status-go/wakuv2/waku_test.go

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package wakuv2
import (
"context"
"crypto/rand"
"errors"
"math/big"
"os"
"testing"
"time"
"go.uber.org/zap"
"github.com/cenkalti/backoff/v3"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/crypto"
ethdnsdisc "github.com/ethereum/go-ethereum/p2p/dnsdisc"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/stretchr/testify/require"
"golang.org/x/exp/maps"
"google.golang.org/protobuf/proto"
"github.com/waku-org/go-waku/waku/v2/dnsdisc"
"github.com/waku-org/go-waku/waku/v2/protocol/pb"
"github.com/waku-org/go-waku/waku/v2/protocol/relay"
"github.com/waku-org/go-waku/waku/v2/protocol/store"
"github.com/waku-org/go-waku/waku/v2/protocol/subscription"
"github.com/status-im/status-go/appdatabase"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/protocol/tt"
"github.com/status-im/status-go/t/helpers"
"github.com/status-im/status-go/wakuv2/common"
)
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var testENRBootstrap = "enrtree://AL65EKLJAUXKKPG43HVTML5EFFWEZ7L4LOKTLZCLJASG4DSESQZEC@prod.status.nodes.status.im"
func TestDiscoveryV5(t *testing.T) {
config := &Config{}
config.EnableDiscV5 = true
config.DiscV5BootstrapNodes = []string{testENRBootstrap}
config.DiscoveryLimit = 20
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w, err := New("", "", config, nil, nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, w.Start())
err = tt.RetryWithBackOff(func() error {
if len(w.Peers()) == 0 {
return errors.New("no peers discovered")
}
return nil
})
require.NoError(t, err)
require.NotEqual(t, 0, len(w.Peers()))
require.NoError(t, w.Stop())
}
func TestRestartDiscoveryV5(t *testing.T) {
config := &Config{}
config.EnableDiscV5 = true
// Use wrong discv5 bootstrap address, to simulate being offline
config.DiscV5BootstrapNodes = []string{"enrtree://AOGECG2SPND25EEFMAJ5WF3KSGJNSGV356DSTL2YVLLZWIV6SAYBM@1.1.1.2"}
config.DiscoveryLimit = 20
config.UDPPort = 9002
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w, err := New("", "", config, nil, nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, w.Start())
require.False(t, w.seededBootnodesForDiscV5)
options := func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 2 * time.Second
}
// Sanity check, not great, but it's probably helpful
err = tt.RetryWithBackOff(func() error {
if len(w.Peers()) == 0 {
return errors.New("no peers discovered")
}
return nil
}, options)
require.Error(t, err)
w.discV5BootstrapNodes = []string{testENRBootstrap}
options = func(b *backoff.ExponentialBackOff) {
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b.MaxElapsedTime = 90 * time.Second
}
err = tt.RetryWithBackOff(func() error {
if len(w.Peers()) == 0 {
return errors.New("no peers discovered")
}
return nil
}, options)
require.NoError(t, err)
require.True(t, w.seededBootnodesForDiscV5)
require.NotEqual(t, 0, len(w.Peers()))
require.NoError(t, w.Stop())
}
func TestBasicWakuV2(t *testing.T) {
enrTreeAddress := testENRBootstrap
envEnrTreeAddress := os.Getenv("ENRTREE_ADDRESS")
if envEnrTreeAddress != "" {
enrTreeAddress = envEnrTreeAddress
}
config := &Config{}
config.Port = 0
config.EnableDiscV5 = true
config.DiscV5BootstrapNodes = []string{enrTreeAddress}
config.DiscoveryLimit = 20
config.WakuNodes = []string{enrTreeAddress}
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w, err := New("", "", config, nil, nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, w.Start())
// DNSDiscovery
ctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second)
defer cancel()
discoveredNodes, err := dnsdisc.RetrieveNodes(ctx, enrTreeAddress)
require.NoError(t, err)
// Peer used for retrieving history
r, err := rand.Int(rand.Reader, big.NewInt(int64(len(discoveredNodes))))
require.NoError(t, err)
storeNode := discoveredNodes[int(r.Int64())]
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options := func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 30 * time.Second
}
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// Sanity check, not great, but it's probably helpful
err = tt.RetryWithBackOff(func() error {
if len(w.Peers()) > 2 {
