when (NimMajor, NimMinor) < (1, 4):
  {.push raises: [Defect].}
else:
  {.push raises: [].}

import
  stew/results,
  chronos,
  libp2p/peerid
import
  ../waku_core

const WakuLightPushCodec* = "/vac/waku/lightpush/2.0.0-beta1"

type WakuLightPushResult*[T] = Result[T, string]

type PushMessageHandler* = proc(
  peer: PeerId,
  pubsubTopic: PubsubTopic,
  message: WakuMessage
  ): Future[WakuLightPushResult[void]] {.async.}