mirror of https://github.com/vacp2p/nim-libp2p.git
727 lines
24 KiB
Nim
727 lines
24 KiB
Nim
include ../../libp2p/protocols/pubsub/gossipsub
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{.used.}
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import options
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import bearssl
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import stew/byteutils
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import ../../libp2p/builders
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import ../../libp2p/errors
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import ../../libp2p/crypto/crypto
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import ../../libp2p/stream/bufferstream
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import ../../libp2p/switch
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import ../helpers
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type
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TestGossipSub = ref object of GossipSub
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proc noop(data: seq[byte]) {.async, gcsafe.} = discard
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proc getPubSubPeer(p: TestGossipSub, peerId: PeerID): PubSubPeer =
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proc getConn(): Future[Connection] =
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p.switch.dial(peerId, GossipSubCodec)
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proc dropConn(peer: PubSubPeer) =
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discard # we don't care about it here yet
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let pubSubPeer = newPubSubPeer(peerId, getConn, dropConn, nil, GossipSubCodec)
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debug "created new pubsub peer", peerId
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p.peers[peerId] = pubSubPeer
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onNewPeer(p, pubSubPeer)
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pubSubPeer
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proc randomPeerInfo(): PeerInfo =
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try:
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PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
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except CatchableError as exc:
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raise newException(Defect, exc.msg)
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suite "GossipSub internal":
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teardown:
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checkTrackers()
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asyncTest "subscribe/unsubscribeAll":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(topic: string, data: seq[byte]): Future[void] {.gcsafe.} =
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discard
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let topic = "foobar"
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.topicParams[topic] = TopicParams.init()
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var conns = newSeq[Connection]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.sendConn = conn
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gossipSub.gossipsub[topic].incl(peer)
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# test via dynamic dispatch
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gossipSub.PubSub.subscribe(topic, handler)
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check:
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gossipSub.topics.contains(topic)
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gossipSub.gossipsub[topic].len() > 0
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gossipSub.mesh[topic].len() > 0
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# test via dynamic dispatch
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gossipSub.PubSub.unsubscribeAll(topic)
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check:
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topic notin gossipSub.topics # not in local topics
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topic notin gossipSub.mesh # not in mesh
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topic in gossipSub.gossipsub # but still in gossipsub table (for fanning out)
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "topic params":
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let params = TopicParams.init()
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params.validateParameters().tryGet()
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asyncTest "`rebalanceMesh` Degree Lo":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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let topic = "foobar"
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.topicParams[topic] = TopicParams.init()
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var conns = newSeq[Connection]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.sendConn = conn
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gossipSub.gossipsub[topic].incl(peer)
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check gossipSub.peers.len == 15
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gossipSub.rebalanceMesh(topic)
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check gossipSub.mesh[topic].len == gossipSub.parameters.d
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "rebalanceMesh - bad peers":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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let topic = "foobar"
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.topicParams[topic] = TopicParams.init()
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var conns = newSeq[Connection]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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var scoreLow = -11'f64
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.sendConn = conn
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peer.score = scoreLow
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gossipSub.gossipsub[topic].incl(peer)
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scoreLow += 1.0
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check gossipSub.peers.len == 15
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gossipSub.rebalanceMesh(topic)
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# low score peers should not be in mesh, that's why the count must be 4
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check gossipSub.mesh[topic].len == 4
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for peer in gossipSub.mesh[topic]:
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check peer.score >= 0.0
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`rebalanceMesh` Degree Hi":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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let topic = "foobar"
