923 lines
33 KiB
Rust
923 lines
33 KiB
Rust
use crate::result::ArchiverError;
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use crossbeam_channel::unbounded;
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use rand::{thread_rng, Rng, SeedableRng};
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use rand_chacha::ChaChaRng;
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use solana_archiver_utils::sample_file;
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use solana_chacha::chacha::{chacha_cbc_encrypt_ledger, CHACHA_BLOCK_SIZE};
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use solana_client::{
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rpc_client::RpcClient, rpc_request::RpcRequest, rpc_response::RpcStorageTurn,
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thin_client::ThinClient,
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};
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use solana_core::{
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cluster_info::{ClusterInfo, Node, VALIDATOR_PORT_RANGE},
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cluster_slots::ClusterSlots,
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contact_info::ContactInfo,
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gossip_service::GossipService,
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repair_service,
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repair_service::{RepairService, RepairSlotRange, RepairStats, RepairStrategy},
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serve_repair::ServeRepair,
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shred_fetch_stage::ShredFetchStage,
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sigverify_stage::{DisabledSigVerifier, SigVerifyStage},
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storage_stage::NUM_STORAGE_SAMPLES,
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window_service::WindowService,
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};
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use solana_ledger::{
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blockstore::Blockstore, leader_schedule_cache::LeaderScheduleCache, shred::Shred,
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};
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use solana_net_utils::bind_in_range;
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use solana_perf::packet::Packets;
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use solana_perf::packet::{limited_deserialize, PACKET_DATA_SIZE};
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use solana_perf::recycler::Recycler;
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use solana_sdk::packet::Packet;
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use solana_sdk::{
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account_utils::StateMut,
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client::{AsyncClient, SyncClient},
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clock::{get_complete_segment_from_slot, get_segment_from_slot, Slot},
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commitment_config::CommitmentConfig,
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hash::Hash,
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message::Message,
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signature::{Keypair, Signature, Signer},
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timing::timestamp,
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transaction::Transaction,
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transport::TransportError,
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};
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use solana_storage_program::{
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storage_contract::StorageContract,
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storage_instruction::{self, StorageAccountType},
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};
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use solana_streamer::streamer::{receiver, responder, PacketReceiver};
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use std::{
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io::{self, ErrorKind},
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net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket},
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path::{Path, PathBuf},
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result,
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sync::atomic::{AtomicBool, Ordering},
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sync::mpsc::{channel, Receiver, Sender},
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sync::Arc,
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thread::{sleep, spawn, JoinHandle},
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time::Duration,
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};
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type Result<T> = std::result::Result<T, ArchiverError>;
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static ENCRYPTED_FILENAME: &str = "ledger.enc";
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#[derive(Serialize, Deserialize)]
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pub enum ArchiverRequest {
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GetSlotHeight(SocketAddr),
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}
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pub struct Archiver {
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thread_handles: Vec<JoinHandle<()>>,
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exit: Arc<AtomicBool>,
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}
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// Shared Archiver Meta struct used internally
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#[derive(Default)]
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struct ArchiverMeta {
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slot: Slot,
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slots_per_segment: u64,
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ledger_path: PathBuf,
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signature: Signature,
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ledger_data_file_encrypted: PathBuf,
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sampling_offsets: Vec<u64>,
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blockhash: Hash,
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sha_state: Hash,
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num_chacha_blocks: usize,
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client_commitment: CommitmentConfig,
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}
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fn get_slot_from_signature(
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signature: &Signature,
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storage_turn: u64,
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slots_per_segment: u64,
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) -> u64 {
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let signature_vec = signature.as_ref();
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let mut segment_index = u64::from(signature_vec[0])
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| (u64::from(signature_vec[1]) << 8)
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| (u64::from(signature_vec[1]) << 16)
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| (u64::from(signature_vec[2]) << 24);
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let max_segment_index =
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get_complete_segment_from_slot(storage_turn, slots_per_segment).unwrap();
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segment_index %= max_segment_index as u64;
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segment_index * slots_per_segment
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}
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fn create_request_processor(
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socket: UdpSocket,
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exit: &Arc<AtomicBool>,
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slot_receiver: Receiver<u64>,
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) -> Vec<JoinHandle<()>> {
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let mut thread_handles = vec![];
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let (s_reader, r_reader) = channel();
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let (s_responder, r_responder) = channel();
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let storage_socket = Arc::new(socket);
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let recycler = Recycler::default();
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let t_receiver = receiver(storage_socket.clone(), exit, s_reader, recycler, "archiver");
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thread_handles.push(t_receiver);
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let t_responder = responder("archiver-responder", storage_socket, r_responder);
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thread_handles.push(t_responder);
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let exit = exit.clone();
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let t_processor = spawn(move || {
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let slot = poll_for_slot(slot_receiver, &exit);
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loop {
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if exit.load(Ordering::Relaxed) {
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break;
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}
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let packets = r_reader.recv_timeout(Duration::from_secs(1));
