import { ApiPromise } from '@polkadot/api';
import { Vec } from '@polkadot/types';
import '@polkadot/api-augment/substrate';
import { BlockHash, EventRecord, RuntimeVersion, SignedBlock, Header as SubstrateHeader } from '@polkadot/types/interfaces';
import { BN } from '@polkadot/util';
import { IBlock, Header } from '@subql/node-core';
import { SubstrateBlockFilter, SubstrateCallFilter, SubstrateEventFilter, SubstrateBlock, SubstrateEvent, SubstrateExtrinsic } from '@subql/types';
import { BlockContent, LightBlockContent } from '../indexer/types';
type MissTsHeader = Omit<Header, 'timestamp'>;
export declare function substrateHeaderToHeader(header: SubstrateHeader): MissTsHeader;
export declare function substrateBlockToHeader(block: SignedBlock): Header;
export declare function wrapBlock(signedBlock: SignedBlock, events: EventRecord[], specVersion: number): SubstrateBlock;
export declare function getTimestamp({ block: { extrinsics }, }: SignedBlock): Date | undefined;
export declare function getHeaderForHash(api: ApiPromise, blockHash: string): Promise<Header>;
export declare function wrapExtrinsics(wrappedBlock: SubstrateBlock, allEvents: EventRecord[]): SubstrateExtrinsic[];
export declare function wrapEvents(extrinsics: SubstrateExtrinsic[], events: EventRecord[], block: SubstrateBlock): SubstrateEvent[];
export declare function filterBlock(block: SubstrateBlock, filter?: SubstrateBlockFilter): SubstrateBlock | undefined;
export declare function filterBlockModulo(block: SubstrateBlock, filter: SubstrateBlockFilter): boolean;
export declare function filterExtrinsic({ block, extrinsic, success }: SubstrateExtrinsic, filter?: SubstrateCallFilter): boolean;
export declare function filterExtrinsics(extrinsics: SubstrateExtrinsic[], filterOrFilters: SubstrateCallFilter | SubstrateCallFilter[] | undefined): SubstrateExtrinsic[];
export declare function filterEvent({ block, event }: SubstrateEvent, filter?: SubstrateEventFilter): boolean;
export declare function filterEvents(events: SubstrateEvent[], filterOrFilters?: SubstrateEventFilter | SubstrateEventFilter[]): SubstrateEvent[];
export declare function prefetchMetadata(api: ApiPromise, hash: BlockHash): Promise<void>;
/**
 *
 * @param api
 * @param startHeight
 * @param endHeight
 * @param overallSpecVer exists if all blocks in the range have same parant specVersion
 */
export declare function getBlockByHeight(api: ApiPromise, height: number): Promise<SignedBlock>;
export declare function getHeaderByHeight(api: ApiPromise, height: number): Promise<SubstrateHeader>;
export declare function fetchBlocksArray(api: ApiPromise, blockArray: number[]): Promise<SignedBlock[]>;
export declare function fetchHeaderArray(api: ApiPromise, blockArray: number[]): Promise<SubstrateHeader[]>;
export declare function fetchEventsRange(api: ApiPromise, hashs: BlockHash[]): Promise<Vec<EventRecord>[]>;
export declare function fetchRuntimeVersionRange(api: ApiPromise, hashs: BlockHash[]): Promise<RuntimeVersion[]>;
export declare function fetchBlocksBatches(api: ApiPromise, blockArray: number[], overallSpecVer?: number): Promise<IBlock<BlockContent>[]>;
export declare function fetchLightBlock(api: ApiPromise, height: number): Promise<IBlock<LightBlockContent>>;
export declare function fetchBlocksBatchesLight(api: ApiPromise, blockArray: number[]): Promise<IBlock<LightBlockContent>[]>;
export declare function calcInterval(api: ApiPromise): BN;
export {};