@metamask/snaps-simulation/dist/middleware/engine.d.mts

A simulation framework for MetaMask Snaps, enabling headless testing of Snaps in a controlled environment

import type { JsonRpcMiddleware } from "@metamask/json-rpc-engine";
import { JsonRpcEngine } from "@metamask/json-rpc-engine";
import type { RestrictedMethodParameters } from "@metamask/permission-controller";
import type { Json } from "@metamask/utils";
import type { PermittedMiddlewareHooks, RestrictedMiddlewareHooks } from "../simulation.mjs";
import type { Store } from "../store/index.mjs";
export type CreateJsonRpcEngineOptions = {
    store: Store;
    restrictedHooks: RestrictedMiddlewareHooks;
    permittedHooks: PermittedMiddlewareHooks;
    permissionMiddleware: JsonRpcMiddleware<RestrictedMethodParameters, Json>;
    endpoint?: string;
};
/**
 * Create a JSON-RPC engine for use in a simulated environment. This engine
 * should be used to handle all JSON-RPC requests. It is set up to handle
 * requests that would normally be handled internally by the MetaMask client, as
 * well as Snap-specific requests.
 *
 * @param options - The options to use when creating the engine.
 * @param options.store - The Redux store to use.
 * @param options.restrictedHooks - Any hooks used by the middleware handlers.
 * @param options.permittedHooks - Any hooks used by the middleware handlers.
 * @param options.permissionMiddleware - The permission middleware to use.
 * @param options.endpoint - The JSON-RPC endpoint to use for Ethereum requests.
 * @returns A JSON-RPC engine.
 */
export declare function createJsonRpcEngine({ store, restrictedHooks, permittedHooks, permissionMiddleware, endpoint, }: CreateJsonRpcEngineOptions): JsonRpcEngine;
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