forked from prysmaticlabs/prysm
/
validator_id_pubkey.go
53 lines (48 loc) · 1.69 KB
/
validator_id_pubkey.go
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package kv
import (
"context"
"github.com/pkg/errors"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
bolt "go.etcd.io/bbolt"
"go.opencensus.io/trace"
)
// ValidatorPubKey accepts validator id and returns the corresponding pubkey.
// Returns nil if the pubkey for this validator id does not exist.
func (db *Store) ValidatorPubKey(ctx context.Context, validatorID uint64) ([]byte, error) {
ctx, span := trace.StartSpan(ctx, "SlasherDB.ValidatorPubKey")
defer span.End()
var pk []byte
err := db.view(func(tx *bolt.Tx) error {
b := tx.Bucket(validatorsPublicKeysBucket)
pk = b.Get(bytesutil.Bytes4(validatorID))
return nil
})
return pk, err
}
// SavePubKey accepts a validator id and its public key and writes it to disk.
func (db *Store) SavePubKey(ctx context.Context, validatorID uint64, pubKey []byte) error {
ctx, span := trace.StartSpan(ctx, "SlasherDB.SavePubKey")
defer span.End()
err := db.update(func(tx *bolt.Tx) error {
bucket := tx.Bucket(validatorsPublicKeysBucket)
key := bytesutil.Bytes4(validatorID)
if err := bucket.Put(key, pubKey); err != nil {
return errors.Wrap(err, "failed to add validator public key to slasher db.")
}
return nil
})
return err
}
// DeletePubKey deletes a public key of a validator id.
func (db *Store) DeletePubKey(ctx context.Context, validatorID uint64) error {
ctx, span := trace.StartSpan(ctx, "SlasherDB.DeletePubKey")
defer span.End()
return db.update(func(tx *bolt.Tx) error {
bucket := tx.Bucket(validatorsPublicKeysBucket)
key := bytesutil.Bytes4(validatorID)
if err := bucket.Delete(key); err != nil {
return errors.Wrap(err, "failed to delete public key from validators public key bucket")
}
return bucket.Delete(key)
})
}