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if let Ok(packets) = packets {
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for packet in &packets.packets {
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let req: result::Result<ArchiverRequest, Box<bincode::ErrorKind>> =
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limited_deserialize(&packet.data[..packet.meta.size]);
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match req {
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Ok(ArchiverRequest::GetSlotHeight(from)) => {
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let packet = Packet::from_data(&from, slot);
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let _ = s_responder.send(Packets::new(vec![packet]));
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}
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Err(e) => {
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info!("invalid request: {:?}", e);
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}
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}
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}
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}
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}
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});
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thread_handles.push(t_processor);
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thread_handles
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}
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fn poll_for_slot(receiver: Receiver<u64>, exit: &Arc<AtomicBool>) -> u64 {
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loop {
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let slot = receiver.recv_timeout(Duration::from_secs(1));
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if let Ok(slot) = slot {
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return slot;
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}
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if exit.load(Ordering::Relaxed) {
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return 0;
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}
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}
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}
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impl Archiver {
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/// Returns a Result that contains an archiver on success
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///
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/// # Arguments
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/// * `ledger_path` - path to where the ledger will be stored.
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/// Causes panic if none
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/// * `node` - The archiver node
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/// * `cluster_entrypoint` - ContactInfo representing an entry into the network
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/// * `keypair` - Keypair for this archiver
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#[allow(clippy::new_ret_no_self)]
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pub fn new(
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ledger_path: &Path,
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node: Node,
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cluster_entrypoint: ContactInfo,
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keypair: Arc<Keypair>,
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storage_keypair: Arc<Keypair>,
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client_commitment: CommitmentConfig,
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) -> Result<Self> {
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let exit = Arc::new(AtomicBool::new(false));
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info!("Archiver: id: {}", keypair.pubkey());
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info!("Creating cluster info....");
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let cluster_info = ClusterInfo::new(node.info.clone(), keypair.clone());
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cluster_info.set_entrypoint(cluster_entrypoint.clone());
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let cluster_info = Arc::new(cluster_info);
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let cluster_slots = Arc::new(ClusterSlots::default());
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// Note for now, this ledger will not contain any of the existing entries
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// in the ledger located at ledger_path, and will only append on newly received
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// entries after being passed to window_service
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let blockstore = Arc::new(
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Blockstore::open(ledger_path).expect("Expected to be able to open database ledger"),
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);
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let gossip_service = GossipService::new(&cluster_info, None, node.sockets.gossip, &exit);
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info!("Connecting to the cluster via {:?}", cluster_entrypoint);
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let (nodes, _) =
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match solana_core::gossip_service::discover_cluster(&cluster_entrypoint.gossip, 2) {
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Ok(nodes_and_archivers) => nodes_and_archivers,
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Err(e) => {
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//shutdown services before exiting
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exit.store(true, Ordering::Relaxed);
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gossip_service.join()?;
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return Err(e.into());
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}
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};
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let client = solana_core::gossip_service::get_client(&nodes);
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info!("Setting up mining account...");
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if let Err(e) =
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Self::setup_mining_account(&client, &keypair, &storage_keypair, client_commitment)
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{
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//shutdown services before exiting
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exit.store(true, Ordering::Relaxed);
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gossip_service.join()?;
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return Err(e);
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};
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let repair_socket = Arc::new(node.sockets.repair);
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let shred_sockets: Vec<Arc<UdpSocket>> =
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node.sockets.tvu.into_iter().map(Arc::new).collect();
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let shred_forward_sockets: Vec<Arc<UdpSocket>> = node
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.sockets
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.tvu_forwards
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.into_iter()
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.map(Arc::new)
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.collect();
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let (shred_fetch_sender, shred_fetch_receiver) = channel();
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let fetch_stage = ShredFetchStage::new(
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shred_sockets,
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shred_forward_sockets,
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repair_socket.clone(),
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&shred_fetch_sender,
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None,
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&exit,
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);
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let (slot_sender, slot_receiver) = channel();
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let request_processor =
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create_request_processor(node.sockets.storage.unwrap(), &exit, slot_receiver);
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let t_archiver = {
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let exit = exit.clone();
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let node_info = node.info.clone();
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let mut meta = ArchiverMeta {
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ledger_path: ledger_path.to_path_buf(),
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client_commitment,
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..ArchiverMeta::default()
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};
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spawn(move || {
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// setup archiver
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let window_service = match Self::setup(
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&mut meta,
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cluster_info.clone(),
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&blockstore,
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&exit,
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&node_info,
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&storage_keypair,
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repair_socket,
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shred_fetch_receiver,
