prysm-pulse/beacon-chain/sync/validate_beacon_blocks_test.go
Nishant Das 508c5fcf2f
More Efficient Validation of Proposer Index (#8107)
* metric

* make it better

* make it better

* gaz

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-12-15 16:27:05 +00:00

863 lines
28 KiB
Go

package sync
import (
"bytes"
"context"
"errors"
"reflect"
"testing"
"time"
lru "github.com/hashicorp/golang-lru"
pubsub "github.com/libp2p/go-libp2p-pubsub"
pubsubpb "github.com/libp2p/go-libp2p-pubsub/pb"
gcache "github.com/patrickmn/go-cache"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/cache"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/beacon-chain/core/state"
dbtest "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/operations/attestations"
"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
p2ptest "github.com/prysmaticlabs/prysm/beacon-chain/p2p/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
mockSync "github.com/prysmaticlabs/prysm/beacon-chain/sync/initial-sync/testing"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"github.com/prysmaticlabs/prysm/shared/abool"
"github.com/prysmaticlabs/prysm/shared/bls"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
logTest "github.com/sirupsen/logrus/hooks/test"
)
// General note for writing validation tests: Use a random value for any field
// on the beacon block to avoid hitting shared global cache conditions across
// tests in this package.
func TestValidateBeaconBlockPubSub_InvalidSignature(t *testing.T) {
ctx := context.Background()
db, _ := dbtest.SetupDB(t)
msg := testutil.NewBeaconBlock()
msg.Block.Slot = 1
msg.Block.ParentRoot = testutil.Random32Bytes(t)
msg.Signature = bytesutil.PadTo([]byte("fake"), 96)
p := p2ptest.NewTestP2P(t)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
chainService := &mock.ChainService{Genesis: time.Now(),
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
}}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
seenBlockCache: c,
badBlockCache: c2,
blockNotifier: chainService.BlockNotifier(),
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_BlockAlreadyPresentInDB(t *testing.T) {
db, _ := dbtest.SetupDB(t)
ctx := context.Background()
p := p2ptest.NewTestP2P(t)
msg := testutil.NewBeaconBlock()
msg.Block.Slot = 100
msg.Block.ParentRoot = testutil.Random32Bytes(t)
require.NoError(t, db.SaveBlock(context.Background(), msg))
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
chainService := &mock.ChainService{Genesis: time.Now()}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
seenBlockCache: c,
badBlockCache: c2,
stateSummaryCache: cache.NewStateSummaryCache(),
blockNotifier: chainService.BlockNotifier(),
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_CanRecoverStateSummary(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
copied := beaconState.Copy()
require.NoError(t, copied.SetSlot(1))
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ParentRoot = bRoot[:]
msg.Block.Slot = 1
msg.Block.ProposerIndex = proposerIdx
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, true, result)
assert.NotNil(t, m.ValidatorData, "Decoded message was not set on the message validator data")
}
func TestValidateBeaconBlockPubSub_ValidProposerSignature(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
require.NoError(t, copied.SetSlot(1))
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ParentRoot = bRoot[:]
msg.Block.Slot = 1
msg.Block.ProposerIndex = proposerIdx
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, true, result)
assert.NotNil(t, m.ValidatorData, "Decoded message was not set on the message validator data")
}
func TestValidateBeaconBlockPubSub_WithLookahead(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
// The next block is only 1 epoch ahead so as to not induce a new seed.
blkSlot := params.BeaconConfig().SlotsPerEpoch * helpers.NextEpoch(copied)
copied, err = state.ProcessSlots(context.Background(), copied, blkSlot)
require.NoError(t, err)
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ProposerIndex = proposerIdx
msg.Block.Slot = blkSlot
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(blkSlot*params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
}}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, true, result)
assert.NotNil(t, m.ValidatorData, "Decoded message was not set on the message validator data")
}
func TestValidateBeaconBlockPubSub_AdvanceEpochsForState(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
// The next block is at least 2 epochs ahead to induce shuffling and a new seed.
blkSlot := params.BeaconConfig().SlotsPerEpoch * 2
copied, err = state.ProcessSlots(context.Background(), copied, blkSlot)
require.NoError(t, err)
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ProposerIndex = proposerIdx
msg.Block.Slot = blkSlot
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(blkSlot*params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
}}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, true, result)
assert.NotNil(t, m.ValidatorData, "Decoded message was not set on the message validator data")
}
func TestValidateBeaconBlockPubSub_Syncing(t *testing.T) {
db, _ := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
b := []byte("sk")
b32 := bytesutil.ToBytes32(b)
sk, err := bls.SecretKeyFromBytes(b32[:])
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ParentRoot = testutil.Random32Bytes(t)
msg.Signature = sk.Sign([]byte("data")).Marshal()
chainService := &mock.ChainService{
Genesis: time.Now(),
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
}}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: true},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_RejectBlocksFromFuture(t *testing.T) {
db, _ := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
b := []byte("sk")
b32 := bytesutil.ToBytes32(b)
sk, err := bls.SecretKeyFromBytes(b32[:])
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.Slot = 1000
msg.Block.ParentRoot = testutil.Random32Bytes(t)
msg.Signature = sk.Sign([]byte("data")).Marshal()
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
chainService := &mock.ChainService{Genesis: time.Now()}
r := &Service{
p2p: p,
db: db,
chainStarted: abool.New(),
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_RejectBlocksFromThePast(t *testing.T) {
db, _ := dbtest.SetupDB(t)
b := []byte("sk")
b32 := bytesutil.ToBytes32(b)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
sk, err := bls.SecretKeyFromBytes(b32[:])
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ParentRoot = testutil.Random32Bytes(t)
msg.Block.Slot = 10
msg.Signature = sk.Sign([]byte("data")).Marshal()
genesisTime := time.Now()
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
chainService := &mock.ChainService{
Genesis: time.Unix(genesisTime.Unix()-1000, 0),
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 1,
},
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_SeenProposerSlot(t *testing.T) {
db, _ := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
proposerIdx, err := helpers.BeaconProposerIndex(beaconState)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.Slot = 1
msg.Block.ProposerIndex = proposerIdx
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: cache.NewStateSummaryCache(),
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
r.setSeenBlockIndexSlot(msg.Block.Slot, msg.Block.ProposerIndex)
time.Sleep(10 * time.Millisecond) // Wait for cached value to pass through buffers.
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_FilterByFinalizedEpoch(t *testing.T) {
hook := logTest.NewGlobal()
db, _ := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
parent := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(context.Background(), parent))
parentRoot, err := parent.Block.HashTreeRoot()
require.NoError(t, err)
chain := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 1,
}}
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
r := &Service{
db: db,
p2p: p,
chain: chain,
blockNotifier: chain.BlockNotifier(),
attPool: attestations.NewPool(),
seenBlockCache: c,
badBlockCache: c2,
initialSync: &mockSync.Sync{IsSyncing: false},
}
b := testutil.NewBeaconBlock()
b.Block.Slot = 1
b.Block.ParentRoot = parentRoot[:]
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, b)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(b)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
r.validateBeaconBlockPubSub(context.Background(), "", m)
hook.Reset()
b.Block.Slot = params.BeaconConfig().SlotsPerEpoch
buf = new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, b)
require.NoError(t, err)
m = &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
r.validateBeaconBlockPubSub(context.Background(), "", m)
}
func TestValidateBeaconBlockPubSub_ParentNotFinalizedDescendant(t *testing.T) {
