/**
 * @fileoverview BrightTrustEpoch interface.
 *
 * A versioned configuration snapshot of the BrightTrust membership and threshold parameters.
 * Each membership change increments the epoch.
 *
 * @see Requirements 10, 12
 */
import { PlatformID } from '@digitaldefiance/ecies-lib';
import { BrightTrustOperationalMode } from '../enumerations/brightTrustOperationalMode';
/**
 * Represents a versioned snapshot of BrightTrust membership and threshold configuration.
 * @template TID - Platform ID type for frontend/backend DTO compatibility
 */
export interface BrightTrustEpoch<TID extends PlatformID = Uint8Array> {
    /** Monotonically increasing epoch number, starts at 1 */
    epochNumber: number;
    /** Active member IDs in this epoch */
    memberIds: TID[];
    /** Shares required to unseal */
    threshold: number;
    /** Current operational mode */
    mode: BrightTrustOperationalMode;
    /** Timestamp of epoch creation */
    createdAt: Date;
    /** Previous epoch number for audit trail */
    previousEpochNumber?: number;
    /** Optional subset of members for routine ops when members > 20 (Req 12.2) */
    innerBrightTrustMemberIds?: TID[];
}
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