lighthouse/beacon_node/client/src/client_config.rs
2019-03-20 09:58:31 +11:00

125 lines
4.2 KiB
Rust

use clap::ArgMatches;
use db::DBType;
use fork_choice::ForkChoiceAlgorithm;
use network::NetworkConfig;
use slog::error;
use std::fs;
use std::net::SocketAddr;
use std::net::{IpAddr, Ipv4Addr};
use std::path::PathBuf;
use types::multiaddr::Protocol;
use types::multiaddr::ToMultiaddr;
use types::ChainSpec;
/// Stores the client configuration for this Lighthouse instance.
#[derive(Debug, Clone)]
pub struct ClientConfig {
pub data_dir: PathBuf,
pub spec: ChainSpec,
pub net_conf: network::NetworkConfig,
pub fork_choice: ForkChoiceAlgorithm,
pub db_type: DBType,
pub db_name: PathBuf,
pub rpc_conf: rpc::RPCConfig,
//pub ipc_conf:
}
impl Default for ClientConfig {
/// Build a new lighthouse configuration from defaults.
fn default() -> Self {
let data_dir = {
let home = dirs::home_dir().expect("Unable to determine home dir.");
home.join(".lighthouse/")
};
fs::create_dir_all(&data_dir)
.unwrap_or_else(|_| panic!("Unable to create {:?}", &data_dir));
let default_spec = ChainSpec::lighthouse_testnet();
let default_net_conf = NetworkConfig::new(default_spec.boot_nodes.clone());
Self {
data_dir: data_dir.clone(),
// default to foundation for chain specs
spec: default_spec,
net_conf: default_net_conf,
// default to bitwise LMD Ghost
fork_choice: ForkChoiceAlgorithm::BitwiseLMDGhost,
// default to memory db for now
db_type: DBType::Memory,
// default db name for disk-based dbs
db_name: data_dir.join("chain.db"),
rpc_conf: rpc::RPCConfig::default(),
}
}
}
impl ClientConfig {
/// Parses the CLI arguments into a `Config` struct.
pub fn parse_args(args: ArgMatches, log: &slog::Logger) -> Result<Self, &'static str> {
let mut config = ClientConfig::default();
/* Network related arguments */
// Custom p2p listen port
if let Some(port_str) = args.value_of("port") {
if let Ok(port) = port_str.parse::<u16>() {
config.net_conf.listen_port = port;
// update the listening multiaddrs
for address in &mut config.net_conf.listen_addresses {
address.pop();
address.append(Protocol::Tcp(port));
}
} else {
error!(log, "Invalid port"; "port" => port_str);
return Err("Invalid port");
}
}
// Custom listening address ipv4/ipv6
// TODO: Handle list of addresses
if let Some(listen_address_str) = args.value_of("listen_address") {
if let Ok(listen_address) = listen_address_str.parse::<IpAddr>() {
let multiaddr = SocketAddr::new(listen_address, config.net_conf.listen_port)
.to_multiaddr()
.expect("Invalid listen address format");
config.net_conf.listen_addresses = vec![multiaddr];
} else {
error!(log, "Invalid IP Address"; "Address" => listen_address_str);
return Err("Invalid IP Address");
}
}
/* Filesystem related arguments */
// Custom datadir
if let Some(dir) = args.value_of("datadir") {
config.data_dir = PathBuf::from(dir.to_string());
};
/* RPC related arguments */
if args.is_present("rpc") {
config.rpc_conf.enabled = true;
}
if let Some(rpc_address) = args.value_of("rpc-address") {
if let Ok(listen_address) = rpc_address.parse::<Ipv4Addr>() {
config.rpc_conf.listen_address = listen_address;
} else {
error!(log, "Invalid RPC listen address"; "Address" => rpc_address);
return Err("Invalid RPC listen address");
}
}
if let Some(rpc_port) = args.value_of("rpc-port") {
if let Ok(port) = rpc_port.parse::<u16>() {
config.rpc_conf.port = port;
} else {
error!(log, "Invalid RPC port"; "port" => rpc_port);
return Err("Invalid RPC port");
}
}
Ok(config)
}
}