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.topicParams[topic] = TopicParams.init()
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var conns = newSeq[Connection]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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gossipSub.grafted(peer, topic)
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gossipSub.mesh[topic].incl(peer)
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check gossipSub.mesh[topic].len == 15
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gossipSub.rebalanceMesh(topic)
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check gossipSub.mesh[topic].len == gossipSub.parameters.d + gossipSub.parameters.dScore
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`replenishFanout` Degree Lo":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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gossipSub.topicParams[topic] = TopicParams.init()
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var conns = newSeq[Connection]()
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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var peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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gossipSub.gossipsub[topic].incl(peer)
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check gossipSub.gossipsub[topic].len == 15
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gossipSub.replenishFanout(topic)
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check gossipSub.fanout[topic].len == gossipSub.parameters.d
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`dropFanoutPeers` drop expired fanout topics":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.topicParams[topic] = TopicParams.init()
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gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
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gossipSub.lastFanoutPubSub[topic] = Moment.fromNow(1.millis)
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await sleepAsync(5.millis) # allow the topic to expire
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var conns = newSeq[Connection]()
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for i in 0..<6:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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gossipSub.fanout[topic].incl(peer)
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check gossipSub.fanout[topic].len == gossipSub.parameters.d
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gossipSub.dropFanoutPeers()
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check topic notin gossipSub.fanout
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`dropFanoutPeers` leave unexpired fanout topics":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic1 = "foobar1"
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let topic2 = "foobar2"
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gossipSub.topicParams[topic1] = TopicParams.init()
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gossipSub.topicParams[topic2] = TopicParams.init()
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gossipSub.fanout[topic1] = initHashSet[PubSubPeer]()
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gossipSub.fanout[topic2] = initHashSet[PubSubPeer]()
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gossipSub.lastFanoutPubSub[topic1] = Moment.fromNow(1.millis)
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gossipSub.lastFanoutPubSub[topic2] = Moment.fromNow(1.minutes)
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await sleepAsync(5.millis) # allow the topic to expire
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var conns = newSeq[Connection]()
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for i in 0..<6:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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gossipSub.fanout[topic1].incl(peer)
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gossipSub.fanout[topic2].incl(peer)
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check gossipSub.fanout[topic1].len == gossipSub.parameters.d
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check gossipSub.fanout[topic2].len == gossipSub.parameters.d
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gossipSub.dropFanoutPeers()
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check topic1 notin gossipSub.fanout
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check topic2 in gossipSub.fanout
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`getGossipPeers` - should gather up to degree D non intersecting peers":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.topicParams[topic] = TopicParams.init()
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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var conns = newSeq[Connection]()
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# generate mesh and fanout peers
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for i in 0..<30:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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if i mod 2 == 0:
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gossipSub.fanout[topic].incl(peer)
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else:
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gossipSub.grafted(peer, topic)
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gossipSub.mesh[topic].incl(peer)
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# generate gossipsub (free standing) peers
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for i in 0..<15:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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gossipSub.gossipsub[topic].incl(peer)
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# generate messages
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var seqno = 0'u64
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for i in 0..5:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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inc seqno
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let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
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gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
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check gossipSub.fanout[topic].len == 15
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check gossipSub.mesh[topic].len == 15
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check gossipSub.gossipsub[topic].len == 15
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let peers = gossipSub.getGossipPeers()
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check peers.len == gossipSub.parameters.d
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for p in peers.keys:
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check not gossipSub.fanout.hasPeerID(topic, p.peerId)
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check not gossipSub.mesh.hasPeerID(topic, p.peerId)
