Remove `ThinClient` from `dos/` (#117)

* remove `ThinClient` from `dos/` and replace `ThinClient` with `TpuClient`

* remove test for valid_client_facing_addr since it is no longer used

Cargo.lock

@@ -5896,11 +5896,11 @@ dependencies = [
  "solana-measure",
  "solana-net-utils",
  "solana-perf",
+ "solana-quic-client",
  "solana-rpc",
  "solana-rpc-client",
  "solana-sdk",
  "solana-streamer",
- "solana-thin-client",
  "solana-tpu-client",
  "solana-version",
 ]
@@ -6105,6 +6105,7 @@ dependencies = [
  "solana-bloom",
  "solana-clap-utils",
  "solana-client",
+ "solana-connection-cache",
  "solana-entry",
  "solana-frozen-abi",
  "solana-frozen-abi-macro",
@@ -6118,7 +6119,6 @@ dependencies = [
  "solana-runtime",
  "solana-sdk",
  "solana-streamer",
- "solana-thin-client",
  "solana-tpu-client",
  "solana-version",
  "solana-vote",

client/src/tpu_client.rs

@@ -13,6 +13,7 @@ use {
         transport::Result as TransportResult,
     },
     solana_tpu_client::tpu_client::{Result, TpuClient as BackendTpuClient},
+    solana_udp_client::{UdpConfig, UdpConnectionManager, UdpPool},
     std::sync::Arc,
 };
 pub use {
@@ -20,6 +21,11 @@ pub use {
     solana_tpu_client::tpu_client::{TpuClientConfig, DEFAULT_FANOUT_SLOTS, MAX_FANOUT_SLOTS},
 };
 
+pub enum TpuClientWrapper {
+    Quic(TpuClient<QuicPool, QuicConnectionManager, QuicConfig>),
+    Udp(TpuClient<UdpPool, UdpConnectionManager, UdpConfig>),
+}
+
 /// Client which sends transactions directly to the current leader's TPU port over UDP.
 /// The client uses RPC to determine the current leader and fetch node contact info
 /// This is just a thin wrapper over the "BackendTpuClient", use that directly for more efficiency.

dos/Cargo.toml

@@ -26,6 +26,7 @@ solana-logger = { workspace = true }
 solana-measure = { workspace = true }
 solana-net-utils = { workspace = true }
 solana-perf = { workspace = true }
+solana-quic-client = { workspace = true }
 solana-rpc = { workspace = true }
 solana-rpc-client = { workspace = true }
 solana-sdk = { workspace = true }
@@ -38,4 +39,3 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dev-dependencies]
 solana-local-cluster = { workspace = true }
-solana-thin-client = { workspace = true }

dos/src/main.rs

@@ -46,12 +46,15 @@ use {
     log::*,
     rand::{thread_rng, Rng},
     solana_bench_tps::{bench::generate_and_fund_keypairs, bench_tps_client::BenchTpsClient},
-    solana_client::{connection_cache::ConnectionCache, tpu_connection::TpuConnection},
+    solana_client::{
+        connection_cache::ConnectionCache, tpu_client::TpuClientWrapper,
+        tpu_connection::TpuConnection,
+    },
     solana_core::repair::serve_repair::{RepairProtocol, RepairRequestHeader, ServeRepair},
     solana_dos::cli::*,
     solana_gossip::{
         contact_info::Protocol,
-        gossip_service::{discover, get_multi_client},
+        gossip_service::{discover, get_client},
         legacy_contact_info::LegacyContactInfo as ContactInfo,
     },
     solana_measure::measure::Measure,
@@ -791,33 +794,30 @@ fn main() {
                 DEFAULT_TPU_CONNECTION_POOL_SIZE,
             ),
         };
-        let (client, num_clients) = get_multi_client(
-            &validators,
-            &SocketAddrSpace::Unspecified,
-            Arc::new(connection_cache),
-        );
-        if validators.len() < num_clients {
-            eprintln!(
-                "Error: Insufficient nodes discovered.  Expecting {} or more",
-                validators.len()
-            );
-            exit(1);
-        }
-        (gossip_nodes, Some(Arc::new(client)))
+        let client = get_client(&validators, Arc::new(connection_cache));
+        (gossip_nodes, Some(client))
     } else {
         (vec![], None)
     };
 
     info!("done found {} nodes", nodes.len());
-
-    run_dos(&nodes, 0, client, cmd_params);
+    if let Some(tpu_client) = client {
+        match tpu_client {
+            TpuClientWrapper::Quic(quic_client) => {
+                run_dos(&nodes, 0, Some(Arc::new(quic_client)), cmd_params);
+            }
+            TpuClientWrapper::Udp(udp_client) => {
+                run_dos(&nodes, 0, Some(Arc::new(udp_client)), cmd_params);
+            }
+        };
+    }
 }
 