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slot_sender,
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cluster_slots,
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) {
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Ok(window_service) => window_service,
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Err(e) => {
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//shutdown services before exiting
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error!("setup failed {:?}; archiver thread exiting...", e);
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exit.store(true, Ordering::Relaxed);
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request_processor
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.into_iter()
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.for_each(|t| t.join().unwrap());
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fetch_stage.join().unwrap();
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gossip_service.join().unwrap();
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return;
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}
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};
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info!("setup complete");
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// run archiver
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Self::run(
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&mut meta,
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&blockstore,
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cluster_info,
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&keypair,
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&storage_keypair,
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&exit,
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);
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// wait until exit
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request_processor
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.into_iter()
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.for_each(|t| t.join().unwrap());
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fetch_stage.join().unwrap();
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gossip_service.join().unwrap();
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window_service.join().unwrap()
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})
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};
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Ok(Self {
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thread_handles: vec![t_archiver],
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exit,
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})
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}
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fn run(
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meta: &mut ArchiverMeta,
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blockstore: &Arc<Blockstore>,
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cluster_info: Arc<ClusterInfo>,
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archiver_keypair: &Arc<Keypair>,
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storage_keypair: &Arc<Keypair>,
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exit: &Arc<AtomicBool>,
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) {
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// encrypt segment
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Self::encrypt_ledger(meta, blockstore).expect("ledger encrypt not successful");
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let enc_file_path = meta.ledger_data_file_encrypted.clone();
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// do replicate
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loop {
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if exit.load(Ordering::Relaxed) {
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break;
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}
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// TODO check if more segments are available - based on space constraints
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Self::create_sampling_offsets(meta);
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let sampling_offsets = &meta.sampling_offsets;
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meta.sha_state =
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match Self::sample_file_to_create_mining_hash(&enc_file_path, sampling_offsets) {
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Ok(hash) => hash,
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Err(err) => {
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warn!("Error sampling file, exiting: {:?}", err);
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break;
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}
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};
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Self::submit_mining_proof(meta, &cluster_info, archiver_keypair, storage_keypair);
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// TODO make this a lot more frequent by picking a "new" blockhash instead of picking a storage blockhash
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// prep the next proof
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let (storage_blockhash, _) = match Self::poll_for_blockhash_and_slot(
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&cluster_info,
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meta.slots_per_segment,
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&meta.blockhash,
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exit,
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) {
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Ok(blockhash_and_slot) => blockhash_and_slot,
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Err(e) => {
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warn!(
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"Error couldn't get a newer blockhash than {:?}. {:?}",
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meta.blockhash, e
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);
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break;
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}
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};
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meta.blockhash = storage_blockhash;
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Self::redeem_rewards(
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&cluster_info,
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archiver_keypair,
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storage_keypair,
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meta.client_commitment,
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);
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}
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exit.store(true, Ordering::Relaxed);
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}
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fn redeem_rewards(
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cluster_info: &ClusterInfo,
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archiver_keypair: &Arc<Keypair>,
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storage_keypair: &Arc<Keypair>,
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client_commitment: CommitmentConfig,
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) {
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let nodes = cluster_info.tvu_peers();
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let client = solana_core::gossip_service::get_client(&nodes);
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if let Ok(Some(account)) =
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client.get_account_with_commitment(&storage_keypair.pubkey(), client_commitment)
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{
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if let Ok(StorageContract::ArchiverStorage { validations, .. }) = account.state() {
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if !validations.is_empty() {
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let ix = storage_instruction::claim_reward(
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&archiver_keypair.pubkey(),
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&storage_keypair.pubkey(),
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);
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let message = Message::new_with_payer(&[ix], Some(&archiver_keypair.pubkey()));
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if let Err(e) = client.send_message(&[archiver_keypair.as_ref()], message) {
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error!("unable to redeem reward, tx failed: {:?}", e);
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} else {
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info!(
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"collected mining rewards: Account balance {:?}",
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client.get_balance_with_commitment(
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&archiver_keypair.pubkey(),
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client_commitment
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)
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);
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}
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}
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}
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} else {
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info!("Redeem mining reward: No account data found");
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}
|
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}
|
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|
|
// Find a segment to replicate and download it.
