Fuzzer test and fixes (#9853) (#9858)

Indexing into accounts array does not match account_keys otherwise.
Also enforce program accounts not at index 0
Enforce at least 1 Read-write signing fee-payer account.

.gitbook.yaml

@@ -3,3 +3,16 @@ root: ./docs/src
 structure:
     readme: introduction.md
     summary: SUMMARY.md
+
+redirects:
+    wallet: ./wallet-guide/README.md
+    wallet/app-wallets: ./wallet-guide/apps.md
+    wallet/app-wallets/trust-wallet: ./wallet-guide/trust-wallet.md
+    wallet/app-wallets/ledger-live:  ./wallet-guide/ledger-live.md
+    wallet/cli-wallets:  ./wallet-guide/cli.md
+    wallet/cli-wallets/paper-wallet:  ./paper-wallet/README.md
+    wallet/cli-wallets/paper-wallet/paper-wallet-usage: ./paper-wallet/paper-wallet-usage.md
+    wallet/cli-wallets/remote-wallet: ./hardware-wallets/README.md
+    wallet/cli-wallets/remote-wallet/ledger: ./hardware-wallets/ledger.md
+    wallet/cli-wallets/file-system-wallet: ./file-system-wallet/README.md
+    wallet/support: ./wallet-guide/support.md

Cargo.toml

@@ -52,6 +52,7 @@ members = [
     "sdk",
     "sdk-c",
     "scripts",
+    "stake-accounts",
     "stake-monitor",
     "sys-tuner",
     "transaction-status",

accounts-bench/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-accounts-bench"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -10,10 +10,13 @@ homepage = "https://solana.com/"
 [dependencies]
 log = "0.4.6"
 rayon = "1.3.0"
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-measure = { path = "../measure", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-rand = "0.6.5"
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-measure = { path = "../measure", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+rand = "0.7.0"
 clap = "2.33.0"
 crossbeam-channel = "0.4"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

archiver-lib/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-archiver-lib"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana Archiver Library"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -11,30 +11,33 @@ edition = "2018"
 [dependencies]
 bincode = "1.2.1"
 crossbeam-channel = "0.4"
-ed25519-dalek = "=1.0.0-pre.1"
+ed25519-dalek = "=1.0.0-pre.3"
 log = "0.4.8"
-rand = "0.6.5"
-rand_chacha = "0.1.1"
-solana-client = { path = "../client", version = "1.1.0" }
-solana-storage-program = { path = "../programs/storage", version = "1.1.0" }
+rand = "0.7.0"
+rand_chacha = "0.2.2"
+solana-client = { path = "../client", version = "1.1.8" }
+solana-storage-program = { path = "../programs/storage", version = "1.1.8" }
 thiserror = "1.0"
 serde = "1.0.105"
 serde_json = "1.0.48"
 serde_derive = "1.0.103"
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-chacha = { path = "../chacha", version = "1.1.0" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.1.0" }
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-solana-core = { path = "../core", version = "1.1.0" }
-solana-streamer = { path = "../streamer", version = "1.1.0" }
-solana-archiver-utils = { path = "../archiver-utils", version = "1.1.0" }
-solana-metrics = { path = "../metrics", version = "1.1.0" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-chacha = { path = "../chacha", version = "1.1.8" }
+solana-chacha-sys = { path = "../chacha-sys", version = "1.1.8" }
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+solana-core = { path = "../core", version = "1.1.8" }
+solana-streamer = { path = "../streamer", version = "1.1.8" }
+solana-archiver-utils = { path = "../archiver-utils", version = "1.1.8" }
+solana-metrics = { path = "../metrics", version = "1.1.8" }
 
 [dev-dependencies]
 hex = "0.4.2"
 
 [lib]
 name = "solana_archiver_lib"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

archiver-lib/src/archiver.rs

@@ -1,7 +1,7 @@
 use crate::result::ArchiverError;
 use crossbeam_channel::unbounded;
-use rand::{thread_rng, Rng, SeedableRng};
-use rand_chacha::ChaChaRng;
+use rand::{thread_rng, Rng};
+use rand_chacha::{rand_core::SeedableRng, ChaChaRng};
 use solana_archiver_utils::sample_file;
 use solana_chacha::chacha::{chacha_cbc_encrypt_ledger, CHACHA_BLOCK_SIZE};
 use solana_client::{
@@ -14,7 +14,7 @@ use solana_core::{
     contact_info::ContactInfo,
     gossip_service::GossipService,
     repair_service,
-    repair_service::{RepairService, RepairSlotRange, RepairStrategy},
+    repair_service::{RepairService, RepairSlotRange, RepairStats, RepairStrategy},
     serve_repair::ServeRepair,
     shred_fetch_stage::ShredFetchStage,
     sigverify_stage::{DisabledSigVerifier, SigVerifyStage},
@@ -53,7 +53,7 @@ use std::{
     result,
     sync::atomic::{AtomicBool, Ordering},
     sync::mpsc::{channel, Receiver, Sender},
-    sync::{Arc, RwLock},
+    sync::Arc,
     thread::{sleep, spawn, JoinHandle},
     time::Duration,
 };
@@ -185,9 +185,9 @@ impl Archiver {
 
         info!("Archiver: id: {}", keypair.pubkey());
         info!("Creating cluster info....");
-        let mut cluster_info = ClusterInfo::new(node.info.clone(), keypair.clone());
+        let cluster_info = ClusterInfo::new(node.info.clone(), keypair.clone());
         cluster_info.set_entrypoint(cluster_entrypoint.clone());
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
         let cluster_slots = Arc::new(ClusterSlots::default());
         // Note for now, this ledger will not contain any of the existing entries
         // in the ledger located at ledger_path, and will only append on newly received
@@ -200,7 +200,7 @@ impl Archiver {
 
         info!("Connecting to the cluster via {:?}", cluster_entrypoint);
         let (nodes, _) =
-            match solana_core::gossip_service::discover_cluster(&cluster_entrypoint.gossip, 1) {
+            match solana_core::gossip_service::discover_cluster(&cluster_entrypoint.gossip, 2) {
                 Ok(nodes_and_archivers) => nodes_and_archivers,
                 Err(e) => {
                     //shutdown services before exiting
@@ -308,7 +308,7 @@ impl Archiver {
     fn run(
         meta: &mut ArchiverMeta,
         blockstore: &Arc<Blockstore>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         archiver_keypair: &Arc<Keypair>,
         storage_keypair: &Arc<Keypair>,
         exit: &Arc<AtomicBool>,
@@ -365,12 +365,12 @@ impl Archiver {
     }
 
     fn redeem_rewards(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         archiver_keypair: &Arc<Keypair>,
         storage_keypair: &Arc<Keypair>,
         client_commitment: CommitmentConfig,
     ) {
-        let nodes = cluster_info.read().unwrap().tvu_peers();
+        let nodes = cluster_info.tvu_peers();
         let client = solana_core::gossip_service::get_client(&nodes);
 
         if let Ok(Some(account)) =
@@ -405,7 +405,7 @@ impl Archiver {
     #[allow(clippy::too_many_arguments)]
     fn setup(
         meta: &mut ArchiverMeta,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         blockstore: &Arc<Blockstore>,
         exit: &Arc<AtomicBool>,
         node_info: &ContactInfo,
@@ -491,7 +491,7 @@ impl Archiver {
         blockstore: &Arc<Blockstore>,
         exit: &Arc<AtomicBool>,
         node_info: &ContactInfo,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
     ) {
         info!(
             "window created, waiting for ledger download starting at slot {:?}",
@@ -519,11 +519,8 @@ impl Archiver {
         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.read().unwrap().my_data().shred_version;
-        {
-            let mut cluster_info_w = cluster_info.write().unwrap();
-            cluster_info_w.insert_self(contact_info);
-        }
+        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<()> {
@@ -626,12 +623,12 @@ impl Archiver {
 
     fn submit_mining_proof(
         meta: &ArchiverMeta,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         archiver_keypair: &Arc<Keypair>,
         storage_keypair: &Arc<Keypair>,
     ) {
         // No point if we've got no storage account...
-        let nodes = cluster_info.read().unwrap().tvu_peers();
+        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);
@@ -689,13 +686,10 @@ impl Archiver {
     }
 
     fn get_segment_config(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         client_commitment: CommitmentConfig,
     ) -> Result<u64> {
-        let rpc_peers = {
-            let cluster_info = cluster_info.read().unwrap();
-            cluster_info.all_rpc_peers()
-        };
+        let rpc_peers = cluster_info.all_rpc_peers();
         debug!("rpc peers: {:?}", rpc_peers);
         if !rpc_peers.is_empty() {
             let rpc_client = {
@@ -721,7 +715,7 @@ impl Archiver {
 
     /// Waits until the first segment is ready, and returns the current segment
     fn poll_for_segment(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         slots_per_segment: u64,
         previous_blockhash: &Hash,
         exit: &Arc<AtomicBool>,
@@ -741,17 +735,14 @@ impl Archiver {
 
     /// Poll for a different blockhash and associated max_slot than `previous_blockhash`
     fn poll_for_blockhash_and_slot(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        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 = {
-                let cluster_info = cluster_info.read().unwrap();
-                cluster_info.all_rpc_peers()
-            };
+            let rpc_peers = cluster_info.all_rpc_peers();
             debug!("rpc peers: {:?}", rpc_peers);
             if !rpc_peers.is_empty() {
                 let rpc_client = {
@@ -844,13 +835,14 @@ impl Archiver {
                 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)
+                            .map_repair_request(&repair_request, &mut repair_stats)
                             .map(|result| ((archiver_info.gossip, result), repair_request))
                             .ok()
                     })

archiver-lib/src/result.rs

@@ -1,4 +1,3 @@
-use serde_json;
 use solana_client::client_error;
 use solana_ledger::blockstore;
 use solana_sdk::transport;

archiver-utils/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-archiver-utils"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana Archiver Utils"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -10,16 +10,19 @@ edition = "2018"
 
 [dependencies]
 log = "0.4.8"
-rand = "0.6.5"
-solana-chacha = { path = "../chacha", version = "1.1.0" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.1.0" }
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+rand = "0.7.0"
+solana-chacha = { path = "../chacha", version = "1.1.8" }
+solana-chacha-sys = { path = "../chacha-sys", version = "1.1.8" }
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 
 [dev-dependencies]
 hex = "0.4.2"
 
 [lib]
 name = "solana_archiver_utils"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

archiver/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-archiver"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -10,11 +10,14 @@ homepage = "https://solana.com/"
 [dependencies]
 clap = "2.33.0"
 console = "0.10.0"
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-core = { path = "../core", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-metrics = { path = "../metrics", version = "1.1.0" }
-solana-archiver-lib = { path = "../archiver-lib", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-core = { path = "../core", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-metrics = { path = "../metrics", version = "1.1.8" }
+solana-archiver-lib = { path = "../archiver-lib", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

banking-bench/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-banking-bench"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -10,13 +10,16 @@ homepage = "https://solana.com/"
 [dependencies]
 log = "0.4.6"
 rayon = "1.3.0"
-solana-core = { path = "../core", version = "1.1.0" }
-solana-streamer = { path = "../streamer", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-measure = { path = "../measure", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-rand = "0.6.5"
+solana-core = { path = "../core", version = "1.1.8" }
+solana-streamer = { path = "../streamer", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-measure = { path = "../measure", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+rand = "0.7.0"
 crossbeam-channel = "0.4"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

banking-bench/src/main.rs

@@ -28,7 +28,7 @@ use solana_sdk::{
     transaction::Transaction,
 };
 use std::{
-    sync::{atomic::Ordering, mpsc::Receiver, Arc, Mutex, RwLock},
+    sync::{atomic::Ordering, mpsc::Receiver, Arc, Mutex},
     thread::sleep,
     time::{Duration, Instant},
 };
@@ -152,7 +152,7 @@ fn main() {
         let (exit, poh_recorder, poh_service, signal_receiver) =
             create_test_recorder(&bank, &blockstore, None);
         let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
         let banking_stage = BankingStage::new(
             &cluster_info,
             &poh_recorder,
@@ -253,7 +253,7 @@ fn main() {
                 poh_recorder.lock().unwrap().set_bank(&bank);
                 assert!(poh_recorder.lock().unwrap().bank().is_some());
                 if bank.slot() > 32 {
-                    bank_forks.set_root(root, &None);
+                    bank_forks.set_root(root, &None, None);
                     root += 1;
                 }
                 debug!(

bench-exchange/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-exchange"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,21 +14,24 @@ itertools = "0.9.0"
 log = "0.4.8"
 num-derive = "0.3"
 num-traits = "0.2"
-rand = "0.6.5"
+rand = "0.7.0"
 rayon = "1.3.0"
 serde_json = "1.0.48"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-core = { path = "../core", version = "1.1.0" }
-solana-genesis = { path = "../genesis", version = "1.1.0" }
-solana-client = { path = "../client", version = "1.1.0" }
-solana-faucet = { path = "../faucet", version = "1.1.0" }
-solana-exchange-program = { path = "../programs/exchange", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-metrics = { path = "../metrics", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-core = { path = "../core", version = "1.1.8" }
+solana-genesis = { path = "../genesis", version = "1.1.8" }
+solana-client = { path = "../client", version = "1.1.8" }
+solana-faucet = { path = "../faucet", version = "1.1.8" }
+solana-exchange-program = { path = "../programs/exchange", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-metrics = { path = "../metrics", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 
 [dev-dependencies]
-solana-local-cluster = { path = "../local-cluster", version = "1.1.0" }
+solana-local-cluster = { path = "../local-cluster", version = "1.1.8" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

bench-exchange/tests/bench_exchange.rs

@@ -86,7 +86,7 @@ fn test_exchange_bank_client() {
     solana_logger::setup();
     let (genesis_config, identity) = create_genesis_config(100_000_000_000_000);
     let mut bank = Bank::new(&genesis_config);
-    bank.add_instruction_processor(id(), process_instruction);
+    bank.add_static_program("exchange_program", id(), process_instruction);
     let clients = vec![BankClient::new(bank)];
 
     let mut config = Config::default();

bench-streamer/Cargo.toml

@@ -2,14 +2,17 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-streamer"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
 
 [dependencies]
 clap = "2.33.0"
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-streamer = { path = "../streamer", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-streamer = { path = "../streamer", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

bench-tps/Cargo.toml

@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-tps"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,24 +14,27 @@ log = "0.4.8"
 rayon = "1.3.0"
 serde_json = "1.0.48"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-core = { path = "../core", version = "1.1.0" }
-solana-genesis = { path = "../genesis", version = "1.1.0" }
-solana-client = { path = "../client", version = "1.1.0" }
-solana-faucet = { path = "../faucet", version = "1.1.0" }
-solana-librapay = { path = "../programs/librapay", version = "1.1.0", optional = true }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-metrics = { path = "../metrics", version = "1.1.0" }
-solana-measure = { path = "../measure", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-solana-move-loader-program = { path = "../programs/move_loader", version = "1.1.0", optional = true }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-core = { path = "../core", version = "1.1.8" }
+solana-genesis = { path = "../genesis", version = "1.1.8" }
+solana-client = { path = "../client", version = "1.1.8" }
+solana-faucet = { path = "../faucet", version = "1.1.8" }
+#solana-librapay = { path = "../programs/librapay", version = "1.1.8", optional = true }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-metrics = { path = "../metrics", version = "1.1.8" }
+solana-measure = { path = "../measure", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+#solana-move-loader-program = { path = "../programs/move_loader", version = "1.1.8", optional = true }
 
 [dev-dependencies]
 serial_test = "0.4.0"
 serial_test_derive = "0.4.0"
-solana-local-cluster = { path = "../local-cluster", version = "1.1.0" }
+solana-local-cluster = { path = "../local-cluster", version = "1.1.8" }
 
-[features]
-move = ["solana-librapay", "solana-move-loader-program"]
+#[features]
+#move = ["solana-librapay", "solana-move-loader-program"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

chacha-cuda/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha-cuda"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana Chacha Cuda APIs"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -10,15 +10,18 @@ edition = "2018"
 
 [dependencies]
 log = "0.4.8"
-solana-archiver-utils = { path = "../archiver-utils", version = "1.1.0" }
-solana-chacha = { path = "../chacha", version = "1.1.0" }
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+solana-archiver-utils = { path = "../archiver-utils", version = "1.1.8" }
+solana-chacha = { path = "../chacha", version = "1.1.8" }
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 
 [dev-dependencies]
 hex-literal = "0.2.1"
 
 [lib]
 name = "solana_chacha_cuda"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

chacha-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha-sys"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana chacha-sys"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -10,3 +10,6 @@ edition = "2018"
 
 [build-dependencies]
 cc = "1.0.49"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

chacha/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana Chacha APIs"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -10,16 +10,19 @@ edition = "2018"
 
 [dependencies]
 log = "0.4.8"
-rand = "0.6.5"
-rand_chacha = "0.1.1"
-solana-chacha-sys = { path = "../chacha-sys", version = "1.1.0" }
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+rand = "0.7.0"
+rand_chacha = "0.2.2"
+solana-chacha-sys = { path = "../chacha-sys", version = "1.1.8" }
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 
 [dev-dependencies]
 hex-literal = "0.2.1"
 
 [lib]
 name = "solana_chacha"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

ci/buildkite-secondary.yml

@@ -2,6 +2,16 @@
 # Build steps that run after the primary pipeline on pushes and tags.
 # Pull requests to not run these steps.
 steps:
+  - command: "ci/publish-tarball.sh"
+    timeout_in_minutes: 60
+    name: "publish tarball"
+  - command: "ci/publish-docs.sh"
+    timeout_in_minutes: 15
+    name: "publish docs"
+  - command: "ci/publish-bpf-sdk.sh"
+    timeout_in_minutes: 5
+    name: "publish bpf sdk"
+  - wait
   - command: "sdk/docker-solana/build.sh"
     timeout_in_minutes: 60
     name: "publish docker"
@@ -9,12 +19,6 @@ steps:
     timeout_in_minutes: 240
     name: "publish crate"
     branches: "!master"
-  - command: "ci/publish-bpf-sdk.sh"
-    timeout_in_minutes: 5
-    name: "publish bpf sdk"
-  - command: "ci/publish-tarball.sh"
-    timeout_in_minutes: 60
-    name: "publish tarball"
-  - command: "ci/publish-docs.sh"
-    timeout_in_minutes: 15
-    name: "publish docs"
+    #  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-move.sh"
+    #    name: "move"
+    #    timeout_in_minutes: 20

ci/buildkite-tests.yml

@@ -0,0 +1,26 @@
+# These steps are conditionally triggered by ci/buildkite.yml when files
+# other than those in docs/ are modified
+
+steps:
+  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_nightly_docker_image ci/test-coverage.sh"
+    name: "coverage"
+    timeout_in_minutes: 30
+  - wait
+  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-stable.sh"
+    name: "stable"
+    timeout_in_minutes: 60
+    artifact_paths: "log-*.txt"
+  - wait
+  - command: "ci/test-stable-perf.sh"
+    name: "stable-perf"
+    timeout_in_minutes: 40
+    artifact_paths: "log-*.txt"
+    agents:
+      - "queue=cuda"
+  - command: "ci/test-bench.sh"
+    name: "bench"
+    timeout_in_minutes: 30
+  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-local-cluster.sh"
+    name: "local-cluster"
+    timeout_in_minutes: 45
+    artifact_paths: "log-*.txt"

ci/buildkite.yml

@@ -1,42 +1,25 @@
 # Build steps that run on pushes and pull requests.
+# If files other than those in docs/ were modified, this will be followed up by
+# ci/buildkite-tests.yml
 #
 # Release tags use buildkite-release.yml instead
+
 steps:
-  - command: "ci/shellcheck.sh"
-    name: "shellcheck"
-    timeout_in_minutes: 5
   - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_nightly_docker_image ci/test-checks.sh"
     name: "checks"
     timeout_in_minutes: 20
+  - command: "ci/shellcheck.sh"
+    name: "shellcheck"
+    timeout_in_minutes: 5
+
   - wait
-  - command: "ci/test-stable-perf.sh"
-    name: "stable-perf"
-    timeout_in_minutes: 40
-    artifact_paths: "log-*.txt"
-    agents:
-      - "queue=cuda"
-  - command: "ci/test-bench.sh"
-    name: "bench"
-    timeout_in_minutes: 30
-  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-stable.sh"
-    name: "stable"
-    timeout_in_minutes: 60
-    artifact_paths: "log-*.txt"
-    agents:
-      - "queue=rpc-test-capable"
-  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-move.sh"
-    name: "move"
-    timeout_in_minutes: 20
-  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_stable_docker_image ci/test-local-cluster.sh"
-    name: "local-cluster"
-    timeout_in_minutes: 45
-    artifact_paths: "log-*.txt"
-  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_nightly_docker_image ci/test-coverage.sh"
-    name: "coverage"
-    timeout_in_minutes: 30
-    agents:
-      - "queue=rpc-test-capable"
+
+  - command: "ci/maybe-trigger-tests.sh"
+    name: "maybe-trigger-tests"
+    timeout_in_minutes: 2
+
   - wait
+
   - trigger: "solana-secondary"
     branches: "!pull/*"
     async: true

ci/docker-run.sh

@@ -49,7 +49,7 @@ else
   # ~/.cargo
   ARGS+=(--volume "$PWD:/home")
 fi
-ARGS+=(--env "CARGO_HOME=/home/.cargo")
+ARGS+=(--env "HOME=/home" --env "CARGO_HOME=/home/.cargo")
 
 # kcov tries to set the personality of the binary which docker
 # doesn't allow by default.

ci/docker-rust-nightly/Dockerfile

@@ -1,4 +1,4 @@
-FROM solanalabs/rust:1.42.0
+FROM solanalabs/rust:1.43.0
 ARG date
 
 RUN set -x \

ci/docker-rust/Dockerfile

@@ -1,6 +1,6 @@
 # Note: when the rust version is changed also modify
 # ci/rust-version.sh to pick up the new image tag
-FROM rust:1.42.0
+FROM rust:1.43.0
 
 # Add Google Protocol Buffers for Libra's metrics library.
 ENV PROTOC_VERSION 3.8.0

ci/maybe-trigger-tests.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -e
+cd "$(dirname "$0")/.."
+
+annotate() {
+  ${BUILDKITE:-false} && {
+    buildkite-agent annotate "$@"
+  }
+}
+
+# Skip if only the docs have been modified
+ci/affects-files.sh \
+  \!^docs/ \
+|| {
+  annotate --style info \
+    "Skipping all further tests as only docs/ files were modified"
+  exit 0
+}
+
+annotate --style info "Triggering tests"
+buildkite-agent pipeline upload ci/buildkite-tests.yml

ci/publish-tarball.sh

@@ -71,7 +71,7 @@ echo --- Creating release tarball
   export CHANNEL
 
   source ci/rust-version.sh stable
-  scripts/cargo-install-all.sh +"$rust_stable" --use-move solana-release
+  scripts/cargo-install-all.sh +"$rust_stable" solana-release
 
   tar cvf solana-release-$TARGET.tar solana-release
   bzip2 solana-release-$TARGET.tar
@@ -95,9 +95,8 @@ fi
 source ci/upload-ci-artifact.sh
 
 for file in solana-release-$TARGET.tar.bz2 solana-release-$TARGET.yml solana-install-init-"$TARGET"* $MAYBE_TARBALLS; do
-  upload-ci-artifact "$file"
-
   if [[ -n $DO_NOT_PUBLISH_TAR ]]; then
+    upload-ci-artifact "$file"
     echo "Skipped $file due to DO_NOT_PUBLISH_TAR"
     continue
   fi

ci/rust-version.sh

@@ -1,28 +1,30 @@
 #
 # This file maintains the rust versions for use by CI.
 #
-# Build with stable rust, updating the stable toolchain if necessary:
-#   $ source ci/rust-version.sh stable
-#   $ cargo +"$rust_stable" build
-#
-# Build with nightly rust, updating the nightly toolchain if necessary:
-#   $ source ci/rust-version.sh nightly
-#   $ cargo +"$rust_nightly" build
-#
 # Obtain the environment variables without any automatic toolchain updating:
 #   $ source ci/rust-version.sh
 #
+# Obtain the environment variables updating both stable and nightly, only stable, or
+# only nightly:
+#   $ source ci/rust-version.sh all
+#   $ source ci/rust-version.sh stable
+#   $ source ci/rust-version.sh nightly
+
+# Then to build with either stable or nightly:
+#   $ cargo +"$rust_stable" build
+#   $ cargo +"$rust_nightly" build
+#
 
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.42.0
+  stable_version=1.43.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2020-03-12
+  nightly_version=2020-04-23
 fi
 
 
@@ -51,6 +53,10 @@ export rust_nightly_docker_image=solanalabs/rust-nightly:"$nightly_version"
   nightly)
      rustup_install "$rust_nightly"
     ;;
+  all)
+     rustup_install "$rust_stable"
+     rustup_install "$rust_nightly"
+    ;;
   *)
     echo "Note: ignoring unknown argument: $1"
     ;;

ci/test-bench.sh

@@ -25,7 +25,7 @@ source ci/_
 source ci/upload-ci-artifact.sh
 
 eval "$(ci/channel-info.sh)"
-source ci/rust-version.sh nightly
+source ci/rust-version.sh all
 
 set -o pipefail
 export RUST_BACKTRACE=1

ci/test-checks.sh

@@ -22,7 +22,7 @@ _ cargo +"$rust_stable" clippy --all --exclude solana-sdk-c -- --deny=warnings
 _ cargo +"$rust_stable" clippy --manifest-path sdk-c/Cargo.toml -- --deny=warnings
 
 _ cargo +"$rust_stable" audit --version
-_ cargo +"$rust_stable" audit --ignore RUSTSEC-2020-0002 --ignore RUSTSEC-2020-0006
+_ cargo +"$rust_stable" audit --ignore RUSTSEC-2020-0002 --ignore RUSTSEC-2020-0008
 _ ci/nits.sh
 _ ci/order-crates-for-publishing.py
 _ docs/build.sh

ci/test-stable.sh

@@ -38,11 +38,16 @@ test -d target/release/bpf && find target/release/bpf -name '*.d' -delete
 # Clear the BPF sysroot files, they are not automatically rebuilt
 rm -rf target/xargo # Issue #3105
 
+# Limit compiler jobs to reduce memory usage
+# on machines with 1gb/thread of memory
+NPROC=$(nproc)
+NPROC=$((NPROC>16 ? 16 : NPROC))
+
 echo "Executing $testName"
 case $testName in
 test-stable)
-  _ cargo +"$rust_stable" test --all --exclude solana-local-cluster ${V:+--verbose} -- --nocapture
-  _ cargo +"$rust_stable" test --manifest-path bench-tps/Cargo.toml --features=move ${V:+--verbose} test_bench_tps_local_cluster_move -- --nocapture
+  _ cargo +"$rust_stable" test --jobs "$NPROC" --all --exclude solana-local-cluster ${V:+--verbose} -- --nocapture
+  #_ cargo +"$rust_stable" test --manifest-path bench-tps/Cargo.toml --features=move ${V:+--verbose} test_bench_tps_local_cluster_move -- --nocapture
   ;;
 test-stable-perf)
   ci/affects-files.sh \

clap-utils/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-clap-utils"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana utilities for the clap"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -11,8 +11,8 @@ edition = "2018"
 [dependencies]
 clap = "2.33.0"
 rpassword = "4.0"
-solana-remote-wallet = { path = "../remote-wallet", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
+solana-remote-wallet = { path = "../remote-wallet", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
 thiserror = "1.0.11"
 tiny-bip39 = "0.7.0"
 url = "2.1.0"
@@ -20,3 +20,6 @@ chrono = "0.4"
 
 [lib]
 name = "solana_clap_utils"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

clap-utils/src/commitment.rs

@@ -0,0 +1,17 @@
+use crate::ArgConstant;
+use clap::Arg;
+
+pub const COMMITMENT_ARG: ArgConstant<'static> = ArgConstant {
+    name: "commitment",
+    long: "commitment",
+    help: "Return information at the selected commitment level",
+};
+
+pub fn commitment_arg<'a, 'b>() -> Arg<'a, 'b> {
+    Arg::with_name(COMMITMENT_ARG.name)
+        .long(COMMITMENT_ARG.long)
+        .takes_value(true)
+        .possible_values(&["default", "max", "recent", "root"])
+        .value_name("COMMITMENT_LEVEL")
+        .help(COMMITMENT_ARG.help)
+}

clap-utils/src/input_parsers.rs

@@ -7,6 +7,7 @@ use clap::ArgMatches;
 use solana_remote_wallet::remote_wallet::RemoteWalletManager;
 use solana_sdk::{
     clock::UnixTimestamp,
+    commitment_config::CommitmentConfig,
     native_token::sol_to_lamports,
     pubkey::Pubkey,
     signature::{read_keypair_file, Keypair, Signature, Signer},
@@ -62,6 +63,21 @@ pub fn keypair_of(matches: &ArgMatches<'_>, name: &str) -> Option<Keypair> {
     }
 }
 
+pub fn keypairs_of(matches: &ArgMatches<'_>, name: &str) -> Option<Vec<Keypair>> {
+    matches.values_of(name).map(|values| {
+        values
+            .filter_map(|value| {
+                if value == ASK_KEYWORD {
+                    let skip_validation = matches.is_present(SKIP_SEED_PHRASE_VALIDATION_ARG.name);
+                    keypair_from_seed_phrase(name, skip_validation, true).ok()
+                } else {
+                    read_keypair_file(value).ok()
+                }
+            })
+            .collect()
+    })
+}
+
 // Return a pubkey for an argument that can itself be parsed into a pubkey,
 // or is a filename that can be read as a keypair
 pub fn pubkey_of(matches: &ArgMatches<'_>, name: &str) -> Option<Pubkey> {
@@ -101,7 +117,7 @@ pub fn pubkeys_sigs_of(matches: &ArgMatches<'_>, name: &str) -> Option<Vec<(Pubk
 pub fn signer_of(
     matches: &ArgMatches<'_>,
     name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<(Option<Box<dyn Signer>>, Option<Pubkey>), Box<dyn std::error::Error>> {
     if let Some(location) = matches.value_of(name) {
         let signer = signer_from_path(matches, location, name, wallet_manager)?;
@@ -115,7 +131,7 @@ pub fn signer_of(
 pub fn pubkey_of_signer(
     matches: &ArgMatches<'_>,
     name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Option<Pubkey>, Box<dyn std::error::Error>> {
     if let Some(location) = matches.value_of(name) {
         Ok(Some(pubkey_from_path(
@@ -132,7 +148,7 @@ pub fn pubkey_of_signer(
 pub fn pubkeys_of_multiple_signers(
     matches: &ArgMatches<'_>,
     name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Option<Vec<Pubkey>>, Box<dyn std::error::Error>> {
     if let Some(pubkey_matches) = matches.values_of(name) {
         let mut pubkeys: Vec<Pubkey> = vec![];
@@ -148,7 +164,7 @@ pub fn pubkeys_of_multiple_signers(
 pub fn resolve_signer(
     matches: &ArgMatches<'_>,
     name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Option<String>, Box<dyn std::error::Error>> {
     Ok(resolve_signer_from_path(
         matches,
@@ -162,6 +178,15 @@ pub fn lamports_of_sol(matches: &ArgMatches<'_>, name: &str) -> Option<u64> {
     value_of(matches, name).map(sol_to_lamports)
 }
 
+pub fn commitment_of(matches: &ArgMatches<'_>, name: &str) -> Option<CommitmentConfig> {
+    matches.value_of(name).map(|value| match value {
+        "max" => CommitmentConfig::max(),
+        "recent" => CommitmentConfig::recent(),
+        "root" => CommitmentConfig::root(),
+        _ => CommitmentConfig::default(),
+    })
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

clap-utils/src/keypair.rs

@@ -8,7 +8,7 @@ use clap::ArgMatches;
 use rpassword::prompt_password_stderr;
 use solana_remote_wallet::{
     remote_keypair::generate_remote_keypair,
-    remote_wallet::{RemoteWalletError, RemoteWalletManager},
+    remote_wallet::{maybe_wallet_manager, RemoteWalletError, RemoteWalletManager},
 };
 use solana_sdk::{
     pubkey::Pubkey,
@@ -64,7 +64,7 @@ pub fn signer_from_path(
     matches: &ArgMatches,
     path: &str,
     keypair_name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Box<dyn Signer>, Box<dyn error::Error>> {
     match parse_keypair_path(path) {
         KeypairUrl::Ask => {
@@ -88,6 +88,9 @@ pub fn signer_from_path(
             Ok(Box::new(read_keypair(&mut stdin)?))
         }
         KeypairUrl::Usb(path) => {
+            if wallet_manager.is_none() {
+                *wallet_manager = maybe_wallet_manager()?;
+            }
             if let Some(wallet_manager) = wallet_manager {
                 Ok(Box::new(generate_remote_keypair(
                     path,
@@ -122,7 +125,7 @@ pub fn pubkey_from_path(
     matches: &ArgMatches,
     path: &str,
     keypair_name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Pubkey, Box<dyn error::Error>> {
     match parse_keypair_path(path) {
         KeypairUrl::Pubkey(pubkey) => Ok(pubkey),
@@ -134,7 +137,7 @@ pub fn resolve_signer_from_path(
     matches: &ArgMatches,
     path: &str,
     keypair_name: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<Option<String>, Box<dyn error::Error>> {
     match parse_keypair_path(path) {
         KeypairUrl::Ask => {
@@ -158,6 +161,9 @@ pub fn resolve_signer_from_path(
             read_keypair(&mut stdin).map(|_| None)
         }
         KeypairUrl::Usb(path) => {
+            if wallet_manager.is_none() {
+                *wallet_manager = maybe_wallet_manager()?;
+            }
             if let Some(wallet_manager) = wallet_manager {
                 let path = generate_remote_keypair(
                     path,

clap-utils/src/lib.rs

@@ -42,6 +42,7 @@ impl std::fmt::Debug for DisplayError {
     }
 }
 
+pub mod commitment;
 pub mod input_parsers;
 pub mod input_validators;
 pub mod keypair;

cli-config/Cargo.toml

@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-cli-config"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -15,3 +15,6 @@ serde = "1.0.105"
 serde_derive = "1.0.103"
 serde_yaml = "0.8.11"
 url = "2.1.1"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

cli-config/src/config.rs

@@ -26,7 +26,7 @@ impl Default for Config {
             keypair_path.extend(&[".config", "solana", "id.json"]);
             keypair_path.to_str().unwrap().to_string()
         };
-        let json_rpc_url = "http://127.0.0.1:8899".to_string();
+        let json_rpc_url = "https://api.mainnet-beta.solana.com".to_string();
 
         // Empty websocket_url string indicates the client should
         // `Config::compute_websocket_url(&json_rpc_url)`
@@ -60,17 +60,38 @@ impl Config {
         ws_url
             .set_scheme(if is_secure { "wss" } else { "ws" })
             .expect("unable to set scheme");
-        let ws_port = match json_rpc_url.port() {
-            Some(port) => port + 1,
-            None => {
-                if is_secure {
-                    8901
-                } else {
-                    8900
-                }
-            }
-        };
-        ws_url.set_port(Some(ws_port)).expect("unable to set port");
+        if let Some(port) = json_rpc_url.port() {
+            ws_url.set_port(Some(port + 1)).expect("unable to set port");
+        }
         ws_url.to_string()
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn compute_websocket_url() {
+        assert_eq!(
+            Config::compute_websocket_url(&"http://devnet.solana.com"),
+            "ws://devnet.solana.com/".to_string()
+        );
+
+        assert_eq!(
+            Config::compute_websocket_url(&"https://devnet.solana.com"),
+            "wss://devnet.solana.com/".to_string()
+        );
+
+        assert_eq!(
+            Config::compute_websocket_url(&"http://example.com:8899"),
+            "ws://example.com:8900/".to_string()
+        );
+        assert_eq!(
+            Config::compute_websocket_url(&"https://example.com:1234"),
+            "wss://example.com:1235/".to_string()
+        );
+
+        assert_eq!(Config::compute_websocket_url(&"garbage"), String::new());
+    }
+}

cli/Cargo.toml

@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-cli"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.1.0"
+version = "1.1.8"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -18,6 +18,7 @@ ctrlc = { version = "3.1.4", features = ["termination"] }
 console = "0.10.0"
 dirs = "2.0.2"
 log = "0.4.8"
+Inflector = "0.11.4"
 indicatif = "0.14.0"
 humantime = "2.0.0"
 num-traits = "0.2"
@@ -26,30 +27,33 @@ reqwest = { version = "0.10.4", default-features = false, features = ["blocking"
 serde = "1.0.105"
 serde_derive = "1.0.103"
 serde_json = "1.0.48"
-solana-budget-program = { path = "../programs/budget", version = "1.1.0" }
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-cli-config = { path = "../cli-config", version = "1.1.0" }
-solana-client = { path = "../client", version = "1.1.0" }
-solana-config-program = { path = "../programs/config", version = "1.1.0" }
-solana-faucet = { path = "../faucet", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-remote-wallet = { path = "../remote-wallet", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-solana-stake-program = { path = "../programs/stake", version = "1.1.0" }
-solana-storage-program = { path = "../programs/storage", version = "1.1.0" }
-solana-vote-program = { path = "../programs/vote", version = "1.1.0" }
-solana-vote-signer = { path = "../vote-signer", version = "1.1.0" }
-titlecase = "1.1.0"
+solana-budget-program = { path = "../programs/budget", version = "1.1.8" }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-cli-config = { path = "../cli-config", version = "1.1.8" }
+solana-client = { path = "../client", version = "1.1.8" }
+solana-config-program = { path = "../programs/config", version = "1.1.8" }
+solana-faucet = { path = "../faucet", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-remote-wallet = { path = "../remote-wallet", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+solana-stake-program = { path = "../programs/stake", version = "1.1.8" }
+solana-storage-program = { path = "../programs/storage", version = "1.1.8" }
+solana-transaction-status = { path = "../transaction-status", version = "1.1.8" }
+solana-vote-program = { path = "../programs/vote", version = "1.1.8" }
+solana-vote-signer = { path = "../vote-signer", version = "1.1.8" }
 thiserror = "1.0.13"
 url = "2.1.1"
 
 [dev-dependencies]
-solana-core = { path = "../core", version = "1.1.0" }
-solana-budget-program = { path = "../programs/budget", version = "1.1.0" }
+solana-core = { path = "../core", version = "1.1.8" }
+solana-budget-program = { path = "../programs/budget", version = "1.1.8" }
 tempfile = "3.1.0"
 
 [[bin]]
 name = "solana"
 path = "src/main.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

cli/src/cli.rs

@@ -1,4 +1,5 @@
 use crate::{
+    cli_output::{CliAccount, OutputFormat},
     cluster_query::*,
     display::{println_name_value, println_signers},
     nonce::{self, *},
@@ -21,6 +22,7 @@ use solana_clap_utils::{
 use solana_client::{
     client_error::{ClientErrorKind, Result as ClientResult},
     rpc_client::RpcClient,
+    rpc_response::{RpcAccount, RpcKeyedAccount},
 };
 #[cfg(not(test))]
 use solana_faucet::faucet::request_airdrop_transaction;
@@ -49,6 +51,7 @@ use solana_stake_program::{
     stake_state::{Lockup, StakeAuthorize},
 };
 use solana_storage_program::storage_instruction::StorageAccountType;
+use solana_transaction_status::{EncodedTransaction, TransactionEncoding};
 use solana_vote_program::vote_state::VoteAuthorize;
 use std::{
     error,
@@ -84,7 +87,7 @@ pub(crate) fn generate_unique_signers(
     bulk_signers: Vec<Option<Box<dyn Signer>>>,
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliSignerInfo, Box<dyn error::Error>> {
     let mut unique_signers = vec![];
 
@@ -173,6 +176,8 @@ pub enum CliCommand {
     Catchup {
         node_pubkey: Pubkey,
         node_json_rpc_url: Option<String>,
+        commitment_config: CommitmentConfig,
+        follow: bool,
     },
     ClusterVersion,
     CreateAddressWithSeed {
@@ -188,6 +193,9 @@ pub enum CliCommand {
         commitment_config: CommitmentConfig,
     },
     GetGenesisHash,
+    GetEpoch {
+        commitment_config: CommitmentConfig,
+    },
     GetSlot {
         commitment_config: CommitmentConfig,
     },
@@ -219,6 +227,11 @@ pub enum CliCommand {
         use_lamports_unit: bool,
         commitment_config: CommitmentConfig,
     },
+    TransactionHistory {
+        address: Pubkey,
+        end_slot: Option<Slot>, // None == latest slot
+        slot_limit: u64,
+    },
     // Nonce commands
     AuthorizeNonceAccount {
         nonce_account: Pubkey,
@@ -326,6 +339,7 @@ pub enum CliCommand {
         destination_account_pubkey: Pubkey,
         lamports: u64,
         withdraw_authority: SignerIndex,
+        custodian: Option<SignerIndex>,
         sign_only: bool,
         blockhash_query: BlockhashQuery,
         nonce_account: Option<Pubkey>,
@@ -392,6 +406,7 @@ pub enum CliCommand {
     },
     Cancel(Pubkey),
     Confirm(Signature),
+    DecodeTransaction(Transaction),
     Pay(PayCommand),
     ResolveSigner(Option<String>),
     ShowAccount {
@@ -405,6 +420,7 @@ pub enum CliCommand {
         to: Pubkey,
         from: SignerIndex,
         sign_only: bool,
+        no_wait: bool,
         blockhash_query: BlockhashQuery,
         nonce_account: Option<Pubkey>,
         nonce_authority: SignerIndex,
@@ -466,6 +482,7 @@ pub struct CliConfig<'a> {
     pub keypair_path: String,
     pub rpc_client: Option<RpcClient>,
     pub verbose: bool,
+    pub output_format: OutputFormat,
 }
 
 impl CliConfig<'_> {
@@ -537,7 +554,7 @@ impl CliConfig<'_> {
         if !self.signers.is_empty() {
             self.signers[0].try_pubkey()
         } else {
-            Err(SignerError::CustomError(
+            Err(SignerError::Custom(
                 "Default keypair must be set if pubkey arg not provided".to_string(),
             ))
         }
@@ -557,6 +574,7 @@ impl Default for CliConfig<'_> {
             keypair_path: Self::default_keypair_path(),
             rpc_client: None,
             verbose: false,
+            output_format: OutputFormat::Display,
         }
     }
 }
@@ -564,7 +582,7 @@ impl Default for CliConfig<'_> {
 pub fn parse_command(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, Box<dyn error::Error>> {
     let response = match matches.subcommand() {
         // Cluster Query Commands
@@ -586,6 +604,7 @@ pub fn parse_command(
             command: CliCommand::GetGenesisHash,
             signers: vec![],
         }),
+        ("epoch", Some(matches)) => parse_get_epoch(matches),
         ("slot", Some(matches)) => parse_get_slot(matches),
         ("total-supply", Some(matches)) => parse_total_supply(matches),
         ("transaction-count", Some(matches)) => parse_get_transaction_count(matches),
@@ -605,6 +624,9 @@ pub fn parse_command(
         }),
         ("stakes", Some(matches)) => parse_show_stakes(matches, wallet_manager),
         ("validators", Some(matches)) => parse_show_validators(matches),
+        ("transaction-history", Some(matches)) => {
+            parse_transaction_history(matches, wallet_manager)
+        }
         // Nonce Commands
         ("authorize-nonce-account", Some(matches)) => {
             parse_authorize_nonce_account(matches, default_signer_path, wallet_manager)
@@ -787,11 +809,23 @@ pub fn parse_command(
                 command: CliCommand::Confirm(signature),
                 signers: vec![],
             }),
-            _ => {
-                eprintln!("{}", matches.usage());
-                Err(CliError::BadParameter("Invalid signature".to_string()))
-            }
+            _ => Err(CliError::BadParameter("Invalid signature".to_string())),
         },
+        ("decode-transaction", Some(matches)) => {
+            let encoded_transaction = EncodedTransaction::Binary(
+                matches.value_of("base85_transaction").unwrap().to_string(),
+            );
+            if let Some(transaction) = encoded_transaction.decode() {
+                Ok(CliCommandInfo {
+                    command: CliCommand::DecodeTransaction(transaction),
+                    signers: vec![],
+                })
+            } else {
+                Err(CliError::BadParameter(
+                    "Unable to decode transaction".to_string(),
+                ))
+            }
+        }
         ("pay", Some(matches)) => {
             let lamports = lamports_of_sol(matches, "amount").unwrap();
             let to = pubkey_of_signer(matches, "to", wallet_manager)?.unwrap();
@@ -902,6 +936,7 @@ pub fn parse_command(
             let lamports = lamports_of_sol(matches, "amount").unwrap();
             let to = pubkey_of_signer(matches, "to", wallet_manager)?.unwrap();
             let sign_only = matches.is_present(SIGN_ONLY_ARG.name);
+            let no_wait = matches.is_present("no_wait");
             let blockhash_query = BlockhashQuery::new_from_matches(matches);
             let nonce_account = pubkey_of_signer(matches, NONCE_ARG.name, wallet_manager)?;
             let (nonce_authority, nonce_authority_pubkey) =
@@ -927,6 +962,7 @@ pub fn parse_command(
                     lamports,
                     to,
                     sign_only,
+                    no_wait,
                     blockhash_query,
                     nonce_account,
                     nonce_authority: signer_info.index_of(nonce_authority_pubkey).unwrap(),
@@ -1041,7 +1077,7 @@ pub fn return_signers(tx: &Transaction) -> ProcessResult {
 pub fn parse_create_address_with_seed(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let from_pubkey = pubkey_of_signer(matches, "from", wallet_manager)?;
     let signers = if from_pubkey.is_some() {
@@ -1152,13 +1188,47 @@ fn process_balance(
     }
 }
 
-fn process_confirm(rpc_client: &RpcClient, signature: &Signature) -> ProcessResult {
-    match rpc_client.get_signature_status(&signature) {
+fn process_confirm(
+    rpc_client: &RpcClient,
+    config: &CliConfig,
+    signature: &Signature,
+) -> ProcessResult {
+    match rpc_client.get_signature_status_with_commitment_and_history(
+        &signature,
+        CommitmentConfig::max(),
+        true,
+    ) {
         Ok(status) => {
-            if let Some(result) = status {
-                match result {
+            if let Some(transaction_status) = status {
+                if config.verbose {
+                    match rpc_client
+                        .get_confirmed_transaction(signature, TransactionEncoding::Binary)
+                    {
+                        Ok(confirmed_transaction) => {
+                            println!(
+                                "\nTransaction executed in slot {}:",
+                                confirmed_transaction.slot
+                            );
+                            crate::display::println_transaction(
+                                &confirmed_transaction
+                                    .transaction
+                                    .transaction
+                                    .decode()
+                                    .expect("Successful decode"),
+                                &confirmed_transaction.transaction.meta,
+                                "  ",
+                            );
+                        }
+                        Err(err) => {
+                            println!("Unable to get confirmed transaction details: {}", err)
+                        }
+                    }
+                    println!();
+                }
+
+                match transaction_status {
                     Ok(_) => Ok("Confirmed".to_string()),
-                    Err(err) => Ok(format!("Transaction failed with error: {}", err)),
+                    Err(err) => Ok(format!("Transaction failed: {}", err)),
                 }
             } else {
                 Ok("Not found".to_string())
@@ -1168,33 +1238,40 @@ fn process_confirm(rpc_client: &RpcClient, signature: &Signature) -> ProcessResu
     }
 }
 
+fn process_decode_transaction(transaction: &Transaction) -> ProcessResult {
+    crate::display::println_transaction(transaction, &None, "");
+    Ok("".to_string())
+}
+
 fn process_show_account(
     rpc_client: &RpcClient,
-    _config: &CliConfig,
+    config: &CliConfig,
     account_pubkey: &Pubkey,
     output_file: &Option<String>,
     use_lamports_unit: bool,
 ) -> ProcessResult {
     let account = rpc_client.get_account(account_pubkey)?;
+    let data = account.data.clone();
+    let cli_account = CliAccount {
+        keyed_account: RpcKeyedAccount {
+            pubkey: account_pubkey.to_string(),
+            account: RpcAccount::encode(account),
+        },
+        use_lamports_unit,
+    };
 
-    println!();
-    println_name_value("Public Key:", &account_pubkey.to_string());
-    println_name_value(
-        "Balance:",
-        &build_balance_message(account.lamports, use_lamports_unit, true),
-    );
-    println_name_value("Owner:", &account.owner.to_string());
-    println_name_value("Executable:", &account.executable.to_string());
-    println_name_value("Rent Epoch:", &account.rent_epoch.to_string());
+    config.output_format.formatted_print(&cli_account);
 
-    if let Some(output_file) = output_file {
-        let mut f = File::create(output_file)?;
-        f.write_all(&account.data)?;
-        println!();
-        println!("Wrote account data to {}", output_file);
-    } else if !account.data.is_empty() {
-        use pretty_hex::*;
-        println!("{:?}", account.data.hex_dump());
+    if config.output_format == OutputFormat::Display {
+        if let Some(output_file) = output_file {
+            let mut f = File::create(output_file)?;
+            f.write_all(&data)?;
+            println!();
+            println!("Wrote account data to {}", output_file);
+        } else if !data.is_empty() {
+            use pretty_hex::*;
+            println!("{:?}", data.hex_dump());
+        }
     }
 
     Ok("".to_string())
@@ -1272,8 +1349,8 @@ fn process_deploy(
     trace!("Finalizing program account");
     rpc_client
         .send_and_confirm_transaction_with_spinner(&mut finalize_tx, &signers)
-        .map_err(|_| {
-            CliError::DynamicProgramError("Program finalize transaction failed".to_string())
+        .map_err(|e| {
+            CliError::DynamicProgramError(format!("Program finalize transaction failed: {}", e))
         })?;
 
     Ok(json!({
@@ -1488,6 +1565,7 @@ fn process_transfer(
     to: &Pubkey,
     from: SignerIndex,
     sign_only: bool,
+    no_wait: bool,
     blockhash_query: &BlockhashQuery,
     nonce_account: Option<&Pubkey>,
     nonce_authority: SignerIndex,
@@ -1534,7 +1612,11 @@ fn process_transfer(
             &fee_calculator,
             &tx.message,
         )?;
-        let result = rpc_client.send_and_confirm_transaction_with_spinner(&mut tx, &config.signers);
+        let result = if no_wait {
+            rpc_client.send_transaction(&tx)
+        } else {
+            rpc_client.send_and_confirm_transaction_with_spinner(&mut tx, &config.signers)
+        };
         log_instruction_custom_error::<SystemError>(result)
     }
 }
@@ -1563,7 +1645,7 @@ fn process_witness(
 }
 
 pub fn process_command(config: &CliConfig) -> ProcessResult {
-    if config.verbose {
+    if config.verbose && config.output_format == OutputFormat::Display {
         println_name_value("RPC URL:", &config.json_rpc_url);
         println_name_value("Default Signer Path:", &config.keypair_path);
         if config.keypair_path.starts_with("usb://") {
@@ -1589,7 +1671,15 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
         CliCommand::Catchup {
             node_pubkey,
             node_json_rpc_url,
-        } => process_catchup(&rpc_client, node_pubkey, node_json_rpc_url),
+            commitment_config,
+            follow,
+        } => process_catchup(
+            &rpc_client,
+            node_pubkey,
+            node_json_rpc_url,
+            *commitment_config,
+            *follow,
+        ),
         CliCommand::ClusterVersion => process_cluster_version(&rpc_client),
         CliCommand::CreateAddressWithSeed {
             from_pubkey,
@@ -1600,7 +1690,10 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
         CliCommand::GetBlockTime { slot } => process_get_block_time(&rpc_client, *slot),
         CliCommand::GetGenesisHash => process_get_genesis_hash(&rpc_client),
         CliCommand::GetEpochInfo { commitment_config } => {
-            process_get_epoch_info(&rpc_client, *commitment_config)
+            process_get_epoch_info(&rpc_client, config, *commitment_config)
+        }
+        CliCommand::GetEpoch { commitment_config } => {
+            process_get_epoch(&rpc_client, *commitment_config)
         }
         CliCommand::GetSlot { commitment_config } => {
             process_get_slot(&rpc_client, *commitment_config)
@@ -1637,13 +1730,19 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
             vote_account_pubkeys,
         } => process_show_stakes(
             &rpc_client,
+            config,
             *use_lamports_unit,
             vote_account_pubkeys.as_deref(),
         ),
         CliCommand::ShowValidators {
             use_lamports_unit,
             commitment_config,
-        } => process_show_validators(&rpc_client, *use_lamports_unit, *commitment_config),
+        } => process_show_validators(&rpc_client, config, *use_lamports_unit, *commitment_config),
+        CliCommand::TransactionHistory {
+            address,
+            end_slot,
+            slot_limit,
+        } => process_transaction_history(&rpc_client, address, *end_slot, *slot_limit),
 
         // Nonce Commands
 
@@ -1686,7 +1785,12 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
         CliCommand::ShowNonceAccount {
             nonce_account_pubkey,
             use_lamports_unit,
-        } => process_show_nonce_account(&rpc_client, &nonce_account_pubkey, *use_lamports_unit),
+        } => process_show_nonce_account(
+            &rpc_client,
+            config,
+            &nonce_account_pubkey,
+            *use_lamports_unit,
+        ),
         // Withdraw lamports from a nonce account
         CliCommand::WithdrawFromNonceAccount {
             nonce_account,
@@ -1865,6 +1969,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
             destination_account_pubkey,
             lamports,
             withdraw_authority,
+            custodian,
             sign_only,
             blockhash_query,
             ref nonce_account,
@@ -1877,6 +1982,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
             &destination_account_pubkey,
             *lamports,
             *withdraw_authority,
+            *custodian,
             *sign_only,
             blockhash_query,
             nonce_account.as_ref(),
@@ -1915,7 +2021,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
 
         // Return all or single validator info
         CliCommand::GetValidatorInfo(info_pubkey) => {
-            process_get_validator_info(&rpc_client, *info_pubkey)
+            process_get_validator_info(&rpc_client, config, *info_pubkey)
         }
         // Publish validator info
         CliCommand::SetValidatorInfo {
@@ -2026,7 +2132,8 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
         // Cancel a contract by contract Pubkey
         CliCommand::Cancel(pubkey) => process_cancel(&rpc_client, config, &pubkey),
         // Confirm the last client transaction by signature
-        CliCommand::Confirm(signature) => process_confirm(&rpc_client, signature),
+        CliCommand::Confirm(signature) => process_confirm(&rpc_client, config, signature),
+        CliCommand::DecodeTransaction(transaction) => process_decode_transaction(transaction),
         // If client has positive balance, pay lamports to another address
         CliCommand::Pay(PayCommand {
             lamports,
@@ -2080,6 +2187,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
             to,
             from,
             sign_only,
+            no_wait,
             ref blockhash_query,
             ref nonce_account,
             nonce_authority,
@@ -2091,6 +2199,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
             to,
             *from,
             *sign_only,
+            *no_wait,
             blockhash_query,
             nonce_account.as_ref(),
             *nonce_authority,
@@ -2173,7 +2282,7 @@ where
         Err(err) => {
             if let ClientErrorKind::TransactionError(TransactionError::InstructionError(
                 _,
-                InstructionError::CustomError(code),
+                InstructionError::Custom(code),
             )) = err.kind()
             {
                 if let Some(specific_error) = E::decode_custom_error_to_enum(*code) {
@@ -2306,6 +2415,18 @@ pub fn app<'ab, 'v>(name: &str, about: &'ab str, version: &'v str) -> App<'ab, '
                         .help("The transaction signature to confirm"),
                 ),
         )
+        .subcommand(
+            SubCommand::with_name("decode-transaction")
+                .about("Decode a base-85 binary transaction")
+                .arg(
+                    Arg::with_name("base85_transaction")
+                        .index(1)
+                        .value_name("BASE58_TRANSACTION")
+                        .takes_value(true)
+                        .required(true)
+                        .help("The transaction to decode"),
+                ),
+        )
         .subcommand(
             SubCommand::with_name("create-address-with-seed")
                 .about("Generate a derived account address with a seed")
@@ -2497,6 +2618,12 @@ pub fn app<'ab, 'v>(name: &str, about: &'ab str, version: &'v str) -> App<'ab, '
                         .validator(is_valid_signer)
                         .help("Source account of funds (if different from client local account)"),
                 )
+                .arg(
+                    Arg::with_name("no_wait")
+                        .long("no-wait")
+                        .takes_value(false)
+                        .help("Return signature immediately after submitting the transaction, instead of waiting for confirmations"),
+                )
                 .offline_args()
                 .arg(nonce_arg())
                 .arg(nonce_authority_arg())
@@ -2517,7 +2644,7 @@ pub fn app<'ab, 'v>(name: &str, about: &'ab str, version: &'v str) -> App<'ab, '
                 )
                 .arg(
                     Arg::with_name("output_file")
-                        .long("output")
+                        .long("output-file")
                         .short("o")
                         .value_name("FILEPATH")
                         .takes_value(true)
@@ -2571,11 +2698,11 @@ mod tests {
         write_keypair_file(&default_keypair, &default_keypair_file).unwrap();
 
         let signer_info =
-            generate_unique_signers(vec![], &matches, &default_keypair_file, None).unwrap();
+            generate_unique_signers(vec![], &matches, &default_keypair_file, &mut None).unwrap();
         assert_eq!(signer_info.signers.len(), 0);
 
         let signer_info =
-            generate_unique_signers(vec![None, None], &matches, &default_keypair_file, None)
+            generate_unique_signers(vec![None, None], &matches, &default_keypair_file, &mut None)
                 .unwrap();
         assert_eq!(signer_info.signers.len(), 1);
         assert_eq!(signer_info.index_of(None), Some(0));
@@ -2587,7 +2714,7 @@ mod tests {
         let keypair0_clone_pubkey = keypair0.pubkey();
         let signers = vec![None, Some(keypair0.into()), Some(keypair0_clone.into())];
         let signer_info =
-            generate_unique_signers(signers, &matches, &default_keypair_file, None).unwrap();
+            generate_unique_signers(signers, &matches, &default_keypair_file, &mut None).unwrap();
         assert_eq!(signer_info.signers.len(), 2);
         assert_eq!(signer_info.index_of(None), Some(0));
         assert_eq!(signer_info.index_of(Some(keypair0_pubkey)), Some(1));
@@ -2598,7 +2725,7 @@ mod tests {
         let keypair0_clone = keypair_from_seed(&[1u8; 32]).unwrap();
         let signers = vec![Some(keypair0.into()), Some(keypair0_clone.into())];
         let signer_info =
-            generate_unique_signers(signers, &matches, &default_keypair_file, None).unwrap();
+            generate_unique_signers(signers, &matches, &default_keypair_file, &mut None).unwrap();
         assert_eq!(signer_info.signers.len(), 1);
         assert_eq!(signer_info.index_of(Some(keypair0_pubkey)), Some(0));
 
@@ -2619,7 +2746,7 @@ mod tests {
             Some(keypair1.into()),
         ];
         let signer_info =
-            generate_unique_signers(signers, &matches, &default_keypair_file, None).unwrap();
+            generate_unique_signers(signers, &matches, &default_keypair_file, &mut None).unwrap();
         assert_eq!(signer_info.signers.len(), 2);
         assert_eq!(signer_info.index_of(Some(keypair0_pubkey)), Some(0));
         assert_eq!(signer_info.index_of(Some(keypair1_pubkey)), Some(1));
@@ -2645,7 +2772,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "airdrop", "50", &pubkey_string]);
         assert_eq!(
-            parse_command(&test_airdrop, "", None).unwrap(),
+            parse_command(&test_airdrop, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Airdrop {
                     faucet_host: None,
@@ -2668,7 +2795,7 @@ mod tests {
             &keypair.pubkey().to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_balance, "", None).unwrap(),
+            parse_command(&test_balance, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Balance {
                     pubkey: Some(keypair.pubkey()),
@@ -2684,7 +2811,7 @@ mod tests {
             "--lamports",
         ]);
         assert_eq!(
-            parse_command(&test_balance, "", None).unwrap(),
+            parse_command(&test_balance, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Balance {
                     pubkey: Some(keypair.pubkey()),
@@ -2698,7 +2825,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "balance", "--lamports"]);
         assert_eq!(
-            parse_command(&test_balance, &keypair_file, None).unwrap(),
+            parse_command(&test_balance, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Balance {
                     pubkey: None,
@@ -2714,7 +2841,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "cancel", &pubkey_string]);
         assert_eq!(
-            parse_command(&test_cancel, &keypair_file, None).unwrap(),
+            parse_command(&test_cancel, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Cancel(pubkey),
                 signers: vec![read_keypair_file(&keypair_file).unwrap().into()],
@@ -2729,7 +2856,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "confirm", &signature_string]);
         assert_eq!(
-            parse_command(&test_confirm, "", None).unwrap(),
+            parse_command(&test_confirm, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Confirm(signature),
                 signers: vec![],
@@ -2738,7 +2865,7 @@ mod tests {
         let test_bad_signature = test_commands
             .clone()
             .get_matches_from(vec!["test", "confirm", "deadbeef"]);
-        assert!(parse_command(&test_bad_signature, "", None).is_err());
+        assert!(parse_command(&test_bad_signature, "", &mut None).is_err());
 
