import { CompositeViewDU, ListCompositeType } from "@chainsafe/ssz";
import { ChainForkConfig } from "@lodestar/config";
import { Bytes32, TimeSeconds, phase0, ssz } from "@lodestar/types";
import { EpochCacheImmutableData } from "../cache/epochCache.js";
import { BeaconStateAllForks, CachedBeaconStateAllForks } from "../types.js";
type DepositDataRootListType = ListCompositeType<typeof ssz.Root>;
type DepositDataRootViewDU = CompositeViewDU<DepositDataRootListType>;
/**
 * Check if it's valid genesis state.
 * @param config
 * @param state
 */
export declare function isValidGenesisState(config: ChainForkConfig, state: BeaconStateAllForks): boolean;
/**
 * Check if it's valid genesis validators state.
 * @param config
 * @param state
 */
export declare function isValidGenesisValidators(config: ChainForkConfig, state: BeaconStateAllForks): boolean;
/**
 * Generate the initial beacon chain state.
 *
 * SLOW CODE - 🐢
 */
export declare function getGenesisBeaconState(config: ChainForkConfig, genesisEth1Data: phase0.Eth1Data, latestBlockHeader: phase0.BeaconBlockHeader): BeaconStateAllForks;
/**
 * Apply eth1 block hash to state.
 * @param config ChainForkConfig
 * @param state BeaconState
 * @param eth1BlockHash eth1 block hash
 */
export declare function applyEth1BlockHash(state: CachedBeaconStateAllForks, eth1BlockHash: Bytes32): void;
/**
 * Apply eth1 block timestamp to state.
 * @param config IBeaconState
 * @param state BeaconState
 * @param eth1Timestamp eth1 block timestamp
 */
export declare function applyTimestamp(config: ChainForkConfig, state: CachedBeaconStateAllForks, eth1Timestamp: number): void;
/**
 * Apply deposits to state.
 * For spec test, fullDepositDataRootList is undefined.
 * For genesis builder, fullDepositDataRootList is full list of deposit data root from index 0.
 *
 * SLOW CODE - 🐢
 *
 * @param config ChainForkConfig
 * @param state BeaconState
 * @param newDeposits new deposits
 * @param fullDepositDataRootList full list of deposit data root from index 0
 * @returns active validator indices
 */
export declare function applyDeposits(config: ChainForkConfig, state: CachedBeaconStateAllForks, newDeposits: phase0.Deposit[], fullDepositDataRootList?: DepositDataRootViewDU): {
    activatedValidatorCount: number;
};
/**
 * Mainly used for spec test.
 *
 * SLOW CODE - 🐢
 */
export declare function initializeBeaconStateFromEth1(config: ChainForkConfig, immutableData: EpochCacheImmutableData, eth1BlockHash: Bytes32, eth1Timestamp: TimeSeconds, deposits: phase0.Deposit[], fullDepositDataRootList?: DepositDataRootViewDU, executionPayloadHeader?: CompositeViewDU<typeof ssz.bellatrix.ExecutionPayloadHeader | typeof ssz.capella.ExecutionPayloadHeader | typeof ssz.deneb.ExecutionPayloadHeader | typeof ssz.electra.ExecutionPayloadHeader>): CachedBeaconStateAllForks;
export {};
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