Add http server to beacon node w/ hello world

beacon_node/client/Cargo.toml

@@ -8,6 +8,7 @@ edition = "2018"
 beacon_chain = { path = "../beacon_chain" }
 network = { path = "../network" }
 store = { path = "../store" }
+http_server = { path = "../http_server" }
 rpc = { path = "../rpc" }
 fork_choice = { path = "../../eth2/fork_choice" }
 types = { path = "../../eth2/types" }

beacon_node/client/src/client_config.rs

@@ -1,5 +1,6 @@
 use clap::ArgMatches;
 use fork_choice::ForkChoiceAlgorithm;
+use http_server::HttpServerConfig;
 use network::NetworkConfig;
 use slog::error;
 use std::fs;
@@ -27,7 +28,7 @@ pub struct ClientConfig {
     pub db_type: DBType,
     pub db_name: PathBuf,
     pub rpc_conf: rpc::RPCConfig,
-    //pub ipc_conf:
+    pub http_conf: HttpServerConfig, //pub ipc_conf:
 }
 
 impl Default for ClientConfig {
@@ -55,6 +56,7 @@ impl Default for ClientConfig {
             // default db name for disk-based dbs
             db_name: data_dir.join("chain_db"),
             rpc_conf: rpc::RPCConfig::default(),
+            http_conf: HttpServerConfig::default(),
         }
     }
 }

beacon_node/client/src/lib.rs

@@ -98,7 +98,7 @@ impl<TClientType: ClientTypes> Client<TClientType> {
             Some(rpc::start_server(
                 &config.rpc_conf,
                 executor,
-                network_send,
+                network_send.clone(),
                 beacon_chain.clone(),
                 &log,
             ))
@@ -106,6 +106,17 @@ impl<TClientType: ClientTypes> Client<TClientType> {
             None
         };
 
+        // Start the `http_server` service.
+        //
+        // Note: presently we are ignoring the config and _always_ starting a HTTP server.
+        http_server::start_service(
+            &config.http_conf,
+            executor,
+            network_send,
+            beacon_chain.clone(),
+            &log,
+        );
+
         let (slot_timer_exit_signal, exit) = exit_future::signal();
         if let Ok(Some(duration_to_next_slot)) = beacon_chain.slot_clock.duration_to_next_slot() {
             // set up the validator work interval - start at next slot and proceed every slot