Rpc: Add getCirculatingSupply endpoint, redux (#9953 ) (#9954 )

automerge
v1.0: Maintain sysvar balances for consistent market cap. (#9937 )
2020-05-09 14:20:58 -07:00 · 2020-05-08 09:19:03 -07:00 · 2020-05-08 08:16:36 -07:00 · 2020-05-07 13:42:58 -07:00 · 2020-05-06 11:28:52 -07:00 · 2020-05-06 08:48:27 -07:00
214 changed files with 10282 additions and 8204 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/archiver-lib/Cargo.toml
+++ b/archiver-lib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-archiver-lib"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana Archiver Library"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -11,29 +11,32 @@ edition = "2018"
 [dependencies]
 bincode = "1.2.1"
 crossbeam-channel = "0.3"
-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 = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
+rand = "0.7.0"
+rand_chacha = "0.2.2"
+solana-client = { path = "../client", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
 thiserror = "1.0"
 serde = "1.0.104"
 serde_json = "1.0.46"
 serde_derive = "1.0.103"
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-chacha = { path = "../chacha", version = "1.0.14" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-archiver-utils = { path = "../archiver-utils", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-chacha = { path = "../chacha", version = "1.0.22" }
+solana-chacha-sys = { path = "../chacha-sys", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-archiver-utils = { path = "../archiver-utils", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }

 [dev-dependencies]
 hex = "0.4.0"

 [lib]
 name = "solana_archiver_lib"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/archiver-lib/src/archiver.rs
+++ b/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::{
@@ -199,7 +199,7 @@ 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
--- a/archiver-lib/src/result.rs
+++ b/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;
--- a/archiver-utils/Cargo.toml
+++ b/archiver-utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-archiver-utils"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-chacha-sys = { path = "../chacha-sys", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+rand = "0.7.0"
+solana-chacha = { path = "../chacha", version = "1.0.22" }
+solana-chacha-sys = { path = "../chacha-sys", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }

 [dev-dependencies]
 hex = "0.4.0"

 [lib]
 name = "solana_archiver_utils"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/archiver/Cargo.toml
+++ b/archiver/Cargo.toml
@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-archiver"
-version = "1.0.14"
+version = "1.0.22"
 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 = "0.9.2"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-archiver-lib = { path = "../archiver-lib", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-archiver-lib = { path = "../archiver-lib", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }

+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/banking-bench/Cargo.toml
+++ b/banking-bench/Cargo.toml
@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-banking-bench"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -10,11 +10,14 @@ homepage = "https://solana.com/"
 [dependencies]
 log = "0.4.6"
 rayon = "1.2.0"
-solana-core = { path = "../core", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-measure = { path = "../measure", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-rand = "0.6.5"
+solana-core = { path = "../core", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-measure = { path = "../measure", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+rand = "0.7.0"
 crossbeam-channel = "0.3"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/banking-bench/src/main.rs
+++ b/banking-bench/src/main.rs
@@ -246,7 +246,7 @@ 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!(
--- a/bench-exchange/Cargo.toml
+++ b/bench-exchange/Cargo.toml
@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-exchange"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,21 +14,24 @@ itertools = "0.8.2"
 log = "0.4.8"
 num-derive = "0.3"
 num-traits = "0.2"
-rand = "0.6.5"
+rand = "0.7.0"
 rayon = "1.2.0"
 serde_json = "1.0.46"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-genesis = { path = "../genesis", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-faucet = { path = "../faucet", version = "1.0.14" }
-solana-exchange-program = { path = "../programs/exchange", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-genesis = { path = "../genesis", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-faucet = { path = "../faucet", version = "1.0.22" }
+solana-exchange-program = { path = "../programs/exchange", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }

 [dev-dependencies]
-solana-local-cluster = { path = "../local-cluster", version = "1.0.14" }
+solana-local-cluster = { path = "../local-cluster", version = "1.0.22" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/bench-streamer/Cargo.toml
+++ b/bench-streamer/Cargo.toml
@@ -2,14 +2,17 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-streamer"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/bench-tps/Cargo.toml
+++ b/bench-tps/Cargo.toml
@@ -2,7 +2,7 @@
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-bench-tps"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,24 +14,27 @@ log = "0.4.8"
 rayon = "1.2.0"
 serde_json = "1.0.46"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-genesis = { path = "../genesis", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-faucet = { path = "../faucet", version = "1.0.14" }
-solana-librapay = { path = "../programs/librapay", version = "1.0.14", optional = true }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-measure = { path = "../measure", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-move-loader-program = { path = "../programs/move_loader", version = "1.0.14", optional = true }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-genesis = { path = "../genesis", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-faucet = { path = "../faucet", version = "1.0.22" }
+#solana-librapay = { path = "../programs/librapay", version = "1.0.20", optional = true }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-measure = { path = "../measure", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+#solana-move-loader-program = { path = "../programs/move_loader", version = "1.0.20", optional = true }

 [dev-dependencies]
 serial_test = "0.3.2"
 serial_test_derive = "0.4.0"
-solana-local-cluster = { path = "../local-cluster", version = "1.0.14" }
+solana-local-cluster = { path = "../local-cluster", version = "1.0.22" }

-[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"]
--- a/chacha-cuda/Cargo.toml
+++ b/chacha-cuda/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha-cuda"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-chacha = { path = "../chacha", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-archiver-utils = { path = "../archiver-utils", version = "1.0.22" }
+solana-chacha = { path = "../chacha", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }

 [dev-dependencies]
 hex-literal = "0.2.1"

 [lib]
 name = "solana_chacha_cuda"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/chacha-sys/Cargo.toml
+++ b/chacha-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha-sys"
-version = "1.0.14"
+version = "1.0.22"
 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"]
--- a/chacha/Cargo.toml
+++ b/chacha/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-chacha"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+rand = "0.7.0"
+rand_chacha = "0.2.2"
+solana-chacha-sys = { path = "../chacha-sys", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }

 [dev-dependencies]
 hex-literal = "0.2.1"

 [lib]
 name = "solana_chacha"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/ci/buildkite-secondary.yml
+++ b/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
--- a/ci/buildkite-tests.yml
+++ b/ci/buildkite-tests.yml
@@ -2,12 +2,15 @@
 # other than those in docs/ are modified

 steps:
-  - command: "ci/shellcheck.sh"
-    name: "shellcheck"
-    timeout_in_minutes: 5
-
+  - command: ". ci/rust-version.sh; ci/docker-run.sh $$rust_nightly_docker_image ci/test-coverage.sh"
+    name: "coverage"
+    timeout_in_minutes: 30
+  - wait
+  - command: ". ci/rust-version.sh; ci/docker-run.sh $$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
@@ -17,21 +20,7 @@ steps:
  - 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"
--- a/ci/buildkite.yml
+++ b/ci/buildkite.yml
@@ -8,6 +8,9 @@ steps:
  - 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

--- a/ci/docker-run.sh
+++ b/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.
--- a/ci/docker-rust-nightly/Dockerfile
+++ b/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 \
--- a/ci/docker-rust/Dockerfile
+++ b/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
--- a/ci/publish-tarball.sh
+++ b/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
--- a/ci/rust-version.sh
+++ b/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"
    ;;
--- a/ci/test-bench.sh
+++ b/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
--- a/ci/test-stable.sh
+++ b/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 \
--- a/clap-utils/Cargo.toml
+++ b/clap-utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-clap-utils"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-remote-wallet = { path = "../remote-wallet", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
 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"]
--- a/clap-utils/src/commitment.rs
+++ b/clap-utils/src/commitment.rs
@@ -0,0 +1,18 @@
+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(&["recent", "root", "max"])
+        .default_value("recent")
+        .value_name("COMMITMENT_LEVEL")
+        .help(COMMITMENT_ARG.help)
+}
--- a/clap-utils/src/input_parsers.rs
+++ b/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},
@@ -162,6 +163,15 @@ 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::*;
--- a/clap-utils/src/lib.rs
+++ b/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;
--- a/cli-config/Cargo.toml
+++ b/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 = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -15,3 +15,6 @@ serde = "1.0.104"
 serde_derive = "1.0.103"
 serde_yaml = "0.8.11"
 url = "2.1.1"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/cli-config/src/config.rs
+++ b/cli-config/src/config.rs
@@ -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());
+    }
+}
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-cli"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -26,30 +26,34 @@ reqwest = { version = "0.10.1", default-features = false, features = ["blocking"
 serde = "1.0.104"
 serde_derive = "1.0.103"
 serde_json = "1.0.46"
-solana-budget-program = { path = "../programs/budget", version = "1.0.14" }
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-cli-config = { path = "../cli-config", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-config-program = { path = "../programs/config", version = "1.0.14" }
-solana-faucet = { path = "../faucet", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-remote-wallet = { path = "../remote-wallet", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
-solana-vote-signer = { path = "../vote-signer", version = "1.0.14" }
+solana-budget-program = { path = "../programs/budget", version = "1.0.22" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-cli-config = { path = "../cli-config", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-config-program = { path = "../programs/config", version = "1.0.22" }
+solana-faucet = { path = "../faucet", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-remote-wallet = { path = "../remote-wallet", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
+solana-transaction-status = { path = "../transaction-status", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
+solana-vote-signer = { path = "../vote-signer", version = "1.0.22" }
 titlecase = "1.1.0"
 thiserror = "1.0.11"
 url = "2.1.1"

 [dev-dependencies]
-solana-core = { path = "../core", version = "1.0.14" }
-solana-budget-program = { path = "../programs/budget", version = "1.0.14" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-budget-program = { path = "../programs/budget", version = "1.0.22" }
 tempfile = "3.1.0"

