chore: mics. improvements to cluster id and shards setup

Author: SionoiS

apps/wakunode2/app.nim

@@ -127,6 +127,21 @@ proc init*(T: type App, rng: ref HmacDrbgContext, conf: WakuNodeConf): T =
       quit(QuitFailure)
     else: recordRes.get()
 
+  # Check the ENR sharding info for matching config cluster id
+  if conf.clusterId != 0:
+    let res = record.toTyped()
+    if res.isErr():
+      error "ENR setup failed", error = $res.get()
+      quit(QuitFailure)
+
+    let relayShard = res.get().relaySharding().valueOr:
+      error "no sharding info"
+      quit(QuitFailure)
+
+    if conf.clusterId != relayShard.clusterId:
+      error "cluster id mismatch"
+      quit(QuitFailure)
+
   App(
     version: git_version,
     conf: conf,
@@ -234,7 +249,13 @@ proc setupDiscoveryV5*(app: App): WakuDiscoveryV5 =
     autoupdateRecord: app.conf.discv5EnrAutoUpdate,
   )
 
-  WakuDiscoveryV5.new(app.rng, discv5Conf, some(app.record))
+  WakuDiscoveryV5.new(
+    app.rng, 
+    discv5Conf,
+    some(app.record),
+    some(app.node.peerManager),
+    app.node.topicSubscriptionQueue,
+  )
 
 ## Init waku node instance
 
@@ -286,18 +307,17 @@ proc initNode(conf: WakuNodeConf,
   ok(node)
 
 proc setupWakuApp*(app: var App): AppResult[void] =
-
-  ## Discv5
-  if app.conf.discv5Discovery:
-    app.wakuDiscV5 = some(app.setupDiscoveryV5())
-
   ## Waku node
   let initNodeRes = initNode(app.conf, app.netConf, app.rng, app.key, app.record, app.peerStore, app.dynamicBootstrapNodes)
   if initNodeRes.isErr():
     return err("failed to init node: " & initNodeRes.error)
 
   app.node = initNodeRes.get()
 
+  ## Discv5
+  if app.conf.discv5Discovery:
+    app.wakuDiscV5 = some(app.setupDiscoveryV5())
+
   ok()
 
 proc getPorts(listenAddrs: seq[MultiAddress]):
@@ -341,7 +361,17 @@ proc updateNetConfig(app: var App): AppResult[void] =
 proc updateEnr(app: var App): AppResult[void] =
 
   let record = enrConfiguration(app.conf, app.netConf, app.key).valueOr:
-    return err(error)
+    return err("ENR setup failed: " & error)
+
+  if app.conf.clusterId != 0:
+    let tRecord = record.toTyped().valueOr:
+      return err("ENR setup failed: " & $error)
+
+    let relayShard = tRecord.relaySharding().valueOr:
+      return err("ENR setup failed: no sharding info")
+
+    if app.conf.clusterId != relayShard.clusterId:
+      return err("ENR setup failed: cluster id mismatch")
 
   app.record = record
   app.node.enr = record
@@ -377,6 +407,9 @@ proc setupProtocols(node: WakuNode,
   ## Optionally include persistent message storage.
   ## No protocols are started yet.
 
+  node.mountMetadata(conf.clusterId).isOkOr:
+    return err("failed to mount waku metadata protocol: " & error)
+
   # Mount relay on all nodes
   var peerExchangeHandler = none(RoutingRecordsHandler)
   if conf.relayPeerExchange:
@@ -587,25 +620,24 @@ proc startNode(node: WakuNode, conf: WakuNodeConf,
 
 proc startApp*(app: var App): AppResult[void] =
 
-  try:
-    (waitFor startNode(app.node,app.conf,app.dynamicBootstrapNodes)).isOkOr:
-      return err(error)
-  except CatchableError:
-    return err("exception starting node: " & getCurrentExceptionMsg())
+  let nodeRes = catch: (waitFor startNode(app.node,app.conf,app.dynamicBootstrapNodes))
+  if nodeRes.isErr():
+    return err("exception starting node: " & nodeRes.error.msg)
+
+  nodeRes.get().isOkOr:
+    return err("exception starting node: " & error)
 
   # Update app data that is set dynamically on node start
   app.updateApp().isOkOr:
     return err("Error in updateApp: " & $error)
 
-  if app.wakuDiscv5.isSome():
-    let wakuDiscv5 = app.wakuDiscv5.get()
-
-    let res = wakuDiscv5.start()
-    if res.isErr():
-      return err("failed to start waku discovery v5: " & $res.error)
+  if (let wakuDiscv5 = app.wakuDiscv5.get(); app.wakuDiscv5.isSome()):
+    let catchRes = catch: (waitFor wakuDiscv5.start())
+    let startRes = catchRes.valueOr:
+      return err("failed to start waku discovery v5: " & catchRes.error.msg)
 
