@lodestar/beacon-node/lib/execution/engine/mock.d.ts

A Typescript implementation of the beacon chain

import { ChainConfig } from "@lodestar/config";
import { RootHex } from "@lodestar/types";
import { PayloadIdCache } from "./interface.js";
import { EngineApiRpcParamTypes, EngineApiRpcReturnTypes, PayloadStatus } from "./types.js";
import { JsonRpcBackend } from "./utils.js";
export type ExecutionEngineMockOpts = {
    genesisBlockHash?: string;
    eth1BlockHash?: string;
    onlyPredefinedResponses?: boolean;
    genesisTime?: number;
    config?: ChainConfig;
};
/**
 * Mock ExecutionEngine for fast prototyping and unit testing
 */
export declare class ExecutionEngineMockBackend implements JsonRpcBackend {
    private readonly opts;
    headBlockHash: string;
    safeBlockHash: string;
    finalizedBlockHash: string;
    readonly payloadIdCache: PayloadIdCache;
    /** Known valid blocks */
    private readonly validBlocks;
    /** Preparing payloads to be retrieved via engine_getPayloadV1 */
    private readonly preparingPayloads;
    private readonly payloadsForDeletion;
    private readonly predefinedPayloadStatuses;
    private payloadId;
    private capellaForkTimestamp;
    private denebForkTimestamp;
    private electraForkTimestamp;
    private fuluForkTimestamp;
    private gloasForkTimestamp;
    readonly handlers: {
        [K in keyof EngineApiRpcParamTypes]: (...args: EngineApiRpcParamTypes[K]) => EngineApiRpcReturnTypes[K];
    };
    constructor(opts: ExecutionEngineMockOpts);
    private getPayloadBodiesByHash;
    private getPayloadBodiesByRange;
    /**
     * Mock manipulator to add predefined responses before execution engine client calls
     */
    addPredefinedPayloadStatus(blockHash: RootHex, payloadStatus: PayloadStatus): void;
    /**
     * `engine_newPayloadV1`
     */
    private notifyNewPayload;
    /**
     * `engine_forkchoiceUpdatedV1`
     */
    private notifyForkchoiceUpdate;
    /**
     * `engine_getPayloadV1`
     *
     * 1. Given the payloadId client software MUST respond with the most recent version of the payload that is available in the corresponding building process at the time of receiving the call.
     * 2. The call MUST be responded with 5: Unavailable payload error if the building process identified by the payloadId doesn't exist.
     * 3. Client software MAY stop the corresponding building process after serving this call.
     */
    private getPayloadV1;
    private getPayloadV5;
    private getClientVersionV1;
    private getBlobs;
    private getBlobsV2;
    private timestampToFork;
}
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