From 87920d8685195604f343eec8235e9571e02c85bc Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Sun, 21 Sep 2025 23:34:33 -0400
Subject: [PATCH] Use `libp2p 0.56` in `serai-node`

---
 Cargo.lock                    |  2 +-
 substrate/node/Cargo.toml     |  2 +-
 substrate/node/src/service.rs | 17 +++++++++++++++--
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f74ce69c..0366ecf7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9184,7 +9184,7 @@ dependencies = [
  "futures-util",
  "hex",
  "jsonrpsee",
- "libp2p 0.52.4",
+ "libp2p 0.56.0",
  "log",
  "pallet-transaction-payment-rpc",
  "rand_core 0.6.4",
diff --git a/substrate/node/Cargo.toml b/substrate/node/Cargo.toml
index 922b55a4..0ae64b0a 100644
--- a/substrate/node/Cargo.toml
+++ b/substrate/node/Cargo.toml
@@ -27,7 +27,7 @@ log = "0.4"
 
 schnorrkel = "0.11"
 
-libp2p = "0.52"
+libp2p = "0.56"
 
 sp-core = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev =  "7f2a8865cd0ded35e1d62fc330915d44dfa3beab" }
 sp-keystore = { git = "https://github.com/serai-dex/patch-polkadot-sdk", rev =  "7f2a8865cd0ded35e1d62fc330915d44dfa3beab" }
diff --git a/substrate/node/src/service.rs b/substrate/node/src/service.rs
index ff6f080c..ec794869 100644
--- a/substrate/node/src/service.rs
+++ b/substrate/node/src/service.rs
@@ -225,7 +225,15 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
       // While the PeerIds *should* be known in advance and hardcoded, that data wasn't collected in
       // time and this fine for a testnet
       let bootnodes = || async {
-        use libp2p::{Transport as TransportTrait, tcp::tokio::Transport, noise::Config};
+        use libp2p::{
+          core::{
+            Endpoint,
+            transport::{PortUse, DialOpts},
+          },
+          Transport as TransportTrait,
+          tcp::tokio::Transport,
+          noise::Config,
+        };
 
         let bootnode_multiaddrs = crate::chain_spec::bootnode_multiaddrs(&id);
 
@@ -239,7 +247,12 @@ pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError>
                 .upgrade(libp2p::core::upgrade::Version::V1)
                 .authenticate(noise)
                 .multiplex(libp2p::yamux::Config::default());
-              let Ok(transport) = transport.dial(multiaddr.clone()) else { None? };
+              let Ok(transport) = transport.dial(
+                multiaddr.clone(),
+                DialOpts { role: Endpoint::Dialer, port_use: PortUse::Reuse },
+              ) else {
+                None?
+              };
               let Ok((peer_id, _)) = transport.await else { None? };
               Some(sc_network::config::MultiaddrWithPeerId {
                 multiaddr: multiaddr.into(),