@lodestar/api/lib/utils/client/httpClient.d.ts

A Typescript REST client for the Ethereum Consensus API

import { Logger, fetch } from "@lodestar/utils";
import { Endpoint } from "../types.js";
import { Metrics } from "./metrics.js";
import { ApiRequestInit, ExtraRequestInit, RouteDefinitionExtra, UrlInit, UrlInitRequired } from "./request.js";
import { ApiResponse } from "./response.js";
export declare const defaultInit: Required<ExtraRequestInit>;
export interface IHttpClient {
    readonly baseUrl: string;
    readonly urlsInits: UrlInitRequired[];
    readonly urlsScore: number[];
    request<E extends Endpoint>(definition: RouteDefinitionExtra<E>, args: E["args"], localInit?: ApiRequestInit): Promise<ApiResponse<E>>;
}
export type HttpClientOptions = ({
    baseUrl: string;
} | {
    urls: (string | UrlInit)[];
}) & {
    globalInit?: ApiRequestInit;
    /** Override fetch function */
    fetch?: typeof fetch;
};
export type HttpClientModules = {
    logger?: Logger;
    metrics?: Metrics;
};
export declare class HttpClient implements IHttpClient {
    readonly urlsInits: UrlInitRequired[];
    readonly urlsScore: number[];
    private readonly signal;
    private readonly fetch;
    private readonly metrics;
    private readonly logger;
    /**
     * Cache to keep track of routes per server that do not support SSZ. This cache will only be
     * populated if we receive a 415 error response from the server after sending a SSZ request body.
     * The request will be retried using a JSON body and all subsequent requests will only use JSON.
     */
    private readonly sszNotSupportedByRouteIdByUrlIndex;
    get baseUrl(): string;
    constructor(opts: HttpClientOptions, { logger, metrics }?: HttpClientModules);
    request<E extends Endpoint>(definition: RouteDefinitionExtra<E>, args: E["args"], localInit?: ApiRequestInit): Promise<ApiResponse<E>>;
    private requestWithFallbacks;
    private requestWithRetries;
    private requestFallbackToJson;
    private _request;
    private getRequestMethod;
}
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