 [[bin]]
 name = "solana"
 path = "src/main.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/cli/src/cli.rs
+++ b/cli/src/cli.rs
@@ -405,6 +405,7 @@ pub enum CliCommand {
        to: Pubkey,
        from: SignerIndex,
        sign_only: bool,
+        no_wait: bool,
        blockhash_query: BlockhashQuery,
        nonce_account: Option<Pubkey>,
        nonce_authority: SignerIndex,
@@ -537,7 +538,7 @@ 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(),
            ))
        }
@@ -902,6 +903,7 @@ 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 +929,7 @@ pub fn parse_command(
                    lamports,
                    to,
                    sign_only,
+                    no_wait,
                    blockhash_query,
                    nonce_account,
                    nonce_authority: signer_info.index_of(nonce_authority_pubkey).unwrap(),
@@ -1152,12 +1155,48 @@ 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 {
-                    Ok(_) => Ok("Confirmed".to_string()),
+                    Ok(_) => {
+                        if config.verbose {
+                            match rpc_client.get_confirmed_transaction(
+                                signature,
+                                solana_transaction_status::TransactionEncoding::Binary,
+                            ) {
+                                Ok(confirmed_transaction) => {
+                                    println!("\nTransaction:");
+                                    crate::display::println_transaction(
+                                        &confirmed_transaction
+                                            .transaction
+                                            .transaction
+                                            .decode()
+                                            .expect("Successful decode"),
+                                        &confirmed_transaction.transaction.meta,
+                                        "  ",
+                                    );
+                                    println!();
+                                    Ok(format!("Confirmed in slot {}", confirmed_transaction.slot))
+                                }
+                                Err(err) => Ok(format!(
+                                    "Confirmed. Unable to get confirmed transaction details: {}",
+                                    err
+                                )),
+                            }
+                        } else {
+                            Ok("Confirmed".to_string())
+                        }
+                    }
                    Err(err) => Ok(format!("Transaction failed with error: {}", err)),
                }
            } else {
@@ -1488,6 +1527,7 @@ 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 +1574,11 @@ 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)
    }
 }
@@ -2026,7 +2070,7 @@ 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),
        // If client has positive balance, pay lamports to another address
        CliCommand::Pay(PayCommand {
            lamports,
@@ -2080,6 +2124,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
            to,
            from,
            sign_only,
+            no_wait,
            ref blockhash_query,
            ref nonce_account,
            nonce_authority,
@@ -2091,6 +2136,7 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
            to,
            *from,
            *sign_only,
+            *no_wait,
            blockhash_query,
            nonce_account.as_ref(),
            *nonce_authority,
@@ -2173,7 +2219,7 @@ 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) {
@@ -2497,6 +2543,12 @@ 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())
@@ -3557,6 +3609,33 @@ mod tests {
                    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, 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,
@@ -3586,6 +3665,7 @@ mod tests {
                    to: to_pubkey,
                    from: 0,
                    sign_only: true,
+                    no_wait: false,
                    blockhash_query: BlockhashQuery::None(blockhash),
                    nonce_account: None,
                    nonce_authority: 0,
@@ -3620,6 +3700,7 @@ mod tests {
                    to: to_pubkey,
                    from: 0,
                    sign_only: false,
+                    no_wait: false,
                    blockhash_query: BlockhashQuery::FeeCalculator(
                        blockhash_query::Source::Cluster,
                        blockhash
@@ -3658,6 +3739,7 @@ mod tests {
                    to: to_pubkey,
                    from: 0,
                    sign_only: false,
+                    no_wait: false,
                    blockhash_query: BlockhashQuery::FeeCalculator(
                        blockhash_query::Source::NonceAccount(nonce_address),
                        blockhash
--- a/cli/src/cluster_query.rs
+++ b/cli/src/cluster_query.rs
@@ -8,7 +8,12 @@ use crate::{
 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,
@@ -91,14 +96,7 @@ 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")
@@ -108,37 +106,16 @@ 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(
-                Arg::with_name("confirmed")
-                    .long("confirmed")
-                    .takes_value(false)
-                    .help(
-                        "Return epoch 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")
@@ -178,14 +155,7 @@ impl ClusterQuerySubCommands for App<'_, '_> {
                        .default_value("15")
                        .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(commitment_arg()),
        )
        .subcommand(
            SubCommand::with_name("live-slots")
@@ -236,20 +206,13 @@ 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()),
        )
    }
 }
@@ -282,11 +245,7 @@ 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();
    Ok(CliCommandInfo {
        command: CliCommand::Ping {
            lamports,
@@ -313,11 +272,7 @@ 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();
    Ok(CliCommandInfo {
        command: CliCommand::GetEpochInfo { commitment_config },
        signers: vec![],
@@ -325,11 +280,7 @@ 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();
    Ok(CliCommandInfo {
        command: CliCommand::GetSlot { commitment_config },
        signers: vec![],
@@ -337,11 +288,7 @@ pub fn parse_get_slot(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliErr
 }

 pub fn parse_get_epoch(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();
    Ok(CliCommandInfo {
        command: CliCommand::GetEpoch { commitment_config },
        signers: vec![],
@@ -349,11 +296,7 @@ pub fn parse_get_epoch(matches: &ArgMatches<'_>) -> Result<CliCommandInfo, CliEr
 }

 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();
    Ok(CliCommandInfo {
        command: CliCommand::GetTransactionCount { commitment_config },
        signers: vec![],
@@ -379,11 +322,7 @@ 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();

    Ok(CliCommandInfo {
        command: CliCommand::ShowValidators {
@@ -454,25 +393,35 @@ 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 = (slot_distance as f64 / slots_per_second).round();
+        let time_remaining = if !time_remaining.is_normal() || time_remaining <= 0.0 {
+            "".to_string()
+        } else {
+            format!(
+                ". Time remaining: {}",
+                humantime::format_duration(Duration::from_secs_f64(time_remaining))
+            )
+        };
+
        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 {
                "".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
                )
            }
        ));
@@ -1346,7 +1295,8 @@ mod tests {
            "2",
            "-t",
            "3",
-            "--confirmed",
+            "--commitment",
+            "max",
        ]);
        assert_eq!(
            parse_command(&test_ping, &default_keypair_file, None).unwrap(),
@@ -1356,7 +1306,7 @@ mod tests {
                    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()],
            }
--- a/cli/src/display.rs
+++ b/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::io;

 // Pretty print a "name value"
 pub fn println_name_value(name: &str, value: &str) {
@@ -49,3 +54,140 @@ 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: {} SOL",
+            prefix,
+            lamports_to_sol(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);
+        }
+    }
+}
--- a/cli/src/vote.rs
+++ b/cli/src/vote.rs
@@ -4,7 +4,11 @@ use crate::cli::{
    ProcessResult, SignerIndex,
 };
 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::{
@@ -159,14 +163,6 @@ 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)
@@ -181,7 +177,8 @@ 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")
@@ -322,11 +319,7 @@ pub fn parse_vote_get_account_command(
    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();
    Ok(CliCommandInfo {
        command: CliCommand::ShowVoteAccount {
            pubkey: vote_account_pubkey,
--- a/cli/tests/nonce.rs
+++ b/cli/tests/nonce.rs
@@ -338,6 +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,
@@ -358,6 +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,
--- a/cli/tests/transfer.rs
+++ b/cli/tests/transfer.rs
@@ -68,6 +68,7 @@ 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 +96,7 @@ 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 +112,7 @@ 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 +150,7 @@ 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 +191,7 @@ 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 +207,7 @@ 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,
@@ -269,6 +275,7 @@ 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 +300,7 @@ 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 +322,7 @@ 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,
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-client"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana Client"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -19,10 +19,10 @@ reqwest = { version = "0.10.1", default-features = false, features = ["blocking"
 serde = "1.0.104"
 serde_derive = "1.0.103"
 serde_json = "1.0.46"
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-transaction-status = { path = "../transaction-status", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-transaction-status = { path = "../transaction-status", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
 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 = "1.0.14" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/client/src/rpc_client.rs
+++ b/client/src/rpc_client.rs
@@ -16,7 +16,10 @@ 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},
@@ -27,7 +30,9 @@ 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,
@@ -147,6 +152,28 @@ impl RpcClient {
            .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))
+    }
+
    pub fn get_slot(&self) -> ClientResult<Slot> {
        self.get_slot_with_commitment(CommitmentConfig::default())
    }
@@ -227,6 +254,44 @@ 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, start_slot, end_slot]),
+                0,
+            )
+            .map_err(|err| err.into_with_command("GetConfirmedSignaturesForAddress"))?;
+
+        serde_json::from_value(response).map_err(|err| {
+            ClientError::new_with_command(err.into(), "GetConfirmedSignaturesForAddress")
+        })
+    }
+
+    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
@@ -1029,6 +1094,7 @@ 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
@@ -1043,7 +1109,14 @@ impl RpcClient {
                MAX_LOCKOUT_HISTORY + 1,
            ));
            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(),
+                );
+            }
        }
    }

--- a/client/src/rpc_request.rs
+++ b/client/src/rpc_request.rs
@@ -11,6 +11,8 @@ pub enum RpcRequest {
    GetClusterNodes,
    GetConfirmedBlock,
    GetConfirmedBlocks,
+    GetConfirmedSignaturesForAddress,
+    GetConfirmedTransaction,
    GetEpochInfo,
    GetEpochSchedule,
    GetGenesisHash,
@@ -51,6 +53,8 @@ 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",
--- a/client/src/rpc_response.rs
+++ b/client/src/rpc_response.rs
@@ -192,3 +192,19 @@ pub struct RpcStorageTurn {
    pub blockhash: String,
    pub slot: Slot,
 }
+
+#[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcAccountBalance {
+    pub address: String,
+    pub lamports: u64,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcSupply {
+    pub total: u64,
+    pub circulating: u64,
+    pub non_circulating: u64,
+    pub non_circulating_accounts: Vec<String>,
+}
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "solana-core"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 documentation = "https://docs.rs/solana"
 homepage = "https://solana.com/"
 readme = "../README.md"
@@ -36,41 +36,41 @@ log = "0.4.8"
 nix = "0.17.0"
 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 = "1.2.0"
 regex = "1.3.4"
 serde = "1.0.104"
 serde_derive = "1.0.103"
 serde_json = "1.0.46"
-solana-budget-program = { path = "../programs/budget", version = "1.0.14" }
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-transaction-status = { path = "../transaction-status", version = "1.0.14" }
-solana-faucet = { path = "../faucet", version = "1.0.14" }
-ed25519-dalek = "=1.0.0-pre.1"
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-merkle-tree = { path = "../merkle-tree", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-measure = { path = "../measure", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-chacha-cuda = { path = "../chacha-cuda", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
-solana-vote-signer = { path = "../vote-signer", version = "1.0.14" }
-solana-sys-tuner = { path = "../sys-tuner", version = "1.0.14" }
+solana-budget-program = { path = "../programs/budget", version = "1.0.22" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-transaction-status = { path = "../transaction-status", version = "1.0.22" }
+solana-faucet = { path = "../faucet", version = "1.0.22" }
+ed25519-dalek = "=1.0.0-pre.3"
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-merkle-tree = { path = "../merkle-tree", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-measure = { path = "../measure", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-chacha-cuda = { path = "../chacha-cuda", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
+solana-vote-signer = { path = "../vote-signer", version = "1.0.22" }
+solana-sys-tuner = { path = "../sys-tuner", version = "1.0.22" }
 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 = "1.0.14" }
+solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.0.22" }
 trees = "0.2.1"

