import { ApiPromise } from '@polkadot/api';
import { Vec } from '@polkadot/types';
import { BlockHash, EventRecord, RuntimeVersion, SignedBlock } from '@polkadot/types/interfaces';
import { SubqlBlockFilter, SubqlCallFilter, SubqlEventFilter, SubstrateBlock, SubstrateEvent, SubstrateExtrinsic } from '@subql/types';
import { BlockContent } from '../indexer/types';
export declare function wrapBlock(signedBlock: SignedBlock, events: EventRecord[], specVersion?: number): SubstrateBlock;
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?: SubqlBlockFilter): SubstrateBlock | undefined;
export declare function filterExtrinsics(extrinsics: SubstrateExtrinsic[], filterOrFilters: SubqlCallFilter | SubqlCallFilter[] | undefined): SubstrateExtrinsic[];
export declare function filterEvents(events: SubstrateEvent[], filterOrFilters?: SubqlEventFilter | SubqlEventFilter[] | undefined): 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 fetchBlocks(api: ApiPromise, startHeight: number, endHeight: number, overallSpecVer?: number): Promise<BlockContent[]>;
export declare function fetchBlocksViaRangeQuery(api: ApiPromise, startHeight: number, endHeight: number): Promise<BlockContent[]>;
export declare function fetchBlocksRange(api: ApiPromise, startHeight: number, endHeight: number): Promise<SignedBlock[]>;
export declare function fetchBlocksArray(api: ApiPromise, blockArray: number[]): Promise<SignedBlock[]>;
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<BlockContent[]>;