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[SEC] gossipsub - handleGraft/handlePrune recommendations & notes (#530) 

Fixes #401
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Giovanni Petrantoni 2021-02-22 12:04:20 +09:00 committed by GitHub
parent 1368bf7ecb
commit 8236319a91
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1 changed files with 36 additions and 4 deletions
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40
tests/pubsub/testgossipinternal.nim
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@ -543,18 +543,50 @@ suite "GossipSub internal":
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.onNewPeer(peer)
gossipSub.peers[peerInfo.peerId] = peer
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 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
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..<6: