Fake turbine peers for tests of agave retransmit

gistfile1.txt

--- a/turbine/src/cluster_nodes.rs
+++ b/turbine/src/cluster_nodes.rs
@@ -444,6 +444,24 @@ fn get_nodes(
                 Node { node, stake }
             }),
     )
+    // Add a bunch of fake, unstaked nodes for testing.
+    .chain((0..5000).map(|i: u16| {
+        let addr_byte1 = (i / 256).min(255) as u8;
+
+        let addr_byte2 = (i % 256).min(255) as u8;
+
+        let contact_info = ContactInfo {
+            pubkey: Pubkey::new_unique(),
+            wallclock: timestamp(),
+            tvu_quic: None,
+            tvu_udp: Some(SocketAddr::new(
+                std::net::IpAddr::V4(std::net::Ipv4Addr::new(150, 150, addr_byte1, addr_byte2)),
+                8080,
+            )),
+        };
+        let node = NodeId::from(contact_info);
+        Node { node, stake: 0 }
+    }))
     // All staked nodes.
     .chain(
         stakes