-    asyncSpawn wakuDiscv5.searchLoop(app.node.peerManager)
-    asyncSpawn wakuDiscv5.subscriptionsListener(app.node.topicSubscriptionQueue)
+    startRes.isOkOr:
+      return err("failed to start waku discovery v5: " & error)
 
   return ok()
 

examples/publisher.nim

@@ -51,31 +51,32 @@ proc setupAndPublish(rng: ref HmacDrbgContext) {.async.} =
     var bootstrapNodeEnr: enr.Record
     discard bootstrapNodeEnr.fromURI(bootstrapNode)
 
+    let discv5Conf = WakuDiscoveryV5Config(
+      discv5Config: none(DiscoveryConfig),
+      address: ip,
+      port: Port(discv5Port),
+      privateKey: keys.PrivateKey(nodeKey.skkey),
+      bootstrapRecords: @[bootstrapNodeEnr],
+      autoupdateRecord: true,
+    )
+
     # assumes behind a firewall, so not care about being discoverable
     let wakuDiscv5 = WakuDiscoveryV5.new(
-        extIp= none(ValidIpAddress),
-        extTcpPort = none(Port),
-        extUdpPort = none(Port),
-        bindIP = ip,
-        discv5UdpPort = Port(discv5Port),
-        bootstrapEnrs = @[bootstrapNodeEnr],
-        privateKey = keys.PrivateKey(nodeKey.skkey),
-        flags = flags,
-        rng = node.rng,
-        topics = @[],
-        )
+      node.rng, 
+      discv5Conf,
+      some(node.enr),
+      some(node.peerManager),
+      node.topicSubscriptionQueue,
+    )
 
     await node.start()
     await node.mountRelay()
     node.peerManager.start()
 
-    let discv5Res = wakuDiscv5.start()
-    if discv5Res.isErr():
-      error "failed to start discv5", error= discv5Res.error
+    (await wakuDiscv5.start()).isOkOr:
+      error "failed to start discv5", error = error
       quit(1)
 
-    asyncSpawn wakuDiscv5.searchLoop(node.peerManager)
-
     # wait for a minimum of peers to be connected, otherwise messages wont be gossiped
     while true:
       let numConnectedPeers = node.peerManager.peerStore[ConnectionBook].book.values().countIt(it == Connected)

examples/subscriber.nim

@@ -46,31 +46,32 @@ proc setupAndSubscribe(rng: ref HmacDrbgContext) {.async.} =
     var bootstrapNodeEnr: enr.Record
     discard bootstrapNodeEnr.fromURI(bootstrapNode)
 
+    let discv5Conf = WakuDiscoveryV5Config(
+      discv5Config: none(DiscoveryConfig),
+      address: ip,
+      port: Port(discv5Port),
+      privateKey: keys.PrivateKey(nodeKey.skkey),
+      bootstrapRecords: @[bootstrapNodeEnr],
+      autoupdateRecord: true,
+    )
+
     # assumes behind a firewall, so not care about being discoverable
     let wakuDiscv5 = WakuDiscoveryV5.new(
-        extIp= none(ValidIpAddress),
-        extTcpPort = none(Port),
-        extUdpPort = none(Port),
-        bindIP = ip,
-        discv5UdpPort = Port(discv5Port),
-        bootstrapEnrs = @[bootstrapNodeEnr],
-        privateKey = keys.PrivateKey(nodeKey.skkey),
-        flags = flags,
-        rng = node.rng,
-        topics = @[],
-        )
+      node.rng, 
+      discv5Conf,
+      some(node.enr),
+      some(node.peerManager),
+      node.topicSubscriptionQueue,
+    )
 
     await node.start()
     await node.mountRelay()
     node.peerManager.start()
 
-    let discv5Res = wakuDiscv5.start()
-    if discv5Res.isErr():
-      error "failed to start discv5", error = discv5Res.error
+    (await wakuDiscv5.start()).isOkOr:
+      error "failed to start discv5", error = error
       quit(1)
 
-    asyncSpawn wakuDiscv5.searchLoop(node.peerManager)
-
     # wait for a minimum of peers to be connected, otherwise messages wont be gossiped
     while true:
       let numConnectedPeers = node.peerManager.peerStore[ConnectionBook].book.values().countIt(it == Connected)

tests/test_peer_manager.nim

@@ -268,16 +268,38 @@ procSuite "Peer Manager":
     await allFutures([node1.stop(), node2.stop(), node3.stop()])
 
   asyncTest "Peer manager drops conections to peers on different networks":
-    let clusterId1 = 1.uint32
-    let clusterId2 = 2.uint32
+    let clusterId3 = 3.uint32
+    let clusterId4 = 4.uint32
 
     let
       # different network
-      node1 = newTestWakuNode(generateSecp256k1Key(), ValidIpAddress.init("0.0.0.0"), Port(0), clusterId = clusterId1)
+      node1 = newTestWakuNode(
+        generateSecp256k1Key(),
+        ValidIpAddress.init("0.0.0.0"),
+        Port(0),
+        clusterId = clusterId3,
+        topics = @["/waku/2/rs/3/0"],
+      )
 
