func (self *Store) Op_hash(operation *operations.Hash) (ret bucket.BucketReturn) {
opGet := operations.Get{
BucketId: operation.BucketId,
Key: operation.Key,
}
ret = self.Op_get(&opGet)
if !ret.GetCode().IsOk() {
// Error
return
}
if ret.GetCode() == retcode.OkNotFound {
// Not found, so we cannot hash it
return
}
// Ok, something we can hash
returnGet := ret.(*operations.GetReturn)
value := returnGet.Value
hasher := hasher.NewHasher(value)
hashreturn := new(operations.HashReturn)
hashreturn.FirstElementSha256Hash = hasher.FirstElement()
hashreturn.AllElementsSha256Hash = hasher.AllElements()
hashreturn.Status = retcode.NewStatusOk()
return hashreturn
}
func fillMissingHashesAccordingToConfig(returnConfig *operations.ReturnConfig,
value types.Array,
hashes *hashes.Hashes) {
// Can only return hashes if value is available
if returnConfig.HashReturn && value != nil {
// Ok, need hashes
if hashes.AllElementsSha256Hash == nil ||
hashes.FirstElementSha256Hash == nil {
// Ok, hash is missing
hasher := hasher.NewHasher(value)
hashes.FirstElementSha256Hash = hasher.FirstElement()
hashes.AllElementsSha256Hash = hasher.AllElements()
}
}
}