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adds QUIC endpoint for repair service (#33057) 

Working towards using QUIC protocol for repair, the commit adds a QUIC
endpoint for repair service.

Outgoing local requests are sent as

    struct LocalRequest {
        remote_address: SocketAddr,
        bytes: Vec<u8>,
        num_expected_responses: usize,
        response_sender: Sender<(SocketAddr, Vec<u8>)>,
    }

to the client-side of the endpoint. The client opens a bidirectional
stream with the LocalRequest.remote_address and once received the
response, sends it down the LocalRequest.response_sender channel.

Incoming requests from remote nodes are received from bidirectional
streams and sent as

    struct RemoteRequest {
        remote_pubkey: Option<Pubkey>,
        remote_address: SocketAddr,
        bytes: Vec<u8>,
        response_sender: Option<OneShotSender<Vec<Vec<u8>>>>,
    }

to the repair-service. The response is received from the receiver end of
RemoteRequest.response_sender channel and send back to the remote node
using the send side of the bidirectional stream.
This commit is contained in:
behzad nouri 2023-09-07 18:00:25 +00:00 committed by GitHub
parent e331275178
commit 9ff0b35f29
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 667 additions and 0 deletions
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4
Cargo.lock generated
View File

@ -5733,6 +5733,7 @@ dependencies = [
"eager",
"etcd-client",
"fs_extra",
"futures 0.3.28",
"histogram",
"itertools",
"lazy_static",
@ -5745,9 +5746,12 @@ dependencies = [
"rand_chacha 0.3.1",
"raptorq",
"rayon",
"rcgen",
"rolling-file",
"rustc_version 0.4.0",
"rustls",
"serde",
"serde_bytes",
"serde_derive",
"serde_json",
"serial_test",

4
core/Cargo.toml
View File

@ -23,6 +23,7 @@ crossbeam-channel = { workspace = true }
dashmap = { workspace = true, features = ["rayon", "raw-api"] }
eager = { workspace = true }
etcd-client = { workspace = true, features = ["tls"] }
futures = { workspace = true }
histogram = { workspace = true }
itertools = { workspace = true }
lazy_static = { workspace = true }
@ -34,8 +35,11 @@ quinn = { workspace = true }
rand = { workspace = true }
rand_chacha = { workspace = true }
rayon = { workspace = true }
rcgen = { workspace = true }
rolling-file = { workspace = true }
rustls = { workspace = true }
serde = { workspace = true }
serde_bytes = { workspace = true }
serde_derive = { workspace = true }
solana-accounts-db = { workspace = true }
solana-address-lookup-table-program = { workspace = true }

1
core/src/repair/mod.rs
View File

@ -3,6 +3,7 @@ pub mod cluster_slot_state_verifier;
pub mod duplicate_repair_status;
pub mod outstanding_requests;
pub mod packet_threshold;
pub(crate) mod quic_endpoint;
pub mod repair_generic_traversal;
pub mod repair_response;
pub mod repair_service;

