import {Libp2p} from "libp2p";
import {EncodedPayloadType, ReqResp} from "@lodestar/reqresp";
import {Ping} from "@lodestar/reqresp/protocols";
import {ILogger} from "@lodestar/utils";

async function getReqResp(libp2p: Libp2p, logger: ILogger): Promise<void> {
  const reqResp = new ReqResp({libp2p, logger, metricsRegister: null});

  // Register a PONG handler to respond with caller's Ping request
  reqResp.registerProtocol(
    Ping(async function* (req: bigint) {
      yield {type: EncodedPayloadType.ssz, data: req};
    })
  );
}