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use cli::client_proxy::ClientProxy;
use diem_client::BlockingClient;
use diem_config::config::NodeConfig;
use diem_temppath::TempPath;
use diem_types::{chain_id::ChainId, waypoint::Waypoint};
use nix::{
sys::signal::{kill, SIGKILL},
unistd::Pid,
};
use std::{fmt, fs::File, io::Write, path::PathBuf, process::Stdio, time::Duration};
#[derive(Debug)]
pub struct NodeInfo {
pub chain_id: ChainId,
pub json_rpc: String,
pub root_key_path: PathBuf,
pub waypoint: Waypoint,
pub local_node_info: Option<LocalNodeInfo>,
}
#[derive(Debug)]
pub struct LocalNodeInfo {
pub log_path: PathBuf,
pub config_path: TempPath,
node_pid: Pid,
}
fn diem_root_folder() -> PathBuf {
let mut diem_root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
diem_root_dir.pop();
diem_root_dir.pop();
diem_root_dir.pop();
diem_root_dir
}
fn wait_till_healthy(json_rpc: &str) {
let client = BlockingClient::new(json_rpc);
loop {
if client.get_metadata().is_ok() {
break;
}
std::thread::sleep(Duration::from_millis(10));
}
}
impl NodeInfo {
pub fn new_local() -> Self {
let config_temp_path = diem_temppath::TempPath::new();
let config_path = config_temp_path.as_ref().to_path_buf();
std::fs::DirBuilder::new()
.recursive(true)
.create(&config_path)
.unwrap();
let config_path = config_path.canonicalize().unwrap();
let template = NodeConfig::default_for_validator();
let builder = diem_genesis_tool::validator_builder::ValidatorBuilder::new(
&config_path,
diem_framework_releases::current_module_blobs().to_vec(),
)
.template(template)
.randomize_first_validator_ports(true);
let (root_keys, _genesis, genesis_waypoint, validators) =
builder.build(rand::rngs::OsRng).unwrap();
let diem_root_key_path = config_path.join("mint.key");
let serialized_keys = bcs::to_bytes(&root_keys.root_key).unwrap();
let mut key_file = std::fs::File::create(&diem_root_key_path).unwrap();
key_file.write_all(&serialized_keys).unwrap();
let mut log_file = config_path;
log_file.push("validator.log");
let log = File::create(log_file.as_path()).unwrap();
let child_pid = std::process::Command::new("cargo")
.args(&[
"run",
"--bin",
"diem-node",
"--",
"--config",
validators[0].config_path().to_str().unwrap(),
])
.current_dir(diem_root_folder())
.stderr(log)
.stdout(Stdio::null())
.spawn()
.unwrap()
.id();
let config = NodeConfig::load(validators[0].config_path()).unwrap();
let json_rpc = format!("http://localhost:{}", config.json_rpc.address.port());
wait_till_healthy(json_rpc.as_str());
NodeInfo {
chain_id: ChainId::test(),
json_rpc,
root_key_path: diem_root_key_path,
waypoint: genesis_waypoint,
local_node_info: Some(LocalNodeInfo {
log_path: log_file,
config_path: config_temp_path,
node_pid: Pid::from_raw(child_pid as i32),
}),
}
}
pub fn get_client(&self) -> ClientProxy {
let root_key = self.root_key_path.to_str().unwrap();
ClientProxy::new(
self.chain_id,
self.json_rpc.as_str(),
root_key,
root_key,
root_key,
false,
None,
None,
self.waypoint,
false,
)
.expect("Failed to spawn a client from the NodeInfo")
}
}
impl Drop for LocalNodeInfo {
fn drop(&mut self) {
kill(self.node_pid, Some(SIGKILL)).unwrap();
}
}
impl fmt::Display for NodeInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
writeln!(f, "json-rpc endpoint: {}", self.json_rpc)?;
writeln!(f, "waypoint: {}", self.waypoint)?;
writeln!(f, "chain-id: {}", self.chain_id)?;
writeln!(f, "root-key path: {:?}", self.root_key_path)?;
if let Some(info) = &self.local_node_info {
writeln!(f, "config path: {:?}", info.config_path.path())?;
writeln!(f, "log path: {:?}", info.log_path)?;
}
Ok(())
}
}