interface IConverter is IOwned {
    function converterType() external pure returns (uint16);
    function anchor() external view returns (IConverterAnchor);
    function isActive() external view returns (bool);

    function targetAmountAndFee(IERC20Token _sourceToken, IERC20Token _targetToken, uint256 _amount) external view returns (uint256, uint256);
    function convert(IERC20Token _sourceToken,
                     IERC20Token _targetToken,
                     uint256 _amount,
                     address _trader,
                     address payable _beneficiary) external payable returns (uint256);

    function conversionWhitelist() external view returns (IWhitelist);
    function conversionFee() external view returns (uint32);
    function maxConversionFee() external view returns (uint32);
    function reserveBalance(IERC20Token _reserveToken) external view returns (uint256);
    receive() external payable;

    function transferAnchorOwnership(address _newOwner) external;
    function acceptAnchorOwnership() external;
    function setConversionFee(uint32 _conversionFee) external;
    function setConversionWhitelist(IWhitelist _whitelist) external;
    function withdrawTokens(IERC20Token _token, address _to, uint256 _amount) external;
    function withdrawETH(address payable _to) external;
    function addReserve(IERC20Token _token, uint32 _ratio) external;

    // deprecated, backward compatibility
    function token() external view returns (IConverterAnchor);
    function transferTokenOwnership(address _newOwner) external;
    function acceptTokenOwnership() external;
    function connectors(IERC20Token _address) external view returns (uint256, uint32, bool, bool, bool);
    function getConnectorBalance(IERC20Token _connectorToken) external view returns (uint256);
    function connectorTokens(uint256 _index) external view returns (IERC20Token);
    function connectorTokenCount() external view returns (uint16);
}
/*
 Converter interface
 */
function token() external view returns (IConverterAnchor);

// deprecated, backward compatibility