Skip to content

net: dial a seed named by a domain #152

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
octobocto wants to merge 2 commits into
base: master
Choose a base branch
from
Open

net: dial a seed named by a domain #152

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
cce8f30
net: resolve a seed name with its port
octobocto Sep 6, 2026
f9cfe63
net: replace the dead alphanet seeds
octobocto Sep 6, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
45 changes: 30 additions & 15 deletions lib/net/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -161,19 +161,10 @@ pub fn make_server_endpoint(
pub type PeerInfoRx =
mpsc::UnboundedReceiver<(SocketAddr, Option<PeerConnectionInfo>)>;

const ALPHANET_SEED_PEER_ADDRS: &[PeerAddress<&'static str>] = {
// seed.alpha.ecash.drivecha.in
const DRIVECHA_IN: PeerAddress<&'static str> = PeerAddress {
host: url::Host::Ipv4(Ipv4Addr::new(157, 180, 96, 24)),
port: DEFAULT_PORT,
};
// seed.alpha.ecash.ninja
const ECASH_NINJA: PeerAddress<&'static str> = PeerAddress {
host: url::Host::Domain("seed.alpha.ecash.ninja"),
port: DEFAULT_PORT,
};
&[DRIVECHA_IN, ECASH_NINJA]
};
const ALPHANET_SEED_PEER_ADDRS: &[PeerAddress<&'static str>] = &[PeerAddress {
host: url::Host::Domain("seed.alpha.ecash.eu.com"),
port: DEFAULT_PORT,
}];

const SIGNET_SEED_PEER_ADDRS: &[PeerAddress<&'static str>] = {
const SIGNET_MINING_SERVER: PeerAddress<&'static str> = PeerAddress {
Expand Down Expand Up @@ -216,7 +207,7 @@ pub async fn resolve_peer_address<S>(
peer_addr: PeerAddress<S>,
) -> std::io::Result<ResolvedPeerAddress<S>>
where
S: std::fmt::Display + tokio::net::ToSocketAddrs,
S: std::fmt::Display,
{
match peer_addr.host {
url::Host::Ipv4(ipv4) => Ok(ResolvedPeerAddress::Static(
Expand All @@ -226,7 +217,9 @@ where
SocketAddr::new(IpAddr::V6(ipv6), peer_addr.port),
)),
url::Host::Domain(domain) => {
let mut addrs: Vec<_> = tokio::net::lookup_host(&domain)
// `lookup_host` reads a `host:port` pair, not a bare name.
let host_port = format!("{domain}:{}", peer_addr.port);
let mut addrs: Vec<_> = tokio::net::lookup_host(host_port)
.await?
.filter_map(|addr| {
if addr.ip().is_unspecified() {
Expand Down Expand Up @@ -674,3 +667,25 @@ impl Net {
})
}
}

#[cfg(test)]
mod test {
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};

use crate::{net::resolve_peer_address, types::net::PeerAddress};

/// A seed names a host and a port, and the resolver keeps both.
#[tokio::test]
async fn a_seed_name_resolves_with_its_port() -> anyhow::Result<()> {
let peer_addr: PeerAddress = "localhost:4009".parse()?;
let resolved = resolve_peer_address(peer_addr).await?;
assert_eq!(resolved.port(), 4009);
assert!(
resolved
.ip_addrs()
.any(|addr| addr == IpAddr::V4(Ipv4Addr::LOCALHOST)
|| addr == IpAddr::V6(Ipv6Addr::LOCALHOST))
);
Ok(())
}
}
Loading