nwaku/tests/v2/test_waku_bridge.nim

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{.used.}
import
std/[sequtils, strutils, tables],
stew/byteutils,
stew/shims/net as stewNet,
testutils/unittests,
chronos,
libp2p/crypto/crypto,
libp2p/crypto/secp,
libp2p/peerid,
libp2p/multiaddress,
libp2p/switch,
libp2p/protocols/pubsub/rpc/messages,
libp2p/protocols/pubsub/pubsub,
eth/p2p,
eth/keys
import
../../waku/v1/protocol/waku_protocol,
../../waku/v2/protocol/waku_message,
../../waku/v2/node/[waku_node, waku_payload],
../../waku/v2/utils/peers,
../../apps/wakubridge/wakubridge,
../test_helpers
procSuite "WakuBridge":
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###############
# Suite setup #
###############
const DefaultBridgeTopic = "/waku/2/default-bridge/proto"
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let
rng = keys.newRng()
cryptoRng = crypto.newRng()
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# Bridge
nodev1Key = keys.KeyPair.random(rng[])
nodev2Key = crypto.PrivateKey.random(Secp256k1, cryptoRng[])[]
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bridge = WakuBridge.new(
nodev1Key= nodev1Key,
nodev1Address = localAddress(30302),
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powRequirement = 0.002,
rng = rng,
nodev2Key = nodev2Key,
nodev2BindIp = ValidIpAddress.init("0.0.0.0"), nodev2BindPort= Port(62200),
nodev2PubsubTopic = DefaultBridgeTopic)
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# Waku v1 node
v1Node = setupTestNode(rng, Waku)
# Waku v2 node
v2NodeKey = crypto.PrivateKey.random(Secp256k1, cryptoRng[])[]
v2Node = WakuNode.new(v2NodeKey, ValidIpAddress.init("0.0.0.0"), Port(62202))
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contentTopic = ContentTopic("/waku/1/0x1a2b3c4d/rfc26")
topic = [byte 0x1a, byte 0x2b, byte 0x3c, byte 0x4d]
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payloadV1 = "hello from V1".toBytes()
payloadV2 = "hello from V2".toBytes()
encodedPayloadV2 = Payload(payload: payloadV2, dst: some(nodev1Key.pubKey))
message = WakuMessage(payload: encodedPayloadV2.encode(1, rng[]).get(), contentTopic: contentTopic, version: 1)
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########################
# Tests setup/teardown #
########################
# setup:
# # Runs before each test
# teardown:
# # Runs after each test
###############
# Suite tests #
###############
asyncTest "Topics are correctly converted between Waku v1 and Waku v2":
# Expected cases
check:
toV1Topic(ContentTopic("/waku/1/0x00000000/rfc26")) == [byte 0x00, byte 0x00, byte 0x00, byte 0x00]
toV2ContentTopic([byte 0x00, byte 0x00, byte 0x00, byte 0x00]) == ContentTopic("/waku/1/0x00000000/rfc26")
toV1Topic(ContentTopic("/waku/1/0xffffffff/rfc26")) == [byte 0xff, byte 0xff, byte 0xff, byte 0xff]
toV2ContentTopic([byte 0xff, byte 0xff, byte 0xff, byte 0xff]) == ContentTopic("/waku/1/0xffffffff/rfc26")
toV1Topic(ContentTopic("/waku/1/0x1a2b3c4d/rfc26")) == [byte 0x1a, byte 0x2b, byte 0x3c, byte 0x4d]
toV2ContentTopic([byte 0x1a, byte 0x2b, byte 0x3c, byte 0x4d]) == ContentTopic("/waku/1/0x1a2b3c4d/rfc26")
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# Topic conversion should still work where '0x' prefix is omitted from <v1 topic byte array>
toV1Topic(ContentTopic("/waku/1/1a2b3c4d/rfc26")) == [byte 0x1a, byte 0x2b, byte 0x3c, byte 0x4d]
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# Invalid cases
expect LPError:
# Content topic not namespaced
discard toV1Topic(ContentTopic("this-is-my-content"))
expect ValueError:
# Content topic name too short
discard toV1Topic(ContentTopic("/waku/1/0x112233/rfc26"))
expect ValueError:
# Content topic name not hex
discard toV1Topic(ContentTopic("/waku/1/my-content/rfc26"))
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asyncTest "Verify that WakuMessages are on bridgeable content topics":
let
validCT = ContentTopic("/waku/1/my-content/rfc26")
unnamespacedCT = ContentTopic("just_a_bunch_of_words")