 [dev-dependencies]
@@ -104,3 +104,6 @@ name = "cluster_info"
 [[bench]]
 name = "chacha"
 required-features = ["chacha"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/core/src/banking_stage.rs
+++ b/core/src/banking_stage.rs
@@ -1989,14 +1989,14 @@ mod tests {
                            meta.err,
                            Some(TransactionError::InstructionError(
                                0,
-                                InstructionError::CustomError(1)
+                                InstructionError::Custom(1)
                            ))
                        );
                        assert_eq!(
                            meta.status,
                            Err(TransactionError::InstructionError(
                                0,
-                                InstructionError::CustomError(1)
+                                InstructionError::Custom(1)
                            ))
                        );
                    } else {
--- a/core/src/cluster_info.rs
+++ b/core/src/cluster_info.rs
@@ -12,8 +12,6 @@
 //! * layer 2 - Everyone else, if layer 1 is `2^10`, layer 2 should be able to fit `2^20` number of nodes.
 //!
 //! Bank needs to provide an interface for us to query the stake weight
-use crate::crds_value::CompressionType::*;
-use crate::crds_value::EpochIncompleteSlots;
 use crate::packet::limited_deserialize;
 use crate::streamer::{PacketReceiver, PacketSender};
 use crate::{
@@ -21,20 +19,28 @@ use crate::{
    crds_gossip::CrdsGossip,
    crds_gossip_error::CrdsGossipError,
    crds_gossip_pull::{CrdsFilter, CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS},
-    crds_value::{self, CrdsData, CrdsValue, CrdsValueLabel, EpochSlots, SnapshotHash, Vote},
+    crds_value::{
+        self, CrdsData, CrdsValue, CrdsValueLabel, EpochSlots, SnapshotHash, Vote, MAX_WALLCLOCK,
+    },
    packet::{Packet, PACKET_DATA_SIZE},
    result::{Error, Result},
    sendmmsg::{multicast, send_mmsg},
    weighted_shuffle::{weighted_best, weighted_shuffle},
 };
+
+use rand::distributions::{Distribution, WeightedIndex};
+use rand::SeedableRng;
+use rand_chacha::ChaChaRng;
+use solana_sdk::sanitize::{Sanitize, SanitizeError};
+
 use bincode::{serialize, serialized_size};
-use compression::prelude::*;
 use core::cmp;
 use itertools::Itertools;
 use rayon::iter::IntoParallelIterator;
 use rayon::iter::ParallelIterator;
 use rayon::ThreadPool;
 use solana_ledger::{bank_forks::BankForks, staking_utils};
+use solana_measure::measure::Measure;
 use solana_measure::thread_mem_usage;
 use solana_metrics::{datapoint_debug, inc_new_counter_debug, inc_new_counter_error};
 use solana_net_utils::{
@@ -81,9 +87,6 @@ const MAX_PROTOCOL_HEADER_SIZE: u64 = 214;
 /// 128MB/PACKET_DATA_SIZE
 const MAX_GOSSIP_TRAFFIC: usize = 128_000_000 / PACKET_DATA_SIZE;

-const NUM_BITS_PER_BYTE: u64 = 8;
-const MIN_SIZE_TO_COMPRESS_GZIP: u64 = 64;
-
 /// Keep the number of snapshot hashes a node publishes under MAX_PROTOCOL_PAYLOAD_SIZE
 pub const MAX_SNAPSHOT_HASHES: usize = 16;

@@ -95,6 +98,12 @@ pub enum ClusterInfoError {
    BadGossipAddress,
 }
 #[derive(Clone)]
+pub struct DataBudget {
+    bytes: usize, // amount of bytes we have in the budget to send
+    last_timestamp_ms: u64, // Last time that we upped the bytes count,
+                  // used to detect when to up the bytes budget again
+}
+#[derive(Clone)]
 pub struct ClusterInfo {
    /// The network
    pub gossip: CrdsGossip,
@@ -103,6 +112,8 @@ pub struct ClusterInfo {
    /// The network entrypoint
    entrypoint: Option<ContactInfo>,
    last_datapoint_submit: Instant,
+
+    outbound_budget: DataBudget,
 }

 #[derive(Default, Clone)]
@@ -143,6 +154,15 @@ pub struct PruneData {
    pub wallclock: u64,
 }

+impl Sanitize for PruneData {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        if self.wallclock >= MAX_WALLCLOCK {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        Ok(())
+    }
+}
+
 impl Signable for PruneData {
    fn pubkey(&self) -> Pubkey {
        self.pubkey
@@ -188,6 +208,14 @@ pub fn make_accounts_hashes_message(
    Some(CrdsValue::new_signed(message, keypair))
 }

+fn distance(a: u64, b: u64) -> u64 {
+    if a > b {
+        a - b
+    } else {
+        b - a
+    }
+}
+
 // TODO These messages should go through the gpu pipeline for spam filtering
 #[derive(Serialize, Deserialize, Debug)]
 #[allow(clippy::large_enum_variant)]
@@ -199,6 +227,31 @@ enum Protocol {
    PruneMessage(Pubkey, PruneData),
 }

+impl Sanitize for Protocol {
+    fn sanitize(&self) -> std::result::Result<(), SanitizeError> {
+        match self {
+            Protocol::PullRequest(filter, val) => {
+                filter.sanitize()?;
+                val.sanitize()
+            }
+            Protocol::PullResponse(_, val) => val.sanitize(),
+            Protocol::PushMessage(_, val) => val.sanitize(),
+            Protocol::PruneMessage(_, val) => val.sanitize(),
+        }
+    }
+}
+
+// Rating for pull requests
+// A response table is generated as a
+// 2-d table arranged by target nodes and a
+// list of responses for that node,
+// to/responses_index is a location in that table.
+struct ResponseScore {
+    to: usize,              // to, index of who the response is to
+    responses_index: usize, // index into the list of responses for a given to
+    score: u64,             // Relative score of the response
+}
+
 impl ClusterInfo {
    /// Without a valid keypair gossip will not function. Only useful for tests.
    pub fn new_with_invalid_keypair(contact_info: ContactInfo) -> Self {
@@ -211,9 +264,13 @@ impl ClusterInfo {
            keypair,
            entrypoint: None,
            last_datapoint_submit: Instant::now(),
+            outbound_budget: DataBudget {
+                bytes: 0,
+                last_timestamp_ms: 0,
+            },
        };
-        let id = contact_info.id;
-        me.gossip.set_self(&id);
+        me.gossip.set_self(&contact_info.id);
+        me.gossip.set_shred_version(contact_info.shred_version);
        me.insert_self(contact_info);
        me.push_self(&HashMap::new());
        me
@@ -266,51 +323,59 @@ impl ClusterInfo {
        let now = timestamp();
        let mut spy_nodes = 0;
        let mut archivers = 0;
+        let mut different_shred_nodes = 0;
        let my_pubkey = self.my_data().id;
+        let my_shred_version = self.my_data().shred_version;
        let nodes: Vec<_> = self
            .all_peers()
            .into_iter()
-            .map(|(node, last_updated)| {
+            .filter_map(|(node, last_updated)| {
                if Self::is_spy_node(&node) {
                    spy_nodes += 1;
                } else if Self::is_archiver(&node) {
                    archivers += 1;
                }
-                fn addr_to_string(default_ip: &IpAddr, addr: &SocketAddr) -> String {
-                    if ContactInfo::is_valid_address(addr) {
-                        if &addr.ip() == default_ip {
-                            addr.port().to_string()
-                        } else {
-                            addr.to_string()
-                        }
-                    } else {
-                        "none".to_string()
-                    }
-                }

-                let ip_addr = node.gossip.ip();
-                format!(
-                    "{:15} {:2}| {:5} | {:44} | {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {}\n",
-                    if ContactInfo::is_valid_address(&node.gossip) {
-                        ip_addr.to_string()
-                    } else {
-                        "none".to_string()
-                    },
-                    if node.id == my_pubkey { "me" } else { "" }.to_string(),
-                    now.saturating_sub(last_updated),
-                    node.id.to_string(),
-                    addr_to_string(&ip_addr, &node.gossip),
-                    addr_to_string(&ip_addr, &node.tpu),
-                    addr_to_string(&ip_addr, &node.tpu_forwards),
-                    addr_to_string(&ip_addr, &node.tvu),
-                    addr_to_string(&ip_addr, &node.tvu_forwards),
-                    addr_to_string(&ip_addr, &node.repair),
-                    addr_to_string(&ip_addr, &node.serve_repair),
-                    addr_to_string(&ip_addr, &node.storage_addr),
-                    addr_to_string(&ip_addr, &node.rpc),
-                    addr_to_string(&ip_addr, &node.rpc_pubsub),
-                    node.shred_version,
-                )
+                if my_shred_version != 0 && (node.shred_version != 0 && node.shred_version != my_shred_version) {
+                    different_shred_nodes += 1;
+                    None
+                } else {
+                    fn addr_to_string(default_ip: &IpAddr, addr: &SocketAddr) -> String {
+                        if ContactInfo::is_valid_address(addr) {
+                            if &addr.ip() == default_ip {
+                                addr.port().to_string()
+                            } else {
+                                addr.to_string()
+                            }
+                        } else {
+                            "none".to_string()
+                        }
+                    }
+
+                    let ip_addr = node.gossip.ip();
+                    Some(format!(
+                        "{:15} {:2}| {:5} | {:44} | {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {:5}| {}\n",
+                        if ContactInfo::is_valid_address(&node.gossip) {
+                            ip_addr.to_string()
+                        } else {
+                            "none".to_string()
+                        },
+                        if node.id == my_pubkey { "me" } else { "" }.to_string(),
+                        now.saturating_sub(last_updated),
+                        node.id.to_string(),
+                        addr_to_string(&ip_addr, &node.gossip),
+                        addr_to_string(&ip_addr, &node.tpu),
+                        addr_to_string(&ip_addr, &node.tpu_forwards),
+                        addr_to_string(&ip_addr, &node.tvu),
+                        addr_to_string(&ip_addr, &node.tvu_forwards),
+                        addr_to_string(&ip_addr, &node.repair),
+                        addr_to_string(&ip_addr, &node.serve_repair),
+                        addr_to_string(&ip_addr, &node.storage_addr),
+                        addr_to_string(&ip_addr, &node.rpc),
+                        addr_to_string(&ip_addr, &node.rpc_pubsub),
+                        node.shred_version,
+                    ))
+                }
            })
            .collect();

@@ -320,7 +385,7 @@ impl ClusterInfo {
             ------------------+-------+----------------------------------------------+\
             ------+------+------+------+------+------+------+------+------+------+--------\n\
             {}\
-             Nodes: {}{}{}",
+             Nodes: {}{}{}{}",
            nodes.join(""),
            nodes.len() - spy_nodes - archivers,
            if archivers > 0 {
@@ -332,119 +397,29 @@ impl ClusterInfo {
                format!("\nSpies: {}", spy_nodes)
            } else {
                "".to_string()
+            },
+            if spy_nodes > 0 {
+                format!(
+                    "\nNodes with different shred version: {}",
+                    different_shred_nodes
+                )
+            } else {
+                "".to_string()
            }
        )
    }