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#[allow(clippy::too_many_arguments)]
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fn setup(
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meta: &mut ArchiverMeta,
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cluster_info: Arc<ClusterInfo>,
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blockstore: &Arc<Blockstore>,
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exit: &Arc<AtomicBool>,
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node_info: &ContactInfo,
|
|
storage_keypair: &Arc<Keypair>,
|
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repair_socket: Arc<UdpSocket>,
|
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shred_fetch_receiver: PacketReceiver,
|
|
slot_sender: Sender<u64>,
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cluster_slots: Arc<ClusterSlots>,
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) -> Result<WindowService> {
|
|
let slots_per_segment =
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match Self::get_segment_config(&cluster_info, meta.client_commitment) {
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Ok(slots_per_segment) => slots_per_segment,
|
|
Err(e) => {
|
|
error!("unable to get segment size configuration, exiting...");
|
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//shutdown services before exiting
|
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exit.store(true, Ordering::Relaxed);
|
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return Err(e);
|
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}
|
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};
|
|
let (segment_blockhash, segment_slot) = match Self::poll_for_segment(
|
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&cluster_info,
|
|
slots_per_segment,
|
|
&Hash::default(),
|
|
exit,
|
|
) {
|
|
Ok(blockhash_and_slot) => blockhash_and_slot,
|
|
Err(e) => {
|
|
//shutdown services before exiting
|
|
exit.store(true, Ordering::Relaxed);
|
|
return Err(e);
|
|
}
|
|
};
|
|
let signature = storage_keypair.sign_message(segment_blockhash.as_ref());
|
|
let slot = get_slot_from_signature(&signature, segment_slot, slots_per_segment);
|
|
info!("replicating slot: {}", slot);
|
|
slot_sender.send(slot)?;
|
|
meta.slot = slot;
|
|
meta.slots_per_segment = slots_per_segment;
|
|
meta.signature = signature;
|
|
meta.blockhash = segment_blockhash;
|
|
|
|
let mut repair_slot_range = RepairSlotRange::default();
|
|
repair_slot_range.end = slot + slots_per_segment;
|
|
repair_slot_range.start = slot;
|
|
|
|
let (retransmit_sender, _) = channel();
|
|
|
|
let (verified_sender, verified_receiver) = unbounded();
|
|
|
|
let _sigverify_stage = SigVerifyStage::new(
|
|
shred_fetch_receiver,
|
|
verified_sender,
|
|
DisabledSigVerifier::default(),
|
|
);
|
|
|
|
let window_service = WindowService::new(
|
|
blockstore.clone(),
|
|
cluster_info.clone(),
|
|
verified_receiver,
|
|
retransmit_sender,
|
|
repair_socket,
|
|
&exit,
|
|
RepairStrategy::RepairRange(repair_slot_range),
|
|
&Arc::new(LeaderScheduleCache::default()),
|
|
|_, _, _, _| true,
|
|
cluster_slots,
|
|
);
|
|
info!("waiting for ledger download");
|
|
Self::wait_for_segment_download(
|
|
slot,
|
|
slots_per_segment,
|
|
&blockstore,
|
|
&exit,
|
|
&node_info,
|
|
cluster_info,
|
|
);
|
|
Ok(window_service)
|
|
}
|
|
|
|
fn wait_for_segment_download(
|
|
start_slot: Slot,
|
|
slots_per_segment: u64,
|
|
blockstore: &Arc<Blockstore>,
|
|
exit: &Arc<AtomicBool>,
|
|
node_info: &ContactInfo,
|
|
cluster_info: Arc<ClusterInfo>,
|
|
) {
|
|
info!(
|
|
"window created, waiting for ledger download starting at slot {:?}",
|
|
start_slot
|
|
);
|
|
let mut current_slot = start_slot;
|
|
'outer: loop {
|
|
while blockstore.is_full(current_slot) {
|
|
current_slot += 1;
|
|
info!("current slot: {}", current_slot);
