80 lines
2.5 KiB
Nim

import std/[net, options]
import chronicles, chronos, libp2p/peerid, results
import waku/factory/waku
import waku/messaging_client
import waku/[requests/health_requests, waku_core, waku_node]
import waku/node/delivery_service/send_service
import waku/node/subscription_manager
import ../../tools/confutils/cli_args
import ../../tools/confutils/messaging_conf
import ./[api_conf, types]
export cli_args, messaging_conf
logScope:
topics = "api"
proc createNode*(conf: WakuNodeConf): Future[Result[Waku, string]] {.async.} =
let wakuConf = conf.toWakuConf().valueOr:
return err("Failed to handle the configuration: " & error)
## We are not defining app callbacks at node creation
let wakuRes = (await Waku.new(wakuConf)).valueOr:
error "waku initialization failed", error = error
return err("Failed setting up Waku: " & $error)
return ok(wakuRes)
proc seedDeveloperProfile(conf: var WakuNodeConf) =
# TODO: Remember to add QUIC port here as well when that is added.
var devPorts = WakuNodeConfOverlay.init()
devPorts.tcpPort = some(Port(0))
devPorts.discv5UdpPort = some(Port(0))
devPorts.websocketPort = some(Port(0))
applyAsOverride(conf, devPorts)
proc createNode*(
preset = "",
mode = cli_args.WakuMode.Core,
overrides = WakuNodeConfOverlay.init(),
additions = WakuNodeConfOverlay.init(),
): Future[Result[Waku, string]] {.async.} =
## Create a Waku node from messaging-API parameters.
var conf = defaultWakuNodeConf().valueOr:
return err("Failed creating default conf: " & error)
conf.mode = mode
conf.preset = preset
seedDeveloperProfile(conf)
applyAsOverride(conf, overrides)
applyAsAddition(conf, additions)
return await createNode(conf)
proc checkApiAvailability(w: Waku): Result[void, string] =
if w.isNil():
return err("Waku node is not initialized")
# TODO: Conciliate request-bouncing health checks here with unit testing.
# (For now, better to just allow all sends and rely on retries.)
return ok()
proc subscribe*(
w: Waku, contentTopic: ContentTopic
): Future[Result[void, string]] {.async.} =
?checkApiAvailability(w)
return w.node.subscriptionManager.subscribe(contentTopic)
proc unsubscribe*(w: Waku, contentTopic: ContentTopic): Result[void, string] =
?checkApiAvailability(w)
return w.node.subscriptionManager.unsubscribe(contentTopic)
proc send*(
w: Waku, envelope: MessageEnvelope
): Future[Result[RequestId, string]] {.async.} =
?checkApiAvailability(w)
return await w.messagingClient.send(envelope)