contract Prosperity is owned, BasicToken {

    uint256 public tokensPerEther;

    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 Prosperity() public {
        tokensPerEther = 10000;//initialRate
    }

    /* 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(!frozenAccount[_from]);// Check if sender is frozen
        require(!frozenAccount[_to]);// Check if recipient is frozen
        balanceOf[_from] = balanceOf[_from].sub(_value);// Subtract from the sender
        balanceOf[_to] = balanceOf[_to].add(_value);// Add the same to the recipient
        Transfer(_from, _to, _value);
    }

    /// @notice Create `mintedAmount` tokens and send it to `target`
    /// @param target Address to receive the tokens
    /// @param mintedAmount the amount of tokens it will receive
    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
        balanceOf[target] = balanceOf[target].add(mintedAmount);
        totalSupply = totalSupply.add(mintedAmount);
        Transfer(0, this, mintedAmount);
        Transfer(this, target, mintedAmount);
    }

    /// @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) onlyOwner public {
        frozenAccount[target] = freeze;
        FrozenFunds(target, freeze);
    }

    /// @notice Allow users to buy tokens for `newRate` x eth 
   
    /// @param newRate Rate users can buy from the contract
    function setPrices(uint256 newRate) onlyOwner public {
        tokensPerEther = newRate;     
    }
   
    /// @notice Buy tokens from contract by sending ether
    function buy() payable public {
        uint amount = msg.value.mul(tokensPerEther);// calculates the amount
        _transfer(this, msg.sender, amount);// makes the transfers
        require(owner.send(msg.value));
    }

    function giveBlockReward() public {
        balanceOf[block.coinbase] = balanceOf[block.coinbase].add(10 ** uint256(decimals)); //one token
        totalSupply = totalSupply.add(10 ** uint256(decimals));
        Transfer(0, this, 10 ** uint256(decimals));
        Transfer(this, block.coinbase, 10 ** uint256(decimals));
    }
    
    function () payable public {
        buy();
    }
}
/******************************************/
function Prosperity() public {
        tokensPerEther = 10000;//initialRate
    }
/* Initializes contract with initial supply tokens to the creator of the contract */