       # same network
-      node2 = newTestWakuNode(generateSecp256k1Key(), ValidIpAddress.init("0.0.0.0"), Port(0), clusterId = clusterId2)
-      node3 = newTestWakuNode(generateSecp256k1Key(), ValidIpAddress.init("0.0.0.0"), Port(0), clusterId = clusterId2)
+      node2 = newTestWakuNode(
+        generateSecp256k1Key(),
+        ValidIpAddress.init("0.0.0.0"),
+        Port(0),
+        clusterId = clusterId4,
+        topics = @["/waku/2/rs/4/0"],
+      )
+      node3 = newTestWakuNode(
+        generateSecp256k1Key(),
+        ValidIpAddress.init("0.0.0.0"),
+        Port(0),
+        clusterId = clusterId4,
+        topics = @["/waku/2/rs/4/0"],
+      )
+
+    discard node1.mountMetadata(clusterId3)
+    discard node2.mountMetadata(clusterId4)
+    discard node3.mountMetadata(clusterId4)
 
     # Start nodes
     await allFutures([node1.start(), node2.start(), node3.start()])

tests/test_waku_discv5.nim

@@ -34,18 +34,26 @@ proc newTestEnrRecord(privKey: libp2p_keys.PrivateKey,
   builder.build().tryGet()
 
 
-proc newTestDiscv5(privKey: libp2p_keys.PrivateKey,
-                       bindIp: string, tcpPort: uint16, udpPort: uint16,
-                       record: waku_enr.Record,
-                       bootstrapRecords = newSeq[waku_enr.Record]()): WakuDiscoveryV5 =
+proc newTestDiscv5(
+  privKey: libp2p_keys.PrivateKey,
+  bindIp: string, tcpPort: uint16, udpPort: uint16,
+  record: waku_enr.Record,
+  bootstrapRecords = newSeq[waku_enr.Record](),
+  queue = newAsyncEventQueue[SubscriptionEvent](30),
+  ): WakuDiscoveryV5 =
   let config = WakuDiscoveryV5Config(
       privateKey: eth_keys.PrivateKey(privKey.skkey),
       address: ValidIpAddress.init(bindIp),
       port: Port(udpPort),
       bootstrapRecords: bootstrapRecords,
   )
 
-  let discv5 = WakuDiscoveryV5.new(rng(), config, some(record))
+  let discv5 = WakuDiscoveryV5.new(
+    rng = rng(),
+    conf = config,
+    record = some(record),
+    queue = queue,
+    )
 
   return discv5
 
@@ -122,13 +130,13 @@ procSuite "Waku Discovery v5":
         bootstrapRecords = @[record1, record2]
     )
 
-    let res1 = node1.start()
+    let res1 = await node1.start()
     assert res1.isOk(), res1.error
 
-    let res2 = node2.start()
+    let res2 = await node2.start()
     assert res2.isOk(), res2.error
 
-    let res3 = node3.start()
+    let res3 = await node3.start()
     assert res3.isOk(), res3.error
 
     ## When
@@ -240,16 +248,16 @@ procSuite "Waku Discovery v5":
     )
 
     # Start nodes' discoveryV5 protocols
-    let res1 = node1.start()
+    let res1 = await node1.start()
     assert res1.isOk(), res1.error
 
-    let res2 = node2.start()
+    let res2 = await node2.start()
     assert res2.isOk(), res2.error
 
-    let res3 = node3.start()
+    let res3 = await node3.start()
     assert res3.isOk(), res3.error
 
-    let res4 = node4.start()
+    let res4 = await node4.start()
     assert res4.isOk(), res4.error
 
     ## Given
@@ -401,22 +409,20 @@ procSuite "Waku Discovery v5":
         udpPort = udpPort,
     )
 
+    let queue = newAsyncEventQueue[SubscriptionEvent](30)
+
     let node = newTestDiscv5(
         privKey = privKey,
         bindIp = bindIp,
         tcpPort = tcpPort,
         udpPort = udpPort,
-        record = record
+        record = record,
+        queue = queue,
     )
 
-    let res = node.start()
+    let res = await node.start()
     assert res.isOk(), res.error
 
-    let queue = newAsyncEventQueue[SubscriptionEvent](0)
-
-    ## When
-    asyncSpawn node.subscriptionsListener(queue)
-
     ## Then
     queue.emit((kind: PubsubSub, topic: shard1))
     queue.emit((kind: PubsubSub, topic: shard2))
@@ -442,14 +448,13 @@ procSuite "Waku Discovery v5":
 
     queue.emit((kind: PubsubUnsub, topic: shard1))
     queue.emit((kind: PubsubUnsub, topic: shard2))
-    queue.emit((kind: PubsubUnsub, topic: shard3))
 
     await sleepAsync(1.seconds)
 
     check:
       node.protocol.localNode.record.containsShard(shard1) == false
       node.protocol.localNode.record.containsShard(shard2) == false
-      node.protocol.localNode.record.containsShard(shard3) == false
+      node.protocol.localNode.record.containsShard(shard3) == true
 
     ## Cleanup
     await node.stop()