         // Test CreateAddressWithSeed
         let from_pubkey = Some(Pubkey::new_rand());
@@ -2758,7 +2885,7 @@ mod tests {
                 &from_str,
             ]);
             assert_eq!(
-                parse_command(&test_create_address_with_seed, "", None).unwrap(),
+                parse_command(&test_create_address_with_seed, "", &mut None).unwrap(),
                 CliCommandInfo {
                     command: CliCommand::CreateAddressWithSeed {
                         from_pubkey,
@@ -2776,7 +2903,7 @@ mod tests {
             "STAKE",
         ]);
         assert_eq!(
-            parse_command(&test_create_address_with_seed, &keypair_file, None).unwrap(),
+            parse_command(&test_create_address_with_seed, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateAddressWithSeed {
                     from_pubkey: None,
@@ -2793,7 +2920,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "deploy", "/Users/test/program.o"]);
         assert_eq!(
-            parse_command(&test_deploy, &keypair_file, None).unwrap(),
+            parse_command(&test_deploy, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Deploy("/Users/test/program.o".to_string()),
                 signers: vec![read_keypair_file(&keypair_file).unwrap().into()],
@@ -2806,7 +2933,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "resolve-signer", &keypair_file]);
         assert_eq!(
-            parse_command(&test_resolve_signer, "", None).unwrap(),
+            parse_command(&test_resolve_signer, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::ResolveSigner(Some(keypair_file.clone())),
                 signers: vec![],
@@ -2818,7 +2945,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "resolve-signer", &pubkey_string]);
         assert_eq!(
-            parse_command(&test_resolve_signer, "", None).unwrap(),
+            parse_command(&test_resolve_signer, "", &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::ResolveSigner(Some(pubkey.to_string())),
                 signers: vec![],
@@ -2831,7 +2958,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "pay", &pubkey_string, "50"]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2854,7 +2981,7 @@ mod tests {
             &witness1_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay_multiple_witnesses, &keypair_file, None).unwrap(),
+            parse_command(&test_pay_multiple_witnesses, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2874,7 +3001,7 @@ mod tests {
             &witness0_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay_single_witness, &keypair_file, None).unwrap(),
+            parse_command(&test_pay_single_witness, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2898,7 +3025,7 @@ mod tests {
             &witness0_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay_timestamp, &keypair_file, None).unwrap(),
+            parse_command(&test_pay_timestamp, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2924,7 +3051,7 @@ mod tests {
             "--sign-only",
         ]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2947,7 +3074,7 @@ mod tests {
             &blockhash_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -2976,7 +3103,7 @@ mod tests {
             &pubkey_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -3009,7 +3136,7 @@ mod tests {
             &keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -3047,7 +3174,7 @@ mod tests {
             &signer_arg,
         ]);
         assert_eq!(
-            parse_command(&test_pay, &keypair_file, None).unwrap(),
+            parse_command(&test_pay, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -3085,7 +3212,7 @@ mod tests {
             "--signer",
             &signer_arg,
         ]);
-        assert!(parse_command(&test_pay, &keypair_file, None).is_err());
+        assert!(parse_command(&test_pay, &keypair_file, &mut None).is_err());
 
         // Test Send-Signature Subcommand
         let test_send_signature = test_commands.clone().get_matches_from(vec![
@@ -3095,7 +3222,7 @@ mod tests {
             &pubkey_string,
         ]);
         assert_eq!(
-            parse_command(&test_send_signature, &keypair_file, None).unwrap(),
+            parse_command(&test_send_signature, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Witness(pubkey, pubkey),
                 signers: vec![read_keypair_file(&keypair_file).unwrap().into()],
@@ -3116,7 +3243,7 @@ mod tests {
             &witness1_string,
         ]);
         assert_eq!(
-            parse_command(&test_pay_multiple_witnesses, &keypair_file, None).unwrap(),
+            parse_command(&test_pay_multiple_witnesses, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Pay(PayCommand {
                     lamports: 50_000_000_000,
@@ -3140,7 +3267,7 @@ mod tests {
             "2018-09-19T17:30:59",
         ]);
         assert_eq!(
-            parse_command(&test_send_timestamp, &keypair_file, None).unwrap(),
+            parse_command(&test_send_timestamp, &keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::TimeElapsed(pubkey, pubkey, dt),
                 signers: vec![read_keypair_file(&keypair_file).unwrap().into()],
@@ -3154,7 +3281,7 @@ mod tests {
             "--date",
             "20180919T17:30:59",
         ]);
-        assert!(parse_command(&test_bad_timestamp, &keypair_file, None).is_err());
+        assert!(parse_command(&test_bad_timestamp, &keypair_file, &mut None).is_err());
     }
 
     #[test]
@@ -3183,7 +3310,7 @@ mod tests {
 
         let process_id = Pubkey::new_rand();
         config.command = CliCommand::Cancel(process_id);
-        assert_eq!(process_command(&config).unwrap(), SIGNATURE);
+        assert!(process_command(&config).is_ok());
 
         let good_signature = Signature::new(&bs58::decode(SIGNATURE).into_vec().unwrap());
         config.command = CliCommand::Confirm(good_signature);
@@ -3200,8 +3327,8 @@ mod tests {
             commission: 0,
         };
         config.signers = vec![&keypair, &bob_keypair, &identity_keypair];
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let new_authorized_pubkey = Pubkey::new_rand();
         config.signers = vec![&bob_keypair];
@@ -3210,8 +3337,8 @@ mod tests {
             new_authorized_pubkey,
             vote_authorize: VoteAuthorize::Voter,
         };
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let new_identity_keypair = Keypair::new();
         config.signers = vec![&keypair, &bob_keypair, &new_identity_keypair];
@@ -3219,8 +3346,8 @@ mod tests {
             vote_account_pubkey: bob_pubkey,
             new_identity_account: 2,
         };
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let bob_keypair = Keypair::new();
         let bob_pubkey = bob_keypair.pubkey();
@@ -3244,8 +3371,8 @@ mod tests {
             from: 0,
         };
         config.signers = vec![&keypair, &bob_keypair];
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let stake_pubkey = Pubkey::new_rand();
         let to_pubkey = Pubkey::new_rand();
@@ -3254,6 +3381,7 @@ mod tests {
             destination_account_pubkey: to_pubkey,
             lamports: 100,
             withdraw_authority: 0,
+            custodian: None,
             sign_only: false,
             blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
             nonce_account: None,
@@ -3261,8 +3389,8 @@ mod tests {
             fee_payer: 0,
         };
         config.signers = vec![&keypair];
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let stake_pubkey = Pubkey::new_rand();
         config.command = CliCommand::DeactivateStake {
@@ -3274,8 +3402,8 @@ mod tests {
             nonce_authority: 0,
             fee_payer: 0,
         };
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let stake_pubkey = Pubkey::new_rand();
         let split_stake_account = Keypair::new();
@@ -3292,8 +3420,8 @@ mod tests {
             fee_payer: 0,
         };
         config.signers = vec![&keypair, &split_stake_account];
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         config.command = CliCommand::GetSlot {
             commitment_config: CommitmentConfig::default(),
@@ -3311,8 +3439,8 @@ mod tests {
             to: bob_pubkey,
             ..PayCommand::default()
         });
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let date_string = "\"2018-09-19T17:30:59Z\"";
         let dt: DateTime<Utc> = serde_json::from_str(&date_string).unwrap();
@@ -3324,16 +3452,7 @@ mod tests {
             ..PayCommand::default()
         });
         let result = process_command(&config);
-        let json: Value = serde_json::from_str(&result.unwrap()).unwrap();
-        assert_eq!(
-            json.as_object()
-                .unwrap()
-                .get("signature")
-                .unwrap()
-                .as_str()
-                .unwrap(),
-            SIGNATURE.to_string()
-        );
+        assert!(result.is_ok());
 
         let witness = Pubkey::new_rand();
         config.command = CliCommand::Pay(PayCommand {
@@ -3344,27 +3463,18 @@ mod tests {
             ..PayCommand::default()
         });
         let result = process_command(&config);
-        let json: Value = serde_json::from_str(&result.unwrap()).unwrap();
-        assert_eq!(
-            json.as_object()
-                .unwrap()
-                .get("signature")
-                .unwrap()
-                .as_str()
-                .unwrap(),
-            SIGNATURE.to_string()
-        );
+        assert!(result.is_ok());
 
         let process_id = Pubkey::new_rand();
         config.command = CliCommand::TimeElapsed(bob_pubkey, process_id, dt);
         config.signers = vec![&keypair];
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let witness = Pubkey::new_rand();
         config.command = CliCommand::Witness(bob_pubkey, witness);
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         // CreateAddressWithSeed
         let from_pubkey = Pubkey::new_rand();
@@ -3391,13 +3501,13 @@ mod tests {
         assert!(process_command(&config).is_ok());
 
         config.command = CliCommand::TimeElapsed(bob_pubkey, process_id, dt);
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         let witness = Pubkey::new_rand();
         config.command = CliCommand::Witness(bob_pubkey, witness);
-        let signature = process_command(&config);
-        assert_eq!(signature.unwrap(), SIGNATURE.to_string());
+        let result = process_command(&config);
+        assert!(result.is_ok());
 
         // sig_not_found case
         config.rpc_client = Some(RpcClient::new_mock("sig_not_found".to_string()));
@@ -3411,10 +3521,7 @@ mod tests {
         config.command = CliCommand::Confirm(any_signature);
         assert_eq!(
             process_command(&config).unwrap(),
-            format!(
-                "Transaction failed with error: {}",
-                TransactionError::AccountInUse
-            )
+            format!("Transaction failed: {}", TransactionError::AccountInUse)
         );
 
         // Failure cases
@@ -3550,13 +3657,40 @@ mod tests {
             .clone()
             .get_matches_from(vec!["test", "transfer", &to_string, "42"]);
         assert_eq!(
-            parse_command(&test_transfer, &default_keypair_file, None).unwrap(),
+            parse_command(&test_transfer, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Transfer {
                     lamports: 42_000_000_000,
                     to: to_pubkey,
                     from: 0,
                     sign_only: false,
+                    no_wait: false,
+                    blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
+                    nonce_account: None,
+                    nonce_authority: 0,
+                    fee_payer: 0,
+                },
+                signers: vec![read_keypair_file(&default_keypair_file).unwrap().into()],
+            }
+        );
+
+        // Test Transfer no-wait
+        let test_transfer = test_commands.clone().get_matches_from(vec![
+            "test",
+            "transfer",
+            "--no-wait",
+            &to_string,
+            "42",
+        ]);
+        assert_eq!(
+            parse_command(&test_transfer, &default_keypair_file, &mut None).unwrap(),
+            CliCommandInfo {
+                command: CliCommand::Transfer {
+                    lamports: 42_000_000_000,
+                    to: to_pubkey,
+                    from: 0,
+                    sign_only: false,
+                    no_wait: true,
                     blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
                     nonce_account: None,
                     nonce_authority: 0,
@@ -3579,13 +3713,14 @@ mod tests {
             "--sign-only",
         ]);
         assert_eq!(
-            parse_command(&test_transfer, &default_keypair_file, None).unwrap(),
+            parse_command(&test_transfer, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Transfer {
                     lamports: 42_000_000_000,
                     to: to_pubkey,
                     from: 0,
                     sign_only: true,
+                    no_wait: false,
                     blockhash_query: BlockhashQuery::None(blockhash),
                     nonce_account: None,
                     nonce_authority: 0,
@@ -3613,13 +3748,14 @@ mod tests {
             &blockhash_string,
         ]);
         assert_eq!(
-            parse_command(&test_transfer, &default_keypair_file, None).unwrap(),
+            parse_command(&test_transfer, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Transfer {
                     lamports: 42_000_000_000,
                     to: to_pubkey,
                     from: 0,
                     sign_only: false,
+                    no_wait: false,
                     blockhash_query: BlockhashQuery::FeeCalculator(
                         blockhash_query::Source::Cluster,
                         blockhash
@@ -3651,13 +3787,14 @@ mod tests {
             &nonce_authority_file,
         ]);
         assert_eq!(
-            parse_command(&test_transfer, &default_keypair_file, None).unwrap(),
+            parse_command(&test_transfer, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Transfer {
                     lamports: 42_000_000_000,
                     to: to_pubkey,
                     from: 0,
                     sign_only: false,
+                    no_wait: false,
                     blockhash_query: BlockhashQuery::FeeCalculator(
                         blockhash_query::Source::NonceAccount(nonce_address),
                         blockhash

cli/src/cli_output.rs

@@ -0,0 +1,841 @@
+use crate::{cli::build_balance_message, display::writeln_name_value};
+use chrono::{DateTime, NaiveDateTime, SecondsFormat, Utc};
+use console::{style, Emoji};
+use inflector::cases::titlecase::to_title_case;
+use serde::Serialize;
+use serde_json::{Map, Value};
+use solana_client::rpc_response::{RpcEpochInfo, RpcKeyedAccount, RpcVoteAccountInfo};
+use solana_sdk::{
+    clock::{self, Epoch, Slot, UnixTimestamp},
+    stake_history::StakeHistoryEntry,
+};
+use solana_stake_program::stake_state::{Authorized, Lockup};
+use solana_vote_program::{
+    authorized_voters::AuthorizedVoters,
+    vote_state::{BlockTimestamp, Lockout},
+};
+use std::{collections::BTreeMap, fmt, time::Duration};
+
+static WARNING: Emoji = Emoji("⚠️", "!");
+
+#[derive(PartialEq)]
+pub enum OutputFormat {
+    Display,
+    Json,
+    JsonCompact,
+}
+
+impl OutputFormat {
+    pub fn formatted_print<T>(&self, item: &T)
+    where
+        T: Serialize + fmt::Display,
+    {
+        match self {
+            OutputFormat::Display => {
+                println!("{}", item);
+            }
+            OutputFormat::Json => {
+                println!("{}", serde_json::to_string_pretty(item).unwrap());
+            }
+            OutputFormat::JsonCompact => {
+                println!("{}", serde_json::to_value(item).unwrap());
+            }
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct CliAccount {
+    #[serde(flatten)]
+    pub keyed_account: RpcKeyedAccount,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliAccount {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f)?;
+        writeln_name_value(f, "Public Key:", &self.keyed_account.pubkey)?;
+        writeln_name_value(
+            f,
+            "Balance:",
+            &build_balance_message(
+                self.keyed_account.account.lamports,
+                self.use_lamports_unit,
+                true,
+            ),
+        )?;
+        writeln_name_value(f, "Owner:", &self.keyed_account.account.owner)?;
+        writeln_name_value(
+            f,
+            "Executable:",
+            &self.keyed_account.account.executable.to_string(),
+        )?;
+        writeln_name_value(
+            f,
+            "Rent Epoch:",
+            &self.keyed_account.account.rent_epoch.to_string(),
+        )?;
+        Ok(())
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct CliBlockProduction {
+    pub epoch: Epoch,
+    pub start_slot: Slot,
+    pub end_slot: Slot,
+    pub total_slots: usize,
+    pub total_blocks_produced: usize,
+    pub total_slots_skipped: usize,
+    pub leaders: Vec<CliBlockProductionEntry>,
+    pub individual_slot_status: Vec<CliSlotStatus>,
+    #[serde(skip_serializing)]
+    pub verbose: bool,
+}
+
+impl fmt::Display for CliBlockProduction {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f)?;
+        writeln!(
+            f,
+            "{}",
+            style(format!(
+                "  {:<44}  {:>15}  {:>15}  {:>15}  {:>23}",
+                "Identity Pubkey",
+                "Leader Slots",
+                "Blocks Produced",
+                "Skipped Slots",
+                "Skipped Slot Percentage",
+            ))
+            .bold()
+        )?;
+        for leader in &self.leaders {
+            writeln!(
+                f,
+                "  {:<44}  {:>15}  {:>15}  {:>15}  {:>22.2}%",
+                leader.identity_pubkey,
+                leader.leader_slots,
+                leader.blocks_produced,
+                leader.skipped_slots,
+                leader.skipped_slots as f64 / leader.leader_slots as f64 * 100.
+            )?;
+        }
+        writeln!(f)?;
+        writeln!(
+            f,
+            "  {:<44}  {:>15}  {:>15}  {:>15}  {:>22.2}%",
+            format!("Epoch {} total:", self.epoch),
+            self.total_slots,
+            self.total_blocks_produced,
+            self.total_slots_skipped,
+            self.total_slots_skipped as f64 / self.total_slots as f64 * 100.
+        )?;
+        writeln!(
+            f,
+            "  (using data from {} slots: {} to {})",
+            self.total_slots, self.start_slot, self.end_slot
+        )?;
+        if self.verbose {
+            writeln!(f)?;
+            writeln!(f)?;
+            writeln!(
+                f,
+                "{}",
+                style(format!("  {:<15} {:<44}", "Slot", "Identity Pubkey")).bold(),
+            )?;
+            for status in &self.individual_slot_status {
+                if status.skipped {
+                    writeln!(
+                        f,
+                        "{}",
+                        style(format!(
+                            "  {:<15} {:<44} SKIPPED",
+                            status.slot, status.leader
+                        ))
+                        .red()
+                    )?;
+                } else {
+                    writeln!(
+                        f,
+                        "{}",
+                        style(format!("  {:<15} {:<44}", status.slot, status.leader))
+                    )?;
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliBlockProductionEntry {
+    pub identity_pubkey: String,
+    pub leader_slots: u64,
+    pub blocks_produced: u64,
+    pub skipped_slots: u64,
+}
+
+#[derive(Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliSlotStatus {
+    pub slot: Slot,
+    pub leader: String,
+    pub skipped: bool,
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliEpochInfo {
+    #[serde(flatten)]
+    pub epoch_info: RpcEpochInfo,
+}
+
+impl From<RpcEpochInfo> for CliEpochInfo {
+    fn from(epoch_info: RpcEpochInfo) -> Self {
+        Self { epoch_info }
+    }
+}
+
+impl fmt::Display for CliEpochInfo {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f)?;
+        writeln_name_value(f, "Slot:", &self.epoch_info.absolute_slot.to_string())?;
+        writeln_name_value(f, "Epoch:", &self.epoch_info.epoch.to_string())?;
+        let start_slot = self.epoch_info.absolute_slot - self.epoch_info.slot_index;
+        let end_slot = start_slot + self.epoch_info.slots_in_epoch;
+        writeln_name_value(
+            f,
+            "Epoch Slot Range:",
+            &format!("[{}..{})", start_slot, end_slot),
+        )?;
+        writeln_name_value(
+            f,
+            "Epoch Completed Percent:",
+            &format!(
+                "{:>3.3}%",
+                self.epoch_info.slot_index as f64 / self.epoch_info.slots_in_epoch as f64 * 100_f64
+            ),
+        )?;
+        let remaining_slots_in_epoch = self.epoch_info.slots_in_epoch - self.epoch_info.slot_index;
+        writeln_name_value(
+            f,
+            "Epoch Completed Slots:",
+            &format!(
+                "{}/{} ({} remaining)",
+                self.epoch_info.slot_index,
+                self.epoch_info.slots_in_epoch,
+                remaining_slots_in_epoch
+            ),
+        )?;
+        writeln_name_value(
+            f,
+            "Epoch Completed Time:",
+            &format!(
+                "{}/{} ({} remaining)",
+                slot_to_human_time(self.epoch_info.slot_index),
+                slot_to_human_time(self.epoch_info.slots_in_epoch),
+                slot_to_human_time(remaining_slots_in_epoch)
+            ),
+        )
+    }
+}
+
+fn slot_to_human_time(slot: Slot) -> String {
+    humantime::format_duration(Duration::from_secs(
+        slot * clock::DEFAULT_TICKS_PER_SLOT / clock::DEFAULT_TICKS_PER_SECOND,
+    ))
+    .to_string()
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliValidators {
+    pub total_active_stake: u64,
+    pub total_current_stake: u64,
+    pub total_deliquent_stake: u64,
+    pub current_validators: Vec<CliValidator>,
+    pub delinquent_validators: Vec<CliValidator>,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliValidators {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fn write_vote_account(
+            f: &mut fmt::Formatter,
+            validator: &CliValidator,
+            total_active_stake: u64,
+            use_lamports_unit: bool,
+            delinquent: bool,
+        ) -> fmt::Result {
+            fn non_zero_or_dash(v: u64) -> String {
+                if v == 0 {
+                    "-".into()
+                } else {
+                    format!("{}", v)
+                }
+            }
+
+            writeln!(
+                f,
+                "{} {:<44}  {:<44}  {:>9}%   {:>8}  {:>10}  {:>7}  {}",
+                if delinquent {
+                    WARNING.to_string()
+                } else {
+                    " ".to_string()
+                },
+                validator.identity_pubkey,
+                validator.vote_account_pubkey,
+                validator.commission,
+                non_zero_or_dash(validator.last_vote),
+                non_zero_or_dash(validator.root_slot),
+                validator.credits,
+                if validator.activated_stake > 0 {
+                    format!(
+                        "{} ({:.2}%)",
+                        build_balance_message(validator.activated_stake, use_lamports_unit, true),
+                        100. * validator.activated_stake as f64 / total_active_stake as f64
+                    )
+                } else {
+                    "-".into()
+                },
+            )
+        }
+        writeln_name_value(
+            f,
+            "Active Stake:",
+            &build_balance_message(self.total_active_stake, self.use_lamports_unit, true),
+        )?;
+        if self.total_deliquent_stake > 0 {
+            writeln_name_value(
+                f,
+                "Current Stake:",
+                &format!(
+                    "{} ({:0.2}%)",
+                    &build_balance_message(self.total_current_stake, self.use_lamports_unit, true),
+                    100. * self.total_current_stake as f64 / self.total_active_stake as f64
+                ),
+            )?;
+            writeln_name_value(
+                f,
+                "Delinquent Stake:",
+                &format!(
+                    "{} ({:0.2}%)",
+                    &build_balance_message(
+                        self.total_deliquent_stake,
+                        self.use_lamports_unit,
+                        true
+                    ),
+                    100. * self.total_deliquent_stake as f64 / self.total_active_stake as f64
+                ),
+            )?;
+        }
+        writeln!(f)?;
+        writeln!(
+            f,
+            "{}",
+            style(format!(
+                "  {:<44}  {:<44}  {}  {}  {}  {:>7}  {}",
+                "Identity Pubkey",
+                "Vote Account Pubkey",
+                "Commission",
+                "Last Vote",
+                "Root Block",
+                "Credits",
+                "Active Stake",
+            ))
+            .bold()
+        )?;
+        for validator in &self.current_validators {
+            write_vote_account(
+                f,
+                validator,
+                self.total_active_stake,
+                self.use_lamports_unit,
+                false,
+            )?;
+        }
+        for validator in &self.delinquent_validators {
+            write_vote_account(
+                f,
+                validator,
+                self.total_active_stake,
+                self.use_lamports_unit,
+                true,
+            )?;
+        }
+        Ok(())
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliValidator {
+    pub identity_pubkey: String,
+    pub vote_account_pubkey: String,
+    pub commission: u8,
+    pub last_vote: u64,
+    pub root_slot: u64,
+    pub credits: u64,
+    pub activated_stake: u64,
+}
+
+impl CliValidator {
+    pub fn new(vote_account: &RpcVoteAccountInfo, current_epoch: Epoch) -> Self {
+        Self {
+            identity_pubkey: vote_account.node_pubkey.to_string(),
+            vote_account_pubkey: vote_account.vote_pubkey.to_string(),
+            commission: vote_account.commission,
+            last_vote: vote_account.last_vote,
+            root_slot: vote_account.root_slot,
+            credits: vote_account
+                .epoch_credits
+                .iter()
+                .find_map(|(epoch, credits, _)| {
+                    if *epoch == current_epoch {
+                        Some(*credits)
+                    } else {
+                        None
+                    }
+                })
+                .unwrap_or(0),
+            activated_stake: vote_account.activated_stake,
+        }
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliNonceAccount {
+    pub balance: u64,
+    pub minimum_balance_for_rent_exemption: u64,
+    pub nonce: Option<String>,
+    pub lamports_per_signature: Option<u64>,
+    pub authority: Option<String>,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliNonceAccount {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(
+            f,
+            "Balance: {}",
+            build_balance_message(self.balance, self.use_lamports_unit, true)
+        )?;
+        writeln!(
+            f,
+            "Minimum Balance Required: {}",
+            build_balance_message(
+                self.minimum_balance_for_rent_exemption,
+                self.use_lamports_unit,
+                true
+            )
+        )?;
+        let nonce = self.nonce.as_deref().unwrap_or("uninitialized");
+        writeln!(f, "Nonce: {}", nonce)?;
+        if let Some(fees) = self.lamports_per_signature {
+            writeln!(f, "Fee: {} lamports per signature", fees)?;
+        } else {
+            writeln!(f, "Fees: uninitialized")?;
+        }
+        let authority = self.authority.as_deref().unwrap_or("uninitialized");
+        writeln!(f, "Authority: {}", authority)
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct CliStakeVec(Vec<CliKeyedStakeState>);
+
+impl CliStakeVec {
+    pub fn new(list: Vec<CliKeyedStakeState>) -> Self {
+        Self(list)
+    }
+}
+
+impl fmt::Display for CliStakeVec {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        for state in &self.0 {
+            writeln!(f)?;
+            write!(f, "{}", state)?;
+        }
+        Ok(())
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliKeyedStakeState {
+    pub stake_pubkey: String,
+    #[serde(flatten)]
+    pub stake_state: CliStakeState,
+}
+
+impl fmt::Display for CliKeyedStakeState {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f, "Stake Pubkey: {}", self.stake_pubkey)?;
+        write!(f, "{}", self.stake_state)
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliStakeState {
+    pub stake_type: CliStakeType,
+    pub total_stake: u64,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub delegated_stake: Option<u64>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub delegated_vote_account_address: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub activation_epoch: Option<Epoch>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub deactivation_epoch: Option<Epoch>,
+    #[serde(flatten, skip_serializing_if = "Option::is_none")]
+    pub authorized: Option<CliAuthorized>,
+    #[serde(flatten, skip_serializing_if = "Option::is_none")]
+    pub lockup: Option<CliLockup>,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliStakeState {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fn show_authorized(f: &mut fmt::Formatter, authorized: &CliAuthorized) -> fmt::Result {
+            writeln!(f, "Stake Authority: {}", authorized.staker)?;
+            writeln!(f, "Withdraw Authority: {}", authorized.withdrawer)?;
+            Ok(())
+        }
+        fn show_lockup(f: &mut fmt::Formatter, lockup: &CliLockup) -> fmt::Result {
+            writeln!(
+                f,
+                "Lockup Timestamp: {} (UnixTimestamp: {})",
+                DateTime::<Utc>::from_utc(
+                    NaiveDateTime::from_timestamp(lockup.unix_timestamp, 0),
+                    Utc
+                )
+                .to_rfc3339_opts(SecondsFormat::Secs, true),
+                lockup.unix_timestamp
+            )?;
+            writeln!(f, "Lockup Epoch: {}", lockup.epoch)?;
+            writeln!(f, "Lockup Custodian: {}", lockup.custodian)?;
+            Ok(())
+        }
+
+        match self.stake_type {
+            CliStakeType::RewardsPool => writeln!(f, "Stake account is a rewards pool")?,
+            CliStakeType::Uninitialized => writeln!(f, "Stake account is uninitialized")?,
+            CliStakeType::Initialized => {
+                writeln!(
+                    f,
+                    "Total Stake: {}",
+                    build_balance_message(self.total_stake, self.use_lamports_unit, true)
+                )?;
+                writeln!(f, "Stake account is undelegated")?;
+                show_authorized(f, self.authorized.as_ref().unwrap())?;
+                show_lockup(f, self.lockup.as_ref().unwrap())?;
+            }
+            CliStakeType::Stake => {
+                writeln!(
+                    f,
+                    "Total Stake: {}",
+                    build_balance_message(self.total_stake, self.use_lamports_unit, true)
+                )?;
+                writeln!(
+                    f,
+                    "Delegated Stake: {}",
+                    build_balance_message(
+                        self.delegated_stake.unwrap(),
+                        self.use_lamports_unit,
+                        true
+                    )
+                )?;
+                if let Some(delegated_vote_account_address) = &self.delegated_vote_account_address {
+                    writeln!(
+                        f,
+                        "Delegated Vote Account Address: {}",
+                        delegated_vote_account_address
+                    )?;
+                }
+                writeln!(
+                    f,
+                    "Stake activates starting from epoch: {}",
+                    self.activation_epoch.unwrap()
+                )?;
+                if let Some(deactivation_epoch) = self.deactivation_epoch {
+                    writeln!(
+                        f,
+                        "Stake deactivates starting from epoch: {}",
+                        deactivation_epoch
+                    )?;
+                }
+                show_authorized(f, self.authorized.as_ref().unwrap())?;
+                show_lockup(f, self.lockup.as_ref().unwrap())?;
+            }
+        }
+        Ok(())
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+pub enum CliStakeType {
+    Stake,
+    RewardsPool,
+    Uninitialized,
+    Initialized,
+}
+
+impl Default for CliStakeType {
+    fn default() -> Self {
+        Self::Uninitialized
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliStakeHistory {
+    pub entries: Vec<CliStakeHistoryEntry>,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliStakeHistory {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f)?;
+        writeln!(
+            f,
+            "{}",
+            style(format!(
+                "  {:<5}  {:>20}  {:>20}  {:>20}",
+                "Epoch", "Effective Stake", "Activating Stake", "Deactivating Stake",
+            ))
+            .bold()
+        )?;
+        for entry in &self.entries {
+            writeln!(
+                f,
+                "  {:>5}  {:>20}  {:>20}  {:>20} {}",
+                entry.epoch,
+                build_balance_message(entry.effective_stake, self.use_lamports_unit, false),
+                build_balance_message(entry.activating_stake, self.use_lamports_unit, false),
+                build_balance_message(entry.deactivating_stake, self.use_lamports_unit, false),
+                if self.use_lamports_unit {
+                    "lamports"
+                } else {
+                    "SOL"
+                }
+            )?;
+        }
+        Ok(())
+    }
+}
+
+impl From<&(Epoch, StakeHistoryEntry)> for CliStakeHistoryEntry {
+    fn from((epoch, entry): &(Epoch, StakeHistoryEntry)) -> Self {
+        Self {
+            epoch: *epoch,
+            effective_stake: entry.effective,
+            activating_stake: entry.activating,
+            deactivating_stake: entry.deactivating,
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliStakeHistoryEntry {
+    pub epoch: Epoch,
+    pub effective_stake: u64,
+    pub activating_stake: u64,
+    pub deactivating_stake: u64,
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliAuthorized {
+    pub staker: String,
+    pub withdrawer: String,
+}
+
+impl From<&Authorized> for CliAuthorized {
+    fn from(authorized: &Authorized) -> Self {
+        Self {
+            staker: authorized.staker.to_string(),
+            withdrawer: authorized.withdrawer.to_string(),
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliLockup {
+    pub unix_timestamp: UnixTimestamp,
+    pub epoch: Epoch,
+    pub custodian: String,
+}
+
+impl From<&Lockup> for CliLockup {
+    fn from(lockup: &Lockup) -> Self {
+        Self {
+            unix_timestamp: lockup.unix_timestamp,
+            epoch: lockup.epoch,
+            custodian: lockup.custodian.to_string(),
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct CliValidatorInfoVec(Vec<CliValidatorInfo>);
+
+impl CliValidatorInfoVec {
+    pub fn new(list: Vec<CliValidatorInfo>) -> Self {
+        Self(list)
+    }
+}
+
+impl fmt::Display for CliValidatorInfoVec {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        if self.0.is_empty() {
+            writeln!(f, "No validator info accounts found")?;
+        }
+        for validator_info in &self.0 {
+            writeln!(f)?;
+            write!(f, "{}", validator_info)?;
+        }
+        Ok(())
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliValidatorInfo {
+    pub identity_pubkey: String,
+    pub info_pubkey: String,
+    pub info: Map<String, Value>,
+}
+
+impl fmt::Display for CliValidatorInfo {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln_name_value(f, "Validator Identity Pubkey:", &self.identity_pubkey)?;
+        writeln_name_value(f, "  Info Pubkey:", &self.info_pubkey)?;
+        for (key, value) in self.info.iter() {
+            writeln_name_value(
+                f,
+                &format!("  {}:", to_title_case(key)),
+                &value.as_str().unwrap_or("?"),
+            )?;
+        }
+        Ok(())
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliVoteAccount {
+    pub account_balance: u64,
+    pub validator_identity: String,
+    #[serde(flatten)]
+    pub authorized_voters: CliAuthorizedVoters,
+    pub authorized_withdrawer: String,
+    pub credits: u64,
+    pub commission: u8,
+    pub root_slot: Option<Slot>,
+    pub recent_timestamp: BlockTimestamp,
+    pub votes: Vec<CliLockout>,
+    pub epoch_voting_history: Vec<CliEpochVotingHistory>,
+    #[serde(skip_serializing)]
+    pub use_lamports_unit: bool,
+}
+
+impl fmt::Display for CliVoteAccount {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(
+            f,
+            "Account Balance: {}",
+            build_balance_message(self.account_balance, self.use_lamports_unit, true)
+        )?;
+        writeln!(f, "Validator Identity: {}", self.validator_identity)?;
+        writeln!(f, "Authorized Voters: {}", self.authorized_voters)?;
+        writeln!(f, "Authorized Withdrawer: {}", self.authorized_withdrawer)?;
+        writeln!(f, "Credits: {}", self.credits)?;
+        writeln!(f, "Commission: {}%", self.commission)?;
+        writeln!(
+            f,
+            "Root Slot: {}",
+            match self.root_slot {
+                Some(slot) => slot.to_string(),
+                None => "~".to_string(),
+            }
+        )?;
+        writeln!(f, "Recent Timestamp: {:?}", self.recent_timestamp)?;
+        if !self.votes.is_empty() {
+            writeln!(f, "Recent Votes:")?;
+            for vote in &self.votes {
+                writeln!(
+                    f,
+                    "- slot: {}\n  confirmation count: {}",
+                    vote.slot, vote.confirmation_count
+                )?;
+            }
+            writeln!(f, "Epoch Voting History:")?;
+            for epoch_info in &self.epoch_voting_history {
+                writeln!(
+                    f,
+                    "- epoch: {}\n  slots in epoch: {}\n  credits earned: {}",
+                    epoch_info.epoch, epoch_info.slots_in_epoch, epoch_info.credits_earned,
+                )?;
+            }
+        }
+        Ok(())
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliAuthorizedVoters {
+    authorized_voters: BTreeMap<Epoch, String>,
+}
+
+impl fmt::Display for CliAuthorizedVoters {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:?}", self.authorized_voters)
+    }
+}
+
+impl From<&AuthorizedVoters> for CliAuthorizedVoters {
+    fn from(authorized_voters: &AuthorizedVoters) -> Self {
+        let mut voter_map: BTreeMap<Epoch, String> = BTreeMap::new();
+        for (epoch, voter) in authorized_voters.iter() {
+            voter_map.insert(*epoch, voter.to_string());
+        }
+        Self {
+            authorized_voters: voter_map,
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliEpochVotingHistory {
+    pub epoch: Epoch,
+    pub slots_in_epoch: u64,
+    pub credits_earned: u64,
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliLockout {
+    pub slot: Slot,
+    pub confirmation_count: u32,
+}
+
+impl From<&Lockout> for CliLockout {
+    fn from(lockout: &Lockout) -> Self {
+        Self {
+            slot: lockout.slot,
+            confirmation_count: lockout.confirmation_count,
+        }
+    }
+}

cli/src/cluster_query.rs

@@ -1,7 +1,8 @@
 use crate::{
-    cli::{
-        build_balance_message, check_account_for_fee, CliCommand, CliCommandInfo, CliConfig,
-        CliError, ProcessResult,
+    cli::{check_account_for_fee, CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult},
+    cli_output::{
+        CliBlockProduction, CliBlockProductionEntry, CliEpochInfo, CliKeyedStakeState,
+        CliSlotStatus, CliStakeVec, CliValidator, CliValidators,
     },
     display::println_name_value,
 };
@@ -9,11 +10,16 @@ use chrono::{DateTime, NaiveDateTime, SecondsFormat, Utc};
 use clap::{value_t, value_t_or_exit, App, Arg, ArgMatches, SubCommand};
 use console::{style, Emoji};
 use indicatif::{ProgressBar, ProgressStyle};
-use solana_clap_utils::{input_parsers::*, input_validators::*, keypair::signer_from_path};
+use solana_clap_utils::{
+    commitment::{commitment_arg, COMMITMENT_ARG},
+    input_parsers::*,
+    input_validators::*,
+    keypair::signer_from_path,
+};
 use solana_client::{
     pubsub_client::{PubsubClient, SlotInfoMessage},
     rpc_client::RpcClient,
-    rpc_response::RpcVoteAccountInfo,
+    rpc_request::MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS_SLOT_RANGE,
 };
 use solana_remote_wallet::remote_wallet::RemoteWalletManager;
 use solana_sdk::{
@@ -42,7 +48,6 @@ use std::{
 
 static CHECK_MARK: Emoji = Emoji("✅ ", "");
 static CROSS_MARK: Emoji = Emoji("❌ ", "");
-static WARNING: Emoji = Emoji("⚠️", "!");
 
 pub trait ClusterQuerySubCommands {
     fn cluster_query_subcommands(self) -> Self;
@@ -69,7 +74,14 @@ impl ClusterQuerySubCommands for App<'_, '_> {
                         .takes_value(true)
                         .validator(is_url)
                         .help("JSON RPC URL for validator, which is useful for validators with a private RPC service")
-                ),
+                )
+                .arg(
+                    Arg::with_name("follow")
+                        .long("follow")
+                        .takes_value(false)
+                        .help("Continue reporting progress even after the validator has caught up"),
+                )
+                .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("cluster-version")
@@ -93,14 +105,7 @@ impl ClusterQuerySubCommands for App<'_, '_> {
             SubCommand::with_name("epoch-info")
             .about("Get information about the current epoch")
             .alias("get-epoch-info")
-            .arg(
-                Arg::with_name("confirmed")
-                    .long("confirmed")
-                    .takes_value(false)
-                    .help(
-                        "Return information at maximum-lockout commitment level",
-                    ),
-            ),
+            .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("genesis-hash")
@@ -110,37 +115,20 @@ impl ClusterQuerySubCommands for App<'_, '_> {
         .subcommand(
             SubCommand::with_name("slot").about("Get current slot")
             .alias("get-slot")
-            .arg(
-                Arg::with_name("confirmed")
-                    .long("confirmed")
-                    .takes_value(false)
-                    .help(
-                        "Return slot at maximum-lockout commitment level",
-                    ),
-            ),
+            .arg(commitment_arg()),
+        )
+        .subcommand(
+            SubCommand::with_name("epoch").about("Get current epoch")
+            .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("total-supply").about("Get total number of SOL")
-            .arg(
-                Arg::with_name("confirmed")
-                    .long("confirmed")
-                    .takes_value(false)
-                    .help(
-                        "Return count at maximum-lockout commitment level",
-                    ),
-            ),
+            .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("transaction-count").about("Get current transaction count")
             .alias("get-transaction-count")
-            .arg(
-                Arg::with_name("confirmed")
-                    .long("confirmed")
-                    .takes_value(false)
-                    .help(
-                        "Return count at maximum-lockout commitment level",
-                    ),
-            ),
+            .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("ping")
@@ -181,12 +169,12 @@ impl ClusterQuerySubCommands for App<'_, '_> {
                         .help("Wait up to timeout seconds for transaction confirmation"),
                 )
                 .arg(
-                    Arg::with_name("confirmed")
-                        .long("confirmed")
-                        .takes_value(false)
-                        .help(
-                            "Wait until the transaction is confirmed at maximum-lockout commitment level",
-                        ),
+                    Arg::with_name(COMMITMENT_ARG.name)
+                        .long(COMMITMENT_ARG.long)
+                        .takes_value(true)
+                        .possible_values(&["default", "max", "recent", "root"])
+                        .value_name("COMMITMENT_LEVEL")
+                        .help("Wait until the transaction is confirmed at selected commitment level"),
                 ),
         )
         .subcommand(
@@ -238,19 +226,46 @@ impl ClusterQuerySubCommands for App<'_, '_> {
             SubCommand::with_name("validators")
                 .about("Show summary information about the current validators")
                 .alias("show-validators")
-                .arg(
-                    Arg::with_name("confirmed")
-                        .long("confirmed")
-                        .takes_value(false)
-                        .help(
-                            "Return information at maximum-lockout commitment level",
-                        ),
-                )
                 .arg(
                     Arg::with_name("lamports")
                         .long("lamports")
                         .takes_value(false)
                         .help("Display balance in lamports instead of SOL"),
+                )
+                .arg(commitment_arg()),
+        )
+        .subcommand(
+            SubCommand::with_name("transaction-history")
+                .about("Show historical transactions affecting the given address, \
+                       ordered based on the slot in which they were confirmed in \
+                       from lowest to highest slot")
+                .arg(
+                    Arg::with_name("address")
+                        .index(1)
+                        .value_name("ADDRESS")
+                        .required(true)
+                        .validator(is_valid_pubkey)
+                        .help("Account address"),
+                )
+                .arg(
+                    Arg::with_name("end_slot")
+                        .takes_value(false)
+                        .value_name("SLOT")
+                        .index(2)
+                        .validator(is_slot)
+                        .help(
+                            "Slot to start from [default: latest slot at maximum commitment]"
+                        ),
+                )
+                .arg(
+                    Arg::with_name("limit")
+                        .long("limit")
+                        .takes_value(true)
+                        .value_name("NUMBER OF SLOTS")
+                        .validator(is_slot)
+                        .help(
+                            "Limit the search to this many slots"
+                        ),
                 ),
         )
     }
@@ -258,14 +273,19 @@ impl ClusterQuerySubCommands for App<'_, '_> {
 
 pub fn parse_catchup(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let node_pubkey = pubkey_of_signer(matches, "node_pubkey", wallet_manager)?.unwrap();
     let node_json_rpc_url = value_t!(matches, "node_json_rpc_url", String).ok();
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
+    let follow = matches.is_present("follow");
     Ok(CliCommandInfo {
         command: CliCommand::Catchup {
             node_pubkey,
             node_json_rpc_url,
+            commitment_config,
+            follow,
         },
         signers: vec![],
     })
@@ -274,7 +294,7 @@ pub fn parse_catchup(
 pub fn parse_cluster_ping(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let lamports = value_t_or_exit!(matches, "lamports", u64);
     let interval = Duration::from_secs(value_t_or_exit!(matches, "interval", u64));
@@ -284,11 +304,8 @@ pub fn parse_cluster_ping(
         None
     };
     let timeout = Duration::from_secs(value_t_or_exit!(matches, "timeout", u64));
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::Ping {
             lamports,
@@ -315,11 +332,8 @@ pub fn parse_get_block_time(matches: &ArgMatches<'_>) -> Result<CliCommandInfo,
 }
 
 pub fn parse_get_epoch_info(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::GetEpochInfo { commitment_config },
         signers: vec![],
@@ -327,23 +341,26 @@ pub fn parse_get_epoch_info(matches: &ArgMatches<'_>) -> Result<CliCommandInfo,
 }
 
 pub fn parse_get_slot(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::GetSlot { commitment_config },
         signers: vec![],
     })
 }
 
+pub fn parse_get_epoch(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
+    Ok(CliCommandInfo {
+        command: CliCommand::GetEpoch { commitment_config },
+        signers: vec![],
+    })
+}
+
 pub fn parse_total_supply(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::TotalSupply { commitment_config },
         signers: vec![],
@@ -351,11 +368,8 @@ pub fn parse_total_supply(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, Cl
 }
 
 pub fn parse_get_transaction_count(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::GetTransactionCount { commitment_config },
         signers: vec![],
@@ -364,7 +378,7 @@ pub fn parse_get_transaction_count(matches: &ArgMatches<'_>) -> Result<CliComman
 
 pub fn parse_show_stakes(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let use_lamports_unit = matches.is_present("lamports");
     let vote_account_pubkeys =
@@ -381,11 +395,8 @@ pub fn parse_show_stakes(
 
 pub fn parse_show_validators(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
     let use_lamports_unit = matches.is_present("lamports");
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
 
     Ok(CliCommandInfo {
         command: CliCommand::ShowValidators {
@@ -396,6 +407,25 @@ pub fn parse_show_validators(matches: &ArgMatches<'_>) -> Result<CliCommandInfo,
     })
 }
 
+pub fn parse_transaction_history(
+    matches: &ArgMatches<'_>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
+) -> Result<CliCommandInfo, CliError> {
+    let address = pubkey_of_signer(matches, "address", wallet_manager)?.unwrap();
+    let end_slot = value_t!(matches, "end_slot", Slot).ok();
+    let slot_limit = value_t!(matches, "limit", u64)
+        .unwrap_or(MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS_SLOT_RANGE);
+
+    Ok(CliCommandInfo {
+        command: CliCommand::TransactionHistory {
+            address,
+            end_slot,
+            slot_limit,
+        },
+        signers: vec![],
+    })
+}
+
 /// Creates a new process bar for processing that will take an unknown amount of time
 fn new_spinner_progress_bar() -> ProgressBar {
     let progress_bar = ProgressBar::new(42);
@@ -409,20 +439,37 @@ pub fn process_catchup(
     rpc_client: &RpcClient,
     node_pubkey: &Pubkey,
     node_json_rpc_url: &Option<String>,
+    commitment_config: CommitmentConfig,
+    follow: bool,
 ) -> ProcessResult {
-    let cluster_nodes = rpc_client.get_cluster_nodes()?;
+    let sleep_interval = 5;
+
+    let progress_bar = new_spinner_progress_bar();
+    progress_bar.set_message("Connecting...");
 
     let node_client = if let Some(node_json_rpc_url) = node_json_rpc_url {
         RpcClient::new(node_json_rpc_url.to_string())
     } else {
-        RpcClient::new_socket(
-            cluster_nodes
+        let rpc_addr = loop {
+            let cluster_nodes = rpc_client.get_cluster_nodes()?;
+            if let Some(contact_info) = cluster_nodes
                 .iter()
                 .find(|contact_info| contact_info.pubkey == node_pubkey.to_string())
-                .ok_or_else(|| format!("Contact information not found for {}", node_pubkey))?
-                .rpc
-                .ok_or_else(|| format!("RPC service not found for {}", node_pubkey))?,
-        )
+            {
+                if let Some(rpc_addr) = contact_info.rpc {
+                    break rpc_addr;
+                }
+                progress_bar.set_message(&format!("RPC service not found for {}", node_pubkey));
+            } else {
+                progress_bar.set_message(&format!(
+                    "Contact information not found for {}",
+                    node_pubkey
+                ));
+            }
+            sleep(Duration::from_secs(sleep_interval as u64));
+        };
+
+        RpcClient::new_socket(rpc_addr)
     };
 
     let reported_node_pubkey = node_client.get_identity()?;
@@ -438,16 +485,12 @@ pub fn process_catchup(
         return Err("Both RPC URLs reference the same node, unable to monitor for catchup.  Try a different --url".into());
     }
 
-    let progress_bar = new_spinner_progress_bar();
-    progress_bar.set_message("Connecting...");
-
     let mut previous_rpc_slot = std::u64::MAX;
     let mut previous_slot_distance = 0;
-    let sleep_interval = 5;
     loop {
-        let rpc_slot = rpc_client.get_slot_with_commitment(CommitmentConfig::recent())?;
-        let node_slot = node_client.get_slot_with_commitment(CommitmentConfig::recent())?;
-        if node_slot > std::cmp::min(previous_rpc_slot, rpc_slot) {
+        let rpc_slot = rpc_client.get_slot_with_commitment(commitment_config)?;
+        let node_slot = node_client.get_slot_with_commitment(commitment_config)?;
+        if !follow && node_slot > std::cmp::min(previous_rpc_slot, rpc_slot) {
             progress_bar.finish_and_clear();
             return Ok(format!(
                 "{} has caught up (us:{} them:{})",
@@ -456,25 +499,36 @@ pub fn process_catchup(
         }
 
         let slot_distance = rpc_slot as i64 - node_slot as i64;
+        let slots_per_second =
+            (previous_slot_distance - slot_distance) as f64 / f64::from(sleep_interval);
+        let time_remaining = if slots_per_second <= 0.0 {
+            "".to_string()
+        } else {
+            format!(
+                ". Time remaining: {}",
+                humantime::format_duration(Duration::from_secs_f64(
+                    (slot_distance as f64 / slots_per_second).round()
+                ))
+            )
+        };
+
         progress_bar.set_message(&format!(
-            "Validator is {} slots away (us:{} them:{}){}",
+            "{} slots behind (us:{} them:{}){}",
             slot_distance,
             node_slot,
             rpc_slot,
-            if previous_rpc_slot == std::u64::MAX {
+            if slot_distance == 0 || previous_rpc_slot == std::u64::MAX {
                 "".to_string()
             } else {
-                let slots_per_second =
-                    (previous_slot_distance - slot_distance) as f64 / f64::from(sleep_interval);
-
                 format!(
-                    " and {} at {:.1} slots/second",
+                    ", {} at {:.1} slots/second{}",
                     if slots_per_second < 0.0 {
                         "falling behind"
                     } else {
                         "gaining"
                     },
                     slots_per_second,
+                    time_remaining
                 )
             }
         ));
@@ -545,51 +599,15 @@ pub fn process_get_block_time(rpc_client: &RpcClient, slot: Slot) -> ProcessResu
     Ok(result)
 }
 
-fn slot_to_human_time(slot: Slot) -> String {
-    humantime::format_duration(Duration::from_secs(
-        slot * clock::DEFAULT_TICKS_PER_SLOT / clock::DEFAULT_TICKS_PER_SECOND,
-    ))
-    .to_string()
-}
-
 pub fn process_get_epoch_info(
     rpc_client: &RpcClient,
+    config: &CliConfig,
     commitment_config: CommitmentConfig,
 ) -> ProcessResult {
-    let epoch_info = rpc_client.get_epoch_info_with_commitment(commitment_config.clone())?;
-    println!();
-    println_name_value("Slot:", &epoch_info.absolute_slot.to_string());
-    println_name_value("Epoch:", &epoch_info.epoch.to_string());
-    let start_slot = epoch_info.absolute_slot - epoch_info.slot_index;
-    let end_slot = start_slot + epoch_info.slots_in_epoch;
-    println_name_value(
-        "Epoch Slot Range:",
-        &format!("[{}..{})", start_slot, end_slot),
-    );
-    println_name_value(
-        "Epoch Completed Percent:",
-        &format!(
-            "{:>3.3}%",
-            epoch_info.slot_index as f64 / epoch_info.slots_in_epoch as f64 * 100_f64
-        ),
-    );
-    let remaining_slots_in_epoch = epoch_info.slots_in_epoch - epoch_info.slot_index;
-    println_name_value(
-        "Epoch Completed Slots:",
-        &format!(
-            "{}/{} ({} remaining)",
-            epoch_info.slot_index, epoch_info.slots_in_epoch, remaining_slots_in_epoch
-        ),
-    );
-    println_name_value(
-        "Epoch Completed Time:",
-        &format!(
-            "{}/{} ({} remaining)",
-            slot_to_human_time(epoch_info.slot_index),
-            slot_to_human_time(epoch_info.slots_in_epoch),
-            slot_to_human_time(remaining_slots_in_epoch)
-        ),
-    );
+    let epoch_info: CliEpochInfo = rpc_client
+        .get_epoch_info_with_commitment(commitment_config.clone())?
+        .into();
+    config.output_format.formatted_print(&epoch_info);
     Ok("".to_string())
 }
 
@@ -606,6 +624,14 @@ pub fn process_get_slot(
     Ok(slot.to_string())
 }
 
+pub fn process_get_epoch(
+    rpc_client: &RpcClient,
+    commitment_config: CommitmentConfig,
+) -> ProcessResult {
+    let epoch_info = rpc_client.get_epoch_info_with_commitment(commitment_config.clone())?;
+    Ok(epoch_info.epoch.to_string())
+}
+
 pub fn parse_show_block_production(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliError> {
     let epoch = value_t!(matches, "epoch", Epoch).ok();
     let slot_limit = value_t!(matches, "slot_limit", u64).ok();
@@ -674,9 +700,9 @@ pub fn process_show_block_production(
     let start_slot_index = (start_slot - first_slot_in_epoch) as usize;
     let end_slot_index = (end_slot - first_slot_in_epoch) as usize;
     let total_slots = end_slot_index - start_slot_index + 1;
-    let total_blocks = confirmed_blocks.len();
-    assert!(total_blocks <= total_slots);
-    let total_slots_skipped = total_slots - total_blocks;
+    let total_blocks_produced = confirmed_blocks.len();
+    assert!(total_blocks_produced <= total_slots);
+    let total_slots_skipped = total_slots - total_blocks_produced;
     let mut leader_slot_count = HashMap::new();
     let mut leader_skipped_slots = HashMap::new();
 
@@ -700,7 +726,7 @@ pub fn process_show_block_production(
 
     progress_bar.set_message(&format!(
         "Processing {} slots containing {} blocks and {} empty slots...",
-        total_slots, total_blocks, total_slots_skipped
+        total_slots, total_blocks_produced, total_slots_skipped
     ));
 
     let mut confirmed_blocks_index = 0;
@@ -719,71 +745,52 @@ pub fn process_show_block_production(
                     continue;
                 }
                 if slot_of_next_confirmed_block == slot {
-                    individual_slot_status
-                        .push(style(format!("  {:<15} {:<44}", slot, leader)).to_string());
+                    individual_slot_status.push(CliSlotStatus {
+                        slot,
+                        leader: (*leader).to_string(),
+                        skipped: false,
+                    });
                     break;
                 }
             }
             *skipped_slots += 1;
-            individual_slot_status.push(
-                style(format!("  {:<15} {:<44} SKIPPED", slot, leader))
-                    .red()
-                    .to_string(),
-            );
+            individual_slot_status.push(CliSlotStatus {
+                slot,
+                leader: (*leader).to_string(),
+                skipped: true,
+            });
             break;
         }
     }
 
     progress_bar.finish_and_clear();
-    println!(
-        "\n{}",
-        style(format!(
-            "  {:<44}  {:>15}  {:>15}  {:>15}  {:>23}",
-            "Identity Pubkey",
-            "Leader Slots",
-            "Blocks Produced",
-            "Skipped Slots",
-            "Skipped Slot Percentage",
-        ))
-        .bold()
-    );
 
-    let mut table = vec![];
-    for (leader, leader_slots) in leader_slot_count.iter() {
-        let skipped_slots = leader_skipped_slots.get(leader).unwrap();
-        let blocks_produced = leader_slots - skipped_slots;
-        table.push(format!(
-            "  {:<44}  {:>15}  {:>15}  {:>15}  {:>22.2}%",
-            leader,
-            leader_slots,
-            blocks_produced,
-            skipped_slots,
-            *skipped_slots as f64 / *leader_slots as f64 * 100.
-        ));
-    }
-    table.sort();
-
-    println!(
-        "{}\n\n  {:<44}  {:>15}  {:>15}  {:>15}  {:>22.2}%",
-        table.join("\n"),
-        format!("Epoch {} total:", epoch),
+    let mut leaders: Vec<CliBlockProductionEntry> = leader_slot_count
+        .iter()
+        .map(|(leader, leader_slots)| {
+            let skipped_slots = leader_skipped_slots.get(leader).unwrap();
+            let blocks_produced = leader_slots - skipped_slots;
+            CliBlockProductionEntry {
+                identity_pubkey: (**leader).to_string(),
+                leader_slots: *leader_slots,
+                blocks_produced,
+                skipped_slots: *skipped_slots,
+            }
+        })
+        .collect();
+    leaders.sort_by(|a, b| a.identity_pubkey.partial_cmp(&b.identity_pubkey).unwrap());
+    let block_production = CliBlockProduction {
+        epoch,
+        start_slot,
+        end_slot,
         total_slots,
-        total_blocks,
+        total_blocks_produced,
         total_slots_skipped,
-        total_slots_skipped as f64 / total_slots as f64 * 100.
-    );
-    println!(
-        "  (using data from {} slots: {} to {})",
-        total_slots, start_slot, end_slot
-    );
-
-    if config.verbose {
-        println!(
-            "\n\n{}\n{}",
-            style(format!("  {:<15} {:<44}", "Slot", "Identity Pubkey")).bold(),
-            individual_slot_status.join("\n")
-        );
-    }
+        leaders,
+        individual_slot_status,
+        verbose: config.verbose,
+    };
+    config.output_format.formatted_print(&block_production);
     Ok("".to_string())
 }
 
@@ -1065,10 +1072,11 @@ pub fn process_show_gossip(rpc_client: &RpcClient) -> ProcessResult {
 
 pub fn process_show_stakes(
     rpc_client: &RpcClient,
+    config: &CliConfig,
     use_lamports_unit: bool,
     vote_account_pubkeys: Option<&[Pubkey]>,
 ) -> ProcessResult {
-    use crate::stake::print_stake_state;
+    use crate::stake::build_stake_state;
     use solana_stake_program::stake_state::StakeState;
 
     let progress_bar = new_spinner_progress_bar();
@@ -1076,13 +1084,20 @@ pub fn process_show_stakes(
     let all_stake_accounts = rpc_client.get_program_accounts(&solana_stake_program::id())?;
     progress_bar.finish_and_clear();
 
+    let mut stake_accounts: Vec<CliKeyedStakeState> = vec![];
     for (stake_pubkey, stake_account) in all_stake_accounts {
         if let Ok(stake_state) = stake_account.state() {
             match stake_state {
                 StakeState::Initialized(_) => {
                     if vote_account_pubkeys.is_none() {
-                        println!("\nstake pubkey: {}", stake_pubkey);
-                        print_stake_state(stake_account.lamports, &stake_state, use_lamports_unit);
+                        stake_accounts.push(CliKeyedStakeState {
+                            stake_pubkey: stake_pubkey.to_string(),
+                            stake_state: build_stake_state(
+                                stake_account.lamports,
+                                &stake_state,
+                                use_lamports_unit,
+                            ),
+                        });
                     }
                 }
                 StakeState::Stake(_, stake) => {
@@ -1091,19 +1106,29 @@ pub fn process_show_stakes(
                             .unwrap()
                             .contains(&stake.delegation.voter_pubkey)
                     {
-                        println!("\nstake pubkey: {}", stake_pubkey);
-                        print_stake_state(stake_account.lamports, &stake_state, use_lamports_unit);
+                        stake_accounts.push(CliKeyedStakeState {
+                            stake_pubkey: stake_pubkey.to_string(),
+                            stake_state: build_stake_state(
+                                stake_account.lamports,
+                                &stake_state,
+                                use_lamports_unit,
+                            ),
+                        });
                     }
                 }
                 _ => {}
             }
         }
     }
+    config
+        .output_format
+        .formatted_print(&CliStakeVec::new(stake_accounts));
     Ok("".to_string())
 }
 
 pub fn process_show_validators(
     rpc_client: &RpcClient,
+    config: &CliConfig,
     use_lamports_unit: bool,
     commitment_config: CommitmentConfig,
 ) -> ProcessResult {
@@ -1113,123 +1138,64 @@ pub fn process_show_validators(
         .current
         .iter()
         .chain(vote_accounts.delinquent.iter())
-        .fold(0, |acc, vote_account| acc + vote_account.activated_stake)
-        as f64;
+        .fold(0, |acc, vote_account| acc + vote_account.activated_stake);
 
     let total_deliquent_stake = vote_accounts
         .delinquent
         .iter()
-        .fold(0, |acc, vote_account| acc + vote_account.activated_stake)
-        as f64;
+        .fold(0, |acc, vote_account| acc + vote_account.activated_stake);
     let total_current_stake = total_active_stake - total_deliquent_stake;
 