-    pub fn compress_incomplete_slots(incomplete_slots: &BTreeSet<Slot>) -> EpochIncompleteSlots {
-        if !incomplete_slots.is_empty() {
-            let first_slot = incomplete_slots
-                .iter()
-                .next()
-                .expect("expected to find at least one slot");
-            let last_slot = incomplete_slots
-                .iter()
-                .next_back()
-                .expect("expected to find last slot");
-            let num_uncompressed_bits = last_slot.saturating_sub(*first_slot) + 1;
-            let num_uncompressed_bytes = if num_uncompressed_bits % NUM_BITS_PER_BYTE > 0 {
-                1
-            } else {
-                0
-            } + num_uncompressed_bits / NUM_BITS_PER_BYTE;
-            let mut uncompressed = vec![0u8; num_uncompressed_bytes as usize];
-            incomplete_slots.iter().for_each(|slot| {
-                let offset_from_first_slot = slot.saturating_sub(*first_slot);
-                let index = offset_from_first_slot / NUM_BITS_PER_BYTE;
-                let bit_index = offset_from_first_slot % NUM_BITS_PER_BYTE;
-                uncompressed[index as usize] |= 1 << bit_index;
-            });
-            if num_uncompressed_bytes >= MIN_SIZE_TO_COMPRESS_GZIP {
-                if let Ok(compressed) = uncompressed
-                    .iter()
-                    .cloned()
-                    .encode(&mut GZipEncoder::new(), Action::Finish)
-                    .collect::<std::result::Result<Vec<u8>, _>>()
-                {
-                    return EpochIncompleteSlots {
-                        first: *first_slot,
-                        compression: GZip,
-                        compressed_list: compressed,
-                    };
-                }
-            } else {
-                return EpochIncompleteSlots {
-                    first: *first_slot,
-                    compression: Uncompressed,
-                    compressed_list: uncompressed,
-                };
-            }
-        }
-        EpochIncompleteSlots::default()
-    }
-
-    fn bitmap_to_slot_list(first: Slot, bitmap: &[u8]) -> BTreeSet<Slot> {
-        let mut old_incomplete_slots: BTreeSet<Slot> = BTreeSet::new();
-        bitmap.iter().enumerate().for_each(|(i, val)| {
-            if *val != 0 {
-                (0..8).for_each(|bit_index| {
-                    if (1 << bit_index & *val) != 0 {
-                        let slot = first + i as u64 * NUM_BITS_PER_BYTE + bit_index as u64;
-                        old_incomplete_slots.insert(slot);
-                    }
-                })
-            }
-        });
-        old_incomplete_slots
-    }
-
-    pub fn decompress_incomplete_slots(slots: &EpochIncompleteSlots) -> BTreeSet<Slot> {
-        match slots.compression {
-            Uncompressed => Self::bitmap_to_slot_list(slots.first, &slots.compressed_list),
-            GZip => {
-                if let Ok(decompressed) = slots
-                    .compressed_list
-                    .iter()
-                    .cloned()
-                    .decode(&mut GZipDecoder::new())
-                    .collect::<std::result::Result<Vec<u8>, _>>()
-                {
-                    Self::bitmap_to_slot_list(slots.first, &decompressed)
-                } else {
-                    BTreeSet::new()
-                }
-            }
-            BZip2 => {
-                if let Ok(decompressed) = slots
-                    .compressed_list
-                    .iter()
-                    .cloned()
-                    .decode(&mut BZip2Decoder::new())
-                    .collect::<std::result::Result<Vec<u8>, _>>()
-                {
-                    Self::bitmap_to_slot_list(slots.first, &decompressed)
-                } else {
-                    BTreeSet::new()
-                }
-            }
-        }
-    }
-
    pub fn push_epoch_slots(
        &mut self,
        id: Pubkey,
-        root: Slot,
+        _root: Slot,
        min: Slot,
-        slots: BTreeSet<Slot>,
-        incomplete_slots: &BTreeSet<Slot>,
+        _slots: BTreeSet<Slot>,
+        _incomplete_slots: &BTreeSet<Slot>,
    ) {
-        let compressed = Self::compress_incomplete_slots(incomplete_slots);
        let now = timestamp();
        let entry = CrdsValue::new_signed(
-            CrdsData::EpochSlots(
-                0,
-                EpochSlots::new(id, root, min, slots, vec![compressed], now),
-            ),
+            CrdsData::EpochSlots(0, EpochSlots::new(id, min, now)),
            &self.keypair,
        );
        self.gossip
@@ -1003,7 +978,7 @@ impl ClusterInfo {
        let mut num_live_peers = 1i64;
        peers.iter().for_each(|p| {
            // A peer is considered live if they generated their contact info recently
-            if timestamp() - p.wallclock <= CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS {
+            if distance(timestamp(), p.wallclock) <= CRDS_GOSSIP_PULL_CRDS_TIMEOUT_MS {
                num_live_peers += 1;
            }
        });
@@ -1282,6 +1257,10 @@ impl ClusterInfo {
                                        entrypoint.shred_version, entrypoint.id
                                    );
                                    self_info.shred_version = entrypoint.shred_version;
+                                    obj.write()
+                                        .unwrap()
+                                        .gossip
+                                        .set_shred_version(entrypoint.shred_version);
                                    obj.write().unwrap().insert_self(self_info);
                                    adopt_shred_version = false;
                                }
@@ -1321,6 +1300,7 @@ impl ClusterInfo {
            let from_addr = packet.meta.addr();
            limited_deserialize(&packet.data[..packet.meta.size])
                .into_iter()
+                .filter(|r: &Protocol| r.sanitize().is_ok())
                .for_each(|request| match request {
                    Protocol::PullRequest(filter, caller) => {
                        let start = allocated.get();
@@ -1419,20 +1399,43 @@ impl ClusterInfo {
                })
        });
        // process the collected pulls together
-        let rsp = Self::handle_pull_requests(me, recycler, gossip_pull_data);
+        let rsp = Self::handle_pull_requests(me, recycler, gossip_pull_data, stakes);
        if let Some(rsp) = rsp {
            let _ignore_disconnect = response_sender.send(rsp);
        }
    }

+    // Pull requests take an incoming bloom filter of contained entries from a node
+    // and tries to send back to them the values it detects are missing.
    fn handle_pull_requests(
        me: &Arc<RwLock<Self>>,
        recycler: &PacketsRecycler,
        requests: Vec<PullData>,
+        stakes: &HashMap<Pubkey, u64>,
    ) -> Option<Packets> {
        // split the requests into addrs and filters
        let mut caller_and_filters = vec![];
        let mut addrs = vec![];
+        let mut time = Measure::start("handle_pull_requests");
+        {
+            let mut cluster_info = me.write().unwrap();
+
+            let now = timestamp();
+            const INTERVAL_MS: u64 = 100;
+            // allow 50kBps per staked validator, epoch slots + votes ~= 1.5kB/slot ~= 4kB/s
+            const BYTES_PER_INTERVAL: usize = 5000;
+            const MAX_BUDGET_MULTIPLE: usize = 5; // allow budget build-up to 5x the interval default
+
+            if now - cluster_info.outbound_budget.last_timestamp_ms > INTERVAL_MS {
+                let len = std::cmp::max(stakes.len(), 2);
+                cluster_info.outbound_budget.bytes += len * BYTES_PER_INTERVAL;
+                cluster_info.outbound_budget.bytes = std::cmp::min(
+                    cluster_info.outbound_budget.bytes,
+                    MAX_BUDGET_MULTIPLE * len * BYTES_PER_INTERVAL,
+                );
+                cluster_info.outbound_budget.last_timestamp_ms = now;
+            }
+        }
        for pull_data in requests {
            caller_and_filters.push((pull_data.caller, pull_data.filter));
            addrs.push(pull_data.from_addr);
@@ -1444,30 +1447,101 @@ impl ClusterInfo {
            .unwrap()
            .gossip
            .process_pull_requests(caller_and_filters, now);
-        let mut packets = Packets::new_with_recycler(recycler.clone(), 64, "handle_pull_requests");
-        pull_responses
+
+        // Filter bad to addresses
+        let pull_responses: Vec<_> = pull_responses
            .into_iter()
            .zip(addrs.into_iter())
-            .for_each(|(response, from_addr)| {
-                if !from_addr.ip().is_unspecified() && from_addr.port() != 0 {
-                    let len = response.len();
-                    trace!("get updates since response {}", len);
-                    inc_new_counter_debug!("cluster_info-pull_request-rsp", len);
-                    Self::split_gossip_messages(response)
-                        .into_iter()
-                        .for_each(|payload| {
-                            let protocol = Protocol::PullResponse(self_id, payload);
-                            // The remote node may not know its public IP:PORT. Instead of responding to the caller's
-                            // gossip addr, respond to the origin addr. The last origin addr is picked from the list of
-                            // addrs.
-                            packets
-                                .packets
-                                .push(Packet::from_data(&from_addr, protocol))
-                        })
+            .filter_map(|(responses, from_addr)| {
+                if !from_addr.ip().is_unspecified()
+                    && from_addr.port() != 0
+                    && !responses.is_empty()
+                {
+                    Some((responses, from_addr))
                } else {
-                    trace!("Dropping Gossip pull response, as destination is unknown");
+                    None
                }
-            });
+            })
+            .collect();
+
+        if pull_responses.is_empty() {
+            return None;
+        }
+
+        let mut stats: Vec<_> = pull_responses
+            .iter()
+            .enumerate()
+            .map(|(i, (responses, _from_addr))| {
+                let score: u64 = if stakes.get(&responses[0].pubkey()).is_some() {
+                    2
+                } else {
+                    1
+                };
+                responses
+                    .iter()
+                    .enumerate()
+                    .map(|(j, _response)| ResponseScore {
+                        to: i,
+                        responses_index: j,
+                        score,
+                    })
+                    .collect::<Vec<ResponseScore>>()
+            })
+            .flatten()
+            .collect();
+
+        stats.sort_by(|a, b| a.score.cmp(&b.score));
+        let weights: Vec<_> = stats.iter().map(|stat| stat.score).collect();
+
+        let seed = [48u8; 32];
+        let rng = &mut ChaChaRng::from_seed(seed);
+        let weighted_index = WeightedIndex::new(weights).unwrap();
+
+        let mut packets = Packets::new_with_recycler(recycler.clone(), 64, "handle_pull_requests");
+        let mut total_bytes = 0;
+        let outbound_budget = me.read().unwrap().outbound_budget.bytes;
+        let mut sent = HashSet::new();
+        while sent.len() < stats.len() {
+            let index = weighted_index.sample(rng);
+            if sent.contains(&index) {
+                continue;
+            }
+            sent.insert(index);
+            let stat = &stats[index];
+            let from_addr = pull_responses[stat.to].1;
+            let response = pull_responses[stat.to].0[stat.responses_index].clone();
+            let protocol = Protocol::PullResponse(self_id, vec![response]);
+            packets
+                .packets
+                .push(Packet::from_data(&from_addr, protocol));
+            let len = packets.packets.len();
+            total_bytes += packets.packets[len - 1].meta.size;
+
+            if total_bytes > outbound_budget {
+                inc_new_counter_info!("gossip_pull_request-no_budget", 1);
+                break;
+            }
+        }
+        {
+            let mut cluster_info = me.write().unwrap();
+            cluster_info.outbound_budget.bytes = cluster_info
+                .outbound_budget
+                .bytes
+                .saturating_sub(total_bytes);
+        }
+        time.stop();
+        inc_new_counter_info!("gossip_pull_request-sent_requests", sent.len());
+        inc_new_counter_info!(
+            "gossip_pull_request-dropped_requests",
+            stats.len() - sent.len()
+        );
+        debug!(
+            "handle_pull_requests: {} sent: {} total: {} total_bytes: {}",
+            time,
+            sent.len(),
+            stats.len(),
+            total_bytes
+        );
        if packets.is_empty() {
            return None;
        }
@@ -1577,7 +1651,10 @@ impl ClusterInfo {
            requests.push(more_reqs)
        }
        if num_requests >= MAX_GOSSIP_TRAFFIC {
-            warn!("Too much gossip traffic, ignoring some messages");
+            warn!(
+                "Too much gossip traffic, ignoring some messages (requests={}, max requests={})",
+                num_requests, MAX_GOSSIP_TRAFFIC
+            );
        }
        let epoch_ms;
        let stakes: HashMap<_, _> = match bank_forks {
@@ -1950,7 +2027,7 @@ impl Node {