654
core/src/repair/quic_endpoint.rs Normal file
View File

@ -0,0 +1,654 @@
#![allow(dead_code)]
use {
bincode::Options,
crossbeam_channel::Sender,
futures::future::TryJoin,
itertools::Itertools,
log::error,
quinn::{
ClientConfig, ConnectError, Connecting, Connection, ConnectionError, Endpoint,
EndpointConfig, ReadToEndError, RecvStream, SendStream, ServerConfig, TokioRuntime,
TransportConfig, VarInt, WriteError,
},
rcgen::RcgenError,
rustls::{Certificate, PrivateKey},
serde_bytes::ByteBuf,
solana_quic_client::nonblocking::quic_client::SkipServerVerification,
solana_sdk::{packet::PACKET_DATA_SIZE, pubkey::Pubkey, signature::Keypair},
solana_streamer::{
quic::SkipClientVerification, tls_certificates::new_self_signed_tls_certificate,
},
std::{
collections::{hash_map::Entry, HashMap},
io::{Cursor, Error as IoError},
net::{IpAddr, SocketAddr, UdpSocket},
ops::Deref,
sync::Arc,
time::Duration,
},
thiserror::Error,
tokio::{
sync::{
mpsc::{Receiver as AsyncReceiver, Sender as AsyncSender},
oneshot::Sender as OneShotSender,
RwLock,
},
task::JoinHandle,
},
};
const ALPN_REPAIR_PROTOCOL_ID: &[u8] = b"solana-repair";
const CONNECT_SERVER_NAME: &str = "solana-repair";
const CLIENT_CHANNEL_CAPACITY: usize = 1 << 14;
const MAX_CONCURRENT_BIDI_STREAMS: VarInt = VarInt::from_u32(512);
const CONNECTION_CLOSE_ERROR_CODE_SHUTDOWN: VarInt = VarInt::from_u32(1);
const CONNECTION_CLOSE_ERROR_CODE_DROPPED: VarInt = VarInt::from_u32(2);
const CONNECTION_CLOSE_ERROR_CODE_INVALID_IDENTITY: VarInt = VarInt::from_u32(3);
const CONNECTION_CLOSE_ERROR_CODE_REPLACED: VarInt = VarInt::from_u32(4);
const CONNECTION_CLOSE_REASON_SHUTDOWN: &[u8] = b"SHUTDOWN";
const CONNECTION_CLOSE_REASON_DROPPED: &[u8] = b"DROPPED";
const CONNECTION_CLOSE_REASON_INVALID_IDENTITY: &[u8] = b"INVALID_IDENTITY";
const CONNECTION_CLOSE_REASON_REPLACED: &[u8] = b"REPLACED";
pub(crate) type AsyncTryJoinHandle = TryJoin<JoinHandle<()>, JoinHandle<()>>;
type ConnectionCache = HashMap<(SocketAddr, Option<Pubkey>), Arc<RwLock<Option<Connection>>>>;
// Outgoing local requests.
pub struct LocalRequest {
pub(crate) remote_address: SocketAddr,
pub(crate) bytes: Vec<u8>,
pub(crate) num_expected_responses: usize,
pub(crate) response_sender: Sender<(SocketAddr, Vec<u8>)>,
}
// Incomming requests from remote nodes.
// remote_pubkey and response_sender are None only when adapting UDP packets.
pub struct RemoteRequest {
pub(crate) remote_pubkey: Option<Pubkey>,
pub(crate) remote_address: SocketAddr,
pub(crate) bytes: Vec<u8>,
pub(crate) response_sender: Option<OneShotSender<Vec<Vec<u8>>>>,
}
#[derive(Error, Debug)]
#[allow(clippy::enum_variant_names)]
pub(crate) enum Error {
#[error(transparent)]
BincodeError(#[from] bincode::Error),
#[error(transparent)]
CertificateError(#[from] RcgenError),
#[error(transparent)]
ConnectError(#[from] ConnectError),
#[error(transparent)]
ConnectionError(#[from] ConnectionError),
#[error("Channel Send Error")]
ChannelSendError,
#[error("Invalid Identity: {0:?}")]
InvalidIdentity(SocketAddr),
#[error(transparent)]
IoError(#[from] IoError),
#[error("No Response Received")]
NoResponseReceived,
#[error(transparent)]
ReadToEndError(#[from] ReadToEndError),
#[error("read_to_end Timeout")]
ReadToEndTimeout,
#[error(transparent)]
WriteError(#[from] WriteError),
#[error(transparent)]
TlsError(#[from] rustls::Error),
}
#[allow(clippy::type_complexity)]
pub(crate) fn new_quic_endpoint(
runtime: &tokio::runtime::Handle,
keypair: &Keypair,
socket: UdpSocket,
address: IpAddr,
remote_request_sender: Sender<RemoteRequest>,
) -> Result<(Endpoint, AsyncSender<LocalRequest>, AsyncTryJoinHandle), Error> {
let (cert, key) = new_self_signed_tls_certificate(keypair, address)?;
