prysm-pulse/beacon-chain/sync/subscriber_test.go
2023-08-31 08:41:57 -05:00

743 lines
23 KiB
Go

package sync
import (
"context"
"fmt"
"reflect"
"sync"
"testing"
"time"
pubsub "github.com/libp2p/go-libp2p-pubsub"
pubsubpb "github.com/libp2p/go-libp2p-pubsub/pb"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/prysmaticlabs/prysm/v4/async/abool"
mockChain "github.com/prysmaticlabs/prysm/v4/beacon-chain/blockchain/testing"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/cache"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/signing"
db "github.com/prysmaticlabs/prysm/v4/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/operations/slashings"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/p2p"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/p2p/encoder"
p2ptest "github.com/prysmaticlabs/prysm/v4/beacon-chain/p2p/testing"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/startup"
mockSync "github.com/prysmaticlabs/prysm/v4/beacon-chain/sync/initial-sync/testing"
lruwrpr "github.com/prysmaticlabs/prysm/v4/cache/lru"
"github.com/prysmaticlabs/prysm/v4/cmd/beacon-chain/flags"
fieldparams "github.com/prysmaticlabs/prysm/v4/config/fieldparams"
"github.com/prysmaticlabs/prysm/v4/config/params"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
"github.com/prysmaticlabs/prysm/v4/network/forks"
pb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/v4/testing/assert"
"github.com/prysmaticlabs/prysm/v4/testing/require"
"github.com/prysmaticlabs/prysm/v4/testing/util"
"github.com/prysmaticlabs/prysm/v4/time/slots"
logTest "github.com/sirupsen/logrus/hooks/test"
"google.golang.org/protobuf/proto"
)
func TestSubscribe_ReceivesValidMessage(t *testing.T) {
p2pService := p2ptest.NewTestP2P(t)
gt := time.Now()
vr := [32]byte{'A'}
r := Service{
ctx: context.Background(),
cfg: &config{
p2p: p2pService,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: &mockChain.ChainService{
ValidatorsRoot: vr,
Genesis: gt,
},
clock: startup.NewClock(gt, vr),
},
subHandler: newSubTopicHandler(),
chainStarted: abool.New(),
}
var err error
p2pService.Digest, err = r.currentForkDigest()
require.NoError(t, err)
topic := "/eth2/%x/voluntary_exit"
var wg sync.WaitGroup
wg.Add(1)
r.subscribe(topic, r.noopValidator, func(_ context.Context, msg proto.Message) error {
m, ok := msg.(*pb.SignedVoluntaryExit)
assert.Equal(t, true, ok, "Object is not of type *pb.SignedVoluntaryExit")
if m.Exit == nil || m.Exit.Epoch != 55 {
t.Errorf("Unexpected incoming message: %+v", m)
}
wg.Done()
return nil
}, p2pService.Digest)
r.markForChainStart()
p2pService.ReceivePubSub(topic, &pb.SignedVoluntaryExit{Exit: &pb.VoluntaryExit{Epoch: 55}, Signature: make([]byte, fieldparams.BLSSignatureLength)})
if util.WaitTimeout(&wg, time.Second) {
t.Fatal("Did not receive PubSub in 1 second")
}
}
func TestSubscribe_UnsubscribeTopic(t *testing.T) {
p2pService := p2ptest.NewTestP2P(t)
gt := time.Now()
vr := [32]byte{'A'}
r := Service{
ctx: context.Background(),
cfg: &config{
p2p: p2pService,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: &mockChain.ChainService{
ValidatorsRoot: vr,
Genesis: gt,
},
clock: startup.NewClock(gt, vr),
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
var err error
p2pService.Digest, err = r.currentForkDigest()
require.NoError(t, err)
