@lodestar/beacon-node/lib/sync/utils/remoteSyncType.d.ts

A Typescript implementation of the beacon chain

import { IForkChoice } from "@lodestar/fork-choice";
import { Slot, Status } from "@lodestar/types";
import { IBeaconChain } from "../../chain/interface.js";
import { ChainTarget } from "../range/utils/index.js";
/** The type of peer relative to our current state */
export declare enum PeerSyncType {
    /** The peer is on our chain and is fully synced with respect to our chain */
    FullySynced = "FullySynced",
    /** The peer has a greater knowledge of the chain than us that warrants a full sync */
    Advanced = "Advanced",
    /** A peer is behind in the sync and not useful to us for downloading blocks */
    Behind = "Behind"
}
export declare const peerSyncTypes: PeerSyncType[];
export declare function getPeerSyncType(local: Status, remote: Status, forkChoice: IForkChoice, slotImportTolerance: number): PeerSyncType;
export declare enum RangeSyncType {
    /** A finalized chain sync should be started with this peer */
    Finalized = "Finalized",
    /** A head chain sync should be started with this peer */
    Head = "Head"
}
export declare const rangeSyncTypes: RangeSyncType[];
/**
 * Check if a peer requires a finalized chain sync. Only if:
 * - The remotes finalized epoch is greater than our current finalized epoch and we have
 *   not seen the finalized hash before
 */
export declare function getRangeSyncType(local: Status, remote: Status, forkChoice: IForkChoice): RangeSyncType;
export declare function getRangeSyncTarget(local: Status, remote: Status, chain: IBeaconChain): {
    syncType: RangeSyncType;
    startEpoch: Slot;
    target: ChainTarget;
};
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