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`getGossipPeers` - should not crash on missing topics in mesh":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.topicParams[topic] = TopicParams.init()
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gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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var conns = newSeq[Connection]()
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for i in 0..<30:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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if i mod 2 == 0:
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gossipSub.fanout[topic].incl(peer)
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else:
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gossipSub.gossipsub[topic].incl(peer)
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# generate messages
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var seqno = 0'u64
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for i in 0..5:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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inc seqno
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let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
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gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
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let peers = gossipSub.getGossipPeers()
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check peers.len == gossipSub.parameters.d
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`getGossipPeers` - should not crash on missing topics in fanout":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.topicParams[topic] = TopicParams.init()
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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var conns = newSeq[Connection]()
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for i in 0..<30:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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if i mod 2 == 0:
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gossipSub.mesh[topic].incl(peer)
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gossipSub.grafted(peer, topic)
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else:
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gossipSub.gossipsub[topic].incl(peer)
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# generate messages
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var seqno = 0'u64
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for i in 0..5:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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inc seqno
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let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
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gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
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let peers = gossipSub.getGossipPeers()
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check peers.len == gossipSub.parameters.d
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "`getGossipPeers` - should not crash on missing topics in gossip":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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discard
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let topic = "foobar"
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gossipSub.topicParams[topic] = TopicParams.init()
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gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
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gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
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var conns = newSeq[Connection]()
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for i in 0..<30:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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if i mod 2 == 0:
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gossipSub.mesh[topic].incl(peer)
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gossipSub.grafted(peer, topic)
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else:
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gossipSub.fanout[topic].incl(peer)
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# generate messages
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var seqno = 0'u64
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for i in 0..5:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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inc seqno
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let msg = Message.init(some(peerInfo), ("bar" & $i).toBytes(), topic, some(seqno), false)
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gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
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let peers = gossipSub.getGossipPeers()
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check peers.len == 0
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "Drop messages of topics without subscription":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
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check false
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let topic = "foobar"
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var conns = newSeq[Connection]()
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for i in 0..<30:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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peer.handler = handler
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# generate messages
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var seqno = 0'u64
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for i in 0..5:
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let conn = newBufferStream(noop)
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conns &= conn
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let peerInfo = randomPeerInfo()
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conn.peerInfo = peerInfo
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let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
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inc seqno
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let msg = Message.init(some(peerInfo), ("bar" & $i).toBytes(), topic, some(seqno), false)
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await gossipSub.rpcHandler(peer, RPCMsg(messages: @[msg]))
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check gossipSub.mcache.msgs.len == 0
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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asyncTest "Disconnect bad peers":
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let gossipSub = TestGossipSub.init(newStandardSwitch())
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gossipSub.parameters.disconnectBadPeers = true