topic := "/eth2/%x/voluntary_exit"
r.subscribe(topic, r.noopValidator, func(_ context.Context, msg proto.Message) error {
return nil
}, p2pService.Digest)
r.markForChainStart()
fullTopic := fmt.Sprintf(topic, p2pService.Digest) + p2pService.Encoding().ProtocolSuffix()
assert.Equal(t, true, r.subHandler.topicExists(fullTopic))
topics := p2pService.PubSub().GetTopics()
assert.Equal(t, fullTopic, topics[0])
r.unSubscribeFromTopic(fullTopic)
assert.Equal(t, false, r.subHandler.topicExists(fullTopic))
assert.Equal(t, 0, len(p2pService.PubSub().GetTopics()))
}
func TestSubscribe_ReceivesAttesterSlashing(t *testing.T) {
params.SetupTestConfigCleanup(t)
cfg := params.MainnetConfig().Copy()
cfg.SecondsPerSlot = 1
params.OverrideBeaconConfig(cfg)
p2pService := p2ptest.NewTestP2P(t)
ctx := context.Background()
d := db.SetupDB(t)
gt := time.Now()
vr := [32]byte{'A'}
chainService := &mockChain.ChainService{
Genesis: gt,
ValidatorsRoot: vr,
}
r := Service{
ctx: ctx,
cfg: &config{
p2p: p2pService,
initialSync: &mockSync.Sync{IsSyncing: false},
slashingPool: slashings.NewPool(),
chain: chainService,
clock: startup.NewClock(gt, vr),
beaconDB: d,
},
seenAttesterSlashingCache: make(map[uint64]bool),
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
topic := "/eth2/%x/attester_slashing"
var wg sync.WaitGroup
wg.Add(1)
var err error
p2pService.Digest, err = r.currentForkDigest()
require.NoError(t, err)
r.subscribe(topic, r.noopValidator, func(ctx context.Context, msg proto.Message) error {
require.NoError(t, r.attesterSlashingSubscriber(ctx, msg))
wg.Done()
return nil
}, p2pService.Digest)
beaconState, privKeys := util.DeterministicGenesisState(t, 64)
chainService.State = beaconState
r.markForChainStart()
attesterSlashing, err := util.GenerateAttesterSlashingForValidator(
beaconState,
privKeys[1],
1, /* validator index */
)
require.NoError(t, err, "Error generating attester slashing")
err = r.cfg.beaconDB.SaveState(ctx, beaconState, bytesutil.ToBytes32(attesterSlashing.Attestation_1.Data.BeaconBlockRoot))
require.NoError(t, err)
p2pService.ReceivePubSub(topic, attesterSlashing)
if util.WaitTimeout(&wg, time.Second) {
t.Fatal("Did not receive PubSub in 1 second")
}
as := r.cfg.slashingPool.PendingAttesterSlashings(ctx, beaconState, false /*noLimit*/)
assert.Equal(t, 1, len(as), "Expected attester slashing")
}
func TestSubscribe_ReceivesProposerSlashing(t *testing.T) {
p2pService := p2ptest.NewTestP2P(t)
ctx := context.Background()
chainService := &mockChain.ChainService{
ValidatorsRoot: [32]byte{'A'},
Genesis: time.Now(),
}
d := db.SetupDB(t)
r := Service{
ctx: ctx,
cfg: &config{
p2p: p2pService,
initialSync: &mockSync.Sync{IsSyncing: false},
slashingPool: slashings.NewPool(),
chain: chainService,
beaconDB: d,
clock: startup.NewClock(chainService.Genesis, chainService.ValidatorsRoot),
},
seenProposerSlashingCache: lruwrpr.New(10),
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
topic := "/eth2/%x/proposer_slashing"
var wg sync.WaitGroup
wg.Add(1)
params.SetupTestConfigCleanup(t)
params.OverrideBeaconConfig(params.MainnetConfig())
var err error
p2pService.Digest, err = r.currentForkDigest()
require.NoError(t, err)
r.subscribe(topic, r.noopValidator, func(ctx context.Context, msg proto.Message) error {
require.NoError(t, r.proposerSlashingSubscriber(ctx, msg))
wg.Done()
