nim-codex/tests/codex/blockexchange/testnetwork.nim

307 lines
7.7 KiB
Nim

import std/sequtils
import std/tables
import pkg/asynctest
import pkg/chronos
import pkg/libp2p
import pkg/libp2p/errors
import pkg/codex/rng
import pkg/codex/chunker
import pkg/codex/blocktype as bt
import pkg/codex/blockexchange
import ../helpers
import ../examples
asyncchecksuite "Network - Handlers":
let
rng = Rng.instance()
seckey = PrivateKey.random(rng[]).tryGet()
peerId = PeerId.init(seckey.getPublicKey().tryGet()).tryGet()
chunker = RandomChunker.new(Rng.instance(), size = 1024, chunkSize = 256)
var
network: BlockExcNetwork
networkPeer: NetworkPeer
buffer: BufferStream
blocks: seq[bt.Block]
done: Future[void]
proc getConn(): Future[Connection] {.async.} =
return Connection(buffer)
setup:
while true:
let chunk = await chunker.getBytes()
if chunk.len <= 0:
break
blocks.add(bt.Block.new(chunk).tryGet())
done = newFuture[void]()
buffer = BufferStream.new()
network = BlockExcNetwork.new(
switch = newStandardSwitch(),
connProvider = getConn)
network.setupPeer(peerId)
networkPeer = network.peers[peerId]
discard await networkPeer.connect()
test "Want List handler":
proc wantListHandler(peer: PeerId, wantList: Wantlist) {.gcsafe, async.} =
# check that we got the correct amount of entries
check wantList.entries.len == 4
for b in blocks:
check b.cid in wantList.entries
let entry = wantList.entries[wantList.entries.find(b.cid)]
check entry.wantType == WantType.WantHave
check entry.priority == 1
check entry.cancel == true
check entry.sendDontHave == true
done.complete()
network.handlers.onWantList = wantListHandler
let wantList = makeWantList(
blocks.mapIt( it.cid ),
1, true, WantType.WantHave,
true, true)
let msg = Message(wantlist: wantList)
await buffer.pushData(lenPrefix(protobufEncode(msg)))
await done.wait(500.millis)
test "Blocks Handler":
proc blocksHandler(peer: PeerId, blks: seq[bt.Block]) {.gcsafe, async.} =
check blks == blocks
done.complete()
network.handlers.onBlocks = blocksHandler
let msg = Message(payload: makeBlocks(blocks))
await buffer.pushData(lenPrefix(protobufEncode(msg)))
await done.wait(500.millis)
test "Presence Handler":
proc presenceHandler(
peer: PeerId,
precense: seq[BlockPresence]) {.gcsafe, async.} =
for b in blocks:
check:
b.cid in precense
done.complete()
network.handlers.onPresence = presenceHandler
let msg = Message(
blockPresences: blocks.mapIt(
BlockPresence(
cid: it.cid.data.buffer,
type: BlockPresenceType.Have
)))
await buffer.pushData(lenPrefix(protobufEncode(msg)))
await done.wait(500.millis)
test "Handles account messages":
let account = Account(address: EthAddress.example)
proc handleAccount(peer: PeerId, received: Account) {.gcsafe, async.} =
check received == account
done.complete()
network.handlers.onAccount = handleAccount
let message = Message(account: AccountMessage.init(account))
await buffer.pushData(lenPrefix(protobufEncode(message)))
await done.wait(100.millis)
test "Handles payment messages":
let payment = SignedState.example
proc handlePayment(peer: PeerId, received: SignedState) {.gcsafe, async.} =
check received == payment
done.complete()
network.handlers.onPayment = handlePayment
let message = Message(payment: StateChannelUpdate.init(payment))
await buffer.pushData(lenPrefix(protobufEncode(message)))
await done.wait(100.millis)
asyncchecksuite "Network - Senders":
let
chunker = RandomChunker.new(Rng.instance(), size = 1024, chunkSize = 256)
