ligo/src/lib_utils/x_error_monad.ml
2019-03-13 11:12:15 +00:00

51 lines
1.1 KiB
OCaml

module Error_monad = Tezos_error_monad.Error_monad
include Error_monad
let to_string err =
let json = json_of_error err in
Tezos_data_encoding.Json.to_string json
let print err =
Format.printf "%s\n" @@ to_string err
let force_ok ?(msg = "") = function
| Ok x -> x
| Error errs ->
Format.printf "Errors :\n";
List.iter print errs ;
raise @@ Failure ("force_ok : " ^ msg)
let is_ok = function
| Ok _ -> true
| Error _ -> false
let force_ok_str ?(msg = "") = function
| Ok x -> x
| Error err ->
Format.printf "Error : %s\n" err;
raise @@ Failure ("force_ok : " ^ msg)
open Memory_proto_alpha
let (>>??) = Alpha_environment.Error_monad.(>>?)
let alpha_wrap a = Alpha_environment.wrap_error a
let force_ok_alpha ~msg a = force_ok ~msg @@ alpha_wrap a
let force_lwt ~msg a = force_ok ~msg @@ Lwt_main.run a
let force_lwt_alpha ~msg a = force_ok ~msg @@ alpha_wrap @@ Lwt_main.run a
let assert_error () = function
| Ok _ -> fail @@ failure "assert_error"
| Error _ -> return ()
let (>>=??) a f =
a >>= fun a ->
match alpha_wrap a with
| Ok result -> f result
| Error errs -> Lwt.return (Error errs)