799 lines
22 KiB
Nim
799 lines
22 KiB
Nim
# Nim-Libp2p
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# Copyright (c) 2023 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 sequtils, options, tables, sets, sugar
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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/gossipsub,
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protocols/pubsub/pubsubpeer,
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protocols/pubsub/peertable,
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protocols/pubsub/timedcache,
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protocols/pubsub/rpc/messages]
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import ../../libp2p/protocols/pubsub/errors as pubsub_errors
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import ../helpers
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proc `$`(peer: PubSubPeer): string = shortLog(peer)
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template tryPublish(call: untyped, require: int, wait = 10.milliseconds, timeout = 5.seconds): untyped =
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var
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expiration = Moment.now() + timeout
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pubs = 0
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while pubs < require and Moment.now() < expiration:
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pubs = pubs + call
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await sleepAsync(wait)
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doAssert pubs >= require, "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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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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(nodesFut.concat())
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asyncTest "GossipSub validation should fail (reject)":
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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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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nodes[1].subscribe("foobar", handler)
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await waitSubGraph(nodes, "foobar")
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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(nodesFut.concat())
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asyncTest "GossipSub validation should fail (ignore)":
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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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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nodes[1].subscribe("foobar", handler)
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await waitSubGraph(nodes, "foobar")
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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.Ignore
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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(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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await subscribeNodes(nodes)
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nodes[1].subscribe("foo", handler)
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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(nodesFut.concat())
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asyncTest "GossipSub unsub - resub faster than backoff":
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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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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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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nodes[0].unsubscribe("foobar", handler)
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nodes[0].subscribe("foobar", handler)
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# regular backoff is 60 seconds, so we must not wait that long
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await (waitSub(nodes[0], nodes[1], "foobar") and waitSub(nodes[1], nodes[0], "foobar")).wait(30.seconds)
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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(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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# 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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await subscribeNodes(nodes)
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nodes[1].subscribe("foobar", handler)
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let gossip1 = GossipSub(nodes[0])
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let gossip2 = GossipSub(nodes[1])
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checkExpiring:
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"foobar" in gossip2.topics and
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"foobar" in gossip1.gossipsub and
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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(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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# 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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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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(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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# 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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await subscribeNodes(nodes)
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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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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(nodesFut.concat())
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check observed == 2
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asyncTest "e2e - GossipSub send over fanout A -> B for subscribed topic":
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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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unsubscribeBackoff = 10.minutes)
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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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GossipSub(nodes[1]).parameters.d = 0
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GossipSub(nodes[1]).parameters.dHigh = 0
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GossipSub(nodes[1]).parameters.dLow = 0
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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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nodes[1].subscribe("foobar", handler)
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let gsNode = GossipSub(nodes[1])
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checkExpiring:
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gsNode.mesh.getOrDefault("foobar").len == 0 and
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GossipSub(nodes[0]).mesh.getOrDefault("foobar").len == 0 and
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(
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GossipSub(nodes[0]).gossipsub.getOrDefault("foobar").len == 1 or
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GossipSub(nodes[0]).fanout.getOrDefault("foobar").len == 1
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)
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tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
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check:
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GossipSub(nodes[0]).fanout.getOrDefault("foobar").len > 0
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GossipSub(nodes[0]).mesh.getOrDefault("foobar").len == 0
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await passed.wait(2.seconds)
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trace "test done, stopping..."
