removes repair socket from gossip ContactInfo

Repair responses are sent back to the address the repair request came
from and there is no need to gossip repair socket address.
https://github.com/solana-labs/solana/blob/9212ac347/core/src/repair/serve_repair.rs#L519

core/src/repair/serve_repair.rs

@@ -214,7 +214,7 @@ pub(crate) type Ping = ping_pong::Ping<[u8; REPAIR_PING_TOKEN_SIZE]>;
 
 /// Window protocol messages
 #[derive(Debug, AbiEnumVisitor, AbiExample, Deserialize, Serialize, strum_macros::Display)]
-#[frozen_abi(digest = "DPHju3YufeNw1qfr22ZWRgJdXb1TvZt8iwLqWXUTyrtW")]
+#[frozen_abi(digest = "7vZyACjc13qQYWUsqWbdidLXR3uNXpmqUZaKeV3gKuY2")]
 pub enum RepairProtocol {
     LegacyWindowIndex(LegacyContactInfo, Slot, u64),
     LegacyHighestWindowIndex(LegacyContactInfo, Slot, u64),
@@ -1912,7 +1912,6 @@ mod tests {
         nxt.set_gossip((Ipv4Addr::LOCALHOST, 1234)).unwrap();
         nxt.set_tvu((Ipv4Addr::LOCALHOST, 1235)).unwrap();
         nxt.set_tvu_quic((Ipv4Addr::LOCALHOST, 1236)).unwrap();
-        nxt.set_repair((Ipv4Addr::LOCALHOST, 1237)).unwrap();
         nxt.set_tpu((Ipv4Addr::LOCALHOST, 1238)).unwrap();
         nxt.set_tpu_forwards((Ipv4Addr::LOCALHOST, 1239)).unwrap();
         nxt.set_tpu_vote((Ipv4Addr::LOCALHOST, 1240)).unwrap();
@@ -1943,7 +1942,6 @@ mod tests {
         nxt.set_gossip((Ipv4Addr::LOCALHOST, 1234)).unwrap();
         nxt.set_tvu((Ipv4Addr::LOCALHOST, 1235)).unwrap();
         nxt.set_tvu_quic((Ipv4Addr::LOCALHOST, 1236)).unwrap();
-        nxt.set_repair((Ipv4Addr::LOCALHOST, 1237)).unwrap();
         nxt.set_tpu((Ipv4Addr::LOCALHOST, 1238)).unwrap();
         nxt.set_tpu_forwards((Ipv4Addr::LOCALHOST, 1239)).unwrap();
         nxt.set_tpu_vote((Ipv4Addr::LOCALHOST, 1240)).unwrap();

dos/src/main.rs

@@ -448,7 +448,7 @@ fn get_target(
                     Mode::TpuForwards => {
                         Some((*node.pubkey(), node.tpu_forwards(protocol).unwrap()))
                     }
-                    Mode::Repair => Some((*node.pubkey(), node.repair().unwrap())),
+                    Mode::Repair => todo!("repair socket is not gossiped anymore!"),
                     Mode::ServeRepair => Some((*node.pubkey(), node.serve_repair().unwrap())),
                     Mode::Rpc => None,
                 };
@@ -856,6 +856,9 @@ pub mod test {
             },
         );
 
+        // TODO: Figure out how to DOS repair. Repair socket is no longer
+        // gossiped and cannot be obtained from a node's contact-info.
+        #[cfg(not(test))]
         run_dos_no_client(
             &nodes,
             1,

gossip/src/cluster_info.rs

@@ -271,7 +271,7 @@ pub fn make_accounts_hashes_message(
 pub(crate) type Ping = ping_pong::Ping<[u8; GOSSIP_PING_TOKEN_SIZE]>;
 