|
|
if current_slot >= start_slot + slots_per_segment {
|
|
break 'outer;
|
|
}
|
|
}
|
|
if exit.load(Ordering::Relaxed) {
|
|
break;
|
|
}
|
|
sleep(Duration::from_secs(1));
|
|
}
|
|
|
|
info!("Done receiving entries from window_service");
|
|
|
|
// Remove archiver from the data plane
|
|
let mut contact_info = node_info.clone();
|
|
contact_info.tvu = "0.0.0.0:0".parse().unwrap();
|
|
contact_info.wallclock = timestamp();
|
|
// copy over the adopted shred_version from the entrypoint
|
|
contact_info.shred_version = cluster_info.my_shred_version();
|
|
cluster_info.update_contact_info(|current| *current = contact_info);
|
|
}
|
|
|
|
fn encrypt_ledger(meta: &mut ArchiverMeta, blockstore: &Arc<Blockstore>) -> Result<()> {
|
|
meta.ledger_data_file_encrypted = meta.ledger_path.join(ENCRYPTED_FILENAME);
|
|
|
|
{
|
|
let mut ivec = [0u8; 64];
|
|
ivec.copy_from_slice(&meta.signature.as_ref());
|
|
|
|
let num_encrypted_bytes = chacha_cbc_encrypt_ledger(
|
|
blockstore,
|
|
meta.slot,
|
|
meta.slots_per_segment,
|
|
&meta.ledger_data_file_encrypted,
|
|
&mut ivec,
|
|
)?;
|
|
|
|
meta.num_chacha_blocks = num_encrypted_bytes / CHACHA_BLOCK_SIZE;
|
|
}
|
|
|
|
info!(
|
|
"Done encrypting the ledger: {:?}",
|
|
meta.ledger_data_file_encrypted
|
|
);
|
|
Ok(())
|
|
}
|
|
|
|
fn create_sampling_offsets(meta: &mut ArchiverMeta) {
|
|
meta.sampling_offsets.clear();
|
|
let mut rng_seed = [0u8; 32];
|
|
rng_seed.copy_from_slice(&meta.blockhash.as_ref());
|
|
let mut rng = ChaChaRng::from_seed(rng_seed);
|
|
for _ in 0..NUM_STORAGE_SAMPLES {
|
|
meta.sampling_offsets
|
|
.push(rng.gen_range(0, meta.num_chacha_blocks) as u64);
|
|
}
|
|
}
|
|
|
|
fn sample_file_to_create_mining_hash(
|
|
enc_file_path: &Path,
|
|
sampling_offsets: &[u64],
|
|
) -> Result<Hash> {
|
|
let sha_state = sample_file(enc_file_path, sampling_offsets)?;
|
|
info!("sampled sha_state: {}", sha_state);
|
|
Ok(sha_state)
|
|
}
|
|
|
|
fn setup_mining_account(
|
|
client: &ThinClient,
|
|
keypair: &Keypair,
|
|
storage_keypair: &Keypair,
|
|
client_commitment: CommitmentConfig,
|
|
) -> Result<()> {
|
|
// make sure archiver has some balance
|
|
info!("checking archiver keypair...");
|
|
if client.poll_balance_with_timeout_and_commitment(
|
|
&keypair.pubkey(),
|
|
&Duration::from_millis(100),
|
|
&Duration::from_secs(5),
|
|
client_commitment,
|
|
)? == 0
|
|
{
|
|
return Err(ArchiverError::EmptyStorageAccountBalance);
|
|
}
|
|
|
|
info!("checking storage account keypair...");
|
|
// check if the storage account exists
|
|
let balance =
|
|
client.poll_get_balance_with_commitment(&storage_keypair.pubkey(), client_commitment);
|
|
if balance.is_err() || balance.unwrap() == 0 {
|
|
let blockhash = match client.get_recent_blockhash_with_commitment(client_commitment) {
|
|
Ok((blockhash, _)) => blockhash,
|
|
Err(e) => {
|
|
return Err(ArchiverError::TransportError(e));
|
|
}
|
|
};
|
|
|
|
let ixs = storage_instruction::create_storage_account(
|
|
&keypair.pubkey(),
|
|
&keypair.pubkey(),
|
|
&storage_keypair.pubkey(),
|
|
1,
|
|
StorageAccountType::Archiver,
|
|
);
|
|
let tx = Transaction::new_signed_instructions(&[keypair], &ixs, blockhash);
|
|
let signature = client.async_send_transaction(tx)?;
|
|
client
|
|
.poll_for_signature_with_commitment(&signature, client_commitment)
|
|
.map_err(|err| match err {
|
|
TransportError::IoError(e) => e,
|
|
TransportError::TransactionError(_) => io::Error::new(
|
|
ErrorKind::Other,
|
|
"setup_mining_account: signature not found",
|
|
),
|
|
TransportError::Custom(e) => io::Error::new(ErrorKind::Other, e),
|
|
})?;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn submit_mining_proof(
|
|
meta: &ArchiverMeta,
|
|
cluster_info: &ClusterInfo,
|
|
archiver_keypair: &Arc<Keypair>,
|
|
storage_keypair: &Arc<Keypair>,
|
|
) {
|
|
// No point if we've got no storage account...
