JJ: Description from the destination commit:

offline tool: add global-fees cmd

JJ: Description from source commit:
.

tools/do_management.sh

@@ -1,5 +1,17 @@
 #!/bin/bash
 
-dune exec offline -- download && \
-dune exec offline -- sign && \
-dune exec offline -- upload
+set -e
+
+file1="tmp_file1.json"
+file2="tmp_file2.json"
+file3="tmp_file3.json"
+
+dune exec offline -- download --output $file1
+dune exec offline -- sign --input $file1 --output $file2
+dune exec offline -- upload --input $file2 --url "/management/keys"
+dune exec offline -- global-fees --output $file3 --start_date "0.0" --end_date "99999999.9" --history_fee "EUR:0.0" --account_fee "EUR:0.0" --purse_fee "EUR:0.0" --history_expiration "9999999.0" --purse_account_limit 1 --purse_timeout "9999999.0"
+dune exec offline -- upload --input $file3 --url "/management/global-fees"
+
+rm $file1
+rm $file2
+rm $file3

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 +75,54 @@ let revoke_signkey ~output ~master_key ~signkey =
   let* s = Api.encode Api.SignkeyRevocationSignature.jsont v in
   let* () = write_file output s in
   Ok ()
+
+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 ()