 fn report_time_spent(label: &str, time: &Duration, extra: &str) {
    let count = duration_as_ms(time);
-    if count > 5 {
+    if count > 100 {
        info!("{} took: {} ms {}", label, count, extra);
    }
 }
@@ -2369,14 +2446,7 @@ mod tests {
        }
        let value = CrdsValue::new_unsigned(CrdsData::EpochSlots(
            0,
-            EpochSlots {
-                from: Pubkey::default(),
-                root: 0,
-                lowest: 0,
-                slots: btree_slots,
-                stash: vec![],
-                wallclock: 0,
-            },
+            EpochSlots::new(Pubkey::default(), 0, 0),
        ));
        test_split_messages(value);
    }
@@ -2388,39 +2458,19 @@ mod tests {
        let payload: Vec<CrdsValue> = vec![];
        let vec_size = serialized_size(&payload).unwrap();
        let desired_size = MAX_PROTOCOL_PAYLOAD_SIZE - vec_size;
-        let mut value = CrdsValue::new_unsigned(CrdsData::EpochSlots(
-            0,
-            EpochSlots {
-                from: Pubkey::default(),
-                root: 0,
-                lowest: 0,
-                slots: BTreeSet::new(),
-                stash: vec![],
-                wallclock: 0,
-            },
-        ));
+        let mut value = CrdsValue::new_unsigned(CrdsData::SnapshotHashes(SnapshotHash {
+            from: Pubkey::default(),
+            hashes: vec![],
+            wallclock: 0,
+        }));

        let mut i = 0;
        while value.size() <= desired_size {
-            let slots = (0..i).collect::<BTreeSet<_>>();
-            if slots.len() > 200 {
-                panic!(
-                    "impossible to match size: last {:?} vs desired {:?}",
-                    serialized_size(&value).unwrap(),
-                    desired_size
-                );
-            }
-            value.data = CrdsData::EpochSlots(
-                0,
-                EpochSlots {
-                    from: Pubkey::default(),
-                    root: 0,
-                    lowest: 0,
-                    slots,
-                    stash: vec![],
-                    wallclock: 0,
-                },
-            );
+            value.data = CrdsData::SnapshotHashes(SnapshotHash {
+                from: Pubkey::default(),
+                hashes: vec![(0, Hash::default()); i],
+                wallclock: 0,
+            });
            i += 1;
        }
        let split = ClusterInfo::split_gossip_messages(vec![value.clone()]);
@@ -2550,11 +2600,9 @@ mod tests {
            node_keypair,
        );
        for i in 0..10 {
-            let mut peer_root = 5;
            let mut peer_lowest = 0;
            if i >= 5 {
                // make these invalid for the upcoming repair request
-                peer_root = 15;
                peer_lowest = 10;
            }
            let other_node_pubkey = Pubkey::new_rand();
@@ -2562,14 +2610,7 @@ mod tests {
            cluster_info.insert_info(other_node.clone());
            let value = CrdsValue::new_unsigned(CrdsData::EpochSlots(
                0,
-                EpochSlots::new(
-                    other_node_pubkey,
-                    peer_root,
-                    peer_lowest,
-                    BTreeSet::new(),
-                    vec![],
-                    timestamp(),
-                ),
+                EpochSlots::new(other_node_pubkey, peer_lowest, timestamp()),
            ));
            let _ = cluster_info.gossip.crds.insert(value, timestamp());
        }
@@ -2618,6 +2659,14 @@ mod tests {
        assert_eq!(MAX_PROTOCOL_HEADER_SIZE, max_protocol_size);
    }

+    #[test]
+    fn test_protocol_sanitize() {
+        let mut pd = PruneData::default();
+        pd.wallclock = MAX_WALLCLOCK;
+        let msg = Protocol::PruneMessage(Pubkey::default(), pd);
+        assert_eq!(msg.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+    }
+
    // computes the maximum size for pull request blooms
    fn max_bloom_size() -> usize {
        let filter_size = serialized_size(&CrdsFilter::default())
@@ -2630,38 +2679,4 @@ mod tests {
            serialized_size(&protocol).expect("unable to serialize gossip protocol") as usize;
        PACKET_DATA_SIZE - (protocol_size - filter_size)
    }
-
-    #[test]
-    fn test_compress_incomplete_slots() {
-        let mut incomplete_slots: BTreeSet<Slot> = BTreeSet::new();
-
-        assert_eq!(
-            EpochIncompleteSlots::default(),
-            ClusterInfo::compress_incomplete_slots(&incomplete_slots)
-        );
-
-        incomplete_slots.insert(100);
-        let compressed = ClusterInfo::compress_incomplete_slots(&incomplete_slots);
-        assert_eq!(100, compressed.first);
-        let decompressed = ClusterInfo::decompress_incomplete_slots(&compressed);
-        assert_eq!(incomplete_slots, decompressed);
-
-        incomplete_slots.insert(104);
-        let compressed = ClusterInfo::compress_incomplete_slots(&incomplete_slots);
-        assert_eq!(100, compressed.first);
-        let decompressed = ClusterInfo::decompress_incomplete_slots(&compressed);
-        assert_eq!(incomplete_slots, decompressed);
-
-        incomplete_slots.insert(80);
-        let compressed = ClusterInfo::compress_incomplete_slots(&incomplete_slots);
-        assert_eq!(80, compressed.first);
-        let decompressed = ClusterInfo::decompress_incomplete_slots(&compressed);
-        assert_eq!(incomplete_slots, decompressed);
-
-        incomplete_slots.insert(10000);
-        let compressed = ClusterInfo::compress_incomplete_slots(&incomplete_slots);
-        assert_eq!(80, compressed.first);
-        let decompressed = ClusterInfo::decompress_incomplete_slots(&compressed);
-        assert_eq!(incomplete_slots, decompressed);
-    }
 }
--- a/core/src/commitment.rs
+++ b/core/src/commitment.rs
@@ -1,4 +1,5 @@
 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;
@@ -13,9 +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 {
@@ -28,17 +31,27 @@ 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(Default)]
 pub struct BlockCommitmentCache {
    block_commitment: HashMap<Slot, BlockCommitment>,
+    largest_confirmed_root: Slot,
    total_stake: u64,
    bank: Arc<Bank>,
+    blockstore: Arc<Blockstore>,
    root: Slot,
 }

@@ -59,22 +72,41 @@ impl std::fmt::Debug for BlockCommitmentCache {
 impl BlockCommitmentCache {
    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(),
+        }
+    }
+
    pub fn get_block_commitment(&self, slot: Slot) -> Option<&BlockCommitment> {
        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
    }
@@ -110,16 +142,30 @@ impl BlockCommitmentCache {
            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() -> Self {
+    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,
-            ..Self::default()
+            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 {
@@ -138,6 +184,18 @@ impl CommitmentAggregationData {
    }
 }

+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<()>,
 }
@@ -195,12 +253,18 @@ impl AggregateCommitmentService {
            }

            let mut aggregate_commitment_time = Measure::start("aggregate-commitment-ms");
-            let block_commitment = Self::aggregate_commitment(&ancestors, &aggregation_data.bank);
+            let (block_commitment, rooted_stake) =
+                Self::aggregate_commitment(&ancestors, &aggregation_data.bank);
+
+            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,
            );

@@ -215,7 +279,10 @@ impl AggregateCommitmentService {
        }
    }

-    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
@@ -224,6 +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;
@@ -236,17 +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,
@@ -259,12 +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 {
@@ -291,6 +362,7 @@ impl AggregateCommitmentService {
 mod tests {
    use super::*;
    use crate::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use solana_ledger::get_tmp_ledger_path;
    use solana_sdk::pubkey::Pubkey;
    use solana_stake_program::stake_state;
    use solana_vote_program::vote_state::{self, VoteStateVersions};
@@ -308,6 +380,8 @@ mod tests {
    #[test]
    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, 5);
@@ -325,7 +399,8 @@ mod tests {
        block_commitment.entry(0).or_insert(cache0.clone());
        block_commitment.entry(1).or_insert(cache1.clone());
        block_commitment.entry(2).or_insert(cache2.clone());
-        let block_commitment_cache = BlockCommitmentCache::new(block_commitment, 50, bank, 0);
+        let block_commitment_cache =
+            BlockCommitmentCache::new(block_commitment, 0, 50, bank, blockstore, 0);

        assert_eq!(block_commitment_cache.get_confirmation_count(0), Some(2));
        assert_eq!(block_commitment_cache.get_confirmation_count(1), Some(1));
@@ -333,17 +408,68 @@ mod tests {
        assert_eq!(block_commitment_cache.get_confirmation_count(3), None,);
    }

+    #[test]
+    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(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,
+        );
+
+        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,
@@ -351,15 +477,17 @@ 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();

@@ -368,6 +496,7 @@ 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,
@@ -376,7 +505,7 @@ 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();
@@ -384,12 +513,14 @@ 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();

@@ -400,6 +531,7 @@ 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,
@@ -408,7 +540,7 @@ 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();
@@ -420,6 +552,7 @@ mod tests {
                assert_eq!(*commitment.get(&a).unwrap(), expected);
            }
        }
+        assert_eq!(rooted_stake[0], (root, lamports));
    }

    #[test]
@@ -429,6 +562,8 @@ 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);
@@ -439,12 +574,36 @@ 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
@@ -464,7 +623,20 @@ 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 {
@@ -488,5 +660,7 @@ mod tests {
                assert!(commitment.get(&a).is_none());
            }
        }
+        assert_eq!(rooted_stake.len(), 2);
+        assert_eq!(get_largest_confirmed_root(rooted_stake, 100), 1)
    }
 }
--- a/core/src/consensus.rs
+++ b/core/src/consensus.rs
@@ -621,7 +621,7 @@ pub mod test {
            }
            let vote = tower.new_vote_from_bank(&bank, &my_vote_pubkey).0;
            if let Some(new_root) = tower.record_bank_vote(vote) {
-                ReplayStage::handle_new_root(new_root, bank_forks, progress, &None);
+                ReplayStage::handle_new_root(new_root, bank_forks, progress, &None, None);
            }

            // Mark the vote for this bank under this node's pubkey so it will be
--- a/core/src/contact_info.rs
+++ b/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));
+    }
 }
--- a/core/src/crds_gossip.rs
+++ b/core/src/crds_gossip.rs
@@ -20,6 +20,7 @@ pub const CRDS_GOSSIP_DEFAULT_BLOOM_ITEMS: usize = 500;
 pub struct CrdsGossip {
    pub crds: Crds,
    pub id: Pubkey,
+    pub shred_version: u16,
    pub push: CrdsGossipPush,
    pub pull: CrdsGossipPull,
 }
@@ -29,6 +30,7 @@ impl Default for CrdsGossip {
        CrdsGossip {
            crds: Crds::default(),
            id: Pubkey::default(),
+            shred_version: 0,
            push: CrdsGossipPush::default(),
            pull: CrdsGossipPull::default(),
        }
@@ -39,6 +41,9 @@ impl CrdsGossip {
    pub fn set_self(&mut self, id: &Pubkey) {
        self.id = *id;
    }
+    pub fn set_shred_version(&mut self, shred_version: u16) {
+        self.shred_version = shred_version;
+    }

    /// process a push message to the network
    pub fn process_push_message(
@@ -122,6 +127,7 @@ impl CrdsGossip {
            &self.crds,
            stakes,
            &self.id,
+            self.shred_version,
            self.pull.pull_request_time.len(),
            CRDS_GOSSIP_NUM_ACTIVE,
        )
@@ -134,8 +140,14 @@ impl CrdsGossip {
        stakes: &HashMap<Pubkey, u64>,
        bloom_size: usize,
    ) -> Result<(Pubkey, Vec<CrdsFilter>, CrdsValue), CrdsGossipError> {
-        self.pull
-            .new_pull_request(&self.crds, &self.id, now, stakes, bloom_size)
+        self.pull.new_pull_request(
+            &self.crds,
+            &self.id,
+            self.shred_version,
+            now,
+            stakes,
+            bloom_size,
+        )
    }

