offline tool: add global-fees cmd

global_fees.json

@@ -0,0 +1 @@
+{"start_date":{"t_s":1234.5},"end_date":{"t_s":99999999.900000006},"history_fee":"EUR:0.00","account_fee":"EUR:0.00","purse_fee":"EUR:0.00","history_expiration":{"t_s":9999999000000},"purse_account_limit":1,"purse_timeout":{"t_s":9999999000000},"master_sig":"C3XVRW8E4NRFRHETFY6F44PTYDEK8S35RFR5RR690A21HAK7T6P9KBBGXBD87T0XQ0MPQMTDJFT14MJZSHND3XEB8HQ7FQETVXNM008="}

src/amount.ml

@@ -117,3 +117,5 @@ let bin_nbo =
   |+ field beint32 (fun t -> t.fraction)
   |+ field (bytes currency_len) (fun t -> pad_currency t.currency)
   |> sealr
+
+let dummy_value = "DUMMY:0.0" |> of_string |> Result.get_ok

src/amount.mli

@@ -25,3 +25,7 @@ val jsont : t Jsont.t
 (* only for encoding *)
 val bin : t Bin.t
 val bin_nbo : t Bin.t
+
+(* TODO
+   dummy value to use as placeholder for WIP *)
+val dummy_value : t

src/http_management.ml

@@ -433,13 +433,10 @@ module Global_fees = struct
           purse_timeout;
           master_sig;
         } =
-    (* TODO what is kyc_timeout, kyc_fee ? *)
+    (* TODO KYC
-    let dummy_amount =
+       what is kyc_timeout, kyc_fee ? *)
-      Amount.make ~sign:None ~currency:"EUR" ~value:0_L ~fraction:0_l
-      |> Result.get_ok
-    in
     let kyc_timeout = None in
-    let kyc_fee = dummy_amount in
+    let kyc_fee = Amount.dummy_value in
     (* * *)
     let open Bin_sig.GlobalFees in
     verify_f ~f:Sm.verify_with_master_key master_sig

src/timestamp.ml

@@ -23,6 +23,23 @@ let of_span_exn = function
 
 (* -- *)
 
+(* TODO
+   this doesn't handle "never" value, and truncate time *)
+let of_string s =
+  match Float.of_string_opt s with
+  | None -> Error "Timestamp.of_string failure: not a float"
+  | Some v -> (
+      match Ptime.of_float_s v with
+      | None -> Error "Timestamp.of_string failure"
+      | Some v -> Ok (Some v))
+
+let pp fmt t =
+  match t with
+  | None -> Fmt.pf fmt {|"never"|}
+  | Some v ->
+      let v = Ptime.to_float_s v in
+      Fmt.pf fmt {|%f|} v
+
 (* microseconds since the UNIX Epoch, or "never" if None *)
 let jsont =
   let number_or_never_jsont =
@@ -80,6 +97,23 @@ let compare a b =
 module Span = struct
   type t = span
 
+  (* TODO
+   this doesn't handle "never" value, and truncate time *)
+  let of_string s =
+    match Float.of_string_opt s with
+    | None -> Error "Timestamp.Span.of_string failure: not a float"
+    | Some v -> (
+        match Ptime.Span.of_float_s v with
+        | None -> Error "Timestamp.Span.of_string failure"
+        | Some v -> Ok (Some v))
+
+  let pp fmt t =
+    match t with
+    | None -> Fmt.pf fmt {|"forever"|}
+    | Some v ->
+        let v = Ptime.Span.to_float_s v in
+        Fmt.pf fmt {|%f|} v
+
   let to_int64 ptime = ptime |> Ptime.Span.to_float_s |> Int64.of_float
 
   let of_int64 i =

src/timestamp.mli

@@ -10,6 +10,11 @@ type span = Ptime.Span.t option
 module Span : sig
   type t = span
 
+  val of_string : string -> (t, string) result
+  val pp : Stdlib.Format.formatter -> t -> unit
+
+  (* - *)
+
   val jsont : t Jsont.t
   val bin : t Bin.t
   val bin_nbo : t Bin.t
@@ -21,6 +26,10 @@ val add_span_exn : t -> span -> t
 val of_span_exn : span -> t
 val compare : t -> t -> int option
 
+(* used for offline tool argument conversion *)
+val of_string : string -> (t, string) result
+val pp : Stdlib.Format.formatter -> t -> unit
+
 (* - *)
 val jsont : t Jsont.t
 val bin : t Bin.t

tools/offline.ml

@@ -9,6 +9,18 @@ let default_request_file = "request.json"
 (*let to_term_ret = function Error e -> `Error (false, e) | Ok () -> `Ok ()*)
 let to_term_ret = Fun.id
 
