Make challenge and fingerprint manifest values optional

1 files changed, 7 insertions, 4 deletions

diff --git a/bbot/manifest b/bbot/manifest
index 7e14b7d..3022535 100644
--- a/bbot/manifest
+++ b/bbot/manifest
@@ -60,12 +60,12 @@ namespace bbot
     //
     //    $ cat key.pub | openssl sha256
     //
-    std::string fingerprint;
+    butl::optional<std::string> fingerprint;
 
     machine_header_manifests machines;
 
     task_request_manifest (std::string a,
-                           std::string f,
+                           butl::optional<std::string> f,
                            machine_header_manifests m)
         : agent (std::move (a)),
           fingerprint (std::move (f)),
@@ -260,12 +260,15 @@ namespace bbot
   {
   public:
     std::string session;   // The task response session.
-    std::string challenge; // The answer to challenge in the task response.
+
+    // The answer to challenge in the task response.
+    //
+    butl::optional<std::string> challenge;
 
     result_manifest result;
 
     result_request_manifest (std::string s,
-                             std::string c,
+                             butl::optional<std::string> c,
                              result_manifest r)
         : session (std::move (s)),
           challenge (std::move (c)),