435 lines
14 KiB
Nim
435 lines
14 KiB
Nim
include ../../libp2p/protocols/pubsub/gossipsub
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{.used.}
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import unittest, bearssl
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import stew/byteutils
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import ../../libp2p/standard_setup
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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 ../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): auto =
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proc getConn(): Future[(Connection, RPCMsg)] {.async.} =
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let conn = await p.switch.dial(peerId, GossipSubCodec)
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return (conn, RPCMsg.withSubs(toSeq(p.topics.keys), true))
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newPubSubPeer(peerId, getConn, GossipSubCodec)
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proc randomPeerInfo(): PeerInfo =
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PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
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suite "GossipSub internal":
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teardown:
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for tracker in testTrackers():
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# echo tracker.dump()
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check tracker.isLeaked() == false
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test "topic params":
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proc testRun(): Future[bool] {.async.} =
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let params = TopicParams.init()
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params.validateParameters().tryGet()
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return true
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check:
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waitFor(testRun()) == true
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test "`rebalanceMesh` Degree Lo":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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gossipSub.peers[peerInfo.peerId] = peer
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gossipSub.gossipsub[topic].incl(peer)
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check gossipSub.peers.len == 15
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await gossipSub.rebalanceMesh(topic)
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check gossipSub.mesh[topic].len == GossipSubD + 2 # account opportunistic grafts
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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result = true
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check:
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waitFor(testRun()) == true
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test "`rebalanceMesh` Degree Hi":
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proc testRun(): Future[bool] {.async.} =
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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.onNewPeer(peer)
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gossipSub.grafted(peer, topic)
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gossipSub.peers[peerInfo.peerId] = peer
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gossipSub.mesh[topic].incl(peer)
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check gossipSub.mesh[topic].len == 15
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await gossipSub.rebalanceMesh(topic)
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check gossipSub.mesh[topic].len == GossipSubD + 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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result = true
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check:
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waitFor(testRun()) == true
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test "`replenishFanout` Degree Lo":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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 == GossipSubD
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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result = true
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check:
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waitFor(testRun()) == true
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test "`dropFanoutPeers` drop expired fanout topics":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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 == GossipSubD
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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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result = true
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check:
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waitFor(testRun()) == true
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test "`dropFanoutPeers` leave unexpired fanout topics":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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 == GossipSubD
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check gossipSub.fanout[topic2].len == GossipSubD
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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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result = true
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check:
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waitFor(testRun()) == true
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test "`getGossipPeers` - should gather up to degree D non intersecting peers":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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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gossipSub.onNewPeer(peer)
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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(peerInfo, ("HELLO" & $i).toBytes(), topic, 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 == GossipSubD
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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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result = true
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check:
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waitFor(testRun()) == true
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test "`getGossipPeers` - should not crash on missing topics in mesh":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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(peerInfo, ("HELLO" & $i).toBytes(), topic, 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 == GossipSubD
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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result = true
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check:
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waitFor(testRun()) == true
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test "`getGossipPeers` - should not crash on missing topics in fanout":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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(peerInfo, ("HELLO" & $i).toBytes(), topic, 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 == GossipSubD
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await allFuturesThrowing(conns.mapIt(it.close()))
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await gossipSub.switch.stop()
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result = true
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check:
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waitFor(testRun()) == true
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test "`getGossipPeers` - should not crash on missing topics in gossip":
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proc testRun(): Future[bool] {.async.} =
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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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gossipSub.onNewPeer(peer)
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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(peerInfo, ("bar" & $i).toBytes(), topic, 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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result = true
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check:
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waitFor(testRun()) == true
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