contract BatchTransferWallet is Ownable {
    using SafeMath for uint256;
    ERC20BasicInterface public token;

    event LogWithdrawal(address indexed receiver, uint amount);

    // constructor
    constructor(address _tokenAddress) public {
        token = ERC20BasicInterface(_tokenAddress);
    }

    /**
    * @dev Send token to multiple address
    * @param _investors The addresses of EOA that can receive token from this contract.
    * @param _tokenAmounts The values of token are sent from this contract.
    */
    function batchTransfer(address[] _investors, uint256[] _tokenAmounts) public onlyOwner {
        if (_investors.length != _tokenAmounts.length || _investors.length == 0) {
            revert();
        }

        uint decimalsForCalc = 10 ** uint256(token.decimals());

        for (uint i = 0; i < _investors.length; i++) {
            require(_tokenAmounts[i] > 0 && _investors[i] != 0x0);
            _tokenAmounts[i] = _tokenAmounts[i].mul(decimalsForCalc);
            require(token.transfer(_investors[i], _tokenAmounts[i]));
        }
    }

    /**
    * @dev Withdraw the amount of token that is remaining in this contract.
    * @param _address The address of EOA that can receive token from this contract.
    */
    function withdraw(address _address) public onlyOwner {
        uint tokenBalanceOfContract = token.balanceOf(this);

        require(_address != address(0) && tokenBalanceOfContract > 0);
        require(token.transfer(_address, tokenBalanceOfContract));
        emit LogWithdrawal(_address, tokenBalanceOfContract);
    }

    /**
    * @dev return token balance this contract has
    * @return _address token balance this contract has.
    */
    function balanceOfContract() public view returns (uint) {
        return token.balanceOf(this);
    }
}
function balanceOfContract() public view returns (uint) {
        return token.balanceOf(this);
    }
/**
 * @dev return token balance this contract has
 * @return _address token balance this contract has.
 */