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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package kv | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "github.com/prysmaticlabs/prysm/v4/proto/dbval" | ||
| bolt "go.etcd.io/bbolt" | ||
| "go.opencensus.io/trace" | ||
| "google.golang.org/protobuf/proto" | ||
| ) | ||
|
|
||
| // SaveBackfillStatus encodes the given BackfillStatus protobuf struct and writes it to a single key in the db. | ||
| // This value is used by the backfill service to keep track of the range of blocks that need to be synced. It is also used by the | ||
| // code that serves blocks or regenerates states to keep track of what range of blocks are available. | ||
| func (s *Store) SaveBackfillStatus(ctx context.Context, bf *dbval.BackfillStatus) error { | ||
| _, span := trace.StartSpan(ctx, "BeaconDB.SaveBackfillStatus") | ||
| defer span.End() | ||
| bfb, err := proto.Marshal(bf) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return s.db.Update(func(tx *bolt.Tx) error { | ||
| bucket := tx.Bucket(blocksBucket) | ||
| return bucket.Put(backfillStatusKey, bfb) | ||
| }) | ||
| } | ||
|
|
||
| // BackfillStatus retrieves the most recently saved version of the BackfillStatus protobuf struct. | ||
| // This is used to persist information about backfill status across restarts. | ||
| func (s *Store) BackfillStatus(ctx context.Context) (*dbval.BackfillStatus, error) { | ||
| _, span := trace.StartSpan(ctx, "BeaconDB.BackfillStatus") | ||
| defer span.End() | ||
| bf := &dbval.BackfillStatus{} | ||
| err := s.db.View(func(tx *bolt.Tx) error { | ||
| bucket := tx.Bucket(blocksBucket) | ||
| bs := bucket.Get(backfillStatusKey) | ||
| if len(bs) == 0 { | ||
| return errors.Wrap(ErrNotFound, "BackfillStatus not found") | ||
| } | ||
| return proto.Unmarshal(bs, bf) | ||
| }) | ||
| return bf, err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package kv | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
||
| "github.com/prysmaticlabs/prysm/v4/encoding/bytesutil" | ||
| "github.com/prysmaticlabs/prysm/v4/proto/dbval" | ||
| "github.com/prysmaticlabs/prysm/v4/testing/require" | ||
| "google.golang.org/protobuf/proto" | ||
| ) | ||
|
|
||
| func TestBackfillRoundtrip(t *testing.T) { | ||
| db := setupDB(t) | ||
| b := &dbval.BackfillStatus{} | ||
| b.LowSlot = 23 | ||
| b.LowRoot = bytesutil.PadTo([]byte("low"), 32) | ||
| b.LowParentRoot = bytesutil.PadTo([]byte("parent"), 32) | ||
| m, err := proto.Marshal(b) | ||
| require.NoError(t, err) | ||
| ub := &dbval.BackfillStatus{} | ||
| require.NoError(t, proto.Unmarshal(m, ub)) | ||
| require.Equal(t, b.LowSlot, ub.LowSlot) | ||
| require.DeepEqual(t, b.LowRoot, ub.LowRoot) | ||
| require.DeepEqual(t, b.LowParentRoot, ub.LowParentRoot) | ||
|
|
||
| ctx := context.Background() | ||
| require.NoError(t, db.SaveBackfillStatus(ctx, b)) | ||
| dbub, err := db.BackfillStatus(ctx) | ||
| require.NoError(t, err) | ||
|
|
||
| require.Equal(t, b.LowSlot, dbub.LowSlot) | ||
| require.DeepEqual(t, b.LowRoot, dbub.LowRoot) | ||
| require.DeepEqual(t, b.LowParentRoot, dbub.LowParentRoot) | ||
| } |
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