contract LimitedTransferBancorSmartToken is MintableToken, ISmartToken, LimitedTransferToken {

    // =================================================================================================================
    //                                      Modifiers
    // =================================================================================================================

    /**
     * @dev Throws if destroy flag is not enabled.
     */
    modifier canDestroy() {
        require(destroyEnabled);
        _;
    }

    // =================================================================================================================
    //                                      Members
    // =================================================================================================================

    // We add this flag to avoid users and owner from destroy tokens during crowdsale,
    // This flag is set to false by default and blocks destroy function,
    // We enable destroy option on finalize, so destroy will be possible after the crowdsale.
    bool public destroyEnabled = false;

    // =================================================================================================================
    //                                      Public Functions
    // =================================================================================================================

    function setDestroyEnabled(bool _enable) onlyOwner public {
        destroyEnabled = _enable;
    }

    // =================================================================================================================
    //                                      Impl ISmartToken
    // =================================================================================================================

    //@Override
    function disableTransfers(bool _disable) onlyOwner public {
        transfersEnabled = !_disable;
    }

    //@Override
    function issue(address _to, uint256 _amount) onlyOwner public {
        require(super.mint(_to, _amount));
        Issuance(_amount);
    }

    //@Override
    function destroy(address _from, uint256 _amount) canDestroy public {

        require(msg.sender == _from || msg.sender == owner); // validate input

        balances[_from] = balances[_from].sub(_amount);
        totalSupply = totalSupply.sub(_amount);

        Destruction(_amount);
        Transfer(_from, 0x0, _amount);
    }

    // =================================================================================================================
    //                                      Impl LimitedTransferToken
    // =================================================================================================================


    // Enable/Disable token transfer
    // Tokens will be locked in their wallets until the end of the Crowdsale.
    // @holder - token`s owner
    // @time - not used (framework unneeded functionality)
    //
    // @Override
    function transferableTokens(address holder, uint64 time) public constant returns (uint256) {
        require(transfersEnabled);
        return super.transferableTokens(holder, time);
    }
}
/**
 BancorSmartToken
 */
function issue(address _to, uint256 _amount) onlyOwner public {
        require(super.mint(_to, _amount));
        Issuance(_amount);
    }
//@Override