feat(waku noise): [wip] Add example for handshake pairing between 2 nodes
This commit is contained in:
Emil Ivanichkov
parent
8e35d2c44c
commit
e8150ce1a3
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@ -0,0 +1,214 @@
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import
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std/[tables,times,sequtils],
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stew/byteutils,
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stew/shims/net,
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chronicles,
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chronos,
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confutils,
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libp2p/crypto/crypto,
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eth/keys,
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eth/p2p/discoveryv5/enr,
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testutils/unittests
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import
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waku/common/logging,
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waku/node/peer_manager,
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waku/waku_core,
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waku/waku_node,
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waku/waku_enr,
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waku/waku_discv5,
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waku/common/protobuf,
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waku/utils/noise as waku_message_utils,
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waku/waku_noise/noise_types,
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waku/waku_noise/noise_utils,
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waku/waku_noise/noise_handshake_processing,
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waku/waku_core
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import ../waku_handshake_utils
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proc now*(): Timestamp =
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getNanosecondTime(getTime().toUnixFloat())
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# An accesible bootstrap node. See wakuv2.prod fleets.status.im
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const bootstrapNode = "enr:-Nm4QOdTOKZJKTUUZ4O_W932CXIET-M9NamewDnL78P5u9D" &
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"OGnZlK0JFZ4k0inkfe6iY-0JAaJVovZXc575VV3njeiABgmlkgn" &
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"Y0gmlwhAjS3ueKbXVsdGlhZGRyc7g6ADg2MW5vZGUtMDEuYWMtY" &
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"24taG9uZ2tvbmctYy53YWt1djIucHJvZC5zdGF0dXNpbS5uZXQG" &
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"H0DeA4lzZWNwMjU2azGhAo0C-VvfgHiXrxZi3umDiooXMGY9FvY" &
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"j5_d1Q4EeS7eyg3RjcIJ2X4N1ZHCCIyiFd2FrdTIP"
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# careful if running pub and sub in the same machine
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const wakuPort = 60000
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const discv5Port = 9000
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proc setupAndPublish(rng: ref HmacDrbgContext) {.async.} =
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var readyForFinalization = false
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#########################
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# Content Topic information
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let contentTopicInfo = ContentTopicInfo(
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applicationName: "waku-noise-sessions",
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applicationVersion: "0.1",
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shardId: "10",)
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################################
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# Alice static/ephemeral key initialization and commitment
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let aliceInfo = initAgentKeysAndCommitment(rng)
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let s = aliceInfo.commitment
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let qr = readFile("qr.txt")
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let qrMessageNameTag = cast[seq[byte]](readFile("qrMessageNametag.txt"))
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echo qrMessageNameTag
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# We set the contentTopic from the content topic parameters exchanged in the QR
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let contentTopic = initContentTopicFromQr(qr)
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var aliceHS = initHS(aliceInfo, qr, true)
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var
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sentTransportMessage: seq[byte]
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aliceStep: HandshakeStepResult
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wakuMsg: Result[WakuMessage, cstring]
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readPayloadV2: PayloadV2
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aliceMessageNametag: MessageNametag
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aliceHSResult: HandshakeResult
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# use notice to filter all waku messaging
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setupLogLevel(logging.LogLevel.NOTICE)
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notice "starting publisher", wakuPort=wakuPort, discv5Port=discv5Port
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let
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nodeKey = crypto.PrivateKey.random(Secp256k1, rng[]).get()
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ip = parseIpAddress("0.0.0.0")
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flags = CapabilitiesBitfield.init(lightpush = false, filter = false, store = false, relay = true)
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var enrBuilder = EnrBuilder.init(nodeKey)
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let recordRes = enrBuilder.build()
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let record =
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if recordRes.isErr():
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error "failed to create enr record", error=recordRes.error
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quit(QuitFailure)
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else: recordRes.get()
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var builder = WakuNodeBuilder.init()
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builder.withNodeKey(nodeKey)
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builder.withRecord(record)
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builder.withNetworkConfigurationDetails(ip, Port(wakuPort)).tryGet()
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let node = builder.build().tryGet()
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var bootstrapNodeEnr: enr.Record
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discard bootstrapNodeEnr.fromURI(bootstrapNode)
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let discv5Conf = WakuDiscoveryV5Config(
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discv5Config: none(DiscoveryConfig),
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address: ip,
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port: Port(discv5Port),
