prysm-pulse/validator/db/kv/graffiti.go
terencechain d17996f8b0
Update to V4 🚀 (#12134)
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00

40 lines
1.2 KiB
Go

package kv
import (
"bytes"
"context"
"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
bolt "go.etcd.io/bbolt"
)
// SaveGraffitiOrderedIndex writes the current graffiti index to the db
func (s *Store) SaveGraffitiOrderedIndex(_ context.Context, index uint64) error {
return s.db.Update(func(tx *bolt.Tx) error {
bkt := tx.Bucket(graffitiBucket)
indexBytes := bytesutil.Uint64ToBytesBigEndian(index)
return bkt.Put(graffitiOrderedIndexKey, indexBytes)
})
}
// GraffitiOrderedIndex fetches the ordered index, resetting if the file hash changed
func (s *Store) GraffitiOrderedIndex(_ context.Context, fileHash [32]byte) (uint64, error) {
orderedIndex := uint64(0)
err := s.db.Update(func(tx *bolt.Tx) error {
bkt := tx.Bucket(graffitiBucket)
dbFileHash := bkt.Get(graffitiFileHashKey)
if bytes.Equal(dbFileHash, fileHash[:]) {
indexBytes := bkt.Get(graffitiOrderedIndexKey)
orderedIndex = bytesutil.BytesToUint64BigEndian(indexBytes)
} else {
indexBytes := bytesutil.Uint64ToBytesBigEndian(0)
if err := bkt.Put(graffitiOrderedIndexKey, indexBytes); err != nil {
return err
}
return bkt.Put(graffitiFileHashKey, fileHash[:])
}
return nil
})
return orderedIndex, err
}