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use crate::params::node_key_params::NodeKeyParams;
use sc_network::{
config::{NetworkConfiguration, NodeKeyConfig, NonReservedPeerMode, TransportConfig},
multiaddr::Protocol,
};
use sc_service::{ChainSpec, config::{Multiaddr, MultiaddrWithPeerId}};
use std::path::PathBuf;
use structopt::StructOpt;
#[derive(Debug, StructOpt)]
pub struct NetworkParams {
#[structopt(long = "bootnodes", value_name = "ADDR")]
pub bootnodes: Vec<MultiaddrWithPeerId>,
#[structopt(long = "reserved-nodes", value_name = "ADDR")]
pub reserved_nodes: Vec<MultiaddrWithPeerId>,
#[structopt(long = "reserved-only")]
pub reserved_only: bool,
#[structopt(long, value_name = "PUBLIC_ADDR")]
pub public_addr: Vec<Multiaddr>,
#[structopt(long = "listen-addr", value_name = "LISTEN_ADDR")]
pub listen_addr: Vec<Multiaddr>,
#[structopt(long = "port", value_name = "PORT", conflicts_with_all = &[ "listen-addr" ])]
pub port: Option<u16>,
#[structopt(long = "no-private-ipv4")]
pub no_private_ipv4: bool,
#[structopt(long = "out-peers", value_name = "COUNT", default_value = "25")]
pub out_peers: u32,
#[structopt(long = "in-peers", value_name = "COUNT", default_value = "25")]
pub in_peers: u32,
#[structopt(long = "no-mdns")]
pub no_mdns: bool,
#[structopt(
long = "max-parallel-downloads",
value_name = "COUNT",
default_value = "5"
)]
pub max_parallel_downloads: u32,
#[allow(missing_docs)]
#[structopt(flatten)]
pub node_key_params: NodeKeyParams,
#[structopt(long)]
pub no_yamux_flow_control: bool,
#[structopt(long)]
pub discover_local: bool,
}
impl NetworkParams {
pub fn network_config(
&self,
chain_spec: &Box<dyn ChainSpec>,
is_dev: bool,
net_config_path: Option<PathBuf>,
client_id: &str,
node_name: &str,
node_key: NodeKeyConfig,
default_listen_port: u16,
) -> NetworkConfiguration {
let port = self.port.unwrap_or(default_listen_port);
let listen_addresses = if self.listen_addr.is_empty() {
vec![
Multiaddr::empty()
.with(Protocol::Ip6([0, 0, 0, 0, 0, 0, 0, 0].into()))
.with(Protocol::Tcp(port)),
Multiaddr::empty()
.with(Protocol::Ip4([0, 0, 0, 0].into()))
.with(Protocol::Tcp(port)),
]
} else {
self.listen_addr.clone()
};
let public_addresses = self.public_addr.clone();
let mut boot_nodes = chain_spec.boot_nodes().to_vec();
boot_nodes.extend(self.bootnodes.clone());
NetworkConfiguration {
boot_nodes,
net_config_path,
reserved_nodes: self.reserved_nodes.clone(),
non_reserved_mode: if self.reserved_only {
NonReservedPeerMode::Deny
} else {
NonReservedPeerMode::Accept
},
listen_addresses,
public_addresses,
notifications_protocols: Vec::new(),
request_response_protocols: Vec::new(),
node_key,
node_name: node_name.to_string(),
client_version: client_id.to_string(),
in_peers: self.in_peers,
out_peers: self.out_peers,
transport: TransportConfig::Normal {
enable_mdns: !is_dev && !self.no_mdns,
allow_private_ipv4: !self.no_private_ipv4,
wasm_external_transport: None,
use_yamux_flow_control: !self.no_yamux_flow_control,
},
max_parallel_downloads: self.max_parallel_downloads,
allow_non_globals_in_dht: self.discover_local || is_dev,
}
}
}