prysm-pulse/beacon-chain/db/kv/powchain.go
Raul Jordan 9935ca3733
Move Shared/ Subpackages Into Monitoring/ Folder (#9591)
* add tracing

* monitoring pkg

* move prom

* Add client stats

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-14 20:59:51 +00:00

54 lines
1.3 KiB
Go

package kv
import (
"context"
"errors"
"github.com/prysmaticlabs/prysm/monitoring/tracing"
v2 "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
bolt "go.etcd.io/bbolt"
"go.opencensus.io/trace"
"google.golang.org/protobuf/proto"
)
// SavePowchainData saves the pow chain data.
func (s *Store) SavePowchainData(ctx context.Context, data *v2.ETH1ChainData) error {
ctx, span := trace.StartSpan(ctx, "BeaconDB.SavePowchainData")
defer span.End()
if data == nil {
err := errors.New("cannot save nil eth1data")
tracing.AnnotateError(span, err)
return err
}
err := s.db.Update(func(tx *bolt.Tx) error {
bkt := tx.Bucket(powchainBucket)
enc, err := proto.Marshal(data)
if err != nil {
return err
}
return bkt.Put(powchainDataKey, enc)
})
tracing.AnnotateError(span, err)
return err
}
// PowchainData retrieves the powchain data.
func (s *Store) PowchainData(ctx context.Context) (*v2.ETH1ChainData, error) {
ctx, span := trace.StartSpan(ctx, "BeaconDB.PowchainData")
defer span.End()
var data *v2.ETH1ChainData
err := s.db.View(func(tx *bolt.Tx) error {
bkt := tx.Bucket(powchainBucket)
enc := bkt.Get(powchainDataKey)
if len(enc) == 0 {
return nil
}
data = &v2.ETH1ChainData{}
return proto.Unmarshal(enc, data)
})
return data, err
}