nim-libp2p/tests/pubsub/testgossipinternal.nim

488 lines
16 KiB
Nim

include ../../libp2p/protocols/pubsub/gossipsub
{.used.}
import options
import unittest, bearssl
import stew/byteutils
import ../../libp2p/standard_setup
import ../../libp2p/errors
import ../../libp2p/crypto/crypto
import ../../libp2p/stream/bufferstream
import ../../libp2p/switch
import ../helpers
type
TestGossipSub = ref object of GossipSub
proc noop(data: seq[byte]) {.async, gcsafe.} = discard
proc getPubSubPeer(p: TestGossipSub, peerId: PeerID): auto =
proc getConn(): Future[Connection] =
p.switch.dial(peerId, GossipSubCodec)
newPubSubPeer(peerId, getConn, nil, GossipSubCodec)
proc randomPeerInfo(): PeerInfo =
PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
suite "GossipSub internal":
teardown:
checkTrackers()
asyncTest "subscribe/unsubscribeAll":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(topic: string, data: seq[byte]): Future[void] {.gcsafe.} =
discard
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)
# test via dynamic dispatch
gossipSub.PubSub.subscribe(topic, handler)
check:
gossipSub.topics.contains(topic)
gossipSub.gossipsub[topic].len() > 0
gossipSub.mesh[topic].len() > 0
# test via dynamic dispatch
gossipSub.PubSub.unsubscribeAll(topic)
check:
topic notin gossipSub.topics # not in local topics
topic notin gossipSub.mesh # not in mesh
topic in gossipSub.gossipsub # but still in gossipsub table (for fanning out)
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "topic params":
let params = TopicParams.init()
params.validateParameters().tryGet()
asyncTest "`rebalanceMesh` Degree Lo":
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)
check gossipSub.peers.len == 15
gossipSub.rebalanceMesh(topic)
check gossipSub.mesh[topic].len == gossipSub.parameters.d # + 2 # account opportunistic grafts
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`rebalanceMesh` Degree Hi":
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 = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
gossipSub.grafted(peer, topic)
gossipSub.peers[peerInfo.peerId] = peer
gossipSub.mesh[topic].incl(peer)
check gossipSub.mesh[topic].len == 15
gossipSub.rebalanceMesh(topic)
check gossipSub.mesh[topic].len == gossipSub.parameters.d + gossipSub.parameters.dScore
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`replenishFanout` Degree Lo":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
gossipSub.topicParams[topic] = TopicParams.init()
var conns = newSeq[Connection]()
for i in 0..<15:
let conn = newBufferStream(noop)
conns &= conn
var peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
peer.handler = handler
gossipSub.gossipsub[topic].incl(peer)
check gossipSub.gossipsub[topic].len == 15
gossipSub.replenishFanout(topic)
check gossipSub.fanout[topic].len == gossipSub.parameters.d
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`dropFanoutPeers` drop expired fanout topics":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.topicParams[topic] = TopicParams.init()
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
gossipSub.lastFanoutPubSub[topic] = Moment.fromNow(1.millis)
await sleepAsync(5.millis) # allow the topic to expire
var conns = newSeq[Connection]()
for i in 0..<6:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = PeerInfo.init(PrivateKey.random(ECDSA, rng[]).get())
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
peer.handler = handler
gossipSub.fanout[topic].incl(peer)
check gossipSub.fanout[topic].len == gossipSub.parameters.d
gossipSub.dropFanoutPeers()
check topic notin gossipSub.fanout
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`dropFanoutPeers` leave unexpired fanout topics":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic1 = "foobar1"
let topic2 = "foobar2"
gossipSub.topicParams[topic1] = TopicParams.init()
gossipSub.topicParams[topic2] = TopicParams.init()
gossipSub.fanout[topic1] = initHashSet[PubSubPeer]()
gossipSub.fanout[topic2] = initHashSet[PubSubPeer]()
gossipSub.lastFanoutPubSub[topic1] = Moment.fromNow(1.millis)
gossipSub.lastFanoutPubSub[topic2] = Moment.fromNow(1.minutes)
await sleepAsync(5.millis) # allow the topic to expire
var conns = newSeq[Connection]()
for i in 0..<6:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
peer.handler = handler
gossipSub.fanout[topic1].incl(peer)
gossipSub.fanout[topic2].incl(peer)
check gossipSub.fanout[topic1].len == gossipSub.parameters.d
check gossipSub.fanout[topic2].len == gossipSub.parameters.d
gossipSub.dropFanoutPeers()
check topic1 notin gossipSub.fanout
check topic2 in gossipSub.fanout
