@lodestar/beacon-node/lib/chain/seenCache/seenCommitteeContribution.d.ts

A Typescript implementation of the beacon chain

import { Slot, ValidatorIndex } from "@lodestar/types";
import { ContributionAndProof, SyncCommitteeContribution } from "@lodestar/types/altair";
import { Metrics } from "../../metrics/index.js";
/**
 * Cache SyncCommitteeContribution and seen ContributionAndProof.
 * This is used for SignedContributionAndProof validation and block factory.
 * This stays in-memory and should be pruned per slot.
 */
export declare class SeenContributionAndProof {
    private readonly metrics;
    private readonly seenAggregatorBySlot;
    private readonly seenContributionBySlot;
    constructor(metrics: Metrics | null);
    /**
     * _[IGNORE]_ A valid sync committee contribution with equal `slot`, `beacon_block_root` and `subcommittee_index` whose
     * `aggregation_bits` is non-strict superset has _not_ already been seen.
     */
    participantsKnown(contribution: SyncCommitteeContribution): boolean;
    /**
     * Gossip validation requires to check:
     * The sync committee contribution is the first valid contribution received for the aggregator with index
     * contribution_and_proof.aggregator_index for the slot contribution.slot and subcommittee index contribution.subcommittee_index.
     */
    isAggregatorKnown(slot: Slot, subcommitteeIndex: number, aggregatorIndex: ValidatorIndex): boolean;
    /** Register item as seen in the cache */
    add(contributionAndProof: ContributionAndProof, trueBitCount: number): void;
    /** Prune per head slot */
    prune(headSlot: Slot): void;
}
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