From 54a3dc7de93dbba8b5df6ae568f120fe226e7c64 Mon Sep 17 00:00:00 2001
From: Arnaud <arnaud@status.im>
Date: Tue, 16 Sep 2025 16:10:57 +0200
Subject: [PATCH] Add spr

---
 examples/golang/codex.go                      | 37 +++++++++++++++++++
 .../requests/node_info_request.nim            | 20 ++++++++--
 library/libcodex.h                            |  5 +++
 library/libcodex.nim                          | 17 +++++++++
 4 files changed, 76 insertions(+), 3 deletions(-)

diff --git a/examples/golang/codex.go b/examples/golang/codex.go
index ea95e9e0..9a60935d 100644
--- a/examples/golang/codex.go
+++ b/examples/golang/codex.go
@@ -88,6 +88,10 @@ package main
 		return codex_debug(codexCtx, (CodexCallback) callback, resp);
 	}
 
+	static int cGoCodexSpr(void* codexCtx, void* resp) {
+		return codex_spr(codexCtx, (CodexCallback) callback, resp);
+	}
+
 	static int cGoCodexStart(void* codexCtx, void* resp) {
 		return codex_start(codexCtx, (CodexCallback) callback, resp);
 	}
@@ -161,6 +165,16 @@ const (
 	LevelDb RepoKind = "leveldb"
 )
 
+type Spr string
+
+type SprJson struct {
+	Spr string `json:"spr"`
+}
+
+func (s Spr) Json() SprJson {
+	return SprJson{Spr: string(s)}
+}
+
 type CodexConfig struct {
 	LogLevel                       LogLevel  `json:"log-level,omitempty"`
 	LogFormat                      LogFormat `json:"log-format,omitempty"`
@@ -375,6 +389,22 @@ func (self *CodexNode) CodexDebug() (CodexDebugInfo, error) {
 	return info, err
 }
 
+func (self *CodexNode) CodexSpr() (Spr, error) {
+	bridge := newBridgeCtx()
+	defer bridge.free()
+
+	if C.cGoCodexSpr(self.ctx, bridge.resp) != C.RET_OK {
+		return "", bridge.CallError("cGoCodexSpr")
+	}
+
+	value, err := bridge.wait()
+	if err != nil {
+		return "", err
+	}
+
+	return Spr(value), nil
+}
+
 func (self *CodexNode) CodexStart() error {
 	bridge := newBridgeCtx()
 	defer bridge.free()
@@ -501,6 +531,13 @@ func main() {
 
 	log.Println(string(pretty))
 
+	spr, err := node.CodexSpr()
+	if err != nil {
+		log.Fatal("Error happened:", err.Error())
+	}
+
+	log.Println("Codex SPR:", spr.Json())
+
 	// Wait for a SIGINT or SIGTERM signal
 	ch := make(chan os.Signal, 1)
 	signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
diff --git a/library/codex_thread_requests/requests/node_info_request.nim b/library/codex_thread_requests/requests/node_info_request.nim
index cece26da..51e558cd 100644
--- a/library/codex_thread_requests/requests/node_info_request.nim
+++ b/library/codex_thread_requests/requests/node_info_request.nim
@@ -14,13 +14,12 @@ from ../../../codex/codex import CodexServer, config, node
 type NodeInfoMsgType* = enum
   REPO
   DEBUG
+  SPR
 
 type NodeInfoRequest* = object
   operation: NodeInfoMsgType
 
-proc createShared*(
-    T: type NodeInfoRequest, op: NodeInfoMsgType, configJson: cstring = ""
-): ptr type T =
+proc createShared*(T: type NodeInfoRequest, op: NodeInfoMsgType): ptr type T =
   var ret = createShared(T)
   ret[].operation = op
   return ret
@@ -51,6 +50,15 @@ proc getDebug(
 
   return ok($json)
 
+proc getSpr(
+    codex: ptr CodexServer
+): Future[Result[string, string]] {.async: (raises: []).} =
+  let spr = codex[].node.discovery.dhtRecord
+  if spr.isNone:
+    return err("No SPR record found")
+
+  return ok(spr.get.toURI)
+
 proc process*(
     self: ptr NodeInfoRequest, codex: ptr CodexServer
 ): Future[Result[string, string]] {.async: (raises: []).} =
@@ -70,5 +78,11 @@ proc process*(
       error "DEBUG failed", error = res.error
       return err($res.error)
     return res
+  of SPR:
+    let res = (await getSpr(codex))
+    if res.isErr:
+      error "DEBUG failed", error = res.error
+      return err($res.error)
+    return res
 
   return ok("")
diff --git a/library/libcodex.h b/library/libcodex.h
index e8dd5a25..c3a16ce9 100644
--- a/library/libcodex.h
+++ b/library/libcodex.h
@@ -50,6 +50,11 @@ int codex_debug(
                 CodexCallback callback,
                 void* userData);
 
+int codex_spr(
+                void* ctx,
+                CodexCallback callback,
+                void* userData);
+
 int codex_start(void* ctx,
                CodexCallback callback,
                void* userData);
diff --git a/library/libcodex.nim b/library/libcodex.nim
index 6627672c..a74ee08e 100644
--- a/library/libcodex.nim
+++ b/library/libcodex.nim
@@ -163,6 +163,23 @@ proc codex_debug(
 
   return RET_OK
 
+proc codex_spr(
+    ctx: ptr CodexContext, callback: CodexCallback, userData: pointer
+): cint {.dynlib, exportc.} =
+  initializeLibrary()
+  checkLibcodexParams(ctx, callback, userData)
+
+  let reqContent = NodeInfoRequest.createShared(NodeInfoMsgType.SPR)
+
+  codex_context.sendRequestToCodexThread(
+    ctx, RequestType.INFO, reqContent, callback, userData
+  ).isOkOr:
+    let msg = "libcodex error: " & $error
+    callback(RET_ERR, unsafeAddr msg[0], cast[csize_t](len(msg)), userData)
+    return RET_ERR
+
+  return RET_OK
+
 proc codex_destroy(
     ctx: ptr CodexContext, callback: CodexCallback, userData: pointer
 ): cint {.dynlib, exportc.} =