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https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 04:47:18 +00:00
Reject a block which its parent is not part of the finalized chain (#6549)
* Reject a block which its parent is not part of the finalized chain * Refactor verifyBlkDescendant to be public and omit the slot argument, which was only used for error messages * Merge branch 'refactor-verifyBlkDescendant-signature' into reject-bad-block * fix * impl in mock * impl in mock * gofmt * Merge refs/heads/master into refactor-verifyBlkDescendant-signature * Merge branch 'refactor-verifyBlkDescendant-signature' into reject-bad-block * fix test * add test * Merge branch 'refactor-verifyBlkDescendant-signature' into reject-bad-block * gofmt * Merge branch 'master' of github.com:prysmaticlabs/prysm into reject-bad-block * move up in the validation pipeline, @terencechain offline feedback * Merge refs/heads/master into reject-bad-block
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@ -46,6 +46,7 @@ type ChainService struct {
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opNotifier opfeed.Notifier
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ValidAttestation bool
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ForkChoiceStore *protoarray.Store
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VerifyBlkDescendantErr error
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}
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// StateNotifier mocks the same method in the chain service.
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@ -350,5 +351,5 @@ func (ms *ChainService) HeadGenesisValidatorRoot() [32]byte {
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// VerifyBlkDescendant mocks VerifyBlkDescendant and always returns nil.
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func (ms *ChainService) VerifyBlkDescendant(ctx context.Context, root [32]byte) error {
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return nil
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return ms.VerifyBlkDescendantErr
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}
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@ -110,6 +110,11 @@ func (s *Service) validateBeaconBlockPubSub(ctx context.Context, pid peer.ID, ms
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return pubsub.ValidationIgnore
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}
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if err := s.chain.VerifyBlkDescendant(ctx, bytesutil.ToBytes32(blk.Block.ParentRoot)); err != nil {
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log.WithError(err).Warn("Rejecting block")
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return pubsub.ValidationReject
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}
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hasStateSummaryDB := s.db.HasStateSummary(ctx, bytesutil.ToBytes32(blk.Block.ParentRoot))
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hasStateSummaryCache := s.stateSummaryCache.Has(bytesutil.ToBytes32(blk.Block.ParentRoot))
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if !hasStateSummaryDB && !hasStateSummaryCache {
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@ -3,6 +3,7 @@ package sync
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import (
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"bytes"
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"context"
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"errors"
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"reflect"
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"testing"
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"time"
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@ -632,3 +633,96 @@ func TestValidateBeaconBlockPubSub_FilterByFinalizedEpoch(t *testing.T) {
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r.validateBeaconBlockPubSub(context.Background(), "", m)
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testutil.AssertLogsDoNotContain(t, hook, "Block slot older/equal than last finalized epoch start slot, rejecting itt")
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}
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func TestValidateBeaconBlockPubSub_ParentNotFinalizedDescendant(t *testing.T) {
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hook := logTest.NewGlobal()
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db, stateSummaryCache := dbtest.SetupDB(t)
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p := p2ptest.NewTestP2P(t)
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ctx := context.Background()
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beaconState, privKeys := testutil.DeterministicGenesisState(t, 100)
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parentBlock := ðpb.SignedBeaconBlock{
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Block: ðpb.BeaconBlock{
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ProposerIndex: 0,
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Slot: 0,
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},
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}
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if err := db.SaveBlock(ctx, parentBlock); err != nil {
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t.Fatal(err)
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}
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bRoot, err := stateutil.BlockRoot(parentBlock.Block)
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if err := db.SaveState(ctx, beaconState, bRoot); err != nil {
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t.Fatal(err)
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}
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if err := db.SaveStateSummary(ctx, &pb.StateSummary{
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Root: bRoot[:],
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}); err != nil {
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t.Fatal(err)
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}
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copied := beaconState.Copy()
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if err := copied.SetSlot(1); err != nil {
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t.Fatal(err)
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}
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proposerIdx, err := helpers.BeaconProposerIndex(copied)
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if err != nil {
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t.Fatal(err)
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}
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msg := ðpb.SignedBeaconBlock{
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Block: ðpb.BeaconBlock{
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ProposerIndex: proposerIdx,
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Slot: 1,
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ParentRoot: bRoot[:],
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},
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}
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domain, err := helpers.Domain(beaconState.Fork(), 0, params.BeaconConfig().DomainBeaconProposer, beaconState.GenesisValidatorRoot())
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if err != nil {
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t.Fatal(err)
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}
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signingRoot, err := helpers.ComputeSigningRoot(msg.Block, domain)
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if err != nil {
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t.Error(err)
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}
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blockSig := privKeys[proposerIdx].Sign(signingRoot[:]).Marshal()
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msg.Signature = blockSig[:]
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c, err := lru.New(10)
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if err != nil {
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t.Fatal(err)
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}
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stateGen := stategen.New(db, stateSummaryCache)
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chainService := &mock.ChainService{Genesis: time.Unix(time.Now().Unix()-int64(params.BeaconConfig().SecondsPerSlot), 0),
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State: beaconState,
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FinalizedCheckPoint: ðpb.Checkpoint{
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Epoch: 0,
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},
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VerifyBlkDescendantErr: errors.New("not part of finalized chain"),
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}
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r := &Service{
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db: db,
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p2p: p,
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initialSync: &mockSync.Sync{IsSyncing: false},
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chain: chainService,
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blockNotifier: chainService.BlockNotifier(),
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seenBlockCache: c,
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slotToPendingBlocks: make(map[uint64]*ethpb.SignedBeaconBlock),
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seenPendingBlocks: make(map[[32]byte]bool),
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stateSummaryCache: stateSummaryCache,
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stateGen: stateGen,
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}
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buf := new(bytes.Buffer)
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if _, err := p.Encoding().EncodeGossip(buf, msg); err != nil {
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t.Fatal(err)
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}
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m := &pubsub.Message{
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Message: &pubsubpb.Message{
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Data: buf.Bytes(),
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TopicIDs: []string{
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p2p.GossipTypeMapping[reflect.TypeOf(msg)],
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},
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},
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}
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if res := r.validateBeaconBlockPubSub(ctx, "", m); res != pubsub.ValidationReject {
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t.Error("Wrong validation result returned")
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}
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testutil.AssertLogsContain(t, hook, "not part of finalized chain")
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}
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