let server_config = new_server_config(cert.clone(), key.clone())?;
let client_config = new_client_config(cert, key)?;
let mut endpoint = {
// Endpoint::new requires entering the runtime context,
// otherwise the code below will panic.
let _guard = runtime.enter();
Endpoint::new(
EndpointConfig::default(),
Some(server_config),
socket,
Arc::new(TokioRuntime),
)?
};
endpoint.set_default_client_config(client_config);
let cache = Arc::<RwLock<ConnectionCache>>::default();
let (client_sender, client_receiver) = tokio::sync::mpsc::channel(CLIENT_CHANNEL_CAPACITY);
let server_task = runtime.spawn(run_server(
endpoint.clone(),
remote_request_sender.clone(),
cache.clone(),
));
let client_task = runtime.spawn(run_client(
endpoint.clone(),
client_receiver,
remote_request_sender,
cache,
));
let task = futures::future::try_join(server_task, client_task);
Ok((endpoint, client_sender, task))
}
pub(crate) fn close_quic_endpoint(endpoint: &Endpoint) {
endpoint.close(
CONNECTION_CLOSE_ERROR_CODE_SHUTDOWN,
CONNECTION_CLOSE_REASON_SHUTDOWN,
);
}
fn new_server_config(cert: Certificate, key: PrivateKey) -> Result<ServerConfig, rustls::Error> {
let mut config = rustls::ServerConfig::builder()
.with_safe_defaults()
.with_client_cert_verifier(Arc::new(SkipClientVerification {}))
.with_single_cert(vec![cert], key)?;
config.alpn_protocols = vec![ALPN_REPAIR_PROTOCOL_ID.to_vec()];
let mut config = ServerConfig::with_crypto(Arc::new(config));
config
.transport_config(Arc::new(new_transport_config()))
.use_retry(true)
.migration(false);
Ok(config)
}
fn new_client_config(cert: Certificate, key: PrivateKey) -> Result<ClientConfig, rustls::Error> {
let mut config = rustls::ClientConfig::builder()
.with_safe_defaults()
.with_custom_certificate_verifier(Arc::new(SkipServerVerification {}))
.with_client_auth_cert(vec![cert], key)?;
config.enable_early_data = true;
config.alpn_protocols = vec![ALPN_REPAIR_PROTOCOL_ID.to_vec()];
let mut config = ClientConfig::new(Arc::new(config));
config.transport_config(Arc::new(new_transport_config()));
Ok(config)
}
fn new_transport_config() -> TransportConfig {
let mut config = TransportConfig::default();
config
.max_concurrent_bidi_streams(MAX_CONCURRENT_BIDI_STREAMS)
.max_concurrent_uni_streams(VarInt::from(0u8))
.datagram_receive_buffer_size(None);
config
}
async fn run_server(
endpoint: Endpoint,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) {
while let Some(connecting) = endpoint.accept().await {
tokio::task::spawn(handle_connecting_error(
endpoint.clone(),
connecting,
remote_request_sender.clone(),
cache.clone(),
));
}
}
async fn run_client(
endpoint: Endpoint,
mut receiver: AsyncReceiver<LocalRequest>,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) {
while let Some(request) = receiver.recv().await {
tokio::task::spawn(send_request_task(
endpoint.clone(),
request,
remote_request_sender.clone(),
cache.clone(),
));
}
close_quic_endpoint(&endpoint);
}
async fn handle_connecting_error(
endpoint: Endpoint,
connecting: Connecting,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) {
if let Err(err) = handle_connecting(endpoint, connecting, remote_request_sender, cache).await {
error!("handle_connecting: {err:?}");
}
}
async fn handle_connecting(
endpoint: Endpoint,
connecting: Connecting,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) -> Result<(), Error> {
let connection = connecting.await?;
let remote_address = connection.remote_address();
let remote_pubkey = get_remote_pubkey(&connection)?;
handle_connection_error(
endpoint,
remote_address,
remote_pubkey,
connection,
remote_request_sender,
cache,
)
.await;
Ok(())
}