return errors.New("no peers discovered")
}
return nil
}, options)
require.NoError(t, err)
filter := &common.Filter{
Messages: common.NewMemoryMessageStore(),
ContentTopics: common.NewTopicSetFromBytes([][]byte{[]byte{1, 2, 3, 4}}),
}
_, err = w.Subscribe(filter)
require.NoError(t, err)
msgTimestamp := w.timestamp()
contentTopic := maps.Keys(filter.ContentTopics)[0]
_, err = w.Send(relay.DefaultWakuTopic, &pb.WakuMessage{
Payload: []byte{1, 2, 3, 4, 5},
ContentTopic: contentTopic.ContentTopic(),
Version: proto.Uint32(0),
Timestamp: &msgTimestamp,
})
require.NoError(t, err)
time.Sleep(1 * time.Second)
messages := filter.Retrieve()
require.Len(t, messages, 1)
timestampInSeconds := msgTimestamp / int64(time.Second)
marginInSeconds := 20
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options = func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 60 * time.Second
b.InitialInterval = 500 * time.Millisecond
}
err = tt.RetryWithBackOff(func() error {
storeResult, err := w.query(context.Background(), storeNode.PeerID, relay.DefaultWakuTopic, []common.TopicType{contentTopic}, uint64(timestampInSeconds-int64(marginInSeconds)), uint64(timestampInSeconds+int64(marginInSeconds)), []byte{}, []store.HistoryRequestOption{})
if err != nil || len(storeResult.Messages) == 0 {
// in case of failure extend timestamp margin up to 40secs
if marginInSeconds < 40 {
marginInSeconds += 5
}
return errors.New("no messages received from store node")
}
return nil
}, options)
require.NoError(t, err)
require.NoError(t, w.Stop())
}
type mapResolver map[string]string
func (mr mapResolver) LookupTXT(ctx context.Context, name string) ([]string, error) {
if record, ok := mr[name]; ok {
return []string{record}, nil
}
return nil, errors.New("not found")
}
var signingKeyForTesting, _ = crypto.ToECDSA(hexutil.MustDecode("0xdc599867fc513f8f5e2c2c9c489cde5e71362d1d9ec6e693e0de063236ed1240"))
func makeTestTree(domain string, nodes []*enode.Node, links []string) (*ethdnsdisc.Tree, string) {
tree, err := ethdnsdisc.MakeTree(1, nodes, links)
if err != nil {
panic(err)
}
url, err := tree.Sign(signingKeyForTesting, domain)
if err != nil {
panic(err)
}
return tree, url
}
func TestPeerExchange(t *testing.T) {
logger, err := zap.NewDevelopment()
require.NoError(t, err)
// start node which serve as PeerExchange server
config := &Config{}
config.EnableDiscV5 = true
config.EnablePeerExchangeServer = true
config.EnablePeerExchangeClient = false
pxServerNode, err := New("", "", config, logger.Named("pxServerNode"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, pxServerNode.Start())
time.Sleep(1 * time.Second)
// start node that will be discovered by PeerExchange
config = &Config{}
config.EnableDiscV5 = true
config.EnablePeerExchangeServer = false
config.EnablePeerExchangeClient = false
config.DiscV5BootstrapNodes = []string{pxServerNode.node.ENR().String()}
discV5Node, err := New("", "", config, logger.Named("discV5Node"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, discV5Node.Start())
time.Sleep(1 * time.Second)
// start light node which use PeerExchange to discover peers
enrNodes := []*enode.Node{pxServerNode.node.ENR()}
tree, url := makeTestTree("n", enrNodes, nil)
resolver := mapResolver(tree.ToTXT("n"))
config = &Config{}
config.EnablePeerExchangeServer = false
config.EnablePeerExchangeClient = true
config.LightClient = true
config.Resolver = resolver
config.WakuNodes = []string{url}
lightNode, err := New("", "", config, logger.Named("lightNode"), nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, lightNode.Start())
// Sanity check, not great, but it's probably helpful
options := func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 30 * time.Second
}
err = tt.RetryWithBackOff(func() error {
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// we should not use lightNode.Peers() here as it only indicates peers that are connected right now,
// in light client mode,the peer will be closed via `w.node.Host().Network().ClosePeer(peerInfo.ID)`
// after invoking identifyAndConnect, instead, we should check the peerStore, peers from peerStore
// won't get deleted especially if they are statically added.