    /// time when a request to `from` was initiated
--- a/core/src/crds_gossip_pull.rs
+++ b/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;
@@ -138,11 +144,12 @@ impl CrdsGossipPull {
        &self,
        crds: &Crds,
        self_id: &Pubkey,
+        self_shred_version: u16,
        now: u64,
        stakes: &HashMap<Pubkey, u64>,
        bloom_size: usize,
    ) -> Result<(Pubkey, Vec<CrdsFilter>, CrdsValue), CrdsGossipError> {
-        let options = self.pull_options(crds, &self_id, now, stakes);
+        let options = self.pull_options(crds, &self_id, self_shred_version, now, stakes);
        if options.is_empty() {
            return Err(CrdsGossipError::NoPeers);
        }
@@ -159,13 +166,20 @@ impl CrdsGossipPull {
        &self,
        crds: &'a Crds,
        self_id: &Pubkey,
+        self_shred_version: u16,
        now: u64,
        stakes: &HashMap<Pubkey, u64>,
    ) -> Vec<(f32, &'a ContactInfo)> {
        crds.table
            .values()
            .filter_map(|v| v.value.contact_info())
-            .filter(|v| v.id != *self_id && ContactInfo::is_valid_address(&v.gossip))
+            .filter(|v| {
+                v.id != *self_id
+                    && ContactInfo::is_valid_address(&v.gossip)
+                    && (self_shred_version == 0
+                        || v.shred_version == 0
+                        || self_shred_version == v.shred_version)
+            })
            .map(|item| {
                let max_weight = f32::from(u16::max_value()) - 1.0;
                let req_time: u64 = *self.pull_request_time.get(&item.id).unwrap_or(&0);
@@ -396,7 +410,7 @@ mod test {
            stakes.insert(id, i * 100);
        }
        let now = 1024;
-        let mut options = node.pull_options(&crds, &me.label().pubkey(), now, &stakes);
+        let mut options = node.pull_options(&crds, &me.label().pubkey(), 0, now, &stakes);
        assert!(!options.is_empty());
        options.sort_by(|(weight_l, _), (weight_r, _)| weight_r.partial_cmp(weight_l).unwrap());
        // check that the highest stake holder is also the heaviest weighted.
@@ -406,6 +420,66 @@ mod test {
        );
    }

+    #[test]
+    fn test_no_pulls_from_different_shred_versions() {
+        let mut crds = Crds::default();
+        let stakes = HashMap::new();
+        let node = CrdsGossipPull::default();
+
+        let gossip = socketaddr!("127.0.0.1:1234");
+
+        let me = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 123,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let spy = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 0,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let node_123 = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 123,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let node_456 = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 456,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+
+        crds.insert(me.clone(), 0).unwrap();
+        crds.insert(spy.clone(), 0).unwrap();
+        crds.insert(node_123.clone(), 0).unwrap();
+        crds.insert(node_456.clone(), 0).unwrap();
+
+        // shred version 123 should ignore 456 nodes
+        let options = node
+            .pull_options(&crds, &me.label().pubkey(), 123, 0, &stakes)
+            .iter()
+            .map(|(_, c)| c.id)
+            .collect::<Vec<_>>();
+        assert_eq!(options.len(), 2);
+        assert!(options.contains(&spy.pubkey()));
+        assert!(options.contains(&node_123.pubkey()));
+
+        // spy nodes will see all
+        let options = node
+            .pull_options(&crds, &spy.label().pubkey(), 0, 0, &stakes)
+            .iter()
+            .map(|(_, c)| c.id)
+            .collect::<Vec<_>>();
+        assert_eq!(options.len(), 3);
+        assert!(options.contains(&me.pubkey()));
+        assert!(options.contains(&node_123.pubkey()));
+        assert!(options.contains(&node_456.pubkey()));
+    }
+
    #[test]
    fn test_new_pull_request() {
        let mut crds = Crds::default();
@@ -416,13 +490,13 @@ mod test {
        let id = entry.label().pubkey();
        let node = CrdsGossipPull::default();
        assert_eq!(
-            node.new_pull_request(&crds, &id, 0, &HashMap::new(), PACKET_DATA_SIZE),
+            node.new_pull_request(&crds, &id, 0, 0, &HashMap::new(), PACKET_DATA_SIZE),
            Err(CrdsGossipError::NoPeers)
        );

        crds.insert(entry.clone(), 0).unwrap();
        assert_eq!(
-            node.new_pull_request(&crds, &id, 0, &HashMap::new(), PACKET_DATA_SIZE),
+            node.new_pull_request(&crds, &id, 0, 0, &HashMap::new(), PACKET_DATA_SIZE),
            Err(CrdsGossipError::NoPeers)
        );

@@ -431,7 +505,7 @@ mod test {
            0,
        )));
        crds.insert(new.clone(), 0).unwrap();
-        let req = node.new_pull_request(&crds, &id, 0, &HashMap::new(), PACKET_DATA_SIZE);
+        let req = node.new_pull_request(&crds, &id, 0, 0, &HashMap::new(), PACKET_DATA_SIZE);
        let (to, _, self_info) = req.unwrap();
        assert_eq!(to, new.label().pubkey());
        assert_eq!(self_info, entry);
@@ -466,6 +540,7 @@ mod test {
            let req = node.new_pull_request(
                &crds,
                &node_pubkey,
+                0,
                u64::max_value(),
                &HashMap::new(),
                PACKET_DATA_SIZE,
@@ -495,6 +570,7 @@ mod test {
            &node_crds,
            &node_pubkey,
            0,
+            0,
            &HashMap::new(),
            PACKET_DATA_SIZE,
        );
@@ -567,6 +643,7 @@ mod test {
                &node_crds,
                &node_pubkey,
                0,
+                0,
                &HashMap::new(),
                PACKET_DATA_SIZE,
            );
--- a/core/src/crds_gossip_push.rs
+++ b/core/src/crds_gossip_push.rs
@@ -236,13 +236,14 @@ impl CrdsGossipPush {
        crds: &Crds,
        stakes: &HashMap<Pubkey, u64>,
        self_id: &Pubkey,
+        self_shred_version: u16,
        network_size: usize,
        ratio: usize,
    ) {
        let need = Self::compute_need(self.num_active, self.active_set.len(), ratio);
        let mut new_items = HashMap::new();

-        let options: Vec<_> = self.push_options(crds, &self_id, stakes);
+        let options: Vec<_> = self.push_options(crds, &self_id, self_shred_version, stakes);
        if options.is_empty() {
            return;
        }
@@ -288,13 +289,20 @@ impl CrdsGossipPush {
        &self,
        crds: &'a Crds,
        self_id: &Pubkey,
+        self_shred_version: u16,
        stakes: &HashMap<Pubkey, u64>,
    ) -> Vec<(f32, &'a ContactInfo)> {
        crds.table
            .values()
            .filter(|v| v.value.contact_info().is_some())
            .map(|v| (v.value.contact_info().unwrap(), v))
-            .filter(|(info, _)| info.id != *self_id && ContactInfo::is_valid_address(&info.gossip))
+            .filter(|(info, _)| {
+                info.id != *self_id
+                    && ContactInfo::is_valid_address(&info.gossip)
+                    && (self_shred_version == 0
+                        || info.shred_version == 0
+                        || self_shred_version == info.shred_version)
+            })
            .map(|(info, value)| {
                let max_weight = f32::from(u16::max_value()) - 1.0;
                let last_updated: u64 = value.local_timestamp;
@@ -510,7 +518,7 @@ mod test {
        )));

        assert_eq!(crds.insert(value1.clone(), 0), Ok(None));
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);

        assert!(push.active_set.get(&value1.label().pubkey()).is_some());
        let value2 = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo::new_localhost(
@@ -520,7 +528,7 @@ mod test {
        assert!(push.active_set.get(&value2.label().pubkey()).is_none());
        assert_eq!(crds.insert(value2.clone(), 0), Ok(None));
        for _ in 0..30 {
-            push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+            push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);
            if push.active_set.get(&value2.label().pubkey()).is_some() {
                break;
            }
@@ -533,7 +541,7 @@ mod test {
            ));
            assert_eq!(crds.insert(value2.clone(), 0), Ok(None));
        }
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);
        assert_eq!(push.active_set.len(), push.num_active);
    }
    #[test]
@@ -551,7 +559,7 @@ mod test {
            crds.insert(peer.clone(), time).unwrap();
            stakes.insert(id, i * 100);
        }
-        let mut options = push.push_options(&crds, &Pubkey::default(), &stakes);
+        let mut options = push.push_options(&crds, &Pubkey::default(), 0, &stakes);
        assert!(!options.is_empty());
        options.sort_by(|(weight_l, _), (weight_r, _)| weight_r.partial_cmp(weight_l).unwrap());
        // check that the highest stake holder is also the heaviest weighted.
@@ -560,6 +568,66 @@ mod test {
            10_000_u64
        );
    }
+
+    #[test]
+    fn test_no_pushes_to_from_different_shred_versions() {
+        let mut crds = Crds::default();
+        let stakes = HashMap::new();
+        let node = CrdsGossipPush::default();
+
+        let gossip = socketaddr!("127.0.0.1:1234");
+
+        let me = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 123,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let spy = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 0,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let node_123 = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 123,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+        let node_456 = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo {
+            id: Pubkey::new_rand(),
+            shred_version: 456,
+            gossip: gossip.clone(),
+            ..ContactInfo::default()
+        }));
+
+        crds.insert(me.clone(), 0).unwrap();
+        crds.insert(spy.clone(), 0).unwrap();
+        crds.insert(node_123.clone(), 0).unwrap();
+        crds.insert(node_456.clone(), 0).unwrap();
+
+        // shred version 123 should ignore 456 nodes
+        let options = node
+            .push_options(&crds, &me.label().pubkey(), 123, &stakes)
+            .iter()
+            .map(|(_, c)| c.id)
+            .collect::<Vec<_>>();
+        assert_eq!(options.len(), 2);
+        assert!(options.contains(&spy.pubkey()));
+        assert!(options.contains(&node_123.pubkey()));
+
+        // spy nodes will see all
+        let options = node
+            .push_options(&crds, &spy.label().pubkey(), 0, &stakes)
+            .iter()
+            .map(|(_, c)| c.id)
+            .collect::<Vec<_>>();
+        assert_eq!(options.len(), 3);
+        assert!(options.contains(&me.pubkey()));
+        assert!(options.contains(&node_123.pubkey()));
+        assert!(options.contains(&node_456.pubkey()));
+    }
    #[test]
    fn test_new_push_messages() {
        let mut crds = Crds::default();
@@ -569,7 +637,7 @@ mod test {
            0,
        )));
        assert_eq!(crds.insert(peer.clone(), 0), Ok(None));
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);

        let new_msg = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo::new_localhost(
            &Pubkey::new_rand(),
@@ -606,7 +674,7 @@ mod test {
            push.process_push_message(&mut crds, &Pubkey::default(), peer_3.clone(), 0),
            Ok(None)
        );
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);