return nil
}, p2pService.Digest)
beaconState, privKeys := util.DeterministicGenesisState(t, 64)
chainService.State = beaconState
r.markForChainStart()
proposerSlashing, err := util.GenerateProposerSlashingForValidator(
beaconState,
privKeys[1],
1, /* validator index */
)
require.NoError(t, err, "Error generating proposer slashing")
p2pService.ReceivePubSub(topic, proposerSlashing)
if util.WaitTimeout(&wg, time.Second) {
t.Fatal("Did not receive PubSub in 1 second")
}
ps := r.cfg.slashingPool.PendingProposerSlashings(ctx, beaconState, false /*noLimit*/)
assert.Equal(t, 1, len(ps), "Expected proposer slashing")
}
func TestSubscribe_HandlesPanic(t *testing.T) {
p := p2ptest.NewTestP2P(t)
chain := &mockChain.ChainService{
Genesis: time.Now(),
ValidatorsRoot: [32]byte{'A'},
}
r := Service{
ctx: context.Background(),
cfg: &config{
chain: chain,
clock: startup.NewClock(chain.Genesis, chain.ValidatorsRoot),
p2p: p,
},
subHandler: newSubTopicHandler(),
chainStarted: abool.New(),
}
var err error
p.Digest, err = r.currentForkDigest()
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(&pb.SignedVoluntaryExit{})]
var wg sync.WaitGroup
wg.Add(1)
r.subscribe(topic, r.noopValidator, func(_ context.Context, msg proto.Message) error {
defer wg.Done()
panic("bad")
}, p.Digest)
r.markForChainStart()
p.ReceivePubSub(topic, &pb.SignedVoluntaryExit{Exit: &pb.VoluntaryExit{Epoch: 55}, Signature: make([]byte, fieldparams.BLSSignatureLength)})
if util.WaitTimeout(&wg, time.Second) {
t.Fatal("Did not receive PubSub in 1 second")
}
}
func TestRevalidateSubscription_CorrectlyFormatsTopic(t *testing.T) {
p := p2ptest.NewTestP2P(t)
hook := logTest.NewGlobal()
chain := &mockChain.ChainService{
Genesis: time.Now(),
ValidatorsRoot: [32]byte{'A'},
}
r := Service{
ctx: context.Background(),
cfg: &config{
chain: chain,
clock: startup.NewClock(chain.Genesis, chain.ValidatorsRoot),
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
digest, err := r.currentForkDigest()
require.NoError(t, err)
subscriptions := make(map[uint64]*pubsub.Subscription, params.BeaconConfig().MaxCommitteesPerSlot)
defaultTopic := "/eth2/testing/%#x/committee%d"
// committee index 1
fullTopic := fmt.Sprintf(defaultTopic, digest, 1) + r.cfg.p2p.Encoding().ProtocolSuffix()
_, topVal := r.wrapAndReportValidation(fullTopic, r.noopValidator)
require.NoError(t, r.cfg.p2p.PubSub().RegisterTopicValidator(fullTopic, topVal))
subscriptions[1], err = r.cfg.p2p.SubscribeToTopic(fullTopic)
require.NoError(t, err)
// committee index 2
fullTopic = fmt.Sprintf(defaultTopic, digest, 2) + r.cfg.p2p.Encoding().ProtocolSuffix()
_, topVal = r.wrapAndReportValidation(fullTopic, r.noopValidator)
err = r.cfg.p2p.PubSub().RegisterTopicValidator(fullTopic, topVal)
require.NoError(t, err)
subscriptions[2], err = r.cfg.p2p.SubscribeToTopic(fullTopic)
require.NoError(t, err)
r.reValidateSubscriptions(subscriptions, []uint64{2}, defaultTopic, digest)
require.LogsDoNotContain(t, hook, "Could not unregister topic validator")
}
func TestStaticSubnets(t *testing.T) {
p := p2ptest.NewTestP2P(t)
ctx, cancel := context.WithCancel(context.Background())
chain := &mockChain.ChainService{
Genesis: time.Now(),
ValidatorsRoot: [32]byte{'A'},
}
r := Service{
ctx: ctx,
cfg: &config{
chain: chain,
clock: startup.NewClock(chain.Genesis, chain.ValidatorsRoot),
