Add Anchor Processor (sigp#57)

Author: dknopik

Cargo.lock

@@ -3,11 +3,12 @@
 members = [
     "anchor",
     "anchor/client",
+    "anchor/common/version",
     "anchor/http_api",
     "anchor/http_metrics",
-    "anchor/qbft",
     "anchor/network",
-    "anchor/common/version"
+    "anchor/processor",
+    "anchor/qbft",
 ]
 resolver = "2"
 
@@ -21,6 +22,7 @@ http_api = { path = "anchor/http_api" }
 http_metrics = { path = "anchor/http_metrics" }
 network = { path ="anchor/network"}
 version = { path ="anchor/common/version"}
+processor = { path = "anchor/processor" }
 lighthouse_network = { git = "https://github.com/sigp/lighthouse", branch = "unstable"}
 task_executor = { git = "https://github.com/sigp/lighthouse", branch = "unstable", default-features = false, features = [ "tracing", ] }
 metrics = { git = "https://github.com/agemanning/lighthouse", branch = "modularize-vc" }
@@ -38,6 +40,7 @@ either = "1.13.0"
 futures = "0.3.30"
 tower-http = {version = "0.6", features = ["cors"] }
 hyper = "1.4"
+num_cpus = "1"
 parking_lot = "0.12"
 serde = { version = "1.0.208", features = ["derive"] }
 strum = { version = "0.24", features = ["derive"] }

Cargo.toml

@@ -24,6 +24,7 @@ network = { workspace = true }
 unused_port = { workspace = true }
 tokio = { workspace = true }
 parking_lot = { workspace = true }
+processor = { workspace = true }
 # Local dependencies
 fdlimit = "0.3"
 ethereum_hashing = "0.7.0"

anchor/client/Cargo.toml

@@ -46,6 +46,8 @@ pub struct Config {
     /// A list of custom certificates that the validator client will additionally use when
     /// connecting to an execution node over SSL/TLS.
     pub execution_nodes_tls_certs: Option<Vec<PathBuf>>,
+    /// Configuration for the processor
+    pub processor: processor::Config,
 }
 
 impl Default for Config {
@@ -74,6 +76,7 @@ impl Default for Config {
             network: <_>::default(),
             beacon_nodes_tls_certs: None,
             execution_nodes_tls_certs: None,
+            processor: <_>::default(),
         }
     }
 }

anchor/client/src/config.rs

@@ -42,6 +42,9 @@ impl Client {
             "Starting the Anchor client"
         );
 
+        // Start the processor
+        let _processor_senders = processor::spawn(config.processor, executor.clone());
+
         // Optionally start the metrics server.
         let _http_metrics_shared_state = if config.http_metrics.enabled {
             let shared_state = Arc::new(RwLock::new(http_metrics::Shared { genesis_time: None }));

anchor/client/src/lib.rs

@@ -0,0 +1,18 @@
+[package]
+name = "processor"
+version = "0.1.0"
+authors = ["Sigma Prime <[email protected]"]
+edition = { workspace = true }
+
+[dependencies]
+tokio = { workspace = true, features = ["sync", "rt", "rt-multi-thread", "macros"] }
+tracing = { workspace = true }
+task_executor = { workspace = true }
+serde = { workspace = true }
+num_cpus = { workspace = true }
+metrics = { workspace = true }
+qbft = { workspace = true }
+
+[dev-dependencies]
+async-channel = { workspace = true }
+futures = { workspace = true }