        // push 3's contact info to 1 and 2 and 3
        let new_msg = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo::new_localhost(
@@ -628,7 +696,7 @@ mod test {
            0,
        )));
        assert_eq!(crds.insert(peer.clone(), 0), Ok(None));
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);

        let new_msg = CrdsValue::new_unsigned(CrdsData::ContactInfo(ContactInfo::new_localhost(
            &Pubkey::new_rand(),
@@ -651,7 +719,7 @@ mod test {
            0,
        )));
        assert_eq!(crds.insert(peer.clone(), 0), Ok(None));
-        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 1, 1);
+        push.refresh_push_active_set(&crds, &HashMap::new(), &Pubkey::default(), 0, 1, 1);

        let mut ci = ContactInfo::new_localhost(&Pubkey::new_rand(), 0);
        ci.wallclock = 1;
--- a/core/src/crds_value.rs
+++ b/core/src/crds_value.rs
@@ -1,5 +1,6 @@
 use crate::contact_info::ContactInfo;
 use bincode::{serialize, serialized_size};
+use solana_sdk::sanitize::{Sanitize, SanitizeError};
 use solana_sdk::timing::timestamp;
 use solana_sdk::{
    clock::Slot,
@@ -14,10 +15,14 @@ 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;

 pub type EpochSlotIndex = u8;
+pub const MAX_EPOCH_SLOTS: EpochSlotIndex = 1;

 /// CrdsValue that is replicated across the cluster
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
@@ -26,6 +31,13 @@ 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()
@@ -44,14 +56,8 @@ 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,
-            _ => true,
-        };
-        sig_check && data_check
+        self.get_signature()
+            .verify(&self.pubkey().as_ref(), self.signable_data().borrow())
    }
 }

@@ -87,6 +93,39 @@ pub struct EpochIncompleteSlots {
    pub compressed_list: Vec<u8>,
 }

+impl Sanitize for EpochIncompleteSlots {
+    fn sanitize(&self) -> Result<(), SanitizeError> {
+        if self.first >= MAX_SLOT {
+            return Err(SanitizeError::InvalidValue);
+        }
+        //rest of the data doesn't matter since we no longer decompress
+        //these values
+        Ok(())
+    }
+}
+
+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::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)]
 pub struct SnapshotHash {
    pub from: Pubkey,
@@ -94,6 +133,20 @@ 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 {
@@ -107,33 +160,47 @@ impl SnapshotHash {
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 pub struct EpochSlots {
    pub from: Pubkey,
-    pub root: Slot,
+    root: Slot,
    pub lowest: Slot,
-    pub slots: BTreeSet<Slot>,
-    pub stash: Vec<EpochIncompleteSlots>,
+    slots: BTreeSet<Slot>,
+    stash: Vec<EpochIncompleteSlots>,
    pub wallclock: u64,
 }

 impl EpochSlots {
-    pub fn new(
-        from: Pubkey,
-        root: Slot,
-        lowest: Slot,
-        slots: BTreeSet<Slot>,
-        stash: Vec<EpochIncompleteSlots>,
-        wallclock: u64,
-    ) -> Self {
+    pub fn new(from: Pubkey, lowest: Slot, wallclock: u64) -> Self {
        Self {
            from,
-            root,
+            root: 0,
            lowest,
-            slots,
-            stash,
+            slots: BTreeSet::new(),
+            stash: vec![],
            wallclock,
        }
    }
 }

+impl Sanitize for EpochSlots {
+    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 >= MAX_SLOT {
+            return Err(SanitizeError::ValueOutOfBounds);
+        }
+        for slot in &self.slots {
+            if *slot >= MAX_SLOT {
+                return Err(SanitizeError::ValueOutOfBounds);
+            }
+        }
+        self.stash.sanitize()?;
+        self.from.sanitize()
+    }
+}
+
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 pub struct Vote {
    pub from: Pubkey,
@@ -141,6 +208,16 @@ 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 {
@@ -356,7 +433,7 @@ mod test {

        let v = CrdsValue::new_unsigned(CrdsData::EpochSlots(
            0,
-            EpochSlots::new(Pubkey::default(), 0, 0, BTreeSet::new(), vec![], 0),
+            EpochSlots::new(Pubkey::default(), 0, 0),
        ));
        assert_eq!(v.wallclock(), 0);
        let key = v.clone().epoch_slots().unwrap().from;
@@ -377,10 +454,9 @@ mod test {
            Vote::new(&keypair.pubkey(), test_tx(), timestamp()),
        ));
        verify_signatures(&mut v, &keypair, &wrong_keypair);
-        let btreeset: BTreeSet<Slot> = vec![1, 2, 3, 6, 8].into_iter().collect();
        v = CrdsValue::new_unsigned(CrdsData::EpochSlots(
            0,
-            EpochSlots::new(keypair.pubkey(), 0, 0, btreeset, vec![], timestamp()),
+            EpochSlots::new(keypair.pubkey(), 0, timestamp()),
        ));
        verify_signatures(&mut v, &keypair, &wrong_keypair);
    }
@@ -395,9 +471,21 @@ mod test {
            ),
            &keypair,
        );
-        assert!(!vote.verify());
+        assert!(vote.sanitize().is_err());
    }

+    #[test]
+    fn test_max_epoch_slots_index() {
+        let keypair = Keypair::new();
+        let item = CrdsValue::new_signed(
+            CrdsData::Vote(
+                MAX_VOTES,
+                Vote::new(&keypair.pubkey(), test_tx(), timestamp()),
+            ),
+            &keypair,
+        );
+        assert_eq!(item.sanitize(), Err(SanitizeError::ValueOutOfBounds));
+    }
    #[test]
    fn test_compute_vote_index_empty() {
        for i in 0..MAX_VOTES {
--- a/core/src/ledger_cleanup_service.rs
+++ b/core/src/ledger_cleanup_service.rs
@@ -13,15 +13,18 @@ use std::thread;
 use std::thread::{Builder, JoinHandle};
 use std::time::Duration;

