// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6 <0.9;

// interface for the first version of ftso manger (V1 = oldest version) - last version is always without any Vx
interface IIFtsoManagerV1 {
    function rewardEpochsStartTs() external view returns (uint256);
    function rewardEpochDurationSeconds() external view returns (uint256);

    function getCurrentRewardEpoch() external view returns (uint256);

    function rewardEpochs(
        uint256 _rewardEpochId
    )
        external
        view
        returns (
            uint256 _votepowerBlock,
            uint256 _startBlock,
            uint256 _startTimestamp
        );

    function getPriceEpochConfiguration()
        external
        view
        returns (
            uint256 _firstPriceEpochStartTs,
            uint256 _priceEpochDurationSeconds,
            uint256 _revealEpochDurationSeconds
        );
}