nwaku/tests/test_waku_switch.nim

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{.used.}
import
testutils/unittests,
chronos,
libp2p,
libp2p/protocols/connectivity/autonat/client,
libp2p/protocols/connectivity/relay/relay,
libp2p/protocols/connectivity/relay/client,
stew/byteutils
import
../../waku/node/waku_switch,
./testlib/common,
./testlib/wakucore
proc newCircuitRelayClientSwitch(relayClient: RelayClient): Switch =
SwitchBuilder.new()
.withRng(rng())
.withAddresses(@[MultiAddress.init("/ip4/0.0.0.0/tcp/0").tryGet()])
.withTcpTransport()
.withMplex()
.withNoise()
.withCircuitRelay(relayClient)
.build()
suite "Waku Switch":
asyncTest "Waku Switch works with AutoNat":
## Given
let
sourceSwitch = newTestSwitch()
wakuSwitch = newWakuSwitch(rng = rng())
await sourceSwitch.start()
await wakuSwitch.start()
## When
await sourceSwitch.connect(wakuSwitch.peerInfo.peerId, wakuSwitch.peerInfo.addrs)
let ma = await AutonatClient.new().dialMe(sourceSwitch, wakuSwitch.peerInfo.peerId, wakuSwitch.peerInfo.addrs)
## Then
check:
ma == sourceSwitch.peerInfo.addrs[0]
## Teardown
await allFutures(sourceSwitch.stop(), wakuSwitch.stop())
asyncTest "Waku Switch acts as circuit relayer":
## Setup
let
wakuSwitch = newWakuSwitch(rng = rng())
sourceClient = RelayClient.new()
destClient = RelayClient.new()
sourceSwitch = newCircuitRelayClientSwitch(sourceClient)
destSwitch = newCircuitRelayClientSwitch(destClient)
# Setup client relays
sourceClient.setup(sourceSwitch)
destClient.setup(destSwitch)
await allFutures(wakuSwitch.start(), sourceSwitch.start(), destSwitch.start())
## Given
let
# Create a relay address to destSwitch using wakuSwitch as the relay
addrs = MultiAddress.init($wakuSwitch.peerInfo.addrs[0] & "/p2p/" &
$wakuSwitch.peerInfo.peerId & "/p2p-circuit").get()
msg = "Just one relay away..."
# Create a custom protocol
let customProtoCodec = "/vac/waku/test/1.0.0"
var
completionFut = newFuture[bool]()
proto = new LPProtocol
proto.codec = customProtoCodec
proto.handler = proc(conn: Connection, proto: string) {.async.} =
assert (await conn.readLp(1024)) == msg.toBytes()
completionFut.complete(true)
await proto.start()
destSwitch.mount(proto)
## When
# Connect destSwitch to the relay
await destSwitch.connect(wakuSwitch.peerInfo.peerId, wakuSwitch.peerInfo.addrs)
# Connect sourceSwitch to the relay
await sourceSwitch.connect(wakuSwitch.peerInfo.peerId, wakuSwitch.peerInfo.addrs)
# destClient reserves a slot on the relay.
let rsvp = await destClient.reserve(wakuSwitch.peerInfo.peerId, wakuSwitch.peerInfo.addrs)
# sourceSwitch dial destSwitch using the relay
let conn = await sourceSwitch.dial(destSwitch.peerInfo.peerId, @[addrs], customProtoCodec)
await conn.writeLp(msg)
## Then
check:
await completionFut.withTimeout(3.seconds)
## Teardown
await allFutures(wakuSwitch.stop(), sourceSwitch.stop(), destSwitch.stop())