-    println_name_value(
-        "Active Stake:",
-        &build_balance_message(total_active_stake as u64, use_lamports_unit, true),
-    );
-    if total_deliquent_stake > 0. {
-        println_name_value(
-            "Current Stake:",
-            &format!(
-                "{} ({:0.2}%)",
-                &build_balance_message(total_current_stake as u64, use_lamports_unit, true),
-                100. * total_current_stake / total_active_stake
-            ),
-        );
-        println_name_value(
-            "Delinquent Stake:",
-            &format!(
-                "{} ({:0.2}%)",
-                &build_balance_message(total_deliquent_stake as u64, use_lamports_unit, true),
-                100. * total_deliquent_stake / total_active_stake
-            ),
-        );
-    }
-    println!();
+    let mut current = vote_accounts.current;
+    current.sort_by(|a, b| b.activated_stake.cmp(&a.activated_stake));
+    let current_validators: Vec<CliValidator> = current
+        .iter()
+        .map(|vote_account| CliValidator::new(vote_account, epoch_info.epoch))
+        .collect();
+    let mut delinquent = vote_accounts.delinquent;
+    delinquent.sort_by(|a, b| b.activated_stake.cmp(&a.activated_stake));
+    let delinquent_validators: Vec<CliValidator> = delinquent
+        .iter()
+        .map(|vote_account| CliValidator::new(vote_account, epoch_info.epoch))
+        .collect();
+
+    let cli_validators = CliValidators {
+        total_active_stake,
+        total_current_stake,
+        total_deliquent_stake,
+        current_validators,
+        delinquent_validators,
+        use_lamports_unit,
+    };
+    config.output_format.formatted_print(&cli_validators);
+    Ok("".to_string())
+}
+
+pub fn process_transaction_history(
+    rpc_client: &RpcClient,
+    address: &Pubkey,
+    end_slot: Option<Slot>, // None == use latest slot
+    slot_limit: u64,
+) -> ProcessResult {
+    let end_slot = {
+        if let Some(end_slot) = end_slot {
+            end_slot
+        } else {
+            rpc_client.get_slot_with_commitment(CommitmentConfig::max())?
+        }
+    };
+    let start_slot = end_slot.saturating_sub(slot_limit);
 
     println!(
-        "{}",
-        style(format!(
-            "  {:<44}  {:<44}  {}  {}  {}  {:>7}  {}",
-            "Identity Pubkey",
-            "Vote Account Pubkey",
-            "Commission",
-            "Last Vote",
-            "Root Block",
-            "Credits",
-            "Active Stake",
-        ))
-        .bold()
+        "Transactions affecting {} within slots [{},{}]",
+        address, start_slot, end_slot
     );
-
-    fn print_vote_account(
-        vote_account: RpcVoteAccountInfo,
-        current_epoch: Epoch,
-        total_active_stake: f64,
-        use_lamports_unit: bool,
-        delinquent: bool,
-    ) {
-        fn non_zero_or_dash(v: u64) -> String {
-            if v == 0 {
-                "-".into()
-            } else {
-                format!("{}", v)
-            }
-        }
-
-        println!(
-            "{} {:<44}  {:<44}  {:>9}%   {:>8}  {:>10}  {:>7}  {}",
-            if delinquent {
-                WARNING.to_string()
-            } else {
-                " ".to_string()
-            },
-            vote_account.node_pubkey,
-            vote_account.vote_pubkey,
-            vote_account.commission,
-            non_zero_or_dash(vote_account.last_vote),
-            non_zero_or_dash(vote_account.root_slot),
-            vote_account
-                .epoch_credits
-                .iter()
-                .find_map(|(epoch, credits, _)| if *epoch == current_epoch {
-                    Some(*credits)
-                } else {
-                    None
-                })
-                .unwrap_or(0),
-            if vote_account.activated_stake > 0 {
-                format!(
-                    "{} ({:.2}%)",
-                    build_balance_message(vote_account.activated_stake, use_lamports_unit, true),
-                    100. * vote_account.activated_stake as f64 / total_active_stake
-                )
-            } else {
-                "-".into()
-            },
-        );
+    let signatures =
+        rpc_client.get_confirmed_signatures_for_address(address, start_slot, end_slot)?;
+    for signature in &signatures {
+        println!("{}", signature);
     }
-
-    for vote_account in vote_accounts.current.into_iter() {
-        print_vote_account(
-            vote_account,
-            epoch_info.epoch,
-            total_active_stake,
-            use_lamports_unit,
-            false,
-        );
-    }
-    for vote_account in vote_accounts.delinquent.into_iter() {
-        print_vote_account(
-            vote_account,
-            epoch_info.epoch,
-            total_active_stake,
-            use_lamports_unit,
-            true,
-        );
-    }
-
-    Ok("".to_string())
+    Ok(format!("{} transactions found", signatures.len(),))
 }
 
 #[cfg(test)]
@@ -1255,7 +1221,7 @@ mod tests {
             .clone()
             .get_matches_from(vec!["test", "cluster-version"]);
         assert_eq!(
-            parse_command(&test_cluster_version, &default_keypair_file, None).unwrap(),
+            parse_command(&test_cluster_version, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::ClusterVersion,
                 signers: vec![],
@@ -1264,7 +1230,7 @@ mod tests {
 
         let test_fees = test_commands.clone().get_matches_from(vec!["test", "fees"]);
         assert_eq!(
-            parse_command(&test_fees, &default_keypair_file, None).unwrap(),
+            parse_command(&test_fees, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Fees,
                 signers: vec![],
@@ -1277,7 +1243,7 @@ mod tests {
                 .clone()
                 .get_matches_from(vec!["test", "block-time", &slot.to_string()]);
         assert_eq!(
-            parse_command(&test_get_block_time, &default_keypair_file, None).unwrap(),
+            parse_command(&test_get_block_time, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetBlockTime { slot },
                 signers: vec![],
@@ -1288,7 +1254,7 @@ mod tests {
             .clone()
             .get_matches_from(vec!["test", "epoch-info"]);
         assert_eq!(
-            parse_command(&test_get_epoch_info, &default_keypair_file, None).unwrap(),
+            parse_command(&test_get_epoch_info, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetEpochInfo {
                     commitment_config: CommitmentConfig::recent(),
@@ -1301,7 +1267,7 @@ mod tests {
             .clone()
             .get_matches_from(vec!["test", "genesis-hash"]);
         assert_eq!(
-            parse_command(&test_get_genesis_hash, &default_keypair_file, None).unwrap(),
+            parse_command(&test_get_genesis_hash, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetGenesisHash,
                 signers: vec![],
@@ -1310,7 +1276,7 @@ mod tests {
 
         let test_get_slot = test_commands.clone().get_matches_from(vec!["test", "slot"]);
         assert_eq!(
-            parse_command(&test_get_slot, &default_keypair_file, None).unwrap(),
+            parse_command(&test_get_slot, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetSlot {
                     commitment_config: CommitmentConfig::recent(),
@@ -1319,11 +1285,24 @@ mod tests {
             }
         );
 
+        let test_get_epoch = test_commands
+            .clone()
+            .get_matches_from(vec!["test", "epoch"]);
+        assert_eq!(
+            parse_command(&test_get_epoch, &default_keypair_file, &mut None).unwrap(),
+            CliCommandInfo {
+                command: CliCommand::GetEpoch {
+                    commitment_config: CommitmentConfig::recent(),
+                },
+                signers: vec![],
+            }
+        );
+
         let test_total_supply = test_commands
             .clone()
             .get_matches_from(vec!["test", "total-supply"]);
         assert_eq!(
-            parse_command(&test_total_supply, &default_keypair_file, None).unwrap(),
+            parse_command(&test_total_supply, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::TotalSupply {
                     commitment_config: CommitmentConfig::recent(),
@@ -1336,7 +1315,7 @@ mod tests {
             .clone()
             .get_matches_from(vec!["test", "transaction-count"]);
         assert_eq!(
-            parse_command(&test_transaction_count, &default_keypair_file, None).unwrap(),
+            parse_command(&test_transaction_count, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetTransactionCount {
                     commitment_config: CommitmentConfig::recent(),
@@ -1354,17 +1333,18 @@ mod tests {
             "2",
             "-t",
             "3",
-            "--confirmed",
+            "--commitment",
+            "max",
         ]);
         assert_eq!(
-            parse_command(&test_ping, &default_keypair_file, None).unwrap(),
+            parse_command(&test_ping, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::Ping {
                     lamports: 1,
                     interval: Duration::from_secs(1),
                     count: Some(2),
                     timeout: Duration::from_secs(3),
-                    commitment_config: CommitmentConfig::default(),
+                    commitment_config: CommitmentConfig::max(),
                 },
                 signers: vec![default_keypair.into()],
             }

cli/src/display.rs

@@ -1,6 +1,11 @@
 use crate::cli::SettingType;
 use console::style;
-use solana_sdk::hash::Hash;
+use solana_sdk::{
+    hash::Hash, native_token::lamports_to_sol, program_utils::limited_deserialize,
+    transaction::Transaction,
+};
+use solana_transaction_status::RpcTransactionStatusMeta;
+use std::{fmt, io};
 
 // Pretty print a "name value"
 pub fn println_name_value(name: &str, value: &str) {
@@ -12,6 +17,15 @@ pub fn println_name_value(name: &str, value: &str) {
     println!("{} {}", style(name).bold(), styled_value);
 }
 
+pub fn writeln_name_value(f: &mut fmt::Formatter, name: &str, value: &str) -> fmt::Result {
+    let styled_value = if value == "" {
+        style("(not set)").italic()
+    } else {
+        style(value)
+    };
+    writeln!(f, "{} {}", style(name).bold(), styled_value)
+}
+
 pub fn println_name_value_or(name: &str, value: &str, setting_type: SettingType) {
     let description = match setting_type {
         SettingType::Explicit => "",
@@ -49,3 +63,135 @@ pub fn println_signers(
     }
     println!();
 }
+
+pub fn write_transaction<W: io::Write>(
+    w: &mut W,
+    transaction: &Transaction,
+    transaction_status: &Option<RpcTransactionStatusMeta>,
+    prefix: &str,
+) -> io::Result<()> {
+    let message = &transaction.message;
+    writeln!(
+        w,
+        "{}Recent Blockhash: {:?}",
+        prefix, message.recent_blockhash
+    )?;
+    for (signature_index, signature) in transaction.signatures.iter().enumerate() {
+        writeln!(
+            w,
+            "{}Signature {}: {:?}",
+            prefix, signature_index, signature
+        )?;
+    }
+    writeln!(w, "{}{:?}", prefix, message.header)?;
+    for (account_index, account) in message.account_keys.iter().enumerate() {
+        writeln!(w, "{}Account {}: {:?}", prefix, account_index, account)?;
+    }
+    for (instruction_index, instruction) in message.instructions.iter().enumerate() {
+        let program_pubkey = message.account_keys[instruction.program_id_index as usize];
+        writeln!(w, "{}Instruction {}", prefix, instruction_index)?;
+        writeln!(
+            w,
+            "{}  Program: {} ({})",
+            prefix, program_pubkey, instruction.program_id_index
+        )?;
+        for (account_index, account) in instruction.accounts.iter().enumerate() {
+            let account_pubkey = message.account_keys[*account as usize];
+            writeln!(
+                w,
+                "{}  Account {}: {} ({})",
+                prefix, account_index, account_pubkey, account
+            )?;
+        }
+
+        let mut raw = true;
+        if program_pubkey == solana_vote_program::id() {
+            if let Ok(vote_instruction) = limited_deserialize::<
+                solana_vote_program::vote_instruction::VoteInstruction,
+            >(&instruction.data)
+            {
+                writeln!(w, "{}  {:?}", prefix, vote_instruction)?;
+                raw = false;
+            }
+        } else if program_pubkey == solana_stake_program::id() {
+            if let Ok(stake_instruction) = limited_deserialize::<
+                solana_stake_program::stake_instruction::StakeInstruction,
+            >(&instruction.data)
+            {
+                writeln!(w, "{}  {:?}", prefix, stake_instruction)?;
+                raw = false;
+            }
+        } else if program_pubkey == solana_sdk::system_program::id() {
+            if let Ok(system_instruction) = limited_deserialize::<
+                solana_sdk::system_instruction::SystemInstruction,
+            >(&instruction.data)
+            {
+                writeln!(w, "{}  {:?}", prefix, system_instruction)?;
+                raw = false;
+            }
+        }
+
+        if raw {
+            writeln!(w, "{}  Data: {:?}", prefix, instruction.data)?;
+        }
+    }
+
+    if let Some(transaction_status) = transaction_status {
+        writeln!(
+            w,
+            "{}Status: {}",
+            prefix,
+            match &transaction_status.status {
+                Ok(_) => "Ok".into(),
+                Err(err) => err.to_string(),
+            }
+        )?;
+        writeln!(w, "{}  Fee: {}", prefix, transaction_status.fee)?;
+        assert_eq!(
+            transaction_status.pre_balances.len(),
+            transaction_status.post_balances.len()
+        );
+        for (i, (pre, post)) in transaction_status
+            .pre_balances
+            .iter()
+            .zip(transaction_status.post_balances.iter())
+            .enumerate()
+        {
+            if pre == post {
+                writeln!(
+                    w,
+                    "{}  Account {} balance: {} SOL",
+                    prefix,
+                    i,
+                    lamports_to_sol(*pre)
+                )?;
+            } else {
+                writeln!(
+                    w,
+                    "{}  Account {} balance: {} SOL -> {} SOL",
+                    prefix,
+                    i,
+                    lamports_to_sol(*pre),
+                    lamports_to_sol(*post)
+                )?;
+            }
+        }
+    } else {
+        writeln!(w, "{}Status: Unavailable", prefix)?;
+    }
+
+    Ok(())
+}
+
+pub fn println_transaction(
+    transaction: &Transaction,
+    transaction_status: &Option<RpcTransactionStatusMeta>,
+    prefix: &str,
+) {
+    let mut w = Vec::new();
+    if write_transaction(&mut w, transaction, transaction_status, prefix).is_ok() {
+        if let Ok(s) = String::from_utf8(w) {
+            print!("{}", s);
+        }
+    }
+}

cli/src/lib.rs

@@ -1,4 +1,8 @@
+#[macro_use]
+extern crate serde_derive;
+
 pub mod cli;
+pub mod cli_output;
 pub mod cluster_query;
 pub mod display;
 pub mod nonce;

cli/src/main.rs

@@ -7,10 +7,11 @@ use solana_clap_utils::{
 };
 use solana_cli::{
     cli::{app, parse_command, process_command, CliCommandInfo, CliConfig, CliSigners},
+    cli_output::OutputFormat,
     display::{println_name_value, println_name_value_or},
 };
 use solana_cli_config::{Config, CONFIG_FILE};
-use solana_remote_wallet::remote_wallet::{maybe_wallet_manager, RemoteWalletManager};
+use solana_remote_wallet::remote_wallet::RemoteWalletManager;
 use std::{error, sync::Arc};
 
 fn parse_settings(matches: &ArgMatches<'_>) -> Result<bool, Box<dyn error::Error>> {
@@ -102,7 +103,7 @@ fn parse_settings(matches: &ArgMatches<'_>) -> Result<bool, Box<dyn error::Error
 
 pub fn parse_args<'a>(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<Arc<RemoteWalletManager>>,
+    mut wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<(CliConfig<'a>, CliSigners), Box<dyn error::Error>> {
     let config = if let Some(config_file) = matches.value_of("config_file") {
         Config::load(config_file).unwrap_or_default()
@@ -125,7 +126,16 @@ pub fn parse_args<'a>(
     );
 
     let CliCommandInfo { command, signers } =
-        parse_command(&matches, &default_signer_path, wallet_manager.as_ref())?;
+        parse_command(&matches, &default_signer_path, &mut wallet_manager)?;
+
+    let output_format = matches
+        .value_of("output_format")
+        .map(|value| match value {
+            "json" => OutputFormat::Json,
+            "json-compact" => OutputFormat::JsonCompact,
+            _ => unreachable!(),
+        })
+        .unwrap_or(OutputFormat::Display);
 
     Ok((
         CliConfig {
@@ -136,6 +146,7 @@ pub fn parse_args<'a>(
             keypair_path: default_signer_path,
             rpc_client: None,
             verbose: matches.is_present("verbose"),
+            output_format,
         },
         signers,
     ))
@@ -197,6 +208,14 @@ fn main() -> Result<(), Box<dyn error::Error>> {
             .global(true)
             .help("Show additional information"),
     )
+    .arg(
+        Arg::with_name("output_format")
+            .long("output")
+            .global(true)
+            .takes_value(true)
+            .possible_values(&["json", "json-compact"])
+            .help("Return information in specified output format. Supports: json, json-compact"),
+    )
     .arg(
         Arg::with_name(SKIP_SEED_PHRASE_VALIDATION_ARG.name)
             .long(SKIP_SEED_PHRASE_VALIDATION_ARG.long)
@@ -238,9 +257,9 @@ fn main() -> Result<(), Box<dyn error::Error>> {
 
 fn do_main(matches: &ArgMatches<'_>) -> Result<(), Box<dyn error::Error>> {
     if parse_settings(&matches)? {
-        let wallet_manager = maybe_wallet_manager()?;
+        let mut wallet_manager = None;
 
-        let (mut config, signers) = parse_args(&matches, wallet_manager)?;
+        let (mut config, signers) = parse_args(&matches, &mut wallet_manager)?;
         config.signers = signers.iter().map(|s| s.as_ref()).collect();
         let result = process_command(&config)?;
         let (_, submatches) = matches.subcommand();

cli/src/nonce.rs

@@ -1,7 +1,10 @@
-use crate::cli::{
-    build_balance_message, check_account_for_fee, check_unique_pubkeys, generate_unique_signers,
-    log_instruction_custom_error, CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult,
-    SignerIndex,
+use crate::{
+    cli::{
+        check_account_for_fee, check_unique_pubkeys, generate_unique_signers,
+        log_instruction_custom_error, CliCommand, CliCommandInfo, CliConfig, CliError,
+        ProcessResult, SignerIndex,
+    },
+    cli_output::CliNonceAccount,
 };
 use clap::{App, Arg, ArgMatches, SubCommand};
 use solana_clap_utils::{
@@ -276,7 +279,7 @@ pub fn data_from_state(state: &State) -> Result<&Data, CliNonceError> {
 pub fn parse_authorize_nonce_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let nonce_account = pubkey_of_signer(matches, "nonce_account_pubkey", wallet_manager)?.unwrap();
     let new_authority = pubkey_of_signer(matches, "new_authority", wallet_manager)?.unwrap();
@@ -304,7 +307,7 @@ pub fn parse_authorize_nonce_account(
 pub fn parse_nonce_create_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let (nonce_account, nonce_account_pubkey) =
         signer_of(matches, "nonce_account_keypair", wallet_manager)?;
@@ -333,7 +336,7 @@ pub fn parse_nonce_create_account(
 
 pub fn parse_get_nonce(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let nonce_account_pubkey =
         pubkey_of_signer(matches, "nonce_account_pubkey", wallet_manager)?.unwrap();
@@ -347,7 +350,7 @@ pub fn parse_get_nonce(
 pub fn parse_new_nonce(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let nonce_account = pubkey_of_signer(matches, "nonce_account_pubkey", wallet_manager)?.unwrap();
     let (nonce_authority, nonce_authority_pubkey) =
@@ -372,7 +375,7 @@ pub fn parse_new_nonce(
 
 pub fn parse_show_nonce_account(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let nonce_account_pubkey =
         pubkey_of_signer(matches, "nonce_account_pubkey", wallet_manager)?.unwrap();
@@ -390,7 +393,7 @@ pub fn parse_show_nonce_account(
 pub fn parse_withdraw_from_nonce_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let nonce_account = pubkey_of_signer(matches, "nonce_account_pubkey", wallet_manager)?.unwrap();
     let destination_account_pubkey =
@@ -584,38 +587,26 @@ pub fn process_new_nonce(
 
 pub fn process_show_nonce_account(
     rpc_client: &RpcClient,
+    config: &CliConfig,
     nonce_account_pubkey: &Pubkey,
     use_lamports_unit: bool,
 ) -> ProcessResult {
     let nonce_account = get_account(rpc_client, nonce_account_pubkey)?;
     let print_account = |data: Option<&nonce::state::Data>| {
-        println!(
-            "Balance: {}",
-            build_balance_message(nonce_account.lamports, use_lamports_unit, true)
-        );
-        println!(
-            "Minimum Balance Required: {}",
-            build_balance_message(
-                rpc_client.get_minimum_balance_for_rent_exemption(State::size())?,
-                use_lamports_unit,
-                true
-            )
-        );
-        match data {
-            Some(ref data) => {
-                println!("Nonce: {}", data.blockhash);
-                println!(
-                    "Fee: {} lamports per signature",
-                    data.fee_calculator.lamports_per_signature
-                );
-                println!("Authority: {}", data.authority);
-            }
-            None => {
-                println!("Nonce: uninitialized");
-                println!("Fees: uninitialized");
-                println!("Authority: uninitialized");
-            }
+        let mut nonce_account = CliNonceAccount {
+            balance: nonce_account.lamports,
+            minimum_balance_for_rent_exemption: rpc_client
+                .get_minimum_balance_for_rent_exemption(State::size())?,
+            use_lamports_unit,
+            ..CliNonceAccount::default()
+        };
+        if let Some(ref data) = data {
+            nonce_account.nonce = Some(data.blockhash.to_string());
+            nonce_account.lamports_per_signature = Some(data.fee_calculator.lamports_per_signature);
+            nonce_account.authority = Some(data.authority.to_string());
         }
+
+        config.output_format.formatted_print(&nonce_account);
         Ok("".to_string())
     };
     match state_from_account(&nonce_account)? {
@@ -697,7 +688,12 @@ mod tests {
             &Pubkey::default().to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_authorize_nonce_account, &default_keypair_file, None).unwrap(),
+            parse_command(
+                &test_authorize_nonce_account,
+                &default_keypair_file,
+                &mut None
+            )
+            .unwrap(),
             CliCommandInfo {
                 command: CliCommand::AuthorizeNonceAccount {
                     nonce_account: nonce_account_pubkey,
@@ -718,7 +714,12 @@ mod tests {
             &authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_authorize_nonce_account, &default_keypair_file, None).unwrap(),
+            parse_command(
+                &test_authorize_nonce_account,
+                &default_keypair_file,
+                &mut None
+            )
+            .unwrap(),
             CliCommandInfo {
                 command: CliCommand::AuthorizeNonceAccount {
                     nonce_account: read_keypair_file(&keypair_file).unwrap().pubkey(),
@@ -740,7 +741,7 @@ mod tests {
             "50",
         ]);
         assert_eq!(
-            parse_command(&test_create_nonce_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_nonce_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateNonceAccount {
                     nonce_account: 1,
@@ -765,7 +766,7 @@ mod tests {
             &authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_create_nonce_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_nonce_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateNonceAccount {
                     nonce_account: 1,
@@ -787,7 +788,7 @@ mod tests {
             &nonce_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_get_nonce, &default_keypair_file, None).unwrap(),
+            parse_command(&test_get_nonce, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::GetNonce(nonce_account_keypair.pubkey()),
                 signers: vec![],
@@ -801,7 +802,7 @@ mod tests {
                 .get_matches_from(vec!["test", "new-nonce", &keypair_file]);
         let nonce_account = read_keypair_file(&keypair_file).unwrap();
         assert_eq!(
-            parse_command(&test_new_nonce, &default_keypair_file, None).unwrap(),
+            parse_command(&test_new_nonce, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::NewNonce {
                     nonce_account: nonce_account.pubkey(),
@@ -821,7 +822,7 @@ mod tests {
         ]);
         let nonce_account = read_keypair_file(&keypair_file).unwrap();
         assert_eq!(
-            parse_command(&test_new_nonce, &default_keypair_file, None).unwrap(),
+            parse_command(&test_new_nonce, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::NewNonce {
                     nonce_account: nonce_account.pubkey(),
@@ -841,7 +842,7 @@ mod tests {
             &nonce_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_show_nonce_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_show_nonce_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::ShowNonceAccount {
                     nonce_account_pubkey: nonce_account_keypair.pubkey(),
@@ -863,7 +864,7 @@ mod tests {
             parse_command(
                 &test_withdraw_from_nonce_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {
@@ -891,7 +892,7 @@ mod tests {
             parse_command(
                 &test_withdraw_from_nonce_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {

cli/src/stake.rs

@@ -1,15 +1,14 @@
 use crate::{
     cli::{
-        build_balance_message, check_account_for_fee, check_unique_pubkeys, fee_payer_arg,
-        generate_unique_signers, log_instruction_custom_error, nonce_authority_arg, return_signers,
-        CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult, SignerIndex, FEE_PAYER_ARG,
+        check_account_for_fee, check_unique_pubkeys, fee_payer_arg, generate_unique_signers,
+        log_instruction_custom_error, nonce_authority_arg, return_signers, CliCommand,
+        CliCommandInfo, CliConfig, CliError, ProcessResult, SignerIndex, FEE_PAYER_ARG,
     },
+    cli_output::{CliStakeHistory, CliStakeHistoryEntry, CliStakeState, CliStakeType},
     nonce::{check_nonce_account, nonce_arg, NONCE_ARG, NONCE_AUTHORITY_ARG},
     offline::{blockhash_query::BlockhashQuery, *},
 };
-use chrono::{DateTime, NaiveDateTime, SecondsFormat, Utc};
 use clap::{App, Arg, ArgGroup, ArgMatches, SubCommand};
-use console::style;
 use solana_clap_utils::{input_parsers::*, input_validators::*, offline::*, ArgConstant};
 use solana_client::rpc_client::RpcClient;
 use solana_remote_wallet::remote_wallet::RemoteWalletManager;
@@ -314,6 +313,14 @@ impl StakeSubCommands for App<'_, '_> {
                 .arg(nonce_arg())
                 .arg(nonce_authority_arg())
                 .arg(fee_payer_arg())
+                .arg(
+                    Arg::with_name("custodian")
+                        .long("custodian")
+                        .takes_value(true)
+                        .value_name("KEYPAIR")
+                        .validator(is_valid_signer)
+                        .help("Authority to override account lockup")
+                )
         )
         .subcommand(
             SubCommand::with_name("stake-set-lockup")
@@ -403,7 +410,7 @@ impl StakeSubCommands for App<'_, '_> {
 pub fn parse_stake_create_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let seed = matches.value_of("seed").map(|s| s.to_string());
     let epoch = value_of(matches, "lockup_epoch").unwrap_or(0);
@@ -455,7 +462,7 @@ pub fn parse_stake_create_account(
 pub fn parse_stake_delegate_stake(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -497,7 +504,7 @@ pub fn parse_stake_delegate_stake(
 pub fn parse_stake_authorize(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -580,7 +587,7 @@ pub fn parse_stake_authorize(
 pub fn parse_split_stake(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -625,7 +632,7 @@ pub fn parse_split_stake(
 pub fn parse_stake_deactivate_stake(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -662,7 +669,7 @@ pub fn parse_stake_deactivate_stake(
 pub fn parse_stake_withdraw_stake(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -677,11 +684,15 @@ pub fn parse_stake_withdraw_stake(
     let (nonce_authority, nonce_authority_pubkey) =
         signer_of(matches, NONCE_AUTHORITY_ARG.name, wallet_manager)?;
     let (fee_payer, fee_payer_pubkey) = signer_of(matches, FEE_PAYER_ARG.name, wallet_manager)?;
+    let (custodian, custodian_pubkey) = signer_of(matches, "custodian", wallet_manager)?;
 
     let mut bulk_signers = vec![withdraw_authority, fee_payer];
     if nonce_account.is_some() {
         bulk_signers.push(nonce_authority);
     }
+    if custodian.is_some() {
+        bulk_signers.push(custodian);
+    }
     let signer_info =
         generate_unique_signers(bulk_signers, matches, default_signer_path, wallet_manager)?;
 
@@ -696,6 +707,7 @@ pub fn parse_stake_withdraw_stake(
             nonce_account,
             nonce_authority: signer_info.index_of(nonce_authority_pubkey).unwrap(),
             fee_payer: signer_info.index_of(fee_payer_pubkey).unwrap(),
+            custodian: custodian_pubkey.and_then(|_| signer_info.index_of(custodian_pubkey)),
         },
         signers: signer_info.signers,
     })
@@ -704,7 +716,7 @@ pub fn parse_stake_withdraw_stake(
 pub fn parse_stake_set_lockup(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -749,7 +761,7 @@ pub fn parse_stake_set_lockup(
 
 pub fn parse_show_stake_account(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let stake_account_pubkey =
         pubkey_of_signer(matches, "stake_account_pubkey", wallet_manager)?.unwrap();
@@ -1014,6 +1026,7 @@ pub fn process_withdraw_stake(
     destination_account_pubkey: &Pubkey,
     lamports: u64,
     withdraw_authority: SignerIndex,
+    custodian: Option<SignerIndex>,
     sign_only: bool,
     blockhash_query: &BlockhashQuery,
     nonce_account: Option<&Pubkey>,
@@ -1023,12 +1036,14 @@ pub fn process_withdraw_stake(
     let (recent_blockhash, fee_calculator) =
         blockhash_query.get_blockhash_and_fee_calculator(rpc_client)?;
     let withdraw_authority = config.signers[withdraw_authority];
+    let custodian = custodian.map(|index| config.signers[index]);
 
     let ixs = vec![stake_instruction::withdraw(
         stake_account_pubkey,
         &withdraw_authority.pubkey(),
         destination_account_pubkey,
         lamports,
+        custodian.map(|signer| signer.pubkey()).as_ref(),
     )];
 
     let fee_payer = config.signers[fee_payer];
@@ -1257,79 +1272,61 @@ pub fn process_stake_set_lockup(
     }
 }
 
-pub fn print_stake_state(stake_lamports: u64, stake_state: &StakeState, use_lamports_unit: bool) {
-    fn show_authorized(authorized: &Authorized) {
-        println!("Stake Authority: {}", authorized.staker);
-        println!("Withdraw Authority: {}", authorized.withdrawer);
-    }
-    fn show_lockup(lockup: &Lockup) {
-        println!(
-            "Lockup Timestamp: {} (UnixTimestamp: {})",
-            DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(lockup.unix_timestamp, 0), Utc)
-                .to_rfc3339_opts(SecondsFormat::Secs, true),
-            lockup.unix_timestamp
-        );
-        println!("Lockup Epoch: {}", lockup.epoch);
-        println!("Lockup Custodian: {}", lockup.custodian);
-    }
+pub fn build_stake_state(
+    stake_lamports: u64,
+    stake_state: &StakeState,
+    use_lamports_unit: bool,
+) -> CliStakeState {
     match stake_state {
         StakeState::Stake(
             Meta {
                 authorized, lockup, ..
             },
             stake,
-        ) => {
-            println!(
-                "Total Stake: {}",
-                build_balance_message(stake_lamports, use_lamports_unit, true)
-            );
-            println!("Credits Observed: {}", stake.credits_observed);
-            println!(
-                "Delegated Stake: {}",
-                build_balance_message(stake.delegation.stake, use_lamports_unit, true)
-            );
-            if stake.delegation.voter_pubkey != Pubkey::default() {
-                println!(
-                    "Delegated Vote Account Address: {}",
-                    stake.delegation.voter_pubkey
-                );
-            }
-            println!(
-                "Stake activates starting from epoch: {}",
-                if stake.delegation.activation_epoch < std::u64::MAX {
-                    stake.delegation.activation_epoch
-                } else {
-                    0
-                }
-            );
-            if stake.delegation.deactivation_epoch < std::u64::MAX {
-                println!(
-                    "Stake deactivates starting from epoch: {}",
-                    stake.delegation.deactivation_epoch
-                );
-            }
-            show_authorized(&authorized);
-            show_lockup(&lockup);
-        }
-        StakeState::RewardsPool => println!("Stake account is a rewards pool"),
-        StakeState::Uninitialized => println!("Stake account is uninitialized"),
+        ) => CliStakeState {
+            stake_type: CliStakeType::Stake,
+            total_stake: stake_lamports,
+            delegated_stake: Some(stake.delegation.stake),
+            delegated_vote_account_address: if stake.delegation.voter_pubkey != Pubkey::default() {
+                Some(stake.delegation.voter_pubkey.to_string())
+            } else {
+                None
+            },
+            activation_epoch: Some(if stake.delegation.activation_epoch < std::u64::MAX {
+                stake.delegation.activation_epoch
+            } else {
+                0
+            }),
+            deactivation_epoch: if stake.delegation.deactivation_epoch < std::u64::MAX {
+                Some(stake.delegation.deactivation_epoch)
+            } else {
+                None
+            },
+            authorized: Some(authorized.into()),
+            lockup: Some(lockup.into()),
+            use_lamports_unit,
+        },
+        StakeState::RewardsPool => CliStakeState {
+            stake_type: CliStakeType::RewardsPool,
+            ..CliStakeState::default()
+        },
+        StakeState::Uninitialized => CliStakeState::default(),
         StakeState::Initialized(Meta {
             authorized, lockup, ..
-        }) => {
-            println!(
-                "Total Stake: {}",
-                build_balance_message(stake_lamports, use_lamports_unit, true)
-            );
-            println!("Stake account is undelegated");
-            show_authorized(&authorized);
-            show_lockup(&lockup);
-        }
+        }) => CliStakeState {
+            stake_type: CliStakeType::Initialized,
+            total_stake: stake_lamports,
+            authorized: Some(authorized.into()),
+            lockup: Some(lockup.into()),
+            use_lamports_unit,
+            ..CliStakeState::default()
+        },
     }
 }
 
 pub fn process_show_stake_account(
     rpc_client: &RpcClient,
-    _config: &CliConfig,
+    config: &CliConfig,
     stake_account_pubkey: &Pubkey,
     use_lamports_unit: bool,
 ) -> ProcessResult {
@@ -1343,7 +1340,8 @@ pub fn process_show_stake_account(
     }
     match stake_account.state() {
         Ok(stake_state) => {
-            print_stake_state(stake_account.lamports, &stake_state, use_lamports_unit);
+            let state = build_stake_state(stake_account.lamports, &stake_state, use_lamports_unit);
+            config.output_format.formatted_print(&state);
             Ok("".to_string())
         }
         Err(err) => Err(CliError::RpcRequestError(format!(
@@ -1356,7 +1354,7 @@ pub fn process_show_stake_account(
 
 pub fn process_show_stake_history(
     rpc_client: &RpcClient,
-    _config: &CliConfig,
+    config: &CliConfig,
     use_lamports_unit: bool,
 ) -> ProcessResult {
     let stake_history_account = rpc_client.get_account(&stake_history::id())?;
@@ -1364,26 +1362,15 @@ pub fn process_show_stake_history(
         CliError::RpcRequestError("Failed to deserialize stake history".to_string())
     })?;
 
-    println!();
-    println!(
-        "{}",
-        style(format!(
-            "  {:<5}  {:>20}  {:>20}  {:>20}",
-            "Epoch", "Effective Stake", "Activating Stake", "Deactivating Stake",
-        ))
-        .bold()
-    );
-
-    for (epoch, entry) in stake_history.deref() {
-        println!(
-            "  {:>5}  {:>20}  {:>20}  {:>20} {}",
-            epoch,
-            build_balance_message(entry.effective, use_lamports_unit, false),
-            build_balance_message(entry.activating, use_lamports_unit, false),
-            build_balance_message(entry.deactivating, use_lamports_unit, false),
-            if use_lamports_unit { "lamports" } else { "SOL" }
-        );
+    let mut entries: Vec<CliStakeHistoryEntry> = vec![];
+    for entry in stake_history.deref() {
+        entries.push(entry.into());
     }
+    let stake_history_output = CliStakeHistory {
+        entries,
+        use_lamports_unit,
+    };
+    config.output_format.formatted_print(&stake_history_output);
     Ok("".to_string())
 }
 
@@ -1525,6 +1512,9 @@ mod tests {
         let (stake_authority_keypair_file, mut tmp_file) = make_tmp_file();
         let stake_authority_keypair = Keypair::new();
         write_keypair(&stake_authority_keypair, tmp_file.as_file_mut()).unwrap();
+        let (custodian_keypair_file, mut tmp_file) = make_tmp_file();
+        let custodian_keypair = Keypair::new();
+        write_keypair(&custodian_keypair, tmp_file.as_file_mut()).unwrap();
 
         // stake-authorize subcommand
         let stake_account_string = stake_account_pubkey.to_string();
@@ -1542,7 +1532,7 @@ mod tests {
             &new_withdraw_string,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1576,7 +1566,7 @@ mod tests {
             &withdraw_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1614,7 +1604,7 @@ mod tests {
             &withdraw_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1644,7 +1634,7 @@ mod tests {
             &new_stake_string,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1668,7 +1658,7 @@ mod tests {
             &stake_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1698,7 +1688,7 @@ mod tests {
             &withdraw_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1725,7 +1715,7 @@ mod tests {
             &new_withdraw_string,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1753,7 +1743,7 @@ mod tests {
             &withdraw_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_stake_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_stake_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1791,7 +1781,7 @@ mod tests {
             "--sign-only",
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1824,7 +1814,7 @@ mod tests {
             &pubkey.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1870,7 +1860,7 @@ mod tests {
             &pubkey2.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1902,7 +1892,7 @@ mod tests {
             &blockhash_string,
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1939,7 +1929,7 @@ mod tests {
             &nonce_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -1975,7 +1965,7 @@ mod tests {
             &fee_payer_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -2009,7 +1999,7 @@ mod tests {
             &signer,
         ]);
         assert_eq!(
-            parse_command(&test_authorize, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::StakeAuthorize {
                     stake_account_pubkey,
@@ -2050,7 +2040,7 @@ mod tests {
             "43",
         ]);
         assert_eq!(
-            parse_command(&test_create_stake_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_stake_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateStakeAccount {
                     stake_account: 1,
@@ -2091,7 +2081,12 @@ mod tests {
         ]);
 
         assert_eq!(
-            parse_command(&test_create_stake_account2, &default_keypair_file, None).unwrap(),
+            parse_command(
+                &test_create_stake_account2,
+                &default_keypair_file,
+                &mut None
+            )
+            .unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateStakeAccount {
                     stake_account: 1,
@@ -2144,7 +2139,12 @@ mod tests {
         ]);
 
         assert_eq!(
-            parse_command(&test_create_stake_account2, &default_keypair_file, None).unwrap(),
+            parse_command(
+                &test_create_stake_account2,
+                &default_keypair_file,
+                &mut None
+            )
+            .unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateStakeAccount {
                     stake_account: 1,
@@ -2180,7 +2180,7 @@ mod tests {
             &vote_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2209,7 +2209,7 @@ mod tests {
             &stake_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2240,7 +2240,7 @@ mod tests {
             &vote_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2269,7 +2269,7 @@ mod tests {
             &blockhash_string,
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2299,7 +2299,7 @@ mod tests {
             "--sign-only",
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2333,7 +2333,7 @@ mod tests {
             &key1.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2379,7 +2379,7 @@ mod tests {
             &key2.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2416,7 +2416,7 @@ mod tests {
             &fee_payer_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_delegate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_delegate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DelegateStake {
                     stake_account_pubkey,
@@ -2446,13 +2446,14 @@ mod tests {
         ]);
 
         assert_eq!(
-            parse_command(&test_withdraw_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_withdraw_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::WithdrawStake {
                     stake_account_pubkey,
                     destination_account_pubkey: stake_account_pubkey,
                     lamports: 42_000_000_000,
                     withdraw_authority: 0,
+                    custodian: None,
                     sign_only: false,
                     blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
                     nonce_account: None,
@@ -2475,13 +2476,14 @@ mod tests {
         ]);
 
         assert_eq!(
-            parse_command(&test_withdraw_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_withdraw_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::WithdrawStake {
                     stake_account_pubkey,
                     destination_account_pubkey: stake_account_pubkey,
                     lamports: 42_000_000_000,
                     withdraw_authority: 1,
+                    custodian: None,
                     sign_only: false,
                     blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
                     nonce_account: None,
@@ -2497,6 +2499,39 @@ mod tests {
             }
         );
 
+        // Test WithdrawStake Subcommand w/ custodian
+        let test_withdraw_stake = test_commands.clone().get_matches_from(vec![
+            "test",
+            "withdraw-stake",
+            &stake_account_string,
+            &stake_account_string,
+            "42",
+            "--custodian",
+            &custodian_keypair_file,
+        ]);
+
+        assert_eq!(
+            parse_command(&test_withdraw_stake, &default_keypair_file, &mut None).unwrap(),
+            CliCommandInfo {
+                command: CliCommand::WithdrawStake {
+                    stake_account_pubkey,
+                    destination_account_pubkey: stake_account_pubkey,
+                    lamports: 42_000_000_000,
+                    withdraw_authority: 0,
+                    custodian: Some(1),
+                    sign_only: false,
+                    blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
+                    nonce_account: None,
+                    nonce_authority: 0,
+                    fee_payer: 0,
+                },
+                signers: vec![
+                    read_keypair_file(&default_keypair_file).unwrap().into(),
+                    read_keypair_file(&custodian_keypair_file).unwrap().into()
+                ],
+            }
+        );
+
         // Test WithdrawStake Subcommand w/ authority and offline nonce
         let test_withdraw_stake = test_commands.clone().get_matches_from(vec![
             "test",
@@ -2519,13 +2554,14 @@ mod tests {
         ]);
 
         assert_eq!(
-            parse_command(&test_withdraw_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_withdraw_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::WithdrawStake {
                     stake_account_pubkey,
                     destination_account_pubkey: stake_account_pubkey,
                     lamports: 42_000_000_000,
                     withdraw_authority: 0,
+                    custodian: None,
                     sign_only: false,
                     blockhash_query: BlockhashQuery::FeeCalculator(
                         blockhash_query::Source::NonceAccount(nonce_account),
@@ -2551,7 +2587,7 @@ mod tests {
             &stake_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2575,7 +2611,7 @@ mod tests {
             &stake_authority_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2606,7 +2642,7 @@ mod tests {
             &blockhash_string,
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2633,7 +2669,7 @@ mod tests {
             "--sign-only",
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2664,7 +2700,7 @@ mod tests {
             &key1.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2707,7 +2743,7 @@ mod tests {
             &key2.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2738,7 +2774,7 @@ mod tests {
             &fee_payer_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_deactivate_stake, &default_keypair_file, None).unwrap(),
+            parse_command(&test_deactivate_stake, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::DeactivateStake {
                     stake_account_pubkey,
@@ -2772,7 +2808,7 @@ mod tests {
             "50",
         ]);
         assert_eq!(
-            parse_command(&test_split_stake_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_split_stake_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::SplitStake {
                     stake_account_pubkey: stake_account_keypair.pubkey(),
@@ -2833,7 +2869,7 @@ mod tests {
             &stake_signer,
         ]);
         assert_eq!(
-            parse_command(&test_split_stake_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_split_stake_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::SplitStake {
                     stake_account_pubkey: stake_account_keypair.pubkey(),

cli/src/storage.rs

@@ -102,7 +102,7 @@ impl StorageSubCommands for App<'_, '_> {
 pub fn parse_storage_create_archiver_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let account_owner =
         pubkey_of_signer(matches, "storage_account_owner", wallet_manager)?.unwrap();
@@ -130,7 +130,7 @@ pub fn parse_storage_create_archiver_account(
 pub fn parse_storage_create_validator_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let account_owner =
         pubkey_of_signer(matches, "storage_account_owner", wallet_manager)?.unwrap();
@@ -158,7 +158,7 @@ pub fn parse_storage_create_validator_account(
 pub fn parse_storage_claim_reward(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let node_account_pubkey =
         pubkey_of_signer(matches, "node_account_pubkey", wallet_manager)?.unwrap();
@@ -180,7 +180,7 @@ pub fn parse_storage_claim_reward(
 
 pub fn parse_storage_get_account_command(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let storage_account_pubkey =
         pubkey_of_signer(matches, "storage_account_pubkey", wallet_manager)?.unwrap();
@@ -330,7 +330,7 @@ mod tests {
             parse_command(
                 &test_create_archiver_storage_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {
@@ -362,7 +362,7 @@ mod tests {
             parse_command(
                 &test_create_validator_storage_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {
@@ -385,7 +385,7 @@ mod tests {
             &storage_account_string,
         ]);
         assert_eq!(
-            parse_command(&test_claim_storage_reward, &default_keypair_file, None).unwrap(),
+            parse_command(&test_claim_storage_reward, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::ClaimStorageReward {
                     node_account_pubkey: pubkey,

cli/src/validator_info.rs

@@ -1,6 +1,6 @@
 use crate::{
     cli::{check_account_for_fee, CliCommand, CliCommandInfo, CliConfig, CliError, ProcessResult},
-    display::println_name_value,
+    cli_output::{CliValidatorInfo, CliValidatorInfoVec},
 };
 use bincode::deserialize;
 use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
@@ -25,7 +25,6 @@ use solana_sdk::{
     transaction::Transaction,
 };
 use std::{error, sync::Arc};
-use titlecase::titlecase;
 
 pub const MAX_SHORT_FIELD_LENGTH: usize = 70;
 pub const MAX_LONG_FIELD_LENGTH: usize = 300;
@@ -229,7 +228,7 @@ impl ValidatorInfoSubCommands for App<'_, '_> {
 pub fn parse_validator_info_command(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let info_pubkey = pubkey_of(matches, "info_pubkey");
     // Prepare validator info
@@ -375,7 +374,11 @@ pub fn process_set_validator_info(
     Ok("".to_string())
 }
 
-pub fn process_get_validator_info(rpc_client: &RpcClient, pubkey: Option<Pubkey>) -> ProcessResult {
+pub fn process_get_validator_info(
+    rpc_client: &RpcClient,
+    config: &CliConfig,
+    pubkey: Option<Pubkey>,
+) -> ProcessResult {
     let validator_info: Vec<(Pubkey, Account)> = if let Some(validator_info_pubkey) = pubkey {
         vec![(
             validator_info_pubkey,
@@ -394,23 +397,22 @@ pub fn process_get_validator_info(rpc_client: &RpcClient, pubkey: Option<Pubkey>
             .collect()
     };
 
+    let mut validator_info_list: Vec<CliValidatorInfo> = vec![];
     if validator_info.is_empty() {
         println!("No validator info accounts found");
     }
     for (validator_info_pubkey, validator_info_account) in validator_info.iter() {
         let (validator_pubkey, validator_info) =
             parse_validator_info(&validator_info_pubkey, &validator_info_account)?;
-        println!();
-        println_name_value("Validator Identity Pubkey:", &validator_pubkey.to_string());
-        println_name_value("  Info Pubkey:", &validator_info_pubkey.to_string());
-        for (key, value) in validator_info.iter() {
-            println_name_value(
-                &format!("  {}:", titlecase(key)),
-                &value.as_str().unwrap_or("?"),
-            );
-        }
+        validator_info_list.push(CliValidatorInfo {
+            identity_pubkey: validator_pubkey.to_string(),
+            info_pubkey: validator_info_pubkey.to_string(),
+            info: validator_info,
+        });
     }
-
+    config
+        .output_format
+        .formatted_print(&CliValidatorInfoVec::new(validator_info_list));
     Ok("".to_string())
 }
 

cli/src/vote.rs

@@ -1,10 +1,17 @@
-use crate::cli::{
-    build_balance_message, check_account_for_fee, check_unique_pubkeys, generate_unique_signers,
-    log_instruction_custom_error, CliCommand, CliCommandInfo, CliConfig, CliError, CliSignerInfo,
-    ProcessResult, SignerIndex,
+use crate::{
+    cli::{
+        check_account_for_fee, check_unique_pubkeys, generate_unique_signers,
+        log_instruction_custom_error, CliCommand, CliCommandInfo, CliConfig, CliError,
+        ProcessResult, SignerIndex,
+    },
+    cli_output::{CliEpochVotingHistory, CliLockout, CliVoteAccount},
 };
 use clap::{value_t_or_exit, App, Arg, ArgMatches, SubCommand};
-use solana_clap_utils::{input_parsers::*, input_validators::*};
+use solana_clap_utils::{
+    commitment::{commitment_arg, COMMITMENT_ARG},
+    input_parsers::*,
+    input_validators::*,
+};
 use solana_client::rpc_client::RpcClient;
 use solana_remote_wallet::remote_wallet::RemoteWalletManager;
 use solana_sdk::{
@@ -89,8 +96,16 @@ impl VoteSubCommands for App<'_, '_> {
                         .help("Vote account in which to set the authorized voter"),
                 )
                 .arg(
-                    Arg::with_name("new_authorized_pubkey")
+                    Arg::with_name("authorized")
                         .index(2)
+                        .value_name("AUTHORIZED_KEYPAIR")
+                        .required(true)
+                        .validator(is_valid_signer)
+                        .help("Current authorized vote signer"),
+                )
+                .arg(
+                    Arg::with_name("new_authorized_pubkey")
+                        .index(3)
                         .value_name("AUTHORIZED_PUBKEY")
                         .takes_value(true)
                         .required(true)
@@ -111,8 +126,16 @@ impl VoteSubCommands for App<'_, '_> {
                         .help("Vote account in which to set the authorized withdrawer"),
                 )
                 .arg(
-                    Arg::with_name("new_authorized_pubkey")
+                    Arg::with_name("authorized")
                         .index(2)
+                        .value_name("AUTHORIZED_KEYPAIR")
+                        .required(true)
+                        .validator(is_valid_signer)
+                        .help("Current authorized withdrawer"),
+                )
+                .arg(
+                    Arg::with_name("new_authorized_pubkey")
+                        .index(3)
                         .value_name("AUTHORIZED_PUBKEY")
                         .takes_value(true)
                         .required(true)
@@ -155,14 +178,6 @@ impl VoteSubCommands for App<'_, '_> {
             SubCommand::with_name("vote-account")
                 .about("Show the contents of a vote account")
                 .alias("show-vote-account")
-                .arg(
-                    Arg::with_name("confirmed")
-                        .long("confirmed")
-                        .takes_value(false)
-                        .help(
-                            "Return information at maximum-lockout commitment level",
-                        ),
-                )
                 .arg(
                     Arg::with_name("vote_account_pubkey")
                         .index(1)
@@ -177,7 +192,8 @@ impl VoteSubCommands for App<'_, '_> {
                         .long("lamports")
                         .takes_value(false)
                         .help("Display balance in lamports instead of SOL"),
-                ),
+                )
+                .arg(commitment_arg()),
         )
         .subcommand(
             SubCommand::with_name("withdraw-from-vote-account")
@@ -224,7 +240,7 @@ impl VoteSubCommands for App<'_, '_> {
 pub fn parse_create_vote_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let (vote_account, _) = signer_of(matches, "vote_account", wallet_manager)?;
     let seed = matches.value_of("seed").map(|s| s.to_string());
@@ -257,17 +273,18 @@ pub fn parse_create_vote_account(
 pub fn parse_vote_authorize(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
     vote_authorize: VoteAuthorize,
 ) -> Result<CliCommandInfo, CliError> {
     let vote_account_pubkey =
         pubkey_of_signer(matches, "vote_account_pubkey", wallet_manager)?.unwrap();
     let new_authorized_pubkey =
         pubkey_of_signer(matches, "new_authorized_pubkey", wallet_manager)?.unwrap();
+    let (authorized, _) = signer_of(matches, "authorized", wallet_manager)?;
 
-    let authorized_voter_provided = None;
-    let CliSignerInfo { signers } = generate_unique_signers(
-        vec![authorized_voter_provided],
+    let payer_provided = None;
+    let signer_info = generate_unique_signers(
+        vec![payer_provided, authorized],
         matches,
         default_signer_path,
         wallet_manager,
@@ -279,14 +296,14 @@ pub fn parse_vote_authorize(
             new_authorized_pubkey,
             vote_authorize,
         },
-        signers,
+        signers: signer_info.signers,
     })
 }
 
 pub fn parse_vote_update_validator(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let vote_account_pubkey =
         pubkey_of_signer(matches, "vote_account_pubkey", wallet_manager)?.unwrap();
@@ -313,16 +330,13 @@ pub fn parse_vote_update_validator(
 
 pub fn parse_vote_get_account_command(
     matches: &ArgMatches<'_>,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let vote_account_pubkey =
         pubkey_of_signer(matches, "vote_account_pubkey", wallet_manager)?.unwrap();
     let use_lamports_unit = matches.is_present("lamports");
-    let commitment_config = if matches.is_present("confirmed") {
-        CommitmentConfig::default()
-    } else {
-        CommitmentConfig::recent()
-    };
+    let commitment_config =
+        commitment_of(matches, COMMITMENT_ARG.long).unwrap_or_else(CommitmentConfig::recent);
     Ok(CliCommandInfo {
         command: CliCommand::ShowVoteAccount {
             pubkey: vote_account_pubkey,
@@ -336,7 +350,7 @@ pub fn parse_vote_get_account_command(
 pub fn parse_withdraw_from_vote_account(
     matches: &ArgMatches<'_>,
     default_signer_path: &str,
-    wallet_manager: Option<&Arc<RemoteWalletManager>>,
+    wallet_manager: &mut Option<Arc<RemoteWalletManager>>,
 ) -> Result<CliCommandInfo, CliError> {
     let vote_account_pubkey =
         pubkey_of_signer(matches, "vote_account_pubkey", wallet_manager)?.unwrap();
@@ -455,16 +469,24 @@ pub fn process_vote_authorize(
     new_authorized_pubkey: &Pubkey,
     vote_authorize: VoteAuthorize,
 ) -> ProcessResult {
+    // If the `authorized_account` is also the fee payer, `config.signers` will only have one
+    // keypair in it
+    let authorized = if config.signers.len() == 2 {
+        config.signers[1]
+    } else {
+        config.signers[0]
+    };
+
     check_unique_pubkeys(
-        (vote_account_pubkey, "vote_account_pubkey".to_string()),
+        (&authorized.pubkey(), "authorized_account".to_string()),
         (new_authorized_pubkey, "new_authorized_pubkey".to_string()),
     )?;
     let (recent_blockhash, fee_calculator) = rpc_client.get_recent_blockhash()?;
     let ixs = vec![vote_instruction::authorize(
-        vote_account_pubkey,         // vote account to update
-        &config.signers[0].pubkey(), // current authorized voter
-        new_authorized_pubkey,       // new vote signer/withdrawer
-        vote_authorize,              // vote or withdraw
+        vote_account_pubkey,   // vote account to update
+        &authorized.pubkey(),  // current authorized
+        new_authorized_pubkey, // new vote signer/withdrawer
+        vote_authorize,        // vote or withdraw
     )];
 
     let message = Message::new_with_payer(&ixs, Some(&config.signers[0].pubkey()));
@@ -495,7 +517,7 @@ pub fn process_vote_update_validator(
         (&new_identity_pubkey, "new_identity_account".to_string()),
     )?;
     let (recent_blockhash, fee_calculator) = rpc_client.get_recent_blockhash()?;
-    let ixs = vec![vote_instruction::update_node(
+    let ixs = vec![vote_instruction::update_validator_identity(
         vote_account_pubkey,
         &authorized_withdrawer.pubkey(),
         &new_identity_pubkey,
@@ -544,7 +566,7 @@ fn get_vote_account(
 
 pub fn process_show_vote_account(
     rpc_client: &RpcClient,
-    _config: &CliConfig,
+    config: &CliConfig,
     vote_account_pubkey: &Pubkey,
     use_lamports_unit: bool,
     commitment_config: CommitmentConfig,
@@ -554,45 +576,38 @@ pub fn process_show_vote_account(
 
     let epoch_schedule = rpc_client.get_epoch_schedule()?;
 
-    println!(
-        "Account Balance: {}",
-        build_balance_message(vote_account.lamports, use_lamports_unit, true)
-    );
-    println!("Validator Identity: {}", vote_state.node_pubkey);
-    println!("Authorized Voter: {:?}", vote_state.authorized_voters());
-    println!(
-        "Authorized Withdrawer: {}",
-        vote_state.authorized_withdrawer
-    );
-    println!("Credits: {}", vote_state.credits());
-    println!("Commission: {}%", vote_state.commission);
-    println!(
-        "Root Slot: {}",
-        match vote_state.root_slot {
-            Some(slot) => slot.to_string(),
-            None => "~".to_string(),
-        }
-    );
-    println!("Recent Timestamp: {:?}", vote_state.last_timestamp);
+    let mut votes: Vec<CliLockout> = vec![];
+    let mut epoch_voting_history: Vec<CliEpochVotingHistory> = vec![];
     if !vote_state.votes.is_empty() {
-        println!("recent votes:");
         for vote in &vote_state.votes {
-            println!(
-                "- slot: {}\n  confirmation count: {}",
-                vote.slot, vote.confirmation_count
-            );
+            votes.push(vote.into());
         }
-
-        println!("Epoch Voting History:");
         for (epoch, credits, prev_credits) in vote_state.epoch_credits() {
             let credits_earned = credits - prev_credits;
             let slots_in_epoch = epoch_schedule.get_slots_in_epoch(*epoch);
-            println!(
-                "- epoch: {}\n  slots in epoch: {}\n  credits earned: {}",
-                epoch, slots_in_epoch, credits_earned,
-            );
+            epoch_voting_history.push(CliEpochVotingHistory {
+                epoch: *epoch,
+                slots_in_epoch,
+                credits_earned,
+            });
         }
     }
+
+    let vote_account_data = CliVoteAccount {
+        account_balance: vote_account.lamports,
+        validator_identity: vote_state.node_pubkey.to_string(),
+        authorized_voters: vote_state.authorized_voters().into(),
+        authorized_withdrawer: vote_state.authorized_withdrawer.to_string(),
+        credits: vote_state.credits(),
+        commission: vote_state.commission,
+        root_slot: vote_state.root_slot,
+        recent_timestamp: vote_state.last_timestamp.clone(),
+        votes,
+        epoch_voting_history,
+        use_lamports_unit,
+    };
+
+    config.output_format.formatted_print(&vote_account_data);
     Ok("".to_string())
 }
 
@@ -658,10 +673,11 @@ mod tests {
             "test",
             "vote-authorize-voter",
             &pubkey_string,
+            &default_keypair_file,
             &pubkey2_string,
         ]);
         assert_eq!(
-            parse_command(&test_authorize_voter, &default_keypair_file, None).unwrap(),
+            parse_command(&test_authorize_voter, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::VoteAuthorize {
                     vote_account_pubkey: pubkey,
@@ -672,6 +688,32 @@ mod tests {
             }
         );
 
+        let authorized_keypair = Keypair::new();
+        let (authorized_keypair_file, mut tmp_file) = make_tmp_file();
+        write_keypair(&authorized_keypair, tmp_file.as_file_mut()).unwrap();
+
+        let test_authorize_voter = test_commands.clone().get_matches_from(vec![
+            "test",
+            "vote-authorize-voter",
+            &pubkey_string,
+            &authorized_keypair_file,
+            &pubkey2_string,
+        ]);
+        assert_eq!(
+            parse_command(&test_authorize_voter, &default_keypair_file, &mut None).unwrap(),
+            CliCommandInfo {
+                command: CliCommand::VoteAuthorize {
+                    vote_account_pubkey: pubkey,
+                    new_authorized_pubkey: pubkey2,
+                    vote_authorize: VoteAuthorize::Voter
+                },
+                signers: vec![
+                    read_keypair_file(&default_keypair_file).unwrap().into(),
+                    read_keypair_file(&authorized_keypair_file).unwrap().into(),
+                ],
+            }
+        );
+
         let (keypair_file, mut tmp_file) = make_tmp_file();
         let keypair = Keypair::new();
         write_keypair(&keypair, tmp_file.as_file_mut()).unwrap();
@@ -688,7 +730,7 @@ mod tests {
             "10",
         ]);
         assert_eq!(
-            parse_command(&test_create_vote_account, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_vote_account, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
                     seed: None,
@@ -716,7 +758,7 @@ mod tests {
             &identity_keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_create_vote_account2, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_vote_account2, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
                     seed: None,
@@ -748,7 +790,7 @@ mod tests {
             &authed.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_create_vote_account3, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_vote_account3, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
                     seed: None,
@@ -778,7 +820,7 @@ mod tests {
             &authed.to_string(),
         ]);
         assert_eq!(
-            parse_command(&test_create_vote_account4, &default_keypair_file, None).unwrap(),
+            parse_command(&test_create_vote_account4, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
                     seed: None,
@@ -803,7 +845,7 @@ mod tests {
             &keypair_file,
         ]);
         assert_eq!(
-            parse_command(&test_update_validator, &default_keypair_file, None).unwrap(),
+            parse_command(&test_update_validator, &default_keypair_file, &mut None).unwrap(),
             CliCommandInfo {
                 command: CliCommand::VoteUpdateValidator {
                     vote_account_pubkey: pubkey,
@@ -829,7 +871,7 @@ mod tests {
             parse_command(
                 &test_withdraw_from_vote_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {
@@ -860,7 +902,7 @@ mod tests {
             parse_command(
                 &test_withdraw_from_vote_account,
                 &default_keypair_file,
-                None
+                &mut None
             )
             .unwrap(),
             CliCommandInfo {

cli/tests/nonce.rs

@@ -265,6 +265,7 @@ fn test_create_account_with_seed() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: 1,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
 
     let (sender, receiver) = channel();
@@ -337,6 +338,7 @@ fn test_create_account_with_seed() {
         to: to_address,
         from: 0,
         sign_only: true,
+        no_wait: false,
         blockhash_query: BlockhashQuery::None(nonce_hash),
         nonce_account: Some(nonce_address),
         nonce_authority: 0,
@@ -357,6 +359,7 @@ fn test_create_account_with_seed() {
         to: to_address,
         from: 0,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::FeeCalculator(
             blockhash_query::Source::NonceAccount(nonce_address),
             sign_only.blockhash,

cli/tests/stake.rs

@@ -811,6 +811,7 @@ fn test_stake_authorize_with_fee_payer() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: SIG_FEE,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
     let (sender, receiver) = channel();
     run_local_faucet(alice, sender, None);
@@ -938,6 +939,7 @@ fn test_stake_split() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: 1,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
     let (sender, receiver) = channel();
     run_local_faucet(alice, sender, None);
@@ -1085,6 +1087,7 @@ fn test_stake_set_lockup() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: 1,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
     let (sender, receiver) = channel();
     run_local_faucet(alice, sender, None);
@@ -1448,6 +1451,7 @@ fn test_offline_nonced_create_stake_account_and_withdraw() {
         destination_account_pubkey: recipient_pubkey,
         lamports: 42,
         withdraw_authority: 0,
+        custodian: None,
         sign_only: true,
         blockhash_query: BlockhashQuery::None(nonce_hash),
         nonce_account: Some(nonce_pubkey),
@@ -1463,6 +1467,7 @@ fn test_offline_nonced_create_stake_account_and_withdraw() {
         destination_account_pubkey: recipient_pubkey,
         lamports: 42,
         withdraw_authority: 0,
+        custodian: None,
         sign_only: false,
         blockhash_query: BlockhashQuery::FeeCalculator(
             blockhash_query::Source::NonceAccount(nonce_pubkey),

cli/tests/transfer.rs

@@ -40,6 +40,7 @@ fn test_transfer() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: 1,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
 
     let (sender, receiver) = channel();
@@ -68,6 +69,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::All(blockhash_query::Source::Cluster),
         nonce_account: None,
         nonce_authority: 0,
@@ -95,6 +97,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: true,
+        no_wait: false,
         blockhash_query: BlockhashQuery::None(blockhash),
         nonce_account: None,
         nonce_authority: 0,
@@ -110,6 +113,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::FeeCalculator(blockhash_query::Source::Cluster, blockhash),
         nonce_account: None,
         nonce_authority: 0,
@@ -147,6 +151,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::FeeCalculator(
             blockhash_query::Source::NonceAccount(nonce_account.pubkey()),
             nonce_hash,
@@ -187,6 +192,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: true,
+        no_wait: false,
         blockhash_query: BlockhashQuery::None(nonce_hash),
         nonce_account: Some(nonce_account.pubkey()),
         nonce_authority: 0,
@@ -202,6 +208,7 @@ fn test_transfer() {
         to: recipient_pubkey,
         from: 0,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::FeeCalculator(
             blockhash_query::Source::NonceAccount(nonce_account.pubkey()),
             sign_only.blockhash,
@@ -229,6 +236,7 @@ fn test_transfer_multisession_signing() {
     } = TestValidator::run_with_options(TestValidatorOptions {
         fees: 1,
         bootstrap_validator_lamports: 42_000,
+        ..TestValidatorOptions::default()
     });
 
     let (sender, receiver) = channel();
@@ -269,6 +277,7 @@ fn test_transfer_multisession_signing() {
         to: to_pubkey,
         from: 1,
         sign_only: true,
+        no_wait: false,
         blockhash_query: BlockhashQuery::None(blockhash),
         nonce_account: None,
         nonce_authority: 0,
@@ -293,6 +302,7 @@ fn test_transfer_multisession_signing() {
         to: to_pubkey,
         from: 1,
         sign_only: true,
+        no_wait: false,
         blockhash_query: BlockhashQuery::None(blockhash),
         nonce_account: None,
         nonce_authority: 0,
@@ -314,6 +324,7 @@ fn test_transfer_multisession_signing() {
         to: to_pubkey,
         from: 1,
         sign_only: false,
+        no_wait: false,
         blockhash_query: BlockhashQuery::FeeCalculator(blockhash_query::Source::Cluster, blockhash),
         nonce_account: None,
         nonce_authority: 0,

client/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "solana-client"
-version = "1.1.0"
+version = "1.1.8"
 description = "Solana Client"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -19,10 +19,10 @@ reqwest = { version = "0.10.4", default-features = false, features = ["blocking"
 serde = "1.0.105"
 serde_derive = "1.0.103"
 serde_json = "1.0.48"
-solana-transaction-status = { path = "../transaction-status", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-solana-vote-program = { path = "../programs/vote", version = "1.1.0" }
+solana-transaction-status = { path = "../transaction-status", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+solana-vote-program = { path = "../programs/vote", version = "1.1.8" }
 thiserror = "1.0"
 tungstenite = "0.10.1"
 url = "2.1.1"
@@ -31,4 +31,7 @@ url = "2.1.1"
 assert_matches = "1.3.0"
 jsonrpc-core = "14.0.5"
 jsonrpc-http-server = "14.0.6"
-solana-logger = { path = "../logger", version = "1.1.0" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

client/src/client_error.rs

@@ -52,7 +52,6 @@ impl Into<TransportError> for ClientErrorKind {
 pub struct ClientError {
     command: Option<&'static str>,
     #[source]
-    #[error(transparent)]
     kind: ClientErrorKind,
 }
 

client/src/mock_rpc_client_request.rs

@@ -8,7 +8,8 @@ use serde_json::{Number, Value};
 use solana_sdk::{
     fee_calculator::{FeeCalculator, FeeRateGovernor},
     instruction::InstructionError,
-    transaction::{self, TransactionError},
+    signature::Signature,
+    transaction::{self, Transaction, TransactionError},
 };
 use solana_transaction_status::TransactionStatus;
 use std::{collections::HashMap, sync::RwLock};
@@ -50,17 +51,6 @@ impl GenericRpcClientRequest for MockRpcClientRequest {
             return Ok(Value::Null);
         }
         let val = match request {
-            RpcRequest::ConfirmTransaction => {
-                if let Some(params_array) = params.as_array() {
-                    if let Value::String(param_string) = &params_array[0] {
-                        Value::Bool(param_string == SIGNATURE)
-                    } else {
-                        Value::Null
-                    }
-                } else {
-                    Value::Null
-                }
-            }
             RpcRequest::GetBalance => serde_json::to_value(Response {
                 context: RpcResponseContext { slot: 1 },
                 value: Value::Number(Number::from(50)),
@@ -87,7 +77,7 @@ impl GenericRpcClientRequest for MockRpcClientRequest {
                 context: RpcResponseContext { slot: 1 },
                 value: serde_json::to_value(FeeRateGovernor::default()).unwrap(),
             })?,
-            RpcRequest::GetSignatureStatus => {
+            RpcRequest::GetSignatureStatuses => {
                 let status: transaction::Result<()> = if self.url == "account_in_use" {
                     Err(TransactionError::AccountInUse)
                 } else if self.url == "instruction_error" {
@@ -101,10 +91,12 @@ impl GenericRpcClientRequest for MockRpcClientRequest {
                 let status = if self.url == "sig_not_found" {
                     None
                 } else {
+                    let err = status.clone().err();
                     Some(TransactionStatus {
                         status,
                         slot: 1,
-                        confirmations: Some(0),
+                        confirmations: None,
+                        err,
                     })
                 };
                 serde_json::to_value(Response {
@@ -114,7 +106,17 @@ impl GenericRpcClientRequest for MockRpcClientRequest {
             }
             RpcRequest::GetTransactionCount => Value::Number(Number::from(1234)),
             RpcRequest::GetSlot => Value::Number(Number::from(0)),
-            RpcRequest::SendTransaction => Value::String(SIGNATURE.to_string()),
+            RpcRequest::SendTransaction => {
+                let signature = if self.url == "malicious" {
+                    Signature::new(&[8; 64]).to_string()
+                } else {
+                    let tx_str = params.as_array().unwrap()[0].as_str().unwrap().to_string();
+                    let data = bs58::decode(tx_str).into_vec().unwrap();
+                    let tx: Transaction = bincode::deserialize(&data).unwrap();
+                    tx.signatures[0].to_string()
+                };
+                Value::String(signature)
+            }
             RpcRequest::GetMinimumBalanceForRentExemption => Value::Number(Number::from(1234)),
             _ => Value::Null,
         };

client/src/rpc_client.rs

@@ -12,7 +12,10 @@ use log::*;
 use serde_json::{json, Value};
 use solana_sdk::{
     account::Account,
-    clock::{Slot, UnixTimestamp, DEFAULT_TICKS_PER_SECOND, DEFAULT_TICKS_PER_SLOT},
+    clock::{
+        Slot, UnixTimestamp, DEFAULT_TICKS_PER_SECOND, DEFAULT_TICKS_PER_SLOT,
+        MAX_HASH_AGE_IN_SECONDS,
+    },
     commitment_config::CommitmentConfig,
     epoch_schedule::EpochSchedule,
     fee_calculator::{FeeCalculator, FeeRateGovernor},
@@ -23,7 +26,9 @@ use solana_sdk::{
     signers::Signers,
     transaction::{self, Transaction, TransactionError},
 };
-use solana_transaction_status::{ConfirmedBlock, TransactionEncoding, TransactionStatus};
+use solana_transaction_status::{
+    ConfirmedBlock, ConfirmedTransaction, TransactionEncoding, TransactionStatus,
+};
 use solana_vote_program::vote_state::MAX_LOCKOUT_HISTORY;
 use std::{
     error,
@@ -77,17 +82,16 @@ impl RpcClient {
         signature: &Signature,
         commitment_config: CommitmentConfig,
     ) -> RpcResult<bool> {
-        let response = self
-            .client
-            .send(
-                &RpcRequest::ConfirmTransaction,
-                json!([signature.to_string(), commitment_config]),
-                0,
-            )
-            .map_err(|err| err.into_with_command("ConfirmTransaction"))?;
+        let Response { context, value } = self.get_signature_statuses(&[*signature])?;
 
-        serde_json::from_value::<Response<bool>>(response)
-            .map_err(|err| ClientError::new_with_command(err.into(), "ConfirmTransaction"))
+        Ok(Response {
+            context,
+            value: value[0]
+                .as_ref()
+                .filter(|result| result.satisfies_commitment(commitment_config))
+                .map(|result| result.status.is_ok())
+                .unwrap_or_default(),
+        })
     }
 
     pub fn send_transaction(&self, transaction: &Transaction) -> ClientResult<Signature> {
@@ -100,9 +104,24 @@ impl RpcClient {
             None => {
                 Err(RpcError::ForUser("Received result of an unexpected type".to_string()).into())
             }
-            Some(signature_base58_str) => signature_base58_str
-                .parse::<Signature>()
-                .map_err(|err| RpcError::ParseError(err.to_string()).into()),
+            Some(signature_base58_str) => {
+                let signature = signature_base58_str.parse::<Signature>().map_err(|err| {
+                    Into::<ClientError>::into(RpcError::ParseError(err.to_string()))
+                })?;
+                // A mismatching RPC response signature indicates an issue with the RPC node, and
+                // should not be passed along to confirmation methods. The transaction may or may
+                // not have been submitted to the cluster, so callers should verify the success of
+                // the correct transaction signature independently.
+                if signature != transaction.signatures[0] {
+                    Err(RpcError::RpcRequestError(format!(
+                        "RPC node returned mismatched signature {:?}, expected {:?}",
+                        signature, transaction.signatures[0]
+                    ))
+                    .into())
+                } else {
+                    Ok(transaction.signatures[0])
+                }
+            }
         }
     }
 
@@ -113,20 +132,56 @@ impl RpcClient {
         self.get_signature_status_with_commitment(signature, CommitmentConfig::default())
     }
 
+    pub fn get_signature_statuses(
+        &self,
+        signatures: &[Signature],
+    ) -> RpcResult<Vec<Option<TransactionStatus>>> {
+        let signatures: Vec<_> = signatures.iter().map(|s| s.to_string()).collect();
+        let signature_status =
+            self.client
+                .send(&RpcRequest::GetSignatureStatuses, json!([signatures]), 5)?;
+        Ok(serde_json::from_value(signature_status)
+            .map_err(|err| ClientError::new_with_command(err.into(), "GetSignatureStatuses"))?)
+    }
+
     pub fn get_signature_status_with_commitment(
         &self,
         signature: &Signature,
         commitment_config: CommitmentConfig,
     ) -> ClientResult<Option<transaction::Result<()>>> {
         let signature_status = self.client.send(
-            &RpcRequest::GetSignatureStatus,
-            json!([[signature.to_string()], commitment_config]),
+            &RpcRequest::GetSignatureStatuses,
+            json!([[signature.to_string()]]),
             5,
         )?;
         let result: Response<Vec<Option<TransactionStatus>>> =
-            serde_json::from_value(signature_status).unwrap();
+            serde_json::from_value(signature_status)
+                .map_err(|err| ClientError::new_with_command(err.into(), "GetSignatureStatuses"))?;
         Ok(result.value[0]
             .clone()
+            .filter(|result| result.satisfies_commitment(commitment_config))
+            .map(|status_meta| status_meta.status))
+    }
+
+    pub fn get_signature_status_with_commitment_and_history(
+        &self,
+        signature: &Signature,
+        commitment_config: CommitmentConfig,
+        search_transaction_history: bool,
+    ) -> ClientResult<Option<transaction::Result<()>>> {
+        let signature_status = self.client.send(
+            &RpcRequest::GetSignatureStatuses,
+            json!([[signature.to_string()], {
+                "searchTransactionHistory": search_transaction_history
+            }]),
+            5,
+        )?;
+        let result: Response<Vec<Option<TransactionStatus>>> =
+            serde_json::from_value(signature_status)
+                .map_err(|err| ClientError::new_with_command(err.into(), "GetSignatureStatuses"))?;
+        Ok(result.value[0]
+            .clone()
+            .filter(|result| result.satisfies_commitment(commitment_config))
             .map(|status_meta| status_meta.status))
     }
 
@@ -227,6 +282,55 @@ impl RpcClient {
             .map_err(|err| ClientError::new_with_command(err.into(), "GetConfirmedBlocks"))
     }
 
+    pub fn get_confirmed_signatures_for_address(
+        &self,
+        address: &Pubkey,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> ClientResult<Vec<Signature>> {
+        let response = self
+            .client
+            .send(
+                &RpcRequest::GetConfirmedSignaturesForAddress,
+                json!([address.to_string(), start_slot, end_slot]),
+                0,
+            )
+            .map_err(|err| err.into_with_command("GetConfirmedSignaturesForAddress"))?;
+
+        let signatures_base58_str: Vec<String> =
+            serde_json::from_value(response).map_err(|err| {
+                ClientError::new_with_command(err.into(), "GetConfirmedSignaturesForAddress")
+            })?;
+
+        let mut signatures = vec![];
+        for signature_base58_str in signatures_base58_str {
+            signatures.push(
+                signature_base58_str.parse::<Signature>().map_err(|err| {
+                    Into::<ClientError>::into(RpcError::ParseError(err.to_string()))
+                })?,
+            );
+        }
+        Ok(signatures)
+    }
+
+    pub fn get_confirmed_transaction(
+        &self,
+        signature: &Signature,
+        encoding: TransactionEncoding,
+    ) -> ClientResult<ConfirmedTransaction> {
+        let response = self
+            .client
+            .send(
+                &RpcRequest::GetConfirmedTransaction,
+                json!([signature.to_string(), encoding]),
+                0,
+            )
+            .map_err(|err| err.into_with_command("GetConfirmedTransaction"))?;
+
+        serde_json::from_value(response)
+            .map_err(|err| ClientError::new_with_command(err.into(), "GetConfirmedTransaction"))
+    }
+
     pub fn get_block_time(&self, slot: Slot) -> ClientResult<UnixTimestamp> {
         let response = self
             .client
@@ -855,14 +959,13 @@ impl RpcClient {
         trace!("check_signature: {:?}", signature);
 
         for _ in 0..30 {
-            let response = self.client.send(
-                &RpcRequest::ConfirmTransaction,
-                json!([signature.to_string(), CommitmentConfig::recent()]),
-                0,
-            );
-
+            let response =
+                self.confirm_transaction_with_commitment(signature, CommitmentConfig::recent());
             match response {
-                Ok(Value::Bool(signature_status)) => {
+                Ok(Response {
+                    value: signature_status,
+                    ..
+                }) => {
                     if signature_status {
                         trace!("Response found signature");
                     } else {
@@ -871,12 +974,6 @@ impl RpcClient {
 
                     return signature_status;
                 }
-                Ok(other) => {
-                    debug!(
-                        "check_signature request failed, expected bool, got: {:?}",
-                        other
-                    );
-                }
                 Err(err) => {
                     debug!("check_signature request failed: {:?}", err);
                 }
@@ -948,20 +1045,20 @@ impl RpcClient {
         let response = self
             .client
             .send(
-                &RpcRequest::GetSignatureStatus,
-                json!([[signature.to_string()], CommitmentConfig::recent().ok()]),
-                1,
+                &RpcRequest::GetSignatureStatuses,
+                json!([[signature.to_string()]]),
+                5,
             )
-            .map_err(|err| err.into_with_command("GetSignatureStatus"))?;
-        let result: Response<Vec<Option<TransactionStatus>>> =
-            serde_json::from_value(response).unwrap();
+            .map_err(|err| err.into_with_command("GetSignatureStatuses"))?;
+        let result: Response<Vec<Option<TransactionStatus>>> = serde_json::from_value(response)
+            .map_err(|err| ClientError::new_with_command(err.into(), "GetSignatureStatuses"))?;
 
         let confirmations = result.value[0]
             .clone()
             .ok_or_else(|| {
                 ClientError::new_with_command(
                     ClientErrorKind::Custom("signature not found".to_string()),
-                    "GetSignatureStatus",
+                    "GetSignatureStatuses",
                 )
             })?
             .confirmations
@@ -977,14 +1074,15 @@ impl RpcClient {
         let mut confirmations = 0;
 
         let progress_bar = new_spinner_progress_bar();
-        progress_bar.set_message(&format!(
-            "[{}/{}] Waiting for confirmations",
-            confirmations,
-            MAX_LOCKOUT_HISTORY + 1,
-        ));
 
         let mut send_retries = 20;
         let signature = loop {
+            progress_bar.set_message(&format!(
+                "[{}/{}] Finalizing transaction {}",
+                confirmations,
+                MAX_LOCKOUT_HISTORY + 1,
+                transaction.signatures[0],
+            ));
             let mut status_retries = 15;
             let (signature, status) = loop {
                 let signature = self.send_transaction(transaction)?;
@@ -1036,6 +1134,7 @@ impl RpcClient {
                 }
             }
         };
+        let now = Instant::now();
         loop {
             // Return when default (max) commitment is reached
             // Failed transactions have already been eliminated, `is_some` check is sufficient
@@ -1045,12 +1144,20 @@ impl RpcClient {
                 return Ok(signature);
             }
             progress_bar.set_message(&format!(
-                "[{}/{}] Waiting for confirmations",
+                "[{}/{}] Finalizing transaction {}",
                 confirmations + 1,
                 MAX_LOCKOUT_HISTORY + 1,
+                signature,
             ));
             sleep(Duration::from_millis(500));
-            confirmations = self.get_num_blocks_since_signature_confirmation(&signature)?;
+            confirmations = self
+                .get_num_blocks_since_signature_confirmation(&signature)
+                .unwrap_or(confirmations);
+            if now.elapsed().as_secs() >= MAX_HASH_AGE_IN_SECONDS as u64 {
+                return Err(
+                    RpcError::ForUser("transaction not finalized. This can happen when a transaction lands in an abandoned fork. Please retry.".to_string()).into(),
+                );
+            }
         }
     }
 
@@ -1088,10 +1195,7 @@ pub fn get_rpc_request_str(rpc_addr: SocketAddr, tls: bool) -> String {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{
-        client_error::ClientErrorKind,
-        mock_rpc_client_request::{PUBKEY, SIGNATURE},
-    };
+    use crate::{client_error::ClientErrorKind, mock_rpc_client_request::PUBKEY};
     use assert_matches::assert_matches;
     use jsonrpc_core::{Error, IoHandler, Params};
     use jsonrpc_http_server::{AccessControlAllowOrigin, DomainsValidation, ServerBuilder};
@@ -1204,12 +1308,17 @@ mod tests {
         let tx = system_transaction::transfer(&key, &to, 50, blockhash);
 
         let signature = rpc_client.send_transaction(&tx);
-        assert_eq!(signature.unwrap(), SIGNATURE.parse().unwrap());
+        assert_eq!(signature.unwrap(), tx.signatures[0]);
 
         let rpc_client = RpcClient::new_mock("fails".to_string());
 
         let signature = rpc_client.send_transaction(&tx);
         assert!(signature.is_err());
+
+        // Test bad signature returned from rpc node
+        let rpc_client = RpcClient::new_mock("malicious".to_string());
+        let signature = rpc_client.send_transaction(&tx);
+        assert!(signature.is_err());
     }
     #[test]
     fn test_get_recent_blockhash() {

client/src/rpc_request.rs

@@ -3,7 +3,6 @@ use thiserror::Error;
 
 #[derive(Debug, PartialEq, Eq, Hash)]
 pub enum RpcRequest {
-    ConfirmTransaction,
     DeregisterNode,
     ValidatorExit,
     GetAccountInfo,
@@ -12,6 +11,8 @@ pub enum RpcRequest {
     GetClusterNodes,
     GetConfirmedBlock,
     GetConfirmedBlocks,
+    GetConfirmedSignaturesForAddress,
+    GetConfirmedTransaction,
     GetEpochInfo,
     GetEpochSchedule,
     GetGenesisHash,
@@ -22,7 +23,7 @@ pub enum RpcRequest {
     GetRecentBlockhash,
     GetFeeCalculatorForBlockhash,
     GetFeeRateGovernor,
-    GetSignatureStatus,
+    GetSignatureStatuses,
     GetSlot,
     GetSlotLeader,
     GetStorageTurn,
@@ -41,11 +42,13 @@ pub enum RpcRequest {
     MinimumLedgerSlot,
 }
 
+pub const MAX_GET_SIGNATURE_STATUSES_QUERY_ITEMS: usize = 256;
+pub const MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS_SLOT_RANGE: u64 = 10_000;
+
 impl RpcRequest {
     pub(crate) fn build_request_json(&self, id: u64, params: Value) -> Value {
         let jsonrpc = "2.0";
         let method = match self {
-            RpcRequest::ConfirmTransaction => "confirmTransaction",
             RpcRequest::DeregisterNode => "deregisterNode",
             RpcRequest::ValidatorExit => "validatorExit",
             RpcRequest::GetAccountInfo => "getAccountInfo",
@@ -54,6 +57,8 @@ impl RpcRequest {
             RpcRequest::GetClusterNodes => "getClusterNodes",
             RpcRequest::GetConfirmedBlock => "getConfirmedBlock",
             RpcRequest::GetConfirmedBlocks => "getConfirmedBlocks",
+            RpcRequest::GetConfirmedSignaturesForAddress => "getConfirmedSignaturesForAddress",
+            RpcRequest::GetConfirmedTransaction => "getConfirmedTransaction",
             RpcRequest::GetEpochInfo => "getEpochInfo",
             RpcRequest::GetEpochSchedule => "getEpochSchedule",
             RpcRequest::GetGenesisHash => "getGenesisHash",
@@ -64,7 +69,7 @@ impl RpcRequest {
             RpcRequest::GetRecentBlockhash => "getRecentBlockhash",
             RpcRequest::GetFeeCalculatorForBlockhash => "getFeeCalculatorForBlockhash",
             RpcRequest::GetFeeRateGovernor => "getFeeRateGovernor",
-            RpcRequest::GetSignatureStatus => "getSignatureStatus",
+            RpcRequest::GetSignatureStatuses => "getSignatureStatuses",
             RpcRequest::GetSlot => "getSlot",
             RpcRequest::GetSlotLeader => "getSlotLeader",
             RpcRequest::GetStorageTurn => "getStorageTurn",

client/src/rpc_response.rs

@@ -4,7 +4,7 @@ use solana_sdk::{
     clock::{Epoch, Slot},
     fee_calculator::{FeeCalculator, FeeRateGovernor},
     pubkey::Pubkey,
-    transaction::Result,
+    transaction::{Result, TransactionError},
 };
 use std::{collections::HashMap, net::SocketAddr, str::FromStr};
 
@@ -54,6 +54,12 @@ pub struct RpcKeyedAccount {
     pub account: RpcAccount,
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcSignatureResult {
+    pub err: Option<TransactionError>,
+}
+
 /// A duplicate representation of a Message for pretty JSON serialization
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "camelCase")]

core/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "solana-core"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.1.0"
+version = "1.1.8"
 documentation = "https://docs.rs/solana"
 homepage = "https://solana.com/"
 readme = "../README.md"
@@ -34,42 +34,43 @@ jsonrpc-ws-server = "14.0.6"
 log = "0.4.8"
 num_cpus = "1.0.0"
 num-traits = "0.2"
-rand = "0.6.5"
-rand_chacha = "0.1.1"
+rand = "0.7.0"
+rand_chacha = "0.2.2"
 rayon = "1.3.0"
 regex = "1.3.6"
 serde = "1.0.105"
 serde_derive = "1.0.103"
 serde_json = "1.0.48"
-solana-budget-program = { path = "../programs/budget", version = "1.1.0" }
-solana-clap-utils = { path = "../clap-utils", version = "1.1.0" }
-solana-client = { path = "../client", version = "1.1.0" }
-solana-transaction-status = { path = "../transaction-status", version = "1.1.0" }
-solana-faucet = { path = "../faucet", version = "1.1.0" }
-ed25519-dalek = "=1.0.0-pre.1"
-solana-ledger = { path = "../ledger", version = "1.1.0" }
-solana-logger = { path = "../logger", version = "1.1.0" }
-solana-merkle-tree = { path = "../merkle-tree", version = "1.1.0" }
-solana-metrics = { path = "../metrics", version = "1.1.0" }
-solana-measure = { path = "../measure", version = "1.1.0" }
-solana-net-utils = { path = "../net-utils", version = "1.1.0" }
-solana-chacha-cuda = { path = "../chacha-cuda", version = "1.1.0" }
-solana-perf = { path = "../perf", version = "1.1.0" }
-solana-runtime = { path = "../runtime", version = "1.1.0" }
-solana-sdk = { path = "../sdk", version = "1.1.0" }
-solana-stake-program = { path = "../programs/stake", version = "1.1.0" }
-solana-storage-program = { path = "../programs/storage", version = "1.1.0" }
-solana-streamer = { path = "../streamer", version = "1.1.0" }
-solana-vote-program = { path = "../programs/vote", version = "1.1.0" }
-solana-vote-signer = { path = "../vote-signer", version = "1.1.0" }
-solana-sys-tuner = { path = "../sys-tuner", version = "1.1.0" }
+solana-bpf-loader-program = { path = "../programs/bpf_loader", version = "1.1.8" }
+solana-budget-program = { path = "../programs/budget", version = "1.1.8" }
+solana-clap-utils = { path = "../clap-utils", version = "1.1.8" }
+solana-client = { path = "../client", version = "1.1.8" }
+solana-transaction-status = { path = "../transaction-status", version = "1.1.8" }
+solana-faucet = { path = "../faucet", version = "1.1.8" }
+ed25519-dalek = "=1.0.0-pre.3"
+solana-ledger = { path = "../ledger", version = "1.1.8" }
+solana-logger = { path = "../logger", version = "1.1.8" }
+solana-merkle-tree = { path = "../merkle-tree", version = "1.1.8" }
+solana-metrics = { path = "../metrics", version = "1.1.8" }
+solana-measure = { path = "../measure", version = "1.1.8" }
+solana-net-utils = { path = "../net-utils", version = "1.1.8" }
+solana-chacha-cuda = { path = "../chacha-cuda", version = "1.1.8" }
+solana-perf = { path = "../perf", version = "1.1.8" }
+solana-runtime = { path = "../runtime", version = "1.1.8" }
+solana-sdk = { path = "../sdk", version = "1.1.8" }
+solana-stake-program = { path = "../programs/stake", version = "1.1.8" }
+solana-storage-program = { path = "../programs/storage", version = "1.1.8" }
+solana-streamer = { path = "../streamer", version = "1.1.8" }
+solana-vote-program = { path = "../programs/vote", version = "1.1.8" }
+solana-vote-signer = { path = "../vote-signer", version = "1.1.8" }
+solana-sys-tuner = { path = "../sys-tuner", version = "1.1.8" }
 tempfile = "3.1.0"
 thiserror = "1.0"
 tokio = "0.1"
 tokio-codec = "0.1"
 tokio-fs = "0.1"
 tokio-io = "0.1"
-solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.1.0" }
+solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.1.8" }
 trees = "0.2.1"
 
 [dev-dependencies]
@@ -103,3 +104,6 @@ name = "cluster_info"
 [[bench]]
 name = "chacha"
 required-features = ["chacha"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]

core/benches/banking_stage.rs

@@ -190,7 +190,7 @@ fn bench_banking(bencher: &mut Bencher, tx_type: TransactionType) {
         let (exit, poh_recorder, poh_service, signal_receiver) =
             create_test_recorder(&bank, &blockstore, None);
         let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
         let _banking_stage = BankingStage::new(
             &cluster_info,
             &poh_recorder,

core/benches/cluster_info.rs

@@ -3,13 +3,18 @@
 extern crate test;
 
 use rand::{thread_rng, Rng};
+use solana_core::broadcast_stage::{broadcast_shreds, get_broadcast_peers};
 use solana_core::cluster_info::{ClusterInfo, Node};
 use solana_core::contact_info::ContactInfo;
+use solana_ledger::shred::Shred;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::timing::timestamp;
-use std::collections::HashMap;
-use std::net::UdpSocket;
-use std::sync::Arc;
+use std::sync::RwLock;
+use std::{
+    collections::HashMap,
+    net::UdpSocket,
+    sync::{atomic::AtomicU64, Arc},
+};
 use test::Bencher;
 
 #[bench]
@@ -20,10 +25,8 @@ fn broadcast_shreds_bench(bencher: &mut Bencher) {
     let mut cluster_info = ClusterInfo::new_with_invalid_keypair(leader_info.info.clone());
     let socket = UdpSocket::bind("0.0.0.0:0").unwrap();
 
-    const SHRED_SIZE: usize = 1024;
     const NUM_SHREDS: usize = 32;
-    let shreds = vec![vec![0; SHRED_SIZE]; NUM_SHREDS];
-    let seeds = vec![[0u8; 32]; NUM_SHREDS];
+    let shreds = vec![Shred::new_empty_data_shred(); NUM_SHREDS];
     let mut stakes = HashMap::new();
     const NUM_PEERS: usize = 200;
     for _ in 0..NUM_PEERS {
@@ -33,10 +36,20 @@ fn broadcast_shreds_bench(bencher: &mut Bencher) {
         stakes.insert(id, thread_rng().gen_range(1, NUM_PEERS) as u64);
     }
     let stakes = Arc::new(stakes);
+    let cluster_info = Arc::new(cluster_info);
+    let (peers, peers_and_stakes) = get_broadcast_peers(&cluster_info, Some(stakes.clone()));
+    let shreds = Arc::new(shreds);
+    let last_datapoint = Arc::new(AtomicU64::new(0));
     bencher.iter(move || {
         let shreds = shreds.clone();
-        cluster_info
-            .broadcast_shreds(&socket, shreds, &seeds, Some(stakes.clone()))
-            .unwrap();
+        broadcast_shreds(
+            &socket,
+            &shreds,
+            &peers_and_stakes,
+            &peers,
+            &last_datapoint,
+            &mut 0,
+        )
+        .unwrap();
     });
 }

core/benches/retransmit_stage.rs

@@ -45,7 +45,7 @@ fn bench_retransmitter(bencher: &mut Bencher) {
         peer_sockets.push(socket);
     }
     let peer_sockets = Arc::new(peer_sockets);
-    let cluster_info = Arc::new(RwLock::new(cluster_info));
+    let cluster_info = Arc::new(cluster_info);
 
     let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(100_000);
     let bank0 = Bank::new(&genesis_config);

core/src/accounts_background_service.rs

@@ -10,29 +10,36 @@ use std::sync::{
 use std::thread::{self, sleep, Builder, JoinHandle};
 use std::time::Duration;
 
-pub struct AccountsCleanupService {
-    t_cleanup: JoinHandle<()>,
+pub struct AccountsBackgroundService {
+    t_background: JoinHandle<()>,
 }
 
-impl AccountsCleanupService {
+const INTERVAL_MS: u64 = 100;
+
+impl AccountsBackgroundService {
     pub fn new(bank_forks: Arc<RwLock<BankForks>>, exit: &Arc<AtomicBool>) -> Self {
-        info!("AccountsCleanupService active");
+        info!("AccountsBackgroundService active");
         let exit = exit.clone();
-        let t_cleanup = Builder::new()
-            .name("solana-accounts-cleanup".to_string())
+        let t_background = Builder::new()
+            .name("solana-accounts-background".to_string())
             .spawn(move || loop {
                 if exit.load(Ordering::Relaxed) {
                     break;
                 }
                 let bank = bank_forks.read().unwrap().working_bank();
-                bank.clean_dead_slots();
-                sleep(Duration::from_millis(100));
+
+                bank.process_dead_slots();
+
+                // Currently, given INTERVAL_MS, we process 1 slot/100 ms
+                bank.process_stale_slot();
+
+                sleep(Duration::from_millis(INTERVAL_MS));
             })
             .unwrap();
-        Self { t_cleanup }
+        Self { t_background }
     }
 
     pub fn join(self) -> thread::Result<()> {
-        self.t_cleanup.join()
+        self.t_background.join()
     }
 }

core/src/accounts_hash_verifier.rs

@@ -4,7 +4,7 @@
 // hash on gossip. Monitor gossip for messages from validators in the --trusted-validators
 // set and halt the node if a mismatch is detected.
 
-use crate::cluster_info::ClusterInfo;
+use crate::cluster_info::{ClusterInfo, MAX_SNAPSHOT_HASHES};
 use solana_ledger::{
     snapshot_package::SnapshotPackage, snapshot_package::SnapshotPackageReceiver,
     snapshot_package::SnapshotPackageSender,
@@ -15,7 +15,7 @@ use std::{
     sync::{
         atomic::{AtomicBool, Ordering},
         mpsc::RecvTimeoutError,
-        Arc, RwLock,
+        Arc,
     },
     thread::{self, Builder, JoinHandle},
     time::Duration,
@@ -30,7 +30,7 @@ impl AccountsHashVerifier {
         snapshot_package_receiver: SnapshotPackageReceiver,
         snapshot_package_sender: Option<SnapshotPackageSender>,
         exit: &Arc<AtomicBool>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         trusted_validators: Option<HashSet<Pubkey>>,
         halt_on_trusted_validators_accounts_hash_mismatch: bool,
         fault_injection_rate_slots: u64,
@@ -72,7 +72,7 @@ impl AccountsHashVerifier {
 
     fn process_snapshot(
         snapshot_package: SnapshotPackage,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         trusted_validators: &Option<HashSet<Pubkey>>,
         halt_on_trusted_validator_accounts_hash_mismatch: bool,
         snapshot_package_sender: &Option<SnapshotPackageSender>,
@@ -94,6 +94,10 @@ impl AccountsHashVerifier {
             hashes.push((snapshot_package.root, snapshot_package.hash));
         }
 
+        while hashes.len() > MAX_SNAPSHOT_HASHES {
+            hashes.remove(0);
+        }
+
         if halt_on_trusted_validator_accounts_hash_mismatch {
             let mut slot_to_hash = HashMap::new();
             for (slot, hash) in hashes.iter() {
@@ -107,25 +111,21 @@ impl AccountsHashVerifier {
             if sender.send(snapshot_package).is_err() {}
         }
 
-        cluster_info
-            .write()
-            .unwrap()
-            .push_accounts_hashes(hashes.clone());
+        cluster_info.push_accounts_hashes(hashes.clone());
     }
 
     fn should_halt(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         trusted_validators: &Option<HashSet<Pubkey>>,
         slot_to_hash: &mut HashMap<Slot, Hash>,
     ) -> bool {
         let mut verified_count = 0;
+        let mut highest_slot = 0;
         if let Some(trusted_validators) = trusted_validators.as_ref() {
             for trusted_validator in trusted_validators {
-                let cluster_info_r = cluster_info.read().unwrap();
-                if let Some(accounts_hashes) =
-                    cluster_info_r.get_accounts_hash_for_node(trusted_validator)
+                let is_conflicting = cluster_info.get_accounts_hash_for_node(trusted_validator, |accounts_hashes|
                 {
-                    for (slot, hash) in accounts_hashes {
+                    accounts_hashes.iter().any(|(slot, hash)| {
                         if let Some(reference_hash) = slot_to_hash.get(slot) {
                             if *hash != *reference_hash {
                                 error!("Trusted validator {} produced conflicting hashes for slot: {} ({} != {})",
@@ -134,19 +134,29 @@ impl AccountsHashVerifier {
                                     hash,
                                     reference_hash,
                                 );
-
-                                return true;
+                                true
                             } else {
                                 verified_count += 1;
+                                false
                             }
                         } else {
+                            highest_slot = std::cmp::max(*slot, highest_slot);
                             slot_to_hash.insert(*slot, *hash);
+                            false
                         }
-                    }
+                    })
+                }).unwrap_or(false);
+
+                if is_conflicting {
+                    return true;
                 }
             }
         }
         inc_new_counter_info!("accounts_hash_verifier-hashes_verified", verified_count);
+        datapoint_info!(
+            "accounts_hash_verifier",
+            ("highest_slot_verified", highest_slot, i64),
+        );
         false
     }
 
@@ -171,7 +181,7 @@ mod tests {
 
         let contact_info = ContactInfo::new_localhost(&keypair.pubkey(), 0);
         let cluster_info = ClusterInfo::new_with_invalid_keypair(contact_info);
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
 
         let mut trusted_validators = HashSet::new();
         let mut slot_to_hash = HashMap::new();
@@ -186,8 +196,7 @@ mod tests {
         let hash2 = hash(&[2]);
         {
             let message = make_accounts_hashes_message(&validator1, vec![(0, hash1)]).unwrap();
-            let mut cluster_info_w = cluster_info.write().unwrap();
-            cluster_info_w.push_message(message);
+            cluster_info.push_message(message);
         }
         slot_to_hash.insert(0, hash2);
         trusted_validators.insert(validator1.pubkey());
@@ -197,4 +206,56 @@ mod tests {
             &mut slot_to_hash,
         ));
     }
+
+    #[test]
+    fn test_max_hashes() {
+        solana_logger::setup();
+        use std::path::PathBuf;
+        use tempfile::TempDir;
+        let keypair = Keypair::new();
+
+        let contact_info = ContactInfo::new_localhost(&keypair.pubkey(), 0);
+        let cluster_info = ClusterInfo::new_with_invalid_keypair(contact_info);
+        let cluster_info = Arc::new(cluster_info);
+
+        let trusted_validators = HashSet::new();
+        let exit = Arc::new(AtomicBool::new(false));
+        let mut hashes = vec![];
+        for i in 0..MAX_SNAPSHOT_HASHES + 1 {
+            let snapshot_links = TempDir::new().unwrap();
+            let snapshot_package = SnapshotPackage {
+                hash: hash(&[i as u8]),
+                root: 100 + i as u64,
+                slot_deltas: vec![],
+                snapshot_links,
+                tar_output_file: PathBuf::from("."),
+                storages: vec![],
+            };
+
+            AccountsHashVerifier::process_snapshot(
+                snapshot_package,
+                &cluster_info,
+                &Some(trusted_validators.clone()),
+                false,
+                &None,
+                &mut hashes,
+                &exit,
+                0,
+            );
+        }
+        let cluster_hashes = cluster_info
+            .get_accounts_hash_for_node(&keypair.pubkey(), |c| c.clone())
+            .unwrap();
+        info!("{:?}", cluster_hashes);
+        assert_eq!(hashes.len(), MAX_SNAPSHOT_HASHES);
+        assert_eq!(cluster_hashes.len(), MAX_SNAPSHOT_HASHES);
+        assert_eq!(cluster_hashes[0], (101, hash(&[1])));
+        assert_eq!(
+            cluster_hashes[MAX_SNAPSHOT_HASHES - 1],
+            (
+                100 + MAX_SNAPSHOT_HASHES as u64,
+                hash(&[MAX_SNAPSHOT_HASHES as u8])
+            )
+        );
+    }
 }

core/src/banking_stage.rs

@@ -41,7 +41,7 @@ use std::{
     net::UdpSocket,
     sync::atomic::AtomicBool,
     sync::mpsc::Receiver,
-    sync::{Arc, Mutex, RwLock},
+    sync::{Arc, Mutex},
     thread::{self, Builder, JoinHandle},
     time::Duration,
     time::Instant,
@@ -76,7 +76,7 @@ impl BankingStage {
     /// Create the stage using `bank`. Exit when `verified_receiver` is dropped.
     #[allow(clippy::new_ret_no_self)]
     pub fn new(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
         verified_receiver: CrossbeamReceiver<Vec<Packets>>,
         verified_vote_receiver: CrossbeamReceiver<Vec<Packets>>,
@@ -93,7 +93,7 @@ impl BankingStage {
     }
 
     fn new_num_threads(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
         verified_receiver: CrossbeamReceiver<Vec<Packets>>,
         verified_vote_receiver: CrossbeamReceiver<Vec<Packets>>,
@@ -104,7 +104,7 @@ impl BankingStage {
         // Single thread to generate entries from many banks.
         // This thread talks to poh_service and broadcasts the entries once they have been recorded.
         // Once an entry has been recorded, its blockhash is registered with the bank.
-        let my_pubkey = cluster_info.read().unwrap().id();
+        let my_pubkey = cluster_info.id();
         // Many banks that process transactions in parallel.
         let bank_thread_hdls: Vec<JoinHandle<()>> = (0..num_threads)
             .map(|i| {
@@ -287,7 +287,7 @@ impl BankingStage {
         my_pubkey: &Pubkey,
         socket: &std::net::UdpSocket,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         buffered_packets: &mut Vec<PacketsAndOffsets>,
         enable_forwarding: bool,
         batch_limit: usize,
@@ -331,10 +331,7 @@ impl BankingStage {
                     next_leader.map_or((), |leader_pubkey| {
                         let leader_addr = {
                             cluster_info
-                                .read()
-                                .unwrap()
-                                .lookup(&leader_pubkey)
-                                .map(|leader| leader.tpu_forwards)
+                                .lookup_contact_info(&leader_pubkey, |leader| leader.tpu_forwards)
                         };
 
                         leader_addr.map_or((), |leader_addr| {
@@ -358,7 +355,7 @@ impl BankingStage {
         my_pubkey: Pubkey,
         verified_receiver: &CrossbeamReceiver<Vec<Packets>>,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         recv_start: &mut Instant,
         enable_forwarding: bool,
         id: u32,
@@ -1049,7 +1046,7 @@ mod tests {
             let (exit, poh_recorder, poh_service, _entry_receiever) =
                 create_test_recorder(&bank, &blockstore, None);
             let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-            let cluster_info = Arc::new(RwLock::new(cluster_info));
+            let cluster_info = Arc::new(cluster_info);
             let banking_stage = BankingStage::new(
                 &cluster_info,
                 &poh_recorder,
@@ -1089,7 +1086,7 @@ mod tests {
             let (exit, poh_recorder, poh_service, entry_receiver) =
                 create_test_recorder(&bank, &blockstore, Some(poh_config));
             let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-            let cluster_info = Arc::new(RwLock::new(cluster_info));
+            let cluster_info = Arc::new(cluster_info);
             let banking_stage = BankingStage::new(
                 &cluster_info,
                 &poh_recorder,
@@ -1152,7 +1149,7 @@ mod tests {
             let (exit, poh_recorder, poh_service, entry_receiver) =
                 create_test_recorder(&bank, &blockstore, Some(poh_config));
             let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-            let cluster_info = Arc::new(RwLock::new(cluster_info));
+            let cluster_info = Arc::new(cluster_info);
             let banking_stage = BankingStage::new(
                 &cluster_info,
                 &poh_recorder,
@@ -1293,7 +1290,7 @@ mod tests {
                     create_test_recorder(&bank, &blockstore, Some(poh_config));
                 let cluster_info =
                     ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);
-                let cluster_info = Arc::new(RwLock::new(cluster_info));
+                let cluster_info = Arc::new(cluster_info);
                 let _banking_stage = BankingStage::new_num_threads(
                     &cluster_info,
                     &poh_recorder,
@@ -1982,13 +1979,23 @@ mod tests {
             {
                 if let EncodedTransaction::Json(transaction) = transaction {
                     if transaction.signatures[0] == success_signature.to_string() {
-                        assert_eq!(meta.unwrap().status, Ok(()));
+                        let meta = meta.unwrap();
+                        assert_eq!(meta.err, None);
+                        assert_eq!(meta.status, Ok(()));
                     } else if transaction.signatures[0] == ix_error_signature.to_string() {
+                        let meta = meta.unwrap();
                         assert_eq!(
-                            meta.unwrap().status,
+                            meta.err,
+                            Some(TransactionError::InstructionError(
+                                0,
+                                InstructionError::Custom(1)
+                            ))
+                        );
+                        assert_eq!(
+                            meta.status,
                             Err(TransactionError::InstructionError(
                                 0,
-                                InstructionError::CustomError(1)
+                                InstructionError::Custom(1)
                             ))
                         );
                     } else {

core/src/broadcast_stage.rs

@@ -1,9 +1,12 @@
 //! A stage to broadcast data from a leader node to validators
 use self::{
-    broadcast_fake_shreds_run::BroadcastFakeShredsRun,
+    broadcast_fake_shreds_run::BroadcastFakeShredsRun, broadcast_metrics::*,
     fail_entry_verification_broadcast_run::FailEntryVerificationBroadcastRun,
     standard_broadcast_run::StandardBroadcastRun,
 };
+use crate::contact_info::ContactInfo;
+use crate::crds_gossip_pull::CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS;
+use crate::weighted_shuffle::weighted_best;
 use crate::{
     cluster_info::{ClusterInfo, ClusterInfoError},
     poh_recorder::WorkingBankEntry,
@@ -14,27 +17,34 @@ use crossbeam_channel::{
     Sender as CrossbeamSender,
 };
 use solana_ledger::{blockstore::Blockstore, shred::Shred, staking_utils};
+use solana_measure::measure::Measure;
 use solana_metrics::{inc_new_counter_error, inc_new_counter_info};
 use solana_runtime::bank::Bank;
+use solana_sdk::timing::timestamp;
 use solana_sdk::{clock::Slot, pubkey::Pubkey};
+use solana_streamer::sendmmsg::send_mmsg;
+use std::sync::atomic::AtomicU64;
 use std::{
     collections::HashMap,
     net::UdpSocket,
     sync::atomic::{AtomicBool, Ordering},
     sync::mpsc::{channel, Receiver, RecvError, RecvTimeoutError, Sender},
-    sync::{Arc, Mutex, RwLock},
+    sync::{Arc, Mutex},
     thread::{self, Builder, JoinHandle},
     time::{Duration, Instant},
 };
 
 mod broadcast_fake_shreds_run;
+pub(crate) mod broadcast_metrics;
 pub(crate) mod broadcast_utils;
 mod fail_entry_verification_broadcast_run;
 mod standard_broadcast_run;
 
-pub const NUM_INSERT_THREADS: usize = 2;
-pub type RetransmitSlotsSender = CrossbeamSender<HashMap<Slot, Arc<Bank>>>;
-pub type RetransmitSlotsReceiver = CrossbeamReceiver<HashMap<Slot, Arc<Bank>>>;
+pub(crate) const NUM_INSERT_THREADS: usize = 2;
+pub(crate) type RetransmitSlotsSender = CrossbeamSender<HashMap<Slot, Arc<Bank>>>;
+pub(crate) type RetransmitSlotsReceiver = CrossbeamReceiver<HashMap<Slot, Arc<Bank>>>;
+pub(crate) type RecordReceiver = Receiver<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>;
+pub(crate) type TransmitReceiver = Receiver<(TransmitShreds, Option<BroadcastShredBatchInfo>)>;
 
 #[derive(Debug, PartialEq, Eq, Clone)]
 pub enum BroadcastStageReturnType {
@@ -52,14 +62,14 @@ impl BroadcastStageType {
     pub fn new_broadcast_stage(
         &self,
         sock: Vec<UdpSocket>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         receiver: Receiver<WorkingBankEntry>,
         retransmit_slots_receiver: RetransmitSlotsReceiver,
         exit_sender: &Arc<AtomicBool>,
         blockstore: &Arc<Blockstore>,
         shred_version: u16,
     ) -> BroadcastStage {
-        let keypair = cluster_info.read().unwrap().keypair.clone();
+        let keypair = cluster_info.keypair.clone();
         match self {
             BroadcastStageType::Standard => BroadcastStage::new(
                 sock,
@@ -100,18 +110,18 @@ trait BroadcastRun {
         &mut self,
         blockstore: &Arc<Blockstore>,
         receiver: &Receiver<WorkingBankEntry>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
     ) -> Result<()>;
     fn transmit(
-        &self,
-        receiver: &Arc<Mutex<Receiver<TransmitShreds>>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        &mut self,
+        receiver: &Arc<Mutex<TransmitReceiver>>,
+        cluster_info: &ClusterInfo,
         sock: &UdpSocket,
     ) -> Result<()>;
     fn record(
-        &self,
-        receiver: &Arc<Mutex<Receiver<Arc<Vec<Shred>>>>>,
+        &mut self,
+        receiver: &Arc<Mutex<RecordReceiver>>,
         blockstore: &Arc<Blockstore>,
     ) -> Result<()>;
 }
@@ -143,8 +153,8 @@ impl BroadcastStage {
     fn run(
         blockstore: &Arc<Blockstore>,
         receiver: &Receiver<WorkingBankEntry>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
         mut broadcast_stage_run: impl BroadcastRun,
     ) -> BroadcastStageReturnType {
         loop {
@@ -195,7 +205,7 @@ impl BroadcastStage {
     #[allow(clippy::too_many_arguments)]
     fn new(
         socks: Vec<UdpSocket>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         receiver: Receiver<WorkingBankEntry>,
         retransmit_slots_receiver: RetransmitSlotsReceiver,
         exit_sender: &Arc<AtomicBool>,
@@ -226,7 +236,7 @@ impl BroadcastStage {
         let socket_receiver = Arc::new(Mutex::new(socket_receiver));
         for sock in socks.into_iter() {
             let socket_receiver = socket_receiver.clone();
-            let bs_transmit = broadcast_stage_run.clone();
+            let mut bs_transmit = broadcast_stage_run.clone();
             let cluster_info = cluster_info.clone();
             let t = Builder::new()
                 .name("solana-broadcaster-transmit".to_string())
@@ -243,7 +253,7 @@ impl BroadcastStage {
         let blockstore_receiver = Arc::new(Mutex::new(blockstore_receiver));
         for _ in 0..NUM_INSERT_THREADS {
             let blockstore_receiver = blockstore_receiver.clone();
-            let bs_record = broadcast_stage_run.clone();
+            let mut bs_record = broadcast_stage_run.clone();
             let btree = blockstore.clone();
             let t = Builder::new()
                 .name("solana-broadcaster-record".to_string())
@@ -282,7 +292,7 @@ impl BroadcastStage {
     fn check_retransmit_signals(
         blockstore: &Blockstore,
         retransmit_slots_receiver: &RetransmitSlotsReceiver,
-        socket_sender: &Sender<TransmitShreds>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
     ) -> Result<()> {
         let timer = Duration::from_millis(100);
 
@@ -303,7 +313,7 @@ impl BroadcastStage {
             );
 
             if !data_shreds.is_empty() {
-                socket_sender.send((stakes.clone(), data_shreds))?;
+                socket_sender.send(((stakes.clone(), data_shreds), None))?;
             }
 
             let coding_shreds = Arc::new(
@@ -313,7 +323,7 @@ impl BroadcastStage {
             );
 
             if !coding_shreds.is_empty() {
-                socket_sender.send((stakes.clone(), coding_shreds))?;
+                socket_sender.send(((stakes.clone(), coding_shreds), None))?;
             }
         }
 
@@ -328,6 +338,99 @@ impl BroadcastStage {
     }
 }
 
+fn update_peer_stats(
+    num_live_peers: i64,
+    broadcast_len: i64,
+    last_datapoint_submit: &Arc<AtomicU64>,
+) {
+    let now = timestamp();
+    let last = last_datapoint_submit.load(Ordering::Relaxed);
+    if now - last > 1000
+        && last_datapoint_submit.compare_and_swap(last, now, Ordering::Relaxed) == last
+    {
+        datapoint_info!(
+            "cluster_info-num_nodes",
+            ("live_count", num_live_peers, i64),
+            ("broadcast_count", broadcast_len, i64)
+        );
+    }
+}
+
+pub fn get_broadcast_peers<S: std::hash::BuildHasher>(
+    cluster_info: &ClusterInfo,
+    stakes: Option<Arc<HashMap<Pubkey, u64, S>>>,
+) -> (Vec<ContactInfo>, Vec<(u64, usize)>) {
+    use crate::cluster_info;
+    let mut peers = cluster_info.tvu_peers();
+    let peers_and_stakes = cluster_info::stake_weight_peers(&mut peers, stakes);
+    (peers, peers_and_stakes)
+}
+
+/// broadcast messages from the leader to layer 1 nodes
+/// # Remarks
+pub fn broadcast_shreds(
+    s: &UdpSocket,
+    shreds: &Arc<Vec<Shred>>,
+    peers_and_stakes: &[(u64, usize)],
+    peers: &[ContactInfo],
+    last_datapoint_submit: &Arc<AtomicU64>,
+    send_mmsg_total: &mut u64,
+) -> Result<()> {
+    let broadcast_len = peers_and_stakes.len();
+    if broadcast_len == 0 {
+        update_peer_stats(1, 1, last_datapoint_submit);
+        return Ok(());
+    }
+    let packets: Vec<_> = shreds
+        .iter()
+        .map(|shred| {
+            let broadcast_index = weighted_best(&peers_and_stakes, shred.seed());
+
+            (&shred.payload, &peers[broadcast_index].tvu)
+        })
+        .collect();
+
+    let mut sent = 0;
+    let mut send_mmsg_time = Measure::start("send_mmsg");
+    while sent < packets.len() {
+        match send_mmsg(s, &packets[sent..]) {
+            Ok(n) => sent += n,
+            Err(e) => {
+                return Err(Error::IO(e));
+            }
+        }
+    }
+    send_mmsg_time.stop();
+    *send_mmsg_total += send_mmsg_time.as_us();
+
+    let num_live_peers = num_live_peers(&peers);
+    update_peer_stats(
+        num_live_peers,
+        broadcast_len as i64 + 1,
+        last_datapoint_submit,
+    );
+    Ok(())
+}
+
+fn distance(a: u64, b: u64) -> u64 {
+    if a > b {
+        a - b
+    } else {
+        b - a
+    }
+}
+
+fn num_live_peers(peers: &[ContactInfo]) -> i64 {
+    let mut num_live_peers = 1i64;
+    peers.iter().for_each(|p| {
+        // A peer is considered live if they generated their contact info recently
+        if distance(timestamp(), p.wallclock) <= CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS {
+            num_live_peers += 1;
+        }
+    });
+    num_live_peers
+}
+
 #[cfg(test)]
 pub mod test {
     use super::*;
@@ -347,11 +450,7 @@ pub mod test {
         signature::{Keypair, Signer},
     };
     use std::{
-        path::Path,
-        sync::atomic::AtomicBool,
-        sync::mpsc::channel,
-        sync::{Arc, RwLock},
-        thread::sleep,
+        path::Path, sync::atomic::AtomicBool, sync::mpsc::channel, sync::Arc, thread::sleep,
     };
 
     pub fn make_transmit_shreds(
@@ -386,13 +485,13 @@ pub mod test {
     }
 
     fn check_all_shreds_received(
-        transmit_receiver: &Receiver<TransmitShreds>,
+        transmit_receiver: &TransmitReceiver,
         mut data_index: u64,
         mut coding_index: u64,
         num_expected_data_shreds: u64,
         num_expected_coding_shreds: u64,
     ) {
-        while let Ok(new_retransmit_slots) = transmit_receiver.try_recv() {
+        while let Ok((new_retransmit_slots, _)) = transmit_receiver.try_recv() {
             if new_retransmit_slots.1[0].is_data() {
                 for data_shred in new_retransmit_slots.1.iter() {
                     assert_eq!(data_shred.index() as u64, data_index);
@@ -411,6 +510,17 @@ pub mod test {
         assert_eq!(num_expected_coding_shreds, coding_index);
     }
 
+    #[test]
+    fn test_num_live_peers() {
+        let mut ci = ContactInfo::default();
+        ci.wallclock = std::u64::MAX;
+        assert_eq!(num_live_peers(&[ci.clone()]), 1);
+        ci.wallclock = timestamp() - 1;
+        assert_eq!(num_live_peers(&[ci.clone()]), 2);
+        ci.wallclock = timestamp() - CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS - 1;
+        assert_eq!(num_live_peers(&[ci]), 1);
+    }
+
     #[test]
     fn test_duplicate_retransmit_signal() {
         // Setup
@@ -484,16 +594,16 @@ pub mod test {
         let broadcast_buddy = Node::new_localhost_with_pubkey(&buddy_keypair.pubkey());
 
         // Fill the cluster_info with the buddy's info
-        let mut cluster_info = ClusterInfo::new_with_invalid_keypair(leader_info.info.clone());
+        let cluster_info = ClusterInfo::new_with_invalid_keypair(leader_info.info.clone());
         cluster_info.insert_info(broadcast_buddy.info);
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
 
         let exit_sender = Arc::new(AtomicBool::new(false));
 
         let GenesisConfigInfo { genesis_config, .. } = create_genesis_config(10_000);
         let bank = Arc::new(Bank::new(&genesis_config));
 
-        let leader_keypair = cluster_info.read().unwrap().keypair.clone();
+        let leader_keypair = cluster_info.keypair.clone();
         // Start up the broadcast stage
         let broadcast_service = BroadcastStage::new(
             leader_info.sockets.broadcast,

core/src/broadcast_stage/broadcast_fake_shreds_run.rs

@@ -28,8 +28,8 @@ impl BroadcastRun for BroadcastFakeShredsRun {
         &mut self,
         blockstore: &Arc<Blockstore>,
         receiver: &Receiver<WorkingBankEntry>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
     ) -> Result<()> {
         // 1) Pull entries from banking stage
         let receive_results = broadcast_utils::recv_slot_entries(receiver)?;
@@ -83,26 +83,32 @@ impl BroadcastRun for BroadcastFakeShredsRun {
         }
 
         let data_shreds = Arc::new(data_shreds);
-        blockstore_sender.send(data_shreds.clone())?;
+        blockstore_sender.send((data_shreds.clone(), None))?;
 
         // 3) Start broadcast step
         //some indicates fake shreds
-        socket_sender.send((Some(Arc::new(HashMap::new())), Arc::new(fake_data_shreds)))?;
-        socket_sender.send((Some(Arc::new(HashMap::new())), Arc::new(fake_coding_shreds)))?;
+        socket_sender.send((
+            (Some(Arc::new(HashMap::new())), Arc::new(fake_data_shreds)),
+            None,
+        ))?;
+        socket_sender.send((
+            (Some(Arc::new(HashMap::new())), Arc::new(fake_coding_shreds)),
+            None,
+        ))?;
         //none indicates real shreds
-        socket_sender.send((None, data_shreds))?;
-        socket_sender.send((None, Arc::new(coding_shreds)))?;
+        socket_sender.send(((None, data_shreds), None))?;
+        socket_sender.send(((None, Arc::new(coding_shreds)), None))?;
 
