feat: move away from ractor

integration-tests/tests/lib.rs

@@ -3,13 +3,13 @@ use bollard::network::CreateNetworkOptions;
 use bollard::service::{HostConfig, Ipam, PortBinding};
 use bollard::Docker;
 use futures::StreamExt;
-use hyper::{body::HttpBody, Body, Client, Method, Request};
+use hyper::{Body, Client, Method, Request};
+use mpc_recovery::msg::LeaderResponse;
 use rand::{distributions::Alphanumeric, Rng};
 use serde_json::json;
 use std::collections::HashMap;
-use std::convert::TryInto;
 use std::time::Duration;
-use threshold_crypto::{serde_impl::SerdeSecret, PublicKeySet, SecretKeyShare, Signature};
+use threshold_crypto::{serde_impl::SerdeSecret, PublicKeySet, SecretKeyShare};
 use tokio::io::AsyncWriteExt;
 use tokio::spawn;
 
@@ -45,44 +45,22 @@ async fn continuously_print_docker_output(docker: &Docker, id: &str) -> anyhow::
 
 async fn start_mpc_node(
     docker: &Docker,
-    node_id: u64,
-    pk_set: &PublicKeySet,
-    sk_share: &SecretKeyShare,
-    actor_address: Option<String>,
-) -> anyhow::Result<(String, String, String)> {
-    let actor_port = portpicker::pick_unused_port().expect("no free ports");
-    let web_port = portpicker::pick_unused_port().expect("no free ports");
-
-    let empty = HashMap::<(), ()>::new();
+    cmd: Vec<String>,
+    web_port: u16,
+    expose_web_port: bool,
+) -> anyhow::Result<(String, String)> {
     let mut exposed_ports = HashMap::new();
-    exposed_ports.insert(format!("{actor_port}/tcp"), empty.clone());
-    exposed_ports.insert(format!("{web_port}/tcp"), empty);
     let mut port_bindings = HashMap::new();
-    port_bindings.insert(
-        format!("{actor_port}/tcp"),
-        Some(vec![PortBinding {
-            host_ip: None,
-            host_port: Some(actor_port.to_string()),
-        }]),
-    );
-    port_bindings.insert(
-        format!("{web_port}/tcp"),
-        Some(vec![PortBinding {
-            host_ip: None,
-            host_port: Some(web_port.to_string()),
-        }]),
-    );
-
-    let mut cmd = vec![
-        "start".to_string(),
-        node_id.to_string(),
-        serde_json::to_string(&pk_set)?,
-        serde_json::to_string(&SerdeSecret(sk_share))?,
-        actor_port.to_string(),
-        web_port.to_string(),
-    ];
-    if let Some(actor_address) = actor_address {
-        cmd.push(actor_address);
+    if expose_web_port {
+        let empty = HashMap::<(), ()>::new();
+        exposed_ports.insert(format!("{web_port}/tcp"), empty);
+        port_bindings.insert(
+            format!("{web_port}/tcp"),
+            Some(vec![PortBinding {
+                host_ip: None,
+                host_port: Some(web_port.to_string()),
+            }]),
+        );
     }
 
     let mpc_recovery_config = Config {
@@ -123,11 +101,60 @@ async fn start_mpc_node(
         .ip_address
         .unwrap();
 
-    Ok((
-        id,
-        format!("{ip_address}:{actor_port}"),
-        format!("localhost:{web_port}"),
-    ))
+    Ok((id, ip_address))
+}
+
+async fn start_mpc_leader_node(
+    docker: &Docker,
+    node_id: u64,
+    pk_set: &PublicKeySet,
+    sk_share: &SecretKeyShare,
+    sign_nodes: Vec<String>,
+) -> anyhow::Result<String> {
+    let web_port = portpicker::pick_unused_port().expect("no free ports");
+
+    let mut cmd = vec![
+        "start-leader".to_string(),
+        node_id.to_string(),
+        "--pk-set".to_string(),
+        serde_json::to_string(&pk_set)?,
+        "--sk-share".to_string(),
+        serde_json::to_string(&SerdeSecret(sk_share))?,
+        "--web-port".to_string(),
+        web_port.to_string(),
+    ];
+    for sign_node in sign_nodes {
+        cmd.push("--sign-nodes".to_string());
+        cmd.push(sign_node);
+    }
+
+    start_mpc_node(docker, cmd, web_port, true).await?;
+    // exposed host address
+    Ok(format!("http://localhost:{web_port}"))
+}
+
+async fn start_mpc_sign_node(
+    docker: &Docker,
+    node_id: u64,
+    pk_set: &PublicKeySet,
+    sk_share: &SecretKeyShare,
+) -> anyhow::Result<String> {
+    let web_port = portpicker::pick_unused_port().expect("no free ports");
+
+    let cmd = vec![
+        "start-sign".to_string(),
+        node_id.to_string(),
+        "--pk-set".to_string(),
+        serde_json::to_string(&pk_set)?,
+        "--sk-share".to_string(),
+        serde_json::to_string(&SerdeSecret(sk_share))?,
+        "--web-port".to_string(),
+        web_port.to_string(),
+    ];
+
+    let (_, ip_address) = start_mpc_node(docker, cmd, web_port, false).await?;
+    // internal network address
+    Ok(format!("http://{ip_address}:{web_port}"))
 }
 
