@lodestar/beacon-node/lib/sync/range/utils/batches.d.ts

A Typescript implementation of the beacon chain

import { Epoch, Slot } from "@lodestar/types";
import { Batch } from "../batch.js";
/**
 * Validates that the status and ordering of batches is valid
 * ```
 * [AwaitingValidation]* [Processing]? [AwaitingDownload,Downloading,AwaitingProcessing]*
 * ```
 */
export declare function validateBatchesStatus(batches: Batch[]): void;
/**
 * Return the next batch to process if any.
 * @see validateBatchesStatus for batches state description
 */
export declare function getNextBatchToProcess(batches: Batch[]): Batch | null;
/**
 * Compute the startEpoch of the next batch to be downloaded
 */
export declare function toBeDownloadedStartEpoch(batches: Batch[], startEpoch: Epoch): Epoch;
export declare function toArr<K, V>(map: Map<K, V>): V[];
export declare function getBatchSlotRange(startEpoch: Epoch): {
    startSlot: number;
    count: number;
};
/**
 * Given a batch's startEpoch, return true if batch does not include slot and is strictly after
 * ```
 *        Batch1   Batch2   Batch3
 *  ----|--------|-----X--|--------|---
 * ```
 *  - Batch1 = not includes and before = false
 *  - Batch2 = includes                = false
 *  - Batch3 = not includes and after  = true
 */
export declare function batchStartEpochIsAfterSlot(startEpoch: Epoch, targetSlot: Slot): boolean;
/**
 * Returns true if SyncChain has processed all possible blocks with slot <= target.slot
 */
export declare function isSyncChainDone(batches: Batch[], lastEpochWithProcessBlocks: Epoch, targetSlot: Slot): boolean;
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