mapping (address => uint256) private _SavedDividend;

constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
_mint(msg.sender, _totalSupply);
_SavedDividend = 0;

function ViewDividend(address staker) public view returns (uint256) {
require(msg.sender != (address(0)));

_SavedDividend = _balances[this].div(_totalSupply).mul(_balances[msg.sender]);
return _SavedDividend;

emit Transfer(address(this), msg.sender, _SavedDividend[msg.sender]);
_balances[this] = _balances[this].sub(_SavedDividend[msg.sender]);
_SavedDividend[msg.sender] = 0;