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
defaultTopic := "/eth2/%x/beacon_attestation_%d"
d, err := r.currentForkDigest()
assert.NoError(t, err)
r.subscribeStaticWithSubnets(defaultTopic, r.noopValidator, func(_ context.Context, msg proto.Message) error {
// no-op
return nil
}, d, params.BeaconNetworkConfig().AttestationSubnetCount)
topics := r.cfg.p2p.PubSub().GetTopics()
if uint64(len(topics)) != params.BeaconNetworkConfig().AttestationSubnetCount {
t.Errorf("Wanted the number of subnet topics registered to be %d but got %d", params.BeaconNetworkConfig().AttestationSubnetCount, len(topics))
}
cancel()
}
func Test_wrapAndReportValidation(t *testing.T) {
mChain := &mockChain.ChainService{
Genesis: time.Now(),
ValidatorsRoot: [32]byte{0x01},
}
fd, err := forks.CreateForkDigest(mChain.GenesisTime(), mChain.ValidatorsRoot[:])
assert.NoError(t, err)
mockTopic := fmt.Sprintf(p2p.BlockSubnetTopicFormat, fd) + encoder.SszNetworkEncoder{}.ProtocolSuffix()
type args struct {
topic string
v wrappedVal
chainstarted bool
pid peer.ID
msg *pubsub.Message
}
tests := []struct {
name string
args args
want pubsub.ValidationResult
}{
{
name: "validator Before chainstart",
args: args{
topic: "foo",
v: func(ctx context.Context, id peer.ID, message *pubsub.Message) (pubsub.ValidationResult, error) {
return pubsub.ValidationAccept, nil
},
msg: &pubsub.Message{
Message: &pubsubpb.Message{
Topic: func() *string {
s := "foo"
return &s
}(),
},
},
chainstarted: false,
},
want: pubsub.ValidationIgnore,
},
{
name: "validator panicked",
args: args{
topic: "foo",
v: func(ctx context.Context, id peer.ID, message *pubsub.Message) (pubsub.ValidationResult, error) {
panic("oh no!")
},
chainstarted: true,
msg: &pubsub.Message{
Message: &pubsubpb.Message{
Topic: func() *string {
s := "foo"
return &s
}(),
},
},
},
want: pubsub.ValidationIgnore,
},
{
name: "validator OK",
args: args{
topic: mockTopic,
v: func(ctx context.Context, id peer.ID, message *pubsub.Message) (pubsub.ValidationResult, error) {
return pubsub.ValidationAccept, nil
},
chainstarted: true,
msg: &pubsub.Message{
Message: &pubsubpb.Message{
Topic: func() *string {
s := mockTopic
return &s
}(),
},
},
},
want: pubsub.ValidationAccept,
},
{
name: "nil topic",
args: args{
topic: "foo",
v: func(ctx context.Context, id peer.ID, message *pubsub.Message) (pubsub.ValidationResult, error) {
return pubsub.ValidationAccept, nil
},
msg: &pubsub.Message{
Message: &pubsubpb.Message{
Topic: nil,
},
},
},
want: pubsub.ValidationReject,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
chainStarted := abool.New()
chainStarted.SetTo(tt.args.chainstarted)
s := &Service{
chainStarted: chainStarted,
cfg: &config{
chain: mChain,
clock: startup.NewClock(mChain.Genesis, mChain.ValidatorsRoot),
},
subHandler: newSubTopicHandler(),
}
_, v := s.wrapAndReportValidation(tt.args.topic, tt.args.v)
got := v(context.Background(), tt.args.pid, tt.args.msg)
if got != tt.want {
t.Errorf("wrapAndReportValidation() got = %v, want %v", got, tt.want)
}
})
}
}
func TestFilterSubnetPeers(t *testing.T) {
params.SetupTestConfigCleanup(t)
cfg := params.MainnetConfig().Copy()
cfg.SecondsPerSlot = 1
params.OverrideBeaconConfig(cfg)
gFlags := new(flags.GlobalFlags)
gFlags.MinimumPeersPerSubnet = 4
flags.Init(gFlags)
// Reset config.
