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Optimistic check: handle zeros check point root (#10464)

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* Handle zero roots

* Update chain_info_test.go

* Update chain_info_test.go

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
This commit is contained in:
terence tsao 2022-04-05 07:37:25 -07:00 committed by GitHub
parent 927e338f9e
commit 984575ed57
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 1 deletions
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6
beacon-chain/blockchain/chain_info.go
View File

@ -358,10 +358,14 @@ func (s *Service) IsOptimisticForRoot(ctx context.Context, root [32]byte) (bool,
return false, nil
}
lastValidated, err := s.cfg.BeaconDB.StateSummary(ctx, bytesutil.ToBytes32(validatedCheckpoint.Root))
// checkpoint root could be zeros before the first finalized epoch. Use genesis root if the case.
lastValidated, err := s.cfg.BeaconDB.StateSummary(ctx, s.ensureRootNotZeros(bytesutil.ToBytes32(validatedCheckpoint.Root)))
if err != nil {
return false, err
}
if lastValidated == nil {
return false, errInvalidNilSummary
}
if ss.Slot > lastValidated.Slot {
return true, nil

28
beacon-chain/blockchain/chain_info_test.go
View File

@ -477,6 +477,9 @@ func TestService_IsOptimisticForRoot_DB_ProtoArray(t *testing.T) {
validatedCheckpoint := &ethpb.Checkpoint{Root: br[:]}
require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
_, err = c.IsOptimisticForRoot(ctx, optimisticRoot)
require.ErrorContains(t, "nil summary returned from the DB", err)
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
optimistic, err := c.IsOptimisticForRoot(ctx, optimisticRoot)
require.NoError(t, err)
@ -493,6 +496,17 @@ func TestService_IsOptimisticForRoot_DB_ProtoArray(t *testing.T) {
validated, err := c.IsOptimisticForRoot(ctx, validatedRoot)
require.NoError(t, err)
require.Equal(t, false, validated)
// Before the first finalized epoch, finalized root could be zeros.
validatedCheckpoint = &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, br))
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: params.BeaconConfig().ZeroHash[:], Slot: 10}))
require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
optimistic, err = c.IsOptimisticForRoot(ctx, optimisticRoot)
require.NoError(t, err)
require.Equal(t, true, optimistic)
}
func TestService_IsOptimisticForRoot_DB_DoublyLinkedTree(t *testing.T) {
@ -528,6 +542,9 @@ func TestService_IsOptimisticForRoot_DB_DoublyLinkedTree(t *testing.T) {
validatedCheckpoint := &ethpb.Checkpoint{Root: br[:]}
require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
_, err = c.IsOptimisticForRoot(ctx, optimisticRoot)
require.ErrorContains(t, "nil summary returned from the DB", err)
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
optimistic, err := c.IsOptimisticForRoot(ctx, optimisticRoot)
require.NoError(t, err)
@ -543,6 +560,17 @@ func TestService_IsOptimisticForRoot_DB_DoublyLinkedTree(t *testing.T) {
validated, err := c.IsOptimisticForRoot(ctx, validatedRoot)
require.NoError(t, err)
require.Equal(t, false, validated)
// Before the first finalized epoch, finalized root could be zeros.
validatedCheckpoint = &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, br))
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: params.BeaconConfig().ZeroHash[:], Slot: 10}))
require.NoError(t, beaconDB.SaveLastValidatedCheckpoint(ctx, validatedCheckpoint))
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &ethpb.StateSummary{Root: optimisticRoot[:], Slot: 11}))
optimistic, err = c.IsOptimisticForRoot(ctx, optimisticRoot)
require.NoError(t, err)
require.Equal(t, true, optimistic)
}
func TestService_IsOptimisticForRoot_DB_non_canonical(t *testing.T) {