nim-libp2p/tests/pubsub/testgossipinternal.nim

727 lines
23 KiB
Nim

include ../../libp2p/protocols/pubsub/gossipsub
{.used.}
import options
import bearssl
import stew/byteutils
import ../../libp2p/builders
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): PubSubPeer =
proc getConn(): Future[Connection] =
p.switch.dial(peerId, GossipSubCodec)
proc dropConn(peer: PubSubPeer) =
discard # we don't care about it here yet
let pubSubPeer = PubSubPeer.new(peerId, getConn, dropConn, nil, GossipSubCodec, 1024 * 1024)
debug "created new pubsub peer", peerId
p.peers[peerId] = pubSubPeer
onNewPeer(p, pubSubPeer)
pubSubPeer
proc randomPeerId(): PeerId =
try:
PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).tryGet()
except CatchableError as exc:
raise newException(Defect, exc.msg)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.sendConn = conn
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.sendConn = conn
gossipSub.gossipsub[topic].incl(peer)
check gossipSub.peers.len == 15
gossipSub.rebalanceMesh(topic)
check gossipSub.mesh[topic].len == gossipSub.parameters.d
await allFuturesThrowing(conns.mapIt(it.close()))
await gossipSub.switch.stop()
asyncTest "rebalanceMesh - bad peers":
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]()
var scoreLow = -11'f64
for i in 0..<15:
let conn = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.sendConn = conn
peer.score = scoreLow
gossipSub.gossipsub[topic].incl(peer)
scoreLow += 1.0
check gossipSub.peers.len == 15
gossipSub.rebalanceMesh(topic)
# low score peers should not be in mesh, that's why the count must be 4
check gossipSub.mesh[topic].len == 4
for peer in gossipSub.mesh[topic]:
check peer.score >= 0.0
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).tryGet()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
gossipSub.grafted(peer, topic)
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 = TestBufferStream.new(noop)
conns &= conn
var peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).tryGet()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.handler = handler
gossipSub.gossipsub[topic].incl(peer)
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
inc seqno
let msg = Message.init(peerId, ("HELLO" & $i).toBytes(), topic, some(seqno))
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
inc seqno
let msg = Message.init(peerId, ("HELLO" & $i).toBytes(), topic, some(seqno))
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
inc seqno
let msg = Message.init(peerId, ("HELLO" & $i).toBytes(), topic, some(seqno))
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
inc seqno
let msg = Message.init(peerId, ("bar" & $i).toBytes(), topic, some(seqno))
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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.handler = handler
# generate messages
var seqno = 0'u64
for i in 0..5:
let conn = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
inc seqno
let msg = Message.init(peerId, ("bar" & $i).toBytes(), topic, some(seqno))
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
gossipSub.parameters.appSpecificWeight = 1.0
proc handler(peer: PubSubPeer, msg: RPCMsg) {.async.} =
check false
let topic = "foobar"
var conns = newSeq[Connection]()
for i in 0..<30:
let conn = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.sendConn = conn
gossipSub.gossipsub[topic].incl(peer)
gossipSub.backingOff
.mgetOrPut(topic, initTable[PeerID, Moment]())
.add(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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 peerId = conns[i].peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
conn.transportDir = Direction.In
conns &= conn
let peerId = PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).tryGet()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.score = 40.0
peer.sendConn = conn
gossipSub.grafted(peer, topic)
gossipSub.mesh[topic].incl(peer)
for i in 0..<7:
let conn = TestBufferStream.new(noop)
conn.transportDir = Direction.Out
conns &= conn
let peerId = PeerId.init(PrivateKey.random(ECDSA, rng[]).get()).tryGet()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(peerId)
peer.handler = handler
gossipSub.grafted(peer, topic)
gossipSub.mesh[topic].incl(peer)
block:
# should ignore no budget peer
let conn = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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 = TestBufferStream.new(noop)
conns &= conn
let peerId = randomPeerId()
conn.peerId = peerId
let peer = gossipSub.getPubSubPeer(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()