 // TODO These messages should go through the gpu pipeline for spam filtering
-#[frozen_abi(digest = "9eS1agTwFQxCcCWgoBYhPfEVBfXkppan1zbob5rRRu7u")]
+#[frozen_abi(digest = "4jtxvWyeFwfDQTTGh4yJLyukALzRNVJ9WNnCbFeJUmaS")]
 #[derive(Serialize, Deserialize, Debug, AbiEnumVisitor, AbiExample)]
 #[allow(clippy::large_enum_variant)]
 pub(crate) enum Protocol {
@@ -824,7 +824,7 @@ impl ClusterInfo {
                     }
                     let ip_addr = node.gossip().as_ref().map(SocketAddr::ip).ok();
                     Some(format!(
-                        "{:15} {:2}| {:5} | {:44} |{:^9}| {:5}|  {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {}\n",
+                        "{:15} {:2}| {:5} | {:44} |{:^9}| {:5}|  {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {}\n",
                         node.gossip()
                             .ok()
                             .filter(|addr| self.socket_addr_space.check(addr))
@@ -847,7 +847,6 @@ impl ClusterInfo {
                         self.addr_to_string(&ip_addr, &node.tpu_forwards(contact_info::Protocol::UDP).ok()),
                         self.addr_to_string(&ip_addr, &node.tvu(contact_info::Protocol::UDP).ok()),
                         self.addr_to_string(&ip_addr, &node.tvu(contact_info::Protocol::QUIC).ok()),
-                        self.addr_to_string(&ip_addr, &node.repair().ok()),
                         self.addr_to_string(&ip_addr, &node.serve_repair().ok()),
                         node.shred_version(),
                     ))
@@ -857,9 +856,9 @@ impl ClusterInfo {
 
         format!(
             "IP Address        |Age(ms)| Node identifier                              \
-             | Version |Gossip|TPUvote| TPU  |TPUfwd| TVU  |TVU Q |Repair|ServeR|ShredVer\n\
-             ------------------+-------+----------------------------------------------\
-             +---------+------+-------+------+------+------+------+------+------+--------\n\
+             | Version |Gossip|TPUvote| TPU  |TPUfwd| TVU  |TVU Q |ServeR|ShredVer\n\
+             ------------------+-------+---------------------------------------\
+             +---------+------+-------+------+------+------+------+------+--------\n\
              {}\
              Nodes: {}{}{}",
             nodes.join(""),
@@ -2858,7 +2857,6 @@ impl Node {
         set_socket!(set_gossip, gossip_addr, "gossip");
         set_socket!(set_tvu, tvu.local_addr().unwrap(), "TVU");
         set_socket!(set_tvu_quic, tvu_quic.local_addr().unwrap(), "TVU QUIC");
-        set_socket!(set_repair, repair.local_addr().unwrap(), "repair");
         set_socket!(set_tpu, tpu.local_addr().unwrap(), "TPU");
         set_socket!(
             set_tpu_forwards,
@@ -2930,7 +2928,7 @@ impl Node {
             bind_two_in_range_with_offset(bind_ip_addr, port_range, QUIC_PORT_OFFSET).unwrap();
         let (tpu_vote_port, tpu_vote) = Self::bind(bind_ip_addr, port_range);
         let (_, retransmit_socket) = Self::bind(bind_ip_addr, port_range);
-        let (repair_port, repair) = Self::bind(bind_ip_addr, port_range);
+        let (_, repair) = Self::bind(bind_ip_addr, port_range);
         let (serve_repair_port, serve_repair) = Self::bind(bind_ip_addr, port_range);
         let (_, broadcast) = Self::bind(bind_ip_addr, port_range);
         let (_, ancestor_hashes_requests) = Self::bind(bind_ip_addr, port_range);
@@ -2955,7 +2953,6 @@ impl Node {
         set_socket!(set_gossip, gossip_port, "gossip");
         set_socket!(set_tvu, tvu_port, "TVU");
         set_socket!(set_tvu_quic, tvu_quic_port, "TVU QUIC");
-        set_socket!(set_repair, repair_port, "repair");
         set_socket!(set_tpu, tpu_port, "TPU");
         set_socket!(set_tpu_forwards, tpu_forwards_port, "TPU-forwards");
         set_socket!(set_tpu_vote, tpu_vote_port, "TPU-vote");
@@ -3024,7 +3021,7 @@ impl Node {
         let (_, retransmit_sockets) =
             multi_bind_in_range(bind_ip_addr, port_range, 8).expect("retransmit multi_bind");
 
