == 1) {
            if (_pos == 1) {
                uint256 attr2 = (190 + qtyParam * 190) * tmpVal / 100;              // 武器+atk
                attrs[4] = uint16(attr2 * 50 / 100);
                attrs[5] = uint16(attr2 * 150 / 100);
            } else if (_pos == 2) {
                attrs[6] = uint16((42 + qtyParam * 42) * tmpVal / 100);            // 帽子+def
            } else if (_pos == 3) {
                attrs[3] = uint16((630 + qtyParam * 630) * tmpVal / 100);          // 衣服+hp
            } else if (_pos == 4) {
                attrs[6] = uint16((63 + qtyParam * 63) * tmpVal / 100);            // 裤子+def
            } else {
                attrs[3] = uint16((420 + qtyParam * 420) * tmpVal / 100);          // 鞋子+hp
            }
        } else {
            if (_pos == 1) {
                uint256 attr3 = (210 + qtyParam * 210) * tmpVal / 100;             // 武器+atk
                attrs[4] = uint16(attr3 * 30 / 100);
                attrs[5] = uint16(attr3 * 170 / 100);
            } else if (_pos == 2) {
                attrs[6] = uint16((38 + qtyParam * 38) * tmpVal / 100);            // 帽子+def
            } else if (_pos == 3) {
                attrs[3] = uint16((570 + qtyParam * 570) * tmpVal / 100);          // 衣服+hp
            } else if (_pos == 4) {
                attrs[6] = uint16((57 + qtyParam * 57) * tmpVal / 100);            // 裤子+def
            } else {
                attrs[3] = uint16((380 + qtyParam * 380) * tmpVal / 100);          // 鞋子+hp
            }
        }
        attrs[8] = 0;
    }

    // gas 210019
    function lowCompose(uint256 token1, uint256 token2) 
        external
        whenNotPaused
    {
        require(tokenContract.ownerOf(token1) == msg.sender);
        require(tokenContract.ownerOf(token2) == msg.sender);
        require(!equipContract.isEquipedAny2(msg.sender, token1, token2));

        if (address(auctionContract) != address(0)) {
            require(!auctionContract.isOnSaleAny2(token1, token2));
        }

        tokenContract.ownerOf(token1);

        uint16 protoId;
        uint16 quality;
        uint16 pos; 
        uint16[12] memory fashionData = tokenContract.getFashion(token1);
        protoId = fashionData[0];
        quality = fashionData[1];
        pos = fashionData[2];

        require(quality == 1 || quality == 2); 

        fashionData = tokenContract.getFashion(token2);
        require(protoId == fashionData[0]);
        require(quality == fashionData[1]);
        require(pos == fashionData[2]);

        uint256 seed = _rand();
        uint16[9] memory attrs = _getFashionParam(seed, protoId, quality + 1, pos);

        tokenContract.destroyFashion(token1, 1);
        tokenContract.destroyFashion(token2, 1);

        uint256 newTokenId = tokenContract.createFashion(msg.sender, attrs, 3);

        ComposeSuccess(msg.sender, newTokenId, attrs[0], attrs[1], attrs[2]);
    }

    // gas 198125
    function highCompose(uint256 token1, uint256 token2, uint256 token3) 
        external
        whenNotPaused
    {
        require(tokenContract.ownerOf(token1) == msg.sender);
        require(tokenContract.ownerOf(token2) == msg.sender);
        require(tokenContract.ownerOf(token3) == msg.sender);
        require(!equipContract.isEquipedAny3(msg.sender, token1, token2, token3));

        if (address(auctionContract) != address(0)) {
            require(!auctionContract.isOnSaleAny3(token1, token2, token3));
        }

        uint16 protoId;
        uint16 quality;
        uint16 pos; 
        uint16[12] memory fashionData = tokenContract.getFashion(token1);
        protoId = fashionData[0];
        quality = fashionData[1];
        pos = fashionData[2];

        require(quality == 3 || quality == 4);       

        fashionData = tokenContract.getFashion(token2);
        require(protoId == fashionData[0]);
        require(quality == fashionData[1]);
        require(pos == fashionData[2]);

        fashionData = tokenContract.getFashion(token3);
        require(protoId == fashionData[0]);
        require(quality == fashionData[1]);
        require(pos == fashionData[2]);

        uint256 seed = _rand();
        uint16[9] memory attrs = _getFashionParam(seed, protoId, quality + 1, pos);

        tokenContract.destroyFashion(token1, 1);
        tokenContract.destroyFashion(token2, 1);
        tokenContract.destroyFashion(token3, 1);

        uint256 newTokenId = tokenContract.createFashion(msg.sender, attrs, 4);

        ComposeSuccess(msg.sender, newTokenId, attrs[0], attrs[1], attrs[2]);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"auctionContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"setDataAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"doUnpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"tokenContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"doPause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newAdmin","type":"address"}],"name":"setAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"addrFinance","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"token1","type":"uint256"},{"name":"token2","type":"uint256"},{"name":"token3","type":"uint256"}],"name":"highCompose","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"token1","type":"uint256"},{"name":"token2","type":"uint256"}],"name":"lowCompose","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newFinance","type":"address"}],"name":"setFinance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isPaused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"setDataEquip","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newService","type":"address"}],"name":"setService","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"addrAdmin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"equipContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"addrService","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_isOpen","type":"bool"}],"name":"setRecommendStatus","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_target","type":"address"},{"name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_nftAddr","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":false,"name":"tokenId","type":"uint256"},{"indexed":false,"name":"protoId","type":"uint16"},{"indexed":false,"name":"quality","type":"uint16"},{"indexed":false,"name":"pos","type":"uint16"}],"name":"ComposeSuccess","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"preAdmin","type":"address"},{"indexed":true,"name":"newAdmin","type":"address"}],"name":"AdminTransferred","type":"event"}]

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000000000000000000000000da9c03dfd4d137f926c3cf6953cb951832eb08b2

-----Decoded View---------------
Arg [0] : _nftAddr (address): 0xDA9c03dFd4D137F926c3cF6953cb951832Eb08b2

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000da9c03dfd4d137f926c3cf6953cb951832eb08b2

bzzr://870d4f8b38cb094d4a112a1723daaccbdaa9341fb183085efc03ad05d34b73b4