From 6dde23e6c66e846c64d49c5258f0dbf44e3d0374 Mon Sep 17 00:00:00 2001
From: Michael Jurkoic <mjjurkoic@gmail.com>
Date: Mon, 18 Mar 2024 21:28:19 -0500
Subject: Declare a signer interface

---
 include/nostr.hpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'include/nostr.hpp')

diff --git a/include/nostr.hpp b/include/nostr.hpp
index 645090a..3e60d7b 100644
--- a/include/nostr.hpp
+++ b/include/nostr.hpp
@@ -18,7 +18,9 @@ namespace nostr
 typedef std::vector<std::string> RelayList;
 typedef std::unordered_map<std::string, std::vector<std::string>> TagMap;
 
-// TODO: Add null checking to seralization and deserialization methods.
+class ISigner;
+class NostrService;
+
 /**
  * @brief A Nostr event.
  * @remark All data transmitted over the Nostr protocol is encoded in JSON blobs.  This struct
@@ -40,7 +42,7 @@ struct Event
      * @returns A stringified JSON object representing the event.
      * @throws `std::invalid_argument` if the event object is invalid.
      */
-    std::string serialize();
+    std::string serialize(std::shared_ptr<ISigner> signer);
 
     /**
      * @brief Deserializes the event from a JSON string.
@@ -103,6 +105,7 @@ private:
 
 class NostrService
 {
+// TODO: Setup signer in the constructor.
 public:
     NostrService(
         std::shared_ptr<plog::IAppender> appender,
@@ -213,6 +216,9 @@ private:
 
     ///< The WebSocket client used to communicate with relays.
     std::shared_ptr<client::IWebSocketClient> _client;
+    ///< The signer used to sign Nostr events.
+    std::shared_ptr<ISigner> _signer;
+
     ///< A mutex to protect the instance properties.
     std::mutex _propertyMutex;
     ///< The default set of Nostr relays to which the service will attempt to connect.
@@ -287,4 +293,10 @@ private:
      */
     void onEvent(std::string subscriptionId, Event event);
 };
+
+class ISigner
+{
+public:
+    virtual std::string generateSignature(std::shared_ptr<Event> event) = 0;
+};
 } // namespace nostr
-- 
cgit