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

/**
 * FlareSystemsCalculator interface.
 */
interface IFlareSystemsCalculator {
    /// Event emitted when the registration weight of a voter is calculated.
    event VoterRegistrationInfo(
        address indexed voter,
        uint24 indexed rewardEpochId,
        address delegationAddress,
        uint16 delegationFeeBIPS,
        uint256 wNatWeight,
        uint256 wNatCappedWeight,
        bytes20[] nodeIds,
        uint256[] nodeWeights
    );

    /// WNat cap used in signing policy weight.
    function wNatCapPPM() external view returns (uint24);
    /// Non-punishable time to sign new signing policy.
    function signingPolicySignNonPunishableDurationSeconds()
        external
        view
        returns (uint64);
    /// Number of non-punishable blocks to sign new signing policy.
    function signingPolicySignNonPunishableDurationBlocks()
        external
        view
        returns (uint64);
    /// Number of blocks (in addition to non-punishable blocks) after which all rewards are burned.
    function signingPolicySignNoRewardsDurationBlocks()
        external
        view
        returns (uint64);
}