 async fn create_network(docker: &Docker) -> anyhow::Result<()> {
@@ -167,56 +194,39 @@ async fn test_trio() -> anyhow::Result<()> {
     // but only instantiates 3 nodes.
     let (pk_set, sk_shares) = mpc_recovery::generate(4, 3)?;
 
-    let mut actor_addresses = Vec::new();
-    let mut web_ports = Vec::new();
-    for (i, sk_share) in sk_shares.into_iter().enumerate().take(3) {
-        let (_id, actor_address, web_port) = start_mpc_node(
-            &docker,
-            (i + 1) as u64,
-            &pk_set,
-            &sk_share,
-            actor_addresses.first().cloned(),
-        )
-        .await?;
-        actor_addresses.push(actor_address);
-        web_ports.push(web_port);
+    let mut sign_nodes = Vec::new();
+    for i in 2..=3 {
+        let addr = start_mpc_sign_node(&docker, i as u64, &pk_set, &sk_shares[i - 1]).await?;
+        sign_nodes.push(addr);
     }
+    let leader_node = start_mpc_leader_node(&docker, 1, &pk_set, &sk_shares[0], sign_nodes).await?;
 
     // Wait until all nodes initialize
     tokio::time::sleep(Duration::from_millis(2000)).await;
 
-    // TODO: only leader node works for now, other nodes struggling to connect to each other
-    // for some reason.
-    let web_port = &web_ports[0];
     let payload: String = rand::thread_rng()
         .sample_iter(&Alphanumeric)
         .take(10)
         .map(char::from)
         .collect();
     let req = Request::builder()
         .method(Method::POST)
-        .uri(format!("http://{}/submit", web_port))
+        .uri(format!("{}/submit", leader_node))
         .header("content-type", "application/json")
         .body(Body::from(json!({ "payload": payload }).to_string()))?;
 
     let client = Client::new();
-    let mut resp = client.request(req).await?;
+    let response = client.request(req).await?;
 
-    assert_eq!(resp.status(), 200);
+    assert_eq!(response.status(), 200);
 
-    let data = resp.body_mut().data().await.expect("no response body")?;
-    let response_body: String = serde_json::from_slice(&data)?;
-    let signature_bytes = hex::decode(response_body)?;
-    let signature_array: [u8; 96] = signature_bytes.as_slice().try_into().map_err(|_e| {
-        anyhow::anyhow!(
-            "signature has incorrect length: expected 96 bytes, but got {}",
-            signature_bytes.len()
-        )
-    })?;
-    let signature = Signature::from_bytes(signature_array)
-        .map_err(|e| anyhow::anyhow!("malformed signature: {}", e))?;
-
-    assert!(pk_set.public_key().verify(&signature, payload));
+    let data = hyper::body::to_bytes(response).await?;
+    let response: LeaderResponse = serde_json::from_slice(&data)?;
+    if let LeaderResponse::Ok { signature } = response {
+        assert!(pk_set.public_key().verify(&signature, payload));
+    } else {
+        panic!("response was not successful");
+    }
 
     Ok(())
 }

mpc-recovery/Cargo.toml

@@ -23,8 +23,7 @@ axum = "0.6"
 clap = { version = "4.2", features = ["derive"] }
 futures = "0.3"
 hex = "0.4"
-ractor = { version = "0.7", features = ["cluster"] }
-ractor_cluster = "0.7"
+hyper = { version = "0.14", features = ["full"] }
 actix-rt = "2.8"
 threshold_crypto = "0.4.0"
 rand = "0.7"