+ wip sign_future_keys

tools/offline_signature.ml

@@ -0,0 +1,54 @@
+let _denom_signature ~key ~key_pub
+    Api.FutureDenom.
+      {
+        section_name= _;
+        value;
+        stamp_start;
+        stamp_expire_withdraw;
+        stamp_expire_deposit;
+        stamp_expire_legal;
+        denom_pub;
+        fee_withdraw;
+        fee_deposit;
+        fee_refresh;
+        fee_refund= _;
+        (* TODO check sigs *)
+        denom_secmod_sig= _;
+      } =
+  let pub_octets =
+    let denom_pub =
+      match denom_pub with
+      | Rsa v -> v
+      | CS _ -> Fmt.failwith "CS key types are not supported."
+    in
+    let pub = denom_pub.Api.RsaDenominationKey.rsa_pub in
+    Crypto.RsaPublicKey.to_octets pub
+  in
+  let h_denom_pub = Api.HashCode.hash pub_octets in
+  let master_sig =
+    let open Bin_type in
+    let open Bin_signature.DenominationKeyValidityPS in
+    {
+      master= key_pub;
+      start= stamp_start;
+      expire_withdraw= stamp_expire_withdraw;
+      expire_spend= stamp_expire_deposit;
+      expire_legal= stamp_expire_legal;
+      value;
+      fee_withdraw;
+      fee_deposit;
+      fee_refresh;
+      denom_hash= DenominationHash.hash pub_octets;
+    }
+    |> Bin.to_string bin
+    |> Crypto.EddsaSignature.sign ~key
+  in
+  Api.DenomSignature.{ h_denom_pub; master_sig }
+
+let sign_future_keys ~master_key:_ _future_key_response =
+  (*
+  let open Syntax in
+  let open Crypto in
+*)
+  (* TODO sign *)
+  assert false