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gossipSub.parameters.appSpecificWeight = 1.0
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proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
|
check false
|
|
|
|
let topic = "foobar"
|
|
var conns = newSeq[Connection]()
|
|
for i in 0..<30:
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.sendConn = conn
|
|
peer.handler = handler
|
|
peer.appScore = gossipSub.parameters.graylistThreshold - 1
|
|
gossipSub.gossipsub.mgetOrPut(topic, initHashSet[PubSubPeer]()).incl(peer)
|
|
gossipSub.switch.connManager.storeConn(conn)
|
|
|
|
gossipSub.updateScores()
|
|
|
|
await sleepAsync(100.millis)
|
|
|
|
check:
|
|
# test our disconnect mechanics
|
|
gossipSub.gossipsub.peers(topic) == 0
|
|
# also ensure we cleanup properly the peersInIP table
|
|
gossipSub.peersInIP.len == 0
|
|
|
|
await allFuturesThrowing(conns.mapIt(it.close()))
|
|
await gossipSub.switch.stop()
|
|
|
|
asyncTest "subscription limits":
|
|
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
|
gossipSub.topicsHigh = 10
|
|
|
|
var tooManyTopics: seq[string]
|
|
for i in 0..gossipSub.topicsHigh + 10:
|
|
tooManyTopics &= "topic" & $i
|
|
let lotOfSubs = RPCMsg.withSubs(tooManyTopics, true)
|
|
|
|
let conn = newBufferStream(noop)
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
|
|
await gossipSub.rpcHandler(peer, lotOfSubs)
|
|
|
|
check:
|
|
gossipSub.gossipSub.len == gossipSub.topicsHigh
|
|
peer.behaviourPenalty > 0.0
|
|
|
|
await conn.close()
|
|
await gossipSub.switch.stop()
|
|
|
|
asyncTest "rebalanceMesh fail due to backoff":
|
|
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
|
let topic = "foobar"
|
|
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
|
gossipSub.topicParams[topic] = TopicParams.init()
|
|
|
|
var conns = newSeq[Connection]()
|
|
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
|
for i in 0..<15:
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.sendConn = conn
|
|
gossipSub.gossipsub[topic].incl(peer)
|
|
gossipSub.backingOff
|
|
.mgetOrPut(topic, initTable[PeerID, Moment]())
|
|
.add(peerInfo.peerId, Moment.now() + 1.hours)
|
|
let prunes = gossipSub.handleGraft(peer, @[ControlGraft(topicID: topic)])
|
|
# there must be a control prune due to violation of backoff
|
|
check prunes.len != 0
|
|
|
|
check gossipSub.peers.len == 15
|
|
gossipSub.rebalanceMesh(topic)
|
|
# expect 0 since they are all backing off
|
|
check gossipSub.mesh[topic].len == 0
|
|
|
|
await allFuturesThrowing(conns.mapIt(it.close()))
|
|
await gossipSub.switch.stop()
|
|
|
|
asyncTest "rebalanceMesh fail due to backoff - remote":
|
|
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
|
let topic = "foobar"
|
|
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
|
gossipSub.topicParams[topic] = TopicParams.init()
|
|
|
|
var conns = newSeq[Connection]()
|
|
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
|
for i in 0..<15:
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.sendConn = conn
|
|
gossipSub.gossipsub[topic].incl(peer)
|
|
gossipSub.mesh[topic].incl(peer)
|
|
|
|
check gossipSub.peers.len == 15
|
|
gossipSub.rebalanceMesh(topic)
|
|
check gossipSub.mesh[topic].len != 0
|
|
|
|
for i in 0..<15:
|
|
let peerInfo = conns[i].peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
gossipSub.handlePrune(peer, @[ControlPrune(
|
|
topicID: topic,
|
|
peers: @[],
|
|
backoff: gossipSub.parameters.pruneBackoff.seconds.uint64
|
|
)])
|
|
|
|
# expect topic cleaned up since they are all pruned
|
|
check topic notin gossipSub.mesh
|
|
|
|
await allFuturesThrowing(conns.mapIt(it.close()))
|
|
await gossipSub.switch.stop()
|
|
|
|
asyncTest "rebalanceMesh Degree Hi - audit scenario":
|
|
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
|
let topic = "foobar"
|
|
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
|
gossipSub.topicParams[topic] = TopicParams.init()
|
|
gossipSub.parameters.dScore = 4
|
|
gossipSub.parameters.d = 6
|
|
gossipSub.parameters.dOut = 3
|
|
gossipSub.parameters.dHigh = 12
|
|
gossipSub.parameters.dLow = 4
|
|
|
|
var conns = newSeq[Connection]()
|
|
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
|
for i in 0..<6:
|
|
let conn = newBufferStream(noop)
|
|
conn.transportDir = Direction.In
|
|
conns &= conn
|
|
let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.score = 40.0
|
|
peer.sendConn = conn
|
|
gossipSub.grafted(peer, topic)
|
|
gossipSub.mesh[topic].incl(peer)
|
|
|
|
for i in 0..<7:
|
|
let conn = newBufferStream(noop)
|
|
conn.transportDir = Direction.Out
|
|
conns &= conn
|
|
let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.score = 10.0
|
|
peer.sendConn = conn
|
|
gossipSub.grafted(peer, topic)
|
|
gossipSub.mesh[topic].incl(peer)
|
|
|
|
check gossipSub.mesh[topic].len == 13
|
|
gossipSub.rebalanceMesh(topic)
|
|
# ensure we are above dlow
|
|
check gossipSub.mesh[topic].len > gossipSub.parameters.dLow
|
|
var outbound = 0
|
|
for peer in gossipSub.mesh[topic]:
|
|
if peer.sendConn.transportDir == Direction.Out:
|
|
inc outbound
|
|
# ensure we give priority and keep at least dOut outbound peers
|
|
check outbound >= gossipSub.parameters.dOut
|
|
|
|
await allFuturesThrowing(conns.mapIt(it.close()))
|
|
await gossipSub.switch.stop()
|
|
|
|
asyncTest "handleIHave/Iwant tests":
|
|
let gossipSub = TestGossipSub.init(newStandardSwitch())
|
|
|
|
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
|
|
check false
|
|
|
|
let topic = "foobar"
|
|
var conns = newSeq[Connection]()
|
|
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
|
|
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
|
|
for i in 0..<30:
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
peer.handler = handler
|
|
gossipSub.grafted(peer, topic)
|
|
gossipSub.mesh[topic].incl(peer)
|
|
|
|
block:
|
|
# should ignore no budget peer
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
let id = @[0'u8, 1, 2, 3]
|
|
let msg = ControlIHave(
|
|
topicID: topic,
|
|
messageIDs: @[id, id, id]
|
|
)
|
|
peer.iHaveBudget = 0
|
|
let iwants = gossipSub.handleIHave(peer, @[msg])
|
|
check: iwants.messageIDs.len == 0
|
|
|
|
block:
|
|
# given duplicate ihave should generate only one iwant
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
let id = @[0'u8, 1, 2, 3]
|
|
let msg = ControlIHave(
|
|
topicID: topic,
|
|
messageIDs: @[id, id, id]
|
|
)
|
|
let iwants = gossipSub.handleIHave(peer, @[msg])
|
|
check: iwants.messageIDs.len == 1
|
|
|
|
block:
|
|
# given duplicate iwant should generate only one message
|
|
let conn = newBufferStream(noop)
|
|
conns &= conn
|
|
let peerInfo = randomPeerInfo()
|
|
conn.peerInfo = peerInfo
|
|
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
|
|
let id = @[0'u8, 1, 2, 3]
|
|
gossipSub.mcache.put(id, Message())
|
|
let msg = ControlIWant(
|
|
messageIDs: @[id, id, id]
|
|
)
|
|
let genmsg = gossipSub.handleIWant(peer, @[msg])
|
|
check: genmsg.len == 1
|
|
|
|
check gossipSub.mcache.msgs.len == 1
|
|
|
|
await allFuturesThrowing(conns.mapIt(it.close()))
|
|
await gossipSub.switch.stop()
|