defer flags.Init(new(flags.GlobalFlags))
p := p2ptest.NewTestP2P(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
currSlot := primitives.Slot(100)
gt := time.Now()
genPlus100 := func() time.Time {
return gt.Add(time.Second * time.Duration(uint64(currSlot)*params.BeaconConfig().SecondsPerSlot))
}
chain := &mockChain.ChainService{
Genesis: gt,
ValidatorsRoot: [32]byte{'A'},
FinalizedRoots: map[[32]byte]bool{
{}: true,
},
}
clock := startup.NewClock(chain.Genesis, chain.ValidatorsRoot, startup.WithNower(genPlus100))
require.Equal(t, currSlot, clock.CurrentSlot())
r := Service{
ctx: ctx,
cfg: &config{
chain: chain,
clock: clock,
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
// Empty cache at the end of the test.
defer cache.SubnetIDs.EmptyAllCaches()
digest, err := r.currentForkDigest()
assert.NoError(t, err)
defaultTopic := "/eth2/%x/beacon_attestation_%d" + r.cfg.p2p.Encoding().ProtocolSuffix()
subnet10 := r.addDigestAndIndexToTopic(defaultTopic, digest, 10)
cache.SubnetIDs.AddAggregatorSubnetID(currSlot, 10)
subnet20 := r.addDigestAndIndexToTopic(defaultTopic, digest, 20)
cache.SubnetIDs.AddAttesterSubnetID(currSlot, 20)
p1 := createPeer(t, subnet10)
p2 := createPeer(t, subnet10, subnet20)
p3 := createPeer(t)
// Connect to all
// peers.
p.Connect(p1)
p.Connect(p2)
p.Connect(p3)
// Sleep a while to allow peers to connect.
time.Sleep(100 * time.Millisecond)
wantedPeers := []peer.ID{p1.PeerID(), p2.PeerID(), p3.PeerID()}
// Expect Peer 3 to be marked as suitable.
recPeers := r.filterNeededPeers(wantedPeers)
assert.DeepEqual(t, []peer.ID{p3.PeerID()}, recPeers)
// Try with only peers from subnet 20.
wantedPeers = []peer.ID{p2.BHost.ID()}
// Connect an excess amount of peers in the particular subnet.
for i := 1; i <= flags.Get().MinimumPeersPerSubnet; i++ {
nPeer := createPeer(t, subnet20)
p.Connect(nPeer)
wantedPeers = append(wantedPeers, nPeer.BHost.ID())
time.Sleep(100 * time.Millisecond)
}
recPeers = r.filterNeededPeers(wantedPeers)
assert.Equal(t, 1, len(recPeers), "expected at least 1 suitable peer to prune")
}
func TestSubscribeWithSyncSubnets_StaticOK(t *testing.T) {
params.SetupTestConfigCleanup(t)
cfg := params.MainnetTestConfig().Copy()
cfg.SecondsPerSlot = 1
params.OverrideBeaconConfig(cfg)
p := p2ptest.NewTestP2P(t)
ctx, cancel := context.WithCancel(context.Background())
chain := &mockChain.ChainService{
Genesis: time.Now(),
ValidatorsRoot: [32]byte{'A'},
}
r := Service{
ctx: ctx,
cfg: &config{
chain: chain,
clock: startup.NewClock(chain.Genesis, chain.ValidatorsRoot),
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
// Empty cache at the end of the test.