         Ok(())
     }
     fn transmit(
-        &self,
-        receiver: &Arc<Mutex<Receiver<TransmitShreds>>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        &mut self,
+        receiver: &Arc<Mutex<TransmitReceiver>>,
+        cluster_info: &ClusterInfo,
         sock: &UdpSocket,
     ) -> Result<()> {
-        for (stakes, data_shreds) in receiver.lock().unwrap().iter() {
-            let peers = cluster_info.read().unwrap().tvu_peers();
+        for ((stakes, data_shreds), _) in receiver.lock().unwrap().iter() {
+            let peers = cluster_info.tvu_peers();
             peers.iter().enumerate().for_each(|(i, peer)| {
                 if i <= self.partition && stakes.is_some() {
                     // Send fake shreds to the first N peers
@@ -119,11 +125,11 @@ impl BroadcastRun for BroadcastFakeShredsRun {
         Ok(())
     }
     fn record(
-        &self,
-        receiver: &Arc<Mutex<Receiver<Arc<Vec<Shred>>>>>,
+        &mut self,
+        receiver: &Arc<Mutex<RecordReceiver>>,
         blockstore: &Arc<Blockstore>,
     ) -> Result<()> {
-        for data_shreds in receiver.lock().unwrap().iter() {
+        for (data_shreds, _) in receiver.lock().unwrap().iter() {
             blockstore.insert_shreds(data_shreds.to_vec(), None, true)?;
         }
         Ok(())
@@ -139,7 +145,7 @@ mod tests {
 
     #[test]
     fn test_tvu_peers_ordering() {
-        let mut cluster = ClusterInfo::new_with_invalid_keypair(ContactInfo::new_localhost(
+        let cluster = ClusterInfo::new_with_invalid_keypair(ContactInfo::new_localhost(
             &Pubkey::new_rand(),
             0,
         ));

core/src/broadcast_stage/broadcast_metrics.rs

@@ -0,0 +1,288 @@
+use super::*;
+
+pub(crate) trait BroadcastStats {
+    fn update(&mut self, new_stats: &Self);
+    fn report_stats(&mut self, slot: Slot, slot_start: Instant);
+}
+
+#[derive(Clone)]
+pub(crate) struct BroadcastShredBatchInfo {
+    pub(crate) slot: Slot,
+    pub(crate) num_expected_batches: Option<usize>,
+    pub(crate) slot_start_ts: Instant,
+}
+
+#[derive(Default, Clone)]
+pub(crate) struct ProcessShredsStats {
+    // Per-slot elapsed time
+    pub(crate) shredding_elapsed: u64,
+    pub(crate) receive_elapsed: u64,
+}
+impl ProcessShredsStats {
+    pub(crate) fn update(&mut self, new_stats: &ProcessShredsStats) {
+        self.shredding_elapsed += new_stats.shredding_elapsed;
+        self.receive_elapsed += new_stats.receive_elapsed;
+    }
+    pub(crate) fn reset(&mut self) {
+        *self = Self::default();
+    }
+}
+
+#[derive(Default, Clone)]
+pub(crate) struct TransmitShredsStats {
+    pub(crate) transmit_elapsed: u64,
+    pub(crate) send_mmsg_elapsed: u64,
+    pub(crate) get_peers_elapsed: u64,
+    pub(crate) num_shreds: usize,
+}
+
+impl BroadcastStats for TransmitShredsStats {
+    fn update(&mut self, new_stats: &TransmitShredsStats) {
+        self.transmit_elapsed += new_stats.transmit_elapsed;
+        self.send_mmsg_elapsed += new_stats.send_mmsg_elapsed;
+        self.get_peers_elapsed += new_stats.get_peers_elapsed;
+        self.num_shreds += new_stats.num_shreds;
+    }
+    fn report_stats(&mut self, slot: Slot, slot_start: Instant) {
+        datapoint_info!(
+            "broadcast-transmit-shreds-stats",
+            ("slot", slot as i64, i64),
+            (
+                "end_to_end_elapsed",
+                // `slot_start` signals when the first batch of shreds was
+                // received, used to measure duration of broadcast
+                slot_start.elapsed().as_micros() as i64,
+                i64
+            ),
+            ("transmit_elapsed", self.transmit_elapsed as i64, i64),
+            ("send_mmsg_elapsed", self.send_mmsg_elapsed as i64, i64),
+            ("get_peers_elapsed", self.get_peers_elapsed as i64, i64),
+            ("num_shreds", self.num_shreds as i64, i64),
+        );
+    }
+}
+
+#[derive(Default, Clone)]
+pub(crate) struct InsertShredsStats {
+    pub(crate) insert_shreds_elapsed: u64,
+    pub(crate) num_shreds: usize,
+}
+impl BroadcastStats for InsertShredsStats {
+    fn update(&mut self, new_stats: &InsertShredsStats) {
+        self.insert_shreds_elapsed += new_stats.insert_shreds_elapsed;
+        self.num_shreds += new_stats.num_shreds;
+    }
+    fn report_stats(&mut self, slot: Slot, slot_start: Instant) {
+        datapoint_info!(
+            "broadcast-insert-shreds-stats",
+            ("slot", slot as i64, i64),
+            (
+                "end_to_end_elapsed",
+                // `slot_start` signals when the first batch of shreds was
+                // received, used to measure duration of broadcast
+                slot_start.elapsed().as_micros() as i64,
+                i64
+            ),
+            (
+                "insert_shreds_elapsed",
+                self.insert_shreds_elapsed as i64,
+                i64
+            ),
+            ("num_shreds", self.num_shreds as i64, i64),
+        );
+    }
+}
+
+// Tracks metrics of type `T` acrosss multiple threads
+#[derive(Default)]
+pub(crate) struct BatchCounter<T: BroadcastStats + Default> {
+    // The number of batches processed across all threads so far
+    num_batches: usize,
+    // Filled in when the last batch of shreds is received,
+    // signals how many batches of shreds to expect
+    num_expected_batches: Option<usize>,
+    broadcast_shred_stats: T,
+}
+
+impl<T: BroadcastStats + Default> BatchCounter<T> {
+    #[cfg(test)]
+    pub(crate) fn num_batches(&self) -> usize {
+        self.num_batches
+    }
+}
+
+#[derive(Default)]
+pub(crate) struct SlotBroadcastStats<T: BroadcastStats + Default>(HashMap<Slot, BatchCounter<T>>);
+
+impl<T: BroadcastStats + Default> SlotBroadcastStats<T> {
+    #[cfg(test)]
+    pub(crate) fn get(&self, slot: Slot) -> Option<&BatchCounter<T>> {
+        self.0.get(&slot)
+    }
+    pub(crate) fn update(&mut self, new_stats: &T, batch_info: &Option<BroadcastShredBatchInfo>) {
+        if let Some(batch_info) = batch_info {
+            let mut should_delete = false;
+            {
+                let slot_batch_counter = self.0.entry(batch_info.slot).or_default();
+                slot_batch_counter.broadcast_shred_stats.update(new_stats);
+                // Only count the ones where `broadcast_shred_batch_info`.is_some(), because
+                // there could potentially be other `retransmit` slots inserted into the
+                // transmit pipeline (signaled by ReplayStage) that are not created by the
+                // main shredding/broadcast pipeline
+                slot_batch_counter.num_batches += 1;
+                if let Some(num_expected_batches) = batch_info.num_expected_batches {
+                    slot_batch_counter.num_expected_batches = Some(num_expected_batches);
+                }
+                if let Some(num_expected_batches) = slot_batch_counter.num_expected_batches {
+                    if slot_batch_counter.num_batches == num_expected_batches {
+                        slot_batch_counter
+                            .broadcast_shred_stats
+                            .report_stats(batch_info.slot, batch_info.slot_start_ts);
+                        should_delete = true;
+                    }
+                }
+            }
+            if should_delete {
+                self.0
+                    .remove(&batch_info.slot)
+                    .expect("delete should be successful");
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[derive(Default)]
+    struct TestStats {
+        sender: Option<Sender<(usize, Slot, Instant)>>,
+        count: usize,
+    }
+
+    impl BroadcastStats for TestStats {
+        fn update(&mut self, new_stats: &TestStats) {
+            self.count += new_stats.count;
+            self.sender = new_stats.sender.clone();
+        }
+        fn report_stats(&mut self, slot: Slot, slot_start: Instant) {
+            self.sender
+                .as_ref()
+                .unwrap()
+                .send((self.count, slot, slot_start))
+                .unwrap()
+        }
+    }
+
+    #[test]
+    fn test_update() {
+        let start = Instant::now();
+        let mut slot_broadcast_stats = SlotBroadcastStats::default();
+        slot_broadcast_stats.update(
+            &TransmitShredsStats {
+                transmit_elapsed: 1,
+                get_peers_elapsed: 1,
+                send_mmsg_elapsed: 1,
+                num_shreds: 1,
+            },
+            &Some(BroadcastShredBatchInfo {
+                slot: 0,
+                num_expected_batches: Some(2),
+                slot_start_ts: start.clone(),
+            }),
+        );
+
+        // Singular update
+        let slot_0_stats = slot_broadcast_stats.0.get(&0).unwrap();
+        assert_eq!(slot_0_stats.num_batches, 1);
+        assert_eq!(slot_0_stats.num_expected_batches.unwrap(), 2);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.transmit_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.get_peers_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.send_mmsg_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.num_shreds, 1);
+
+        slot_broadcast_stats.update(
+            &TransmitShredsStats {
+                transmit_elapsed: 1,
+                get_peers_elapsed: 1,
+                send_mmsg_elapsed: 1,
+                num_shreds: 1,
+            },
+            &None,
+        );
+
+        // If BroadcastShredBatchInfo == None, then update should be ignored
+        let slot_0_stats = slot_broadcast_stats.0.get(&0).unwrap();
+        assert_eq!(slot_0_stats.num_batches, 1);
+        assert_eq!(slot_0_stats.num_expected_batches.unwrap(), 2);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.transmit_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.get_peers_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.send_mmsg_elapsed, 1);
+        assert_eq!(slot_0_stats.broadcast_shred_stats.num_shreds, 1);
+
+        // If another batch is given, then total number of batches == num_expected_batches == 2,
+        // so the batch should be purged from the HashMap
+        slot_broadcast_stats.update(
+            &TransmitShredsStats {
+                transmit_elapsed: 1,
+                get_peers_elapsed: 1,
+                send_mmsg_elapsed: 1,
+                num_shreds: 1,
+            },
+            &Some(BroadcastShredBatchInfo {
+                slot: 0,
+                num_expected_batches: None,
+                slot_start_ts: start.clone(),
+            }),
+        );
+
+        assert!(slot_broadcast_stats.0.get(&0).is_none());
+    }
+
+    #[test]
+    fn test_update_multi_threaded() {
+        for round in 0..50 {
+            let start = Instant::now();
+            let slot_broadcast_stats = Arc::new(Mutex::new(SlotBroadcastStats::default()));
+            let num_threads = 5;
+            let slot = 0;
+            let (sender, receiver) = channel();
+            let thread_handles: Vec<_> = (0..num_threads)
+                .into_iter()
+                .map(|i| {
+                    let slot_broadcast_stats = slot_broadcast_stats.clone();
+                    let sender = Some(sender.clone());
+                    let test_stats = TestStats { sender, count: 1 };
+                    let mut broadcast_batch_info = BroadcastShredBatchInfo {
+                        slot,
+                        num_expected_batches: None,
+                        slot_start_ts: start.clone(),
+                    };
+                    if i == round % num_threads {
+                        broadcast_batch_info.num_expected_batches = Some(num_threads);
+                    }
+                    Builder::new()
+                        .name("test_update_multi_threaded".to_string())
+                        .spawn(move || {
+                            slot_broadcast_stats
+                                .lock()
+                                .unwrap()
+                                .update(&test_stats, &Some(broadcast_batch_info))
+                        })
+                        .unwrap()
+                })
+                .collect();
+
+            for t in thread_handles {
+                t.join().unwrap();
+            }
+
+            assert!(slot_broadcast_stats.lock().unwrap().0.get(&slot).is_none());
+            let (returned_count, returned_slot, returned_instant) = receiver.recv().unwrap();
+            assert_eq!(returned_count, num_threads);
+            assert_eq!(returned_slot, slot);
+            assert_eq!(returned_instant, returned_instant);
+        }
+    }
+}

core/src/broadcast_stage/fail_entry_verification_broadcast_run.rs

@@ -23,8 +23,8 @@ impl BroadcastRun for FailEntryVerificationBroadcastRun {
         &mut self,
         blockstore: &Arc<Blockstore>,
         receiver: &Receiver<WorkingBankEntry>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
     ) -> Result<()> {
         // 1) Pull entries from banking stage
         let mut receive_results = broadcast_utils::recv_slot_entries(receiver)?;
@@ -61,38 +61,44 @@ impl BroadcastRun for FailEntryVerificationBroadcastRun {
         );
 
         let data_shreds = Arc::new(data_shreds);
-        blockstore_sender.send(data_shreds.clone())?;
+        blockstore_sender.send((data_shreds.clone(), None))?;
         // 3) Start broadcast step
         let bank_epoch = bank.get_leader_schedule_epoch(bank.slot());
         let stakes = staking_utils::staked_nodes_at_epoch(&bank, bank_epoch);
 
         let stakes = stakes.map(Arc::new);
-        socket_sender.send((stakes.clone(), data_shreds))?;
-        socket_sender.send((stakes, Arc::new(coding_shreds)))?;
+        socket_sender.send(((stakes.clone(), data_shreds), None))?;
+        socket_sender.send(((stakes, Arc::new(coding_shreds)), None))?;
         Ok(())
     }
     fn transmit(
-        &self,
-        receiver: &Arc<Mutex<Receiver<TransmitShreds>>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        &mut self,
+        receiver: &Arc<Mutex<TransmitReceiver>>,
+        cluster_info: &ClusterInfo,
         sock: &UdpSocket,
     ) -> Result<()> {
-        let (stakes, shreds) = receiver.lock().unwrap().recv()?;
-        let all_seeds: Vec<[u8; 32]> = shreds.iter().map(|s| s.seed()).collect();
+        let ((stakes, shreds), _) = receiver.lock().unwrap().recv()?;
         // Broadcast data
-        let all_shred_bufs: Vec<Vec<u8>> = shreds.to_vec().into_iter().map(|s| s.payload).collect();
-        cluster_info
-            .write()
-            .unwrap()
-            .broadcast_shreds(sock, all_shred_bufs, &all_seeds, stakes)?;
+        let (peers, peers_and_stakes) = get_broadcast_peers(cluster_info, stakes);
+
+        let mut send_mmsg_total = 0;
+        broadcast_shreds(
+            sock,
+            &shreds,
+            &peers_and_stakes,
+            &peers,
+            &Arc::new(AtomicU64::new(0)),
+            &mut send_mmsg_total,
+        )?;
+
         Ok(())
     }
     fn record(
-        &self,
-        receiver: &Arc<Mutex<Receiver<Arc<Vec<Shred>>>>>,
+        &mut self,
+        receiver: &Arc<Mutex<RecordReceiver>>,
         blockstore: &Arc<Blockstore>,
     ) -> Result<()> {
-        let all_shreds = receiver.lock().unwrap().recv()?;
+        let (all_shreds, _) = receiver.lock().unwrap().recv()?;
         blockstore
             .insert_shreds(all_shreds.to_vec(), None, true)
             .expect("Failed to insert shreds in blockstore");

core/src/broadcast_stage/standard_broadcast_run.rs

@@ -1,5 +1,7 @@
-use super::broadcast_utils::{self, ReceiveResults};
-use super::*;
+use super::{
+    broadcast_utils::{self, ReceiveResults},
+    *,
+};
 use crate::broadcast_stage::broadcast_utils::UnfinishedSlotInfo;
 use solana_ledger::{
     entry::Entry,
@@ -9,45 +11,33 @@ use solana_sdk::{pubkey::Pubkey, signature::Keypair, timing::duration_as_us};
 use std::collections::HashMap;
 use std::time::Duration;
 
-#[derive(Default)]
-struct BroadcastStats {
-    // Per-slot elapsed time
-    shredding_elapsed: u64,
-    insert_shreds_elapsed: u64,
-    broadcast_elapsed: u64,
-    receive_elapsed: u64,
-    seed_elapsed: u64,
-}
-
-impl BroadcastStats {
-    fn reset(&mut self) {
-        self.insert_shreds_elapsed = 0;
-        self.shredding_elapsed = 0;
-        self.broadcast_elapsed = 0;
-        self.receive_elapsed = 0;
-        self.seed_elapsed = 0;
-    }
-}
-
 #[derive(Clone)]
-pub(super) struct StandardBroadcastRun {
-    stats: Arc<RwLock<BroadcastStats>>,
+pub struct StandardBroadcastRun {
+    process_shreds_stats: ProcessShredsStats,
+    transmit_shreds_stats: Arc<Mutex<SlotBroadcastStats<TransmitShredsStats>>>,
+    insert_shreds_stats: Arc<Mutex<SlotBroadcastStats<InsertShredsStats>>>,
     unfinished_slot: Option<UnfinishedSlotInfo>,
     current_slot_and_parent: Option<(u64, u64)>,
     slot_broadcast_start: Option<Instant>,
     keypair: Arc<Keypair>,
     shred_version: u16,
+    last_datapoint_submit: Arc<AtomicU64>,
+    num_batches: usize,
 }
 
 impl StandardBroadcastRun {
     pub(super) fn new(keypair: Arc<Keypair>, shred_version: u16) -> Self {
         Self {
-            stats: Arc::new(RwLock::new(BroadcastStats::default())),
+            process_shreds_stats: ProcessShredsStats::default(),
+            transmit_shreds_stats: Arc::new(Mutex::new(SlotBroadcastStats::default())),
+            insert_shreds_stats: Arc::new(Mutex::new(SlotBroadcastStats::default())),
             unfinished_slot: None,
             current_slot_and_parent: None,
             slot_broadcast_start: None,
             keypair,
             shred_version,
+            last_datapoint_submit: Arc::new(AtomicU64::new(0)),
+            num_batches: 0,
         }
     }
 
@@ -130,7 +120,7 @@ impl StandardBroadcastRun {
     #[cfg(test)]
     fn test_process_receive_results(
         &mut self,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         sock: &UdpSocket,
         blockstore: &Arc<Blockstore>,
         receive_results: ReceiveResults,
@@ -142,6 +132,7 @@ impl StandardBroadcastRun {
         let brecv = Arc::new(Mutex::new(brecv));
         //data
         let _ = self.transmit(&srecv, cluster_info, sock);
+        let _ = self.record(&brecv, blockstore);
         //coding
         let _ = self.transmit(&srecv, cluster_info, sock);
         let _ = self.record(&brecv, blockstore);
@@ -151,8 +142,8 @@ impl StandardBroadcastRun {
     fn process_receive_results(
         &mut self,
         blockstore: &Arc<Blockstore>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
         receive_results: ReceiveResults,
     ) -> Result<()> {
         let mut receive_elapsed = receive_results.time_elapsed;
@@ -160,11 +151,13 @@ impl StandardBroadcastRun {
         let bank = receive_results.bank.clone();
         let last_tick_height = receive_results.last_tick_height;
         inc_new_counter_info!("broadcast_service-entries_received", num_entries);
-
+        let old_broadcast_start = self.slot_broadcast_start;
+        let old_num_batches = self.num_batches;
         if self.current_slot_and_parent.is_none()
             || bank.slot() != self.current_slot_and_parent.unwrap().0
         {
             self.slot_broadcast_start = Some(Instant::now());
+            self.num_batches = 0;
             let slot = bank.slot();
             let parent_slot = bank.parent_slot();
 
@@ -179,19 +172,19 @@ impl StandardBroadcastRun {
             self.check_for_interrupted_slot(bank.ticks_per_slot() as u8);
 
         // 2) Convert entries to shreds and coding shreds
-
         let (shredder, next_shred_index) = self.init_shredder(
             blockstore,
             (bank.tick_height() % bank.ticks_per_slot()) as u8,
         );
-        let mut data_shreds = self.entries_to_data_shreds(
+        let is_last_in_slot = last_tick_height == bank.max_tick_height();
+        let data_shreds = self.entries_to_data_shreds(
             &shredder,
             next_shred_index,
             &receive_results.entries,
-            last_tick_height == bank.max_tick_height(),
+            is_last_in_slot,
         );
-        //Insert the first shred so blockstore stores that the leader started this block
-        //This must be done before the blocks are sent out over the wire.
+        // Insert the first shred so blockstore stores that the leader started this block
+        // This must be done before the blocks are sent out over the wire.
         if !data_shreds.is_empty() && data_shreds[0].index() == 0 {
             let first = vec![data_shreds[0].clone()];
             blockstore
@@ -199,27 +192,56 @@ impl StandardBroadcastRun {
                 .expect("Failed to insert shreds in blockstore");
         }
         let last_data_shred = data_shreds.len();
-        if let Some(last_shred) = last_unfinished_slot_shred {
-            data_shreds.push(last_shred);
-        }
         let to_shreds_elapsed = to_shreds_start.elapsed();
 
         let bank_epoch = bank.get_leader_schedule_epoch(bank.slot());
         let stakes = staking_utils::staked_nodes_at_epoch(&bank, bank_epoch);
         let stakes = stakes.map(Arc::new);
-        let data_shreds = Arc::new(data_shreds);
-        socket_sender.send((stakes.clone(), data_shreds.clone()))?;
-        blockstore_sender.send(data_shreds.clone())?;
-        let coding_shreds = shredder.data_shreds_to_coding_shreds(&data_shreds[0..last_data_shred]);
-        let coding_shreds = Arc::new(coding_shreds);
-        socket_sender.send((stakes, coding_shreds.clone()))?;
-        blockstore_sender.send(coding_shreds)?;
-        self.update_broadcast_stats(BroadcastStats {
-            shredding_elapsed: duration_as_us(&to_shreds_elapsed),
-            receive_elapsed: duration_as_us(&receive_elapsed),
-            ..BroadcastStats::default()
+
+        // Broadcast the last shred of the interrupted slot if necessary
+        if let Some(last_shred) = last_unfinished_slot_shred {
+            let batch_info = Some(BroadcastShredBatchInfo {
+                slot: last_shred.slot(),
+                num_expected_batches: Some(old_num_batches + 1),
+                slot_start_ts: old_broadcast_start.expect(
+                    "Old broadcast start time for previous slot must exist if the previous slot
+                 was interrupted",
+                ),
+            });
+            let last_shred = Arc::new(vec![last_shred]);
+            socket_sender.send(((stakes.clone(), last_shred.clone()), batch_info.clone()))?;
+            blockstore_sender.send((last_shred, batch_info))?;
+        }
+
+        // Increment by two batches, one for the data batch, one for the coding batch.
+        self.num_batches += 2;
+        let num_expected_batches = {
+            if is_last_in_slot {
+                Some(self.num_batches)
+            } else {
+                None
+            }
+        };
+        let batch_info = Some(BroadcastShredBatchInfo {
+            slot: bank.slot(),
+            num_expected_batches,
+            slot_start_ts: self
+                .slot_broadcast_start
+                .clone()
+                .expect("Start timestamp must exist for a slot if we're broadcasting the slot"),
         });
 
+        let data_shreds = Arc::new(data_shreds);
+        socket_sender.send(((stakes.clone(), data_shreds.clone()), batch_info.clone()))?;
+        blockstore_sender.send((data_shreds.clone(), batch_info.clone()))?;
+        let coding_shreds = shredder.data_shreds_to_coding_shreds(&data_shreds[0..last_data_shred]);
+        let coding_shreds = Arc::new(coding_shreds);
+        socket_sender.send(((stakes, coding_shreds.clone()), batch_info.clone()))?;
+        blockstore_sender.send((coding_shreds, batch_info))?;
+        self.process_shreds_stats.update(&ProcessShredsStats {
+            shredding_elapsed: duration_as_us(&to_shreds_elapsed),
+            receive_elapsed: duration_as_us(&receive_elapsed),
+        });
         if last_tick_height == bank.max_tick_height() {
             self.report_and_reset_stats();
             self.unfinished_slot = None;
@@ -228,10 +250,15 @@ impl StandardBroadcastRun {
         Ok(())
     }
 
-    fn insert(&self, blockstore: &Arc<Blockstore>, shreds: Arc<Vec<Shred>>) -> Result<()> {
+    fn insert(
+        &mut self,
+        blockstore: &Arc<Blockstore>,
+        shreds: Arc<Vec<Shred>>,
+        broadcast_shred_batch_info: Option<BroadcastShredBatchInfo>,
+    ) -> Result<()> {
         // Insert shreds into blockstore
         let insert_shreds_start = Instant::now();
-        //The first shred is inserted synchronously
+        // The first shred is inserted synchronously
         let data_shreds = if !shreds.is_empty() && shreds[0].index() == 0 {
             shreds[1..].to_vec()
         } else {
@@ -241,66 +268,80 @@ impl StandardBroadcastRun {
             .insert_shreds(data_shreds, None, true)
             .expect("Failed to insert shreds in blockstore");
         let insert_shreds_elapsed = insert_shreds_start.elapsed();
-        self.update_broadcast_stats(BroadcastStats {
+        let new_insert_shreds_stats = InsertShredsStats {
             insert_shreds_elapsed: duration_as_us(&insert_shreds_elapsed),
-            ..BroadcastStats::default()
-        });
+            num_shreds: shreds.len(),
+        };
+        self.update_insertion_metrics(&new_insert_shreds_stats, &broadcast_shred_batch_info);
         Ok(())
     }
 
+    fn update_insertion_metrics(
+        &mut self,
+        new_insertion_shreds_stats: &InsertShredsStats,
+        broadcast_shred_batch_info: &Option<BroadcastShredBatchInfo>,
+    ) {
+        let mut insert_shreds_stats = self.insert_shreds_stats.lock().unwrap();
+        insert_shreds_stats.update(new_insertion_shreds_stats, broadcast_shred_batch_info);
+    }
+
     fn broadcast(
-        &self,
+        &mut self,
         sock: &UdpSocket,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         stakes: Option<Arc<HashMap<Pubkey, u64>>>,
         shreds: Arc<Vec<Shred>>,
+        broadcast_shred_batch_info: Option<BroadcastShredBatchInfo>,
     ) -> Result<()> {
-        let seed_start = Instant::now();
-        let seeds: Vec<[u8; 32]> = shreds.iter().map(|s| s.seed()).collect();
-        let seed_elapsed = seed_start.elapsed();
+        trace!("Broadcasting {:?} shreds", shreds.len());
+        // Get the list of peers to broadcast to
+        let get_peers_start = Instant::now();
+        let (peers, peers_and_stakes) = get_broadcast_peers(cluster_info, stakes);
+        let get_peers_elapsed = get_peers_start.elapsed();
 
         // Broadcast the shreds
-        let broadcast_start = Instant::now();
-        let shred_bufs: Vec<Vec<u8>> = shreds.to_vec().into_iter().map(|s| s.payload).collect();
-        trace!("Broadcasting {:?} shreds", shred_bufs.len());
+        let transmit_start = Instant::now();
+        let mut send_mmsg_total = 0;
+        broadcast_shreds(
+            sock,
+            &shreds,
+            &peers_and_stakes,
+            &peers,
+            &self.last_datapoint_submit,
+            &mut send_mmsg_total,
+        )?;
+        let transmit_elapsed = transmit_start.elapsed();
+        let new_transmit_shreds_stats = TransmitShredsStats {
+            transmit_elapsed: duration_as_us(&transmit_elapsed),
+            get_peers_elapsed: duration_as_us(&get_peers_elapsed),
+            send_mmsg_elapsed: send_mmsg_total,
+            num_shreds: shreds.len(),
+        };
 
-        cluster_info
-            .write()
-            .unwrap()
-            .broadcast_shreds(sock, shred_bufs, &seeds, stakes)?;
-
-        let broadcast_elapsed = broadcast_start.elapsed();
-
-        self.update_broadcast_stats(BroadcastStats {
-            broadcast_elapsed: duration_as_us(&broadcast_elapsed),
-            seed_elapsed: duration_as_us(&seed_elapsed),
-            ..BroadcastStats::default()
-        });
+        // Process metrics
+        self.update_transmit_metrics(&new_transmit_shreds_stats, &broadcast_shred_batch_info);
         Ok(())
     }
 
-    fn update_broadcast_stats(&self, stats: BroadcastStats) {
-        let mut wstats = self.stats.write().unwrap();
-        wstats.receive_elapsed += stats.receive_elapsed;
-        wstats.shredding_elapsed += stats.shredding_elapsed;
-        wstats.insert_shreds_elapsed += stats.insert_shreds_elapsed;
-        wstats.broadcast_elapsed += stats.broadcast_elapsed;
-        wstats.seed_elapsed += stats.seed_elapsed;
+    fn update_transmit_metrics(
+        &mut self,
+        new_transmit_shreds_stats: &TransmitShredsStats,
+        broadcast_shred_batch_info: &Option<BroadcastShredBatchInfo>,
+    ) {
+        let mut transmit_shreds_stats = self.transmit_shreds_stats.lock().unwrap();
+        transmit_shreds_stats.update(new_transmit_shreds_stats, broadcast_shred_batch_info);
     }
 
     fn report_and_reset_stats(&mut self) {
-        let stats = self.stats.read().unwrap();
+        let stats = &self.process_shreds_stats;
         assert!(self.unfinished_slot.is_some());
         datapoint_info!(
-            "broadcast-bank-stats",
+            "broadcast-process-shreds-stats",
             ("slot", self.unfinished_slot.unwrap().slot as i64, i64),
             ("shredding_time", stats.shredding_elapsed as i64, i64),
-            ("insertion_time", stats.insert_shreds_elapsed as i64, i64),
-            ("broadcast_time", stats.broadcast_elapsed as i64, i64),
             ("receive_time", stats.receive_elapsed as i64, i64),
-            ("seed", stats.seed_elapsed as i64, i64),
             (
-                "num_shreds",
+                "num_data_shreds",
                 i64::from(self.unfinished_slot.unwrap().next_shred_index),
                 i64
             ),
@@ -310,8 +351,7 @@ impl StandardBroadcastRun {
                 i64
             ),
         );
-        drop(stats);
-        self.stats.write().unwrap().reset();
+        self.process_shreds_stats.reset();
     }
 }
 
@@ -320,8 +360,8 @@ impl BroadcastRun for StandardBroadcastRun {
         &mut self,
         blockstore: &Arc<Blockstore>,
         receiver: &Receiver<WorkingBankEntry>,
-        socket_sender: &Sender<TransmitShreds>,
-        blockstore_sender: &Sender<Arc<Vec<Shred>>>,
+        socket_sender: &Sender<(TransmitShreds, Option<BroadcastShredBatchInfo>)>,
+        blockstore_sender: &Sender<(Arc<Vec<Shred>>, Option<BroadcastShredBatchInfo>)>,
     ) -> Result<()> {
         let receive_results = broadcast_utils::recv_slot_entries(receiver)?;
         self.process_receive_results(
@@ -332,21 +372,21 @@ impl BroadcastRun for StandardBroadcastRun {
         )
     }
     fn transmit(
-        &self,
-        receiver: &Arc<Mutex<Receiver<TransmitShreds>>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        &mut self,
+        receiver: &Arc<Mutex<TransmitReceiver>>,
+        cluster_info: &ClusterInfo,
         sock: &UdpSocket,
     ) -> Result<()> {
-        let (stakes, shreds) = receiver.lock().unwrap().recv()?;
-        self.broadcast(sock, cluster_info, stakes, shreds)
+        let ((stakes, shreds), slot_start_ts) = receiver.lock().unwrap().recv()?;
+        self.broadcast(sock, cluster_info, stakes, shreds, slot_start_ts)
     }
     fn record(
-        &self,
-        receiver: &Arc<Mutex<Receiver<Arc<Vec<Shred>>>>>,
+        &mut self,
+        receiver: &Arc<Mutex<RecordReceiver>>,
         blockstore: &Arc<Blockstore>,
     ) -> Result<()> {
-        let shreds = receiver.lock().unwrap().recv()?;
-        self.insert(blockstore, shreds)
+        let (shreds, slot_start_ts) = receiver.lock().unwrap().recv()?;
+        self.insert(blockstore, shreds, slot_start_ts)
     }
 }
 
@@ -364,7 +404,7 @@ mod test {
         genesis_config::GenesisConfig,
         signature::{Keypair, Signer},
     };
-    use std::sync::{Arc, RwLock};
+    use std::sync::Arc;
     use std::time::Duration;
 
     fn setup(
@@ -372,7 +412,7 @@ mod test {
     ) -> (
         Arc<Blockstore>,
         GenesisConfig,
-        Arc<RwLock<ClusterInfo>>,
+        Arc<ClusterInfo>,
         Arc<Bank>,
         Arc<Keypair>,
         UdpSocket,
@@ -385,9 +425,9 @@ mod test {
         let leader_keypair = Arc::new(Keypair::new());
         let leader_pubkey = leader_keypair.pubkey();
         let leader_info = Node::new_localhost_with_pubkey(&leader_pubkey);
-        let cluster_info = Arc::new(RwLock::new(ClusterInfo::new_with_invalid_keypair(
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(
             leader_info.info.clone(),
-        )));
+        ));
         let socket = UdpSocket::bind("0.0.0.0:0").unwrap();
         let mut genesis_config = create_genesis_config(10_000).genesis_config;
         genesis_config.ticks_per_slot = max_ticks_per_n_shreds(num_shreds_per_slot) + 1;
@@ -462,25 +502,40 @@ mod test {
         // Make sure the slot is not complete
         assert!(!blockstore.is_full(0));
         // Modify the stats, should reset later
-        standard_broadcast_run
-            .stats
-            .write()
-            .unwrap()
-            .receive_elapsed = 10;
-
-        // Try to fetch ticks from blockstore, nothing should break
-        assert_eq!(blockstore.get_slot_entries(0, 0, None).unwrap(), ticks0);
+        standard_broadcast_run.process_shreds_stats.receive_elapsed = 10;
+        // Broadcast stats should exist, and 2 batches should have been sent,
+        // one for data, one for coding
         assert_eq!(
-            blockstore
-                .get_slot_entries(0, num_shreds_per_slot, None)
-                .unwrap(),
+            standard_broadcast_run
+                .transmit_shreds_stats
+                .lock()
+                .unwrap()
+                .get(unfinished_slot.slot)
+                .unwrap()
+                .num_batches(),
+            2
+        );
+        assert_eq!(
+            standard_broadcast_run
+                .insert_shreds_stats
+                .lock()
+                .unwrap()
+                .get(unfinished_slot.slot)
+                .unwrap()
+                .num_batches(),
+            2
+        );
+        // Try to fetch ticks from blockstore, nothing should break
+        assert_eq!(blockstore.get_slot_entries(0, 0).unwrap(), ticks0);
+        assert_eq!(
+            blockstore.get_slot_entries(0, num_shreds_per_slot).unwrap(),
             vec![],
         );
 
         // Step 2: Make a transmission for another bank that interrupts the transmission for
         // slot 0
         let bank2 = Arc::new(Bank::new_from_parent(&bank0, &leader_keypair.pubkey(), 2));
-
+        let interrupted_slot = unfinished_slot.slot;
         // Interrupting the slot should cause the unfinished_slot and stats to reset
         let num_shreds = 1;
         assert!(num_shreds < num_shreds_per_slot);
@@ -504,16 +559,28 @@ mod test {
 
         // Check that the stats were reset as well
         assert_eq!(
-            standard_broadcast_run.stats.read().unwrap().receive_elapsed,
+            standard_broadcast_run.process_shreds_stats.receive_elapsed,
             0
         );
 
+        // Broadcast stats for interrupted slot should be cleared
+        assert!(standard_broadcast_run
+            .transmit_shreds_stats
+            .lock()
+            .unwrap()
+            .get(interrupted_slot)
+            .is_none());
+        assert!(standard_broadcast_run
+            .insert_shreds_stats
+            .lock()
+            .unwrap()
+            .get(interrupted_slot)
+            .is_none());
+
         // Try to fetch the incomplete ticks from blockstore, should succeed
-        assert_eq!(blockstore.get_slot_entries(0, 0, None).unwrap(), ticks0);
+        assert_eq!(blockstore.get_slot_entries(0, 0).unwrap(), ticks0);
         assert_eq!(
-            blockstore
-                .get_slot_entries(0, num_shreds_per_slot, None)
-                .unwrap(),
+            blockstore.get_slot_entries(0, num_shreds_per_slot).unwrap(),
             vec![],
         );
     }

core/src/cluster_info_vote_listener.rs

@@ -197,7 +197,7 @@ pub struct ClusterInfoVoteListener {
 impl ClusterInfoVoteListener {
     pub fn new(
         exit: &Arc<AtomicBool>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         sigverify_disabled: bool,
         sender: CrossbeamSender<Vec<Packets>>,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
@@ -262,7 +262,7 @@ impl ClusterInfoVoteListener {
 
     fn recv_loop(
         exit: Arc<AtomicBool>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         sigverify_disabled: bool,
         verified_vote_packets_sender: VerifiedVotePacketsSender,
         verified_vote_transactions_sender: VerifiedVoteTransactionsSender,
@@ -272,40 +272,12 @@ impl ClusterInfoVoteListener {
             if exit.load(Ordering::Relaxed) {
                 return Ok(());
             }
-            let (labels, votes, new_ts) = cluster_info.read().unwrap().get_votes(last_ts);
+            let (labels, votes, new_ts) = cluster_info.get_votes(last_ts);
             inc_new_counter_debug!("cluster_info_vote_listener-recv_count", votes.len());
 
             last_ts = new_ts;
-            let msgs = packet::to_packets(&votes);
-            if !msgs.is_empty() {
-                let r = if sigverify_disabled {
-                    sigverify::ed25519_verify_disabled(&msgs)
-                } else {
-                    sigverify::ed25519_verify_cpu(&msgs)
-                };
-
-                assert_eq!(
-                    r.iter()
-                        .map(|packets_results| packets_results.len())
-                        .sum::<usize>(),
-                    votes.len()
-                );
-
-                let (vote_txs, packets) = izip!(
-                    labels.into_iter(),
-                    votes.into_iter(),
-                    r.iter().flatten(),
-                    msgs
-                )
-                .filter_map(|(label, vote, verify_result, packet)| {
-                    if *verify_result != 0 {
-                        Some((vote, (label, packet)))
-                    } else {
-                        None
-                    }
-                })
-                .unzip();
-
+            if !votes.is_empty() {
+                let (vote_txs, packets) = Self::verify_votes(votes, labels, sigverify_disabled);
                 verified_vote_transactions_sender.send(vote_txs)?;
                 verified_vote_packets_sender.send(packets)?;
             }
@@ -314,6 +286,42 @@ impl ClusterInfoVoteListener {
         }
     }
 
+    fn verify_votes(
+        votes: Vec<Transaction>,
+        labels: Vec<CrdsValueLabel>,
+        sigverify_disabled: bool,
+    ) -> (Vec<Transaction>, Vec<(CrdsValueLabel, Packets)>) {
+        let msgs = packet::to_packets_chunked(&votes, 1);
+        let r = if sigverify_disabled {
+            sigverify::ed25519_verify_disabled(&msgs)
+        } else {
+            sigverify::ed25519_verify_cpu(&msgs)
+        };
+
+        assert_eq!(
+            r.iter()
+                .map(|packets_results| packets_results.len())
+                .sum::<usize>(),
+            votes.len()
+        );
+
+        let (vote_txs, packets) = izip!(
+            labels.into_iter(),
+            votes.into_iter(),
+            r.iter().flatten(),
+            msgs,
+        )
+        .filter_map(|(label, vote, verify_result, packet)| {
+            if *verify_result != 0 {
+                Some((vote, (label, packet)))
+            } else {
+                None
+            }
+        })
+        .unzip();
+        (vote_txs, packets)
+    }
+
     fn bank_send_loop(
         exit: Arc<AtomicBool>,
         verified_vote_packets_receiver: VerifiedVotePacketsReceiver,
@@ -525,6 +533,7 @@ mod tests {
         genesis_utils::{self, GenesisConfigInfo, ValidatorVoteKeypairs},
     };
     use solana_sdk::hash::Hash;
+    use solana_sdk::signature::Signature;
     use solana_sdk::signature::{Keypair, Signer};
     use solana_vote_program::vote_transaction;
 
@@ -971,4 +980,61 @@ mod tests {
             validator_voting_keypairs,
         )
     }
+
+    #[test]
+    fn test_verify_votes_empty() {
+        solana_logger::setup();
+        let votes = vec![];
+        let labels = vec![];
+        let (vote_txs, packets) = ClusterInfoVoteListener::verify_votes(votes, labels, false);
+        assert!(vote_txs.is_empty());
+        assert!(packets.is_empty());
+    }
+
+    fn verify_packets_len(packets: &Vec<(CrdsValueLabel, Packets)>, ref_value: usize) {
+        let num_packets: usize = packets.iter().map(|p| p.1.packets.len()).sum();
+        assert_eq!(num_packets, ref_value);
+    }
+
+    fn test_vote_tx() -> Transaction {
+        let node_keypair = Keypair::new();
+        let vote_keypair = Keypair::new();
+        let auth_voter_keypair = Keypair::new();
+        let vote_tx = vote_transaction::new_vote_transaction(
+            vec![0],
+            Hash::default(),
+            Hash::default(),
+            &node_keypair,
+            &vote_keypair,
+            &auth_voter_keypair,
+        );
+
+        vote_tx
+    }
+
+    #[test]
+    fn test_verify_votes_1_pass() {
+        let vote_tx = test_vote_tx();
+        let votes = vec![vote_tx.clone()];
+        let labels = vec![CrdsValueLabel::Vote(0, Pubkey::new_rand())];
+        let (vote_txs, packets) = ClusterInfoVoteListener::verify_votes(votes, labels, false);
+        assert_eq!(vote_txs.len(), 1);
+        verify_packets_len(&packets, 1);
+    }
+
+    #[test]
+    fn test_bad_vote() {
+        let vote_tx = test_vote_tx();
+        let mut bad_vote = vote_tx.clone();
+        bad_vote.signatures[0] = Signature::default();
+        let votes = vec![vote_tx.clone(), bad_vote, vote_tx];
+        let label = CrdsValueLabel::Vote(0, Pubkey::new_rand());
+        let labels: Vec<_> = (0..votes.len())
+            .into_iter()
+            .map(|_| label.clone())
+            .collect();
+        let (vote_txs, packets) = ClusterInfoVoteListener::verify_votes(votes, labels, false);
+        assert_eq!(vote_txs.len(), 2);
+        verify_packets_len(&packets, 2);
+    }
 }

core/src/cluster_slots.rs

@@ -27,15 +27,10 @@ impl ClusterSlots {
     pub fn lookup(&self, slot: Slot) -> Option<Arc<RwLock<SlotPubkeys>>> {
         self.cluster_slots.read().unwrap().get(&slot).cloned()
     }
-    pub fn update(
-        &self,
-        root: Slot,
-        cluster_info: &RwLock<ClusterInfo>,
-        bank_forks: &RwLock<BankForks>,
-    ) {
+    pub fn update(&self, root: Slot, cluster_info: &ClusterInfo, bank_forks: &RwLock<BankForks>) {
         self.update_peers(cluster_info, bank_forks);
         let since = *self.since.read().unwrap();
-        let epoch_slots = cluster_info.read().unwrap().get_epoch_slots_since(since);
+        let epoch_slots = cluster_info.get_epoch_slots_since(since);
         self.update_internal(root, epoch_slots);
     }
     fn update_internal(&self, root: Slot, epoch_slots: (Vec<EpochSlots>, Option<u64>)) {
@@ -95,7 +90,7 @@ impl ClusterSlots {
             .collect()
     }
 
-    fn update_peers(&self, cluster_info: &RwLock<ClusterInfo>, bank_forks: &RwLock<BankForks>) {
+    fn update_peers(&self, cluster_info: &ClusterInfo, bank_forks: &RwLock<BankForks>) {
         let root_bank = bank_forks.read().unwrap().root_bank().clone();
         let root_epoch = root_bank.epoch();
         let my_epoch = *self.epoch.read().unwrap();
@@ -111,7 +106,7 @@ impl ClusterSlots {
                 .clone();
 
             *self.validator_stakes.write().unwrap() = validator_stakes;
-            let id = cluster_info.read().unwrap().id();
+            let id = cluster_info.id();
             *self.self_id.write().unwrap() = id;
             *self.epoch.write().unwrap() = Some(root_epoch);
         }

core/src/commitment.rs

@@ -1,3 +1,7 @@
+use crate::consensus::VOTE_THRESHOLD_SIZE;
+use solana_ledger::blockstore::Blockstore;
+use solana_measure::measure::Measure;
+use solana_metrics::inc_new_counter_info;
 use solana_runtime::bank::Bank;
 use solana_sdk::clock::Slot;
 use solana_vote_program::{vote_state::VoteState, vote_state::MAX_LOCKOUT_HISTORY};
@@ -10,9 +14,11 @@ use std::{
     time::Duration,
 };
 
+pub type BlockCommitmentArray = [u64; MAX_LOCKOUT_HISTORY + 1];
+
 #[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
 pub struct BlockCommitment {
-    pub commitment: [u64; MAX_LOCKOUT_HISTORY],
+    pub commitment: BlockCommitmentArray,
 }
 
 impl BlockCommitment {
@@ -25,23 +31,71 @@ impl BlockCommitment {
         assert!(confirmation_count > 0 && confirmation_count <= MAX_LOCKOUT_HISTORY);
         self.commitment[confirmation_count - 1]
     }
+
+    pub fn increase_rooted_stake(&mut self, stake: u64) {
+        self.commitment[MAX_LOCKOUT_HISTORY] += stake;
+    }
+
+    pub fn get_rooted_stake(&self) -> u64 {
+        self.commitment[MAX_LOCKOUT_HISTORY]
+    }
+
     #[cfg(test)]
-    pub(crate) fn new(commitment: [u64; MAX_LOCKOUT_HISTORY]) -> Self {
+    pub(crate) fn new(commitment: BlockCommitmentArray) -> Self {
         Self { commitment }
     }
 }
 
-#[derive(Debug, Default)]
 pub struct BlockCommitmentCache {
     block_commitment: HashMap<Slot, BlockCommitment>,
+    largest_confirmed_root: Slot,
     total_stake: u64,
+    bank: Arc<Bank>,
+    blockstore: Arc<Blockstore>,
+    root: Slot,
+}
+
+impl std::fmt::Debug for BlockCommitmentCache {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("BlockCommitmentCache")
+            .field("block_commitment", &self.block_commitment)
+            .field("total_stake", &self.total_stake)
+            .field(
+                "bank",
+                &format_args!("Bank({{current_slot: {:?}}})", self.bank.slot()),
+            )
+            .field("root", &self.root)
+            .finish()
+    }
 }
 
 impl BlockCommitmentCache {
-    pub fn new(block_commitment: HashMap<Slot, BlockCommitment>, total_stake: u64) -> Self {
+    pub fn new(
+        block_commitment: HashMap<Slot, BlockCommitment>,
+        largest_confirmed_root: Slot,
+        total_stake: u64,
+        bank: Arc<Bank>,
+        blockstore: Arc<Blockstore>,
+        root: Slot,
+    ) -> Self {
         Self {
             block_commitment,
+            largest_confirmed_root,
             total_stake,
+            bank,
+            blockstore,
+            root,
+        }
+    }
+
+    pub fn default_with_blockstore(blockstore: Arc<Blockstore>) -> Self {
+        Self {
+            block_commitment: HashMap::default(),
+            largest_confirmed_root: Slot::default(),
+            total_stake: u64::default(),
+            bank: Arc::new(Bank::default()),
+            blockstore,
+            root: Slot::default(),
         }
     }
 
@@ -49,45 +103,99 @@ impl BlockCommitmentCache {
         self.block_commitment.get(&slot)
     }
 
+    pub fn largest_confirmed_root(&self) -> Slot {
+        self.largest_confirmed_root
+    }
+
     pub fn total_stake(&self) -> u64 {
         self.total_stake
     }
 
-    pub fn get_block_with_depth_commitment(
-        &self,
-        minimum_depth: usize,
-        minimum_stake_percentage: f64,
-    ) -> Option<Slot> {
-        self.block_commitment
-            .iter()
-            .filter(|&(_, block_commitment)| {
-                let fork_stake_minimum_depth: u64 = block_commitment.commitment[minimum_depth..]
-                    .iter()
-                    .cloned()
-                    .sum();
-                fork_stake_minimum_depth as f64 / self.total_stake as f64
-                    >= minimum_stake_percentage
-            })
-            .map(|(slot, _)| *slot)
-            .max()
+    pub fn bank(&self) -> Arc<Bank> {
+        self.bank.clone()
     }
 
-    pub fn get_rooted_block_with_commitment(&self, minimum_stake_percentage: f64) -> Option<u64> {
-        self.get_block_with_depth_commitment(MAX_LOCKOUT_HISTORY - 1, minimum_stake_percentage)
+    pub fn slot(&self) -> Slot {
+        self.bank.slot()
+    }
+
+    pub fn root(&self) -> Slot {
+        self.root
+    }
+
+    pub fn get_confirmation_count(&self, slot: Slot) -> Option<usize> {
+        self.get_lockout_count(slot, VOTE_THRESHOLD_SIZE)
+    }
+
+    // Returns the lowest level at which at least `minimum_stake_percentage` of the total epoch
+    // stake is locked out
+    fn get_lockout_count(&self, slot: Slot, minimum_stake_percentage: f64) -> Option<usize> {
+        self.get_block_commitment(slot).map(|block_commitment| {
+            let iterator = block_commitment.commitment.iter().enumerate().rev();
+            let mut sum = 0;
+            for (i, stake) in iterator {
+                sum += stake;
+                if (sum as f64 / self.total_stake as f64) > minimum_stake_percentage {
+                    return i + 1;
+                }
+            }
+            0
+        })
+    }
+
+    pub fn is_confirmed_rooted(&self, slot: Slot) -> bool {
+        slot <= self.largest_confirmed_root()
+            && (self.blockstore.is_root(slot) || self.bank.status_cache_ancestors().contains(&slot))
+    }
+
+    #[cfg(test)]
+    pub fn new_for_tests_with_blockstore(blockstore: Arc<Blockstore>) -> Self {
+        let mut block_commitment: HashMap<Slot, BlockCommitment> = HashMap::new();
+        block_commitment.insert(0, BlockCommitment::default());
+        Self {
+            block_commitment,
+            blockstore,
+            total_stake: 42,
+            largest_confirmed_root: Slot::default(),
+            bank: Arc::new(Bank::default()),
+            root: Slot::default(),
+        }
+    }
+
+    #[cfg(test)]
+    pub(crate) fn set_get_largest_confirmed_root(&mut self, root: Slot) {
+        self.largest_confirmed_root = root;
     }
 }
 
 pub struct CommitmentAggregationData {
     bank: Arc<Bank>,
+    root: Slot,
     total_staked: u64,
 }
 
 impl CommitmentAggregationData {
-    pub fn new(bank: Arc<Bank>, total_staked: u64) -> Self {
-        Self { bank, total_staked }
+    pub fn new(bank: Arc<Bank>, root: Slot, total_staked: u64) -> Self {
+        Self {
+            bank,
+            root,
+            total_staked,
+        }
     }
 }
 
+fn get_largest_confirmed_root(mut rooted_stake: Vec<(Slot, u64)>, total_stake: u64) -> Slot {
+    rooted_stake.sort_by(|a, b| a.0.cmp(&b.0).reverse());
+    let mut stake_sum = 0;
+    for (root, stake) in rooted_stake {
+        stake_sum += stake;
+        if (stake_sum as f64 / total_stake as f64) > VOTE_THRESHOLD_SIZE {
+            return root;
+        }
+    }
+    0
+}
+
 pub struct AggregateCommitmentService {
     t_commitment: JoinHandle<()>,
 }
@@ -144,18 +252,37 @@ impl AggregateCommitmentService {
                 continue;
             }
 
-            let block_commitment = Self::aggregate_commitment(&ancestors, &aggregation_data.bank);
+            let mut aggregate_commitment_time = Measure::start("aggregate-commitment-ms");
+            let (block_commitment, rooted_stake) =
+                Self::aggregate_commitment(&ancestors, &aggregation_data.bank);
 
-            let mut new_block_commitment =
-                BlockCommitmentCache::new(block_commitment, aggregation_data.total_staked);
+            let largest_confirmed_root =
+                get_largest_confirmed_root(rooted_stake, aggregation_data.total_staked);
+
+            let mut new_block_commitment = BlockCommitmentCache::new(
+                block_commitment,
+                largest_confirmed_root,
+                aggregation_data.total_staked,
+                aggregation_data.bank,
+                block_commitment_cache.read().unwrap().blockstore.clone(),
+                aggregation_data.root,
+            );
 
             let mut w_block_commitment_cache = block_commitment_cache.write().unwrap();
 
             std::mem::swap(&mut *w_block_commitment_cache, &mut new_block_commitment);
+            aggregate_commitment_time.stop();
+            inc_new_counter_info!(
+                "aggregate-commitment-ms",
+                aggregate_commitment_time.as_ms() as usize
+            );
         }
     }
 
-    pub fn aggregate_commitment(ancestors: &[Slot], bank: &Bank) -> HashMap<Slot, BlockCommitment> {
+    pub fn aggregate_commitment(
+        ancestors: &[Slot],
+        bank: &Bank,
+    ) -> (HashMap<Slot, BlockCommitment>, Vec<(Slot, u64)>) {
         assert!(!ancestors.is_empty());
 
         // Check ancestors is sorted
@@ -164,6 +291,7 @@ impl AggregateCommitmentService {
         }
 
         let mut commitment = HashMap::new();
+        let mut rooted_stake: Vec<(Slot, u64)> = Vec::new();
         for (_, (lamports, account)) in bank.vote_accounts().into_iter() {
             if lamports == 0 {
                 continue;
@@ -176,17 +304,19 @@ impl AggregateCommitmentService {
             let vote_state = vote_state.unwrap();
             Self::aggregate_commitment_for_vote_account(
                 &mut commitment,
+                &mut rooted_stake,
                 &vote_state,
                 ancestors,
                 lamports,
             );
         }
 
-        commitment
+        (commitment, rooted_stake)
     }
 
     fn aggregate_commitment_for_vote_account(
         commitment: &mut HashMap<Slot, BlockCommitment>,
+        rooted_stake: &mut Vec<(Slot, u64)>,
         vote_state: &VoteState,
         ancestors: &[Slot],
         lamports: u64,
@@ -199,12 +329,13 @@ impl AggregateCommitmentService {
                     commitment
                         .entry(*a)
                         .or_insert_with(BlockCommitment::default)
-                        .increase_confirmation_stake(MAX_LOCKOUT_HISTORY, lamports);
+                        .increase_rooted_stake(lamports);
                 } else {
                     ancestors_index = i;
                     break;
                 }
             }
+            rooted_stake.push((root, lamports));
         }
 
         for vote in &vote_state.votes {
@@ -230,7 +361,10 @@ impl AggregateCommitmentService {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use solana_ledger::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use solana_ledger::{
+        genesis_utils::{create_genesis_config, GenesisConfigInfo},
+        get_tmp_ledger_path,
+    };
     use solana_sdk::pubkey::Pubkey;
     use solana_stake_program::stake_state;
     use solana_vote_program::vote_state::{self, VoteStateVersions};
@@ -246,97 +380,98 @@ mod tests {
     }
 
     #[test]
-    fn test_get_block_with_depth_commitment() {
+    fn test_get_confirmations() {
+        let bank = Arc::new(Bank::default());
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         // Build BlockCommitmentCache with votes at depths 0 and 1 for 2 slots
         let mut cache0 = BlockCommitment::default();
-        cache0.increase_confirmation_stake(1, 15);
-        cache0.increase_confirmation_stake(2, 25);
+        cache0.increase_confirmation_stake(1, 5);
+        cache0.increase_confirmation_stake(2, 40);
 
         let mut cache1 = BlockCommitment::default();
-        cache1.increase_confirmation_stake(1, 10);
-        cache1.increase_confirmation_stake(2, 20);
+        cache1.increase_confirmation_stake(1, 40);
+        cache1.increase_confirmation_stake(2, 5);
+
+        let mut cache2 = BlockCommitment::default();
+        cache2.increase_confirmation_stake(1, 20);
+        cache2.increase_confirmation_stake(2, 5);
 
         let mut block_commitment = HashMap::new();
         block_commitment.entry(0).or_insert(cache0.clone());
         block_commitment.entry(1).or_insert(cache1.clone());
-        let block_commitment_cache = BlockCommitmentCache::new(block_commitment, 50);
+        block_commitment.entry(2).or_insert(cache2.clone());
+        let block_commitment_cache =
+            BlockCommitmentCache::new(block_commitment, 0, 50, bank, blockstore, 0);
 
-        // Neither slot has rooted votes
-        assert_eq!(
-            block_commitment_cache.get_rooted_block_with_commitment(0.1),
-            None
-        );
-        // Neither slot meets the minimum level of commitment 0.6 at depth 1
-        assert_eq!(
-            block_commitment_cache.get_block_with_depth_commitment(1, 0.6),
-            None
-        );
-        // Only slot 0 meets the minimum level of commitment 0.5 at depth 1
-        assert_eq!(
-            block_commitment_cache.get_block_with_depth_commitment(1, 0.5),
-            Some(0)
-        );
-        // If multiple slots meet the minimum level of commitment, method should return the most recent
-        assert_eq!(
-            block_commitment_cache.get_block_with_depth_commitment(1, 0.4),
-            Some(1)
-        );
-        // If multiple slots meet the minimum level of commitment, method should return the most recent
-        assert_eq!(
-            block_commitment_cache.get_block_with_depth_commitment(0, 0.6),
-            Some(1)
-        );
-        // Neither slot meets the minimum level of commitment 0.9 at depth 0
-        assert_eq!(
-            block_commitment_cache.get_block_with_depth_commitment(0, 0.9),
-            None
-        );
+        assert_eq!(block_commitment_cache.get_confirmation_count(0), Some(2));
+        assert_eq!(block_commitment_cache.get_confirmation_count(1), Some(1));
+        assert_eq!(block_commitment_cache.get_confirmation_count(2), Some(0),);
+        assert_eq!(block_commitment_cache.get_confirmation_count(3), None,);
     }
 
     #[test]
-    fn test_get_rooted_block_with_commitment() {
-        // Build BlockCommitmentCache with rooted votes
-        let mut cache0 = BlockCommitment::new([0; MAX_LOCKOUT_HISTORY]);
-        cache0.increase_confirmation_stake(MAX_LOCKOUT_HISTORY, 40);
-        cache0.increase_confirmation_stake(MAX_LOCKOUT_HISTORY - 1, 10);
-        let mut cache1 = BlockCommitment::new([0; MAX_LOCKOUT_HISTORY]);
-        cache1.increase_confirmation_stake(MAX_LOCKOUT_HISTORY, 30);
-        cache1.increase_confirmation_stake(MAX_LOCKOUT_HISTORY - 1, 10);
-        cache1.increase_confirmation_stake(MAX_LOCKOUT_HISTORY - 2, 10);
+    fn test_is_confirmed_rooted() {
+        let bank = Arc::new(Bank::default());
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        blockstore.set_roots(&[0, 1]).unwrap();
+        // Build BlockCommitmentCache with rooted slots
+        let mut cache0 = BlockCommitment::default();
+        cache0.increase_rooted_stake(50);
+        let mut cache1 = BlockCommitment::default();
+        cache1.increase_rooted_stake(40);
+        let mut cache2 = BlockCommitment::default();
+        cache2.increase_rooted_stake(20);
 
         let mut block_commitment = HashMap::new();
-        block_commitment.entry(0).or_insert(cache0.clone());
-        block_commitment.entry(1).or_insert(cache1.clone());
-        let block_commitment_cache = BlockCommitmentCache::new(block_commitment, 50);
+        block_commitment.entry(1).or_insert(cache0.clone());
+        block_commitment.entry(2).or_insert(cache1.clone());
+        block_commitment.entry(3).or_insert(cache2.clone());
+        let largest_confirmed_root = 1;
+        let block_commitment_cache = BlockCommitmentCache::new(
+            block_commitment,
+            largest_confirmed_root,
+            50,
+            bank,
+            blockstore,
+            0,
+        );
 
-        // Only slot 0 meets the minimum level of commitment 0.66 at root
-        assert_eq!(
-            block_commitment_cache.get_rooted_block_with_commitment(0.66),
-            Some(0)
-        );
-        // If multiple slots meet the minimum level of commitment, method should return the most recent
-        assert_eq!(
-            block_commitment_cache.get_rooted_block_with_commitment(0.6),
-            Some(1)
-        );
-        // Neither slot meets the minimum level of commitment 0.9 at root
-        assert_eq!(
-            block_commitment_cache.get_rooted_block_with_commitment(0.9),
-            None
-        );
+        assert!(block_commitment_cache.is_confirmed_rooted(0));
+        assert!(block_commitment_cache.is_confirmed_rooted(1));
+        assert!(!block_commitment_cache.is_confirmed_rooted(2));
+        assert!(!block_commitment_cache.is_confirmed_rooted(3));
+    }
+
+    #[test]
+    fn test_get_largest_confirmed_root() {
+        assert_eq!(get_largest_confirmed_root(vec![], 10), 0);
+        let mut rooted_stake = vec![];
+        rooted_stake.push((0, 5));
+        rooted_stake.push((1, 5));
+        assert_eq!(get_largest_confirmed_root(rooted_stake, 10), 0);
+        let mut rooted_stake = vec![];
+        rooted_stake.push((1, 5));
+        rooted_stake.push((0, 10));
+        rooted_stake.push((2, 5));
+        rooted_stake.push((1, 4));
+        assert_eq!(get_largest_confirmed_root(rooted_stake, 10), 1);
     }
 
