Add event loop

Cargo.toml

@@ -7,12 +7,14 @@ authors = ["Kodebox <[email protected]>"]
 [dependencies]
 app_dirs = "^1.1.1"
 clap = { version = "2", features = ["yaml"] }
+futures = "0.1"
 keccak-hash = { path = "util/hash" }
 log = "0.4.1"
 logs = { path = "logs" }
 env_logger = "0.5.3"
 panic_hook = { path = "util/panic_hook" }
 rpc = { path = "rpc" }
+tokio-core = "0.1.6"
 
 [[bin]]
 path = "codechain/main.rs"

codechain/commands/start.rs

@@ -1,7 +1,11 @@
 use config;
 use super::super::rpc;
+use super::super::event_loop::{event_loop, forever};
 
 pub fn start(cfg: config::Config) -> Result<(), String> {
+	let mut el = event_loop();
+
 	let _rpc_server = rpc::new_http(cfg.rpc_config);
+	el.run(forever()).unwrap();
 	Ok(())
 }

codechain/event_loop.rs

@@ -0,0 +1,10 @@
+use futures::{empty, Empty};
+use tokio_core::reactor::Core;
+
+pub fn event_loop() -> Core {
+	Core::new().unwrap()
+}
+
+pub fn forever() -> Empty<(), ()> {
+	empty()
+}

codechain/main.rs

@@ -1,8 +1,10 @@
 #[macro_use]
 extern crate clap;
+extern crate futures;
 
 #[macro_use]
 extern crate log;
+extern crate tokio_core;
 
 extern crate app_dirs;
 extern crate env_logger;
@@ -12,6 +14,7 @@ extern crate rpc as codechain_rpc;
 
 mod config;
 mod commands;
+mod event_loop;
 mod rpc;
 
 use app_dirs::AppInfo;