 #[cfg(test)]
 pub mod test {
     use {
         super::*,
-        solana_client::thin_client::ThinClient,
+        solana_client::tpu_client::TpuClient,
         solana_core::validator::ValidatorConfig,
         solana_faucet::faucet::run_local_faucet,
         solana_gossip::contact_info::LegacyContactInfo,
@@ -826,8 +826,10 @@ pub mod test {
             local_cluster::{ClusterConfig, LocalCluster},
             validator_configs::make_identical_validator_configs,
         },
+        solana_quic_client::{QuicConfig, QuicConnectionManager, QuicPool},
         solana_rpc::rpc::JsonRpcConfig,
         solana_sdk::timing::timestamp,
+        solana_tpu_client::tpu_client::TpuClientConfig,
     };
 
     const TEST_SEND_BATCH_SIZE: usize = 1;
@@ -835,7 +837,32 @@ pub mod test {
     // thin wrapper for the run_dos function
     // to avoid specifying everywhere generic parameters
     fn run_dos_no_client(nodes: &[ContactInfo], iterations: usize, params: DosClientParameters) {
-        run_dos::<ThinClient>(nodes, iterations, None, params);
+        run_dos::<TpuClient<QuicPool, QuicConnectionManager, QuicConfig>>(
+            nodes, iterations, None, params,
+        );
+    }
+
+    fn build_tpu_quic_client(
+        cluster: &LocalCluster,
+    ) -> Arc<TpuClient<QuicPool, QuicConnectionManager, QuicConfig>> {
+        let rpc_pubsub_url = format!("ws://{}/", cluster.entry_point_info.rpc_pubsub().unwrap());
+        let rpc_url = format!("http://{}", cluster.entry_point_info.rpc().unwrap());
+
+        let ConnectionCache::Quic(cache) = &*cluster.connection_cache else {
+            panic!("Expected a Quic ConnectionCache.");
+        };
+
+        Arc::new(
+            TpuClient::new_with_connection_cache(
+                Arc::new(RpcClient::new(rpc_url)),
+                rpc_pubsub_url.as_str(),
+                TpuClientConfig::default(),
+                cache.clone(),
+            )
+            .unwrap_or_else(|err| {
+                panic!("Could not create TpuClient with Quic Cache {err:?}");
+            }),
+        )
     }
 
     #[test]
@@ -975,14 +1002,7 @@ pub mod test {
             .unwrap();
         let nodes_slice = [node];
 
-        let client = Arc::new(ThinClient::new(
-            cluster.entry_point_info.rpc().unwrap(),
-            cluster
-                .entry_point_info
-                .tpu(cluster.connection_cache.protocol())
-                .unwrap(),
-            cluster.connection_cache.clone(),
-        ));
+        let client = build_tpu_quic_client(&cluster);
 
         // creates one transaction with 8 valid signatures and sends it 10 times
         run_dos(
@@ -1114,14 +1134,7 @@ pub mod test {
             .unwrap();
         let nodes_slice = [node];
 
-        let client = Arc::new(ThinClient::new(
-            cluster.entry_point_info.rpc().unwrap(),
-            cluster
-                .entry_point_info
-                .tpu(cluster.connection_cache.protocol())
-                .unwrap(),
-            cluster.connection_cache.clone(),
-        ));
+        let client = build_tpu_quic_client(&cluster);
 
         // creates one transaction and sends it 10 times
         // this is done in single thread

gossip/Cargo.toml

@@ -31,6 +31,7 @@ serde_derive = { workspace = true }
 solana-bloom = { workspace = true }
 solana-clap-utils = { workspace = true }
 solana-client = { workspace = true }
+solana-connection-cache = { workspace = true }
 solana-entry = { workspace = true }
 solana-frozen-abi = { workspace = true }
 solana-frozen-abi-macro = { workspace = true }
@@ -44,7 +45,6 @@ solana-rayon-threadlimit = { workspace = true }
 solana-runtime = { workspace = true }
 solana-sdk = { workspace = true }
 solana-streamer = { workspace = true }
-solana-thin-client = { workspace = true }
 solana-tpu-client = { workspace = true }
 solana-version = { workspace = true }
 solana-vote = { workspace = true }

gossip/src/gossip_service.rs

@@ -4,7 +4,11 @@ use {
     crate::{cluster_info::ClusterInfo, legacy_contact_info::LegacyContactInfo as ContactInfo},
     crossbeam_channel::{unbounded, Sender},
     rand::{thread_rng, Rng},
-    solana_client::{connection_cache::ConnectionCache, thin_client::ThinClient},
+    solana_client::{
+        connection_cache::ConnectionCache,
+        rpc_client::RpcClient,
+        tpu_client::{TpuClient, TpuClientConfig, TpuClientWrapper},
+    },
     solana_perf::recycler::Recycler,
     solana_runtime::bank_forks::BankForks,
     solana_sdk::{
@@ -197,35 +201,37 @@ pub fn discover(
 #[deprecated(since = "1.18.6", note = "Interface will change")]
 pub fn get_client(
     nodes: &[ContactInfo],
-    socket_addr_space: &SocketAddrSpace,
     connection_cache: Arc<ConnectionCache>,
-) -> ThinClient {
-    let protocol = connection_cache.protocol();
-    let nodes: Vec<_> = nodes
-        .iter()
-        .filter_map(|node| node.valid_client_facing_addr(protocol, socket_addr_space))
-        .collect();
+) -> TpuClientWrapper {
     let select = thread_rng().gen_range(0..nodes.len());
-    let (rpc, tpu) = nodes[select];
-    ThinClient::new(rpc, tpu, connection_cache)
-}
 