     #[test]
     fn test_aggregate_commitment_for_vote_account_1() {
         let ancestors = vec![3, 4, 5, 7, 9, 11];
         let mut commitment = HashMap::new();
+        let mut rooted_stake = vec![];
         let lamports = 5;
         let mut vote_state = VoteState::default();
 
-        let root = ancestors.last().unwrap();
-        vote_state.root_slot = Some(*root);
+        let root = ancestors.last().unwrap().clone();
+        vote_state.root_slot = Some(root);
         AggregateCommitmentService::aggregate_commitment_for_vote_account(
             &mut commitment,
+            &mut rooted_stake,
             &vote_state,
             &ancestors,
             lamports,
@@ -344,15 +479,17 @@ mod tests {
 
         for a in ancestors {
             let mut expected = BlockCommitment::default();
-            expected.increase_confirmation_stake(MAX_LOCKOUT_HISTORY, lamports);
+            expected.increase_rooted_stake(lamports);
             assert_eq!(*commitment.get(&a).unwrap(), expected);
         }
+        assert_eq!(rooted_stake[0], (root, lamports));
     }
 
     #[test]
     fn test_aggregate_commitment_for_vote_account_2() {
         let ancestors = vec![3, 4, 5, 7, 9, 11];
         let mut commitment = HashMap::new();
+        let mut rooted_stake = vec![];
         let lamports = 5;
         let mut vote_state = VoteState::default();
 
@@ -361,6 +498,7 @@ mod tests {
         vote_state.process_slot_vote_unchecked(*ancestors.last().unwrap());
         AggregateCommitmentService::aggregate_commitment_for_vote_account(
             &mut commitment,
+            &mut rooted_stake,
             &vote_state,
             &ancestors,
             lamports,
@@ -369,7 +507,7 @@ mod tests {
         for a in ancestors {
             if a <= root {
                 let mut expected = BlockCommitment::default();
-                expected.increase_confirmation_stake(MAX_LOCKOUT_HISTORY, lamports);
+                expected.increase_rooted_stake(lamports);
                 assert_eq!(*commitment.get(&a).unwrap(), expected);
             } else {
                 let mut expected = BlockCommitment::default();
@@ -377,12 +515,14 @@ mod tests {
                 assert_eq!(*commitment.get(&a).unwrap(), expected);
             }
         }
+        assert_eq!(rooted_stake[0], (root, lamports));
     }
 
     #[test]
     fn test_aggregate_commitment_for_vote_account_3() {
         let ancestors = vec![3, 4, 5, 7, 9, 10, 11];
         let mut commitment = HashMap::new();
+        let mut rooted_stake = vec![];
         let lamports = 5;
         let mut vote_state = VoteState::default();
 
@@ -393,6 +533,7 @@ mod tests {
         vote_state.process_slot_vote_unchecked(ancestors[6]);
         AggregateCommitmentService::aggregate_commitment_for_vote_account(
             &mut commitment,
+            &mut rooted_stake,
             &vote_state,
             &ancestors,
             lamports,
@@ -401,7 +542,7 @@ mod tests {
         for (i, a) in ancestors.iter().enumerate() {
             if *a <= root {
                 let mut expected = BlockCommitment::default();
-                expected.increase_confirmation_stake(MAX_LOCKOUT_HISTORY, lamports);
+                expected.increase_rooted_stake(lamports);
                 assert_eq!(*commitment.get(&a).unwrap(), expected);
             } else if i <= 4 {
                 let mut expected = BlockCommitment::default();
@@ -413,6 +554,7 @@ mod tests {
                 assert_eq!(*commitment.get(&a).unwrap(), expected);
             }
         }
+        assert_eq!(rooted_stake[0], (root, lamports));
     }
 
     #[test]
@@ -422,6 +564,8 @@ mod tests {
             mut genesis_config, ..
         } = create_genesis_config(10_000);
 
+        let rooted_stake_amount = 40;
+
         let sk1 = Pubkey::new_rand();
         let pk1 = Pubkey::new_rand();
         let mut vote_account1 = vote_state::create_account(&pk1, &Pubkey::new_rand(), 0, 100);
@@ -432,12 +576,36 @@ mod tests {
         let mut vote_account2 = vote_state::create_account(&pk2, &Pubkey::new_rand(), 0, 50);
         let stake_account2 =
             stake_state::create_account(&sk2, &pk2, &vote_account2, &genesis_config.rent, 50);
+        let sk3 = Pubkey::new_rand();
+        let pk3 = Pubkey::new_rand();
+        let mut vote_account3 = vote_state::create_account(&pk3, &Pubkey::new_rand(), 0, 1);
+        let stake_account3 = stake_state::create_account(
+            &sk3,
+            &pk3,
+            &vote_account3,
+            &genesis_config.rent,
+            rooted_stake_amount,
+        );
+        let sk4 = Pubkey::new_rand();
+        let pk4 = Pubkey::new_rand();
+        let mut vote_account4 = vote_state::create_account(&pk4, &Pubkey::new_rand(), 0, 1);
+        let stake_account4 = stake_state::create_account(
+            &sk4,
+            &pk4,
+            &vote_account4,
+            &genesis_config.rent,
+            rooted_stake_amount,
+        );
 
         genesis_config.accounts.extend(vec![
             (pk1, vote_account1.clone()),
             (sk1, stake_account1),
             (pk2, vote_account2.clone()),
             (sk2, stake_account2),
+            (pk3, vote_account3.clone()),
+            (sk3, stake_account3),
+            (pk4, vote_account4.clone()),
+            (sk4, stake_account4),
         ]);
 
         // Create bank
@@ -457,7 +625,20 @@ mod tests {
         VoteState::to(&versioned, &mut vote_account2).unwrap();
         bank.store_account(&pk2, &vote_account2);
 
-        let commitment = AggregateCommitmentService::aggregate_commitment(&ancestors, &bank);
+        let mut vote_state3 = VoteState::from(&vote_account3).unwrap();
+        vote_state3.root_slot = Some(1);
+        let versioned = VoteStateVersions::Current(Box::new(vote_state3));
+        VoteState::to(&versioned, &mut vote_account3).unwrap();
+        bank.store_account(&pk3, &vote_account3);
+
+        let mut vote_state4 = VoteState::from(&vote_account4).unwrap();
+        vote_state4.root_slot = Some(2);
+        let versioned = VoteStateVersions::Current(Box::new(vote_state4));
+        VoteState::to(&versioned, &mut vote_account4).unwrap();
+        bank.store_account(&pk4, &vote_account4);
+
+        let (commitment, rooted_stake) =
+            AggregateCommitmentService::aggregate_commitment(&ancestors, &bank);
 
         for a in ancestors {
             if a <= 3 {
@@ -481,5 +662,7 @@ mod tests {
                 assert!(commitment.get(&a).is_none());
             }
         }
+        assert_eq!(rooted_stake.len(), 2);
+        assert_eq!(get_largest_confirmed_root(rooted_stake, 100), 1)
     }
 }

core/src/consensus.rs

@@ -321,7 +321,7 @@ impl Tower {
     }
     pub fn check_vote_stake_threshold(
         &self,
-        slot: u64,
+        slot: Slot,
         stake_lockouts: &HashMap<u64, StakeLockout>,
         total_staked: u64,
     ) -> bool {
@@ -332,11 +332,8 @@ impl Tower {
             if let Some(fork_stake) = stake_lockouts.get(&vote.slot) {
                 let lockout = fork_stake.stake as f64 / total_staked as f64;
                 trace!(
-                    "fork_stake slot: {} lockout: {} fork_stake: {} total_stake: {}",
-                    slot,
-                    lockout,
-                    fork_stake.stake,
-                    total_staked
+                    "fork_stake slot: {}, vote slot: {}, lockout: {} fork_stake: {} total_stake: {}",
+                    slot, vote.slot, lockout, fork_stake.stake, total_staked
                 );
                 if vote.confirmation_count as usize > self.threshold_depth {
                     for old_vote in &self.lockouts.votes {
@@ -358,11 +355,12 @@ impl Tower {
 
     pub(crate) fn check_switch_threshold(
         &self,
-        _slot: u64,
+        _slot: Slot,
         _ancestors: &HashMap<Slot, HashSet<u64>>,
         _descendants: &HashMap<Slot, HashSet<u64>>,
         _progress: &ProgressMap,
-        _total_stake: u64,
+        _total_epoch_stake: u64,
+        _epoch_vote_accounts: &HashMap<Pubkey, (u64, Account)>,
     ) -> bool {
         true
     }
@@ -482,6 +480,7 @@ pub mod test {
     use super::*;
     use crate::{
         cluster_info_vote_listener::VoteTracker,
+        cluster_slots::ClusterSlots,
         progress_map::ForkProgress,
         replay_stage::{HeaviestForkFailures, ReplayStage},
     };
@@ -497,107 +496,96 @@ pub mod test {
         hash::Hash,
         pubkey::Pubkey,
         signature::{Keypair, Signer},
-        transaction::Transaction,
     };
     use solana_vote_program::{
-        vote_instruction,
         vote_state::{Vote, VoteStateVersions},
+        vote_transaction,
     };
-    use std::collections::{HashMap, VecDeque};
+    use std::collections::HashMap;
     use std::sync::RwLock;
     use std::{thread::sleep, time::Duration};
-    use trees::{tr, Node, Tree};
+    use trees::{tr, Tree, TreeWalk};
 
-    pub(crate) struct VoteSimulator<'a> {
-        searchable_nodes: HashMap<u64, &'a Node<u64>>,
+    pub(crate) struct VoteSimulator {
+        pub validator_keypairs: HashMap<Pubkey, ValidatorVoteKeypairs>,
+        pub node_pubkeys: Vec<Pubkey>,
+        pub vote_pubkeys: Vec<Pubkey>,
+        pub bank_forks: RwLock<BankForks>,
+        pub progress: ProgressMap,
     }
 
-    impl<'a> VoteSimulator<'a> {
-        pub(crate) fn new(forks: &'a Tree<u64>) -> Self {
-            let mut searchable_nodes = HashMap::new();
-            let root = forks.root();
-            searchable_nodes.insert(root.data, root);
-            Self { searchable_nodes }
+    impl VoteSimulator {
+        pub(crate) fn new(num_keypairs: usize) -> Self {
+            let (validator_keypairs, node_pubkeys, vote_pubkeys, bank_forks, progress) =
+                Self::init_state(num_keypairs);
+            Self {
+                validator_keypairs,
+                node_pubkeys,
+                vote_pubkeys,
+                bank_forks: RwLock::new(bank_forks),
+                progress,
+            }
+        }
+        pub(crate) fn fill_bank_forks(
+            &mut self,
+            forks: Tree<u64>,
+            cluster_votes: &HashMap<Pubkey, Vec<u64>>,
+        ) {
+            let root = forks.root().data;
+            assert!(self.bank_forks.read().unwrap().get(root).is_some());
+
+            let mut walk = TreeWalk::from(forks);
+            loop {
+                if let Some(visit) = walk.get() {
+                    let slot = visit.node().data;
+                    self.progress
+                        .entry(slot)
+                        .or_insert_with(|| ForkProgress::new(Hash::default(), None, None, 0, 0));
+                    if self.bank_forks.read().unwrap().get(slot).is_some() {
+                        walk.forward();
+                        continue;
+                    }
+                    let parent = walk.get_parent().unwrap().data;
+                    let parent_bank = self.bank_forks.read().unwrap().get(parent).unwrap().clone();
+                    let new_bank = Bank::new_from_parent(&parent_bank, &Pubkey::default(), slot);
+                    for (pubkey, vote) in cluster_votes.iter() {
+                        if vote.contains(&parent) {
+                            let keypairs = self.validator_keypairs.get(pubkey).unwrap();
+                            let last_blockhash = parent_bank.last_blockhash();
+                            let vote_tx = vote_transaction::new_vote_transaction(
+                                // Must vote > root to be processed
+                                vec![parent],
+                                parent_bank.hash(),
+                                last_blockhash,
+                                &keypairs.node_keypair,
+                                &keypairs.vote_keypair,
+                                &keypairs.vote_keypair,
+                            );
+                            info!("voting {} {}", parent_bank.slot(), parent_bank.hash());
+                            new_bank.process_transaction(&vote_tx).unwrap();
+                        }
+                    }
+                    new_bank.freeze();
+                    self.bank_forks.write().unwrap().insert(new_bank);
+                    walk.forward();
+                } else {
+                    break;
+                }
+            }
         }
 
         pub(crate) fn simulate_vote(
             &mut self,
             vote_slot: Slot,
-            bank_forks: &RwLock<BankForks>,
-            cluster_votes: &mut HashMap<Pubkey, Vec<u64>>,
-            validator_keypairs: &HashMap<Pubkey, ValidatorVoteKeypairs>,
-            my_keypairs: &ValidatorVoteKeypairs,
-            progress: &mut ProgressMap,
+            my_pubkey: &Pubkey,
             tower: &mut Tower,
         ) -> Vec<HeaviestForkFailures> {
-            let node = self
-                .find_node_and_update_simulation(vote_slot)
-                .expect("Vote to simulate must be for a slot in the tree");
-
-            let mut missing_nodes = VecDeque::new();
-            let mut current = node;
-            loop {
-                let current_slot = current.data;
-                if bank_forks.read().unwrap().get(current_slot).is_some()
-                    || tower.root().map(|r| current_slot < r).unwrap_or(false)
-                {
-                    break;
-                } else {
-                    missing_nodes.push_front(current);
-                }
-
-                if let Some(parent) = current.parent() {
-                    current = parent;
-                } else {
-                    break;
-                }
-            }
-
-            // Create any missing banks along the path
-            for missing_node in missing_nodes {
-                let missing_slot = missing_node.data;
-                let parent = missing_node.parent().unwrap().data;
-                let parent_bank = bank_forks
-                    .read()
-                    .unwrap()
-                    .get(parent)
-                    .expect("parent bank must exist")
-                    .clone();
-                info!("parent of {} is {}", missing_slot, parent_bank.slot(),);
-                progress
-                    .entry(missing_slot)
-                    .or_insert_with(|| ForkProgress::new(parent_bank.last_blockhash(), None, None));
-
-                // Create the missing bank
-                let new_bank =
-                    Bank::new_from_parent(&parent_bank, &Pubkey::default(), missing_slot);
-
-                // Simulate ingesting the cluster's votes for the parent into this bank
-                for (pubkey, vote) in cluster_votes.iter() {
-                    if vote.contains(&parent_bank.slot()) {
-                        let keypairs = validator_keypairs.get(pubkey).unwrap();
-                        let node_pubkey = keypairs.node_keypair.pubkey();
-                        let vote_pubkey = keypairs.vote_keypair.pubkey();
-                        let last_blockhash = parent_bank.last_blockhash();
-                        let votes = Vote::new(vec![parent_bank.slot()], parent_bank.hash());
-                        info!("voting {} {}", parent_bank.slot(), parent_bank.hash());
-                        let vote_ix = vote_instruction::vote(&vote_pubkey, &vote_pubkey, votes);
-                        let mut vote_tx =
-                            Transaction::new_with_payer(vec![vote_ix], Some(&node_pubkey));
-                        vote_tx.partial_sign(&[&keypairs.node_keypair], last_blockhash);
-                        vote_tx.partial_sign(&[&keypairs.vote_keypair], last_blockhash);
-                        new_bank.process_transaction(&vote_tx).unwrap();
-                    }
-                }
-                new_bank.freeze();
-                bank_forks.write().unwrap().insert(new_bank);
-            }
-
-            // Now try to simulate the vote
-            let my_pubkey = my_keypairs.node_keypair.pubkey();
+            // Try to simulate the vote
+            let my_keypairs = self.validator_keypairs.get(&my_pubkey).unwrap();
             let my_vote_pubkey = my_keypairs.vote_keypair.pubkey();
-            let ancestors = bank_forks.read().unwrap().ancestors();
-            let mut frozen_banks: Vec<_> = bank_forks
+            let ancestors = self.bank_forks.read().unwrap().ancestors();
+            let mut frozen_banks: Vec<_> = self
+                .bank_forks
                 .read()
                 .unwrap()
                 .frozen_banks()
@@ -610,90 +598,119 @@ pub mod test {
                 &ancestors,
                 &mut frozen_banks,
                 tower,
-                progress,
+                &mut self.progress,
                 &VoteTracker::default(),
-                bank_forks,
+                &ClusterSlots::default(),
+                &self.bank_forks,
                 &mut HashSet::new(),
             );
 
-            let bank = bank_forks
+            let vote_bank = self
+                .bank_forks
                 .read()
                 .unwrap()
                 .get(vote_slot)
                 .expect("Bank must have been created before vote simulation")
                 .clone();
+
+            // Try to vote on the given slot
+            let descendants = self.bank_forks.read().unwrap().descendants();
+            let (_, _, failure_reasons) = ReplayStage::select_vote_and_reset_forks(
+                &Some(vote_bank.clone()),
+                &None,
+                &ancestors,
+                &descendants,
+                &self.progress,
+                &tower,
+            );
+
             // Make sure this slot isn't locked out or failing threshold
-            let fork_progress = progress
-                .get(&vote_slot)
-                .expect("Slot for vote must exist in progress map");
-            info!("Checking vote: {}", vote_slot);
-            info!("lockouts: {:?}", fork_progress.fork_stats.stake_lockouts);
-            let mut failures = vec![];
-            if fork_progress.fork_stats.is_locked_out {
-                failures.push(HeaviestForkFailures::LockedOut(vote_slot));
+            info!("Checking vote: {}", vote_bank.slot());
+            if !failure_reasons.is_empty() {
+                return failure_reasons;
             }
-            if !fork_progress.fork_stats.vote_threshold {
-                failures.push(HeaviestForkFailures::FailedThreshold(vote_slot));
-            }
-            if !failures.is_empty() {
-                return failures;
-            }
-            let vote = tower.new_vote_from_bank(&bank, &my_vote_pubkey).0;
+            let vote = tower.new_vote_from_bank(&vote_bank, &my_vote_pubkey).0;
             if let Some(new_root) = tower.record_bank_vote(vote) {
                 ReplayStage::handle_new_root(
                     new_root,
-                    bank_forks,
-                    progress,
+                    &self.bank_forks,
+                    &mut self.progress,
                     &None,
-                    &mut 0,
                     &mut HashSet::new(),
+                    None,
                 );
             }
 
-            // Mark the vote for this bank under this node's pubkey so it will be
-            // integrated into any future child banks
-            cluster_votes.entry(my_pubkey).or_default().push(vote_slot);
             vec![]
         }
 
-        // Find a node representing the given slot
-        fn find_node_and_update_simulation(&mut self, slot: u64) -> Option<&'a Node<u64>> {
-            let mut successful_search_node: Option<&'a Node<u64>> = None;
-            let mut found_node = None;
-            for search_node in self.searchable_nodes.values() {
-                if let Some((target, new_searchable_nodes)) = Self::find_node(search_node, slot) {
-                    successful_search_node = Some(search_node);
-                    found_node = Some(target);
-                    for node in new_searchable_nodes {
-                        self.searchable_nodes.insert(node.data, node);
-                    }
-                    break;
+        fn can_progress_on_fork(
+            &mut self,
+            my_pubkey: &Pubkey,
+            tower: &mut Tower,
+            start_slot: u64,
+            num_slots: u64,
+            cluster_votes: &mut HashMap<Pubkey, Vec<u64>>,
+        ) -> bool {
+            // Check that within some reasonable time, validator can make a new
+            // root on this fork
+            let old_root = tower.root();
+
+            for i in 1..num_slots {
+                // The parent of the tip of the fork
+                let mut fork_tip_parent = tr(start_slot + i - 1);
+                // The tip of the fork
+                fork_tip_parent.push_front(tr(start_slot + i));
+                self.fill_bank_forks(fork_tip_parent, cluster_votes);
+                if self
+                    .simulate_vote(i + start_slot, &my_pubkey, tower)
+                    .is_empty()
+                {
+                    cluster_votes
+                        .entry(*my_pubkey)
+                        .or_default()
+                        .push(start_slot + i);
+                }
+                if old_root != tower.root() {
+                    return true;
                 }
             }
-            successful_search_node.map(|node| {
-                self.searchable_nodes.remove(&node.data);
-            });
-            found_node
+
+            false
         }
 
-        fn find_node(
-            node: &'a Node<u64>,
-            slot: u64,
-        ) -> Option<(&'a Node<u64>, Vec<&'a Node<u64>>)> {
-            if node.data == slot {
-                Some((node, node.iter().collect()))
-            } else {
-                let mut search_result: Option<(&'a Node<u64>, Vec<&'a Node<u64>>)> = None;
-                for child in node.iter() {
-                    if let Some((_, ref mut new_searchable_nodes)) = search_result {
-                        new_searchable_nodes.push(child);
-                        continue;
-                    }
-                    search_result = Self::find_node(child, slot);
-                }
+        fn init_state(
+            num_keypairs: usize,
+        ) -> (
+            HashMap<Pubkey, ValidatorVoteKeypairs>,
+            Vec<Pubkey>,
+            Vec<Pubkey>,
+            BankForks,
+            ProgressMap,
+        ) {
+            let keypairs: HashMap<_, _> = std::iter::repeat_with(|| {
+                let node_keypair = Keypair::new();
+                let vote_keypair = Keypair::new();
+                let stake_keypair = Keypair::new();
+                let node_pubkey = node_keypair.pubkey();
+                (
+                    node_pubkey,
+                    ValidatorVoteKeypairs::new(node_keypair, vote_keypair, stake_keypair),
+                )
+            })
+            .take(num_keypairs)
+            .collect();
+            let node_pubkeys: Vec<_> = keypairs
+                .values()
+                .map(|keys| keys.node_keypair.pubkey())
+                .collect();
+            let vote_pubkeys: Vec<_> = keypairs
+                .values()
+                .map(|keys| keys.vote_keypair.pubkey())
+                .collect();
 
-                search_result
-            }
+            let (bank_forks, progress) = initialize_state(&keypairs, 10_000);
+            (keypairs, node_pubkeys, vote_pubkeys, bank_forks, progress)
         }
     }
 
@@ -717,7 +734,10 @@ pub mod test {
 
         bank0.freeze();
         let mut progress = ProgressMap::default();
-        progress.insert(0, ForkProgress::new(bank0.last_blockhash(), None, None));
+        progress.insert(
+            0,
+            ForkProgress::new(bank0.last_blockhash(), None, None, 0, 0),
+        );
         (BankForks::new(0, bank0), progress)
     }
 
@@ -741,84 +761,26 @@ pub mod test {
         stakes
     }
 
-    fn can_progress_on_fork(
-        my_pubkey: &Pubkey,
-        tower: &mut Tower,
-        start_slot: u64,
-        num_slots: u64,
-        bank_forks: &RwLock<BankForks>,
-        cluster_votes: &mut HashMap<Pubkey, Vec<u64>>,
-        keypairs: &HashMap<Pubkey, ValidatorVoteKeypairs>,
-        progress: &mut ProgressMap,
-    ) -> bool {
-        // Check that within some reasonable time, validator can make a new
-        // root on this fork
-        let old_root = tower.root();
-        let mut main_fork = tr(start_slot);
-        let mut tip = main_fork.root_mut();
-
-        for i in 1..num_slots {
-            tip.push_front(tr(start_slot + i));
-            tip = tip.first_mut().unwrap();
-        }
-        let mut voting_simulator = VoteSimulator::new(&main_fork);
-        for i in 1..num_slots {
-            voting_simulator.simulate_vote(
-                i + start_slot,
-                &bank_forks,
-                cluster_votes,
-                &keypairs,
-                keypairs.get(&my_pubkey).unwrap(),
-                progress,
-                tower,
-            );
-            if old_root != tower.root() {
-                return true;
-            }
-        }
-
-        false
-    }
-
     #[test]
     fn test_simple_votes() {
-        let node_keypair = Keypair::new();
-        let vote_keypair = Keypair::new();
-        let stake_keypair = Keypair::new();
-        let node_pubkey = node_keypair.pubkey();
-
-        let mut keypairs = HashMap::new();
-        keypairs.insert(
-            node_pubkey,
-            ValidatorVoteKeypairs::new(node_keypair, vote_keypair, stake_keypair),
-        );
-
-        // Initialize BankForks
-        let (bank_forks, mut progress) = initialize_state(&keypairs, 10_000);
-        let bank_forks = RwLock::new(bank_forks);
+        // Init state
+        let mut vote_simulator = VoteSimulator::new(1);
+        let node_pubkey = vote_simulator.node_pubkeys[0];
+        let mut tower = Tower::new_with_key(&node_pubkey);
 
         // Create the tree of banks
         let forks = tr(0) / (tr(1) / (tr(2) / (tr(3) / (tr(4) / tr(5)))));
 
         // Set the voting behavior
-        let mut voting_simulator = VoteSimulator::new(&forks);
+        let mut cluster_votes = HashMap::new();
         let votes = vec![0, 1, 2, 3, 4, 5];
+        cluster_votes.insert(node_pubkey, votes.clone());
+        vote_simulator.fill_bank_forks(forks, &cluster_votes);
 
         // Simulate the votes
-        let mut tower = Tower::new_with_key(&node_pubkey);
-
-        let mut cluster_votes = HashMap::new();
         for vote in votes {
-            assert!(voting_simulator
-                .simulate_vote(
-                    vote,
-                    &bank_forks,
-                    &mut cluster_votes,
-                    &keypairs,
-                    keypairs.get(&node_pubkey).unwrap(),
-                    &mut progress,
-                    &mut tower,
-                )
+            assert!(vote_simulator
+                .simulate_vote(vote, &node_pubkey, &mut tower,)
                 .is_empty());
         }
 
@@ -830,21 +792,14 @@ pub mod test {
 
     #[test]
     fn test_double_partition() {
-        solana_logger::setup();
-        let node_keypair = Keypair::new();
-        let vote_keypair = Keypair::new();
-        let stake_keypair = Keypair::new();
-        let node_pubkey = node_keypair.pubkey();
-        let vote_pubkey = vote_keypair.pubkey();
+        // Init state
+        let mut vote_simulator = VoteSimulator::new(2);
+        let node_pubkey = vote_simulator.node_pubkeys[0];
+        let vote_pubkey = vote_simulator.vote_pubkeys[0];
+        let mut tower = Tower::new_with_key(&node_pubkey);
 
-        let mut keypairs = HashMap::new();
-        info!("my_pubkey: {}", node_pubkey);
-        keypairs.insert(
-            node_pubkey,
-            ValidatorVoteKeypairs::new(node_keypair, vote_keypair, stake_keypair),
-        );
-
-        // Create the tree of banks in a BankForks object
+        let num_slots_to_try = 200;
+        // Create the tree of banks
         let forks = tr(0)
             / (tr(1)
                 / (tr(2)
@@ -861,56 +816,37 @@ pub mod test {
                                                     / (tr(44)
                                                         // Minor fork 2
                                                         / (tr(45) / (tr(46) / (tr(47) / (tr(48) / (tr(49) / (tr(50)))))))
-                                                        / (tr(110)))))))))))));
+                                                        / (tr(110) / (tr(110 + 2 * num_slots_to_try))))))))))))));
 
-        // Set the voting behavior
-        let mut voting_simulator = VoteSimulator::new(&forks);
-        let mut votes: Vec<Slot> = vec![];
+        // Set the successful voting behavior
+        let mut cluster_votes = HashMap::new();
+        let mut my_votes: Vec<Slot> = vec![];
+        let next_unlocked_slot = 110;
         // Vote on the first minor fork
-        votes.extend((0..=14).into_iter());
+        my_votes.extend((0..=14).into_iter());
         // Come back to the main fork
-        votes.extend((43..=44).into_iter());
+        my_votes.extend((43..=44).into_iter());
         // Vote on the second minor fork
-        votes.extend((45..=50).into_iter());
+        my_votes.extend((45..=50).into_iter());
+        // Vote to come back to main fork
+        my_votes.push(next_unlocked_slot);
+        cluster_votes.insert(node_pubkey, my_votes.clone());
+        // Make the other validator vote fork to pass the threshold checks
+        let other_votes = my_votes.clone();
+        cluster_votes.insert(vote_simulator.node_pubkeys[1], other_votes);
+        vote_simulator.fill_bank_forks(forks, &cluster_votes);
 
-        let mut cluster_votes: HashMap<Pubkey, Vec<Slot>> = HashMap::new();
-        let (bank_forks, mut progress) = initialize_state(&keypairs, 10_000);
-        let bank_forks = RwLock::new(bank_forks);
-
-        // Simulate the votes. Should fail on trying to come back to the main fork
-        // at 106 exclusively due to threshold failure
-        let mut tower = Tower::new_with_key(&node_pubkey);
-        for vote in &votes {
+        // Simulate the votes.
+        for vote in &my_votes {
             // All these votes should be ok
-            assert!(voting_simulator
-                .simulate_vote(
-                    *vote,
-                    &bank_forks,
-                    &mut cluster_votes,
-                    &keypairs,
-                    keypairs.get(&node_pubkey).unwrap(),
-                    &mut progress,
-                    &mut tower,
-                )
+            assert!(vote_simulator
+                .simulate_vote(*vote, &node_pubkey, &mut tower,)
                 .is_empty());
         }
 
-        // Try to come back to main fork
-        let next_unlocked_slot = 110;
-        assert!(voting_simulator
-            .simulate_vote(
-                next_unlocked_slot,
-                &bank_forks,
-                &mut cluster_votes,
-                &keypairs,
-                keypairs.get(&node_pubkey).unwrap(),
-                &mut progress,
-                &mut tower,
-            )
-            .is_empty());
-
         info!("local tower: {:#?}", tower.lockouts.votes);
-        let vote_accounts = bank_forks
+        let vote_accounts = vote_simulator
+            .bank_forks
             .read()
             .unwrap()
             .get(next_unlocked_slot)
@@ -920,15 +856,17 @@ pub mod test {
         let state = VoteState::from(&observed.1).unwrap();
         info!("observed tower: {:#?}", state.votes);
 
-        assert!(can_progress_on_fork(
+        let num_slots_to_try = 200;
+        cluster_votes
+            .get_mut(&vote_simulator.node_pubkeys[1])
+            .unwrap()
+            .extend(next_unlocked_slot + 1..next_unlocked_slot + num_slots_to_try);
+        assert!(vote_simulator.can_progress_on_fork(
             &node_pubkey,
             &mut tower,
             next_unlocked_slot,
-            200,
-            &bank_forks,
+            num_slots_to_try,
             &mut cluster_votes,
-            &keypairs,
-            &mut progress
         ));
     }
 

core/src/contact_info.rs

@@ -1,6 +1,8 @@
+use crate::crds_value::MAX_WALLCLOCK;
 use solana_sdk::pubkey::Pubkey;
 #[cfg(test)]
 use solana_sdk::rpc_port;
+use solana_sdk::sanitize::{Sanitize, SanitizeError};
 #[cfg(test)]
 use solana_sdk::signature::{Keypair, Signer};
 use solana_sdk::timing::timestamp;
@@ -37,6 +39,15 @@ pub struct ContactInfo {
     pub shred_version: u16,
 }
 
+impl Sanitize for ContactInfo {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        Ok(())
+    }
+}
+
 impl Ord for ContactInfo {
     fn cmp(&self, other: &Self) -> Ordering {
         self.id.cmp(&other.id)
@@ -314,4 +325,12 @@ mod tests {
         ci.rpc = socketaddr!("127.0.0.1:234");
         assert!(ci.valid_client_facing_addr().is_some());
     }
+
+    #[test]
+    fn test_sanitize() {
+        let mut ci = ContactInfo::default();
+        assert_eq!(ci.sanitize(), Ok(()));
+        ci.wallclock = MAX_WALLCLOCK;
+        assert_eq!(ci.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+    }
 }

core/src/crds_gossip_pull.rs

@@ -14,7 +14,6 @@ use crate::crds::Crds;
 use crate::crds_gossip::{get_stake, get_weight, CRDS_GOSSIP_DEFAULT_BLOOM_ITEMS};
 use crate::crds_gossip_error::CrdsGossipError;
 use crate::crds_value::{CrdsValue, CrdsValueLabel};
-use rand;
 use rand::distributions::{Distribution, WeightedIndex};
 use rand::Rng;
 use solana_runtime::bloom::Bloom;
@@ -37,6 +36,13 @@ pub struct CrdsFilter {
     mask_bits: u32,
 }
 
+impl solana_sdk::sanitize::Sanitize for CrdsFilter {
+    fn sanitize(&self) -> std::result::Result<(), solana_sdk::sanitize::SanitizeError> {
+        self.filter.sanitize()?;
+        Ok(())
+    }
+}
+
 impl CrdsFilter {
     pub fn new_rand(num_items: usize, max_bytes: usize) -> Self {
         let max_bits = (max_bytes * 8) as f64;
@@ -278,7 +284,7 @@ impl CrdsGossipPull {
         failed
     }
     // build a set of filters of the current crds table
-    // num_filters - used to increase the likely hood of a value in crds being added to some filter
+    // num_filters - used to increase the likelyhood of a value in crds being added to some filter
     pub fn build_crds_filters(&self, crds: &Crds, bloom_size: usize) -> Vec<CrdsFilter> {
         let num = cmp::max(
             CRDS_GOSSIP_DEFAULT_BLOOM_ITEMS,

core/src/crds_value.rs

@@ -2,6 +2,7 @@ use crate::contact_info::ContactInfo;
 use crate::deprecated;
 use crate::epoch_slots::EpochSlots;
 use bincode::{serialize, serialized_size};
+use solana_sdk::sanitize::{Sanitize, SanitizeError};
 use solana_sdk::timing::timestamp;
 use solana_sdk::{
     clock::Slot,
@@ -16,6 +17,9 @@ use std::{
     fmt,
 };
 
+pub const MAX_WALLCLOCK: u64 = 1_000_000_000_000_000;
+pub const MAX_SLOT: u64 = 1_000_000_000_000_000;
+
 pub type VoteIndex = u8;
 pub const MAX_VOTES: VoteIndex = 32;
 
@@ -29,6 +33,13 @@ pub struct CrdsValue {
     pub data: CrdsData,
 }
 
+impl Sanitize for CrdsValue {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        self.signature.sanitize()?;
+        self.data.sanitize()
+    }
+}
+
 impl Signable for CrdsValue {
     fn pubkey(&self) -> Pubkey {
         self.pubkey()
@@ -47,15 +58,8 @@ impl Signable for CrdsValue {
     }
 
     fn verify(&self) -> bool {
-        let sig_check = self
-            .get_signature()
-            .verify(&self.pubkey().as_ref(), self.signable_data().borrow());
-        let data_check = match &self.data {
-            CrdsData::Vote(ix, _) => *ix < MAX_VOTES,
-            CrdsData::EpochSlots(ix, _) => *ix < MAX_EPOCH_SLOTS,
-            _ => true,
-        };
-        sig_check && data_check
+        self.get_signature()
+            .verify(&self.pubkey().as_ref(), self.signable_data().borrow())
     }
 }
 
@@ -69,8 +73,36 @@ pub enum CrdsData {
     Vote(VoteIndex, Vote),
     LowestSlot(u8, LowestSlot),
     SnapshotHashes(SnapshotHash),
-    EpochSlots(EpochSlotsIndex, EpochSlots),
     AccountsHashes(SnapshotHash),
+    EpochSlots(EpochSlotsIndex, EpochSlots),
+}
+
+impl Sanitize for CrdsData {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        match self {
+            CrdsData::ContactInfo(val) => val.sanitize(),
+            CrdsData::Vote(ix, val) => {
+                if *ix >= MAX_VOTES {
+                    return Err(SanitizeError::ValueOutOfBounds);
+                }
+                val.sanitize()
+            }
+            CrdsData::LowestSlot(ix, val) => {
+                if *ix as usize >= 1 {
+                    return Err(SanitizeError::ValueOutOfBounds);
+                }
+                val.sanitize()
+            }
+            CrdsData::SnapshotHashes(val) => val.sanitize(),
+            CrdsData::AccountsHashes(val) => val.sanitize(),
+            CrdsData::EpochSlots(ix, val) => {
+                if *ix as usize >= MAX_EPOCH_SLOTS as usize {
+                    return Err(SanitizeError::ValueOutOfBounds);
+                }
+                val.sanitize()
+            }
+        }
+    }
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
@@ -80,6 +112,20 @@ pub struct SnapshotHash {
     pub wallclock: u64,
 }
 
+impl Sanitize for SnapshotHash {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        for (slot, _) in &self.hashes {
+            if *slot >= MAX_SLOT {
+                return Err(SanitizeError::ValueOutOfBounds);
+            }
+        }
+        self.from.sanitize()
+    }
+}
+
 impl SnapshotHash {
     pub fn new(from: Pubkey, hashes: Vec<(Slot, Hash)>) -> Self {
         Self {
@@ -112,6 +158,27 @@ impl LowestSlot {
     }
 }
 
+impl Sanitize for LowestSlot {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        if self.lowest >= MAX_SLOT {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        if self.root != 0 {
+            return Err(SanitizeError::InvalidValue);
+        }
+        if !self.slots.is_empty() {
+            return Err(SanitizeError::InvalidValue);
+        }
+        if !self.stash.is_empty() {
+            return Err(SanitizeError::InvalidValue);
+        }
+        self.from.sanitize()
+    }
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 pub struct Vote {
     pub from: Pubkey,
@@ -119,6 +186,16 @@ pub struct Vote {
     pub wallclock: u64,
 }
 
+impl Sanitize for Vote {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        self.from.sanitize()?;
+        self.transaction.sanitize()
+    }
+}
+
 impl Vote {
     pub fn new(from: &Pubkey, transaction: Transaction, wallclock: u64) -> Self {
         Self {
@@ -189,8 +266,8 @@ impl CrdsValue {
             CrdsData::Vote(_, vote) => vote.wallclock,
             CrdsData::LowestSlot(_, obj) => obj.wallclock,
             CrdsData::SnapshotHashes(hash) => hash.wallclock,
-            CrdsData::EpochSlots(_, p) => p.wallclock,
             CrdsData::AccountsHashes(hash) => hash.wallclock,
+            CrdsData::EpochSlots(_, p) => p.wallclock,
         }
     }
     pub fn pubkey(&self) -> Pubkey {
@@ -199,8 +276,8 @@ impl CrdsValue {
             CrdsData::Vote(_, vote) => vote.from,
             CrdsData::LowestSlot(_, slots) => slots.from,
             CrdsData::SnapshotHashes(hash) => hash.from,
-            CrdsData::EpochSlots(_, p) => p.from,
             CrdsData::AccountsHashes(hash) => hash.from,
+            CrdsData::EpochSlots(_, p) => p.from,
         }
     }
     pub fn label(&self) -> CrdsValueLabel {
@@ -209,8 +286,8 @@ impl CrdsValue {
             CrdsData::Vote(ix, _) => CrdsValueLabel::Vote(*ix, self.pubkey()),
             CrdsData::LowestSlot(_, _) => CrdsValueLabel::LowestSlot(self.pubkey()),
             CrdsData::SnapshotHashes(_) => CrdsValueLabel::SnapshotHashes(self.pubkey()),
-            CrdsData::EpochSlots(ix, _) => CrdsValueLabel::EpochSlots(*ix, self.pubkey()),
             CrdsData::AccountsHashes(_) => CrdsValueLabel::AccountsHashes(self.pubkey()),
+            CrdsData::EpochSlots(ix, _) => CrdsValueLabel::EpochSlots(*ix, self.pubkey()),
         }
     }
     pub fn contact_info(&self) -> Option<&ContactInfo> {
@@ -358,6 +435,32 @@ mod test {
         assert_eq!(v.label(), CrdsValueLabel::LowestSlot(key));
     }
 
+    #[test]
+    fn test_lowest_slot_sanitize() {
+        let ls = LowestSlot::new(Pubkey::default(), 0, 0);
+        let v = CrdsValue::new_unsigned(CrdsData::LowestSlot(0, ls.clone()));
+        assert_eq!(v.sanitize(), Ok(()));
+
+        let mut o = ls.clone();
+        o.root = 1;
+        let v = CrdsValue::new_unsigned(CrdsData::LowestSlot(0, o.clone()));
+        assert_eq!(v.sanitize(), Err(SanitizeError::InvalidValue));
+
+        let o = ls.clone();
+        let v = CrdsValue::new_unsigned(CrdsData::LowestSlot(1, o.clone()));
+        assert_eq!(v.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+
+        let mut o = ls.clone();
+        o.slots.insert(1);
+        let v = CrdsValue::new_unsigned(CrdsData::LowestSlot(0, o.clone()));
+        assert_eq!(v.sanitize(), Err(SanitizeError::InvalidValue));
+
+        let mut o = ls.clone();
+        o.stash.push(deprecated::EpochIncompleteSlots::default());
+        let v = CrdsValue::new_unsigned(CrdsData::LowestSlot(0, o.clone()));
+        assert_eq!(v.sanitize(), Err(SanitizeError::InvalidValue));
+    }
+
     #[test]
     fn test_signature() {
         let keypair = Keypair::new();
@@ -389,7 +492,7 @@ mod test {
             ),
             &keypair,
         );
-        assert!(!vote.verify());
+        assert!(vote.sanitize().is_err());
     }
 
     #[test]
@@ -402,7 +505,7 @@ mod test {
             ),
             &keypair,
         );
-        assert!(!item.verify());
+        assert_eq!(item.sanitize(), Err(SanitizeError::ValueOutOfBounds));
     }
     #[test]
     fn test_compute_vote_index_empty() {

core/src/epoch_slots.rs

@@ -1,10 +1,14 @@
 use crate::cluster_info::MAX_CRDS_OBJECT_SIZE;
+use crate::crds_value::MAX_SLOT;
+use crate::crds_value::MAX_WALLCLOCK;
 use bincode::serialized_size;
 use bv::BitVec;
 use flate2::{Compress, Compression, Decompress, FlushCompress, FlushDecompress};
 use solana_sdk::clock::Slot;
 use solana_sdk::pubkey::Pubkey;
+use solana_sdk::sanitize::{Sanitize, SanitizeError};
 
+const MAX_SLOTS_PER_ENTRY: usize = 2048 * 8;
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 pub struct Uncompressed {
     pub first_slot: Slot,
@@ -12,6 +16,18 @@ pub struct Uncompressed {
     pub slots: BitVec<u8>,
 }
 
+impl Sanitize for Uncompressed {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        if self.first_slot >= MAX_SLOT {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        if self.num >= MAX_SLOTS_PER_ENTRY {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        Ok(())
+    }
+}
+
 #[derive(Deserialize, Serialize, Clone, Debug, PartialEq)]
 pub struct Flate2 {
     pub first_slot: Slot,
@@ -19,6 +35,18 @@ pub struct Flate2 {
     pub compressed: Vec<u8>,
 }
 
+impl Sanitize for Flate2 {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        if self.first_slot >= MAX_SLOT {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        if self.num >= MAX_SLOTS_PER_ENTRY {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        Ok(())
+    }
+}
+
 #[derive(Debug, PartialEq)]
 pub enum Error {
     CompressError,
@@ -84,6 +112,9 @@ impl Uncompressed {
             (min_slot - self.first_slot) as usize
         };
         for i in start..self.num {
+            if i >= self.slots.len() as usize {
+                break;
+            }
             if self.slots.get(i as u64) {
                 rv.push(self.first_slot + i as Slot);
             }
@@ -95,6 +126,9 @@ impl Uncompressed {
             if self.num == 0 {
                 self.first_slot = *s;
             }
+            if self.num >= MAX_SLOTS_PER_ENTRY {
+                return i;
+            }
             if *s < self.first_slot {
                 return i;
             }
@@ -114,6 +148,15 @@ pub enum CompressedSlots {
     Uncompressed(Uncompressed),
 }
 
+impl Sanitize for CompressedSlots {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        match self {
+            CompressedSlots::Uncompressed(a) => a.sanitize(),
+            CompressedSlots::Flate2(b) => b.sanitize(),
+        }
+    }
+}
+
 impl Default for CompressedSlots {
     fn default() -> Self {
         CompressedSlots::new(0)
@@ -168,13 +211,40 @@ impl CompressedSlots {
     }
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug, Default, PartialEq)]
+#[derive(Serialize, Deserialize, Clone, Default, PartialEq)]
 pub struct EpochSlots {
     pub from: Pubkey,
     pub slots: Vec<CompressedSlots>,
     pub wallclock: u64,
 }
 
+impl Sanitize for EpochSlots {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        self.from.sanitize()?;
+        self.slots.sanitize()
+    }
+}
+
+use std::fmt;
+impl fmt::Debug for EpochSlots {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let num_slots: usize = self.slots.iter().map(|s| s.num_slots()).sum();
+        let lowest_slot = self
+            .slots
+            .iter()
+            .map(|s| s.first_slot())
+            .fold(0, std::cmp::min);
+        write!(
+            f,
+            "EpochSlots {{ from: {} num_slots: {} lowest_slot: {} wallclock: {} }}",
+            self.from, num_slots, lowest_slot, self.wallclock
+        )
+    }
+}
+
 impl EpochSlots {
     pub fn new(from: Pubkey, now: u64) -> Self {
         Self {
@@ -256,6 +326,14 @@ mod tests {
         assert_eq!(slots.to_slots(1), vec![1]);
         assert!(slots.to_slots(2).is_empty());
     }
+
+    #[test]
+    fn test_epoch_slots_to_slots_overflow() {
+        let mut slots = Uncompressed::new(1);
+        slots.num = 100;
+        assert!(slots.to_slots(0).is_empty());
+    }
+
     #[test]
     fn test_epoch_slots_uncompressed_add_2() {
         let mut slots = Uncompressed::new(1);
@@ -299,6 +377,44 @@ mod tests {
         assert_eq!(slots.num, 701);
         assert_eq!(slots.to_slots(1), vec![1, 2, 701]);
     }
+
+    #[test]
+    fn test_epoch_slots_sanitize() {
+        let mut slots = Uncompressed::new(100);
+        slots.add(&[1, 701, 2]);
+        assert_eq!(slots.num, 701);
+        assert!(slots.sanitize().is_ok());
+
+        let mut o = slots.clone();
+        o.first_slot = MAX_SLOT;
+        assert_eq!(o.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+
+        let mut o = slots.clone();
+        o.num = MAX_SLOTS_PER_ENTRY;
+        assert_eq!(o.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+
+        let compressed = Flate2::deflate(slots).unwrap();
+        assert!(compressed.sanitize().is_ok());
+
+        let mut o = compressed.clone();
+        o.first_slot = MAX_SLOT;
+        assert_eq!(o.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+
+        let mut o = compressed.clone();
+        o.num = MAX_SLOTS_PER_ENTRY;
+        assert_eq!(o.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+
+        let mut slots = EpochSlots::default();
+        let range: Vec<Slot> = (0..5000).into_iter().collect();
+        assert_eq!(slots.fill(&range, 1), 5000);
+        assert_eq!(slots.wallclock, 1);
+        assert!(slots.sanitize().is_ok());
+
+        let mut o = slots.clone();
+        o.wallclock = MAX_WALLCLOCK;
+        assert_eq!(o.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+    }
+
     #[test]
     fn test_epoch_slots_fill_range() {
         let range: Vec<Slot> = (0..5000).into_iter().collect();

core/src/gossip_service.rs

@@ -22,7 +22,7 @@ pub struct GossipService {
 
 impl GossipService {
     pub fn new(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         bank_forks: Option<Arc<RwLock<BankForks>>>,
         gossip_socket: UdpSocket,
         exit: &Arc<AtomicBool>,
@@ -31,7 +31,7 @@ impl GossipService {
         let gossip_socket = Arc::new(gossip_socket);
         trace!(
             "GossipService: id: {}, listening on: {:?}",
-            &cluster_info.read().unwrap().my_data().id,
+            &cluster_info.id(),
             gossip_socket.local_addr().unwrap()
         );
         let t_receiver = streamer::receiver(
@@ -89,7 +89,7 @@ pub fn discover(
     let exit = Arc::new(AtomicBool::new(false));
     let (gossip_service, ip_echo, spy_ref) = make_gossip_node(entrypoint, &exit, my_gossip_addr);
 
-    let id = spy_ref.read().unwrap().keypair.pubkey();
+    let id = spy_ref.id();
     info!("Entrypoint: {:?}", entrypoint);
     info!("Node Id: {:?}", id);
     if let Some(my_gossip_addr) = my_gossip_addr {
@@ -113,7 +113,7 @@ pub fn discover(
         info!(
             "discover success in {}s...\n{}",
             secs,
-            spy_ref.read().unwrap().contact_info_trace()
+            spy_ref.contact_info_trace()
         );
         return Ok((tvu_peers, storage_peers));
     }
@@ -121,15 +121,12 @@ pub fn discover(
     if !tvu_peers.is_empty() {
         info!(
             "discover failed to match criteria by timeout...\n{}",
-            spy_ref.read().unwrap().contact_info_trace()
+            spy_ref.contact_info_trace()
         );
         return Ok((tvu_peers, storage_peers));
     }
 
-    info!(
-        "discover failed...\n{}",
-        spy_ref.read().unwrap().contact_info_trace()
-    );
+    info!("discover failed...\n{}", spy_ref.contact_info_trace());
     Err(std::io::Error::new(
         std::io::ErrorKind::Other,
         "Discover failed",
@@ -176,7 +173,7 @@ pub fn get_multi_client(nodes: &[ContactInfo]) -> (ThinClient, usize) {
 }
 
 fn spy(
-    spy_ref: Arc<RwLock<ClusterInfo>>,
+    spy_ref: Arc<ClusterInfo>,
     num_nodes: Option<usize>,
     timeout: Option<u64>,
     find_node_by_pubkey: Option<Pubkey>,
@@ -194,13 +191,8 @@ fn spy(
             }
         }
 
-        tvu_peers = spy_ref
-            .read()
-            .unwrap()
-            .all_tvu_peers()
-            .into_iter()
-            .collect::<Vec<_>>();
-        storage_peers = spy_ref.read().unwrap().all_storage_peers();
+        tvu_peers = spy_ref.all_tvu_peers().into_iter().collect::<Vec<_>>();
+        storage_peers = spy_ref.all_storage_peers();
 
         let mut nodes: Vec<_> = tvu_peers.iter().chain(storage_peers.iter()).collect();
         nodes.sort();
@@ -232,10 +224,7 @@ fn spy(
             met_criteria = true;
         }
         if i % 20 == 0 {
-            info!(
-                "discovering...\n{}",
-                spy_ref.read().unwrap().contact_info_trace()
-            );
+            info!("discovering...\n{}", spy_ref.contact_info_trace());
         }
         sleep(Duration::from_millis(
             crate::cluster_info::GOSSIP_SLEEP_MILLIS,
@@ -256,18 +245,18 @@ fn make_gossip_node(
     entrypoint: Option<&SocketAddr>,
     exit: &Arc<AtomicBool>,
     gossip_addr: Option<&SocketAddr>,
-) -> (GossipService, Option<TcpListener>, Arc<RwLock<ClusterInfo>>) {
+) -> (GossipService, Option<TcpListener>, Arc<ClusterInfo>) {
     let keypair = Arc::new(Keypair::new());
     let (node, gossip_socket, ip_echo) = if let Some(gossip_addr) = gossip_addr {
         ClusterInfo::gossip_node(&keypair.pubkey(), gossip_addr)
     } else {
         ClusterInfo::spy_node(&keypair.pubkey())
     };
-    let mut cluster_info = ClusterInfo::new(node, keypair);
+    let cluster_info = ClusterInfo::new(node, keypair);
     if let Some(entrypoint) = entrypoint {
         cluster_info.set_entrypoint(ContactInfo::new_gossip_entry_point(entrypoint));
     }
-    let cluster_info = Arc::new(RwLock::new(cluster_info));
+    let cluster_info = Arc::new(cluster_info);
     let gossip_service = GossipService::new(&cluster_info.clone(), None, gossip_socket, &exit);
     (gossip_service, ip_echo, cluster_info)
 }
@@ -277,7 +266,7 @@ mod tests {
     use super::*;
     use crate::cluster_info::{ClusterInfo, Node};
     use std::sync::atomic::AtomicBool;
-    use std::sync::{Arc, RwLock};
+    use std::sync::Arc;
 
     #[test]
     #[ignore]
@@ -286,7 +275,7 @@ mod tests {
         let exit = Arc::new(AtomicBool::new(false));
         let tn = Node::new_localhost();
         let cluster_info = ClusterInfo::new_with_invalid_keypair(tn.info.clone());
-        let c = Arc::new(RwLock::new(cluster_info));
+        let c = Arc::new(cluster_info);
         let d = GossipService::new(&c, None, tn.sockets.gossip, &exit);
         exit.store(true, Ordering::Relaxed);
         d.join().unwrap();
@@ -300,16 +289,16 @@ mod tests {
         let contact_info = ContactInfo::new_localhost(&keypair.pubkey(), 0);
         let peer0_info = ContactInfo::new_localhost(&peer0, 0);
         let peer1_info = ContactInfo::new_localhost(&peer1, 0);
-        let mut cluster_info = ClusterInfo::new(contact_info.clone(), Arc::new(keypair));
+        let cluster_info = ClusterInfo::new(contact_info.clone(), Arc::new(keypair));
         cluster_info.insert_info(peer0_info.clone());
         cluster_info.insert_info(peer1_info);
 
-        let spy_ref = Arc::new(RwLock::new(cluster_info));
+        let spy_ref = Arc::new(cluster_info);
 
         let (met_criteria, secs, tvu_peers, _) = spy(spy_ref.clone(), None, Some(1), None, None);
         assert_eq!(met_criteria, false);
         assert_eq!(secs, 1);
-        assert_eq!(tvu_peers, spy_ref.read().unwrap().tvu_peers());
+        assert_eq!(tvu_peers, spy_ref.tvu_peers());
 
         // Find num_nodes
         let (met_criteria, _, _, _) = spy(spy_ref.clone(), Some(1), None, None, None);

core/src/ledger_cleanup_service.rs

@@ -1,6 +1,8 @@
 //! The `ledger_cleanup_service` drops older ledger data to limit disk space usage
 
 use solana_ledger::blockstore::Blockstore;
+use solana_ledger::blockstore_db::Result as BlockstoreResult;
+use solana_measure::measure::Measure;
 use solana_metrics::datapoint_debug;
 use solana_sdk::clock::Slot;
 use std::string::ToString;
@@ -11,13 +13,25 @@ use std::thread;
 use std::thread::{Builder, JoinHandle};
 use std::time::Duration;
 
+// - To try and keep the RocksDB size under 400GB:
+//   Seeing about 1600b/shred, using 2000b/shred for margin, so 200m shreds can be stored in 400gb.
+//   at 5k shreds/slot at 50k tps, this is 500k slots (~5 hours).
+//   At idle, 60 shreds/slot this is about 4m slots (18 days)
 // This is chosen to allow enough time for
-// - To try and keep the RocksDB size under 512GB at 50k tps (100 slots take ~2GB).
 // - A validator to download a snapshot from a peer and boot from it
 // - To make sure that if a validator needs to reboot from its own snapshot, it has enough slots locally
 //   to catch back up to where it was when it stopped
-pub const DEFAULT_MAX_LEDGER_SLOTS: u64 = 270_000;
-// Remove a fixed number of slots at a time, it's more efficient than doing it one-by-one
+pub const DEFAULT_MAX_LEDGER_SHREDS: u64 = 200_000_000;
+
+// Allow down to 50m, or 3.5 days at idle, 1hr at 50k load, around ~100GB
+pub const DEFAULT_MIN_MAX_LEDGER_SHREDS: u64 = 50_000_000;
+
+// Check for removing slots at this interval so we don't purge too often
+// and starve other blockstore users.
+pub const DEFAULT_PURGE_SLOT_INTERVAL: u64 = 512;
+
+// Remove a limited number of slots at a time, so the operation
+// does not take too long and block other blockstore users.
 pub const DEFAULT_PURGE_BATCH_SIZE: u64 = 256;
 
 pub struct LedgerCleanupService {
@@ -36,7 +50,7 @@ impl LedgerCleanupService {
             max_ledger_slots
         );
         let exit = exit.clone();
-        let mut next_purge_batch = max_ledger_slots;
+        let mut last_purge_slot = 0;
         let t_cleanup = Builder::new()
             .name("solana-ledger-cleanup".to_string())
             .spawn(move || loop {
@@ -47,7 +61,8 @@ impl LedgerCleanupService {
                     &new_root_receiver,
                     &blockstore,
                     max_ledger_slots,
-                    &mut next_purge_batch,
+                    &mut last_purge_slot,
+                    DEFAULT_PURGE_SLOT_INTERVAL,
                 ) {
                     match e {
                         RecvTimeoutError::Disconnected => break,
@@ -59,45 +74,123 @@ impl LedgerCleanupService {
         Self { t_cleanup }
     }
 
+    fn find_slots_to_clean(
+        blockstore: &Arc<Blockstore>,
+        root: Slot,
+        max_ledger_shreds: u64,
+    ) -> (u64, Slot, Slot) {
+        let mut shreds = Vec::new();
+        let mut iterate_time = Measure::start("iterate_time");
+        let mut total_shreds = 0;
+        let mut first_slot = 0;
+        for (i, (slot, meta)) in blockstore.slot_meta_iterator(0).unwrap().enumerate() {
+            if i == 0 {
+                first_slot = slot;
+                debug!("purge: searching from slot: {}", slot);
+            }
+            // Not exact since non-full slots will have holes
+            total_shreds += meta.received;
+            shreds.push((slot, meta.received));
+            if slot > root {
+                break;
+            }
+        }
+        iterate_time.stop();
+        info!(
+            "checking for ledger purge: max_shreds: {} slots: {} total_shreds: {} {}",
+            max_ledger_shreds,
+            shreds.len(),
+            total_shreds,
+            iterate_time
+        );
+        if (total_shreds as u64) < max_ledger_shreds {
+            return (0, 0, 0);
+        }
+        let mut cur_shreds = 0;
+        let mut lowest_slot_to_clean = shreds[0].0;
+        for (slot, num_shreds) in shreds.iter().rev() {
+            cur_shreds += *num_shreds as u64;
+            if cur_shreds > max_ledger_shreds {
+                lowest_slot_to_clean = *slot;
+                break;
+            }
+        }
+
+        (cur_shreds, lowest_slot_to_clean, first_slot)
+    }
+
     fn cleanup_ledger(
         new_root_receiver: &Receiver<Slot>,
         blockstore: &Arc<Blockstore>,
-        max_ledger_slots: u64,
-        next_purge_batch: &mut u64,
+        max_ledger_shreds: u64,
+        last_purge_slot: &mut u64,
+        purge_interval: u64,
     ) -> Result<(), RecvTimeoutError> {
-        let disk_utilization_pre = blockstore.storage_size();
-
-        let root = new_root_receiver.recv_timeout(Duration::from_secs(1))?;
-
-        // Notify blockstore of impending purge
-        if root > *next_purge_batch {
-            //cleanup
-            let lowest_slot = root - max_ledger_slots;
-            *blockstore.lowest_cleanup_slot.write().unwrap() = lowest_slot;
-            blockstore.purge_slots(0, Some(lowest_slot));
-            *next_purge_batch += DEFAULT_PURGE_BATCH_SIZE;
+        let mut root = new_root_receiver.recv_timeout(Duration::from_secs(1))?;
+        // Get the newest root
+        while let Ok(new_root) = new_root_receiver.try_recv() {
+            root = new_root;
         }
 
-        let disk_utilization_post = blockstore.storage_size();
-
-        if let (Ok(disk_utilization_pre), Ok(disk_utilization_post)) =
-            (disk_utilization_pre, disk_utilization_post)
-        {
-            datapoint_debug!(
-                "ledger_disk_utilization",
-                ("disk_utilization_pre", disk_utilization_pre as i64, i64),
-                ("disk_utilization_post", disk_utilization_post as i64, i64),
-                (
-                    "disk_utilization_delta",
-                    (disk_utilization_pre as i64 - disk_utilization_post as i64),
-                    i64
-                )
+        if root - *last_purge_slot > purge_interval {
+            let disk_utilization_pre = blockstore.storage_size();
+            info!(
+                "purge: new root: {} last_purge: {} purge_interval: {} disk: {:?}",
+                root, last_purge_slot, purge_interval, disk_utilization_pre
             );
+            *last_purge_slot = root;
+
+            let (num_shreds_to_clean, lowest_slot_to_clean, mut first_slot) =
+                Self::find_slots_to_clean(blockstore, root, max_ledger_shreds);
+
+            if num_shreds_to_clean > 0 {
+                debug!(
+                    "cleaning up to: {} shreds: {} first: {}",
+                    lowest_slot_to_clean, num_shreds_to_clean, first_slot
+                );
+                loop {
+                    let current_lowest =
+                        std::cmp::min(lowest_slot_to_clean, first_slot + DEFAULT_PURGE_BATCH_SIZE);
+
+                    let mut slot_update_time = Measure::start("slot_update");
+                    *blockstore.lowest_cleanup_slot.write().unwrap() = current_lowest;
+                    slot_update_time.stop();
+
+                    let mut clean_time = Measure::start("ledger_clean");
+                    blockstore.purge_slots(first_slot, Some(current_lowest));
+                    clean_time.stop();
+
+                    debug!(
+                        "ledger purge {} -> {}: {} {}",
+                        first_slot, current_lowest, slot_update_time, clean_time
+                    );
+                    first_slot += DEFAULT_PURGE_BATCH_SIZE;
+                    if current_lowest == lowest_slot_to_clean {
+                        break;
+                    }
+                    thread::sleep(Duration::from_millis(500));
+                }
+            }
+
+            let disk_utilization_post = blockstore.storage_size();
+
+            Self::report_disk_metrics(disk_utilization_pre, disk_utilization_post);
         }
 
         Ok(())
     }
 
+    fn report_disk_metrics(pre: BlockstoreResult<u64>, post: BlockstoreResult<u64>) {
+        if let (Ok(pre), Ok(post)) = (pre, post) {
+            datapoint_debug!(
+                "ledger_disk_utilization",
+                ("disk_utilization_pre", pre as i64, i64),
+                ("disk_utilization_post", post as i64, i64),
+                ("disk_utilization_delta", (pre as i64 - post as i64), i64)
+            );
+        }
+    }
+
     pub fn join(self) -> thread::Result<()> {
         self.t_cleanup.join()
     }
@@ -111,6 +204,7 @@ mod tests {
 
     #[test]
     fn test_cleanup() {
+        solana_logger::setup();
         let blockstore_path = get_tmp_ledger_path!();
         let blockstore = Blockstore::open(&blockstore_path).unwrap();
         let (shreds, _) = make_many_slot_entries(0, 50, 5);
@@ -118,10 +212,10 @@ mod tests {
         let blockstore = Arc::new(blockstore);
         let (sender, receiver) = channel();
 
-        //send a signal to kill slots 0-40
-        let mut next_purge_slot = 0;
+        //send a signal to kill all but 5 shreds, which will be in the newest slots
+        let mut last_purge_slot = 0;
         sender.send(50).unwrap();
-        LedgerCleanupService::cleanup_ledger(&receiver, &blockstore, 10, &mut next_purge_slot)
+        LedgerCleanupService::cleanup_ledger(&receiver, &blockstore, 5, &mut last_purge_slot, 10)
             .unwrap();
 
         //check that 0-40 don't exist
@@ -134,6 +228,62 @@ mod tests {
         Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
     }
 
+    #[test]
+    fn test_cleanup_speed() {
+        solana_logger::setup();
+        let blockstore_path = get_tmp_ledger_path!();
+        let mut blockstore = Blockstore::open(&blockstore_path).unwrap();
+        blockstore.set_no_compaction(true);
+        let blockstore = Arc::new(blockstore);
+        let (sender, receiver) = channel();
+
+        let mut first_insert = Measure::start("first_insert");
+        let initial_slots = 50;
+        let initial_entries = 5;
+        let (shreds, _) = make_many_slot_entries(0, initial_slots, initial_entries);
+        blockstore.insert_shreds(shreds, None, false).unwrap();
+        first_insert.stop();
+        info!("{}", first_insert);
+
+        let mut last_purge_slot = 0;
+        let mut slot = initial_slots;
+        let mut num_slots = 6;
+        for _ in 0..5 {
+            let mut insert_time = Measure::start("insert time");
+            let batch_size = 2;
+            let batches = num_slots / batch_size;
+            for i in 0..batches {
+                let (shreds, _) = make_many_slot_entries(slot + i * batch_size, batch_size, 5);
+                blockstore.insert_shreds(shreds, None, false).unwrap();
+                if i % 100 == 0 {
+                    info!("inserting..{} of {}", i, batches);
+                }
+            }
+            insert_time.stop();
+
+            let mut time = Measure::start("purge time");
+            sender.send(slot + num_slots).unwrap();
+            LedgerCleanupService::cleanup_ledger(
+                &receiver,
+                &blockstore,
+                initial_slots,
+                &mut last_purge_slot,
+                10,
+            )
+            .unwrap();
+            time.stop();
+            info!(
+                "slot: {} size: {} {} {}",
+                slot, num_slots, insert_time, time
+            );
+            slot += num_slots;
+            num_slots *= 2;
+        }
+
+        drop(blockstore);
+        Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
+    }
+
     #[test]
     fn test_compaction() {
         let blockstore_path = get_tmp_ledger_path!();
@@ -142,7 +292,7 @@ mod tests {
         let n = 10_000;
         let batch_size = 100;
         let batches = n / batch_size;
-        let max_ledger_slots = 100;
+        let max_ledger_shreds = 100;
 
         for i in 0..batches {
             let (shreds, _) = make_many_slot_entries(i * batch_size, batch_size, 1);
@@ -158,8 +308,9 @@ mod tests {
         LedgerCleanupService::cleanup_ledger(
             &receiver,
             &blockstore,
-            max_ledger_slots,
+            max_ledger_shreds,
             &mut next_purge_batch,
+            10,
         )
         .unwrap();
 
@@ -170,7 +321,7 @@ mod tests {
         assert!(u2 < u1, "insufficient compaction! pre={},post={}", u1, u2,);
 
         // check that early slots don't exist
-        let max_slot = n - max_ledger_slots;
+        let max_slot = n - max_ledger_shreds - 1;
         blockstore
             .slot_meta_iterator(0)
             .unwrap()

core/src/lib.rs

@@ -5,7 +5,7 @@
 //! command-line tools to spin up validators and a Rust library
 //!
 
