contract TokenBOSC is owned, TokenERC20 {

    uint256 public buyPrice=2000;   
    uint256 public sellPrice=2500;     
    uint public minBalanceForAccounts;
    uint256 linitialSupply=428679360;
    string ltokenName="BOSCToken";
    string ltokenSymbol="BOSC";
    

    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 */
    constructor() TokenERC20(linitialSupply, ltokenName, ltokenSymbol) public {
    }

    /*Get total Token Supply*/
    function totalSupply() public constant returns (uint totalsupply) {
        totalsupply = _totalSupply ;
    }

      
    /* 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 (SafeMath.safeAdd(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] = SafeMath.safeSub(balanceOf[_from], _value);                         // Subtract from the sender
        balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value);  // Add the same to the recipient
        emit Transfer(_from, _to, _value);
    }

    /// @notice Create `mintedAmount` tokens and send it to `target`
    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
        balanceOf[target] = SafeMath.safeAdd(balanceOf[target],mintedAmount);
        _totalSupply = SafeMath.safeAdd(_totalSupply, mintedAmount);
        emit Transfer(0, this, mintedAmount);
        emit Transfer(this, target, mintedAmount);
    }

    /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
    function freezeAccount(address target, bool freeze) onlyOwner public {
        frozenAccount[target] = freeze;
        emit FrozenFunds(target, freeze);
    }

    /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
        sellPrice = newSellPrice;
        buyPrice = newBuyPrice;
    }

    ///default function
    function () public payable {
    }
}
/******************************************/
function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
    sellPrice = newSellPrice;
    buyPrice = newBuyPrice;
}

/// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth