606 lines
16 KiB
Nim
606 lines
16 KiB
Nim
## Nim-Libp2p
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## Copyright (c) 2018 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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{.used.}
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import unittest, sequtils, options, tables, sets
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import chronos, stew/byteutils
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import chronicles
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import utils, ../../libp2p/[errors,
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peerid,
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peerinfo,
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stream/connection,
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stream/bufferstream,
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crypto/crypto,
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protocols/pubsub/pubsub,
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protocols/pubsub/pubsubpeer,
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protocols/pubsub/peertable,
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protocols/pubsub/rpc/messages]
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when defined(fallback_gossipsub_10):
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import ../../libp2p/protocols/pubsub/gossipsub10
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else:
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import ../../libp2p/protocols/pubsub/gossipsub
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import ../helpers
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proc waitSub(sender, receiver: auto; key: string) {.async, gcsafe.} =
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if sender == receiver:
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return
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# turn things deterministic
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# this is for testing purposes only
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# peers can be inside `mesh` and `fanout`, not just `gossipsub`
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var ceil = 15
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let fsub = GossipSub(sender)
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let ev = newAsyncEvent()
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fsub.heartbeatEvents.add(ev)
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# await first heartbeat
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await ev.wait()
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ev.clear()
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while (not fsub.gossipsub.hasKey(key) or
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not fsub.gossipsub.hasPeerID(key, receiver.peerInfo.peerId)) and
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(not fsub.mesh.hasKey(key) or
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not fsub.mesh.hasPeerID(key, receiver.peerInfo.peerId)) and
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(not fsub.fanout.hasKey(key) or
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not fsub.fanout.hasPeerID(key , receiver.peerInfo.peerId)):
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trace "waitSub sleeping..."
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# await more heartbeats
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await ev.wait()
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ev.clear()
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dec ceil
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doAssert(ceil > 0, "waitSub timeout!")
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template tryPublish(call: untyped, require: int, wait: Duration = 1.seconds, times: int = 10): untyped =
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var
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limit = times
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pubs = 0
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while pubs < require and limit > 0:
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pubs = pubs + call
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await sleepAsync(wait)
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limit.dec()
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if limit == 0:
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doAssert(false, "Failed to publish!")
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suite "GossipSub":
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teardown:
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checkTrackers()
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asyncTest "GossipSub validation should succeed":
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var handlerFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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handlerFut.complete(true)
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let
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nodes = generateNodes(2, gossip = true)
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[0].subscribe("foobar", handler)
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await nodes[1].subscribe("foobar", handler)
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var subs: seq[Future[void]]
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subs &= waitSub(nodes[1], nodes[0], "foobar")
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subs &= waitSub(nodes[0], nodes[1], "foobar")
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await allFuturesThrowing(subs)
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var validatorFut = newFuture[bool]()
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proc validator(topic: string,
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message: Message):
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Future[ValidationResult] {.async.} =
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check topic == "foobar"
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validatorFut.complete(true)
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result = ValidationResult.Accept
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nodes[1].addValidator("foobar", validator)
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tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
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check (await validatorFut) and (await handlerFut)
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "GossipSub validation should fail":
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check false # if we get here, it should fail
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let
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nodes = generateNodes(2, gossip = true)
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[0].subscribe("foobar", handler)
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await nodes[1].subscribe("foobar", handler)
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var subs: seq[Future[void]]
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subs &= waitSub(nodes[1], nodes[0], "foobar")
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subs &= waitSub(nodes[0], nodes[1], "foobar")
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await allFuturesThrowing(subs)
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let gossip1 = GossipSub(nodes[0])
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let gossip2 = GossipSub(nodes[1])
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check:
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gossip1.mesh["foobar"].len == 1 and "foobar" notin gossip1.fanout
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gossip2.mesh["foobar"].len == 1 and "foobar" notin gossip2.fanout
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var validatorFut = newFuture[bool]()
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proc validator(topic: string,
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message: Message):
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Future[ValidationResult] {.async.} =
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result = ValidationResult.Reject
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validatorFut.complete(true)
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nodes[1].addValidator("foobar", validator)
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tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
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check (await validatorFut) == true
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "GossipSub validation one fails and one succeeds":
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var handlerFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foo"
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handlerFut.complete(true)
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let
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nodes = generateNodes(2, gossip = true)
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foo", handler)
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await nodes[1].subscribe("bar", handler)
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var passed, failed: Future[bool] = newFuture[bool]()
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proc validator(topic: string,
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message: Message):
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Future[ValidationResult] {.async.} =
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result = if topic == "foo":
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passed.complete(true)
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ValidationResult.Accept
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else:
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failed.complete(true)
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ValidationResult.Reject
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nodes[1].addValidator("foo", "bar", validator)
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tryPublish await nodes[0].publish("foo", "Hello!".toBytes()), 1
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tryPublish await nodes[0].publish("bar", "Hello!".toBytes()), 1
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check ((await passed) and (await failed) and (await handlerFut))
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let gossip1 = GossipSub(nodes[0])
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let gossip2 = GossipSub(nodes[1])
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check:
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"foo" notin gossip1.mesh and gossip1.fanout["foo"].len == 1
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"foo" notin gossip2.mesh and "foo" notin gossip2.fanout
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"bar" notin gossip1.mesh and gossip1.fanout["bar"].len == 1
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"bar" notin gossip2.mesh and "bar" notin gossip2.fanout
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "e2e - GossipSub should add remote peer topic subscriptions":
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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discard
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let
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nodes = generateNodes(
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2,
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gossip = true,
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secureManagers = [SecureProtocol.Noise])
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foobar", handler)
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await sleepAsync(10.seconds)
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let gossip1 = GossipSub(nodes[0])
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let gossip2 = GossipSub(nodes[1])
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check:
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"foobar" in gossip2.topics
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"foobar" in gossip1.gossipsub
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gossip1.gossipsub.hasPeerID("foobar", gossip2.peerInfo.peerId)
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "e2e - GossipSub should add remote peer topic subscriptions if both peers are subscribed":
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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discard
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let
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nodes = generateNodes(
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2,
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gossip = true,
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secureManagers = [SecureProtocol.Secio])
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[0].subscribe("foobar", handler)
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await nodes[1].subscribe("foobar", handler)
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var subs: seq[Future[void]]
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subs &= waitSub(nodes[1], nodes[0], "foobar")
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subs &= waitSub(nodes[0], nodes[1], "foobar")
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await allFuturesThrowing(subs)
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let
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gossip1 = GossipSub(nodes[0])
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gossip2 = GossipSub(nodes[1])
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check:
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"foobar" in gossip1.topics
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"foobar" in gossip2.topics
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"foobar" in gossip1.gossipsub
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"foobar" in gossip2.gossipsub
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gossip1.gossipsub.hasPeerID("foobar", gossip2.peerInfo.peerId) or
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gossip1.mesh.hasPeerID("foobar", gossip2.peerInfo.peerId)
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gossip2.gossipsub.hasPeerID("foobar", gossip1.peerInfo.peerId) or
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gossip2.mesh.hasPeerID("foobar", gossip1.peerInfo.peerId)
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "e2e - GossipSub send over fanout A -> B":
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var passed = newFuture[void]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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passed.complete()
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let
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nodes = generateNodes(
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2,
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gossip = true,
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secureManagers = [SecureProtocol.Secio])
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foobar", handler)
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await waitSub(nodes[0], nodes[1], "foobar")
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var observed = 0
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let
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obs1 = PubSubObserver(onRecv: proc(peer: PubSubPeer; msgs: var RPCMsg) =
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inc observed
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)
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obs2 = PubSubObserver(onSend: proc(peer: PubSubPeer; msgs: var RPCMsg) =
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inc observed
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)
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nodes[1].addObserver(obs1)
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nodes[0].addObserver(obs2)
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tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
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var gossip1: GossipSub = GossipSub(nodes[0])
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var gossip2: GossipSub = GossipSub(nodes[1])
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check:
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"foobar" in gossip1.gossipsub
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gossip1.fanout.hasPeerID("foobar", gossip2.peerInfo.peerId)
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not gossip1.mesh.hasPeerID("foobar", gossip2.peerInfo.peerId)
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await passed.wait(2.seconds)
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trace "test done, stopping..."
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await nodes[0].stop()
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await nodes[1].stop()
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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check observed == 2
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asyncTest "e2e - GossipSub send over mesh A -> B":
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var passed: Future[bool] = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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passed.complete(true)
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let
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nodes = generateNodes(
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2,
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gossip = true,
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secureManagers = [SecureProtocol.Secio])
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# start switches
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nodesFut = await allFinished(
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nodes[0].switch.start(),
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nodes[1].switch.start(),
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)
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# start pubsub
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await allFuturesThrowing(
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allFinished(
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nodes[0].start(),
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nodes[1].start(),
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))
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await subscribeNodes(nodes)
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await nodes[0].subscribe("foobar", handler)
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await nodes[1].subscribe("foobar", handler)
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await waitSub(nodes[0], nodes[1], "foobar")
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tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
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check await passed
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var gossip1: GossipSub = GossipSub(nodes[0])
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var gossip2: GossipSub = GossipSub(nodes[1])
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check:
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"foobar" in gossip1.gossipsub
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"foobar" in gossip2.gossipsub
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gossip1.mesh.hasPeerID("foobar", gossip2.peerInfo.peerId)
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not gossip1.fanout.hasPeerID("foobar", gossip2.peerInfo.peerId)
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gossip2.mesh.hasPeerID("foobar", gossip1.peerInfo.peerId)
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not gossip2.fanout.hasPeerID("foobar", gossip1.peerInfo.peerId)
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await allFuturesThrowing(
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nodes[0].switch.stop(),
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nodes[1].switch.stop()
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)
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await allFuturesThrowing(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await allFuturesThrowing(nodesFut.concat())
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asyncTest "e2e - GossipSub with multiple peers":
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var runs = 10
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let
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nodes = generateNodes(runs, gossip = true, triggerSelf = true)
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nodesFut = nodes.mapIt(it.switch.start())
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await allFuturesThrowing(nodes.mapIt(it.start()))
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await subscribeNodes(nodes)
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var seen: Table[string, int]
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var seenFut = newFuture[void]()
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for dialer in nodes:
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var handler: TopicHandler
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closureScope:
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var peerName = $dialer.peerInfo.peerId
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handler = proc(topic: string, data: seq[byte]) {.async, gcsafe, closure.} =
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if peerName notin seen:
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seen[peerName] = 0
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seen[peerName].inc
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check topic == "foobar"
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if not seenFut.finished() and seen.len >= runs:
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seenFut.complete()
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await dialer.subscribe("foobar", handler)
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await waitSub(nodes[0], dialer, "foobar")
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tryPublish await wait(nodes[0].publish("foobar",
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toBytes("from node " &
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$nodes[0].peerInfo.peerId)),
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1.minutes), 1, 5.seconds
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await wait(seenFut, 2.minutes)
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check: seen.len >= runs
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for k, v in seen.pairs:
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check: v >= 1
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for node in nodes:
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var gossip = GossipSub(node)
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check:
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"foobar" in gossip.gossipsub
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await allFuturesThrowing(
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nodes.mapIt(
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allFutures(
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it.stop(),
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it.switch.stop())))
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await allFuturesThrowing(nodesFut)
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asyncTest "e2e - GossipSub with multiple peers (sparse)":
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var runs = 10
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let
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nodes = generateNodes(runs, gossip = true, triggerSelf = true)
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|
nodesFut = nodes.mapIt(it.switch.start())
|
|
|
|
await allFuturesThrowing(nodes.mapIt(it.start()))
|
|
await subscribeNodes(nodes)
|
|
|
|
var seen: Table[string, int]
|
|
var seenFut = newFuture[void]()
|
|
for dialer in nodes:
|
|
var handler: TopicHandler
|
|
closureScope:
|
|
var peerName = $dialer.peerInfo.peerId
|
|
handler = proc(topic: string, data: seq[byte]) {.async, gcsafe, closure.} =
|
|
if peerName notin seen:
|
|
seen[peerName] = 0
|
|
seen[peerName].inc
|
|
check topic == "foobar"
|
|
if not seenFut.finished() and seen.len >= runs:
|
|
seenFut.complete()
|
|
|
|
await dialer.subscribe("foobar", handler)
|
|
await waitSub(nodes[0], dialer, "foobar")
|
|
|
|
tryPublish await wait(nodes[0].publish("foobar",
|
|
toBytes("from node " &
|
|
$nodes[0].peerInfo.peerId)),
|
|
1.minutes), 1, 5.seconds
|
|
|
|
await wait(seenFut, 5.minutes)
|
|
check: seen.len >= runs
|
|
for k, v in seen.pairs:
|
|
check: v >= 1
|
|
|
|
for node in nodes:
|
|
var gossip = GossipSub(node)
|
|
check:
|
|
"foobar" in gossip.gossipsub
|
|
gossip.fanout.len == 0
|
|
gossip.mesh["foobar"].len > 0
|
|
|
|
await allFuturesThrowing(
|
|
nodes.mapIt(
|
|
allFutures(
|
|
it.stop(),
|
|
it.switch.stop())))
|
|
|
|
await allFuturesThrowing(nodesFut)
|