-        let (repair_port, repair) = Self::bind(bind_ip_addr, port_range);
+        let (_, repair) = Self::bind(bind_ip_addr, port_range);
         let (serve_repair_port, serve_repair) = Self::bind(bind_ip_addr, port_range);
 
         let (_, broadcast) =
@@ -3041,7 +3038,6 @@ impl Node {
         let _ = info.set_gossip((addr, gossip_port));
         let _ = info.set_tvu((addr, tvu_port));
         let _ = info.set_tvu_quic((addr, tvu_quic_port));
-        let _ = info.set_repair((addr, repair_port));
         let _ = info.set_tpu(public_tpu_addr.unwrap_or_else(|| SocketAddr::new(addr, tpu_port)));
         let _ = info.set_tpu_forwards(
             public_tpu_forwards_addr.unwrap_or_else(|| SocketAddr::new(addr, tpu_forwards_port)),

gossip/src/contact_info.rs

@@ -26,7 +26,6 @@ pub const SOCKET_ADDR_UNSPECIFIED: SocketAddr =
     SocketAddr::new(IpAddr::V4(Ipv4Addr::UNSPECIFIED), /*port:*/ 0u16);
 
 const SOCKET_TAG_GOSSIP: u8 = 0;
-const SOCKET_TAG_REPAIR: u8 = 1;
 const SOCKET_TAG_RPC: u8 = 2;
 const SOCKET_TAG_RPC_PUBSUB: u8 = 3;
 const SOCKET_TAG_SERVE_REPAIR: u8 = 4;
@@ -223,7 +222,6 @@ impl ContactInfo {
     }
 
     get_socket!(gossip, SOCKET_TAG_GOSSIP);
-    get_socket!(repair, SOCKET_TAG_REPAIR);
     get_socket!(rpc, SOCKET_TAG_RPC);
     get_socket!(rpc_pubsub, SOCKET_TAG_RPC_PUBSUB);
     get_socket!(serve_repair, SOCKET_TAG_SERVE_REPAIR);
@@ -237,7 +235,6 @@ impl ContactInfo {
     get_socket!(tvu, SOCKET_TAG_TVU, SOCKET_TAG_TVU_QUIC);
 
     set_socket!(set_gossip, SOCKET_TAG_GOSSIP);
-    set_socket!(set_repair, SOCKET_TAG_REPAIR);
     set_socket!(set_rpc, SOCKET_TAG_RPC);
     set_socket!(set_rpc_pubsub, SOCKET_TAG_RPC_PUBSUB);
     set_socket!(set_serve_repair, SOCKET_TAG_SERVE_REPAIR);
@@ -365,7 +362,6 @@ impl ContactInfo {
         node.set_gossip((Ipv4Addr::LOCALHOST, 8000)).unwrap();
         node.set_tvu((Ipv4Addr::LOCALHOST, 8001)).unwrap();
         node.set_tvu_quic((Ipv4Addr::LOCALHOST, 8002)).unwrap();
-        node.set_repair((Ipv4Addr::LOCALHOST, 8007)).unwrap();
         node.set_tpu((Ipv4Addr::LOCALHOST, 8003)).unwrap(); // quic: 8009
         node.set_tpu_forwards((Ipv4Addr::LOCALHOST, 8004)).unwrap(); // quic: 8010
         node.set_tpu_vote((Ipv4Addr::LOCALHOST, 8005)).unwrap();
@@ -389,7 +385,6 @@ impl ContactInfo {
         node.set_gossip((addr, port + 1)).unwrap();
         node.set_tvu((addr, port + 2)).unwrap();
         node.set_tvu_quic((addr, port + 3)).unwrap();
-        node.set_repair((addr, port + 4)).unwrap();
         node.set_tpu((addr, port)).unwrap(); // quic: port + 6
         node.set_tpu_forwards((addr, port + 5)).unwrap(); // quic: port + 11
         node.set_tpu_vote((addr, port + 7)).unwrap();
@@ -732,7 +727,6 @@ mod tests {
                 }
             }
             assert_eq!(node.gossip().ok().as_ref(), sockets.get(&SOCKET_TAG_GOSSIP));
-            assert_eq!(node.repair().ok().as_ref(), sockets.get(&SOCKET_TAG_REPAIR));
             assert_eq!(node.rpc().ok().as_ref(), sockets.get(&SOCKET_TAG_RPC));
             assert_eq!(
                 node.rpc_pubsub().ok().as_ref(),
@@ -817,7 +811,6 @@ mod tests {
     fn cross_verify_with_legacy(node: &ContactInfo) {
         let old = LegacyContactInfo::try_from(node).unwrap();
         assert_eq!(old.gossip().unwrap(), node.gossip().unwrap());
-        assert_eq!(old.repair().unwrap(), node.repair().unwrap());
         assert_eq!(old.rpc().unwrap(), node.rpc().unwrap());
         assert_eq!(old.rpc_pubsub().unwrap(), node.rpc_pubsub().unwrap());
         assert_eq!(old.serve_repair().unwrap(), node.serve_repair().unwrap());