defer cache.SyncSubnetIDs.EmptyAllCaches()
digest, err := r.currentForkDigest()
assert.NoError(t, err)
r.subscribeStaticWithSyncSubnets(p2p.SyncCommitteeSubnetTopicFormat, nil, nil, digest)
assert.Equal(t, int(params.BeaconConfig().SyncCommitteeSubnetCount), len(r.cfg.p2p.PubSub().GetTopics()))
cancel()
}
func TestSubscribeWithSyncSubnets_DynamicOK(t *testing.T) {
params.SetupTestConfigCleanup(t)
cfg := params.MainnetConfig().Copy()
cfg.SecondsPerSlot = 1
params.OverrideBeaconConfig(cfg)
p := p2ptest.NewTestP2P(t)
ctx, cancel := context.WithCancel(context.Background())
gt := time.Now()
vr := [32]byte{'A'}
r := Service{
ctx: ctx,
cfg: &config{
chain: &mockChain.ChainService{
Genesis: gt,
ValidatorsRoot: vr,
},
p2p: p,
clock: startup.NewClock(gt, vr),
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
// Empty cache at the end of the test.
defer cache.SyncSubnetIDs.EmptyAllCaches()
slot := r.cfg.clock.CurrentSlot()
currEpoch := slots.ToEpoch(slot)
cache.SyncSubnetIDs.AddSyncCommitteeSubnets([]byte("pubkey"), currEpoch, []uint64{0, 1}, 10*time.Second)
digest, err := r.currentForkDigest()
assert.NoError(t, err)
r.subscribeDynamicWithSyncSubnets(p2p.SyncCommitteeSubnetTopicFormat, nil, nil, digest)
time.Sleep(2 * time.Second)
assert.Equal(t, 2, len(r.cfg.p2p.PubSub().GetTopics()))
topicMap := map[string]bool{}
for _, t := range r.cfg.p2p.PubSub().GetTopics() {
topicMap[t] = true
}
firstSub := fmt.Sprintf(p2p.SyncCommitteeSubnetTopicFormat, digest, 0) + r.cfg.p2p.Encoding().ProtocolSuffix()
assert.Equal(t, true, topicMap[firstSub])
secondSub := fmt.Sprintf(p2p.SyncCommitteeSubnetTopicFormat, digest, 1) + r.cfg.p2p.Encoding().ProtocolSuffix()
assert.Equal(t, true, topicMap[secondSub])
cancel()
}
func TestSubscribeWithSyncSubnets_StaticSwitchFork(t *testing.T) {
p := p2ptest.NewTestP2P(t)
params.SetupTestConfigCleanup(t)
cfg := params.BeaconConfig()
cfg.AltairForkEpoch = 1
cfg.SecondsPerSlot = 1
params.OverrideBeaconConfig(cfg)
params.BeaconConfig().InitializeForkSchedule()
ctx, cancel := context.WithCancel(context.Background())
currSlot := primitives.Slot(100)
chain := &mockChain.ChainService{
Genesis: time.Now().Add(-time.Duration(uint64(params.BeaconConfig().SlotsPerEpoch)*params.BeaconConfig().SecondsPerSlot) * time.Second),
ValidatorsRoot: [32]byte{'A'},
Slot: &currSlot,
}
r := Service{
ctx: ctx,
cfg: &config{
chain: chain,
clock: startup.NewClock(chain.Genesis, chain.ValidatorsRoot),
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
// Empty cache at the end of the test.
defer cache.SyncSubnetIDs.EmptyAllCaches()
genRoot := r.cfg.clock.GenesisValidatorsRoot()
digest, err := signing.ComputeForkDigest(params.BeaconConfig().GenesisForkVersion, genRoot[:])
assert.NoError(t, err)
r.subscribeStaticWithSyncSubnets(p2p.SyncCommitteeSubnetTopicFormat, nil, nil, digest)
assert.Equal(t, int(params.BeaconConfig().SyncCommitteeSubnetCount), len(r.cfg.p2p.PubSub().GetTopics()))
// Expect that all old topics will be unsubscribed.
