From 20b0f9c073d52e95b02399d6a243010e36b6c4f1 Mon Sep 17 00:00:00 2001
From: Michael Jurkoic <mjjurkoic@gmail.com>
Date: Sun, 17 Mar 2024 14:09:42 -0500
Subject: Serialize relay query filters into a JSON array

---
 include/nostr.hpp | 5 ++++-
 src/filters.cpp   | 4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/nostr.hpp b/include/nostr.hpp
index fa407ef..8041efe 100644
--- a/include/nostr.hpp
+++ b/include/nostr.hpp
@@ -83,10 +83,13 @@ struct Filters
 
     /**
      * @brief Serializes the filters to a JSON object.
+     * @param subscriptionId A string up to 64 chars in length that is unique per relay connection.
      * @returns A stringified JSON object representing the filters.
      * @throws `std::invalid_argument` if the filter object is invalid.
+     * @remarks The Nostr client is responsible for managing subscription IDs.  Responses from the
+     * relay will be organized by subscription ID.
      */
-    std::string serialize();
+    std::string serialize(std::string subscriptionId);
 
 private:
     /**
diff --git a/src/filters.cpp b/src/filters.cpp
index 0735a19..3179c2f 100644
--- a/src/filters.cpp
+++ b/src/filters.cpp
@@ -13,7 +13,7 @@ using std::time;
 
 namespace nostr
 {
-string Filters::serialize()
+string Filters::serialize(string subscriptionId)
 {
     try
     {
@@ -42,6 +42,8 @@ string Filters::serialize()
         j[tagname] = tag.second;
     }
 
+    json jarr = json::array({ "REQ", subscriptionId, j });
+
     return j.dump();
 };
 
-- 
cgit