gossip/src/legacy_contact_info.rs

@@ -27,8 +27,7 @@ pub struct LegacyContactInfo {
     tvu: SocketAddr,
     /// TVU over QUIC protocol.
     tvu_quic: SocketAddr,
-    /// address to send repair responses to
-    repair: SocketAddr,
+    unused: SocketAddr,
     /// transactions address
     tpu: SocketAddr,
     /// address to forward unprocessed transactions to
@@ -124,7 +123,7 @@ impl Default for LegacyContactInfo {
             gossip: socketaddr_any!(),
             tvu: socketaddr_any!(),
             tvu_quic: socketaddr_any!(),
-            repair: socketaddr_any!(),
+            unused: socketaddr_any!(),
             tpu: socketaddr_any!(),
             tpu_forwards: socketaddr_any!(),
             tpu_vote: socketaddr_any!(),
@@ -144,7 +143,7 @@ impl LegacyContactInfo {
             gossip: socketaddr!(Ipv4Addr::LOCALHOST, 1234),
             tvu: socketaddr!(Ipv4Addr::LOCALHOST, 1235),
             tvu_quic: socketaddr!(Ipv4Addr::LOCALHOST, 1236),
-            repair: socketaddr!(Ipv4Addr::LOCALHOST, 1237),
+            unused: socketaddr!(Ipv4Addr::LOCALHOST, 1237),
             tpu: socketaddr!(Ipv4Addr::LOCALHOST, 1238),
             tpu_forwards: socketaddr!(Ipv4Addr::LOCALHOST, 1239),
             tpu_vote: socketaddr!(Ipv4Addr::LOCALHOST, 1240),
@@ -206,7 +205,6 @@ impl LegacyContactInfo {
 
     get_socket!(gossip);
     get_socket!(tvu, tvu_quic);
-    get_socket!(repair);
     get_socket!(@quic tpu);
     get_socket!(@quic tpu_forwards);
     get_socket!(tpu_vote);
@@ -274,7 +272,7 @@ impl TryFrom<&ContactInfo> for LegacyContactInfo {
             gossip: unwrap_socket!(gossip),
             tvu: unwrap_socket!(tvu, Protocol::UDP),
             tvu_quic: unwrap_socket!(tvu, Protocol::QUIC),
-            repair: unwrap_socket!(repair),
+            unused: SOCKET_ADDR_UNSPECIFIED,
             tpu: unwrap_socket!(tpu, Protocol::UDP),
             tpu_forwards: unwrap_socket!(tpu_forwards, Protocol::UDP),
             tpu_vote: unwrap_socket!(tpu_vote),

validator/src/admin_rpc_service.rs

@@ -72,7 +72,7 @@ pub struct AdminRpcContactInfo {
     pub gossip: SocketAddr,
     pub tvu: SocketAddr,
     pub tvu_quic: SocketAddr,
-    pub repair: SocketAddr,
+    pub unused: SocketAddr,
     pub tpu: SocketAddr,
     pub tpu_forwards: SocketAddr,
     pub tpu_vote: SocketAddr,
@@ -104,7 +104,7 @@ impl From<ContactInfo> for AdminRpcContactInfo {
             gossip: unwrap_socket!(gossip),
             tvu: unwrap_socket!(tvu, Protocol::UDP),
             tvu_quic: unwrap_socket!(tvu, Protocol::QUIC),
-            repair: unwrap_socket!(repair),
+            unused: SOCKET_ADDR_UNSPECIFIED,
             tpu: unwrap_socket!(tpu, Protocol::UDP),
             tpu_forwards: unwrap_socket!(tpu_forwards, Protocol::UDP),
             tpu_vote: unwrap_socket!(tpu_vote),
@@ -122,7 +122,6 @@ impl Display for AdminRpcContactInfo {
         writeln!(f, "Gossip: {}", self.gossip)?;
         writeln!(f, "TVU: {}", self.tvu)?;
         writeln!(f, "TVU QUIC: {}", self.tvu_quic)?;
-        writeln!(f, "Repair: {}", self.repair)?;
         writeln!(f, "TPU: {}", self.tpu)?;
         writeln!(f, "TPU Forwards: {}", self.tpu_forwards)?;
         writeln!(f, "TPU Votes: {}", self.tpu_vote)?;