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`getGossipPeers` - should gather up to degree D non intersecting peers":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.topicParams[topic] = TopicParams.init()
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
var conns = newSeq[Connection]()
# generate mesh and fanout peers
for i in 0..<30:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
peer.handler = handler
if i mod 2 == 0:
gossipSub.fanout[topic].incl(peer)
else:
gossipSub.grafted(peer, topic)
gossipSub.mesh[topic].incl(peer)
# generate gossipsub (free standing) peers
for i in 0..<15:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
gossipSub.onNewPeer(peer)
peer.handler = handler
gossipSub.gossipsub[topic].incl(peer)
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
inc seqno
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
check gossipSub.fanout[topic].len == 15
check gossipSub.mesh[topic].len == 15
check gossipSub.gossipsub[topic].len == 15
let peers = gossipSub.getGossipPeers()
check peers.len == gossipSub.parameters.d
for p in peers.keys:
check not gossipSub.fanout.hasPeerID(topic, p.peerId)
check not gossipSub.mesh.hasPeerID(topic, p.peerId)
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`getGossipPeers` - should not crash on missing topics in mesh":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.topicParams[topic] = TopicParams.init()
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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)
gossipSub.onNewPeer(peer)
peer.handler = handler
if i mod 2 == 0:
gossipSub.fanout[topic].incl(peer)
else:
gossipSub.gossipsub[topic].incl(peer)
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
inc seqno
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
let peers = gossipSub.getGossipPeers()
check peers.len == gossipSub.parameters.d
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`getGossipPeers` - should not crash on missing topics in fanout":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.topicParams[topic] = TopicParams.init()
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
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)
gossipSub.onNewPeer(peer)
peer.handler = handler
if i mod 2 == 0:
gossipSub.mesh[topic].incl(peer)
gossipSub.grafted(peer, topic)
else:
gossipSub.gossipsub[topic].incl(peer)
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
inc seqno
let msg = Message.init(some(peerInfo), ("HELLO" & $i).toBytes(), topic, some(seqno), false)
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
let peers = gossipSub.getGossipPeers()
check peers.len == gossipSub.parameters.d
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "`getGossipPeers` - should not crash on missing topics in gossip":
let gossipSub = TestGossipSub.init(newStandardSwitch())
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
discard
let topic = "foobar"
gossipSub.topicParams[topic] = TopicParams.init()
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
gossipSub.fanout[topic] = initHashSet[PubSubPeer]()
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)
gossipSub.onNewPeer(peer)
peer.handler = handler
if i mod 2 == 0:
gossipSub.mesh[topic].incl(peer)
gossipSub.grafted(peer, topic)
else:
gossipSub.fanout[topic].incl(peer)
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
inc seqno
let msg = Message.init(some(peerInfo), ("bar" & $i).toBytes(), topic, some(seqno), false)
gossipSub.mcache.put(gossipSub.msgIdProvider(msg), msg)
let peers = gossipSub.getGossipPeers()
check peers.len == 0
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "Drop messages of topics without subscription":
let gossipSub = TestGossipSub.init(newStandardSwitch())
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)
gossipSub.onNewPeer(peer)
peer.handler = handler
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = newBufferStream(noop)
conns &= conn
let peerInfo = randomPeerInfo()
conn.peerInfo = peerInfo
let peer = gossipSub.getPubSubPeer(peerInfo.peerId)
inc seqno
let msg = Message.init(some(peerInfo), ("bar" & $i).toBytes(), topic, some(seqno), false)
await gossipSub.rpcHandler(peer, RPCMsg(messages: @[msg]))
check gossipSub.mcache.msgs.len == 0
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "Disconnect bad peers":
let gossipSub = TestGossipSub.init(newStandardSwitch())
gossipSub.parameters.disconnectBadPeers = true
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)
gossipSub.onNewPeer(peer)
peer.sendConn = conn
peer.handler = handler
peer.score = gossipSub.parameters.graylistThreshold - 1
gossipSub.gossipsub.mgetOrPut(topic, initHashSet[PubSubPeer]()).incl(peer)
gossipSub.peers[peerInfo.peerId] = 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()