hook := logTest.NewGlobal()
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
require.NoError(t, copied.SetSlot(1))
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.Slot = 1
msg.Block.ProposerIndex = proposerIdx
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
Root: make([]byte, 32),
},
VerifyBlkDescendantErr: errors.New("not part of finalized chain"),
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
assert.Equal(t, pubsub.ValidationReject, r.validateBeaconBlockPubSub(ctx, "", m), "Wrong validation result returned")
require.LogsContain(t, hook, "not part of finalized chain")
}
func TestValidateBeaconBlockPubSub_InvalidParentBlock(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
require.NoError(t, copied.SetSlot(1))
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ProposerIndex = proposerIdx
msg.Block.Slot = 1
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
// Mutate Signature
copy(msg.Signature[:4], []byte{1, 2, 3, 4})
currBlockRoot, err := msg.Block.HashTreeRoot()
require.NoError(t, err)
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
State: beaconState,
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
}}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
require.NoError(t, copied.SetSlot(2))
proposerIdx, err = helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg = testutil.NewBeaconBlock()
msg.Block.Slot = 2
msg.Block.ProposerIndex = proposerIdx
msg.Block.ParentRoot = currBlockRoot[:]
buf = new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
m = &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
// Expect block with bad parent to fail too
result = r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestValidateBeaconBlockPubSub_RejectEvilBlocksFromFuture(t *testing.T) {
db, stateSummaryCache := dbtest.SetupDB(t)
p := p2ptest.NewTestP2P(t)
ctx := context.Background()
beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
parentBlock := testutil.NewBeaconBlock()
require.NoError(t, db.SaveBlock(ctx, parentBlock))
bRoot, err := parentBlock.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveState(ctx, beaconState, bRoot))
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: bRoot[:]}))
copied := beaconState.Copy()
// The next block is at least 2 epochs ahead to induce shuffling and a new seed.
blkSlot := params.BeaconConfig().SlotsPerEpoch * 2
copied, err = state.ProcessSlots(context.Background(), copied, blkSlot)
require.NoError(t, err)
proposerIdx, err := helpers.BeaconProposerIndex(copied)
require.NoError(t, err)
msg := testutil.NewBeaconBlock()
msg.Block.ProposerIndex = proposerIdx
msg.Block.Slot = blkSlot
perSlot := params.BeaconConfig().SecondsPerSlot
// current slot time
slotsSinceGenesis := uint64(1000)
// max uint, divided by slot time. But avoid losing precision too much.
overflowBase := (1 << 63) / (perSlot >> 1)
msg.Block.Slot = overflowBase + slotsSinceGenesis
// valid block
msg.Block.ParentRoot = bRoot[:]
msg.Signature, err = helpers.ComputeDomainAndSign(beaconState, 0, msg.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
genesisTime := time.Now()
c, err := lru.New(10)
require.NoError(t, err)
c2, err := lru.New(10)
require.NoError(t, err)
stateGen := stategen.New(db, stateSummaryCache)
chainService := &mock.ChainService{
Genesis: time.Unix(genesisTime.Unix()-int64(slotsSinceGenesis*perSlot), 0),
FinalizedCheckPoint: &ethpb.Checkpoint{
Epoch: 0,
},
}
r := &Service{
db: db,
p2p: p,
initialSync: &mockSync.Sync{IsSyncing: false},
chain: chainService,
blockNotifier: chainService.BlockNotifier(),
seenBlockCache: c,
badBlockCache: c2,
slotToPendingBlocks: gcache.New(time.Second, 2*time.Second),
seenPendingBlocks: make(map[[32]byte]bool),
stateSummaryCache: stateSummaryCache,
stateGen: stateGen,
}
buf := new(bytes.Buffer)
_, err = p.Encoding().EncodeGossip(buf, msg)
require.NoError(t, err)
topic := p2p.GossipTypeMapping[reflect.TypeOf(msg)]
m := &pubsub.Message{
Message: &pubsubpb.Message{
Data: buf.Bytes(),
Topic: &topic,
},
}
result := r.validateBeaconBlockPubSub(ctx, "", m) == pubsub.ValidationAccept
assert.Equal(t, false, result)
}
func TestService_setBadBlock_DoesntSetWithContextErr(t *testing.T) {
s := Service{}
require.NoError(t, s.initCaches())
root := [32]byte{'b', 'a', 'd'}
ctx, cancel := context.WithCancel(context.Background())
cancel()
s.setBadBlock(ctx, root)
if s.hasBadBlock(root) {
t.Error("Set bad root with cancelled context")
}
}