From 03187ccb6cc57e534ef4a7f1a9af4bfd29672279 Mon Sep 17 00:00:00 2001
From: Daniel Sanchez Quiros <sanchez.quiros.daniel@gmail.com>
Date: Thu, 29 Sep 2022 18:50:22 +0200
Subject: [PATCH] Use optional config in waku_new

---
 waku/src/node_management/config.rs | 2 +-
 waku/src/node_management/node.rs   | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/waku/src/node_management/config.rs b/waku/src/node_management/config.rs
index 6eeaa13..b1d5c61 100644
--- a/waku/src/node_management/config.rs
+++ b/waku/src/node_management/config.rs
@@ -5,7 +5,7 @@ use multiaddr::Multiaddr;
 use serde::{Deserialize, Serialize};
 // internal
 
-#[derive(Serialize, Deserialize, Default)]
+#[derive(Clone, Default, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct NodeConfig {
     host: Option<std::net::IpAddr>,
diff --git a/waku/src/node_management/node.rs b/waku/src/node_management/node.rs
index 7366e1a..aaa51da 100644
--- a/waku/src/node_management/node.rs
+++ b/waku/src/node_management/node.rs
@@ -8,8 +8,9 @@ use crate::general::{JsonResponse, Result};
 
 /// Instantiates a Waku node
 /// as per the [specification](https://rfc.vac.dev/spec/36/#extern-char-waku_newchar-jsonconfig)
-pub fn waku_new(config: &NodeConfig) -> Result<bool> {
-    let s_config = serde_json::to_string(config)
+pub fn waku_new(config: Option<NodeConfig>) -> Result<bool> {
+    let config = config.unwrap_or_default();
+    let s_config = serde_json::to_string(&config)
         .expect("Serialization from properly built NodeConfig should never fail");
     let result: &str = unsafe {
         CStr::from_ptr(waku_sys::waku_new(