|
|
let nodes = cluster_info.tvu_peers();
|
|
let client = solana_core::gossip_service::get_client(&nodes);
|
|
let storage_balance = client
|
|
.poll_get_balance_with_commitment(&storage_keypair.pubkey(), meta.client_commitment);
|
|
if storage_balance.is_err() || storage_balance.unwrap() == 0 {
|
|
error!("Unable to submit mining proof, no storage account");
|
|
return;
|
|
}
|
|
// ...or no lamports for fees
|
|
let balance = client
|
|
.poll_get_balance_with_commitment(&archiver_keypair.pubkey(), meta.client_commitment);
|
|
if balance.is_err() || balance.unwrap() == 0 {
|
|
error!("Unable to submit mining proof, insufficient Archiver Account balance");
|
|
return;
|
|
}
|
|
|
|
let blockhash = match client.get_recent_blockhash_with_commitment(meta.client_commitment) {
|
|
Ok((blockhash, _)) => blockhash,
|
|
Err(_) => {
|
|
error!("unable to get recent blockhash, can't submit proof");
|
|
return;
|
|
}
|
|
};
|
|
let instruction = storage_instruction::mining_proof(
|
|
&storage_keypair.pubkey(),
|
|
meta.sha_state,
|
|
get_segment_from_slot(meta.slot, meta.slots_per_segment),
|
|
Signature::new(&meta.signature.as_ref()),
|
|
meta.blockhash,
|
|
);
|
|
let message = Message::new_with_payer(&[instruction], Some(&archiver_keypair.pubkey()));
|
|
let mut transaction = Transaction::new(
|
|
&[archiver_keypair.as_ref(), storage_keypair.as_ref()],
|
|
message,
|
|
blockhash,
|
|
);
|
|
if let Err(err) = client.send_and_confirm_transaction(
|
|
&[archiver_keypair.as_ref(), storage_keypair.as_ref()],
|
|
&mut transaction,
|
|
10,
|
|
0,
|
|
) {
|
|
error!("Error: {:?}; while sending mining proof", err);
|
|
}
|
|
}
|
|
|
|
pub fn close(self) {
|
|
self.exit.store(true, Ordering::Relaxed);
|
|
self.join()
|
|
}
|
|
|
|
pub fn join(self) {
|
|
for handle in self.thread_handles {
|
|
handle.join().unwrap();
|
|
}
|
|
}
|
|
|
|
fn get_segment_config(
|
|
cluster_info: &ClusterInfo,
|
|
client_commitment: CommitmentConfig,
|
|
) -> Result<u64> {
|
|
let rpc_peers = cluster_info.all_rpc_peers();
|
|
debug!("rpc peers: {:?}", rpc_peers);
|
|
if !rpc_peers.is_empty() {
|
|
let rpc_client = {
|
|
let node_index = thread_rng().gen_range(0, rpc_peers.len());
|
|
RpcClient::new_socket(rpc_peers[node_index].rpc)
|
|
};
|
|
Ok(rpc_client
|
|
.send::<u64>(
|
|
RpcRequest::GetSlotsPerSegment,
|
|
serde_json::json!([client_commitment]),
|
|
0,
|
|
)
|
|
.unwrap())
|
|
} else {
|
|
Err(ArchiverError::NoRpcPeers)
|
|
}
|
|
}
|
|
|
|
/// Waits until the first segment is ready, and returns the current segment
|
|
fn poll_for_segment(
|
|
