Implement multiplexer and mini-protocols PoC

pallas-handshake/examples/node.rs

@@ -0,0 +1,26 @@
+use net2::TcpStreamExt;
+use std::net::TcpStream;
+
+use pallas_handshake::n2n::{Client, VersionTable};
+use pallas_handshake::MAINNET_MAGIC;
+use pallas_machines::run_agent;
+use pallas_multiplexer::Multiplexer;
+
+fn main() {
+    env_logger::init();
+
+    //let bearer = TcpStream::connect("localhost:6000").unwrap();
+    let bearer =
+        TcpStream::connect("relays-new.cardano-mainnet.iohk.io:3001").unwrap();
+
+    bearer.set_nodelay(true).unwrap();
+    bearer.set_keepalive_ms(Some(30_000u32)).unwrap();
+
+    let mut handles = Multiplexer::new(bearer, &vec![0]).unwrap();
+    let (_, rx, tx) = handles.remove(0);
+
+    let versions = VersionTable::v4_and_above(MAINNET_MAGIC);
+    let last = run_agent(Client::initial(versions), rx, &tx).unwrap();
+
+    println!("{:?}", last);
+}