contract MGCToken is AccessControl, TokenERC20 {

	mapping (address => bool) public frozenAccount;

	/* This generates a public event on the blockchain that will notify clients */
	event FrozenFunds(address target, bool frozen);

	/* Initializes contract with initial supply tokens to the creator of the contract */
	function MGCToken() TokenERC20(2000000000, 'Magic Game Chain', 'MGCT') public {}

	/* Internal transfer, only can be called by this contract */
	function _transfer(address _from, address _to, uint _value) internal {
		require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
		require (balanceOf[_from] >= _value);               // Check if the sender has enough
		require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
		require(!frozenAccount[_from]);                     // Check if sender is frozen
		require(!frozenAccount[_to]);                       // Check if recipient is frozen
		balanceOf[_from] -= _value;                         // Subtract from the sender
		balanceOf[_to] += _value;                           // Add the same to the recipient
		Transfer(_from, _to, _value);
	}

	/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
	/// @param target Address to be frozen
	/// @param freeze either to freeze it or not
	function freezeAccount(address target, bool freeze) onlyCEO public {
		frozenAccount[target] = freeze;
		FrozenFunds(target, freeze);
	}
}
/******************************************/
function _transfer(address _from, address _to, uint _value) internal {
	require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
	require (balanceOf[_from] >= _value);               // Check if the sender has enough
	require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
	require(!frozenAccount[_from]);                     // Check if sender is frozen
	require(!frozenAccount[_to]);                       // Check if recipient is frozen
	balanceOf[_from] -= _value;                         // Subtract from the sender
	balanceOf[_to] += _value;                           // Add the same to the recipient
	Transfer(_from, _to, _value);
}

/* Internal transfer, only can be called by this contract */