chore: align with logos-delivery

examples/toy-chat/src/main.rs

@@ -55,6 +55,7 @@ impl App<Initialized> {
             tcp_port: Some(60010),
             cluster_id: Some(16),
             shards: vec![1, 32, 64, 128, 256],
+            num_shards_in_network: Some(0), // static sharding for explicit RS shard indices
             // node_key: Some(SecretKey::from_str("2fc0515879e52b7b73297cfd6ab3abf7c344ef84b7a90ff6f4cc19e05a198027").unwrap()),
             max_message_size: Some("1024KiB".to_string()),
             relay_topics: vec![String::from(&pubsub_topic)],
@@ -117,6 +118,9 @@ impl App<Initialized> {
                     WakuEvent::ConnectionChange(_evt) => {
                         // dbg!("Conn change evt", evt);
                     },
+                    WakuEvent::NodeHealthChange(_evt) => {
+                        // dbg!("Node health change evt", evt);
+                    },
                     WakuEvent::Unrecognized(err) => eprintln!("Unrecognized waku event: {:?}", err),
                     _ => eprintln!("event case not expected"),
                 };

waku-bindings/Cargo.toml

@@ -31,7 +31,6 @@ url = "2.3"
 waku-sys = { version = "1.0.0", path = "../waku-sys" }
 libc = "0.2"
 serde-aux = "4.3.1"
-rln = "0.3.4"
 tokio = { version = "1", features = ["full"] }
 regex = "1"
 chrono = "0.4"

waku-bindings/src/lib.rs

@@ -8,12 +8,6 @@ pub mod node;
 // Re-export the LibwakuResponse type to make it accessible outside this module
 pub use general::libwaku_response::LibwakuResponse;
 
-// Required so functions inside libwaku can call RLN functions even if we
-// use it within the bindings functions
-#[allow(clippy::single_component_path_imports)]
-#[allow(unused)]
-use rln;
-
 pub use node::{
     waku_create_content_topic, waku_new, Initialized, Key, Multiaddr, PublicKey, RLNConfig,
     Running, SecretKey, WakuEvent, WakuMessageEvent, WakuNodeConfig, WakuNodeHandle,

waku-bindings/src/node/config.rs

@@ -30,6 +30,12 @@ pub struct WakuNodeConfig {
     pub relay_topics: Vec<String>,
     #[default(vec![0])]
     pub shards: Vec<usize>,
+    /// Number of shards in the cluster for auto-sharding. Set to `0` to use
+    /// static sharding (required when subscribing to explicit RS shard indices
+    /// such as those used by the Status.im production network).
+    /// Defaults to `None` (Nim will use its own default of 1).
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub num_shards_in_network: Option<u16>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub max_message_size: Option<String>,
 

waku-sys/build.rs

@@ -120,6 +120,22 @@ fn generate_bindgen_code(project_dir: &Path) {
         .compile("cmditems"); // Compile it as a library
     println!("cargo:rustc-link-lib=static=cmditems");
 
+    // Link librln.a (built from vendored zerokit by the Nim Makefile).
+    // The Rust `rln` crate is not used as a dependency because its older
+    // versions (0.3.x) pulled in wasmer 2.x which references __rust_probestack,
+    // a symbol removed in Rust 1.86. Instead, we link the prebuilt librln_*.a
+    // directly, which is the same artifact that libwaku.a was compiled against.
+    if let Ok(entries) = std::fs::read_dir(&nwaku_path) {
+        for entry in entries.flatten() {
+            let name = entry.file_name();
+            let name = name.to_string_lossy();
+            if name.starts_with("librln_") && name.ends_with(".a") {
+                println!("cargo:rustc-link-arg={}", entry.path().display());
+                break;
+            }
+        }
+    }
+
     // Generate waku bindings with bindgen
     let bindings = bindgen::Builder::default()
         // The input header we would like to generate