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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(nodesFut.concat())
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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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# 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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await subscribeNodes(nodes)
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nodes[0].subscribe("foobar", handler)
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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(nodesFut.concat())
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|
|
asyncTest "e2e - GossipSub should not send to source & peers who already seen":
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# 3 nodes: A, B, C
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# A publishes, C relays, B is having a long validation
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# so B should not send to anyone
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|
|
let
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nodes = generateNodes(
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3,
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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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nodes[2].switch.start(),
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)
|
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|
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await subscribeNodes(nodes)
|
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|
|
var cRelayed: Future[void] = newFuture[void]()
|
|
var bFinished: Future[void] = newFuture[void]()
|
|
var
|
|
aReceived = 0
|
|
cReceived = 0
|
|
proc handlerA(topic: string, data: seq[byte]) {.async, gcsafe.} =
|
|
inc aReceived
|
|
check aReceived < 2
|
|
proc handlerB(topic: string, data: seq[byte]) {.async, gcsafe.} = discard
|
|
proc handlerC(topic: string, data: seq[byte]) {.async, gcsafe.} =
|
|
inc cReceived
|
|
check cReceived < 2
|
|
cRelayed.complete()
|
|
|
|
nodes[0].subscribe("foobar", handlerA)
|
|
nodes[1].subscribe("foobar", handlerB)
|
|
nodes[2].subscribe("foobar", handlerC)
|
|
await waitSubGraph(nodes, "foobar")
|
|
|
|
var gossip1: GossipSub = GossipSub(nodes[0])
|
|
var gossip2: GossipSub = GossipSub(nodes[1])
|
|
var gossip3: GossipSub = GossipSub(nodes[2])
|
|
|
|
proc slowValidator(topic: string, message: Message): Future[ValidationResult] {.async.} =
|
|
await cRelayed
|
|
# Empty A & C caches to detect duplicates
|
|
gossip1.seen = TimedCache[MessageId].init()
|
|
gossip3.seen = TimedCache[MessageId].init()
|
|
let msgId = toSeq(gossip2.validationSeen.keys)[0]
|
|
checkExpiring(try: gossip2.validationSeen[msgId].len > 0 except: false)
|
|
result = ValidationResult.Accept
|
|
bFinished.complete()
|
|
|
|
nodes[1].addValidator("foobar", slowValidator)
|
|
|
|
checkExpiring(
|
|
gossip1.mesh.getOrDefault("foobar").len == 2 and
|
|
gossip2.mesh.getOrDefault("foobar").len == 2 and
|
|
gossip3.mesh.getOrDefault("foobar").len == 2)
|
|
tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 2
|
|
|
|
await bFinished
|
|
|
|
await allFuturesThrowing(
|
|
nodes[0].switch.stop(),
|
|
nodes[1].switch.stop(),
|
|
nodes[2].switch.stop()
|
|
)
|
|
|
|
await allFuturesThrowing(nodesFut.concat())
|
|
|
|
asyncTest "e2e - GossipSub send over floodPublish A -> B":
|
|
var passed: Future[bool] = newFuture[bool]()
|
|
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
|
|
check topic == "foobar"
|
|
passed.complete(true)
|
|
|
|
let
|
|
nodes = generateNodes(
|
|
2,
|
|
gossip = true)
|
|
|
|
# start switches
|
|
nodesFut = await allFinished(
|
|
nodes[0].switch.start(),
|
|
nodes[1].switch.start(),
|
|
)
|
|
|
|
var gossip1: GossipSub = GossipSub(nodes[0])
|
|
gossip1.parameters.floodPublish = true
|
|
var gossip2: GossipSub = GossipSub(nodes[1])
