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feat: Default to localhost-only network, add --allow-network-overrides

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Network now defaults to localhost-only (local discovery/listener, no DNS/NAT).
Use --allow-network-overrides flag to restore CLI-based network configuration.
This commit is contained in:
sprites0
2025-11-05 07:38:24 +00:00
parent ff272fcfb3
commit 2a118cdacd
4 changed files with 39 additions and 11 deletions
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32
src/node/network/mod.rs
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@ -25,7 +25,10 @@ use reth_network::{NetworkConfig, NetworkHandle, NetworkManager};
use reth_network_api::PeersInfo;
use reth_provider::StageCheckpointReader;
use reth_stages_types::StageId;
use std::sync::Arc;
use std::{
net::{Ipv4Addr, SocketAddr},
sync::Arc,
};
use tokio::sync::{Mutex, mpsc, oneshot};
use tracing::info;
@ -144,6 +147,8 @@ pub struct HlNetworkBuilder {
pub(crate) block_source_config: BlockSourceConfig,
pub(crate) debug_cutoff_height: Option<u64>,
pub(crate) allow_network_overrides: bool,
}
impl HlNetworkBuilder {
@ -174,15 +179,24 @@ impl HlNetworkBuilder {
ImportService::new(consensus, handle, from_network, to_network).await.unwrap();
});
Ok(ctx.build_network_config(
ctx.network_config_builder()?
let mut config_builder = ctx.network_config_builder()?;
// Only apply localhost-only network settings if network overrides are NOT allowed
if !self.allow_network_overrides {
config_builder = config_builder
.discovery_addr(SocketAddr::new(Ipv4Addr::LOCALHOST.into(), 0))
.listener_addr(SocketAddr::new(Ipv4Addr::LOCALHOST.into(), 0))
.disable_dns_discovery()
.disable_nat()
.boot_nodes(boot_nodes())
.set_head(ctx.head())
.with_pow()
.block_import(Box::new(HlBlockImport::new(handle))),
))
.disable_nat();
}
config_builder = config_builder
.boot_nodes(boot_nodes())
.set_head(ctx.head())
.with_pow()
.block_import(Box::new(HlBlockImport::new(handle)));
Ok(ctx.build_network_config(config_builder))
}
}