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privateKey: keys.PrivateKey(nodeKey.skkey),
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bootstrapRecords: @[bootstrapNodeEnr],
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autoupdateRecord: true,
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)
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# assumes behind a firewall, so not care about being discoverable
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let wakuDiscv5 = WakuDiscoveryV5.new(
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node.rng,
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discv5Conf,
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some(node.enr),
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some(node.peerManager),
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node.topicSubscriptionQueue,
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)
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await node.start()
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await node.mountRelay()
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node.peerManager.start()
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(await wakuDiscv5.start()).isOkOr:
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error "failed to start discv5", error = error
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quit(1)
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# wait for a minimum of peers to be connected, otherwise messages wont be gossiped
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while true:
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let numConnectedPeers = node.peerManager.peerStore[ConnectionBook].book.values().countIt(it == Connected)
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if numConnectedPeers >= 6:
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notice "publisher is ready", connectedPeers=numConnectedPeers, required=6
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break
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notice "waiting to be ready", connectedPeers=numConnectedPeers, required=6
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await sleepAsync(5000)
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# Make sure it matches the publisher. Use default value
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# see spec: https://rfc.vac.dev/spec/23/
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let pubSubTopic = PubsubTopic("/waku/2/default-waku/proto")
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###############################################
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# We prepare a Waku message from Alice's payload2
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echo "qrMessageNametag ", qrMessageNametag
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echo "aliceMessageNametag ", aliceMessageNametag
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wakuMsg = prepareHandShakeInitiatorMsg(rng, contentTopic, aliceInfo,
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qrMessageNameTag, aliceMessageNametag,
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aliceHS, aliceStep)
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echo "aliceMessageNametag ", aliceMessageNametag
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await publishHandShakeInitiatorMsg(node, pubSubTopic, contentTopic, wakuMsg.get())
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echo "aliceMessageNametag ", aliceMessageNametag
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# aliceMessageNametag = toMessageNametag(aliceHS)
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let step2Nametag = aliceMessageNametag
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echo "step2Nametag ", step2Nametag
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proc handler(topic: PubsubTopic, msg: WakuMessage): Future[void] {.async, gcsafe.} =
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# let payloadStr = string.fromBytes(msg.payload)
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if msg.contentTopic == contentTopic:
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readPayloadV2 = decodePayloadV2(msg).get()
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if readPayloadV2.messageNametag == step2Nametag:
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echo "aliceMessageNametag ", aliceMessageNametag
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handleHandShakeMsg(rng, pubSubTopic, contentTopic,step = 2, readPayloadV2,
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aliceStep, aliceHS, aliceMessageNametag)
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echo "aliceMessageNametag ", aliceMessageNametag
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# await sleepAsync(5000)
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let handShakeMsgStep3 = prepareHandShakeMsg(rng, contentTopic, aliceInfo,
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aliceMessageNametag, aliceHS,
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aliceStep, step = 3)
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echo "aliceMessageNametag ", aliceMessageNametag
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await publishHandShakeMsg( node, pubSubTopic, contentTopic, handShakeMsgStep3.get(), 3)
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readyForFinalization = true
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echo "aliceMessageNametag ", aliceMessageNametag
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node.subscribe((kind: PubsubSub, topic: pubsubTopic), some(handler))
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while true:
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if readyForFinalization:
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notice "Finalizing handshake"
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aliceHSResult = finalizeHandshake(aliceHS)
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await sleepAsync(5000)
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break
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await sleepAsync(5000)
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var
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payload2: PayloadV2
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realMessage: seq[byte]
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readMessage: seq[byte]
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# Bob writes to Alice
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realMessage = @[(byte)42,42,42,42]
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let realMessageContentTopic = "/" & contentTopicInfo.applicationName & "/" & contentTopicInfo.applicationVersion & "/wakunoise/1/sessions_shard-" & contentTopicInfo.shardId & "/real" & "/proto"
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payload2 = writeMessage(aliceHSResult, realMessage, outboundMessageNametagBuffer = aliceHSResult.nametagsOutbound)
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echo aliceHSResult.h
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wakuMsg = encodePayloadV2( payload2, realMessageContentTopic)
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await node.publish(some(pubSubTopic), wakuMsg.get)
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notice "Sending real message", payload=payload2,
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pubsubTopic=pubsubTopic,
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contentTopic=realMessageContentTopic
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when isMainModule:
