//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;

interface IPriceOracle {
    struct Price {
        uint256 base;
        uint256 premium;
    }

    /// @dev Returns the price to register or renew a name.
    /// @param name The name being registered or renewed.
    /// @param expires When the name presently expires (0 if this is a new registration).
    /// @param duration How long the name is being registered or extended for, in seconds.
    /// @return base premium tuple of base price + premium price
    function price(
        string calldata name,
        uint256 expires,
        uint256 duration
    ) external view returns (Price calldata);
}