import { BeaconConfig } from "@lodestar/config";
import { ForkName } from "@lodestar/params";
import { CachedBeaconStateAllForks } from "@lodestar/state-transition";
import { AttesterSlashing, SignedBeaconBlock, ValidatorIndex, capella, phase0 } from "@lodestar/types";
import { IBeaconDb } from "../../db/index.js";
import { Metrics } from "../../metrics/metrics.js";
import { SignedBLSToExecutionChangeVersioned } from "../../util/types.js";
import { BlockType } from "../interface.js";
export declare class OpPool {
    private readonly config;
    /** Map of uniqueId(AttesterSlashing) -> AttesterSlashing */
    private readonly attesterSlashings;
    /** Map of to slash validator index -> ProposerSlashing */
    private readonly proposerSlashings;
    /** Map of to exit validator index -> SignedVoluntaryExit */
    private readonly voluntaryExits;
    /** Set of seen attester slashing indexes. No need to prune */
    private readonly attesterSlashingIndexes;
    /** Map of validator index -> SignedBLSToExecutionChange */
    private readonly blsToExecutionChanges;
    constructor(config: BeaconConfig);
    get attesterSlashingsSize(): number;
    get proposerSlashingsSize(): number;
    get voluntaryExitsSize(): number;
    get blsToExecutionChangeSize(): number;
    fromPersisted(db: IBeaconDb): Promise<void>;
    toPersisted(db: IBeaconDb): Promise<void>;
    /** Returns false if at least one intersecting index has not been seen yet */
    hasSeenAttesterSlashing(intersectingIndices: ValidatorIndex[]): boolean;
    hasSeenVoluntaryExit(validatorIndex: ValidatorIndex): boolean;
    hasSeenBlsToExecutionChange(validatorIndex: ValidatorIndex): boolean;
    hasSeenProposerSlashing(validatorIndex: ValidatorIndex): boolean;
    /** Must be validated beforehand */
    insertAttesterSlashing(fork: ForkName, attesterSlashing: AttesterSlashing, rootHash?: Uint8Array): void;
    /** Must be validated beforehand */
    insertProposerSlashing(proposerSlashing: phase0.ProposerSlashing): void;
    /** Must be validated beforehand */
    insertVoluntaryExit(voluntaryExit: phase0.SignedVoluntaryExit): void;
    /** Must be validated beforehand */
    insertBlsToExecutionChange(blsToExecutionChange: capella.SignedBLSToExecutionChange, preCapella?: boolean): void;
    /**
     * Get proposer and attester slashings and voluntary exits and bls to execution change for inclusion in a block.
     *
     * This function computes both types of slashings and exits, because attester slashings and exits may be invalidated by
     * slashings included earlier in the block.
     */
    getSlashingsAndExits(state: CachedBeaconStateAllForks, blockType: BlockType, metrics: Metrics | null): [
        AttesterSlashing[],
        phase0.ProposerSlashing[],
        phase0.SignedVoluntaryExit[],
        capella.SignedBLSToExecutionChange[]
    ];
    /** For beacon pool API */
    getAllAttesterSlashings(): AttesterSlashing[];
    /** For beacon pool API */
    getAllProposerSlashings(): phase0.ProposerSlashing[];
    /** For beacon pool API */
    getAllVoluntaryExits(): phase0.SignedVoluntaryExit[];
    /** For beacon pool API */
    getAllBlsToExecutionChanges(): SignedBLSToExecutionChangeVersioned[];
    /**
     * Prune all types of transactions given the latest head state
     */
    pruneAll(headBlock: SignedBeaconBlock, headState: CachedBeaconStateAllForks): void;
    /**
     * Prune attester slashings for all slashed or withdrawn validators.
     */
    private pruneAttesterSlashings;
    /**
     * Prune proposer slashings for validators which are exited in the finalized epoch.
     */
    private pruneProposerSlashings;
    /**
     * Call after finalizing
     * Prune if validator has already exited at or before the finalized checkpoint of the head.
     */
    private pruneVoluntaryExits;
    /**
     * Prune BLS to execution changes that have been applied to the state more than 1 block ago.
     * In the worse case where head block is reorged, the same BlsToExecutionChange message can be re-added
     * to opPool once gossipsub seen cache TTL passes.
     */
    private pruneBlsToExecutionChanges;
}
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