async fn handle_connection_error(
endpoint: Endpoint,
remote_address: SocketAddr,
remote_pubkey: Pubkey,
connection: Connection,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) {
cache_connection(remote_address, remote_pubkey, connection.clone(), &cache).await;
if let Err(err) = handle_connection(
&endpoint,
remote_address,
remote_pubkey,
&connection,
&remote_request_sender,
)
.await
{
drop_connection(remote_address, remote_pubkey, &connection, &cache).await;
error!("handle_connection: {remote_pubkey}, {remote_address}, {err:?}");
}
}
async fn handle_connection(
endpoint: &Endpoint,
remote_address: SocketAddr,
remote_pubkey: Pubkey,
connection: &Connection,
remote_request_sender: &Sender<RemoteRequest>,
) -> Result<(), Error> {
loop {
let (send_stream, recv_stream) = connection.accept_bi().await?;
tokio::task::spawn(handle_streams_task(
endpoint.clone(),
remote_address,
remote_pubkey,
send_stream,
recv_stream,
remote_request_sender.clone(),
));
}
}
async fn handle_streams_task(
endpoint: Endpoint,
remote_address: SocketAddr,
remote_pubkey: Pubkey,
send_stream: SendStream,
recv_stream: RecvStream,
remote_request_sender: Sender<RemoteRequest>,
) {
if let Err(err) = handle_streams(
&endpoint,
remote_address,
remote_pubkey,
send_stream,
recv_stream,
&remote_request_sender,
)
.await
{
error!("handle_stream: {remote_address}, {remote_pubkey}, {err:?}");
}
}
async fn handle_streams(
endpoint: &Endpoint,
remote_address: SocketAddr,
remote_pubkey: Pubkey,
mut send_stream: SendStream,
mut recv_stream: RecvStream,
remote_request_sender: &Sender<RemoteRequest>,
) -> Result<(), Error> {
// Assert that send won't block.
debug_assert_eq!(remote_request_sender.capacity(), None);
const READ_TIMEOUT_DURATION: Duration = Duration::from_secs(2);
let bytes = tokio::time::timeout(
READ_TIMEOUT_DURATION,
recv_stream.read_to_end(PACKET_DATA_SIZE),
)
.await
.map_err(|_| Error::ReadToEndTimeout)??;
let (response_sender, response_receiver) = tokio::sync::oneshot::channel();
let remote_request = RemoteRequest {
remote_pubkey: Some(remote_pubkey),
remote_address,
bytes,
response_sender: Some(response_sender),
};
if let Err(err) = remote_request_sender.send(remote_request) {
close_quic_endpoint(endpoint);
return Err(Error::from(err));
}
let Ok(response) = response_receiver.await else {
return Err(Error::NoResponseReceived);
};
for chunk in response {
let size = chunk.len() as u64;
send_stream.write_all(&size.to_le_bytes()).await?;
send_stream.write_all(&chunk).await?;
}
send_stream.finish().await.map_err(Error::from)
}
async fn send_request_task(
endpoint: Endpoint,
request: LocalRequest,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) {
if let Err(err) = send_request(&endpoint, request, remote_request_sender, cache).await {
error!("send_request_task: {err:?}");
}
}
async fn send_request(
endpoint: &Endpoint,
LocalRequest {
remote_address,
bytes,
num_expected_responses,
response_sender,
}: LocalRequest,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) -> Result<(), Error> {
// Assert that send won't block.
debug_assert_eq!(response_sender.capacity(), None);
const READ_TIMEOUT_DURATION: Duration = Duration::from_secs(10);
let connection = get_connection(endpoint, remote_address, remote_request_sender, cache).await?;
let (mut send_stream, mut recv_stream) = connection.open_bi().await?;
send_stream.write_all(&bytes).await?;
send_stream.finish().await?;
// Each response is at most PACKET_DATA_SIZE bytes and requires
// an additional 8 bytes to encode its length.
let size = PACKET_DATA_SIZE
.saturating_add(8)
.saturating_mul(num_expected_responses);
let response = tokio::time::timeout(READ_TIMEOUT_DURATION, recv_stream.read_to_end(size))
