feat(p2p/native): add datachannel-rs backend

Author: binier

Cargo.lock

@@ -1 +1 @@
-pub use tokio::sync::{broadcast, mpsc, oneshot};
+pub use tokio::sync::{broadcast, mpsc, oneshot, watch};

core/src/channels.rs

@@ -291,7 +291,8 @@ impl NodeBuilder {
     }
 
     pub fn build(mut self) -> anyhow::Result<Node> {
-        let p2p_sec_key = self.p2p_sec_key.unwrap_or_else(P2pSecretKey::rand);
+        let p2p_sec_key = self.p2p_sec_key.clone().unwrap_or_else(P2pSecretKey::rand);
+        self.p2p_sec_key(p2p_sec_key.clone());
         if self.p2p.initial_peers.is_empty() && !self.p2p_is_seed {
             self.p2p.initial_peers = default_peers();
         }

node/native/src/node/builder.rs

@@ -69,6 +69,7 @@ p2p-testing = { path = "testing" }
 redux = { workspace = true, features=["serializable_callbacks"] }
 tokio = { version = "1.26", features = ["rt"] }
 webrtc = { git = "https://github.com/openmina/webrtc.git", rev = "e8705db39af1b198b324a5db6ff57fb213ba75e9", optional = true }
+datachannel = { git = "https://github.com/openmina/datachannel-rs.git", rev = "1bfb064d0ff3e54a93ae0288409902aab8d102d3", optional = true }
 reqwest = { version = "0.11", features = ["json"] }
 mio = { version = "0.8.11", features = ["os-poll", "net"] }
 libc = { version = "0.2.151" }
@@ -85,6 +86,8 @@ tokio = { version = "1.26", features = ["macros"] }
 getrandom = { version = "0.2", features = ["js"] }
 
 [features]
-p2p-webrtc = ["webrtc"]
+p2p-webrtc = ["p2p-webrtc-cpp"]
+p2p-webrtc-rs = ["webrtc"]
+p2p-webrtc-cpp = ["datachannel"]
 p2p-libp2p = ["fuzzing", "dep:reqwest", "dep:faster-stun"]
 fuzzing = ["openmina-fuzzer", "openmina-core/fuzzing"]