+let timestamp =
+  Arg.Conv.make ~docv:"timestamp argument" ~parser:Timestamp.of_string
+    ~pp:Timestamp.pp ()
+
+let relative_time =
+  Arg.Conv.make ~docv:"relative time argument" ~parser:Timestamp.Span.of_string
+    ~pp:Timestamp.Span.pp ()
+
+let amount =
+  Arg.Conv.make ~docv:"amount argument" ~parser:Amount.of_string ~pp:Amount.pp
+    ()
+
 let setup_cmd =
   let doc = "Generate offline master keys" in
   let output =
@@ -94,6 +106,50 @@ let revoke_signkey_cmd =
   let+ output = output and+ master_key = master_key and+ signkey = signkey in
   revoke_signkey ~output ~master_key ~signkey |> to_term_ret
 
+let global_fees_cmd =
+  let doc = "Provides global fee configuration." in
+  let start_date =
+    Arg.(required & opt (some timestamp) None & info [ "start_date" ])
+  in
+  let end_date =
+    Arg.(required & opt (some timestamp) None & info [ "end_date" ])
+  in
+  let history_fee =
+    Arg.(required & opt (some amount) None & info [ "history_fee" ])
+  in
+  let account_fee =
+    Arg.(required & opt (some amount) None & info [ "account_fee" ])
+  in
+  let purse_fee =
+    Arg.(required & opt (some amount) None & info [ "purse_fee" ])
+  in
+  let history_expiration =
+    Arg.(
+      required & opt (some relative_time) None & info [ "history_expiration" ])
+  in
+  let purse_account_limit =
+    Arg.(required & opt (some int) None & info [ "purse_account_limit" ])
+  in
+  let purse_timeout =
+    Arg.(required & opt (some relative_time) None & info [ "purse_timeout" ])
+  in
+  Cmd.make (Cmd.info "global-fees" ~doc)
+  @@
+  let+ output = output
+  and+ master_key = master_key
+  and+ start_date = start_date
+  and+ end_date = end_date
+  and+ history_fee = history_fee
+  and+ account_fee = account_fee
+  and+ purse_fee = purse_fee
+  and+ history_expiration = history_expiration
+  and+ purse_account_limit = purse_account_limit
+  and+ purse_timeout = purse_timeout in
+  global_fees ~output ~master_key ~start_date ~end_date ~history_fee
+    ~account_fee ~purse_fee ~history_expiration ~purse_account_limit
+    ~purse_timeout
+  |> to_term_ret
+
 let cli =
   let info =
     let doc = "MTE Offline CLI tool" in
@@ -107,6 +163,7 @@ let cli =
       upload_cmd;
       revoke_denom_cmd;
       revoke_signkey_cmd;
+      global_fees_cmd;
     ]
 
 let main () = Cmd.eval_result cli

tools/offline_impl.ml

@@ -75,3 +75,56 @@ let revoke_signkey ~output ~master_key ~signkey =
   let* s = Api.encode Api.SignkeyRevocationSignature.jsont v in
   let* () = write_file output s in
   Ok ()
+
+[@@@ocaml.warning "-27"]
+
+let global_fees ~output ~master_key ~start_date ~end_date ~history_fee
+    ~account_fee ~purse_fee ~history_expiration ~purse_account_limit
+    ~purse_timeout =
+  let open Crypto in
+  let* key = read_file master_key in
+  let* key = EddsaPrivateKey.of_octets key in
+  let* purse_account_limit =
+    match
+      purse_account_limit >= 0
+      && purse_account_limit <= Int32.to_int Int32.max_int
+    with
+    | false -> Error "invalid purse_account_limit value"
+    | true -> Ok (Int32.of_int purse_account_limit)
+  in
+  let master_sig =
+    let open Bin_sig.GlobalFees in
+    (* TODO KYC *)
+    let kyc_timeout = None in
+    let kyc_fee = Amount.dummy_value in
+    sign_f ~f:(EddsaSignature.sign ~key)
+      {
+        start_date;
+        end_date;
+        purse_timeout;
+        kyc_timeout;
+        history_expiration;
+        history_fee;
+        kyc_fee;
+        account_fee;
+        purse_fee;
+        purse_account_limit;
+      }
+  in
+  let global_fees =
+    Api.GlobalFees.
+      {
+        start_date;
+        end_date;
+        purse_timeout;
+        history_expiration;
+        history_fee;
+        account_fee;
+        purse_fee;
+        purse_account_limit;
+        master_sig;
+      }
+  in
+  let* s = Api.encode Api.GlobalFees.jsont global_fees in
+  let* () = write_file output s in
+  Ok ()