112 lines
3.6 KiB
Rust
112 lines
3.6 KiB
Rust
use clap::ArgMatches;
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use enr::Enr;
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use libp2p::{
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gossipsub::{GossipsubConfig, GossipsubConfigBuilder},
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multiaddr::Multiaddr,
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};
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use serde_derive::{Deserialize, Serialize};
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use std::time::Duration;
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/// The beacon node topic string to subscribe to.
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pub const BEACON_PUBSUB_TOPIC: &str = "beacon_block";
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pub const BEACON_ATTESTATION_TOPIC: &str = "beacon_attestation";
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//TODO: Implement shard subnets
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pub const SHARD_TOPIC_PREFIX: &str = "shard";
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#[derive(Clone, Debug, Serialize, Deserialize)]
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#[serde(default)]
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/// Network configuration for lighthouse.
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pub struct Config {
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/// IP address to listen on.
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pub listen_addresses: Vec<Multiaddr>,
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/// Specifies the IP address that the discovery protocol will listen on.
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pub discovery_address: std::net::IpAddr,
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/// UDP port that discovery listens on.
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pub discovery_port: u16,
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/// Target number of connected peers.
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pub max_peers: usize,
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/// Gossipsub configuration parameters.
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#[serde(skip)]
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pub gs_config: GossipsubConfig,
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/// List of nodes to initially connect to.
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pub boot_nodes: Vec<Enr>,
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/// Client version
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pub client_version: String,
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/// List of extra topics to initially subscribe to as strings.
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pub topics: Vec<String>,
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}
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impl Default for Config {
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/// Generate a default network configuration.
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fn default() -> Self {
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Config {
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listen_addresses: vec!["/ip4/127.0.0.1/tcp/9000".parse().expect("vaild multiaddr")],
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discovery_address: "0.0.0.0".parse().expect("valid ip address"),
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discovery_port: 9000,
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max_peers: 10,
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//TODO: Set realistic values for production
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gs_config: GossipsubConfigBuilder::new()
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.max_gossip_size(4_000_000)
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.inactivity_timeout(Duration::from_secs(90))
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.heartbeat_interval(Duration::from_secs(20))
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.build(),
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boot_nodes: vec![],
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client_version: version::version(),
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topics: Vec::new(),
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}
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}
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}
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/// Generates a default Config.
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impl Config {
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pub fn new() -> Self {
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Config::default()
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}
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pub fn apply_cli_args(&mut self, args: &ArgMatches) -> Result<(), String> {
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if let Some(listen_address_str) = args.value_of("listen-address") {
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self.listen_addresses = listen_address_str
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.split(',')
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.map(|a| {
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a.parse::<Multiaddr>()
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.map_err(|_| format!("Invalid Listen address: {:?}", a))
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})
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.collect::<Result<Vec<Multiaddr>, _>>()?;
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}
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if let Some(max_peers_str) = args.value_of("maxpeers") {
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self.max_peers = max_peers_str
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.parse::<usize>()
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.map_err(|_| format!("Invalid number of max peers: {}", max_peers_str))?;
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}
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if let Some(discovery_address_str) = args.value_of("disc-listen-address") {
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self.discovery_address = discovery_address_str
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.parse::<std::net::IpAddr>()
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.map_err(|_| format!("Invalid discovery address: {:?}", discovery_address_str))?;
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}
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if let Some(boot_enr_str) = args.value_of("boot-nodes") {
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self.boot_nodes = boot_enr_str
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.split(',')
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.map(|enr| enr.parse().map_err(|_| format!("Invalid ENR: {}", enr)))
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.collect::<Result<Vec<Enr>, _>>()?;
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}
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if let Some(disc_port_str) = args.value_of("disc-port") {
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self.discovery_port = disc_port_str
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.parse::<u16>()
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.map_err(|_| format!("Invalid discovery port: {}", disc_port_str))?;
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}
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Ok(())
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}
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}
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