nim-libp2p/tests/pubsub/testgossipsub.nim

423 lines
12 KiB
Nim

## Nim-Libp2p
## Copyright (c) 2018 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.
import unittest, sequtils, options, tables, sets
import chronos
import utils, ../../libp2p/[switch,
peer,
peerinfo,
connection,
crypto/crypto,
stream/bufferstream,
protocols/pubsub/pubsub,
protocols/pubsub/gossipsub]
proc createGossipSub(): GossipSub =
var peerInfo = PeerInfo.init(PrivateKey.random(RSA))
result = newPubSub(GossipSub, peerInfo)
suite "GossipSub":
test "should add remote peer topic subscriptions":
proc testRun(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
discard
let gossip1 = createGossipSub()
let gossip2 = createGossipSub()
var buf1 = newBufferStream()
var conn1 = newConnection(buf1)
conn1.peerInfo = some(gossip1.peerInfo)
var buf2 = newBufferStream()
var conn2 = newConnection(buf2)
conn2.peerInfo = some(gossip2.peerInfo)
buf1 = buf1 | buf2 | buf1
await gossip1.subscribeToPeer(conn2)
asyncCheck gossip2.handleConn(conn1, GossipSubCodec)
await gossip1.subscribe("foobar", handler)
await sleepAsync(1.seconds)
check:
"foobar" in gossip2.gossipsub
gossip1.peerInfo.id in gossip2.gossipsub["foobar"]
result = true
check:
waitFor(testRun()) == true
test "e2e - should add remote peer topic subscriptions":
proc testBasicGossipSub(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
discard
var nodes: seq[Switch] = newSeq[Switch]()
for i in 0..<2:
nodes.add(createNode(gossip = true))
var awaitters: seq[Future[void]]
for node in nodes:
awaitters.add(await node.start())
await nodes[1].subscribe("foobar", handler)
await sleepAsync(100.millis)
await subscribeNodes(nodes)
let gossip1 = GossipSub(nodes[0].pubSub.get())
let gossip2 = GossipSub(nodes[1].pubSub.get())
check:
"foobar" in gossip2.topics
"foobar" in gossip1.gossipsub
gossip2.peerInfo.id in gossip1.gossipsub["foobar"]
await allFutures(nodes.mapIt(it.stop()))
await allFutures(awaitters)
result = true
check:
waitFor(testBasicGossipSub()) == true
test "should add remote peer topic subscriptions if both peers are subscribed":
proc testRun(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
discard
let gossip1 = createGossipSub()
let gossip2 = createGossipSub()
var buf1 = newBufferStream()
var conn1 = newConnection(buf1)
conn1.peerInfo = some(gossip1.peerInfo)
var buf2 = newBufferStream()
var conn2 = newConnection(buf2)
conn2.peerInfo = some(gossip2.peerInfo)
buf1 = buf1 | buf2 | buf1
await gossip1.subscribeToPeer(conn2)
asyncCheck gossip1.handleConn(conn1, GossipSubCodec)
await gossip2.subscribeToPeer(conn1)
asyncCheck gossip2.handleConn(conn2, GossipSubCodec)
await gossip1.subscribe("foobar", handler)
await gossip2.subscribe("foobar", handler)
await sleepAsync(1.seconds)
check:
"foobar" in gossip1.topics
"foobar" in gossip2.topics
"foobar" in gossip1.gossipsub
"foobar" in gossip2.gossipsub
# TODO: in a real setting, we would be checking for the peerId from
# gossip1 in gossip2 and vice versa, but since we're doing some mockery
# with connection piping and such, this is fine - do not change!
gossip1.peerInfo.id in gossip1.gossipsub["foobar"]
gossip2.peerInfo.id in gossip2.gossipsub["foobar"]
result = true
check:
waitFor(testRun()) == true
test "e2e - should add remote peer topic subscriptions if both peers are subscribed":
proc testBasicGossipSub(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
discard
var nodes: seq[Switch] = newSeq[Switch]()
for i in 0..<2:
nodes.add(createNode(gossip = true))
var awaitters: seq[Future[void]]
for node in nodes:
awaitters.add(await node.start())
await nodes[0].subscribe("foobar", handler)
await sleepAsync(100.millis)
await nodes[1].subscribe("foobar", handler)
await sleepAsync(100.millis)
await subscribeNodes(nodes)
let gossip1 = GossipSub(nodes[0].pubSub.get())
let gossip2 = GossipSub(nodes[1].pubSub.get())
check:
"foobar" in gossip1.topics
"foobar" in gossip2.topics
"foobar" in gossip1.gossipsub
"foobar" in gossip2.gossipsub
gossip1.peerInfo.id in gossip2.gossipsub["foobar"]
gossip2.peerInfo.id in gossip1.gossipsub["foobar"]
await allFutures(nodes.mapIt(it.stop()))
await allFutures(awaitters)
result = true
check:
waitFor(testBasicGossipSub()) == true
# test "send over fanout A -> B":
# proc testRun(): Future[bool] {.async.} =
# var handlerFut = newFuture[bool]()
# proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
# check:
# topic == "foobar"
# cast[string](data) == "Hello!"
# handlerFut.complete(true)
# let gossip1 = createGossipSub()
# let gossip2 = createGossipSub()
# var buf1 = newBufferStream()
# var conn1 = newConnection(buf1)
# var buf2 = newBufferStream()
# var conn2 = newConnection(buf2)
# conn1.peerInfo = gossip2.peerInfo
# conn2.peerInfo = gossip1.peerInfo
# buf1 = buf1 | buf2 | buf1
# await gossip1.subscribeToPeer(conn2)
# asyncCheck gossip1.handleConn(conn1, GossipSubCodec)
# await gossip2.subscribeToPeer(conn1)
# asyncCheck gossip2.handleConn(conn2, GossipSubCodec)
# await gossip1.subscribe("foobar", handler)
# await sleepAsync(1.seconds)
# await gossip2.publish("foobar", cast[seq[byte]]("Hello!"))
# await sleepAsync(1.seconds)
# result = await handlerFut
# check:
# waitFor(testRun()) == true
test "e2e - send over fanout A -> B":
proc testRun(): Future[bool] {.async.} =
var passed: bool
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
passed = true
var nodes = generateNodes(2, true)
var wait = newSeq[Future[void]]()
wait.add(await nodes[0].start())
wait.add(await nodes[1].start())
await subscribeNodes(nodes)
await nodes[1].subscribe("foobar", handler)
await sleepAsync(3.seconds)
await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
await sleepAsync(3.seconds)
var gossipSub1: GossipSub = GossipSub(nodes[0].pubSub.get())
check:
"foobar" in gossipSub1.gossipsub
await nodes[1].stop()
await nodes[0].stop()
await allFutures(wait)
result = passed
check:
waitFor(testRun()) == true
# test "send over mesh A -> B":
# proc testRun(): Future[bool] {.async.} =
# var passed: bool
# proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
# check:
# topic == "foobar"
# cast[string](data) == "Hello!"
# passed = true
# let gossip1 = createGossipSub()
# let gossip2 = createGossipSub()
# var buf1 = newBufferStream()
# var conn1 = newConnection(buf1)
# conn1.peerInfo = gossip1.peerInfo
# var buf2 = newBufferStream()
# var conn2 = newConnection(buf2)
# conn2.peerInfo = gossip2.peerInfo
# buf1 = buf1 | buf2 | buf1
# await gossip1.subscribeToPeer(conn2)
# await gossip2.subscribeToPeer(conn1)
# await gossip1.subscribe("foobar", handler)
# await sleepAsync(1.seconds)
# await gossip2.subscribe("foobar", handler)
# await sleepAsync(1.seconds)
# await gossip2.publish("foobar", cast[seq[byte]]("Hello!"))
# await sleepAsync(1.seconds)
# result = passed
# check:
# waitFor(testRun()) == true
# test "e2e - send over mesh A -> B":
# proc testRun(): Future[bool] {.async.} =
# var passed: bool
# proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
# check topic == "foobar"
# passed = true
# var nodes = generateNodes(2, true)
# var wait = await nodes[1].start()
# await nodes[0].subscribeToPeer(nodes[1].peerInfo)
# await sleepAsync(100.millis)
# await nodes[0].subscribe("foobar", handler)
# await sleepAsync(100.millis)
# await nodes[1].subscribe("foobar", handler)
# await sleepAsync(100.millis)
# await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
# await sleepAsync(1000.millis)
# await nodes[1].stop()
# await allFutures(wait)
# result = passed
# check:
# waitFor(testRun()) == true
# test "with multiple peers":
# proc testRun(): Future[bool] {.async.} =
# var nodes: seq[GossipSub]
# for i in 0..<10:
# nodes.add(createGossipSub())
# var pending: seq[Future[void]]
# var awaitters: seq[Future[void]]
# var seen: Table[string, int]
# for dialer in nodes:
# var handler: TopicHandler
# closureScope:
# var dialerNode = dialer
# handler = proc(topic: string, data: seq[byte]) {.async, gcsafe, closure.} =
# if dialerNode.peerInfo.peerId.get().pretty notin seen:
# seen[dialerNode.peerInfo.peerId.get().pretty] = 0
# seen[dialerNode.peerInfo.peerId.get().pretty].inc
# check topic == "foobar"
# await dialer.subscribe("foobar", handler)
# await sleepAsync(20.millis)
# for i, node in nodes:
# if dialer.peerInfo.peerId != node.peerInfo.peerId:
# var buf1 = newBufferStream()
# var conn1 = newConnection(buf1)
# conn1.peerInfo = dialer.peerInfo
# var buf2 = newBufferStream()
# var conn2 = newConnection(buf2)
# conn2.peerInfo = node.peerInfo
# buf1 = buf2 | buf1
# buf2 = buf1 | buf2
# pending.add(dialer.subscribeToPeer(conn2))
# pending.add(node.subscribeToPeer(conn1))
# await sleepAsync(10.millis)
# awaitters.add(dialer.start())
# await nodes[0].publish("foobar",
# cast[seq[byte]]("from node " &
# nodes[1].peerInfo.peerId.get().pretty))
# await sleepAsync(1000.millis)
# await allFutures(nodes.mapIt(it.stop()))
# await allFutures(awaitters)
# check: seen.len == 9
# for k, v in seen.pairs:
# check: v == 1
# result = true
# check:
# waitFor(testRun()) == true
test "e2e - with multiple peers":
proc testRun(): Future[bool] {.async.} =
var nodes: seq[Switch] = newSeq[Switch]()
var awaitters: seq[Future[void]]
for i in 0..<10:
nodes.add(createNode(none(PrivateKey), "/ip4/127.0.0.1/tcp/0", true, true))
awaitters.add((await nodes[i].start()))
var seen: Table[string, int]
for dialer in nodes:
var handler: TopicHandler
closureScope:
var dialerNode = dialer
handler = proc(topic: string, data: seq[byte]) {.async, gcsafe, closure.} =
if dialerNode.peerInfo.id notin seen:
seen[dialerNode.peerInfo.id] = 0
seen[dialerNode.peerInfo.id].inc
check topic == "foobar"
await dialer.subscribe("foobar", handler)
await sleepAsync(20.millis)
await subscribeNodes(nodes)
await sleepAsync(10.millis)
await nodes[0].publish("foobar",
cast[seq[byte]]("from node " &
nodes[1].peerInfo.id))
await sleepAsync(1000.millis)
await allFutures(nodes.mapIt(it.stop()))
await allFutures(awaitters)
check: seen.len == 10
for k, v in seen.pairs:
check: v == 1
result = true
check:
waitFor(testRun()) == true