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let rng = crypto.newRng()
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asyncSpawn setupAndPublish(rng)
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runForever()
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@ -0,0 +1,203 @@
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import
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std/[tables, sequtils],
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stew/byteutils,
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stew/shims/net,
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chronicles,
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chronos,
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confutils,
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libp2p/crypto/crypto,
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eth/keys,
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eth/p2p/discoveryv5/enr
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import
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waku/common/logging,
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waku/node/peer_manager,
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waku/waku_core,
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waku/waku_node,
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waku/waku_enr,
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waku/waku_discv5,
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waku/common/protobuf,
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waku/utils/noise as waku_message_utils,
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waku/waku_noise/noise_types,
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waku/waku_noise/noise_utils,
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waku/waku_noise/noise_handshake_processing,
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waku/waku_core
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import ../waku_handshake_utils
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# An accesible bootstrap node. See wakuv2.prod fleets.status.im
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const bootstrapNode = "enr:-Nm4QOdTOKZJKTUUZ4O_W932CXIET-M9NamewDnL78P5u9DOGnZl" &
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"K0JFZ4k0inkfe6iY-0JAaJVovZXc575VV3njeiABgmlkgnY0gmlwhAjS" &
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"3ueKbXVsdGlhZGRyc7g6ADg2MW5vZGUtMDEuYWMtY24taG9uZ2tvbmct" &
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"Yy53YWt1djIucHJvZC5zdGF0dXNpbS5uZXQGH0DeA4lzZWNwMjU2azGh" &
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"Ao0C-VvfgHiXrxZi3umDiooXMGY9FvYj5_d1Q4EeS7eyg3RjcIJ2X4N1" &
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"ZHCCIyiFd2FrdTIP"
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# careful if running pub and sub in the same machine
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const wakuPort = 50000
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const discv5Port = 8000
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proc setupAndSubscribe(rng: ref HmacDrbgContext) {.async.} =
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var readyForFinalization = false
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################################
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# Bob static/ephemeral key initialization and commitment
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let bobInfo = initAgentKeysAndCommitment(rng)
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let r = bobInfo.commitment
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#########################
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# Content Topic information
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let contentTopicInfo = ContentTopicInfo(
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applicationName: "waku-noise-sessions",
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applicationVersion: "0.1",
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shardId: "10",)
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let (qr, qrMessageNametag) = initQr(rng, contentTopicInfo, bobInfo)
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writeFile("qr.txt", qr)
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writeFile("qrMessageNametag.txt", qrMessageNametag)
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echo qrMessageNametag
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# We set the contentTopic from the content topic parameters exchanged in the QR
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let contentTopic = initContentTopicFromQr(qr)
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echo "contentTopic: ", contentTopic
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var bobHS = initHS(bobInfo, qr)
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var
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bobStep: HandshakeStepResult
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wakuMsg: Result[WakuMessage, cstring]
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readPayloadV2: PayloadV2
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bobMessageNametag: MessageNametag
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bobHSResult: HandshakeResult
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# use notice to filter all waku messaging
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setupLogLevel(logging.LogLevel.NOTICE)
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notice "starting subscriber", wakuPort=wakuPort, discv5Port=discv5Port
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let
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nodeKey = crypto.PrivateKey.random(Secp256k1, rng[])[]
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ip = parseIpAddress("0.0.0.0")
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flags = CapabilitiesBitfield.init(lightpush = false, filter = false, store = false, relay = true)
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var enrBuilder = EnrBuilder.init(nodeKey)
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let recordRes = enrBuilder.build()
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let record =
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if recordRes.isErr():
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error "failed to create enr record", error=recordRes.error
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quit(QuitFailure)
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else: recordRes.get()
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var builder = WakuNodeBuilder.init()
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builder.withNodeKey(nodeKey)
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builder.withRecord(record)
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builder.withNetworkConfigurationDetails(ip, Port(wakuPort)).tryGet()
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let node = builder.build().tryGet()
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var bootstrapNodeEnr: enr.Record
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discard bootstrapNodeEnr.fromURI(bootstrapNode)
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let discv5Conf = WakuDiscoveryV5Config(
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discv5Config: none(DiscoveryConfig),
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address: ip,
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port: Port(discv5Port),
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privateKey: keys.PrivateKey(nodeKey.skkey),
