contract Bixincoin is owned, token {

    uint public buyRate = 4000; // price of one token
    bool public isSelling = true;

    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 Bixincoin(
        uint256 initialSupply,
        string tokenName,
        uint8 decimalUnits,
        string tokenSymbol
    ) public token (initialSupply, tokenName, decimalUnits, tokenSymbol) {}

    /* Send coins */
    function transfer(address _to, uint256 _value) public {
        if (balanceOf[msg.sender] < _value) revert();           // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) revert(); // Check for overflows
        if (frozenAccount[msg.sender]) revert();                // Check if frozen
        balanceOf[msg.sender] -= _value;                     // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        Transfer(msg.sender, _to, _value);                   // Notify anyone listening that this transfer took place
    }

    /* A contract attempts to get the coins */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        if (frozenAccount[_from]) revert();                        // Check if frozen            
        if (balanceOf[_from] < _value) revert();                 // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) revert();  // Check for overflows
        if (_value > allowance[_from][msg.sender]) revert();   // Check allowance
        balanceOf[_from] -= _value;                          // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        allowance[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }

    function mintToken(address target, uint256 mintedAmount) public onlyOwner {
        balanceOf[target] += mintedAmount;
        Transfer(0, owner, mintedAmount);
        Transfer(owner, target, mintedAmount);
    }

    function freezeAccount(address target, bool freeze) public onlyOwner {
        frozenAccount[target] = freeze;
        FrozenFunds(target, freeze);
    }

    function setBuyRate(uint newBuyRate) public onlyOwner {
        buyRate = newBuyRate;
    }
    
    function setSelling(bool newStatus) public onlyOwner {
        isSelling = newStatus;
    }

    function buy() public payable {
        if(isSelling == false) revert();
        uint amount = msg.value * buyRate;                  // calculates the amount
        balanceOf[msg.sender] += amount;                   // adds the amount to buyer's balance
        balanceOf[owner] -= amount;                         // subtracts amount from seller's balance
        Transfer(owner, msg.sender, amount);                // execute an event reflecting the change
    }
    
    function withdrawToOwner(uint256 amountWei) public onlyOwner {
        owner.transfer(amountWei);
    }
}
function Bixincoin(
        uint256 initialSupply,
        string tokenName,
        uint8 decimalUnits,
        string tokenSymbol
    ) public token (initialSupply, tokenName, decimalUnits, tokenSymbol) {}
/* Initializes contract with initial supply tokens to the creator of the contract */