@lodestar/beacon-node/lib/chain/validation/lightClientOptimisticUpdate.d.ts

A Typescript implementation of the beacon chain

import { ChainForkConfig } from "@lodestar/config";
import { LightClientOptimisticUpdate } from "@lodestar/types";
import { IBeaconChain } from "../interface.js";
export declare function validateLightClientOptimisticUpdate(config: ChainForkConfig, chain: IBeaconChain, gossipedOptimisticUpdate: LightClientOptimisticUpdate): void;
/**
 * Returns true, if the spec condition below triggers an IGNORE.
 *
 *      Sig +1/3 time
 * -----|-----
 * xxx|-------  (x is not okay)
 *
 * [IGNORE] The *update is received after the block at signature_slot was given enough time to propagate
 * through the network -- i.e. validate that one-third of *update.signature_slot has transpired
 * (SECONDS_PER_SLOT / INTERVALS_PER_SLOT seconds after the start of the slot, with a MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance)
 */
export declare function updateReceivedTooEarly(config: ChainForkConfig, genesisTime: number, update: Pick<LightClientOptimisticUpdate, "signatureSlot">): boolean;
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