.await
.map_err(|_| Error::ReadToEndTimeout)??;
let remote_address = connection.remote_address();
let mut cursor = Cursor::new(&response[..]);
std::iter::repeat_with(|| {
bincode::options()
.with_limit(response.len() as u64)
.with_fixint_encoding()
.allow_trailing_bytes()
.deserialize_from::<_, ByteBuf>(&mut cursor)
.map(ByteBuf::into_vec)
.ok()
})
.while_some()
.try_for_each(|chunk| {
response_sender
.send((remote_address, chunk))
.map_err(|err| {
close_quic_endpoint(endpoint);
Error::from(err)
})
})
}
async fn get_connection(
endpoint: &Endpoint,
remote_address: SocketAddr,
remote_request_sender: Sender<RemoteRequest>,
cache: Arc<RwLock<ConnectionCache>>,
) -> Result<Connection, Error> {
let entry = get_cache_entry(remote_address, &cache).await;
{
let connection: Option<Connection> = entry.read().await.clone();
if let Some(connection) = connection {
if connection.close_reason().is_none() {
return Ok(connection);
}
}
}
let connection = {
// Need to write lock here so that only one task initiates
// a new connection to the same remote_address.
let mut entry = entry.write().await;
if let Some(connection) = entry.deref() {
if connection.close_reason().is_none() {
return Ok(connection.clone());
}
}
let connection = endpoint
.connect(remote_address, CONNECT_SERVER_NAME)?
.await?;
entry.insert(connection).clone()
};
tokio::task::spawn(handle_connection_error(
endpoint.clone(),
connection.remote_address(),
get_remote_pubkey(&connection)?,
connection.clone(),
remote_request_sender,
cache,
));
Ok(connection)
}
fn get_remote_pubkey(connection: &Connection) -> Result<Pubkey, Error> {
match solana_streamer::nonblocking::quic::get_remote_pubkey(connection) {
Some(remote_pubkey) => Ok(remote_pubkey),
None => {
connection.close(
CONNECTION_CLOSE_ERROR_CODE_INVALID_IDENTITY,
CONNECTION_CLOSE_REASON_INVALID_IDENTITY,
);
Err(Error::InvalidIdentity(connection.remote_address()))
}
}
}
async fn get_cache_entry(
remote_address: SocketAddr,
cache: &RwLock<ConnectionCache>,
) -> Arc<RwLock<Option<Connection>>> {
let key = (remote_address, /*remote_pubkey:*/ None);
if let Some(entry) = cache.read().await.get(&key) {
return entry.clone();
}
cache.write().await.entry(key).or_default().clone()
}
async fn cache_connection(
remote_address: SocketAddr,
remote_pubkey: Pubkey,
connection: Connection,
cache: &RwLock<ConnectionCache>,
) {
// The 2nd cache entry with remote_pubkey == None allows to lookup an entry
// only by SocketAddr when establishing outgoing connections.
let entries: [Arc<RwLock<Option<Connection>>>; 2] = {
let mut cache = cache.write().await;
[Some(remote_pubkey), None].map(|remote_pubkey| {
let key = (remote_address, remote_pubkey);
cache.entry(key).or_default().clone()
})
};
let mut entry = entries[0].write().await;
*entries[1].write().await = Some(connection.clone());
if let Some(old) = entry.replace(connection) {
drop(entry);
old.close(
CONNECTION_CLOSE_ERROR_CODE_REPLACED,
CONNECTION_CLOSE_REASON_REPLACED,
);
}
}
async fn drop_connection(
remote_address: SocketAddr,
remote_pubkey: Pubkey,
connection: &Connection,
cache: &RwLock<ConnectionCache>,
) {
if connection.close_reason().is_none() {
connection.close(
CONNECTION_CLOSE_ERROR_CODE_DROPPED,
CONNECTION_CLOSE_REASON_DROPPED,
);
}
let key = (remote_address, Some(remote_pubkey));
if let Entry::Occupied(entry) = cache.write().await.entry(key) {
if matches!(entry.get().read().await.deref(),
Some(entry) if entry.stable_id() == connection.stable_id())
{
entry.remove();
}
}
// Cache entry for (remote_address, None) will be lazily evicted.
}
impl<T> From<crossbeam_channel::SendError<T>> for Error {
fn from(_: crossbeam_channel::SendError<T>) -> Self {