-pub mod accounts_cleanup_service;
+pub mod accounts_background_service;
 pub mod accounts_hash_verifier;
 pub mod banking_stage;
 pub mod broadcast_stage;
@@ -58,6 +58,9 @@ pub mod verified_vote_packets;
 pub mod weighted_shuffle;
 pub mod window_service;
 
+#[macro_use]
+extern crate solana_bpf_loader_program;
+
 #[macro_use]
 extern crate solana_budget_program;
 

core/src/poh_service.rs

@@ -1,10 +1,8 @@
 //! The `poh_service` module implements a service that records the passing of
 //! "ticks", a measure of time in the PoH stream
 use crate::poh_recorder::PohRecorder;
-use core_affinity;
 use solana_sdk::clock::DEFAULT_TICKS_PER_SLOT;
 use solana_sdk::poh_config::PohConfig;
-use solana_sys_tuner;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};
 use std::thread::{self, sleep, Builder, JoinHandle};

core/src/progress_map.rs

@@ -1,13 +1,13 @@
 use crate::{
-    cluster_info_vote_listener::SlotVoteTracker, consensus::StakeLockout,
-    replay_stage::SUPERMINORITY_THRESHOLD,
+    cluster_info_vote_listener::SlotVoteTracker, cluster_slots::SlotPubkeys,
+    consensus::StakeLockout, replay_stage::SUPERMINORITY_THRESHOLD,
 };
 use solana_ledger::{
     bank_forks::BankForks,
     blockstore_processor::{ConfirmationProgress, ConfirmationTiming},
 };
 use solana_runtime::bank::Bank;
-use solana_sdk::{clock::Slot, hash::Hash, pubkey::Pubkey};
+use solana_sdk::{account::Account, clock::Slot, hash::Hash, pubkey::Pubkey};
 use std::{
     collections::{HashMap, HashSet},
     rc::Rc,
@@ -85,6 +85,12 @@ pub(crate) struct ForkProgress {
     pub(crate) propagated_stats: PropagatedStats,
     pub(crate) replay_stats: ReplaySlotStats,
     pub(crate) replay_progress: ConfirmationProgress,
+    // Note `num_blocks_on_fork` and `num_dropped_blocks_on_fork` only
+    // count new blocks replayed since last restart, which won't include
+    // blocks already existing in the ledger/before snapshot at start,
+    // so these stats do not span all of time
+    pub(crate) num_blocks_on_fork: u64,
+    pub(crate) num_dropped_blocks_on_fork: u64,
 }
 
 impl ForkProgress {
@@ -92,6 +98,8 @@ impl ForkProgress {
         last_entry: Hash,
         prev_leader_slot: Option<Slot>,
         validator_stake_info: Option<ValidatorStakeInfo>,
+        num_blocks_on_fork: u64,
+        num_dropped_blocks_on_fork: u64,
     ) -> Self {
         let (
             is_leader_slot,
@@ -124,6 +132,8 @@ impl ForkProgress {
             fork_stats: ForkStats::default(),
             replay_stats: ReplaySlotStats::default(),
             replay_progress: ConfirmationProgress::new(last_entry),
+            num_blocks_on_fork,
+            num_dropped_blocks_on_fork,
             propagated_stats: PropagatedStats {
                 prev_leader_slot,
                 is_leader_slot,
@@ -141,6 +151,8 @@ impl ForkProgress {
         my_pubkey: &Pubkey,
         voting_pubkey: &Pubkey,
         prev_leader_slot: Option<Slot>,
+        num_blocks_on_fork: u64,
+        num_dropped_blocks_on_fork: u64,
     ) -> Self {
         let validator_fork_info = {
             if bank.collector_id() == my_pubkey {
@@ -155,7 +167,13 @@ impl ForkProgress {
             }
         };
 
-        Self::new(bank.last_blockhash(), prev_leader_slot, validator_fork_info)
+        Self::new(
+            bank.last_blockhash(),
+            prev_leader_slot,
+            validator_fork_info,
+            num_blocks_on_fork,
+            num_dropped_blocks_on_fork,
+        )
     }
 }
 
@@ -164,7 +182,6 @@ pub(crate) struct ForkStats {
     pub(crate) weight: u128,
     pub(crate) fork_weight: u128,
     pub(crate) total_staked: u64,
-    pub(crate) slot: Slot,
     pub(crate) block_height: u64,
     pub(crate) has_voted: bool,
     pub(crate) is_recent: bool,
@@ -179,14 +196,84 @@ pub(crate) struct ForkStats {
 #[derive(Clone, Default)]
 pub(crate) struct PropagatedStats {
     pub(crate) propagated_validators: HashSet<Rc<Pubkey>>,
+    pub(crate) propagated_node_ids: HashSet<Rc<Pubkey>>,
     pub(crate) propagated_validators_stake: u64,
     pub(crate) is_propagated: bool,
     pub(crate) is_leader_slot: bool,
     pub(crate) prev_leader_slot: Option<Slot>,
     pub(crate) slot_vote_tracker: Option<Arc<RwLock<SlotVoteTracker>>>,
+    pub(crate) cluster_slot_pubkeys: Option<Arc<RwLock<SlotPubkeys>>>,
     pub(crate) total_epoch_stake: u64,
 }
 
+impl PropagatedStats {
+    pub fn add_vote_pubkey(
+        &mut self,
+        vote_pubkey: &Pubkey,
+        all_pubkeys: &mut HashSet<Rc<Pubkey>>,
+        stake: u64,
+    ) {
+        if !self.propagated_validators.contains(vote_pubkey) {
+            let mut cached_pubkey: Option<Rc<Pubkey>> = all_pubkeys.get(vote_pubkey).cloned();
+            if cached_pubkey.is_none() {
+                let new_pubkey = Rc::new(*vote_pubkey);
+                all_pubkeys.insert(new_pubkey.clone());
+                cached_pubkey = Some(new_pubkey);
+            }
+            let vote_pubkey = cached_pubkey.unwrap();
+            self.propagated_validators.insert(vote_pubkey);
+            self.propagated_validators_stake += stake;
+        }
+    }
+
+    pub fn add_node_pubkey(
+        &mut self,
+        node_pubkey: &Pubkey,
+        all_pubkeys: &mut HashSet<Rc<Pubkey>>,
+        bank: &Bank,
+    ) {
+        if !self.propagated_node_ids.contains(node_pubkey) {
+            let node_vote_accounts = bank
+                .epoch_vote_accounts_for_node_id(&node_pubkey)
+                .map(|v| &v.vote_accounts);
+
+            if let Some(node_vote_accounts) = node_vote_accounts {
+                self.add_node_pubkey_internal(
+                    node_pubkey,
+                    all_pubkeys,
+                    node_vote_accounts,
+                    bank.epoch_vote_accounts(bank.epoch())
+                        .expect("Epoch stakes for bank's own epoch must exist"),
+                );
+            }
+        }
+    }
+
+    fn add_node_pubkey_internal(
+        &mut self,
+        node_pubkey: &Pubkey,
+        all_pubkeys: &mut HashSet<Rc<Pubkey>>,
+        vote_account_pubkeys: &[Pubkey],
+        epoch_vote_accounts: &HashMap<Pubkey, (u64, Account)>,
+    ) {
+        let mut cached_pubkey: Option<Rc<Pubkey>> = all_pubkeys.get(node_pubkey).cloned();
+        if cached_pubkey.is_none() {
+            let new_pubkey = Rc::new(*node_pubkey);
+            all_pubkeys.insert(new_pubkey.clone());
+            cached_pubkey = Some(new_pubkey);
+        }
+        let node_pubkey = cached_pubkey.unwrap();
+        self.propagated_node_ids.insert(node_pubkey);
+        for vote_account_pubkey in vote_account_pubkeys.iter() {
+            let stake = epoch_vote_accounts
+                .get(vote_account_pubkey)
+                .map(|(stake, _)| *stake)
+                .unwrap_or(0);
+            self.add_vote_pubkey(vote_account_pubkey, all_pubkeys, stake);
+        }
+    }
+}
+
 #[derive(Default)]
 pub(crate) struct ProgressMap {
     progress_map: HashMap<Slot, ForkProgress>,
@@ -282,17 +369,151 @@ impl ProgressMap {
         self.progress_map
             .retain(|k, _| bank_forks.get(*k).is_some());
     }
+
+    pub fn log_propagated_stats(&self, slot: Slot, bank_forks: &RwLock<BankForks>) {
+        if let Some(stats) = self.get_propagated_stats(slot) {
+            info!(
+                "Propagated stats:
+                total staked: {},
+                observed staked: {},
+                vote pubkeys: {:?},
+                node_pubkeys: {:?},
+                slot: {},
+                epoch: {:?}",
+                stats.total_epoch_stake,
+                stats.propagated_validators_stake,
+                stats.propagated_validators,
+                stats.propagated_node_ids,
+                slot,
+                bank_forks.read().unwrap().get(slot).map(|x| x.epoch()),
+            );
+        }
+    }
 }
 
 #[cfg(test)]
 mod test {
     use super::*;
 
+    #[test]
+    fn test_add_vote_pubkey() {
+        let mut stats = PropagatedStats::default();
+        let mut all_pubkeys = HashSet::new();
+        let mut vote_pubkey = Pubkey::new_rand();
+        all_pubkeys.insert(Rc::new(vote_pubkey.clone()));
+
+        // Add a vote pubkey, the number of references in all_pubkeys
+        // should be 2
+        stats.add_vote_pubkey(&vote_pubkey, &mut all_pubkeys, 1);
+        assert!(stats.propagated_validators.contains(&vote_pubkey));
+        assert_eq!(stats.propagated_validators_stake, 1);
+        assert_eq!(Rc::strong_count(all_pubkeys.get(&vote_pubkey).unwrap()), 2);
+
+        // Adding it again should change no state since the key already existed
+        stats.add_vote_pubkey(&vote_pubkey, &mut all_pubkeys, 1);
+        assert!(stats.propagated_validators.contains(&vote_pubkey));
+        assert_eq!(stats.propagated_validators_stake, 1);
+
+        // Addding another pubkey should succeed
+        vote_pubkey = Pubkey::new_rand();
+        stats.add_vote_pubkey(&vote_pubkey, &mut all_pubkeys, 2);
+        assert!(stats.propagated_validators.contains(&vote_pubkey));
+        assert_eq!(stats.propagated_validators_stake, 3);
+        assert_eq!(Rc::strong_count(all_pubkeys.get(&vote_pubkey).unwrap()), 2);
+    }
+
+    #[test]
+    fn test_add_node_pubkey_internal() {
+        let num_vote_accounts = 10;
+        let staked_vote_accounts = 5;
+        let vote_account_pubkeys: Vec<_> = std::iter::repeat_with(|| Pubkey::new_rand())
+            .take(num_vote_accounts)
+            .collect();
+        let epoch_vote_accounts: HashMap<_, _> = vote_account_pubkeys
+            .iter()
+            .skip(num_vote_accounts - staked_vote_accounts)
+            .map(|pubkey| (*pubkey, (1, Account::default())))
+            .collect();
+
+        let mut stats = PropagatedStats::default();
+        let mut all_pubkeys = HashSet::new();
+        let mut node_pubkey = Pubkey::new_rand();
+        all_pubkeys.insert(Rc::new(node_pubkey.clone()));
+
+        // Add a vote pubkey, the number of references in all_pubkeys
+        // should be 2
+        stats.add_node_pubkey_internal(
+            &node_pubkey,
+            &mut all_pubkeys,
+            &vote_account_pubkeys,
+            &epoch_vote_accounts,
+        );
+        assert!(stats.propagated_node_ids.contains(&node_pubkey));
+        assert_eq!(
+            stats.propagated_validators_stake,
+            staked_vote_accounts as u64
+        );
+        assert_eq!(Rc::strong_count(all_pubkeys.get(&node_pubkey).unwrap()), 2);
+
+        // Adding it again should not change any state
+        stats.add_node_pubkey_internal(
+            &node_pubkey,
+            &mut all_pubkeys,
+            &vote_account_pubkeys,
+            &epoch_vote_accounts,
+        );
+        assert!(stats.propagated_node_ids.contains(&node_pubkey));
+        assert_eq!(
+            stats.propagated_validators_stake,
+            staked_vote_accounts as u64
+        );
+
+        // Addding another pubkey with same vote accounts should succeed, but stake
+        // shouldn't increase
+        node_pubkey = Pubkey::new_rand();
+        stats.add_node_pubkey_internal(
+            &node_pubkey,
+            &mut all_pubkeys,
+            &vote_account_pubkeys,
+            &epoch_vote_accounts,
+        );
+        assert!(stats.propagated_node_ids.contains(&node_pubkey));
+        assert_eq!(
+            stats.propagated_validators_stake,
+            staked_vote_accounts as u64
+        );
+        assert_eq!(Rc::strong_count(all_pubkeys.get(&node_pubkey).unwrap()), 2);
+
+        // Addding another pubkey with different vote accounts should succeed
+        // and increase stake
+        node_pubkey = Pubkey::new_rand();
+        let vote_account_pubkeys: Vec<_> = std::iter::repeat_with(|| Pubkey::new_rand())
+            .take(num_vote_accounts)
+            .collect();
+        let epoch_vote_accounts: HashMap<_, _> = vote_account_pubkeys
+            .iter()
+            .skip(num_vote_accounts - staked_vote_accounts)
+            .map(|pubkey| (*pubkey, (1, Account::default())))
+            .collect();
+        stats.add_node_pubkey_internal(
+            &node_pubkey,
+            &mut all_pubkeys,
+            &vote_account_pubkeys,
+            &epoch_vote_accounts,
+        );
+        assert!(stats.propagated_node_ids.contains(&node_pubkey));
+        assert_eq!(
+            stats.propagated_validators_stake,
+            2 * staked_vote_accounts as u64
+        );
+        assert_eq!(Rc::strong_count(all_pubkeys.get(&node_pubkey).unwrap()), 2);
+    }
+
     #[test]
     fn test_is_propagated_status_on_construction() {
         // If the given ValidatorStakeInfo == None, then this is not
         // a leader slot and is_propagated == false
-        let progress = ForkProgress::new(Hash::default(), Some(9), None);
+        let progress = ForkProgress::new(Hash::default(), Some(9), None, 0, 0);
         assert!(!progress.propagated_stats.is_propagated);
 
         // If the stake is zero, then threshold is always achieved
@@ -303,6 +524,8 @@ mod test {
                 total_epoch_stake: 0,
                 ..ValidatorStakeInfo::default()
             }),
+            0,
+            0,
         );
         assert!(progress.propagated_stats.is_propagated);
 
@@ -315,6 +538,8 @@ mod test {
                 total_epoch_stake: 2,
                 ..ValidatorStakeInfo::default()
             }),
+            0,
+            0,
         );
         assert!(!progress.propagated_stats.is_propagated);
 
@@ -327,6 +552,8 @@ mod test {
                 total_epoch_stake: 2,
                 ..ValidatorStakeInfo::default()
             }),
+            0,
+            0,
         );
         assert!(progress.propagated_stats.is_propagated);
 
@@ -337,6 +564,8 @@ mod test {
             Hash::default(),
             Some(9),
             Some(ValidatorStakeInfo::default()),
+            0,
+            0,
         );
         assert!(!progress.propagated_stats.is_propagated);
     }
@@ -347,10 +576,16 @@ mod test {
 
         // Insert new ForkProgress for slot 10 (not a leader slot) and its
         // previous leader slot 9 (leader slot)
-        progress_map.insert(10, ForkProgress::new(Hash::default(), Some(9), None));
+        progress_map.insert(10, ForkProgress::new(Hash::default(), Some(9), None, 0, 0));
         progress_map.insert(
             9,
-            ForkProgress::new(Hash::default(), None, Some(ValidatorStakeInfo::default())),
+            ForkProgress::new(
+                Hash::default(),
+                None,
+                Some(ValidatorStakeInfo::default()),
+                0,
+                0,
+            ),
         );
 
         // None of these slot have parents which are confirmed
@@ -361,7 +596,7 @@ mod test {
         // The previous leader before 8, slot 7, does not exist in
         // progress map, so is_propagated(8) should return true as
         // this implies the parent is rooted
-        progress_map.insert(8, ForkProgress::new(Hash::default(), Some(7), None));
+        progress_map.insert(8, ForkProgress::new(Hash::default(), Some(7), None, 0, 0));
         assert!(progress_map.is_propagated(8));
 
         // If we set the is_propagated = true, is_propagated should return true

core/src/repair_service.rs

@@ -20,9 +20,31 @@ use std::{
     sync::{Arc, RwLock},
     thread::sleep,
     thread::{self, Builder, JoinHandle},
-    time::Duration,
+    time::{Duration, Instant},
 };
 
+#[derive(Default)]
+pub struct RepairStatsGroup {
+    pub count: u64,
+    pub min: u64,
+    pub max: u64,
+}
+
+impl RepairStatsGroup {
+    pub fn update(&mut self, slot: u64) {
+        self.count += 1;
+        self.min = std::cmp::min(self.min, slot);
+        self.max = std::cmp::max(self.max, slot);
+    }
+}
+
+#[derive(Default)]
+pub struct RepairStats {
+    pub shred: RepairStatsGroup,
+    pub highest_shred: RepairStatsGroup,
+    pub orphan: RepairStatsGroup,
+}
+
 pub const MAX_REPAIR_LENGTH: usize = 512;
 pub const REPAIR_MS: u64 = 100;
 pub const MAX_ORPHANS: usize = 5;
@@ -59,7 +81,7 @@ impl RepairService {
         blockstore: Arc<Blockstore>,
         exit: Arc<AtomicBool>,
         repair_socket: Arc<UdpSocket>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         repair_strategy: RepairStrategy,
         cluster_slots: Arc<ClusterSlots>,
     ) -> Self {
@@ -84,15 +106,24 @@ impl RepairService {
         blockstore: &Blockstore,
         exit: &AtomicBool,
         repair_socket: &UdpSocket,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         repair_strategy: RepairStrategy,
         cluster_slots: &Arc<ClusterSlots>,
     ) {
         let serve_repair = ServeRepair::new(cluster_info.clone());
-        let id = cluster_info.read().unwrap().id();
+        let id = cluster_info.id();
         if let RepairStrategy::RepairAll { .. } = repair_strategy {
             Self::initialize_lowest_slot(id, blockstore, cluster_info);
         }
+        let mut repair_stats = RepairStats::default();
+        let mut last_stats = Instant::now();
+        if let RepairStrategy::RepairAll {
+            ref completed_slots_receiver,
+            ..
+        } = repair_strategy
+        {
+            Self::initialize_epoch_slots(blockstore, cluster_info, completed_slots_receiver);
+        }
         loop {
             if exit.load(Ordering::Relaxed) {
                 break;
@@ -117,14 +148,7 @@ impl RepairService {
                         let new_root = blockstore.last_root();
                         let lowest_slot = blockstore.lowest_slot();
                         Self::update_lowest_slot(&id, lowest_slot, &cluster_info);
-                        Self::update_completed_slots(
-                            &id,
-                            new_root,
-                            &cluster_slots,
-                            blockstore,
-                            completed_slots_receiver,
-                            &cluster_info,
-                        );
+                        Self::update_completed_slots(completed_slots_receiver, &cluster_info);
                         cluster_slots.update(new_root, cluster_info, bank_forks);
                         Self::generate_repairs(blockstore, new_root, MAX_REPAIR_LENGTH)
                     }
@@ -137,7 +161,12 @@ impl RepairService {
                     .into_iter()
                     .filter_map(|repair_request| {
                         serve_repair
-                            .repair_request(&cluster_slots, &repair_request, &mut cache)
+                            .repair_request(
+                                &cluster_slots,
+                                &repair_request,
+                                &mut cache,
+                                &mut repair_stats,
+                            )
                             .map(|result| (result, repair_request))
                             .ok()
                     })
@@ -150,6 +179,24 @@ impl RepairService {
                     });
                 }
             }
+            if last_stats.elapsed().as_secs() > 1 {
+                let repair_total = repair_stats.shred.count
+                    + repair_stats.highest_shred.count
+                    + repair_stats.orphan.count;
+                if repair_total > 0 {
+                    datapoint_info!(
+                        "serve_repair-repair",
+                        ("repair-total", repair_total, i64),
+                        ("shred-count", repair_stats.shred.count, i64),
+                        ("highest-shred-count", repair_stats.highest_shred.count, i64),
+                        ("orphan-count", repair_stats.orphan.count, i64),
+                        ("repair-highest-slot", repair_stats.highest_shred.max, i64),
+                        ("repair-orphan", repair_stats.orphan.max, i64),
+                    );
+                }
+                repair_stats = RepairStats::default();
+                last_stats = Instant::now();
+            }
             sleep(Duration::from_millis(REPAIR_MS));
         }
     }
@@ -261,54 +308,57 @@ impl RepairService {
         }
     }
 
-    fn initialize_lowest_slot(
-        id: Pubkey,
-        blockstore: &Blockstore,
-        cluster_info: &RwLock<ClusterInfo>,
-    ) {
+    fn initialize_lowest_slot(id: Pubkey, blockstore: &Blockstore, cluster_info: &ClusterInfo) {
         // Safe to set into gossip because by this time, the leader schedule cache should
         // also be updated with the latest root (done in blockstore_processor) and thus
         // will provide a schedule to window_service for any incoming shreds up to the
         // last_confirmed_epoch.
-        cluster_info
-            .write()
-            .unwrap()
-            .push_lowest_slot(id, blockstore.lowest_slot());
+        cluster_info.push_lowest_slot(id, blockstore.lowest_slot());
     }
 
     fn update_completed_slots(
-        id: &Pubkey,
-        root: Slot,
-        cluster_slots: &ClusterSlots,
-        blockstore: &Blockstore,
         completed_slots_receiver: &CompletedSlotsReceiver,
-        cluster_info: &RwLock<ClusterInfo>,
+        cluster_info: &ClusterInfo,
     ) {
-        let mine = cluster_slots.collect(id);
         let mut slots: Vec<Slot> = vec![];
         while let Ok(mut more) = completed_slots_receiver.try_recv() {
-            more.retain(|x| !mine.contains(x));
             slots.append(&mut more);
         }
-        blockstore
-            .live_slots_iterator(root)
-            .for_each(|(slot, slot_meta)| {
-                if slot_meta.is_full() && !mine.contains(&slot) {
-                    slots.push(slot)
-                }
-            });
         slots.sort();
-        slots.dedup();
         if !slots.is_empty() {
-            cluster_info.write().unwrap().push_epoch_slots(&slots);
+            cluster_info.push_epoch_slots(&slots);
         }
     }
 
-    fn update_lowest_slot(id: &Pubkey, lowest_slot: Slot, cluster_info: &RwLock<ClusterInfo>) {
-        cluster_info
-            .write()
-            .unwrap()
-            .push_lowest_slot(*id, lowest_slot);
+    fn update_lowest_slot(id: &Pubkey, lowest_slot: Slot, cluster_info: &ClusterInfo) {
+        cluster_info.push_lowest_slot(*id, lowest_slot);
+    }
+
+    fn initialize_epoch_slots(
+        blockstore: &Blockstore,
+        cluster_info: &ClusterInfo,
+        completed_slots_receiver: &CompletedSlotsReceiver,
+    ) {
+        let root = blockstore.last_root();
+        let mut slots: Vec<_> = blockstore
+            .live_slots_iterator(root)
+            .filter_map(|(slot, slot_meta)| {
+                if slot_meta.is_full() {
+                    Some(slot)
+                } else {
+                    None
+                }
+            })
+            .collect();
+
+        while let Ok(mut more) = completed_slots_receiver.try_recv() {
+            slots.append(&mut more);
+        }
+        slots.sort();
+        slots.dedup();
+        if !slots.is_empty() {
+            cluster_info.push_epoch_slots(&slots);
+        }
     }
 
     pub fn join(self) -> thread::Result<()> {
@@ -542,17 +592,13 @@ mod test {
     #[test]
     pub fn test_update_lowest_slot() {
         let node_info = Node::new_localhost_with_pubkey(&Pubkey::default());
-        let cluster_info = RwLock::new(ClusterInfo::new_with_invalid_keypair(
-            node_info.info.clone(),
-        ));
+        let cluster_info = ClusterInfo::new_with_invalid_keypair(node_info.info.clone());
         RepairService::update_lowest_slot(&Pubkey::default(), 5, &cluster_info);
         let lowest = cluster_info
-            .read()
-            .unwrap()
-            .get_lowest_slot_for_node(&Pubkey::default(), None)
-            .unwrap()
-            .0
-            .clone();
+            .get_lowest_slot_for_node(&Pubkey::default(), None, |lowest_slot, _| {
+                lowest_slot.clone()
+            })
+            .unwrap();
         assert_eq!(lowest.lowest, 5);
     }
 }

core/src/retransmit_stage.rs

@@ -38,7 +38,7 @@ const MAX_PACKET_BATCH_SIZE: usize = 100;
 fn retransmit(
     bank_forks: &Arc<RwLock<BankForks>>,
     leader_schedule_cache: &Arc<LeaderScheduleCache>,
-    cluster_info: &Arc<RwLock<ClusterInfo>>,
+    cluster_info: &ClusterInfo,
     r: &Arc<Mutex<PacketReceiver>>,
     sock: &UdpSocket,
     id: u32,
@@ -63,11 +63,8 @@ fn retransmit(
     let mut peers_len = 0;
     let stakes = staking_utils::staked_nodes_at_epoch(&r_bank, bank_epoch);
     let stakes = stakes.map(Arc::new);
-    let (peers, stakes_and_index) = cluster_info
-        .read()
-        .unwrap()
-        .sorted_retransmit_peers_and_stakes(stakes);
-    let me = cluster_info.read().unwrap().my_data();
+    let (peers, stakes_and_index) = cluster_info.sorted_retransmit_peers_and_stakes(stakes);
+    let my_id = cluster_info.id();
     let mut discard_total = 0;
     let mut repair_total = 0;
     let mut retransmit_total = 0;
@@ -88,7 +85,7 @@ fn retransmit(
 
             let mut compute_turbine_peers = Measure::start("turbine_start");
             let (my_index, mut shuffled_stakes_and_index) = ClusterInfo::shuffle_peers_and_index(
-                &me.id,
+                &my_id,
                 &peers,
                 &stakes_and_index,
                 packet.meta.seed,
@@ -154,7 +151,7 @@ pub fn retransmitter(
     sockets: Arc<Vec<UdpSocket>>,
     bank_forks: Arc<RwLock<BankForks>>,
     leader_schedule_cache: &Arc<LeaderScheduleCache>,
-    cluster_info: Arc<RwLock<ClusterInfo>>,
+    cluster_info: Arc<ClusterInfo>,
     r: Arc<Mutex<PacketReceiver>>,
 ) -> Vec<JoinHandle<()>> {
     (0..sockets.len())
@@ -206,7 +203,7 @@ impl RetransmitStage {
         bank_forks: Arc<RwLock<BankForks>>,
         leader_schedule_cache: &Arc<LeaderScheduleCache>,
         blockstore: Arc<Blockstore>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         retransmit_sockets: Arc<Vec<UdpSocket>>,
         repair_socket: Arc<UdpSocket>,
         verified_receiver: CrossbeamReceiver<Vec<Packets>>,
@@ -316,11 +313,11 @@ mod tests {
             .unwrap();
 
         let other = ContactInfo::new_localhost(&Pubkey::new_rand(), 0);
-        let mut cluster_info = ClusterInfo::new_with_invalid_keypair(other);
+        let cluster_info = ClusterInfo::new_with_invalid_keypair(other);
         cluster_info.insert_info(me);
 
         let retransmit_socket = Arc::new(vec![UdpSocket::bind("0.0.0.0:0").unwrap()]);
-        let cluster_info = Arc::new(RwLock::new(cluster_info));
+        let cluster_info = Arc::new(cluster_info);
 
         let (retransmit_sender, retransmit_receiver) = channel();
         let t_retransmit = retransmitter(

core/src/rpc_pubsub.rs

@@ -4,9 +4,16 @@ use crate::rpc_subscriptions::{Confirmations, RpcSubscriptions, SlotInfo};
 use jsonrpc_core::{Error, ErrorCode, Result};
 use jsonrpc_derive::rpc;
 use jsonrpc_pubsub::{typed::Subscriber, Session, SubscriptionId};
-use solana_client::rpc_response::{Response as RpcResponse, RpcAccount, RpcKeyedAccount};
-use solana_sdk::{clock::Slot, pubkey::Pubkey, signature::Signature, transaction};
-use std::sync::{atomic, Arc};
+use solana_client::rpc_response::{
+    Response as RpcResponse, RpcAccount, RpcKeyedAccount, RpcSignatureResult,
+};
+#[cfg(test)]
+use solana_ledger::blockstore::Blockstore;
+use solana_sdk::{clock::Slot, pubkey::Pubkey, signature::Signature};
+use std::{
+    str::FromStr,
+    sync::{atomic, Arc},
+};
 
 // Suppress needless_return due to
 //   https://github.com/paritytech/jsonrpc/blob/2d38e6424d8461cdf72e78425ce67d51af9c6586/derive/src/lib.rs#L204
@@ -74,7 +81,7 @@ pub trait RpcSolPubSub {
     fn signature_subscribe(
         &self,
         meta: Self::Metadata,
-        subscriber: Subscriber<RpcResponse<transaction::Result<()>>>,
+        subscriber: Subscriber<RpcResponse<RpcSignatureResult>>,
         signature_str: String,
         confirmations: Option<Confirmations>,
     );
@@ -116,7 +123,6 @@ pub trait RpcSolPubSub {
     fn root_unsubscribe(&self, meta: Option<Self::Metadata>, id: SubscriptionId) -> Result<bool>;
 }
 
-#[derive(Default)]
 pub struct RpcSolPubSubImpl {
     uid: Arc<atomic::AtomicUsize>,
     subscriptions: Arc<RpcSubscriptions>,
@@ -127,9 +133,14 @@ impl RpcSolPubSubImpl {
         let uid = Arc::new(atomic::AtomicUsize::default());
         Self { uid, subscriptions }
     }
-}
 
-use std::str::FromStr;
+    #[cfg(test)]
+    fn default_with_blockstore(blockstore: Arc<Blockstore>) -> Self {
+        let uid = Arc::new(atomic::AtomicUsize::default());
+        let subscriptions = Arc::new(RpcSubscriptions::default_with_blockstore(blockstore));
+        Self { uid, subscriptions }
+    }
+}
 
 fn param<T: FromStr>(param_str: &str, thing: &str) -> Result<T> {
     param_str.parse::<T>().map_err(|_e| Error {
@@ -225,7 +236,7 @@ impl RpcSolPubSub for RpcSolPubSubImpl {
     fn signature_subscribe(
         &self,
         _meta: Self::Metadata,
-        subscriber: Subscriber<RpcResponse<transaction::Result<()>>>,
+        subscriber: Subscriber<RpcResponse<RpcSignatureResult>>,
         signature_str: String,
         confirmations: Option<Confirmations>,
     ) {
@@ -312,12 +323,19 @@ impl RpcSolPubSub for RpcSolPubSubImpl {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::rpc_subscriptions::tests::robust_poll_or_panic;
+    use crate::{
+        commitment::{BlockCommitment, BlockCommitmentCache},
+        rpc_subscriptions::tests::robust_poll_or_panic,
+    };
     use jsonrpc_core::{futures::sync::mpsc, Response};
     use jsonrpc_pubsub::{PubSubHandler, Session};
+    use serial_test_derive::serial;
     use solana_budget_program::{self, budget_instruction};
-    use solana_ledger::bank_forks::BankForks;
-    use solana_ledger::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use solana_ledger::{
+        bank_forks::BankForks,
+        genesis_utils::{create_genesis_config, GenesisConfigInfo},
+        get_tmp_ledger_path,
+    };
     use solana_runtime::bank::Bank;
     use solana_sdk::{
         pubkey::Pubkey,
@@ -325,7 +343,12 @@ mod tests {
         system_program, system_transaction,
         transaction::{self, Transaction},
     };
-    use std::{sync::RwLock, thread::sleep, time::Duration};
+    use std::{
+        collections::HashMap,
+        sync::{atomic::AtomicBool, RwLock},
+        thread::sleep,
+        time::Duration,
+    };
 
     fn process_transaction_and_notify(
         bank_forks: &Arc<RwLock<BankForks>>,
@@ -347,6 +370,7 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_signature_subscribe() {
         let GenesisConfigInfo {
             genesis_config,
@@ -358,8 +382,17 @@ mod tests {
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
-
-        let rpc = RpcSolPubSubImpl::default();
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let rpc = RpcSolPubSubImpl {
+            subscriptions: Arc::new(RpcSubscriptions::new(
+                &Arc::new(AtomicBool::new(false)),
+                Arc::new(RwLock::new(
+                    BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+                )),
+            )),
+            uid: Arc::new(atomic::AtomicUsize::default()),
+        };
 
         // Test signature subscriptions
         let tx = system_transaction::transfer(&alice, &bob_pubkey, 20, blockhash);
@@ -372,7 +405,7 @@ mod tests {
 
         // Test signature confirmation notification
         let (response, _) = robust_poll_or_panic(receiver);
-        let expected_res: Option<transaction::Result<()>> = Some(Ok(()));
+        let expected_res = RpcSignatureResult { err: None };
         let expected = json!({
            "jsonrpc": "2.0",
            "method": "signatureNotification",
@@ -388,6 +421,7 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_signature_unsubscribe() {
         let GenesisConfigInfo {
             genesis_config,
@@ -398,11 +432,13 @@ mod tests {
         let bank = Bank::new(&genesis_config);
         let arc_bank = Arc::new(bank);
         let blockhash = arc_bank.last_blockhash();
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
 
         let session = create_session();
 
         let mut io = PubSubHandler::default();
-        let rpc = RpcSolPubSubImpl::default();
+        let rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore);
         io.extend_with(rpc.to_delegate());
 
         let tx = system_transaction::transfer(&alice, &bob_pubkey, 20, blockhash);
@@ -436,6 +472,7 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_account_subscribe() {
         let GenesisConfigInfo {
             mut genesis_config,
@@ -456,8 +493,18 @@ mod tests {
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
 
-        let rpc = RpcSolPubSubImpl::default();
+        let rpc = RpcSolPubSubImpl {
+            subscriptions: Arc::new(RpcSubscriptions::new(
+                &Arc::new(AtomicBool::new(false)),
+                Arc::new(RwLock::new(
+                    BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+                )),
+            )),
+            uid: Arc::new(atomic::AtomicUsize::default()),
+        };
         let session = create_session();
         let (subscriber, _id_receiver, receiver) = Subscriber::new_test("accountNotification");
         rpc.account_subscribe(
@@ -540,12 +587,15 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_account_unsubscribe() {
         let bob_pubkey = Pubkey::new_rand();
         let session = create_session();
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
 
         let mut io = PubSubHandler::default();
-        let rpc = RpcSolPubSubImpl::default();
+        let rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore);
 
         io.extend_with(rpc.to_delegate());
 
@@ -589,9 +639,19 @@ mod tests {
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         let bob = Keypair::new();
 
-        let rpc = RpcSolPubSubImpl::default();
+        let mut rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore.clone());
+        let exit = Arc::new(AtomicBool::new(false));
+        let subscriptions = RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        );
+        rpc.subscriptions = Arc::new(subscriptions);
         let session = create_session();
         let (subscriber, _id_receiver, receiver) = Subscriber::new_test("accountNotification");
         rpc.account_subscribe(session, subscriber, bob.pubkey().to_string(), Some(2));
@@ -620,9 +680,18 @@ mod tests {
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         let bob = Keypair::new();
 
-        let rpc = RpcSolPubSubImpl::default();
+        let mut rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore.clone());
+        let exit = Arc::new(AtomicBool::new(false));
+        let block_commitment_cache = Arc::new(RwLock::new(
+            BlockCommitmentCache::new_for_tests_with_blockstore(blockstore.clone()),
+        ));
+
+        let subscriptions = RpcSubscriptions::new(&exit, block_commitment_cache.clone());
+        rpc.subscriptions = Arc::new(subscriptions);
         let session = create_session();
         let (subscriber, _id_receiver, receiver) = Subscriber::new_test("accountNotification");
         rpc.account_subscribe(session, subscriber, bob.pubkey().to_string(), Some(2));
@@ -640,10 +709,39 @@ mod tests {
         let bank0 = bank_forks.read().unwrap()[0].clone();
         let bank1 = Bank::new_from_parent(&bank0, &Pubkey::default(), 1);
         bank_forks.write().unwrap().insert(bank1);
-        rpc.subscriptions.notify_subscribers(1, &bank_forks);
         let bank1 = bank_forks.read().unwrap()[1].clone();
+
+        let mut cache0 = BlockCommitment::default();
+        cache0.increase_confirmation_stake(1, 10);
+        let mut block_commitment = HashMap::new();
+        block_commitment.entry(0).or_insert(cache0.clone());
+        let mut new_block_commitment = BlockCommitmentCache::new(
+            block_commitment,
+            0,
+            10,
+            bank1.clone(),
+            blockstore.clone(),
+            0,
+        );
+        let mut w_block_commitment_cache = block_commitment_cache.write().unwrap();
+        std::mem::swap(&mut *w_block_commitment_cache, &mut new_block_commitment);
+        drop(w_block_commitment_cache);
+
+        rpc.subscriptions.notify_subscribers(1, &bank_forks);
         let bank2 = Bank::new_from_parent(&bank1, &Pubkey::default(), 2);
         bank_forks.write().unwrap().insert(bank2);
+        let bank2 = bank_forks.read().unwrap()[2].clone();
+
+        let mut cache0 = BlockCommitment::default();
+        cache0.increase_confirmation_stake(2, 10);
+        let mut block_commitment = HashMap::new();
+        block_commitment.entry(0).or_insert(cache0.clone());
+        let mut new_block_commitment =
+            BlockCommitmentCache::new(block_commitment, 0, 10, bank2, blockstore.clone(), 0);
+        let mut w_block_commitment_cache = block_commitment_cache.write().unwrap();
+        std::mem::swap(&mut *w_block_commitment_cache, &mut new_block_commitment);
+        drop(w_block_commitment_cache);
+
         rpc.subscriptions.notify_subscribers(2, &bank_forks);
         let expected = json!({
            "jsonrpc": "2.0",
@@ -667,8 +765,11 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_slot_subscribe() {
-        let rpc = RpcSolPubSubImpl::default();
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore);
         let session = create_session();
         let (subscriber, _id_receiver, receiver) = Subscriber::new_test("slotNotification");
         rpc.slot_subscribe(session, subscriber);
@@ -691,8 +792,11 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_slot_unsubscribe() {
-        let rpc = RpcSolPubSubImpl::default();
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let rpc = RpcSolPubSubImpl::default_with_blockstore(blockstore);
         let session = create_session();
         let (subscriber, _id_receiver, receiver) = Subscriber::new_test("slotNotification");
         rpc.slot_subscribe(session, subscriber);

core/src/rpc_pubsub_service.rs

@@ -1,14 +1,20 @@
 //! The `pubsub` module implements a threaded subscription service on client RPC request
 
-use crate::rpc_pubsub::{RpcSolPubSub, RpcSolPubSubImpl};
-use crate::rpc_subscriptions::RpcSubscriptions;
+use crate::{
+    rpc_pubsub::{RpcSolPubSub, RpcSolPubSubImpl},
+    rpc_subscriptions::RpcSubscriptions,
+};
 use jsonrpc_pubsub::{PubSubHandler, Session};
 use jsonrpc_ws_server::{RequestContext, ServerBuilder};
-use std::net::SocketAddr;
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::Arc;
-use std::thread::{self, sleep, Builder, JoinHandle};
-use std::time::Duration;
+use std::{
+    net::SocketAddr,
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc,
+    },
+    thread::{self, sleep, Builder, JoinHandle},
+    time::Duration,
+};
 
 pub struct PubSubService {
     thread_hdl: JoinHandle<()>,
@@ -66,13 +72,25 @@ impl PubSubService {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::net::{IpAddr, Ipv4Addr};
+    use crate::commitment::BlockCommitmentCache;
+    use solana_ledger::{blockstore::Blockstore, get_tmp_ledger_path};
+    use std::{
+        net::{IpAddr, Ipv4Addr},
+        sync::RwLock,
+    };
 
     #[test]
     fn test_pubsub_new() {
         let pubsub_addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), 0);
         let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = Arc::new(RpcSubscriptions::new(&exit));
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let subscriptions = Arc::new(RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        ));
         let pubsub_service = PubSubService::new(&subscriptions, pubsub_addr, &exit);
         let thread = pubsub_service.thread_hdl.thread();
         assert_eq!(thread.name().unwrap(), "solana-pubsub");

core/src/rpc_service.rs

@@ -15,8 +15,9 @@ use solana_ledger::{
     blockstore::Blockstore,
     snapshot_utils,
 };
-use solana_sdk::hash::Hash;
+use solana_sdk::{hash::Hash, pubkey::Pubkey};
 use std::{
+    collections::HashSet,
     net::SocketAddr,
     path::{Path, PathBuf},
     sync::{mpsc::channel, Arc, RwLock},
@@ -24,6 +25,10 @@ use std::{
 };
 use tokio::prelude::Future;
 
+// If trusted validators are specified, consider this validator healthy if its latest account hash
+// is no further behind than this distance from the latest trusted validator account hash
+const HEALTH_CHECK_SLOT_DISTANCE: u64 = 150;
+
 pub struct JsonRpcService {
     thread_hdl: JoinHandle<()>,
 
@@ -37,15 +42,24 @@ struct RpcRequestMiddleware {
     ledger_path: PathBuf,
     snapshot_archive_path_regex: Regex,
     snapshot_config: Option<SnapshotConfig>,
+    cluster_info: Arc<ClusterInfo>,
+    trusted_validators: Option<HashSet<Pubkey>>,
 }
 
 impl RpcRequestMiddleware {
-    pub fn new(ledger_path: PathBuf, snapshot_config: Option<SnapshotConfig>) -> Self {
+    pub fn new(
+        ledger_path: PathBuf,
+        snapshot_config: Option<SnapshotConfig>,
+        cluster_info: Arc<ClusterInfo>,
+        trusted_validators: Option<HashSet<Pubkey>>,
+    ) -> Self {
         Self {
             ledger_path,
             snapshot_archive_path_regex: Regex::new(r"/snapshot-\d+-[[:alnum:]]+\.tar\.bz2$")
                 .unwrap(),
             snapshot_config,
+            cluster_info,
+            trusted_validators,
         }
     }
 
@@ -114,6 +128,63 @@ impl RpcRequestMiddleware {
             ),
         }
     }
+
+    fn health_check(&self) -> &'static str {
+        let response = if let Some(trusted_validators) = &self.trusted_validators {
+            let (latest_account_hash_slot, latest_trusted_validator_account_hash_slot) = {
+                (
+                    self.cluster_info
+                        .get_accounts_hash_for_node(&self.cluster_info.id(), |hashes| {
+                            hashes
+                                .iter()
+                                .max_by(|a, b| a.0.cmp(&b.0))
+                                .map(|slot_hash| slot_hash.0)
+                        })
+                        .flatten()
+                        .unwrap_or(0),
+                    trusted_validators
+                        .iter()
+                        .map(|trusted_validator| {
+                            self.cluster_info
+                                .get_accounts_hash_for_node(&trusted_validator, |hashes| {
+                                    hashes
+                                        .iter()
+                                        .max_by(|a, b| a.0.cmp(&b.0))
+                                        .map(|slot_hash| slot_hash.0)
+                                })
+                                .flatten()
+                                .unwrap_or(0)
+                        })
+                        .max()
+                        .unwrap_or(0),
+                )
+            };
+
+            // This validator is considered healthy if its latest account hash slot is within
+            // `HEALTH_CHECK_SLOT_DISTANCE` of the latest trusted validator's account hash slot
+            if latest_account_hash_slot > 0
+                && latest_trusted_validator_account_hash_slot > 0
+                && latest_account_hash_slot
+                    > latest_trusted_validator_account_hash_slot
+                        .saturating_sub(HEALTH_CHECK_SLOT_DISTANCE)
+            {
+                "ok"
+            } else {
+                warn!(
+                    "health check: me={}, latest trusted_validator={}",
+                    latest_account_hash_slot, latest_trusted_validator_account_hash_slot
+                );
+                "behind"
+            }
+        } else {
+            // No trusted validator point of reference available, so this validator is healthy
+            // because it's running
+            "ok"
+        };
+
+        info!("health check: {}", response);
+        response
+    }
 }
 
 impl RequestMiddleware for RpcRequestMiddleware {
@@ -148,6 +219,16 @@ impl RequestMiddleware for RpcRequestMiddleware {
         }
         if self.is_get_path(request.uri().path()) {
             self.get(request.uri().path())
+        } else if request.uri().path() == "/health" {
+            RequestMiddlewareAction::Respond {
+                should_validate_hosts: true,
+                response: Box::new(jsonrpc_core::futures::future::ok(
+                    hyper::Response::builder()
+                        .status(hyper::StatusCode::OK)
+                        .body(hyper::Body::from(self.health_check()))
+                        .unwrap(),
+                )),
+            }
         } else {
             RequestMiddlewareAction::Proceed {
                 should_continue_on_invalid_cors: false,
@@ -166,11 +247,12 @@ impl JsonRpcService {
         bank_forks: Arc<RwLock<BankForks>>,
         block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
         blockstore: Arc<Blockstore>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         genesis_hash: Hash,
         ledger_path: &Path,
         storage_state: StorageState,
         validator_exit: Arc<RwLock<Option<ValidatorExit>>>,
+        trusted_validators: Option<HashSet<Pubkey>>,
     ) -> Self {
         info!("rpc bound to {:?}", rpc_addr);
         info!("rpc configuration: {:?}", config);
@@ -196,20 +278,35 @@ impl JsonRpcService {
                 let rpc = RpcSolImpl;
                 io.extend_with(rpc.to_delegate());
 
-                let server =
-                    ServerBuilder::with_meta_extractor(io, move |_req: &hyper::Request<hyper::Body>| Meta {
+                let request_middleware = RpcRequestMiddleware::new(
+                    ledger_path,
+                    snapshot_config,
+                    cluster_info.clone(),
+                    trusted_validators,
+                );
+                let server = ServerBuilder::with_meta_extractor(
+                    io,
+                    move |_req: &hyper::Request<hyper::Body>| Meta {
                         request_processor: request_processor.clone(),
                         cluster_info: cluster_info.clone(),
-                        genesis_hash
-                    }).threads(4)
-                        .cors(DomainsValidation::AllowOnly(vec![
-                            AccessControlAllowOrigin::Any,
-                        ]))
-                        .cors_max_age(86400)
-                        .request_middleware(RpcRequestMiddleware::new(ledger_path, snapshot_config))
-                        .start_http(&rpc_addr);
+                        genesis_hash,
+                    },
+                )
+                .threads(num_cpus::get())
+                .cors(DomainsValidation::AllowOnly(vec![
+                    AccessControlAllowOrigin::Any,
+                ]))
+                .cors_max_age(86400)
+                .request_middleware(request_middleware)
+                .start_http(&rpc_addr);
+
                 if let Err(e) = server {
-                    warn!("JSON RPC service unavailable error: {:?}. \nAlso, check that port {} is not already in use by another application", e, rpc_addr.port());
+                    warn!(
+                        "JSON RPC service unavailable error: {:?}. \n\
+                           Also, check that port {} is not already in use by another application",
+                        e,
+                        rpc_addr.port()
+                    );
                     return;
                 }
 
@@ -248,7 +345,11 @@ impl JsonRpcService {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{contact_info::ContactInfo, rpc::tests::create_validator_exit};
+    use crate::{
+        contact_info::ContactInfo,
+        crds_value::{CrdsData, CrdsValue, SnapshotHash},
+        rpc::tests::create_validator_exit,
+    };
     use solana_ledger::{
         genesis_utils::{create_genesis_config, GenesisConfigInfo},
         get_tmp_ledger_path,
@@ -268,30 +369,31 @@ mod tests {
         let exit = Arc::new(AtomicBool::new(false));
         let validator_exit = create_validator_exit(&exit);
         let bank = Bank::new(&genesis_config);
-        let cluster_info = Arc::new(RwLock::new(ClusterInfo::new_with_invalid_keypair(
-            ContactInfo::default(),
-        )));
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(ContactInfo::default()));
         let ip_addr = IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0));
         let rpc_addr = SocketAddr::new(
             ip_addr,
             solana_net_utils::find_available_port_in_range(ip_addr, (10000, 65535)).unwrap(),
         );
         let bank_forks = Arc::new(RwLock::new(BankForks::new(bank.slot(), bank)));
-        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::default()));
         let ledger_path = get_tmp_ledger_path!();
-        let blockstore = Blockstore::open(&ledger_path).unwrap();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let block_commitment_cache = Arc::new(RwLock::new(
+            BlockCommitmentCache::default_with_blockstore(blockstore.clone()),
+        ));
         let mut rpc_service = JsonRpcService::new(
             rpc_addr,
             JsonRpcConfig::default(),
             None,
             bank_forks,
             block_commitment_cache,
-            Arc::new(blockstore),
+            blockstore,
             cluster_info,
             Hash::default(),
             &PathBuf::from("farf"),
             StorageState::default(),
             validator_exit,
+            None,
         );
         let thread = rpc_service.thread_hdl.thread();
         assert_eq!(thread.name().unwrap(), "solana-jsonrpc");
@@ -312,7 +414,9 @@ mod tests {
 
     #[test]
     fn test_is_get_path() {
-        let rrm = RpcRequestMiddleware::new(PathBuf::from("/"), None);
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(ContactInfo::default()));
+
+        let rrm = RpcRequestMiddleware::new(PathBuf::from("/"), None, cluster_info.clone(), None);
         let rrm_with_snapshot_config = RpcRequestMiddleware::new(
             PathBuf::from("/"),
             Some(SnapshotConfig {
@@ -320,6 +424,8 @@ mod tests {
                 snapshot_package_output_path: PathBuf::from("/"),
                 snapshot_path: PathBuf::from("/"),
             }),
+            cluster_info,
+            None,
         );
 
         assert!(rrm.is_get_path("/genesis.tar.bz2"));
@@ -341,4 +447,84 @@ mod tests {
         assert!(!rrm.is_get_path(".."));
         assert!(!rrm.is_get_path("🎣"));
     }
+
+    #[test]
+    fn test_health_check_with_no_trusted_validators() {
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(ContactInfo::default()));
+
+        let rm = RpcRequestMiddleware::new(PathBuf::from("/"), None, cluster_info.clone(), None);
+        assert_eq!(rm.health_check(), "ok");
+    }
+
+    #[test]
+    fn test_health_check_with_trusted_validators() {
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(ContactInfo::default()));
+
+        let trusted_validators = vec![Pubkey::new_rand(), Pubkey::new_rand(), Pubkey::new_rand()];
+        let rm = RpcRequestMiddleware::new(
+            PathBuf::from("/"),
+            None,
+            cluster_info.clone(),
+            Some(trusted_validators.clone().into_iter().collect()),
+        );
+
+        // No account hashes for this node or any trusted validators == "behind"
+        assert_eq!(rm.health_check(), "behind");
+
+        // No account hashes for any trusted validators == "behind"
+        cluster_info.push_accounts_hashes(vec![(1000, Hash::default()), (900, Hash::default())]);
+        assert_eq!(rm.health_check(), "behind");
+
+        // This node is ahead of the trusted validators == "ok"
+        cluster_info
+            .gossip
+            .write()
+            .unwrap()
+            .crds
+            .insert(
+                CrdsValue::new_unsigned(CrdsData::AccountsHashes(SnapshotHash::new(
+                    trusted_validators[0].clone(),
+                    vec![
+                        (1, Hash::default()),
+                        (1001, Hash::default()),
+                        (2, Hash::default()),
+                    ],
+                ))),
+                1,
+            )
+            .unwrap();
+        assert_eq!(rm.health_check(), "ok");
+
+        // Node is slightly behind the trusted validators == "ok"
+        cluster_info
+            .gossip
+            .write()
+            .unwrap()
+            .crds
+            .insert(
+                CrdsValue::new_unsigned(CrdsData::AccountsHashes(SnapshotHash::new(
+                    trusted_validators[1].clone(),
+                    vec![(1000 + HEALTH_CHECK_SLOT_DISTANCE - 1, Hash::default())],
+                ))),
+                1,
+            )
+            .unwrap();
+        assert_eq!(rm.health_check(), "ok");
+
+        // Node is far behind the trusted validators == "behind"
+        cluster_info
+            .gossip
+            .write()
+            .unwrap()
+            .crds
+            .insert(
+                CrdsValue::new_unsigned(CrdsData::AccountsHashes(SnapshotHash::new(
+                    trusted_validators[2].clone(),
+                    vec![(1000 + HEALTH_CHECK_SLOT_DISTANCE, Hash::default())],
+                ))),
+                1,
+            )
+            .unwrap();
+        assert_eq!(rm.health_check(), "behind");
+    }
 }

core/src/rpc_subscriptions.rs

@@ -1,5 +1,6 @@
 //! The `pubsub` module implements a threaded subscription service on client RPC request
 
