contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  address public mintMaster;

  

  //18*10**7*10**17 Crowdsale
  uint256 totalSupply_=18*10**7*10**18;


  
 // uint256 crowdsaleDist_;

  uint256 mintNums_;

  uint256 transferOpenTimes=1534003200;
  uint256 transferCloseTimes=7845350400;


  /**
  * @dev total number of tokens in existence
  */
  function totalSupply() public view returns (uint256) {
    return totalSupply_;
  }



   function totalMintNums() public view returns (uint256) {
        return mintNums_;
   }


//   function totalCrowdSale() public view returns (uint256) {
//         return crowdsaleDist_;
//   }

//   function addCrowdSale(uint256 _value) public {

//       crowdsaleDist_ =  crowdsaleDist_.add(_value);

//   }



  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public returns (bool) {

    if((now>=transferOpenTimes)&&(now<=transferCloseTimes))
    {
      return false;
    }else
    {
    require(_to != address(0));
    address addr = msg.sender;
    require(addr!= address(0));
    //require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
    return true;
  }
  }

  function transferSub(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    address addr = msg.sender;
    require(addr!= address(0));
    //require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
   // balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].sub(_value);
    //emit Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of.
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public view returns (uint256 balance) {
    return balances[_owner];
  }

}
/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
function balanceOf(address _owner) public view returns (uint256 balance) {
  return balances[_owner];
}

/**
 * @dev Gets the balance of the specified address.
 * @param _owner The address to query the the balance of.
 * @return An uint256 representing the amount owned by the passed address.
 */