import { publicKey } from '@shardeum-foundation/lib-types';
import { CycleMarker } from '@shardeum-foundation/lib-types/build/src/p2p/CycleCreatorTypes';
import { ArchiverDownMsg, ArchiverRefutesLostMsg, ArchiverUpMsg, InvestigateArchiverMsg } from '@shardeum-foundation/lib-types/build/src/p2p/LostArchiverTypes';
import { Node } from '@shardeum-foundation/lib-types/build/src/p2p/NodeListTypes';
import { SignedObject } from '@shardeum-foundation/lib-types/build/src/p2p/P2PTypes';
import { LostArchiverRecord } from './state';
/** Lost Archivers Functions */
export declare function createLostArchiverRecord(obj: Partial<LostArchiverRecord>): LostArchiverRecord;
/**
 * Marks an Archiver as lost in our internal map.
 * This function gets called anytime communication with an Archiver breaks down
 * @param publicKey - The public key of the lost Archiver
 * @param errorMsg - The error message received when communication broke down
 * Called by Archivers.ts
 */
export declare function reportLostArchiver(publicKey: publicKey, errorMsg: string): void;
/**
 * Investigates a reported lost Archiver.
 * This function gets called to verify if an Archiver is indeed lost
 * @param publicKey - The public key of the Archiver to investigate
 */
export declare function investigateArchiver(investigateMsg: SignedObject<InvestigateArchiverMsg>): Promise<void>;
/**
 * Picks an investigator node for lost archiver detection
 * @param record record in from the lostArchiverRecordMap
 * @returns The node ID of the investigator for that specific record
 */
export declare function getInvestigator(target: publicKey, marker: CycleMarker): Node;
/**
 * Informs the investigator node that an Archiver is lost
 * @param target - The public key of the lost Archiver
 */
export declare function informInvestigator(target: publicKey): void;
/**
 * Tells the network that an Archiver is down
 * @param archiverKey - The public key of the down Archiver
 */
export declare function tellNetworkArchiverIsDown(record: LostArchiverRecord): void;
/**
 * Tells the network thtellNetworkArchiverIsUpat an Archiver as up.
 * @param publicKey - The public key of the Archiver that is now up
 */
export declare function tellNetworkArchiverIsUp(record: LostArchiverRecord): void;
/**
 * Checks for errors in an ArchiverDownMsg
 * @param msg - The ArchiverDownMsg to check
 * @returns null if there are no errors, and a string describing the error otherwise
 */
export declare function errorForArchiverDownMsg(msg: SignedObject<ArchiverDownMsg> | null): string | null;
/**
 * Checks for errors in an ArchiverUpMsg
 * @param msg - The ArchiverUpMsg to check
 * @returns null if there are no errors, and a string describing the error otherwise
 */
export declare function errorForArchiverUpMsg(msg: SignedObject<ArchiverUpMsg> | null): string | null;
/**
 * Checks for errors in an ArchiverRefutesLostMsg
 * @param msg - The ArchiverUpMsg to check
 * @returns null if there are no errors, and a string describing the error otherwise
 */
export declare function errorForArchiverRefutesLostMsg(msg: SignedObject<ArchiverRefutesLostMsg> | null): string | null;
/**
 * Checks for errors in an InvestigateArchiverMsg
 * @param msg - The InvestigateArchiverMsg to check
 * @returns null if there are no errors, and a string describing the error otherwise
 */
export declare function errorForInvestigateArchiverMsg(msg: SignedObject<InvestigateArchiverMsg> | null): string | null;