@lodestar/beacon-node/lib/chain/opPools/syncCommitteeMessagePool.d.ts

A Typescript implementation of the beacon chain

import { Root, Slot, SubcommitteeIndex, SubnetID, altair } from "@lodestar/types";
import { IClock } from "../../util/clock.js";
import { InsertOutcome } from "./types.js";
/**
 * Preaggregate SyncCommitteeMessage into SyncCommitteeContribution
 * and cache seen SyncCommitteeMessage by slot + validator index.
 * This stays in-memory and should be pruned per slot.
 */
export declare class SyncCommitteeMessagePool {
    private readonly clock;
    private readonly cutOffSecFromSlot;
    private readonly preaggregateSlotDistance;
    /**
     * Each array item is respective to a subcommitteeIndex.
     * Preaggregate into SyncCommitteeContribution.
     * */
    private readonly contributionsByRootBySubnetBySlot;
    private lowestPermissibleSlot;
    constructor(clock: IClock, cutOffSecFromSlot: number, preaggregateSlotDistance?: number);
    /** Returns current count of unique ContributionFast by block root and subnet */
    get size(): number;
    add(subnet: SubnetID, signature: altair.SyncCommitteeMessage, indexInSubcommittee: number, priority?: boolean): InsertOutcome;
    /**
     * This is for the aggregator to produce ContributionAndProof.
     */
    getContribution(subnet: SubcommitteeIndex, slot: Slot, prevBlockRoot: Root): altair.SyncCommitteeContribution | null;
    /**
     * Prune per clock slot.
     * SyncCommittee signatures are only useful during a single slot according to our peer's clocks
     */
    prune(clockSlot: Slot): void;
}
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