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Disable Kademlia random walk when --reserved-nodes is passed (#7999)

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* Disable Kademlia random walk when --reserved-nodes is passed

* Update client/network/src/discovery.rs

Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>

Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
This commit is contained in:
Pierre Krieger
2021-02-02 14:52:09 +01:00
committed by GitHub
parent de4cf4c380
commit eeff8f3204
4 changed files with 68 additions and 35 deletions
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substrate/client/cli/src/params/network_params.rs
+8 -3
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@@ -36,10 +36,14 @@ pub struct NetworkParams {
#[structopt(long = "reserved-nodes", value_name = "ADDR")]
pub reserved_nodes: Vec<MultiaddrWithPeerId>,
/// Whether to only allow connections to/from reserved nodes.
/// Whether to only synchronize the chain with reserved nodes.
///
/// If you are a validator your node might still connect to other validator
/// nodes regardless of whether they are defined as reserved nodes.
/// Also disables automatic peer discovery.
///
/// TCP connections might still be established with non-reserved nodes.
/// In particular, if you are a validator your node might still connect to other
/// validator nodes and collator nodes regardless of whether they are defined as
/// reserved nodes.
#[structopt(long = "reserved-only")]
pub reserved_only: bool,
@@ -173,6 +177,7 @@ impl NetworkParams {
wasm_external_transport: None,
},
max_parallel_downloads: self.max_parallel_downloads,
enable_dht_random_walk: !self.reserved_only,
allow_non_globals_in_dht,
kademlia_disjoint_query_paths: self.kademlia_disjoint_query_paths,
yamux_window_size: None,