+use crate::commitment::BlockCommitmentCache;
 use core::hash::Hash;
 use jsonrpc_core::futures::Future;
 use jsonrpc_pubsub::{
@@ -7,18 +8,23 @@ use jsonrpc_pubsub::{
     SubscriptionId,
 };
 use serde::Serialize;
-use solana_client::rpc_response::{Response, RpcAccount, RpcKeyedAccount, RpcResponseContext};
-use solana_ledger::bank_forks::BankForks;
+use solana_client::rpc_response::{
+    Response, RpcAccount, RpcKeyedAccount, RpcResponseContext, RpcSignatureResult,
+};
+use solana_ledger::{bank_forks::BankForks, blockstore::Blockstore};
 use solana_runtime::bank::Bank;
 use solana_sdk::{
     account::Account, clock::Slot, pubkey::Pubkey, signature::Signature, transaction,
 };
 use solana_vote_program::vote_state::MAX_LOCKOUT_HISTORY;
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::mpsc::{Receiver, RecvTimeoutError, SendError, Sender};
+use std::sync::{
+    atomic::{AtomicBool, Ordering},
+    mpsc::{Receiver, RecvTimeoutError, SendError, Sender},
+};
 use std::thread::{Builder, JoinHandle};
 use std::time::Duration;
 use std::{
+    cmp::min,
     collections::{HashMap, HashSet},
     iter,
     sync::{Arc, Mutex, RwLock},
@@ -62,7 +68,7 @@ type RpcProgramSubscriptions = RwLock<
 type RpcSignatureSubscriptions = RwLock<
     HashMap<
         Signature,
-        HashMap<SubscriptionId, (Sink<Response<transaction::Result<()>>>, Confirmations)>,
+        HashMap<SubscriptionId, (Sink<Response<RpcSignatureResult>>, Confirmations)>,
     >,
 >;
 type RpcSlotSubscriptions = RwLock<HashMap<SubscriptionId, Sink<SlotInfo>>>;
@@ -80,11 +86,7 @@ fn add_subscription<K, S>(
 {
     let sink = subscriber.assign_id(sub_id.clone()).unwrap();
     let confirmations = confirmations.unwrap_or(0);
-    let confirmations = if confirmations > MAX_LOCKOUT_HISTORY {
-        MAX_LOCKOUT_HISTORY
-    } else {
-        confirmations
-    };
+    let confirmations = min(confirmations, MAX_LOCKOUT_HISTORY + 1);
     if let Some(current_hashmap) = subscriptions.get_mut(&hashmap_key) {
         current_hashmap.insert(sub_id, (sink, confirmations));
         return;
@@ -120,8 +122,8 @@ where
 fn check_confirmations_and_notify<K, S, B, F, X>(
     subscriptions: &HashMap<K, HashMap<SubscriptionId, (Sink<Response<S>>, Confirmations)>>,
     hashmap_key: &K,
-    current_slot: Slot,
     bank_forks: &Arc<RwLock<BankForks>>,
+    block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
     bank_method: B,
     filter_results: F,
     notifier: &RpcNotifier,
@@ -133,6 +135,10 @@ where
     F: Fn(X, u64) -> Box<dyn Iterator<Item = S>>,
     X: Clone + Serialize,
 {
+    let mut confirmation_slots: HashMap<usize, Slot> = HashMap::new();
+    let r_block_commitment_cache = block_commitment_cache.read().unwrap();
+    let current_slot = r_block_commitment_cache.slot();
+    let root = r_block_commitment_cache.root();
     let current_ancestors = bank_forks
         .read()
         .unwrap()
@@ -140,27 +146,29 @@ where
         .unwrap()
         .ancestors
         .clone();
+    for (slot, _) in current_ancestors.iter() {
+        if let Some(confirmations) = r_block_commitment_cache.get_confirmation_count(*slot) {
+            confirmation_slots.entry(confirmations).or_insert(*slot);
+        }
+    }
+    drop(r_block_commitment_cache);
 
     let mut notified_set: HashSet<SubscriptionId> = HashSet::new();
     if let Some(hashmap) = subscriptions.get(hashmap_key) {
         for (sub_id, (sink, confirmations)) in hashmap.iter() {
-            let desired_slot: Vec<u64> = current_ancestors
-                .iter()
-                .filter(|(_, &v)| v == *confirmations)
-                .map(|(k, _)| k)
-                .cloned()
-                .collect();
-            let root: Vec<u64> = current_ancestors
-                .iter()
-                .filter(|(_, &v)| v == 32)
-                .map(|(k, _)| k)
-                .cloned()
-                .collect();
-            let root = if root.len() == 1 { root[0] } else { 0 };
-            if desired_slot.len() == 1 {
-                let slot = desired_slot[0];
-                let desired_bank = bank_forks.read().unwrap().get(slot).unwrap().clone();
-                let results = bank_method(&desired_bank, hashmap_key);
+            let desired_slot = if *confirmations == 0 {
+                Some(&current_slot)
+            } else if *confirmations == MAX_LOCKOUT_HISTORY + 1 {
+                Some(&root)
+            } else {
+                confirmation_slots.get(confirmations)
+            };
+            if let Some(&slot) = desired_slot {
+                let results = {
+                    let bank_forks = bank_forks.read().unwrap();
+                    let desired_bank = bank_forks.get(slot).unwrap();
+                    bank_method(&desired_bank, hashmap_key)
+                };
                 for result in filter_results(results, root) {
                     notifier.notify(
                         Response {
@@ -201,11 +209,15 @@ fn filter_account_result(
     Box::new(iter::empty())
 }
 
-fn filter_signature_result<S>(result: Option<S>, _root: Slot) -> Box<dyn Iterator<Item = S>>
-where
-    S: 'static + Clone + Serialize,
-{
-    Box::new(result.into_iter())
+fn filter_signature_result(
+    result: Option<transaction::Result<()>>,
+    _root: Slot,
+) -> Box<dyn Iterator<Item = RpcSignatureResult>> {
+    Box::new(
+        result
+            .into_iter()
+            .map(|result| RpcSignatureResult { err: result.err() }),
+    )
 }
 
 fn filter_program_results(
@@ -234,12 +246,6 @@ pub struct RpcSubscriptions {
     exit: Arc<AtomicBool>,
 }
 
-impl Default for RpcSubscriptions {
-    fn default() -> Self {
-        Self::new(&Arc::new(AtomicBool::new(false)))
-    }
-}
-
 impl Drop for RpcSubscriptions {
     fn drop(&mut self) {
         self.shutdown().unwrap_or_else(|err| {
@@ -249,7 +255,10 @@ impl Drop for RpcSubscriptions {
 }
 
 impl RpcSubscriptions {
-    pub fn new(exit: &Arc<AtomicBool>) -> Self {
+    pub fn new(
+        exit: &Arc<AtomicBool>,
+        block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
+    ) -> Self {
         let (notification_sender, notification_receiver): (
             Sender<NotificationEntry>,
             Receiver<NotificationEntry>,
@@ -288,6 +297,7 @@ impl RpcSubscriptions {
                     signature_subscriptions_clone,
                     slot_subscriptions_clone,
                     root_subscriptions_clone,
+                    block_commitment_cache,
                 );
             })
             .unwrap();
@@ -305,10 +315,19 @@ impl RpcSubscriptions {
         }
     }
 
+    pub fn default_with_blockstore(blockstore: Arc<Blockstore>) -> Self {
+        Self::new(
+            &Arc::new(AtomicBool::new(false)),
+            Arc::new(RwLock::new(BlockCommitmentCache::default_with_blockstore(
+                blockstore,
+            ))),
+        )
+    }
+
     fn check_account(
         pubkey: &Pubkey,
-        current_slot: Slot,
         bank_forks: &Arc<RwLock<BankForks>>,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
         account_subscriptions: Arc<RpcAccountSubscriptions>,
         notifier: &RpcNotifier,
     ) {
@@ -316,8 +335,8 @@ impl RpcSubscriptions {
         check_confirmations_and_notify(
             &subscriptions,
             pubkey,
-            current_slot,
             bank_forks,
+            block_commitment_cache,
             Bank::get_account_modified_since_parent,
             filter_account_result,
             notifier,
@@ -326,8 +345,8 @@ impl RpcSubscriptions {
 
     fn check_program(
         program_id: &Pubkey,
-        current_slot: Slot,
         bank_forks: &Arc<RwLock<BankForks>>,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
         program_subscriptions: Arc<RpcProgramSubscriptions>,
         notifier: &RpcNotifier,
     ) {
@@ -335,8 +354,8 @@ impl RpcSubscriptions {
         check_confirmations_and_notify(
             &subscriptions,
             program_id,
-            current_slot,
             bank_forks,
+            block_commitment_cache,
             Bank::get_program_accounts_modified_since_parent,
             filter_program_results,
             notifier,
@@ -345,8 +364,8 @@ impl RpcSubscriptions {
 
     fn check_signature(
         signature: &Signature,
-        current_slot: Slot,
         bank_forks: &Arc<RwLock<BankForks>>,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
         signature_subscriptions: Arc<RpcSignatureSubscriptions>,
         notifier: &RpcNotifier,
     ) {
@@ -354,8 +373,8 @@ impl RpcSubscriptions {
         let notified_ids = check_confirmations_and_notify(
             &subscriptions,
             signature,
-            current_slot,
             bank_forks,
+            block_commitment_cache,
             Bank::get_signature_status_processed_since_parent,
             filter_signature_result,
             notifier,
@@ -417,7 +436,7 @@ impl RpcSubscriptions {
         signature: Signature,
         confirmations: Option<Confirmations>,
         sub_id: SubscriptionId,
-        subscriber: Subscriber<Response<transaction::Result<()>>>,
+        subscriber: Subscriber<Response<RpcSignatureResult>>,
     ) {
         let mut subscriptions = self.signature_subscriptions.write().unwrap();
         add_subscription(
@@ -499,6 +518,7 @@ impl RpcSubscriptions {
         signature_subscriptions: Arc<RpcSignatureSubscriptions>,
         slot_subscriptions: Arc<RpcSlotSubscriptions>,
         root_subscriptions: Arc<RpcRootSubscriptions>,
+        block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
     ) {
         loop {
             if exit.load(Ordering::Relaxed) {
@@ -518,7 +538,7 @@ impl RpcSubscriptions {
                             notifier.notify(root, sink);
                         }
                     }
-                    NotificationEntry::Bank((current_slot, bank_forks)) => {
+                    NotificationEntry::Bank((_current_slot, bank_forks)) => {
                         let pubkeys: Vec<_> = {
                             let subs = account_subscriptions.read().unwrap();
                             subs.keys().cloned().collect()
@@ -526,8 +546,8 @@ impl RpcSubscriptions {
                         for pubkey in &pubkeys {
                             Self::check_account(
                                 pubkey,
-                                current_slot,
                                 &bank_forks,
+                                &block_commitment_cache,
                                 account_subscriptions.clone(),
                                 &notifier,
                             );
@@ -540,8 +560,8 @@ impl RpcSubscriptions {
                         for program_id in &programs {
                             Self::check_program(
                                 program_id,
-                                current_slot,
                                 &bank_forks,
+                                &block_commitment_cache,
                                 program_subscriptions.clone(),
                                 &notifier,
                             );
@@ -554,8 +574,8 @@ impl RpcSubscriptions {
                         for signature in &signatures {
                             Self::check_signature(
                                 signature,
-                                current_slot,
                                 &bank_forks,
+                                &block_commitment_cache,
                                 signature_subscriptions.clone(),
                                 &notifier,
                             );
@@ -596,10 +616,16 @@ impl RpcSubscriptions {
 #[cfg(test)]
 pub(crate) mod tests {
     use super::*;
+    use crate::commitment::BlockCommitment;
     use jsonrpc_core::futures::{self, stream::Stream};
     use jsonrpc_pubsub::typed::Subscriber;
+    use serial_test_derive::serial;
     use solana_budget_program;
-    use solana_ledger::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use solana_ledger::{
+        blockstore::Blockstore,
+        genesis_utils::{create_genesis_config, GenesisConfigInfo},
+        get_tmp_ledger_path,
+    };
     use solana_sdk::{
         signature::{Keypair, Signer},
         system_transaction,
@@ -633,12 +659,15 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_check_account_subscribe() {
         let GenesisConfigInfo {
             genesis_config,
             mint_keypair,
             ..
         } = create_genesis_config(100);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
@@ -663,7 +692,12 @@ pub(crate) mod tests {
             Subscriber::new_test("accountNotification");
         let sub_id = SubscriptionId::Number(0 as u64);
         let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = RpcSubscriptions::new(&exit);
+        let subscriptions = RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        );
         subscriptions.add_account_subscription(alice.pubkey(), None, sub_id.clone(), subscriber);
 
         assert!(subscriptions
@@ -702,12 +736,15 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_check_program_subscribe() {
         let GenesisConfigInfo {
             genesis_config,
             mint_keypair,
             ..
         } = create_genesis_config(100);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank)));
@@ -732,7 +769,12 @@ pub(crate) mod tests {
             Subscriber::new_test("programNotification");
         let sub_id = SubscriptionId::Number(0 as u64);
         let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = RpcSubscriptions::new(&exit);
+        let subscriptions = RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        );
         subscriptions.add_program_subscription(
             solana_budget_program::id(),
             None,
@@ -779,12 +821,15 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_check_signature_subscribe() {
         let GenesisConfigInfo {
             genesis_config,
             mint_keypair,
             ..
         } = create_genesis_config(100);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
         let bank = Bank::new(&genesis_config);
         let blockhash = bank.last_blockhash();
         let mut bank_forks = BankForks::new(0, bank);
@@ -812,27 +857,42 @@ pub(crate) mod tests {
             .unwrap()
             .process_transaction(&processed_tx)
             .unwrap();
+        let bank1 = bank_forks[1].clone();
 
         let bank_forks = Arc::new(RwLock::new(bank_forks));
 
-        let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = RpcSubscriptions::new(&exit);
+        let mut cache0 = BlockCommitment::default();
+        cache0.increase_confirmation_stake(1, 10);
+        let cache1 = BlockCommitment::default();
 
-        let (past_bank_sub, _id_receiver, past_bank_recv) =
+        let mut block_commitment = HashMap::new();
+        block_commitment.entry(0).or_insert(cache0.clone());
+        block_commitment.entry(1).or_insert(cache1.clone());
+        let block_commitment_cache =
+            BlockCommitmentCache::new(block_commitment, 0, 10, bank1, blockstore, 0);
+
+        let exit = Arc::new(AtomicBool::new(false));
+        let subscriptions =
+            RpcSubscriptions::new(&exit, Arc::new(RwLock::new(block_commitment_cache)));
+
+        let (past_bank_sub1, _id_receiver, past_bank_recv1) =
+            Subscriber::new_test("signatureNotification");
+        let (past_bank_sub2, _id_receiver, past_bank_recv2) =
             Subscriber::new_test("signatureNotification");
         let (processed_sub, _id_receiver, processed_recv) =
             Subscriber::new_test("signatureNotification");
+
         subscriptions.add_signature_subscription(
             past_bank_tx.signatures[0],
             Some(0),
             SubscriptionId::Number(1 as u64),
-            Subscriber::new_test("signatureNotification").0,
+            past_bank_sub1,
         );
         subscriptions.add_signature_subscription(
             past_bank_tx.signatures[0],
             Some(1),
             SubscriptionId::Number(2 as u64),
-            past_bank_sub,
+            past_bank_sub2,
         );
         subscriptions.add_signature_subscription(
             processed_tx.signatures[0],
@@ -855,43 +915,48 @@ pub(crate) mod tests {
         }
 
         subscriptions.notify_subscribers(1, &bank_forks);
-        let expected_res: Option<transaction::Result<()>> = Some(Ok(()));
+        let expected_res = RpcSignatureResult { err: None };
 
-        let expected = json!({
-            "jsonrpc": "2.0",
-            "method": "signatureNotification",
-            "params": {
-                "result": {
-                    "context": { "slot": 0 },
-                    "value": expected_res,
-                },
-                "subscription": 2,
-            }
-        });
-        let (response, _) = robust_poll_or_panic(past_bank_recv);
-        assert_eq!(serde_json::to_string(&expected).unwrap(), response);
+        struct Notification {
+            slot: Slot,
+            id: u64,
+        }
 
-        let expected = json!({
-            "jsonrpc": "2.0",
-            "method": "signatureNotification",
-            "params": {
-                "result": {
-                    "context": { "slot": 1 },
-                    "value": expected_res,
-                },
-                "subscription": 3,
-            }
-        });
+        let expected_notification = |exp: Notification| -> String {
+            let json = json!({
+                "jsonrpc": "2.0",
+                "method": "signatureNotification",
+                "params": {
+                    "result": {
+                        "context": { "slot": exp.slot },
+                        "value": &expected_res,
+                    },
+                    "subscription": exp.id,
+                }
+            });
+            serde_json::to_string(&json).unwrap()
+        };
+
+        // Expect to receive a notification from bank 1 because this subscription is
+        // looking for 0 confirmations and so checks the current bank
+        let expected = expected_notification(Notification { slot: 1, id: 1 });
+        let (response, _) = robust_poll_or_panic(past_bank_recv1);
+        assert_eq!(expected, response);
+
+        // Expect to receive a notification from bank 0 because this subscription is
+        // looking for 1 confirmation and so checks the past bank
+        let expected = expected_notification(Notification { slot: 0, id: 2 });
+        let (response, _) = robust_poll_or_panic(past_bank_recv2);
+        assert_eq!(expected, response);
+
+        let expected = expected_notification(Notification { slot: 1, id: 3 });
         let (response, _) = robust_poll_or_panic(processed_recv);
-        assert_eq!(serde_json::to_string(&expected).unwrap(), response);
-
-        let sig_subs = subscriptions.signature_subscriptions.read().unwrap();
+        assert_eq!(expected, response);
 
         // Subscription should be automatically removed after notification
+        let sig_subs = subscriptions.signature_subscriptions.read().unwrap();
         assert!(!sig_subs.contains_key(&processed_tx.signatures[0]));
-
-        // Only one notification is expected for signature processed in previous bank
-        assert_eq!(sig_subs.get(&past_bank_tx.signatures[0]).unwrap().len(), 1);
+        assert!(!sig_subs.contains_key(&past_bank_tx.signatures[0]));
 
         // Unprocessed signature subscription should not be removed
         assert_eq!(
@@ -901,12 +966,20 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_check_slot_subscribe() {
         let (subscriber, _id_receiver, transport_receiver) =
             Subscriber::new_test("slotNotification");
         let sub_id = SubscriptionId::Number(0 as u64);
         let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = RpcSubscriptions::new(&exit);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let subscriptions = RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        );
         subscriptions.add_slot_subscription(sub_id.clone(), subscriber);
 
         assert!(subscriptions
@@ -939,12 +1012,20 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_check_root_subscribe() {
         let (subscriber, _id_receiver, mut transport_receiver) =
             Subscriber::new_test("rootNotification");
         let sub_id = SubscriptionId::Number(0 as u64);
         let exit = Arc::new(AtomicBool::new(false));
-        let subscriptions = RpcSubscriptions::new(&exit);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let subscriptions = RpcSubscriptions::new(
+            &exit,
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
+        );
         subscriptions.add_root_subscription(sub_id.clone(), subscriber);
 
         assert!(subscriptions
@@ -976,6 +1057,7 @@ pub(crate) mod tests {
     }
 
     #[test]
+    #[serial]
     fn test_add_and_remove_subscription() {
         let mut subscriptions: HashMap<u64, HashMap<SubscriptionId, (Sink<()>, Confirmations)>> =
             HashMap::new();

core/src/serve_repair.rs

@@ -2,11 +2,13 @@ use crate::{
     cluster_info::{ClusterInfo, ClusterInfoError},
     cluster_slots::ClusterSlots,
     contact_info::ContactInfo,
+    repair_service::RepairStats,
     result::{Error, Result},
     weighted_shuffle::weighted_best,
 };
 use bincode::serialize;
 use solana_ledger::blockstore::Blockstore;
+use solana_measure::measure::Measure;
 use solana_measure::thread_mem_usage;
 use solana_metrics::{datapoint_debug, inc_new_counter_debug};
 use solana_perf::packet::{limited_deserialize, Packet, Packets, PacketsRecycler};
@@ -46,6 +48,17 @@ impl RepairType {
     }
 }
 
+#[derive(Default)]
+pub struct ServeRepairStats {
+    pub total_packets: usize,
+    pub dropped_packets: usize,
+    pub processed: usize,
+    pub self_repair: usize,
+    pub window_index: usize,
+    pub highest_window_index: usize,
+    pub orphan: usize,
+}
+
 /// Window protocol messages
 #[derive(Serialize, Deserialize, Debug)]
 enum RepairProtocol {
@@ -59,7 +72,7 @@ pub struct ServeRepair {
     /// set the keypair that will be used to sign repair responses
     keypair: Arc<Keypair>,
     my_info: ContactInfo,
-    cluster_info: Arc<RwLock<ClusterInfo>>,
+    cluster_info: Arc<ClusterInfo>,
 }
 
 type RepairCache = HashMap<Slot, (Vec<ContactInfo>, Vec<(u64, usize)>)>;
@@ -67,16 +80,13 @@ type RepairCache = HashMap<Slot, (Vec<ContactInfo>, Vec<(u64, usize)>)>;
 impl ServeRepair {
     /// Without a valid keypair gossip will not function. Only useful for tests.
     pub fn new_with_invalid_keypair(contact_info: ContactInfo) -> Self {
-        Self::new(Arc::new(RwLock::new(
-            ClusterInfo::new_with_invalid_keypair(contact_info),
+        Self::new(Arc::new(ClusterInfo::new_with_invalid_keypair(
+            contact_info,
         )))
     }
 
-    pub fn new(cluster_info: Arc<RwLock<ClusterInfo>>) -> Self {
-        let (keypair, my_info) = {
-            let r_cluster_info = cluster_info.read().unwrap();
-            (r_cluster_info.keypair.clone(), r_cluster_info.my_data())
-        };
+    pub fn new(cluster_info: Arc<ClusterInfo>) -> Self {
+        let (keypair, my_info) = { (cluster_info.keypair.clone(), cluster_info.my_contact_info()) };
         Self {
             keypair,
             my_info,
@@ -106,6 +116,7 @@ impl ServeRepair {
         from_addr: &SocketAddr,
         blockstore: Option<&Arc<Blockstore>>,
         request: RepairProtocol,
+        stats: &mut ServeRepairStats,
     ) -> Option<Packets> {
         let now = Instant::now();
 
@@ -113,18 +124,14 @@ impl ServeRepair {
         let my_id = me.read().unwrap().keypair.pubkey();
         let from = Self::get_repair_sender(&request);
         if from.id == my_id {
-            warn!(
-                "{}: Ignored received repair request from ME {}",
-                my_id, from.id,
-            );
-            inc_new_counter_debug!("serve_repair-handle-repair--eq", 1);
+            stats.self_repair += 1;
             return None;
         }
 
         let (res, label) = {
             match &request {
                 RepairProtocol::WindowIndex(from, slot, shred_index) => {
-                    inc_new_counter_debug!("serve_repair-request-window-index", 1);
+                    stats.window_index += 1;
                     (
                         Self::run_window_request(
                             recycler,
@@ -140,7 +147,7 @@ impl ServeRepair {
                 }
 
                 RepairProtocol::HighestWindowIndex(_, slot, highest_index) => {
-                    inc_new_counter_debug!("serve_repair-request-highest-window-index", 1);
+                    stats.highest_window_index += 1;
                     (
                         Self::run_highest_window_request(
                             recycler,
@@ -153,7 +160,7 @@ impl ServeRepair {
                     )
                 }
                 RepairProtocol::Orphan(_, slot) => {
-                    inc_new_counter_debug!("serve_repair-request-orphan", 1);
+                    stats.orphan += 1;
                     (
                         Self::run_orphan(
                             recycler,
@@ -187,15 +194,71 @@ impl ServeRepair {
         blockstore: Option<&Arc<Blockstore>>,
         requests_receiver: &PacketReceiver,
         response_sender: &PacketSender,
+        stats: &mut ServeRepairStats,
+        max_packets: &mut usize,
     ) -> Result<()> {
         //TODO cache connections
         let timeout = Duration::new(1, 0);
-        let reqs = requests_receiver.recv_timeout(timeout)?;
+        let mut reqs_v = vec![requests_receiver.recv_timeout(timeout)?];
+        let mut total_packets = reqs_v[0].packets.len();
 
-        Self::handle_packets(obj, &recycler, blockstore, reqs, response_sender);
+        let mut dropped_packets = 0;
+        while let Ok(more) = requests_receiver.try_recv() {
+            total_packets += more.packets.len();
+            if total_packets < *max_packets {
+                // Drop the rest in the channel in case of dos
+                reqs_v.push(more);
+            } else {
+                dropped_packets += more.packets.len();
+            }
+        }
+
+        stats.dropped_packets += dropped_packets;
+        stats.total_packets += total_packets;
+
+        let mut time = Measure::start("repair::handle_packets");
+        for reqs in reqs_v {
+            Self::handle_packets(obj, &recycler, blockstore, reqs, response_sender, stats);
+        }
+        time.stop();
+        if total_packets >= *max_packets {
+            if time.as_ms() > 1000 {
+                *max_packets = (*max_packets * 9) / 10;
+            } else {
+                *max_packets = (*max_packets * 10) / 9;
+            }
+        }
         Ok(())
     }
 
+    fn report_reset_stats(me: &Arc<RwLock<Self>>, stats: &mut ServeRepairStats) {
+        if stats.self_repair > 0 {
+            let my_id = me.read().unwrap().keypair.pubkey();
+            warn!(
+                "{}: Ignored received repair requests from ME: {}",
+                my_id, stats.self_repair,
+            );
+            inc_new_counter_debug!("serve_repair-handle-repair--eq", stats.self_repair);
+        }
+
+        inc_new_counter_info!("serve_repair-total_packets", stats.total_packets);
+        inc_new_counter_info!("serve_repair-dropped_packets", stats.dropped_packets);
+
+        debug!(
+            "repair_listener: total_packets: {} passed: {}",
+            stats.total_packets, stats.processed
+        );
+
+        inc_new_counter_debug!("serve_repair-request-window-index", stats.window_index);
+        inc_new_counter_debug!(
+            "serve_repair-request-highest-window-index",
+            stats.highest_window_index
+        );
+        inc_new_counter_debug!("serve_repair-request-orphan", stats.orphan);
+
+        *stats = ServeRepairStats::default();
+    }
+
     pub fn listen(
         me: Arc<RwLock<Self>>,
         blockstore: Option<Arc<Blockstore>>,
@@ -207,22 +270,33 @@ impl ServeRepair {
         let recycler = PacketsRecycler::default();
         Builder::new()
             .name("solana-repair-listen".to_string())
-            .spawn(move || loop {
-                let result = Self::run_listen(
-                    &me,
-                    &recycler,
-                    blockstore.as_ref(),
-                    &requests_receiver,
-                    &response_sender,
-                );
-                match result {
-                    Err(Error::RecvTimeoutError(_)) | Ok(_) => {}
-                    Err(err) => info!("repair listener error: {:?}", err),
-                };
-                if exit.load(Ordering::Relaxed) {
-                    return;
+            .spawn(move || {
+                let mut last_print = Instant::now();
+                let mut stats = ServeRepairStats::default();
+                let mut max_packets = 1024;
+                loop {
+                    let result = Self::run_listen(
+                        &me,
+                        &recycler,
+                        blockstore.as_ref(),
+                        &requests_receiver,
+                        &response_sender,
+                        &mut stats,
+                        &mut max_packets,
+                    );
+                    match result {
+                        Err(Error::RecvTimeoutError(_)) | Ok(_) => {}
+                        Err(err) => info!("repair listener error: {:?}", err),
+                    };
+                    if exit.load(Ordering::Relaxed) {
+                        return;
+                    }
+                    if last_print.elapsed().as_secs() > 2 {
+                        Self::report_reset_stats(&me, &mut stats);
+                        last_print = Instant::now();
+                    }
+                    thread_mem_usage::datapoint("solana-repair-listen");
                 }
-                thread_mem_usage::datapoint("solana-repair-listen");
             })
             .unwrap()
     }
@@ -233,6 +307,7 @@ impl ServeRepair {
         blockstore: Option<&Arc<Blockstore>>,
         packets: Packets,
         response_sender: &PacketSender,
+        stats: &mut ServeRepairStats,
     ) {
         // iter over the packets, collect pulls separately and process everything else
         let allocated = thread_mem_usage::Allocatedp::default();
@@ -242,7 +317,9 @@ impl ServeRepair {
             limited_deserialize(&packet.data[..packet.meta.size])
                 .into_iter()
                 .for_each(|request| {
-                    let rsp = Self::handle_repair(me, recycler, &from_addr, blockstore, request);
+                    stats.processed += 1;
+                    let rsp =
+                        Self::handle_repair(me, recycler, &from_addr, blockstore, request, stats);
                     if let Some(rsp) = rsp {
                         let _ignore_disconnect = response_sender.send(rsp);
                     }
@@ -277,15 +354,12 @@ impl ServeRepair {
         cluster_slots: &ClusterSlots,
         repair_request: &RepairType,
         cache: &mut RepairCache,
+        repair_stats: &mut RepairStats,
     ) -> Result<(SocketAddr, Vec<u8>)> {
         // find a peer that appears to be accepting replication and has the desired slot, as indicated
         // by a valid tvu port location
         if cache.get(&repair_request.slot()).is_none() {
-            let repair_peers: Vec<_> = self
-                .cluster_info
-                .read()
-                .unwrap()
-                .repair_peers(repair_request.slot());
+            let repair_peers: Vec<_> = self.cluster_info.repair_peers(repair_request.slot());
             if repair_peers.is_empty() {
                 return Err(ClusterInfoError::NoPeers.into());
             }
@@ -295,30 +369,26 @@ impl ServeRepair {
         let (repair_peers, weights) = cache.get(&repair_request.slot()).unwrap();
         let n = weighted_best(&weights, Pubkey::new_rand().to_bytes());
         let addr = repair_peers[n].serve_repair; // send the request to the peer's serve_repair port
-        let out = self.map_repair_request(repair_request)?;
+        let out = self.map_repair_request(repair_request, repair_stats)?;
         Ok((addr, out))
     }
 
-    pub fn map_repair_request(&self, repair_request: &RepairType) -> Result<Vec<u8>> {
+    pub fn map_repair_request(
+        &self,
+        repair_request: &RepairType,
+        repair_stats: &mut RepairStats,
+    ) -> Result<Vec<u8>> {
         match repair_request {
             RepairType::Shred(slot, shred_index) => {
-                datapoint_debug!(
-                    "serve_repair-repair",
-                    ("repair-slot", *slot, i64),
-                    ("repair-ix", *shred_index, i64)
-                );
+                repair_stats.shred.update(*slot);
                 Ok(self.window_index_request_bytes(*slot, *shred_index)?)
             }
             RepairType::HighestShred(slot, shred_index) => {
-                datapoint_info!(
-                    "serve_repair-repair_highest",
-                    ("repair-highest-slot", *slot, i64),
-                    ("repair-highest-ix", *shred_index, i64)
-                );
+                repair_stats.highest_shred.update(*slot);
                 Ok(self.window_highest_index_request_bytes(*slot, *shred_index)?)
             }
             RepairType::Orphan(slot) => {
-                datapoint_info!("serve_repair-repair_orphan", ("repair-orphan", *slot, i64));
+                repair_stats.orphan.update(*slot);
                 Ok(self.orphan_bytes(*slot)?)
             }
         }
@@ -577,12 +647,13 @@ mod tests {
     fn window_index_request() {
         let cluster_slots = ClusterSlots::default();
         let me = ContactInfo::new_localhost(&Pubkey::new_rand(), timestamp());
-        let cluster_info = Arc::new(RwLock::new(ClusterInfo::new_with_invalid_keypair(me)));
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(me));
         let serve_repair = ServeRepair::new(cluster_info.clone());
         let rv = serve_repair.repair_request(
             &cluster_slots,
             &RepairType::Shred(0, 0),
             &mut HashMap::new(),
+            &mut RepairStats::default(),
         );
         assert_matches!(rv, Err(Error::ClusterInfoError(ClusterInfoError::NoPeers)));
 
@@ -602,12 +673,13 @@ mod tests {
             wallclock: 0,
             shred_version: 0,
         };
-        cluster_info.write().unwrap().insert_info(nxt.clone());
+        cluster_info.insert_info(nxt.clone());
         let rv = serve_repair
             .repair_request(
                 &cluster_slots,
                 &RepairType::Shred(0, 0),
                 &mut HashMap::new(),
+                &mut RepairStats::default(),
             )
             .unwrap();
         assert_eq!(nxt.serve_repair, serve_repair_addr);
@@ -629,7 +701,7 @@ mod tests {
             wallclock: 0,
             shred_version: 0,
         };
-        cluster_info.write().unwrap().insert_info(nxt);
+        cluster_info.insert_info(nxt);
         let mut one = false;
         let mut two = false;
         while !one || !two {
@@ -639,6 +711,7 @@ mod tests {
                     &cluster_slots,
                     &RepairType::Shred(0, 0),
                     &mut HashMap::new(),
+                    &mut RepairStats::default(),
                 )
                 .unwrap();
             if rv.0 == serve_repair_addr {

core/src/snapshot_packager_service.rs

@@ -5,7 +5,7 @@ use std::{
     sync::{
         atomic::{AtomicBool, Ordering},
         mpsc::RecvTimeoutError,
-        Arc, RwLock,
+        Arc,
     },
     thread::{self, Builder, JoinHandle},
     time::Duration,
@@ -20,7 +20,7 @@ impl SnapshotPackagerService {
         snapshot_package_receiver: SnapshotPackageReceiver,
         starting_snapshot_hash: Option<(Slot, Hash)>,
         exit: &Arc<AtomicBool>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
     ) -> Self {
         let exit = exit.clone();
         let cluster_info = cluster_info.clone();
@@ -32,10 +32,7 @@ impl SnapshotPackagerService {
                 if let Some(starting_snapshot_hash) = starting_snapshot_hash {
                     hashes.push(starting_snapshot_hash);
                 }
-                cluster_info
-                    .write()
-                    .unwrap()
-                    .push_snapshot_hashes(hashes.clone());
+                cluster_info.push_snapshot_hashes(hashes.clone());
                 loop {
                     if exit.load(Ordering::Relaxed) {
                         break;
@@ -58,10 +55,7 @@ impl SnapshotPackagerService {
                                 while hashes.len() > MAX_SNAPSHOT_HASHES {
                                     hashes.remove(0);
                                 }
-                                cluster_info
-                                    .write()
-                                    .unwrap()
-                                    .push_snapshot_hashes(hashes.clone());
+                                cluster_info.push_snapshot_hashes(hashes.clone());
                             }
                         }
                         Err(RecvTimeoutError::Disconnected) => break,

core/src/storage_stage.rs

@@ -4,6 +4,7 @@
 
 use crate::{
     cluster_info::ClusterInfo,
+    commitment::BlockCommitmentCache,
     contact_info::ContactInfo,
     result::{Error, Result},
 };
@@ -11,9 +12,7 @@ use rand::{Rng, SeedableRng};
 use rand_chacha::ChaChaRng;
 use solana_chacha_cuda::chacha_cuda::chacha_cbc_encrypt_file_many_keys;
 use solana_ledger::{bank_forks::BankForks, blockstore::Blockstore};
-use solana_runtime::{
-    bank::Bank, status_cache::SignatureConfirmationStatus, storage_utils::archiver_accounts,
-};
+use solana_runtime::{bank::Bank, storage_utils::archiver_accounts};
 use solana_sdk::{
     account::Account,
     account_utils::StateMut,
@@ -30,6 +29,7 @@ use solana_storage_program::{
     storage_instruction,
     storage_instruction::proof_validation,
 };
+use solana_vote_program::vote_state::MAX_LOCKOUT_HISTORY;
 use std::{
     cmp,
     collections::HashMap,
@@ -184,7 +184,8 @@ impl StorageStage {
         storage_keypair: &Arc<Keypair>,
         exit: &Arc<AtomicBool>,
         bank_forks: &Arc<RwLock<BankForks>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
+        block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
     ) -> Self {
         let (instruction_sender, instruction_receiver) = channel();
 
@@ -256,6 +257,7 @@ impl StorageStage {
                                     &keypair,
                                     &storage_keypair,
                                     &transactions_socket,
+                                    &block_commitment_cache,
                                 )
                                 .unwrap_or_else(|err| {
                                     info!("failed to send storage transaction: {:?}", err)
@@ -284,11 +286,12 @@ impl StorageStage {
 
     fn send_transaction(
         bank_forks: &Arc<RwLock<BankForks>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &ClusterInfo,
         instruction: Instruction,
         keypair: &Arc<Keypair>,
         storage_keypair: &Arc<Keypair>,
         transactions_socket: &UdpSocket,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
     ) -> io::Result<()> {
         let working_bank = bank_forks.read().unwrap().working_bank();
         let blockhash = working_bank.confirmed_last_blockhash().0;
@@ -320,11 +323,16 @@ impl StorageStage {
         for _ in 0..5 {
             transactions_socket.send_to(
                 &bincode::serialize(&transaction).unwrap(),
-                cluster_info.read().unwrap().my_data().tpu,
+                cluster_info.my_contact_info().tpu,
             )?;
             sleep(Duration::from_millis(100));
-            if Self::poll_for_signature_confirmation(bank_forks, &transaction.signatures[0], 0)
-                .is_ok()
+            if Self::poll_for_signature_confirmation(
+                bank_forks,
+                block_commitment_cache,
+                &transaction.signatures[0],
+                0,
+            )
+            .is_ok()
             {
                 break;
             };
@@ -334,23 +342,24 @@ impl StorageStage {
 
     fn poll_for_signature_confirmation(
         bank_forks: &Arc<RwLock<BankForks>>,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
         signature: &Signature,
         min_confirmed_blocks: usize,
     ) -> Result<()> {
         let mut now = Instant::now();
         let mut confirmed_blocks = 0;
         loop {
-            let response = bank_forks
-                .read()
-                .unwrap()
-                .working_bank()
-                .get_signature_confirmation_status(signature);
-            if let Some(SignatureConfirmationStatus {
-                confirmations,
-                status,
-                ..
-            }) = response
-            {
+            let working_bank = bank_forks.read().unwrap().working_bank();
+            let response = working_bank.get_signature_status_slot(signature);
+            if let Some((slot, status)) = response {
+                let confirmations = if working_bank.src.roots().contains(&slot) {
+                    MAX_LOCKOUT_HISTORY + 1
+                } else {
+                    let r_block_commitment_cache = block_commitment_cache.read().unwrap();
+                    r_block_commitment_cache
+                        .get_confirmation_count(slot)
+                        .unwrap_or(0)
+                };
                 if status.is_ok() {
                     if confirmed_blocks != confirmations {
                         now = Instant::now();
@@ -643,24 +652,33 @@ impl StorageStage {
     }
 }
 
-pub fn test_cluster_info(id: &Pubkey) -> Arc<RwLock<ClusterInfo>> {
+pub fn test_cluster_info(id: &Pubkey) -> Arc<ClusterInfo> {
     let contact_info = ContactInfo::new_localhost(id, 0);
     let cluster_info = ClusterInfo::new_with_invalid_keypair(contact_info);
-    Arc::new(RwLock::new(cluster_info))
+    Arc::new(cluster_info)
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
     use rayon::prelude::*;
-    use solana_ledger::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use solana_ledger::{
+        genesis_utils::{create_genesis_config, GenesisConfigInfo},
+        get_tmp_ledger_path,
+    };
     use solana_runtime::bank::Bank;
-    use solana_sdk::hash::Hasher;
-    use solana_sdk::signature::{Keypair, Signer};
-    use std::cmp::{max, min};
-    use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
-    use std::sync::mpsc::channel;
-    use std::sync::{Arc, RwLock};
+    use solana_sdk::{
+        hash::Hasher,
+        signature::{Keypair, Signer},
+    };
+    use std::{
+        cmp::{max, min},
+        sync::{
+            atomic::{AtomicBool, AtomicUsize, Ordering},
+            mpsc::channel,
+            Arc, RwLock,
+        },
+    };
 
     #[test]
     fn test_storage_stage_none_ledger() {
@@ -675,6 +693,11 @@ mod tests {
             &[bank.clone()],
             vec![0],
         )));
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
+        let block_commitment_cache = Arc::new(RwLock::new(
+            BlockCommitmentCache::default_with_blockstore(blockstore),
+        ));
         let (_slot_sender, slot_receiver) = channel();
         let storage_state = StorageState::new(
             &bank.last_blockhash(),
@@ -690,6 +713,7 @@ mod tests {
             &exit.clone(),
             &bank_forks,
             &cluster_info,
+            block_commitment_cache,
         );
         exit.store(true, Ordering::Relaxed);
         storage_stage.join().unwrap();

core/src/tpu.rs

@@ -36,7 +36,7 @@ pub struct Tpu {
 impl Tpu {
     #[allow(clippy::too_many_arguments)]
     pub fn new(
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         poh_recorder: &Arc<Mutex<PohRecorder>>,
         entry_receiver: Receiver<WorkingBankEntry>,
         retransmit_slots_receiver: RetransmitSlotsReceiver,

core/src/transaction_status_service.rs

@@ -70,9 +70,14 @@ impl TransactionStatusService {
                 }
                 .expect("FeeCalculator must exist");
                 let fee = fee_calculator.calculate_fee(transaction.message());
+                let (writable_keys, readonly_keys) =
+                    transaction.message.get_account_keys_by_lock_type();
                 blockstore
                     .write_transaction_status(
-                        (slot, transaction.signatures[0]),
+                        slot,
+                        transaction.signatures[0],
+                        writable_keys,
+                        readonly_keys,
                         &TransactionStatusMeta {
                             status,
                             fee,

core/src/tvu.rs

@@ -2,7 +2,7 @@
 //! validation pipeline in software.
 
 use crate::{
-    accounts_cleanup_service::AccountsCleanupService,
+    accounts_background_service::AccountsBackgroundService,
     accounts_hash_verifier::AccountsHashVerifier,
     broadcast_stage::RetransmitSlotsSender,
     cluster_info::ClusterInfo,
@@ -49,7 +49,7 @@ pub struct Tvu {
     retransmit_stage: RetransmitStage,
     replay_stage: ReplayStage,
     ledger_cleanup_service: Option<LedgerCleanupService>,
-    accounts_cleanup_service: AccountsCleanupService,
+    accounts_background_service: AccountsBackgroundService,
     storage_stage: StorageStage,
     accounts_hash_verifier: AccountsHashVerifier,
 }
@@ -81,10 +81,10 @@ impl Tvu {
     #[allow(clippy::new_ret_no_self, clippy::too_many_arguments)]
     pub fn new(
         vote_account: &Pubkey,
-        voting_keypair: Option<Arc<Keypair>>,
+        authorized_voter_keypairs: Vec<Arc<Keypair>>,
         storage_keypair: &Arc<Keypair>,
         bank_forks: &Arc<RwLock<BankForks>>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: &Arc<ClusterInfo>,
         sockets: Sockets,
         blockstore: Arc<Blockstore>,
         storage_state: &StorageState,
@@ -103,11 +103,7 @@ impl Tvu {
         retransmit_slots_sender: RetransmitSlotsSender,
         tvu_config: TvuConfig,
     ) -> Self {
-        let keypair: Arc<Keypair> = cluster_info
-            .read()
-            .expect("Unable to read from cluster_info during Tvu creation")
-            .keypair
-            .clone();
+        let keypair: Arc<Keypair> = cluster_info.keypair.clone();
 
         let Sockets {
             repair: repair_socket,
@@ -160,7 +156,7 @@ impl Tvu {
             *bank_forks.read().unwrap().working_bank().epoch_schedule(),
             cfg,
             tvu_config.shred_version,
-            cluster_slots,
+            cluster_slots.clone(),
         );
 
         let (ledger_cleanup_slot_sender, ledger_cleanup_slot_receiver) = channel();
@@ -170,7 +166,7 @@ impl Tvu {
             accounts_hash_receiver,
             snapshot_package_sender,
             exit,
-            cluster_info,
+            &cluster_info,
             tvu_config.trusted_validators.clone(),
             tvu_config.halt_on_trusted_validators_accounts_hash_mismatch,
             tvu_config.accounts_hash_fault_injection_slots,
@@ -179,13 +175,13 @@ impl Tvu {
         let replay_stage_config = ReplayStageConfig {
             my_pubkey: keypair.pubkey(),
             vote_account: *vote_account,
-            voting_keypair,
+            authorized_voter_keypairs,
             exit: exit.clone(),
             subscriptions: subscriptions.clone(),
             leader_schedule_cache: leader_schedule_cache.clone(),
             latest_root_senders: vec![ledger_cleanup_slot_sender],
             accounts_hash_sender: Some(accounts_hash_sender),
-            block_commitment_cache,
+            block_commitment_cache: block_commitment_cache.clone(),
             transaction_status_sender,
             rewards_recorder_sender,
         };
@@ -198,6 +194,7 @@ impl Tvu {
             ledger_signal_receiver,
             poh_recorder.clone(),
             vote_tracker,
+            cluster_slots,
             retransmit_slots_sender,
         );
 
@@ -210,7 +207,7 @@ impl Tvu {
             )
         });
 
-        let accounts_cleanup_service = AccountsCleanupService::new(bank_forks.clone(), &exit);
+        let accounts_background_service = AccountsBackgroundService::new(bank_forks.clone(), &exit);
 
         let storage_stage = StorageStage::new(
             storage_state,
@@ -221,6 +218,7 @@ impl Tvu {
             &exit,
             &bank_forks,
             &cluster_info,
+            block_commitment_cache,
         );
 
         Tvu {
@@ -229,7 +227,7 @@ impl Tvu {
             retransmit_stage,
             replay_stage,
             ledger_cleanup_service,
-            accounts_cleanup_service,
+            accounts_background_service,
             storage_stage,
             accounts_hash_verifier,
         }
@@ -243,7 +241,7 @@ impl Tvu {
         if self.ledger_cleanup_service.is_some() {
             self.ledger_cleanup_service.unwrap().join()?;
         }
-        self.accounts_cleanup_service.join()?;
+        self.accounts_background_service.join()?;
         self.replay_stage.join()?;
         self.accounts_hash_verifier.join()?;
         Ok(())
@@ -255,12 +253,14 @@ pub mod tests {
     use super::*;
     use crate::banking_stage::create_test_recorder;
     use crate::cluster_info::{ClusterInfo, Node};
+    use serial_test_derive::serial;
     use solana_ledger::create_new_tmp_ledger;
     use solana_ledger::genesis_utils::{create_genesis_config, GenesisConfigInfo};
     use solana_runtime::bank::Bank;
     use std::sync::atomic::Ordering;
 
     #[test]
+    #[serial]
     fn test_tvu_exit() {
         solana_logger::setup();
         let leader = Node::new_localhost();
@@ -273,9 +273,9 @@ pub mod tests {
         let bank_forks = BankForks::new(0, Bank::new(&genesis_config));
 
         //start cluster_info1
-        let mut cluster_info1 = ClusterInfo::new_with_invalid_keypair(target1.info.clone());
+        let cluster_info1 = ClusterInfo::new_with_invalid_keypair(target1.info.clone());
         cluster_info1.insert_info(leader.info.clone());
-        let cref1 = Arc::new(RwLock::new(cluster_info1));
+        let cref1 = Arc::new(cluster_info1);
 
         let (blockstore_path, _) = create_new_tmp_ledger!(&genesis_config);
         let (blockstore, l_receiver, completed_slots_receiver) =
@@ -285,14 +285,16 @@ pub mod tests {
         let bank = bank_forks.working_bank();
         let (exit, poh_recorder, poh_service, _entry_receiver) =
             create_test_recorder(&bank, &blockstore, None);
-        let voting_keypair = Keypair::new();
+        let vote_keypair = Keypair::new();
         let storage_keypair = Arc::new(Keypair::new());
         let leader_schedule_cache = Arc::new(LeaderScheduleCache::new_from_bank(&bank));
-        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::default()));
+        let block_commitment_cache = Arc::new(RwLock::new(
+            BlockCommitmentCache::default_with_blockstore(blockstore.clone()),
+        ));
         let (retransmit_slots_sender, _retransmit_slots_receiver) = unbounded();
         let tvu = Tvu::new(
-            &voting_keypair.pubkey(),
-            Some(Arc::new(voting_keypair)),
+            &vote_keypair.pubkey(),
+            vec![Arc::new(vote_keypair)],
             &storage_keypair,
             &Arc::new(RwLock::new(bank_forks)),
             &cref1,
@@ -307,7 +309,7 @@ pub mod tests {
             blockstore,
             &StorageState::default(),
             l_receiver,
-            &Arc::new(RpcSubscriptions::new(&exit)),
+            &Arc::new(RpcSubscriptions::new(&exit, block_commitment_cache.clone())),
             &poh_recorder,
             &leader_schedule_cache,
             &exit,

core/src/validator.rs

@@ -151,7 +151,7 @@ impl Validator {
         keypair: &Arc<Keypair>,
         ledger_path: &Path,
         vote_account: &Pubkey,
-        authorized_voter: &Arc<Keypair>,
+        mut authorized_voter_keypairs: Vec<Arc<Keypair>>,
         storage_keypair: &Arc<Keypair>,
         entrypoint_info_option: Option<&ContactInfo>,
         poh_verify: bool,
@@ -162,7 +162,15 @@ impl Validator {
 
         warn!("identity: {}", id);
         warn!("vote account: {}", vote_account);
-        warn!("authorized voter: {}", authorized_voter.pubkey());
+
+        if config.voting_disabled {
+            warn!("voting disabled");
+            authorized_voter_keypairs.clear();
+        } else {
+            for authorized_voter_keypair in &authorized_voter_keypairs {
+                warn!("authorized voter: {}", authorized_voter_keypair.pubkey());
+            }
+        }
         report_target_features();
 
         info!("entrypoint: {:?}", entrypoint_info_option);
@@ -197,7 +205,6 @@ impl Validator {
         }
 
         let bank_forks = Arc::new(RwLock::new(bank_forks));
-        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::default()));
 
         let mut validator_exit = ValidatorExit::default();
         let exit_ = exit.clone();
@@ -221,10 +228,7 @@ impl Validator {
             }
         }
 
-        let cluster_info = Arc::new(RwLock::new(ClusterInfo::new(
-            node.info.clone(),
-            keypair.clone(),
-        )));
+        let cluster_info = Arc::new(ClusterInfo::new(node.info.clone(), keypair.clone()));
 
         let storage_state = StorageState::new(
             &bank.last_blockhash(),
@@ -233,8 +237,11 @@ impl Validator {
         );
 
         let blockstore = Arc::new(blockstore);
+        let block_commitment_cache = Arc::new(RwLock::new(
+            BlockCommitmentCache::default_with_blockstore(blockstore.clone()),
+        ));
 
-        let subscriptions = Arc::new(RpcSubscriptions::new(&exit));
+        let subscriptions = Arc::new(RpcSubscriptions::new(&exit, block_commitment_cache.clone()));
 
         let rpc_service = config.rpc_ports.map(|(rpc_port, rpc_pubsub_port)| {
             if ContactInfo::is_valid_address(&node.info.rpc) {
@@ -257,6 +264,7 @@ impl Validator {
                     ledger_path,
                     storage_state.clone(),
                     validator_exit.clone(),
+                    config.trusted_validators.clone(),
                 ),
                 PubSubService::new(
                     &subscriptions,
@@ -355,10 +363,7 @@ impl Validator {
         // Insert the entrypoint info, should only be None if this node
         // is the bootstrap validator
         if let Some(entrypoint_info) = entrypoint_info_option {
-            cluster_info
-                .write()
-                .unwrap()
-                .set_entrypoint(entrypoint_info.clone());
+            cluster_info.set_entrypoint(entrypoint_info.clone());
         }
 
         let (snapshot_packager_service, snapshot_package_sender) =
@@ -381,16 +386,12 @@ impl Validator {
             "New shred signal for the TVU should be the same as the clear bank signal."
         );
 
-        let vote_tracker = Arc::new({ VoteTracker::new(bank_forks.read().unwrap().root_bank()) });
+        let vote_tracker = Arc::new(VoteTracker::new(bank_forks.read().unwrap().root_bank()));
 
         let (retransmit_slots_sender, retransmit_slots_receiver) = unbounded();
         let tvu = Tvu::new(
             vote_account,
-            if config.voting_disabled {
-                None
-            } else {
-                Some(authorized_voter.clone())
-            },
+            authorized_voter_keypairs,
             storage_keypair,
             &bank_forks,
             &cluster_info,
@@ -630,11 +631,7 @@ fn new_banks_from_blockstore(
     )
 }
 
-fn wait_for_supermajority(
-    config: &ValidatorConfig,
-    bank: &Arc<Bank>,
-    cluster_info: &Arc<RwLock<ClusterInfo>>,
-) {
+fn wait_for_supermajority(config: &ValidatorConfig, bank: &Bank, cluster_info: &ClusterInfo) {
     if config.wait_for_supermajority != Some(bank.slot()) {
         return;
     }
@@ -643,10 +640,9 @@ fn wait_for_supermajority(
         "Waiting for 80% of activated stake at slot {} to be in gossip...",
         bank.slot()
     );
-    loop {
-        let gossip_stake_percent = get_stake_percent_in_gossip(&bank, &cluster_info);
+    for i in 1.. {
+        let gossip_stake_percent = get_stake_percent_in_gossip(&bank, &cluster_info, i % 10 == 0);
 
-        info!("{}% of activated stake in gossip", gossip_stake_percent,);
         if gossip_stake_percent >= 80 {
             break;
         }
@@ -666,6 +662,7 @@ pub struct TestValidator {
 pub struct TestValidatorOptions {
     pub fees: u64,
     pub bootstrap_validator_lamports: u64,
+    pub mint_lamports: u64,
 }
 
 impl Default for TestValidatorOptions {
@@ -674,6 +671,7 @@ impl Default for TestValidatorOptions {
         TestValidatorOptions {
             fees: 0,
             bootstrap_validator_lamports: BOOTSTRAP_VALIDATOR_LAMPORTS,
+            mint_lamports: 1_000_000,
         }
     }
 }
@@ -692,6 +690,7 @@ impl TestValidator {
         let TestValidatorOptions {
             fees,
             bootstrap_validator_lamports,
+            mint_lamports,
         } = options;
         let node_keypair = Arc::new(Keypair::new());
         let node = Node::new_localhost_with_pubkey(&node_keypair.pubkey());
@@ -702,7 +701,7 @@ impl TestValidator {
             mint_keypair,
             voting_keypair,
         } = create_genesis_config_with_leader_ex(
-            1_000_000,
+            mint_lamports,
             &contact_info.id,
             42,
             bootstrap_validator_lamports,
@@ -710,6 +709,9 @@ impl TestValidator {
         genesis_config
             .native_instruction_processors
             .push(solana_budget_program!());
+        genesis_config
+            .native_instruction_processors
+            .push(solana_bpf_loader_program!());
 
         genesis_config.rent.lamports_per_byte_year = 1;
         genesis_config.rent.exemption_threshold = 1.0;
@@ -728,7 +730,7 @@ impl TestValidator {
             &node_keypair,
             &ledger_path,
             &leader_voting_keypair.pubkey(),
-            &leader_voting_keypair,
+            vec![leader_voting_keypair.clone()],
             &storage_keypair,
             None,
             true,
@@ -774,33 +776,86 @@ fn report_target_features() {
 }
 
 // Get the activated stake percentage (based on the provided bank) that is visible in gossip
-fn get_stake_percent_in_gossip(bank: &Arc<Bank>, cluster_info: &Arc<RwLock<ClusterInfo>>) -> u64 {
-    let mut gossip_stake = 0;
+fn get_stake_percent_in_gossip(bank: &Bank, cluster_info: &ClusterInfo, log: bool) -> u64 {
+    let mut online_stake = 0;
+    let mut wrong_shred_stake = 0;
+    let mut wrong_shred_nodes = vec![];
+    let mut offline_stake = 0;
+    let mut offline_nodes = vec![];
+
     let mut total_activated_stake = 0;
-    let tvu_peers = cluster_info.read().unwrap().tvu_peers();
-    let me = cluster_info.read().unwrap().my_data();
+    let all_tvu_peers = cluster_info.all_tvu_peers();
+    let my_shred_version = cluster_info.my_shred_version();
+    let my_id = cluster_info.id();
 
     for (activated_stake, vote_account) in bank.vote_accounts().values() {
         let vote_state =
             solana_vote_program::vote_state::VoteState::from(&vote_account).unwrap_or_default();
         total_activated_stake += activated_stake;
-        if tvu_peers
+
+        if *activated_stake == 0 {
+            continue;
+        }
+
+        if let Some(peer) = all_tvu_peers
             .iter()
-            .filter(|peer| peer.shred_version == me.shred_version)
-            .any(|peer| peer.id == vote_state.node_pubkey)
+            .find(|peer| peer.id == vote_state.node_pubkey)
         {
-            trace!(
-                "observed {} in gossip, (activated_stake={})",
-                vote_state.node_pubkey,
-                activated_stake
-            );
-            gossip_stake += activated_stake;
-        } else if vote_state.node_pubkey == cluster_info.read().unwrap().id() {
-            gossip_stake += activated_stake;
+            if peer.shred_version == my_shred_version {
+                trace!(
+                    "observed {} in gossip, (activated_stake={})",
+                    vote_state.node_pubkey,
+                    activated_stake
+                );
+                online_stake += activated_stake;
+            } else {
+                wrong_shred_stake += activated_stake;
+                wrong_shred_nodes.push((*activated_stake, vote_state.node_pubkey));
+            }
+        } else if vote_state.node_pubkey == my_id {
+            online_stake += activated_stake; // This node is online
+        } else {
+            offline_stake += activated_stake;
+            offline_nodes.push((*activated_stake, vote_state.node_pubkey));
         }
     }
 
-    gossip_stake * 100 / total_activated_stake
+    if log {
+        info!(
+            "{}% of active stake visible in gossip",
+            online_stake * 100 / total_activated_stake
+        );
+
+        if !wrong_shred_nodes.is_empty() {
+            info!(
+                "{}% of active stake has the wrong shred version in gossip",
+                wrong_shred_stake * 100 / total_activated_stake,
+            );
+            for (stake, identity) in wrong_shred_nodes {
+                info!(
+                    "    {}% - {}",
+                    stake * 100 / total_activated_stake,
+                    identity
+                );
+            }
+        }
+
+        if !offline_nodes.is_empty() {
+            info!(
+                "{}% of active stake is not visible in gossip",
+                offline_stake * 100 / total_activated_stake
+            );
+            for (stake, identity) in offline_nodes {
+                info!(
+                    "    {}% - {}",
+                    stake * 100 / total_activated_stake,
+                    identity
+                );
+            }
+        }
+    }
+
+    online_stake * 100 / total_activated_stake
 }
 
 #[cfg(test)]
@@ -836,7 +891,7 @@ mod tests {
             &Arc::new(validator_keypair),
             &validator_ledger_path,
             &voting_keypair.pubkey(),
-            &voting_keypair,
+            vec![voting_keypair.clone()],
             &storage_keypair,
             Some(&leader_node.info),
             true,
@@ -861,7 +916,7 @@ mod tests {
                         .genesis_config;
                 let (validator_ledger_path, _blockhash) = create_new_tmp_ledger!(&genesis_config);
                 ledger_paths.push(validator_ledger_path.clone());
-                let voting_keypair = Arc::new(Keypair::new());
+                let vote_account_keypair = Arc::new(Keypair::new());
                 let storage_keypair = Arc::new(Keypair::new());
                 let config = ValidatorConfig {
                     rpc_ports: Some((
@@ -874,8 +929,8 @@ mod tests {
                     validator_node,
                     &Arc::new(validator_keypair),
                     &validator_ledger_path,
-                    &voting_keypair.pubkey(),
-                    &voting_keypair,
+                    &vote_account_keypair.pubkey(),
+                    vec![vote_account_keypair.clone()],
                     &storage_keypair,
                     Some(&leader_node.info),
                     true,

core/src/window_service.rs

@@ -249,7 +249,7 @@ impl WindowService {
     #[allow(clippy::too_many_arguments)]
     pub fn new<F>(
         blockstore: Arc<Blockstore>,
-        cluster_info: Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<ClusterInfo>,
         verified_receiver: CrossbeamReceiver<Vec<Packets>>,
         retransmit: PacketSender,
         repair_socket: Arc<UdpSocket>,
@@ -294,7 +294,7 @@ impl WindowService {
         );
 
         let t_window = Self::start_recv_window_thread(
-            cluster_info.read().unwrap().id(),
+            cluster_info.id(),
             exit,
             &blockstore,
             insert_sender,
@@ -514,7 +514,7 @@ mod test {
         net::UdpSocket,
         sync::atomic::{AtomicBool, Ordering},
         sync::mpsc::channel,
-        sync::{Arc, RwLock},
+        sync::Arc,
         thread::sleep,
         time::Duration,
     };
@@ -542,10 +542,7 @@ mod test {
             .insert_shreds(shreds, None, false)
             .expect("Expect successful processing of shred");
 
-        assert_eq!(
-            blockstore.get_slot_entries(0, 0, None).unwrap(),
-            original_entries
-        );
+        assert_eq!(blockstore.get_slot_entries(0, 0).unwrap(), original_entries);
 
         drop(blockstore);
         Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
@@ -633,9 +630,9 @@ mod test {
 
         let blockstore = Arc::new(blockstore);
         let (retransmit_sender, _retransmit_receiver) = channel();
-        let cluster_info = Arc::new(RwLock::new(ClusterInfo::new_with_invalid_keypair(
+        let cluster_info = Arc::new(ClusterInfo::new_with_invalid_keypair(
             ContactInfo::new_localhost(&Pubkey::default(), 0),
-        )));
+        ));
         let cluster_slots = Arc::new(ClusterSlots::default());
         let repair_sock = Arc::new(UdpSocket::bind(socketaddr_any!()).unwrap());
         let window = WindowService::new(