|
|
gossip2.parameters.floodPublish = true
|
|
|
|
await subscribeNodes(nodes)
|
|
|
|
# nodes[0].subscribe("foobar", handler)
|
|
nodes[1].subscribe("foobar", handler)
|
|
await waitSub(nodes[0], nodes[1], "foobar")
|
|
|
|
tryPublish await nodes[0].publish("foobar", "Hello!".toBytes()), 1
|
|
|
|
check await passed.wait(10.seconds)
|
|
|
|
check:
|
|
"foobar" in gossip1.gossipsub
|
|
"foobar" notin gossip2.gossipsub
|
|
not gossip1.mesh.hasPeerId("foobar", gossip2.peerInfo.peerId)
|
|
not gossip1.fanout.hasPeerId("foobar", gossip2.peerInfo.peerId)
|
|
|
|
await allFuturesThrowing(
|
|
nodes[0].switch.stop(),
|
|
nodes[1].switch.stop()
|
|
)
|
|
|
|
await allFuturesThrowing(nodesFut.concat())
|
|
|
|
asyncTest "e2e - GossipSub with multiple peers":
|
|
var runs = 10
|
|
|
|
let
|
|
nodes = generateNodes(runs, gossip = true, triggerSelf = true)
|
|
nodesFut = nodes.mapIt(it.switch.start())
|
|
|
|
await subscribeNodes(nodes)
|
|
|
|
var seen: Table[string, int]
|
|
var seenFut = newFuture[void]()
|
|
for i in 0..<nodes.len:
|
|
let dialer = nodes[i]
|
|
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()
|
|
|
|
dialer.subscribe("foobar", handler)
|
|
await waitSubGraph(nodes, "foobar")
|
|
|
|
tryPublish await wait(nodes[0].publish("foobar",
|
|
toBytes("from node " &
|
|
$nodes[0].peerInfo.peerId)),
|
|
1.minutes), 1
|
|
|
|
await wait(seenFut, 1.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
|
|
|
|
await allFuturesThrowing(
|
|
nodes.mapIt(
|
|
allFutures(
|
|
it.switch.stop())))
|
|
|
|
await allFuturesThrowing(nodesFut)
|
|
|
|
asyncTest "e2e - GossipSub with multiple peers (sparse)":
|
|
var runs = 10
|
|
|
|
let
|
|
nodes = generateNodes(runs, gossip = true, triggerSelf = true)
|
|
nodesFut = nodes.mapIt(it.switch.start())
|
|
|
|
await subscribeSparseNodes(nodes)
|
|
|
|
var seen: Table[string, int]
|
|
var seenFut = newFuture[void]()
|
|
|
|
for i in 0..<nodes.len:
|
|
let dialer = nodes[i]
|
|
var handler: TopicHandler
|
|
capture dialer, i:
|
|
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()
|
|
|
|
dialer.subscribe("foobar", handler)
|
|
|
|
await waitSubGraph(nodes, "foobar")
|
|
tryPublish await wait(nodes[0].publish("foobar",
|
|
toBytes("from node " &
|
|
$nodes[0].peerInfo.peerId)),
|
|
1.minutes), 1
|
|
|
|
await wait(seenFut, 60.seconds)
|
|
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.switch.stop())))
|
|
|
|
await allFuturesThrowing(nodesFut)
|
|
|
|
asyncTest "e2e - GossipSub peer exchange":
|
|
# A, B & C are subscribed to something
|
|
# B unsubcribe from it, it should send
|
|
# PX to A & C
|
|
#
|
|
# C sent his SPR, not A
|
|
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
|
|
discard # not used in this test
|
|
|
|
let
|
|
nodes = generateNodes(
|
|
2,
|
|
gossip = true,
|
|
enablePX = true) &
|
|
generateNodes(1, gossip = true, sendSignedPeerRecord = true)
|
|
|
|
# start switches
|
|
nodesFut = await allFinished(
|
|
nodes[0].switch.start(),
|
|
nodes[1].switch.start(),
|
|
nodes[2].switch.start(),
|
|
)
|
|
|
|
var
|
|
gossip0 = GossipSub(nodes[0])
|
|
gossip1 = GossipSub(nodes[1])
|
|
gossip2 = GossipSub(nodes[1])
|
|
|
|
await subscribeNodes(nodes)
|
|
|
|
nodes[0].subscribe("foobar", handler)
|
|
nodes[1].subscribe("foobar", handler)
|
|
nodes[2].subscribe("foobar", handler)
|
|
for x in 0..<3:
|
|
for y in 0..<3:
|
|
if x != y:
|
|
await waitSub(nodes[x], nodes[y], "foobar")
|
|
|
|
var passed: Future[void] = newFuture[void]()
|
|
gossip0.routingRecordsHandler.add(proc(peer: PeerId, tag: string, peers: seq[RoutingRecordsPair]) =
|
|
check:
|
|
tag == "foobar"
|
|
peers.len == 2
|
|
peers[0].record.isSome() xor peers[1].record.isSome()
|
|
passed.complete()
|
|
)
|
|
nodes[1].unsubscribe("foobar", handler)
|
|
|
|
await passed.wait(5.seconds)
|
|
|
|
await allFuturesThrowing(
|
|
nodes[0].switch.stop(),
|
|
nodes[1].switch.stop(),
|
|
nodes[2].switch.stop()
|
|
)
|
|
|
|
await allFuturesThrowing(nodesFut.concat())
|