contract IxoERC20Token is ERC20, Ownable {
    using SafeMath for uint256;

    address public minter;

    event Mint(address indexed to, uint256 amount);

    mapping(address => uint256) balances;

    mapping (address => mapping (address => uint256)) internal allowed;

    string public name = "IXO Token"; 
    string public symbol = "IXO";
    uint public decimals = 8;
    uint public CAP = 10000000000 * (10 ** decimals); // 10,000,000,000

    uint256 totalSupply_;

    modifier hasMintPermission() {
        require(msg.sender == minter, "Permission denied");
        _;
    }

    /**
    * @dev Changes the current minter to a newMinter.
    * @param _newMinter The address to grant minting permission.
    */
    function setMinter(address _newMinter) public onlyOwner {
        _setMinter(_newMinter);
    }

    /**
    * @dev Transfers control of minting tokens to a newMinter.
    * @param _newMinter The address to transfer minting permission.
    */
    function _setMinter(address _newMinter) internal {
        minter = _newMinter;
    }

    /**
    * @dev Function to mint tokens
    * @param _to The address that will receive the minted tokens.
    * @param _amount The amount of tokens to mint.
    * @return A boolean that indicates if the operation was successful.
    */
    function mint(
        address _to,
        uint256 _amount
        )
    public hasMintPermission returns (bool)
    {
        require(totalSupply_.add(_amount) <= CAP, "Exceeds cap");

        totalSupply_ = totalSupply_.add(_amount);
        balances[_to] = balances[_to].add(_amount);

        emit Mint(_to, _amount);
        emit Transfer(address(0), _to, _amount);
				
        return true;
    }

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

  /**
  * @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) {
        return balances[_owner];
    }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
    function allowance(
        address _owner,
        address _spender
    )
    public view returns (uint256)
    {
        return allowed[_owner][_spender];
    }

  /**
  * @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) {
        require(_value <= balances[msg.sender], "Not enough funds");
        require(_to != address(0), "Can't transfer to 0x0");

        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
        return true;
    }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
    function approve(address _spender, uint256 _value) public returns (bool) {
        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }

  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
    function transferFrom(
        address _from,
        address _to,
        uint256 _value
    )
    public returns (bool)
    {
        require(_value <= balances[_from], "Not enough funds");
        require(_value <= allowed[_from][msg.sender], "Not approved");
        require(_to != address(0), "Can't transfer to 0x0");

        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
        emit Transfer(_from, _to, _value);
        return true;
    }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
    function increaseApproval(
        address _spender,
        uint256 _addedValue
    )
    public
    returns (bool)
    {
        allowed[msg.sender][_spender] = (
            allowed[msg.sender][_spender].add(_addedValue));
        emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
    }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
    function decreaseApproval(
        address _spender,
        uint256 _subtractedValue
    )
    public
    returns (bool)
    {
        uint256 oldValue = allowed[msg.sender][_spender];
        if (_subtractedValue >= oldValue) {
            allowed[msg.sender][_spender] = 0;
        } else {
            allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
        }
        emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
    }

}
function totalSupply() public view returns (uint256) {
    return totalSupply_;
}

/**
 * @dev Total number of tokens in existence
 */