invalidAppCT = ContentTopic("/facebook/1/my-content/rfc26")
invalidVersionCT = ContentTopic("/waku/2/my-content/rfc26")
check:
WakuMessage(contentTopic: validCT).isBridgeable() == true
WakuMessage(contentTopic: unnamespacedCT).isBridgeable() == false
WakuMessage(contentTopic: invalidAppCT).isBridgeable() == false
WakuMessage(contentTopic: invalidVersionCT).isBridgeable() == false
asyncTest "Messages are bridged between Waku v1 and Waku v2":
# Setup test
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waitFor bridge.start()
waitFor v2Node.start()
await v2Node.mountRelay(@[DefaultBridgeTopic], triggerSelf = false)
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discard waitFor v1Node.rlpxConnect(newNode(bridge.nodev1.toENode()))
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waitFor v2Node.connectToNodes(@[bridge.nodev2.switch.peerInfo.toRemotePeerInfo()])
var completionFut = newFuture[bool]()
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proc relayHandler(topic: string, data: seq[byte]) {.async, gcsafe.} =
let msg = WakuMessage.decode(data)
if msg.isOk() and msg.value().version == 1:
check:
# Message fields are as expected
msg.value().contentTopic == contentTopic # Topic translation worked
string.fromBytes(msg.value().payload).contains("from V1")
completionFut.complete(true)
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v2Node.subscribe(DefaultBridgeTopic, relayHandler)
# Test bridging from V2 to V1
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await v2Node.publish(DefaultBridgeTopic, message)
await sleepAsync(1.seconds)
check:
# v1Node received message published by v2Node
v1Node.protocolState(Waku).queue.items.len == 1
let
msg = v1Node.protocolState(Waku).queue.items[0]
decodedPayload = msg.env.data.decode(some(nodev1Key.seckey), none[SymKey]()).get()
check:
# Message fields are as expected
msg.env.topic == topic # Topic translation worked
string.fromBytes(decodedPayload.payload).contains("from V2")
# Test bridging from V1 to V2
check:
v1Node.postMessage(ttl = 5,
topic = topic,
payload = payloadV1) == true
# v2Node received payload published by v1Node
await completionFut.withTimeout(5.seconds)
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# Test filtering of WakuMessage duplicates
v1Node.resetMessageQueue()
await v2Node.publish(DefaultBridgeTopic, message)
await sleepAsync(1.seconds)
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check:
# v1Node did not receive duplicate of previous message
v1Node.protocolState(Waku).queue.items.len == 0
# Teardown test
bridge.nodeV1.resetMessageQueue()
v1Node.resetMessageQueue()
waitFor allFutures([bridge.stop(), v2Node.stop()])
asyncTest "Bridge manages its v1 connections":
# Given
let
# Waku v1 node
v1NodePool = @[setupTestNode(rng, Waku),
setupTestNode(rng, Waku),
setupTestNode(rng, Waku)]
targetV1Peers = v1NodePool.len() - 1
# Bridge
v1Bridge = WakuBridge.new(
nodev1Key= nodev1Key,
nodev1Address = localAddress(30303),
powRequirement = 0.002,
rng = rng,
nodev2Key = nodev2Key,
nodev2BindIp = ValidIpAddress.init("0.0.0.0"), nodev2BindPort= Port(62207),
nodev2PubsubTopic = DefaultBridgeTopic,
v1Pool = v1NodePool.mapIt(newNode(it.toEnode())),
targetV1Peers = targetV1Peers)
for node in v1NodePool:
node.startListening()
# When
waitFor v1Bridge.start()
await sleepAsync(250.millis) # Give peers some time to connect
# Then
check:
v1Bridge.nodev1.peerPool.connectedNodes.len() == targetV1Peers
# When
let connected = v1Bridge.nodev1.peerPool.connectedNodes
for peer in connected.values():
waitFor peer.disconnect(SubprotocolReason)
# Then
check:
v1Bridge.nodev1.peerPool.connectedNodes.len() == 0
# When
discard v1Bridge.maintenanceLoop() # Forces one more run of the maintenance loop
await sleepAsync(250.millis) # Give peers some time to connect
# Then
check:
v1Bridge.nodev1.peerPool.connectedNodes.len() == targetV1Peers
# Cleanup
v1Bridge.nodev1.resetMessageQueue()
for node in v1NodePool:
node.resetMessageQueue()
waitFor v1Bridge.stop()