-#[deprecated(since = "1.18.6", note = "Will be removed in favor of get_client")]
-pub fn get_multi_client(
-    nodes: &[ContactInfo],
-    socket_addr_space: &SocketAddrSpace,
-    connection_cache: Arc<ConnectionCache>,
-) -> (ThinClient, usize) {
-    let protocol = connection_cache.protocol();
-    let (rpc_addrs, tpu_addrs): (Vec<_>, Vec<_>) = nodes
-        .iter()
-        .filter_map(|node| node.valid_client_facing_addr(protocol, socket_addr_space))
-        .unzip();
-    let num_nodes = tpu_addrs.len();
-    (
-        ThinClient::new_from_addrs(rpc_addrs, tpu_addrs, connection_cache),
-        num_nodes,
-    )
+    let rpc_pubsub_url = format!("ws://{}/", nodes[select].rpc_pubsub().unwrap());
+    let rpc_url = format!("http://{}", nodes[select].rpc().unwrap());
+
+    match &*connection_cache {
+        ConnectionCache::Quic(cache) => TpuClientWrapper::Quic(
+            TpuClient::new_with_connection_cache(
+                Arc::new(RpcClient::new(rpc_url)),
+                rpc_pubsub_url.as_str(),
+                TpuClientConfig::default(),
+                cache.clone(),
+            )
+            .unwrap_or_else(|err| {
+                panic!("Could not create TpuClient with Quic Cache {err:?}");
+            }),
+        ),
+        ConnectionCache::Udp(cache) => TpuClientWrapper::Udp(
+            TpuClient::new_with_connection_cache(
+                Arc::new(RpcClient::new(rpc_url)),
+                rpc_pubsub_url.as_str(),
+                TpuClientConfig::default(),
+                cache.clone(),
+            )
+            .unwrap_or_else(|err| {
+                panic!("Could not create TpuClient with Udp Cache {err:?}");
+            }),
+        ),
+    }
 }
 
 fn spy(

gossip/src/legacy_contact_info.rs

@@ -229,21 +229,6 @@ impl LegacyContactInfo {
     pub fn is_valid_address(addr: &SocketAddr, socket_addr_space: &SocketAddrSpace) -> bool {
         addr.port() != 0u16 && Self::is_valid_ip(addr.ip()) && socket_addr_space.check(addr)
     }
-
-    pub(crate) fn valid_client_facing_addr(
-        &self,
-        protocol: Protocol,
-        socket_addr_space: &SocketAddrSpace,
-    ) -> Option<(SocketAddr, SocketAddr)> {
-        Some((
-            self.rpc()
-                .ok()
-                .filter(|addr| socket_addr_space.check(addr))?,
-            self.tpu(protocol)
-                .ok()
-                .filter(|addr| socket_addr_space.check(addr))?,
-        ))
-    }
 }
 
 impl TryFrom<&ContactInfo> for LegacyContactInfo {
@@ -342,24 +327,6 @@ mod tests {
         assert!(ci.serve_repair.ip().is_unspecified());
     }
 
-    #[test]
-    fn test_valid_client_facing() {
-        let mut ci = LegacyContactInfo::default();
-        assert_eq!(
-            ci.valid_client_facing_addr(Protocol::QUIC, &SocketAddrSpace::Unspecified),
-            None
-        );
-        ci.tpu = socketaddr!(Ipv4Addr::LOCALHOST, 123);
-        assert_eq!(
-            ci.valid_client_facing_addr(Protocol::QUIC, &SocketAddrSpace::Unspecified),
-            None
-        );
-        ci.rpc = socketaddr!(Ipv4Addr::LOCALHOST, 234);
-        assert!(ci
-            .valid_client_facing_addr(Protocol::QUIC, &SocketAddrSpace::Unspecified)
-            .is_some());
-    }
-
     #[test]
     fn test_sanitize() {
         let mut ci = LegacyContactInfo::default();

programs/sbf/Cargo.lock

@@ -5105,6 +5105,7 @@ dependencies = [
  "solana-bloom",
  "solana-clap-utils",
  "solana-client",
+ "solana-connection-cache",
  "solana-entry",
  "solana-frozen-abi",
  "solana-frozen-abi-macro",
@@ -5118,7 +5119,6 @@ dependencies = [
  "solana-runtime",
  "solana-sdk",
  "solana-streamer",
- "solana-thin-client",
  "solana-tpu-client",
  "solana-version",
  "solana-vote",