feat: initializing CLI for node initing and running (#55)

Author: kehiy

Cargo.toml

@@ -6,7 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-
+clap = { version = "4.4.11", features = ["cargo"] }
+config = { version =  "*", path = "./config" }
 
 [workspace]
 
@@ -17,4 +18,4 @@ members = [
     "node",
     "rpc",
     "config"
-]
+]

config/src/lib.rs

@@ -1,5 +1,8 @@
 use serde::Deserialize;
-use std::{io, path::PathBuf};
+use std::{
+    io::{self},
+    path::PathBuf,
+};
 use toml::from_str;
 
 #[derive(Debug, Deserialize)]
@@ -75,39 +78,44 @@ impl Config {
         let contents = std::fs::read_to_string(path)?;
         Ok(from_str(&contents)?)
     }
-}
-
-#[cfg(test)]
-mod tests {
-    use std::io::Write;
-
-    use super::*;
 
-    fn temp_config_file() {
-        let mut p = std::env::temp_dir();
-        p.push("./config.toml");
-        let mut file = std::fs::File::create(p).expect("Failed to create temp config file");
-        file.write_all(
-            b"
-[network]
+    pub fn default_file() -> &'static [u8] {
+        b"[network]
 port = 37771
 max_connections = 10
 moniker = ''
+
 [nostr]
 port = 443
 bootstraps = []
 max_ws_connections = 100
+
 [rpc]
 enable_grpc = true
 grpc_port = 9090
+
 [metrics]
 enable_metrics = false
+
 [log]
 write_to_file = true
 path = 'log.r7'
-        ",
-        )
-        .expect("Failed to write to temp config file")
+"
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::io::Write;
+
+    use super::*;
+
+    fn temp_config_file() {
+        let mut p = std::env::temp_dir();
+        p.push("./config.toml");
+        let mut file = std::fs::File::create(p).expect("Failed to create temp config file");
+        file.write_all(Config::default_file())
+            .expect("Failed to write to temp config file")
     }
 
     #[test]

rpc/src/server.rs

@@ -1,3 +1,4 @@
+use config::RpcConfig;
 use std::io;
 use tonic::transport::Server;
 
@@ -8,8 +9,8 @@ use crate::nostr;
 use crate::nostr::nostr::nostr_rpc_server::NostrRpcServer;
 
 #[tokio::main]
-pub async fn start(port: u16) -> Result<(), io::Error> {
-    let addr = format!("[::1]:{}", port).parse().unwrap();
+pub async fn start(cfg: RpcConfig) -> Result<(), io::Error> {
+    let addr = format!("[::1]:{}", cfg.grpc_port).parse().unwrap();
 
     let network_service = network::NetworkService::default();
     let nostr_rpc_service = nostr::NostrRpcService::default();

src/main.rs

@@ -1,3 +1,53 @@
+use clap::*;
+use config::Config;
+use std::fs;
+
 fn main() {
-    println!("Hello, world!");
+    let init_command = command!()
+    .name("init")
+    .about("Initializing a Redvin node.")
+    .arg(
+        Arg::new("working-directory")
+        .long("working-directory")
+        .short('w')
+        .help("Working directory is the path for saving relay, peers data and some other stuff for managing node.")
+        .aliases(["workdir", "wdir", "workingdirectory", "workingdir", "wdirectory"])
+        .required(true)
+    );
+
+    let start_command = command!()
+        .name("start")
+        .about("Starting a Redvin instance by passing a working directory.");
+
+    let root_command = command!()
+        .about("Redvin is an IPNN implementation in rust, helping to build decentralized future.")
+        .subcommand(init_command)
+        .subcommand(start_command)
+        .get_matches();
+
+    match root_command.subcommand() {
+        Some(subcommand) => {
+            if subcommand.0 == "init" {
+                let dir_builder = fs::DirBuilder::new();
+
+                let working_directory = subcommand
+                    .1
+                    .get_one::<String>("working-directory")
+                    .expect("invalid working directory path.");
+
+                dir_builder
+                    .create(working_directory)
+                    .expect("can not create working directory.");
+
+                let config_path = format!("{}/config.toml", working_directory);
+                fs::write(config_path, Config::default_file())
+                    .expect("can not create config file on working directory.");
+            } else if subcommand.0 == "start" {
+                println!("not implemented yet!")
+            }
+        }
+        None => {
+            println!("please use `redvin --help`")
+        }
+    }
 }