if len(lightNode.node.Host().Peerstore().Peers()) == 2 {
return nil
}
return errors.New("no peers discovered")
}, options)
require.NoError(t, err)
require.NoError(t, lightNode.Stop())
require.NoError(t, pxServerNode.Stop())
require.NoError(t, discV5Node.Stop())
}
func TestWakuV2Filter(t *testing.T) {
enrTreeAddress := testENRBootstrap
envEnrTreeAddress := os.Getenv("ENRTREE_ADDRESS")
if envEnrTreeAddress != "" {
enrTreeAddress = envEnrTreeAddress
}
config := &Config{}
config.Port = 0
config.LightClient = true
config.KeepAliveInterval = 1
config.MinPeersForFilter = 2
config.EnableDiscV5 = true
config.DiscV5BootstrapNodes = []string{enrTreeAddress}
config.DiscoveryLimit = 20
config.WakuNodes = []string{enrTreeAddress}
fleet := "status.test" // Need a name fleet so that LightClient is not set to false
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w, err := New("", fleet, config, nil, nil, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, w.Start())
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options := func(b *backoff.ExponentialBackOff) {
b.MaxElapsedTime = 10 * time.Second
}
// Sanity check, not great, but it's probably helpful
err = tt.RetryWithBackOff(func() error {
if len(w.Peers()) > 2 {
return errors.New("no peers discovered")
}
return nil
}, options)
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require.NoError(t, err)
filter := &common.Filter{
Messages: common.NewMemoryMessageStore(),
ContentTopics: common.NewTopicSetFromBytes([][]byte{[]byte{1, 2, 3, 4}}),
}
filterID, err := w.Subscribe(filter)
require.NoError(t, err)
msgTimestamp := w.timestamp()
contentTopic := maps.Keys(filter.ContentTopics)[0]
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_, err = w.Send("", &pb.WakuMessage{
Payload: []byte{1, 2, 3, 4, 5},
ContentTopic: contentTopic.ContentTopic(),
Version: proto.Uint32(0),
Timestamp: &msgTimestamp,
})
require.NoError(t, err)
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time.Sleep(15 * time.Second)
// Ensure there is at least 1 active filter subscription
subscriptions := w.node.FilterLightnode().Subscriptions()
require.Greater(t, len(subscriptions), 0)
// Ensure there are some active peers for this filter subscription
stats := w.getFilterStats()
require.Greater(t, len(stats[filterID]), 0)
messages := filter.Retrieve()
require.Len(t, messages, 1)
// Mock peers going down
isFilterSubAliveBak := w.filterManager.isFilterSubAlive
w.filterManager.config.MinPeersForFilter = 0
w.filterManager.isFilterSubAlive = func(sub *subscription.SubscriptionDetails) error {
return errors.New("peer down")
}
time.Sleep(5 * time.Second)
// Ensure there are 0 active peers now
stats = w.getFilterStats()
require.Len(t, stats[filterID], 0)
// Reconnect
w.filterManager.config.MinPeersForFilter = 2
w.filterManager.isFilterSubAlive = isFilterSubAliveBak
time.Sleep(10 * time.Second)
// Ensure there are some active peers now
stats = w.getFilterStats()
require.Greater(t, len(stats[filterID]), 0)
require.NoError(t, w.Stop())
}
func TestWakuV2Store(t *testing.T) {
// Configuration for the first Waku node
config1 := &Config{
Port: 0,
EnableDiscV5: false,
DiscoveryLimit: 20,
