adds beacon api

Cargo.toml

@@ -1,5 +1,6 @@
 [workspace]
 members = [
+  "crates/beacon_api",
   "crates/beacon_state/data",
   "crates/beacon_state/tile",
   "crates/bin",
@@ -60,6 +61,7 @@ inherits = "dev"
 opt-level = 3
 
 [workspace.dependencies]
+silver_beacon_api = { path = "crates/beacon_api" }
 silver_beacon_state = { path = "crates/beacon_state/tile" }
 silver_beacon_state_data = { path = "crates/beacon_state/data" }
 silver_chain_spec = { path = "crates/config/chain_spec" }

crates/beacon_api/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "silver_beacon_api"
+edition.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+version.workspace = true
+
+[dependencies]
+flux.workspace = true
+hex.workspace = true
+mio.workspace = true
+silver_common.workspace = true
+serde.workspace = true
+tracing.workspace = true
+serde_json = "1.0.149"
+httparse = "1.10.1"
+
+[lints]
+workspace = true

crates/beacon_api/examples/srv.rs

@@ -0,0 +1,20 @@
+use flux::{
+    tile::{TileConfig, attach_tile},
+    utils::ThreadPriority,
+};
+use silver_beacon_api::BeaconApiTile;
+use silver_common::{Enr, Identify, Keypair, SilverSpine};
+
+fn main() {
+    let keypair = Keypair::from_secret(&[1u8; 32]).unwrap();
+    let local_enr = Enr::empty(keypair.secret_key()).unwrap();
+    let identify = Identify::default();
+    let spine = SilverSpine::new(None);
+    spine.start(None, None, |scoped_spine| {
+        attach_tile(
+            BeaconApiTile::new(&keypair, local_enr, &identify),
+            scoped_spine,
+            TileConfig::new(1, ThreadPriority::OSDefault),
+        );
+    });
+}

crates/beacon_api/src/lib.rs

@@ -0,0 +1,2 @@
+mod tile;
+pub use tile::BeaconApiTile;