var
switch1, switch2: Switch
network1, network2: BlockExcNetwork
blocks: seq[bt.Block]
done: Future[void]
setup:
while true:
let chunk = await chunker.getBytes()
if chunk.len <= 0:
break
blocks.add(bt.Block.new(chunk).tryGet())
done = newFuture[void]()
switch1 = newStandardSwitch()
switch2 = newStandardSwitch()
network1 = BlockExcNetwork.new(
switch = switch1)
switch1.mount(network1)
network2 = BlockExcNetwork.new(
switch = switch2)
switch2.mount(network2)
await switch1.start()
await switch2.start()
await switch1.connect(
switch2.peerInfo.peerId,
switch2.peerInfo.addrs)
teardown:
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
test "Send want list":
proc wantListHandler(peer: PeerId, wantList: Wantlist) {.gcsafe, async.} =
# check that we got the correct amount of entries
check wantList.entries.len == 4
for b in blocks:
check b.cid in wantList.entries
let entry = wantList.entries[wantList.entries.find(b.cid)]
check entry.wantType == WantType.WantHave
check entry.priority == 1
check entry.cancel == true
check entry.sendDontHave == true
done.complete()
network2.handlers.onWantList = wantListHandler
await network1.sendWantList(
switch2.peerInfo.peerId,
blocks.mapIt( it.cid ),
1, true, WantType.WantHave,
true, true)
await done.wait(500.millis)
test "send blocks":
proc blocksHandler(peer: PeerId, blks: seq[bt.Block]) {.gcsafe, async.} =
check blks == blocks
done.complete()
network2.handlers.onBlocks = blocksHandler
await network1.sendBlocks(
switch2.peerInfo.peerId,
blocks)
await done.wait(500.millis)
test "send presence":
proc presenceHandler(
peer: PeerId,
precense: seq[BlockPresence]) {.gcsafe, async.} =
for b in blocks:
check:
b.cid in precense
done.complete()
network2.handlers.onPresence = presenceHandler
await network1.sendBlockPresence(
switch2.peerInfo.peerId,
blocks.mapIt(
BlockPresence(
cid: it.cid.data.buffer,
type: BlockPresenceType.Have
)))
await done.wait(500.millis)
test "send account":
let account = Account(address: EthAddress.example)
proc handleAccount(peer: PeerId, received: Account) {.gcsafe, async.} =
check received == account
done.complete()
network2.handlers.onAccount = handleAccount
await network1.sendAccount(switch2.peerInfo.peerId, account)
await done.wait(500.millis)
test "send payment":
let payment = SignedState.example
proc handlePayment(peer: PeerId, received: SignedState) {.gcsafe, async.} =
check received == payment
done.complete()
network2.handlers.onPayment = handlePayment
await network1.sendPayment(switch2.peerInfo.peerId, payment)
await done.wait(500.millis)
asyncchecksuite "Network - Test Limits":
var
switch1, switch2: Switch
network1, network2: BlockExcNetwork
done: Future[void]
setup:
done = newFuture[void]()
switch1 = newStandardSwitch()
switch2 = newStandardSwitch()
network1 = BlockExcNetwork.new(
switch = switch1,
maxInflight = 0)
switch1.mount(network1)
network2 = BlockExcNetwork.new(
switch = switch2)
switch2.mount(network2)
await switch1.start()
await switch2.start()
await switch1.connect(
switch2.peerInfo.peerId,
switch2.peerInfo.addrs)
teardown:
await allFuturesThrowing(
switch1.stop(),
switch2.stop())
test "Concurrent Sends":
let account = Account(address: EthAddress.example)
network2.handlers.onAccount =
proc(peer: PeerId, received: Account) {.gcsafe, async.} =
check false
let fut = network1.send(
switch2.peerInfo.peerId,
Message(account: AccountMessage.init(account)))
await sleepAsync(100.millis)
check not fut.finished