wip denom revocation

src/api.ml

@@ -69,6 +69,7 @@ module HashCode : sig
   type t
 
   val hash : string -> t
+  val of_b32 : B32.t -> (t, string) result
   val to_denomination_hash : t -> Bin_type.DenominationHash.t
   val jsont : t Jsont.t
 end = struct
@@ -80,6 +81,7 @@ end = struct
     let open Digestif.SHA512 in
     s |> digest_string |> to_raw_string
 
+  let of_b32 = B32.decode
   let jsont = B32.jsont
 end
 

src/handler.ml

@@ -26,7 +26,7 @@ end
 include Respond_util
 open Api
 
-let keys_get req server _env =
+let management_keys_get req server _env =
   let sm_signkey = Vif.Server.device Devices.secmod_signkey server in
   let sm_denom = Vif.Server.device Devices.secmod_denom server in
   let res =
@@ -36,9 +36,9 @@ let keys_get req server _env =
   in
   respond_with_res res req
 
-let keys_post_jsont = MasterSignatures.jsont
+let management_keys_post_jsont = MasterSignatures.jsont
 
-let keys_post req server _env =
+let management_keys_post req server _env =
   let open Syntax in
   let open Management in
   let db_conn = Vif.Server.device Devices.db_connection server in
@@ -55,3 +55,21 @@ let keys_post req server _env =
     Ok ""
   in
   respond_with_res res req
+
+let management_denom_revoke_jsont = DenomRevocationSignature.jsont
+
+let management_denom_revoke req h_denom_pub server _env =
+  let open Syntax in
+  let open Management in
+  let db_conn = Vif.Server.device Devices.db_connection server in
+  let sm_signkey = Vif.Server.device Devices.secmod_signkey server in
+  let sm_denom = Vif.Server.device Devices.secmod_denom server in
+  let res =
+    let* h_denom_pub = HashCode.of_b32 h_denom_pub in
+    let h_denom_pub = HashCode.to_denomination_hash h_denom_pub in
+    let* v = Vif.Request.of_json req |> unwrap_err_msg in
+    let* () = verify_denom_revocation_sig ~h_denom_pub v in
+    let* () = update_denom_revocation ~db_conn ~sm_signkey ~sm_denom v in
+    Ok ""
+  in
+  respond_with_res res req

src/management.ml

@@ -213,3 +213,12 @@ let update_master_signatures ~db_conn ~sm_signkey ~sm_denom
   in
   let* () = check_master_signatures_update ~db_conn ~sm_denom in
   Ok ()
+
+[@@@ocaml.warning "-27"]
+
+let verify_denom_revocation_sig ~h_denom_pub
+    DenomRevocationSignature.{ master_sig } =
+  let open Bin_sig.MasterDenominationKeyRevocation in
+  verify ~key:Config.Exchange.master_public_key master_sig { h_denom_pub }
+
+let update_denom_revocation ~db_conn ~sm_signkey ~sm_denom v = Ok ()

src/mte.ml

@@ -32,8 +32,13 @@ let routes =
     get_ rel --> hello;
     get_ (v "terms") --> Static.terms;
     get_ (v "privacy") --> Static.privacy;
-    get_ (v "management" / "keys") --> keys_get;
+    get_ (v "management" / "keys") --> management_keys_get;
-    post (v "management" / "keys") keys_post_jsont --> keys_post;
+    post (v "management" / "keys") management_keys_post_jsont
+    --> management_keys_post;
+    post
+      (v "management" / "denominations" /% string `Path / "revoke")
+      management_denom_revoke_jsont
+    --> management_denom_revoke;
   ]
 
 let () =