From 26c221a980dd75794a783ff457b9e24d4ce8ea5c Mon Sep 17 00:00:00 2001
From: will <will@256k1.dev>
Date: Tue, 10 Mar 2026 10:52:49 +0000
Subject: [PATCH] rpc: expose RPC metadata for introspection

---
 src/rpc/server.h          | 2 ++
 src/rpc/util.h            | 3 +++
 src/wallet/interfaces.cpp | 1 +
 3 files changed, 6 insertions(+)

diff --git a/src/rpc/server.h b/src/rpc/server.h
index 1c7396407a2..147c8cf6168 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -63,6 +63,7 @@ public:
               fn().GetArgNames(),
               intptr_t(fn))
     {
+        this->metadata_fn = fn;
     }
 
     std::string category;
@@ -79,6 +80,7 @@ public:
     //! appended after other arguments, see transformNamedArguments for details.
     std::vector<std::pair<std::string, bool>> argNames;
     intptr_t unique_id;
+    RpcMethodFnType metadata_fn{nullptr};
 };
 
 /**
diff --git a/src/rpc/util.h b/src/rpc/util.h
index 9627e945392..82ebea612ac 100644
--- a/src/rpc/util.h
+++ b/src/rpc/util.h
@@ -518,6 +518,9 @@ public:
     bool IsValidNumArgs(size_t num_args) const;
     //! Return list of arguments and whether they are named-only.
     std::vector<std::pair<std::string, bool>> GetArgNames() const;
+    const std::string& GetDescription() const { return m_description; }
+    const std::vector<RPCArg>& GetArgs() const { return m_args; }
+    const RPCResults& GetResults() const { return m_results; }
 
     const std::string m_name;
 
diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
index 4eee155ce21..a4cd056b3ec 100644
--- a/src/wallet/interfaces.cpp
+++ b/src/wallet/interfaces.cpp
@@ -544,6 +544,7 @@ public:
                 wallet_request.context = &m_context;
                 return command.actor(wallet_request, result, last_handler);
             }, command.argNames, command.unique_id);
+            m_rpc_commands.back().metadata_fn = command.metadata_fn;
             m_rpc_handlers.emplace_back(m_context.chain->handleRpc(m_rpc_commands.back()));
         }
     }