contract MintableToken is StandardToken, Ownable {
    event Mint(address indexed to, uint256 amount);
    event Burn(address indexed burner, uint value);
    event MintFinished();

    bool public mintingFinished = false;


    modifier canMint() {
        require(!mintingFinished);
        _;
    }

    /**
     * @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) onlyOwner canMint public returns (bool) {
        totalSupply += _amount;
        balances[_to] += _amount;
        Mint(_to, _amount);
        Transfer(address(0), _to, _amount);
        return true;
    }

    /**
     * @dev Function to burn tokens
     * @param _addr The address that will have _amount of tokens burned.
     * @param _amount The amount of tokens to burn.
     */
    function burn(address _addr, uint _amount) onlyOwner public {
        require(_amount > 0 && balances[_addr] >= _amount && totalSupply >= _amount);
        balances[_addr] -= _amount;
        totalSupply -= _amount;
        Burn(_addr, _amount);
        Transfer(_addr, address(0), _amount);
    }

    /**
     * @dev Function to stop minting new tokens.
     * @return True if the operation was successful.
     */
    function finishMinting() onlyOwner canMint public returns (bool) {
        mintingFinished = true;
        MintFinished();
        return true;
    }
}
/**
 * @title Mintable token
 * @dev Simple ERC20 Token example, with mintable token creation
 * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
 */
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
    totalSupply += _amount;
    balances[_to] += _amount;
    Mint(_to, _amount);
    Transfer(address(0), _to, _amount);
    return true;
}

/**
 * @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.
 */