Add dummy binary (#5)

* add dummy binary

* add flags for macos

* add metrics service

* rename Services to Nomos

Cargo.toml

@@ -6,5 +6,6 @@ members = [
     "nomos-services/network",
     "nomos-services/storage",
     "nomos-services/consensus",
-    "nomos-services/mempool"
+    "nomos-services/mempool",
+    "nomos-node"
 ]

nomos-node/.cargo/config.toml

@@ -0,0 +1,4 @@
+[target.'cfg(target_os = "macos")']
+# when using osx, we need to link against some golang libraries, it did just work with this missing flags
+# from: https://github.com/golang/go/issues/42459
+rustflags = ["-C", "link-args=-framework CoreFoundation -framework Security"]

nomos-node/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "nomos-node"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = { version = "4", features = ["derive"] }
+overwatch-rs = { git = "https://github.com/logos-co/Overwatch", branch = "main" }
+overwatch-derive = { git = "https://github.com/logos-co/Overwatch", branch = "main" }
+tracing = "0.1"
+nomos-network = { path = "../nomos-services/network", features = ["waku"] }
+metrics = { path = "../nomos-services/metrics", optional = true }
+nomos-log = { path = "../nomos-services/log" }
+tracing-subscriber = "0.3"
+serde_yaml = "0.9"
+color-eyre = "0.6.0"
+serde = "1"

nomos-node/src/main.rs

@@ -0,0 +1,55 @@
+use clap::Parser;
+use color_eyre::eyre::{eyre, Result};
+use nomos_log::Logger;
+use nomos_network::{backends::waku::Waku, NetworkService};
+use overwatch_derive::*;
+use overwatch_rs::{
+    overwatch::*,
+    services::{handle::ServiceHandle, ServiceData},
+};
+use serde::Deserialize;
+
+#[cfg(feature = "metrics")]
+use metrics::{backend::map::MapMetricsBackend, types::MetricsData, MetricsService};
+
+/// Simple program to greet a person
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    /// Path for a yaml-encoded network config file
+    config: std::path::PathBuf,
+}
+
+#[derive(Deserialize)]
+struct Config {
+    log: <Logger as ServiceData>::Settings,
+    network: <NetworkService<Waku> as ServiceData>::Settings,
+    #[cfg(feature = "metrics")]
+    metrics: <MetricsService<MapMetricsBackend<MetricsData>> as ServiceData>::Settings,
+}
+
+#[derive(Services)]
+struct Nomos {
+    logging: ServiceHandle<Logger>,
+    network: ServiceHandle<NetworkService<Waku>>,
+    #[cfg(feature = "metrics")]
+    metrics: ServiceHandle<MetricsService<MapMetricsBackend<MetricsData>>>,
+}
+
+fn main() -> Result<()> {
+    tracing_subscriber::fmt::init();
+    let Args { config } = Args::parse();
+    let config = serde_yaml::from_reader::<_, Config>(std::fs::File::open(config)?)?;
+    let app = OverwatchRunner::<Nomos>::run(
+        NomosServiceSettings {
+            network: config.network,
+            logging: config.log,
+            #[cfg(feature = "metrics")]
+            metrics: config.metrics,
+        },
+        None,
+    )
+    .map_err(|e| eyre!("Error encountered: {}", e))?;
+    app.wait_finished();
+    Ok(())
+}