libp2p: public means global routable

1 files changed, 24 insertions, 0 deletions

diff --git a/src/transport/libp2p/tests.rs b/src/transport/libp2p/tests.rs
index 801dfd3..fd607fe 100644
--- a/src/transport/libp2p/tests.rs
+++ b/src/transport/libp2p/tests.rs
@@ -539,6 +539,30 @@ async fn a_member_that_relays_is_picked() {
 
 /// A peer on the LAN that speaks continuum becomes a seed once, at its address.
 #[test]
+fn public_ranges() {
+    let public = |ip: &str| book::is_public(ip.parse().unwrap());
+    assert!(public("203.0.114.5"));
+    assert!(public("2a01:4f8::1"));
+    for not in [
+        "10.1.2.3",
+        "100.64.0.1",
+        "192.0.2.1",
+        "198.18.0.1",
+        "224.0.0.1",
+        "255.255.255.255",
+        "::1",
+        "fd00::1",
+        "fe80::1",
+        "2001:db8::1",
+        "64:ff9b::1",
+        // Mycelium's overlay.
+        "45f:fa21:4bdd::1",
+    ] {
+        assert!(!public(not), "{not}");
+    }
+}
+
+#[test]
 fn lan_peers_become_seeds_once() {
     let mut book = Book::default();
     let lan = peer();