package zxchainsdk import "errors" var ( ErrMissingBizID = errors.New("missing biz_id") ErrMissingContent = errors.New("missing content") ErrMissingEvID = errors.New("missing ev_id") ErrMissingHash = errors.New("missing hash") ErrMissingScene = errors.New("missing scene") ErrMissingKVFields = errors.New("missing kv fields") ErrMissingFileName = errors.New("missing file_name") ErrMissingQueryKey = errors.New("missing ev_id, hash or tx_id") ErrEmptyAttestation = errors.New("empty attestation request") )