func (app *App) OpenKV(tx *db.Tx, storage *db.VolumeStorage) (kv.KV, error) {
var kvstores []kv.KV
c := storage.Cursor()
for item := c.First(); item != nil; item = c.Next() {
backend, err := item.Backend()
if err != nil {
return nil, err
}
s, err := app.openStorage(backend)
if err != nil {
return nil, err
}
sharingKeyName, err := item.SharingKeyName()
if err != nil {
return nil, err
}
sharingKey, err := tx.SharingKeys().Get(sharingKeyName)
if err != nil {
return nil, fmt.Errorf("getting sharing key %q: %v", sharingKeyName, err)
}
var secret [32]byte
sharingKey.Secret(&secret)
s = untrusted.New(s, &secret)
kvstores = append(kvstores, s)
}
return kvmulti.New(kvstores...), nil
}