cluster_info: &ClusterInfo,
|
|
slots_per_segment: u64,
|
|
previous_blockhash: &Hash,
|
|
exit: &Arc<AtomicBool>,
|
|
) -> Result<(Hash, u64)> {
|
|
loop {
|
|
let (blockhash, turn_slot) = Self::poll_for_blockhash_and_slot(
|
|
cluster_info,
|
|
slots_per_segment,
|
|
previous_blockhash,
|
|
exit,
|
|
)?;
|
|
if get_complete_segment_from_slot(turn_slot, slots_per_segment).is_some() {
|
|
return Ok((blockhash, turn_slot));
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Poll for a different blockhash and associated max_slot than `previous_blockhash`
|
|
fn poll_for_blockhash_and_slot(
|
|
cluster_info: &ClusterInfo,
|
|
slots_per_segment: u64,
|
|
previous_blockhash: &Hash,
|
|
exit: &Arc<AtomicBool>,
|
|
) -> Result<(Hash, u64)> {
|
|
info!("waiting for the next turn...");
|
|
loop {
|
|
let rpc_peers = cluster_info.all_rpc_peers();
|
|
debug!("rpc peers: {:?}", rpc_peers);
|
|
if !rpc_peers.is_empty() {
|
|
let rpc_client = {
|
|
let node_index = thread_rng().gen_range(0, rpc_peers.len());
|
|
RpcClient::new_socket(rpc_peers[node_index].rpc)
|
|
};
|
|
let RpcStorageTurn {
|
|
blockhash: storage_blockhash,
|
|
slot: turn_slot,
|
|
} = rpc_client.send(
|
|
RpcRequest::GetStorageTurn,
|
|
serde_json::value::Value::Null,
|
|
0,
|
|
)?;
|
|
let turn_blockhash = storage_blockhash.parse().map_err(|err| {
|
|
io::Error::new(
|
|
io::ErrorKind::Other,
|
|
format!(
|
|
"Blockhash parse failure: {:?} on {:?}",
|
|
err, storage_blockhash
|
|
),
|
|
)
|
|
})?;
|
|
if turn_blockhash != *previous_blockhash {
|
|
info!("turn slot: {}", turn_slot);
|
|
if get_segment_from_slot(turn_slot, slots_per_segment) != 0 {
|
|
return Ok((turn_blockhash, turn_slot));
|
|
}
|
|
}
|
|
}
|
|
if exit.load(Ordering::Relaxed) {
|
|
return Err(ArchiverError::IO(io::Error::new(
|
|
ErrorKind::Other,
|
|
"exit signalled...",
|
|
)));
|
|
}
|
|
sleep(Duration::from_secs(5));
|
|
}
|
|
}
|
|
|
|
/// Ask an archiver to populate a given blockstore with its segment.
|
|
/// Return the slot at the start of the archiver's segment
|
|
///
|
|
/// It is recommended to use a temporary blockstore for this since the download will not verify
|
|
/// shreds received and might impact the chaining of shreds across slots
|
|
pub fn download_from_archiver(
|
|
serve_repair: &ServeRepair,
|
|
archiver_info: &ContactInfo,
|
|
blockstore: &Arc<Blockstore>,
|
|
slots_per_segment: u64,
|
|
) -> Result<u64> {
|
|
let ip_addr = IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0));
|
|
// Create a client which downloads from the archiver and see that it
|
|
// can respond with shreds.