EnableStore: false,
StoreCapacity: 100,
StoreSeconds: 3600,
KeepAliveInterval: 10,
}
w1PeersCh := make(chan []string, 100) // buffered not to block on the send side
// Start the first Waku node
w1, err := New("", "", config1, nil, nil, nil, nil, func(cs types.ConnStatus) {
w1PeersCh <- maps.Keys(cs.Peers)
})
require.NoError(t, err)
require.NoError(t, w1.Start())
defer func() {
require.NoError(t, w1.Stop())
close(w1PeersCh)
}()
// Configuration for the second Waku node
sql2, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
require.NoError(t, err)
config2 := &Config{
Port: 0,
EnableDiscV5: false,
DiscoveryLimit: 20,
EnableStore: true,
StoreCapacity: 100,
StoreSeconds: 3600,
KeepAliveInterval: 10,
}
// Start the second Waku node
w2, err := New("", "", config2, nil, sql2, nil, nil, nil)
require.NoError(t, err)
require.NoError(t, w2.Start())
w2EnvelopeCh := make(chan common.EnvelopeEvent, 100)
w2.SubscribeEnvelopeEvents(w2EnvelopeCh)
defer func() {
require.NoError(t, w2.Stop())
close(w2EnvelopeCh)
}()
// Connect the two nodes directly
peer2Addr := w2.node.ListenAddresses()[0].String()
err = w1.node.DialPeer(context.Background(), peer2Addr)
require.NoError(t, err)
waitForPeerConnection(t, w2.node.ID(), w1PeersCh)
// Create a filter for the second node to catch messages
filter := &common.Filter{
Messages: common.NewMemoryMessageStore(),
ContentTopics: common.NewTopicSetFromBytes([][]byte{{1, 2, 3, 4}}),
}
_, err = w2.Subscribe(filter)
require.NoError(t, err)
// Send a message from the first node
msgTimestamp := w1.CurrentTime().UnixNano()
contentTopic := maps.Keys(filter.ContentTopics)[0]
_, err = w1.Send(relay.DefaultWakuTopic, &pb.WakuMessage{
Payload: []byte{1, 2, 3, 4, 5},
ContentTopic: contentTopic.ContentTopic(),
Version: proto.Uint32(0),
Timestamp: &msgTimestamp,
})
require.NoError(t, err)
waitForEnvelope(t, contentTopic.ContentTopic(), w2EnvelopeCh)
// Retrieve the message from the second node's filter
messages := filter.Retrieve()
require.Len(t, messages, 1)
timestampInSeconds := msgTimestamp / int64(time.Second)
marginInSeconds := 5
// Query the second node's store for the message
storeResult, err := w1.query(context.Background(), w2.node.Host().ID(), relay.DefaultWakuTopic, []common.TopicType{contentTopic}, uint64(timestampInSeconds-int64(marginInSeconds)), uint64(timestampInSeconds+int64(marginInSeconds)), []byte{}, []store.HistoryRequestOption{})
require.NoError(t, err)
require.True(t, len(storeResult.Messages) > 0, "no messages received from store node")
}
func waitForPeerConnection(t *testing.T, peerID string, peerCh chan []string) {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
for {
select {
case peers := <-peerCh:
for _, p := range peers {
if p == peerID {
return
}
}
case <-ctx.Done():
require.Fail(t, "timed out waiting for peer "+peerID)
return
}
}
}
func waitForEnvelope(t *testing.T, contentTopic string, envCh chan common.EnvelopeEvent) {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
for {
select {
case env := <-envCh:
if env.Topic.ContentTopic() == contentTopic {
return
}
case <-ctx.Done():
require.Fail(t, "timed out waiting for envelope's topic "+contentTopic)
return
}
}
}