nim-libp2p/tests/pubsub/testgossipinternal.nim

847 lines
29 KiB
Nim

# Nim-LibP2P
# Copyright (c) 2023 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
{.used.}
import std/[options, deques, sequtils, enumerate, algorithm]
import stew/byteutils
import ../../libp2p/builders
import ../../libp2p/errors
import ../../libp2p/crypto/crypto
import ../../libp2p/stream/bufferstream
import ../../libp2p/protocols/pubsub/[pubsub, gossipsub, mcache, mcache, peertable]
import ../../libp2p/protocols/pubsub/rpc/[message, messages]
import ../../libp2p/switch
import ../../libp2p/muxers/muxer
import ../../libp2p/protocols/pubsub/rpc/protobuf
import utils
import ../helpers
proc noop(data: seq[byte]) {.async.} = discard
const MsgIdSuccess = "msg id gen success"
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, data: seq[byte]) {.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, data: seq[byte]) {.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, data: seq[byte]) {.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, data: seq[byte]) {.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).expect(MsgIdSuccess), 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, data: seq[byte]) {.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).expect(MsgIdSuccess), 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, data: seq[byte]) {.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).expect(MsgIdSuccess), 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, data: seq[byte]) {.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).expect(MsgIdSuccess), 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, data: seq[byte]) {.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, encodeRpcMsg(RPCMsg(messages: @[msg]), false))
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, data: seq[byte]) {.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.storeMuxer(Muxer(connection: 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, encodeRpcMsg(lotOfSubs, false))
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, data: seq[byte]) {.async.} =
check false
proc handler2(topic: string, data: seq[byte]) {.async.} = discard
let topic = "foobar"
var conns = newSeq[Connection]()
gossipSub.gossipsub[topic] = initHashSet[PubSubPeer]()
gossipSub.mesh[topic] = initHashSet[PubSubPeer]()
gossipSub.subscribe(topic, handler2)
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())
peer.sentIHaves[^1].incl(id)
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()
proc setupTest(): Future[tuple[gossip0: GossipSub, gossip1: GossipSub, receivedMessages: ref HashSet[seq[byte]]]] {.async.} =
let
nodes = generateNodes(2, gossip = true, verifySignature = false)
discard await allFinished(
nodes[0].switch.start(),
nodes[1].switch.start()
)
await nodes[1].switch.connect(nodes[0].switch.peerInfo.peerId, nodes[0].switch.peerInfo.addrs)
var receivedMessages = new(HashSet[seq[byte]])
proc handlerA(topic: string, data: seq[byte]) {.async.} =
receivedMessages[].incl(data)
proc handlerB(topic: string, data: seq[byte]) {.async.} =
discard
nodes[0].subscribe("foobar", handlerA)
nodes[1].subscribe("foobar", handlerB)
await waitSubGraph(nodes, "foobar")
var gossip0: GossipSub = GossipSub(nodes[0])
var gossip1: GossipSub = GossipSub(nodes[1])
return (gossip0, gossip1, receivedMessages)
proc teardownTest(gossip0: GossipSub, gossip1: GossipSub) {.async.} =
await allFuturesThrowing(
gossip0.switch.stop(),
gossip1.switch.stop()
)
proc createMessages(gossip0: GossipSub, gossip1: GossipSub, size1: int, size2: int): tuple[iwantMessageIds: seq[MessageId], sentMessages: HashSet[seq[byte]]] =
var iwantMessageIds = newSeq[MessageId]()
var sentMessages = initHashSet[seq[byte]]()
for i, size in enumerate([size1, size2]):
let data = newSeqWith[byte](size, i.byte)
sentMessages.incl(data)
let msg = Message.init(gossip1.peerInfo.peerId, data, "foobar", some(uint64(i + 1)))
let iwantMessageId = gossip1.msgIdProvider(msg).expect(MsgIdSuccess)
iwantMessageIds.add(iwantMessageId)
gossip1.mcache.put(iwantMessageId, msg)
let peer = gossip1.peers[(gossip0.peerInfo.peerId)]
peer.sentIHaves[^1].incl(iwantMessageId)
return (iwantMessageIds, sentMessages)
asyncTest "e2e - Split IWANT replies when individual messages are below maxSize but combined exceed maxSize":
# This test checks if two messages, each below the maxSize, are correctly split when their combined size exceeds maxSize.
# Expected: Both messages should be received.
let (gossip0, gossip1, receivedMessages) = await setupTest()
let messageSize = gossip1.maxMessageSize div 2 + 1
let (iwantMessageIds, sentMessages) = createMessages(gossip0, gossip1, messageSize, messageSize)
gossip1.broadcast(gossip1.mesh["foobar"], RPCMsg(control: some(ControlMessage(
ihave: @[ControlIHave(topicId: "foobar", messageIds: iwantMessageIds)]
))))
checkUntilTimeout: receivedMessages[] == sentMessages
check receivedMessages[].len == 2
await teardownTest(gossip0, gossip1)
asyncTest "e2e - Discard IWANT replies when both messages individually exceed maxSize":
# This test checks if two messages, each exceeding the maxSize, are discarded and not sent.
# Expected: No messages should be received.
let (gossip0, gossip1, receivedMessages) = await setupTest()
let messageSize = gossip1.maxMessageSize + 10
let (bigIWantMessageIds, sentMessages) = createMessages(gossip0, gossip1, messageSize, messageSize)
gossip1.broadcast(gossip1.mesh["foobar"], RPCMsg(control: some(ControlMessage(
ihave: @[ControlIHave(topicId: "foobar", messageIds: bigIWantMessageIds)]
))))
await sleepAsync(300.milliseconds)
checkUntilTimeout: receivedMessages[].len == 0
await teardownTest(gossip0, gossip1)
asyncTest "e2e - Process IWANT replies when both messages are below maxSize":
# This test checks if two messages, both below the maxSize, are correctly processed and sent.
# Expected: Both messages should be received.
let (gossip0, gossip1, receivedMessages) = await setupTest()
let size1 = gossip1.maxMessageSize div 2
let size2 = gossip1.maxMessageSize div 3
let (bigIWantMessageIds, sentMessages) = createMessages(gossip0, gossip1, size1, size2)
gossip1.broadcast(gossip1.mesh["foobar"], RPCMsg(control: some(ControlMessage(
ihave: @[ControlIHave(topicId: "foobar", messageIds: bigIWantMessageIds)]
))))
checkUntilTimeout: receivedMessages[] == sentMessages
check receivedMessages[].len == 2
await teardownTest(gossip0, gossip1)
asyncTest "e2e - Split IWANT replies when one message is below maxSize and the other exceeds maxSize":
# This test checks if, when given two messages where one is below maxSize and the other exceeds it, only the smaller message is processed and sent.
# Expected: Only the smaller message should be received.
let (gossip0, gossip1, receivedMessages) = await setupTest()
let maxSize = gossip1.maxMessageSize
let size1 = maxSize div 2
let size2 = maxSize + 10
let (bigIWantMessageIds, sentMessages) = createMessages(gossip0, gossip1, size1, size2)
gossip1.broadcast(gossip1.mesh["foobar"], RPCMsg(control: some(ControlMessage(
ihave: @[ControlIHave(topicId: "foobar", messageIds: bigIWantMessageIds)]
))))
var smallestSet: HashSet[seq[byte]]
let seqs = toSeq(sentMessages)
if seqs[0] < seqs[1]:
smallestSet.incl(seqs[0])
else:
smallestSet.incl(seqs[1])
checkUntilTimeout: receivedMessages[] == smallestSet
check receivedMessages[].len == 1
await teardownTest(gossip0, gossip1)