|
|
let start_slot = Self::get_archiver_segment_slot(ip_addr, archiver_info.storage_addr);
|
|
info!("Archiver download: start at {}", start_slot);
|
|
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
let (s_reader, r_reader) = channel();
|
|
let repair_socket = Arc::new(bind_in_range(ip_addr, VALIDATOR_PORT_RANGE).unwrap().1);
|
|
let t_receiver = receiver(
|
|
repair_socket.clone(),
|
|
&exit,
|
|
s_reader,
|
|
Recycler::default(),
|
|
"archiver_reeciver",
|
|
);
|
|
let id = serve_repair.keypair().pubkey();
|
|
info!(
|
|
"Sending repair requests from: {} to: {}",
|
|
serve_repair.my_info().id,
|
|
archiver_info.gossip
|
|
);
|
|
let repair_slot_range = RepairSlotRange {
|
|
start: start_slot,
|
|
end: start_slot + slots_per_segment,
|
|
};
|
|
// try for upto 180 seconds //TODO needs tuning if segments are huge
|
|
for _ in 0..120 {
|
|
// Strategy used by archivers
|
|
let repairs = RepairService::generate_repairs_in_range(
|
|
blockstore,
|
|
repair_service::MAX_REPAIR_LENGTH,
|
|
&repair_slot_range,
|
|
);
|
|
let mut repair_stats = RepairStats::default();
|
|
//iter over the repairs and send them
|
|
if let Ok(repairs) = repairs {
|
|
let reqs: Vec<_> = repairs
|
|
.into_iter()
|
|
.filter_map(|repair_request| {
|
|
serve_repair
|
|
.map_repair_request(&repair_request, &mut repair_stats)
|
|
.map(|result| ((archiver_info.gossip, result), repair_request))
|
|
.ok()
|
|
})
|
|
.collect();
|
|
|
|
for ((to, req), repair_request) in reqs {
|
|
if let Ok(local_addr) = repair_socket.local_addr() {
|
|
datapoint_info!(
|
|
"archiver_download",
|
|
("repair_request", format!("{:?}", repair_request), String),
|
|
("to", to.to_string(), String),
|
|
("from", local_addr.to_string(), String),
|
|
("id", id.to_string(), String)
|
|
);
|
|
}
|
|
repair_socket
|
|
.send_to(&req, archiver_info.gossip)
|
|
.unwrap_or_else(|e| {
|
|
error!("{} repair req send_to({}) error {:?}", id, to, e);
|
|
0
|
|
});
|
|
}
|
|
}
|
|
let res = r_reader.recv_timeout(Duration::new(1, 0));
|
|
if let Ok(mut packets) = res {
|
|
while let Ok(mut more) = r_reader.try_recv() {
|
|
packets.packets.append_pinned(&mut more.packets);
|
|
}
|
|
let shreds: Vec<Shred> = packets
|
|
.packets
|
|
.into_iter()
|
|
.filter_map(|p| Shred::new_from_serialized_shred(p.data.to_vec()).ok())
|
|
.collect();
|
|
blockstore.insert_shreds(shreds, None, false)?;
|
|
}
|
|
// check if all the slots in the segment are complete
|
|
if Self::segment_complete(start_slot, slots_per_segment, blockstore) {
|
|
break;
|
|
}
|
|
sleep(Duration::from_millis(500));
|
|
}
|
|
exit.store(true, Ordering::Relaxed);
|
|
t_receiver.join().unwrap();
|
|
|
|
// check if all the slots in the segment are complete
|
|
if !Self::segment_complete(start_slot, slots_per_segment, blockstore) {
|
|
return Err(ArchiverError::SegmentDownloadError);
|
|
}
|
|
Ok(start_slot)
|
|
}
|
|
|
|
fn segment_complete(
|
|
start_slot: Slot,
|
|
slots_per_segment: u64,
|
|
blockstore: &Arc<Blockstore>,
|
|
) -> bool {
|
|
for slot in start_slot..(start_slot + slots_per_segment) {
|
|
if !blockstore.is_full(slot) {
|
|
return false;
|
|
}
|
|
}
|
|
true
|
|
}
|
|
|
|
fn get_archiver_segment_slot(bind_ip_addr: IpAddr, to: SocketAddr) -> u64 {
|
|
let (_port, socket) = bind_in_range(bind_ip_addr, VALIDATOR_PORT_RANGE).unwrap();
|
|
socket
|
|
.set_read_timeout(Some(Duration::from_secs(5)))
|
|
.unwrap();
|
|
|
|
let req = ArchiverRequest::GetSlotHeight(socket.local_addr().unwrap());
|
|
let serialized_req = bincode::serialize(&req).unwrap();
|
|
for _ in 0..10 {
|
|
socket.send_to(&serialized_req, to).unwrap();
|
|
let mut buf = [0; 1024];
|
|
if let Ok((size, _addr)) = socket.recv_from(&mut buf) {
|
|
// Ignore bad packet and try again
|
|
if let Ok(slot) = bincode::config()
|
|
.limit(PACKET_DATA_SIZE as u64)
|
|
.deserialize(&buf[..size])
|
|
{
|
|
return slot;
|
|
}
|
|
}
|
|
sleep(Duration::from_millis(500));
|
|
}
|
|
panic!("Couldn't get segment slot from archiver!");
|
|
}
|
|
}
|