Error::ChannelSendError
}
}
#[cfg(test)]
mod tests {
use {
super::*,
itertools::{izip, multiunzip},
solana_sdk::signature::Signer,
std::{iter::repeat_with, net::Ipv4Addr, time::Duration},
};
#[test]
fn test_quic_endpoint() {
const NUM_ENDPOINTS: usize = 3;
const RECV_TIMEOUT: Duration = Duration::from_secs(30);
let runtime = tokio::runtime::Builder::new_multi_thread()
.worker_threads(8)
.enable_all()
.build()
.unwrap();
let keypairs: Vec<Keypair> = repeat_with(Keypair::new).take(NUM_ENDPOINTS).collect();
let sockets: Vec<UdpSocket> = repeat_with(|| UdpSocket::bind((Ipv4Addr::LOCALHOST, 0)))
.take(NUM_ENDPOINTS)
.collect::<Result<_, _>>()
.unwrap();
let addresses: Vec<SocketAddr> = sockets
.iter()
.map(UdpSocket::local_addr)
.collect::<Result<_, _>>()
.unwrap();
let (remote_request_senders, remote_request_receivers): (Vec<_>, Vec<_>) =
repeat_with(crossbeam_channel::unbounded::<RemoteRequest>)
.take(NUM_ENDPOINTS)
.unzip();
let (endpoints, senders, tasks): (Vec<_>, Vec<_>, Vec<_>) = multiunzip(
keypairs
.iter()
.zip(sockets)
.zip(remote_request_senders)
.map(|((keypair, socket), remote_request_sender)| {
new_quic_endpoint(
runtime.handle(),
keypair,
socket,
IpAddr::V4(Ipv4Addr::LOCALHOST),
remote_request_sender,
)
.unwrap()
}),
);
let (response_senders, response_receivers): (Vec<_>, Vec<_>) =
repeat_with(crossbeam_channel::unbounded::<(SocketAddr, Vec<u8>)>)
.take(NUM_ENDPOINTS)
.unzip();
// Send a unique request from each endpoint to every other endpoint.
for (i, (keypair, &address, sender)) in izip!(&keypairs, &addresses, &senders).enumerate() {
for (j, (&remote_address, response_sender)) in
addresses.iter().zip(&response_senders).enumerate()
{
if i != j {
let mut bytes: Vec<u8> = format!("{i}=>{j}").into_bytes();
bytes.resize(PACKET_DATA_SIZE, 0xa5);
let request = LocalRequest {
remote_address,
bytes,
num_expected_responses: j + 1,
response_sender: response_sender.clone(),
};
sender.blocking_send(request).unwrap();
}
}
// Verify all requests are received and respond to each.
for (j, remote_request_receiver) in remote_request_receivers.iter().enumerate() {
if i != j {
let RemoteRequest {
remote_pubkey,
remote_address,
bytes,
response_sender,
} = remote_request_receiver.recv_timeout(RECV_TIMEOUT).unwrap();
assert_eq!(remote_pubkey, Some(keypair.pubkey()));
assert_eq!(remote_address, address);
assert_eq!(bytes, {
let mut bytes = format!("{i}=>{j}").into_bytes();
bytes.resize(PACKET_DATA_SIZE, 0xa5);
bytes
});
let response: Vec<Vec<u8>> = (0..=j)
.map(|k| {
let mut bytes = format!("{j}=>{i}({k})").into_bytes();
bytes.resize(PACKET_DATA_SIZE, 0xd5);
bytes
})
.collect();
response_sender.unwrap().send(response).unwrap();
}
}
// Verify responses.
for (j, (&remote_address, response_receiver)) in
addresses.iter().zip(&response_receivers).enumerate()
{
if i != j {
for k in 0..=j {
let (address, response) =
response_receiver.recv_timeout(RECV_TIMEOUT).unwrap();
assert_eq!(address, remote_address);
assert_eq!(response, {
let mut bytes = format!("{j}=>{i}({k})").into_bytes();
bytes.resize(PACKET_DATA_SIZE, 0xd5);
bytes
});
}
}
}
}
drop(senders);
for endpoint in endpoints {
close_quic_endpoint(&endpoint);
}
for task in tasks {
runtime.block_on(task).unwrap();
}
}
}

4
programs/sbf/Cargo.lock generated
View File

@ -4793,6 +4793,7 @@ dependencies = [
"dashmap",
"eager",
"etcd-client",
"futures 0.3.28",
"histogram",
"itertools",
"lazy_static",
@ -4804,9 +4805,12 @@ dependencies = [
"rand 0.8.5",
"rand_chacha 0.3.1",
"rayon",
"rcgen",
"rolling-file",
"rustc_version",
"rustls",
"serde",
"serde_bytes",
"serde_derive",
"solana-accounts-db",
"solana-address-lookup-table-program",