time.Sleep(2 * time.Second)
assert.Equal(t, 0, len(r.cfg.p2p.PubSub().GetTopics()))
cancel()
}
func TestSubscribeWithSyncSubnets_DynamicSwitchFork(t *testing.T) {
params.SetupTestConfigCleanup(t)
p := p2ptest.NewTestP2P(t)
cfg := params.BeaconConfig().Copy()
cfg.AltairForkEpoch = 1
cfg.SecondsPerSlot = 1
cfg.SlotsPerEpoch = 4
params.OverrideBeaconConfig(cfg)
params.BeaconConfig().InitializeForkSchedule()
ctx, cancel := context.WithCancel(context.Background())
currSlot := primitives.Slot(100)
gt := time.Now().Add(-time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
vr := [32]byte{'A'}
r := Service{
ctx: ctx,
cfg: &config{
chain: &mockChain.ChainService{
Genesis: gt,
ValidatorsRoot: vr,
Slot: &currSlot,
},
clock: startup.NewClock(gt, vr),
p2p: p,
},
chainStarted: abool.New(),
subHandler: newSubTopicHandler(),
}
// Empty cache at the end of the test.
defer cache.SyncSubnetIDs.EmptyAllCaches()
cache.SyncSubnetIDs.AddSyncCommitteeSubnets([]byte("pubkey"), 0, []uint64{0, 1}, 10*time.Second)
genRoot := r.cfg.clock.GenesisValidatorsRoot()
digest, err := signing.ComputeForkDigest(params.BeaconConfig().GenesisForkVersion, genRoot[:])
assert.NoError(t, err)
r.subscribeDynamicWithSyncSubnets(p2p.SyncCommitteeSubnetTopicFormat, nil, nil, digest)
time.Sleep(2 * time.Second)
assert.Equal(t, 2, len(r.cfg.p2p.PubSub().GetTopics()))
topicMap := map[string]bool{}
for _, t := range r.cfg.p2p.PubSub().GetTopics() {
topicMap[t] = true
}
firstSub := fmt.Sprintf(p2p.SyncCommitteeSubnetTopicFormat, digest, 0) + r.cfg.p2p.Encoding().ProtocolSuffix()
assert.Equal(t, true, topicMap[firstSub])
secondSub := fmt.Sprintf(p2p.SyncCommitteeSubnetTopicFormat, digest, 1) + r.cfg.p2p.Encoding().ProtocolSuffix()
assert.Equal(t, true, topicMap[secondSub])
// Expect that all old topics will be unsubscribed.
time.Sleep(2 * time.Second)
assert.Equal(t, 0, len(r.cfg.p2p.PubSub().GetTopics()))
cancel()
}
func TestIsDigestValid(t *testing.T) {
genRoot := [32]byte{'A'}
digest, err := signing.ComputeForkDigest(params.BeaconConfig().GenesisForkVersion, genRoot[:])
assert.NoError(t, err)
valid, err := isDigestValid(digest, time.Now().Add(-100*time.Second), genRoot)
assert.NoError(t, err)
assert.Equal(t, true, valid)
// Compute future fork digest that will be invalid currently.
digest, err = signing.ComputeForkDigest(params.BeaconConfig().AltairForkVersion, genRoot[:])
assert.NoError(t, err)
valid, err = isDigestValid(digest, time.Now().Add(-100*time.Second), genRoot)
assert.NoError(t, err)
assert.Equal(t, false, valid)
}
// Create peer and register them to provided topics.
func createPeer(t *testing.T, topics ...string) *p2ptest.TestP2P {
p := p2ptest.NewTestP2P(t)
for _, tp := range topics {
jTop, err := p.PubSub().Join(tp)
if err != nil {
t.Fatal(err)
}
_, err = jTop.Subscribe()
if err != nil {
t.Fatal(err)
}
}
return p
}