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bootstrapRecords: @[bootstrapNodeEnr],
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autoupdateRecord: true,
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)
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# assumes behind a firewall, so not care about being discoverable
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let wakuDiscv5 = WakuDiscoveryV5.new(
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node.rng,
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discv5Conf,
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some(node.enr),
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some(node.peerManager),
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node.topicSubscriptionQueue,
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)
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await node.start()
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await node.mountRelay()
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node.peerManager.start()
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(await wakuDiscv5.start()).isOkOr:
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error "failed to start discv5", error = error
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quit(1)
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# wait for a minimum of peers to be connected, otherwise messages wont be gossiped
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while true:
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let numConnectedPeers = node.peerManager.peerStore[ConnectionBook].book.values().countIt(it == Connected)
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if numConnectedPeers >= 6:
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notice "subscriber is ready", connectedPeers=numConnectedPeers, required=6
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break
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notice "waiting to be ready", connectedPeers=numConnectedPeers, required=6
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await sleepAsync(5000)
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# Make sure it matches the publisher. Use default value
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# see spec: https://rfc.vac.dev/spec/23/
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let pubSubTopic = PubsubTopic("/waku/2/default-waku/proto")
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var step2Nameteag: MessageNametag
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echo "qrMessageNametag ", qrMessageNametag
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proc handler(topic: PubsubTopic, msg: WakuMessage): Future[void] {.async, gcsafe.} =
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# let payloadStr = string.fromBytes(msg.payload)
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if msg.contentTopic == contentTopic:
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readPayloadV2 = decodePayloadV2(msg).get()
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if readPayloadV2.messageNametag == qrMessageNametag:
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echo "bobMessageNametag ", bobMessageNametag
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handleHandShakeInitiatorMsg(rng, pubSubTopic, contentTopic, readPayloadV2,
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bobStep, bobHS, bobMessageNametag,
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qrMessageNametag)
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echo "bobMessageNametag ", bobMessageNametag
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step2Nameteag = bobMessageNametag
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wakuMsg = prepareHandShakeMsg(rng, contentTopic, bobInfo,
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bobMessageNametag, bobHS, bobStep,
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step = 2)
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echo "bobMessageNametag ", bobMessageNametag
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await publishHandShakeMsg(node, pubSubTopic, contentTopic,
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wakuMsg.get(), step = 2)
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elif readPayloadV2.messageNametag != step2Nameteag:
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# bobMessageNametag = toMessageNametag(bobHS)
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handleHandShakeMsg(rng, pubSubTopic, contentTopic, step = 3, readPayloadV2,
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bobStep, bobHS, bobMessageNametag)
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# notice "step 3 message received", payload=readPayloadV2,
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# pubsubTopic=pubsubTopic,
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# contentTopic=msg.contentTopic,
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# timestamp=msg.timestamp
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# # Bob reads Alice's payloads, and returns the (decrypted) transport message Alice sent to him
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# bobStep = stepHandshake(rng[], bobHS, readPayloadV2 = readPayloadV2, messageNametag = bobMessageNametag).get()
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readyForFinalization = true
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node.subscribe((kind: PubsubSub, topic: pubsubTopic), some(handler))
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while true:
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if readyForFinalization:
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notice "Finalizing handshake"
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bobHSResult = finalizeHandshake(bobHS)
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proc realMessageHandler(topic: PubsubTopic, msg: WakuMessage): Future[void] {.async, gcsafe.} =
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let realMessageContentTopic = "/" & contentTopicInfo.applicationName & "/" & contentTopicInfo.applicationVersion & "/wakunoise/1/sessions_shard-" & contentTopicInfo.shardId & "/real" & "/proto"
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if msg.contentTopic == realMessageContentTopic:
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readPayloadV2 = decodePayloadV2(msg).get()
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notice "Received real message", payload=readPayloadV2,
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pubsubTopic=pubsubTopic,
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contentTopic=msg.contentTopic,
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timestamp=msg.timestamp
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let readMessage = readMessage(bobHSResult, readPayloadV2, inboundMessageNametagBuffer = bobHSResult.nametagsInbound).get()
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echo readMessage
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echo bobHSResult.h
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node.subscribe((kind: PubsubSub, topic: pubsubTopic), some(realMessageHandler))
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break
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await sleepAsync(5000)
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when isMainModule:
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let rng = crypto.newRng()
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asyncSpawn setupAndSubscribe(rng)
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runForever()
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