-// - To try and keep the RocksDB size under 512GB:
-//   Seeing about 1600b/shred, using 2000b/shred for margin, so 250m shreds can be stored in 512gb.
-//   at 5k shreds/slot at 50k tps, this is 500k slots (~5.5 hours).
+// - 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
 // - 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_SHREDS: u64 = 250_000_000;
+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.
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -29,6 +29,7 @@ pub mod genesis_utils;
 pub mod gossip_service;
 pub mod ledger_cleanup_service;
 pub mod local_vote_signer_service;
+pub mod non_circulating_supply;
 pub mod packet;
 pub mod poh_recorder;
 pub mod poh_service;
--- a/core/src/non_circulating_supply.rs
+++ b/core/src/non_circulating_supply.rs
@@ -0,0 +1,193 @@
+use solana_runtime::bank::Bank;
+use solana_sdk::pubkey::Pubkey;
+use solana_stake_program::stake_state::StakeState;
+use std::{collections::HashSet, sync::Arc};
+
+pub struct NonCirculatingSupply {
+    pub lamports: u64,
+    pub accounts: Vec<Pubkey>,
+}
+
+pub fn calculate_non_circulating_supply(bank: Arc<Bank>) -> NonCirculatingSupply {
+    debug!("Updating Bank supply, epoch: {}", bank.epoch());
+    let mut non_circulating_accounts_set: HashSet<Pubkey> = HashSet::new();
+
+    for key in non_circulating_accounts() {
+        non_circulating_accounts_set.insert(key);
+    }
+
+    let clock = bank.clock();
+    let stake_accounts = bank.get_program_accounts(Some(&solana_stake_program::id()));
+    for (pubkey, account) in stake_accounts.iter() {
+        let stake_account = StakeState::from(&account).unwrap_or_default();
+        match stake_account {
+            StakeState::Initialized(meta) => {
+                if meta.lockup.is_in_force(&clock, &HashSet::default())
+                    || meta.authorized.withdrawer == withdraw_authority()
+                {
+                    non_circulating_accounts_set.insert(*pubkey);
+                }
+            }
+            StakeState::Stake(meta, _stake) => {
+                if meta.lockup.is_in_force(&clock, &HashSet::default())
+                    || meta.authorized.withdrawer == withdraw_authority()
+                {
+                    non_circulating_accounts_set.insert(*pubkey);
+                }
+            }
+            _ => {}
+        }
+    }
+
+    let lamports = non_circulating_accounts_set
+        .iter()
+        .fold(0, |acc, pubkey| acc + bank.get_balance(&pubkey));
+
+    NonCirculatingSupply {
+        lamports,
+        accounts: non_circulating_accounts_set.into_iter().collect(),
+    }
+}
+
+// Mainnet-beta accounts that should be considered non-circulating
+solana_sdk::pubkeys!(
+    non_circulating_accounts,
+    [
+        "9huDUZfxoJ7wGMTffUE7vh1xePqef7gyrLJu9NApncqA",
+        "GK2zqSsXLA2rwVZk347RYhh6jJpRsCA69FjLW93ZGi3B",
+        "HCV5dGFJXRrJ3jhDYA4DCeb9TEDTwGGYXtT3wHksu2Zr",
+        "25odAafVXnd63L6Hq5Cx6xGmhKqkhE2y6UrLVuqUfWZj",
+        "14FUT96s9swbmH7ZjpDvfEDywnAYy9zaNhv4xvezySGu",
+        "HbZ5FfmKWNHC7uwk6TF1hVi6TCs7dtYfdjEcuPGgzFAg",
+        "C7C8odR8oashR5Feyrq2tJKaXL18id1dSj2zbkDGL2C2",
+        "APnSR52EC1eH676m7qTBHUJ1nrGpHYpV7XKPxgRDD8gX",
+        "9ibqedFVnu5k4wo1mJRbH6KJ5HLBCyjpA9omPYkDeeT5",
+        "FopBKzQkG9pkyQqjdMFBLMQ995pSkjy83ziR4aism4c6",
+        "AiUHvJhTbMCcgFE2K26Ea9qCe74y3sFwqUt38iD5sfoR",
+        "3DndE3W53QdHSfBJiSJgzDKGvKJBoQLVmRHvy5LtqYfG",
+        "Eyr9P5XsjK2NUKNCnfu39eqpGoiLFgVAv1LSQgMZCwiQ",
+        "DE1bawNcRJB9rVm3buyMVfr8mBEoyyu73NBovf2oXJsJ",
+        "CakcnaRDHka2gXyfbEd2d3xsvkJkqsLw2akB3zsN1D2S",
+        "7Np41oeYqPefeNQEHSv1UDhYrehxin3NStELsSKCT4K2",
+        "GdnSyH3YtwcxFvQrVVJMm1JhTS4QVX7MFsX56uJLUfiZ",
+        "Mc5XB47H3DKJHym5RLa9mPzWv5snERsF3KNv5AauXK8",
+        "7cvkjYAkUYs4W8XcXsca7cBrEGFeSUjeZmKoNBvEwyri",
+        "AG3m2bAibcY8raMt4oXEGqRHwX4FWKPPJVjZxn1LySDX",
+        "5XdtyEDREHJXXW1CTtCsVjJRjBapAwK78ZquzvnNVRrV",
+        "6yKHERk8rsbmJxvMpPuwPs1ct3hRiP7xaJF2tvnGU6nK",
+        "CHmdL15akDcJgBkY6BP3hzs98Dqr6wbdDC5p8odvtSbq",
+        "FR84wZQy3Y3j2gWz6pgETUiUoJtreMEuWfbg6573UCj9",
+        "5q54XjQ7vDx4y6KphPeE97LUNiYGtP55spjvXAWPGBuf",
+    ]
+);
+
+// Withdraw authority for autostaked accounts on mainnet-beta
+solana_sdk::pubkeys!(
+    withdraw_authority,
+    "8CUUMKYNGxdgYio5CLHRHyzMEhhVRMcqefgE6dLqnVRK"
+);
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use solana_sdk::{
+        account::Account, epoch_schedule::EpochSchedule, genesis_config::GenesisConfig,
+    };
+    use solana_stake_program::stake_state::{Authorized, Lockup, Meta, StakeState};
+    use std::{collections::BTreeMap, sync::Arc};
+
+    fn new_from_parent(parent: &Arc<Bank>) -> Bank {
+        Bank::new_from_parent(parent, &Pubkey::default(), parent.slot() + 1)
+    }
+
+    #[test]
+    fn test_calculate_non_circulating_supply() {
+        let mut accounts: BTreeMap<Pubkey, Account> = BTreeMap::new();
+        let balance = 10;
+        let num_genesis_accounts = 10;
+        for _ in 0..num_genesis_accounts {
+            accounts.insert(
+                Pubkey::new_rand(),
+                Account::new(balance, 0, &Pubkey::default()),
+            );
+        }
+        let non_circulating_accounts = non_circulating_accounts();
+        let num_non_circulating_accounts = non_circulating_accounts.len() as u64;
+        for key in non_circulating_accounts.clone() {
+            accounts.insert(key, Account::new(balance, 0, &Pubkey::default()));
+        }
+
+        let num_stake_accounts = 3;
+        for _ in 0..num_stake_accounts {
+            let pubkey = Pubkey::new_rand();
+            let meta = Meta {
+                authorized: Authorized::auto(&pubkey),
+                lockup: Lockup {
+                    epoch: 1,
+                    ..Lockup::default()
+                },
+                ..Meta::default()
+            };
+            let stake_account = Account::new_data_with_space(
+                balance,
+                &StakeState::Initialized(meta),
+                std::mem::size_of::<StakeState>(),
+                &solana_stake_program::id(),
+            )
+            .unwrap();
+            accounts.insert(pubkey, stake_account);
+        }
+
+        let slots_per_epoch = 32;
+        let genesis_config = GenesisConfig {
+            accounts,
+            epoch_schedule: EpochSchedule::new(slots_per_epoch),
+            ..GenesisConfig::default()
+        };
+        let mut bank = Arc::new(Bank::new(&genesis_config));
+        assert_eq!(
+            bank.capitalization(),
+            (num_genesis_accounts + num_non_circulating_accounts + num_stake_accounts) * balance
+        );
+
+        let non_circulating_supply = calculate_non_circulating_supply(bank.clone());
+        assert_eq!(
+            non_circulating_supply.lamports,
+            (num_non_circulating_accounts + num_stake_accounts) * balance
+        );
+        assert_eq!(
+            non_circulating_supply.accounts.len(),
+            num_non_circulating_accounts as usize + num_stake_accounts as usize
+        );
+
+        bank = Arc::new(new_from_parent(&bank));
+        let new_balance = 11;
+        for key in non_circulating_accounts {
+            bank.store_account(&key, &Account::new(new_balance, 0, &Pubkey::default()));
+        }
+        let non_circulating_supply = calculate_non_circulating_supply(bank.clone());
+        assert_eq!(
+            non_circulating_supply.lamports,
+            (num_non_circulating_accounts * new_balance) + (num_stake_accounts * balance)
+        );
+        assert_eq!(
+            non_circulating_supply.accounts.len(),
+            num_non_circulating_accounts as usize + num_stake_accounts as usize
+        );
+
+        // Advance bank an epoch, which should unlock stakes
+        for _ in 0..slots_per_epoch {
+            bank = Arc::new(new_from_parent(&bank));
+        }
+        assert_eq!(bank.epoch(), 1);
+        let non_circulating_supply = calculate_non_circulating_supply(bank.clone());
+        assert_eq!(
+            non_circulating_supply.lamports,
+            num_non_circulating_accounts * new_balance
+        );
+        assert_eq!(
+            non_circulating_supply.accounts.len(),
+            num_non_circulating_accounts as usize
+        );
+    }
+}
--- a/core/src/poh_service.rs
+++ b/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};
--- a/core/src/recvmmsg.rs
+++ b/core/src/recvmmsg.rs
@@ -213,49 +213,4 @@ mod tests {
            assert_eq!(packets[i].meta.addr(), saddr2);
        }
    }
-
-    #[cfg(target_os = "linux")]
-    #[test]
-    pub fn test_recv_mmsg_batch_size() {
-        let reader = UdpSocket::bind("127.0.0.1:0").expect("bind");
-        let addr = reader.local_addr().unwrap();
-        let sender = UdpSocket::bind("127.0.0.1:0").expect("bind");
-
-        const TEST_BATCH_SIZE: usize = 64;
-        let sent = TEST_BATCH_SIZE;
-
-        let mut elapsed_in_max_batch = 0;
-        (0..1000).for_each(|_| {
-            for _ in 0..sent {
-                let data = [0; PACKET_DATA_SIZE];
-                sender.send_to(&data[..], &addr).unwrap();
-            }
-            let mut packets = vec![Packet::default(); TEST_BATCH_SIZE];
-            let now = Instant::now();
-            let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
-            elapsed_in_max_batch += now.elapsed().as_nanos();
-            assert_eq!(TEST_BATCH_SIZE, recv);
-        });
-
-        let mut elapsed_in_small_batch = 0;
-        (0..1000).for_each(|_| {
-            for _ in 0..sent {
-                let data = [0; PACKET_DATA_SIZE];
-                sender.send_to(&data[..], &addr).unwrap();
-            }
-            let mut packets = vec![Packet::default(); 4];
-            let mut recv = 0;
-            let now = Instant::now();
-            while let Ok(num) = recv_mmsg(&reader, &mut packets[..]) {
-                recv += num.1;
-                if recv >= TEST_BATCH_SIZE {
-                    break;
-                }
-            }
-            elapsed_in_small_batch += now.elapsed().as_nanos();
-            assert_eq!(TEST_BATCH_SIZE, recv);
-        });
-
-        assert!(elapsed_in_max_batch <= elapsed_in_small_batch);
-    }
 }
--- a/core/src/replay_stage.rs
+++ b/core/src/replay_stage.rs
@@ -26,6 +26,7 @@ use solana_metrics::inc_new_counter_info;
 use solana_runtime::bank::Bank;
 use solana_sdk::{
    clock::Slot,
+    genesis_config::GenesisConfig,
    hash::Hash,
    pubkey::Pubkey,
    signature::{Keypair, Signer},
@@ -66,7 +67,6 @@ impl Drop for Finalizer {
    }
 }

-#[derive(Default)]
 pub struct ReplayStageConfig {
    pub my_pubkey: Pubkey,
    pub vote_account: Pubkey,
@@ -80,6 +80,7 @@ pub struct ReplayStageConfig {
    pub block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
    pub transaction_status_sender: Option<TransactionStatusSender>,
    pub rewards_recorder_sender: Option<RewardsRecorderSender>,
+    pub genesis_config: GenesisConfig,
 }

 pub struct ReplayStage {
@@ -183,6 +184,7 @@ impl ReplayStage {
            block_commitment_cache,
            transaction_status_sender,
            rewards_recorder_sender,
+            genesis_config,
        } = config;

        let (root_bank_sender, root_bank_receiver) = channel();
@@ -246,6 +248,7 @@ impl ReplayStage {
                        &slot_full_senders,
                        transaction_status_sender.clone(),
                        &verify_recyclers,
+                        &genesis_config,
                    );
                    datapoint_debug!(
                        "replay_stage-memory",
@@ -253,13 +256,15 @@ impl ReplayStage {
                    );

                    let ancestors = Arc::new(bank_forks.read().unwrap().ancestors());
+                    let forks_root = bank_forks.read().unwrap().root();
                    let start = allocated.get();
                    let mut frozen_banks: Vec<_> = bank_forks
                        .read()
                        .unwrap()
                        .frozen_banks()
-                        .values()
-                        .cloned()
+                        .into_iter()
+                        .filter(|(slot, _)| *slot >= forks_root)
+                        .map(|(_, bank)| bank)
                        .collect();
                    let newly_computed_slot_stats = Self::compute_bank_stats(
                        &my_pubkey,
@@ -340,6 +345,7 @@ impl ReplayStage {
                            &accounts_hash_sender,
                            &latest_root_senders,
                            &subscriptions,
+                            &block_commitment_cache,
                        )?;
                    }
                    datapoint_debug!(
@@ -551,6 +557,7 @@ impl ReplayStage {
        bank_progress: &mut ForkProgress,
        transaction_status_sender: Option<TransactionStatusSender>,
        verify_recyclers: &VerifyRecyclers,
+        genesis_config: &GenesisConfig,
    ) -> result::Result<usize, BlockstoreProcessorError> {
        let tx_count_before = bank_progress.replay_progress.num_txs;
        let confirm_result = blockstore_processor::confirm_slot(
@@ -562,6 +569,7 @@ impl ReplayStage {
            transaction_status_sender,
            None,
            verify_recyclers,
+            Some(genesis_config),
        );
        let tx_count_after = bank_progress.replay_progress.num_txs;
        let tx_count = tx_count_after - tx_count_before;
@@ -612,6 +620,7 @@ impl ReplayStage {
        accounts_hash_sender: &Option<SnapshotPackageSender>,
        latest_root_senders: &[Sender<Slot>],
        subscriptions: &Arc<RpcSubscriptions>,
+        block_commitment_cache: &Arc<RwLock<BlockCommitmentCache>>,
    ) -> Result<()> {
        if bank.is_empty() {
            inc_new_counter_info!("replay_stage-voted_empty_bank", 1);
@@ -637,7 +646,20 @@ impl ReplayStage {
            blockstore
                .set_roots(&rooted_slots)
                .expect("Ledger set roots failed");
-            Self::handle_new_root(new_root, &bank_forks, progress, accounts_hash_sender);
+            let largest_confirmed_root = Some(
+                block_commitment_cache
+                    .read()
+                    .unwrap()
+                    .largest_confirmed_root(),
+            );
+
+            Self::handle_new_root(
+                new_root,
+                &bank_forks,
+                progress,
+                accounts_hash_sender,
+                largest_confirmed_root,
+            );
            subscriptions.notify_roots(rooted_slots);
            latest_root_senders.iter().for_each(|s| {
                if let Err(e) = s.send(new_root) {
@@ -737,6 +759,7 @@ impl ReplayStage {
        slot_full_senders: &[Sender<(u64, Pubkey)>],
        transaction_status_sender: Option<TransactionStatusSender>,
        verify_recyclers: &VerifyRecyclers,
+        genesis_config: &GenesisConfig,
    ) -> bool {
        let mut did_complete_bank = false;
        let mut tx_count = 0;
@@ -765,6 +788,7 @@ impl ReplayStage {
                    bank_progress,
                    transaction_status_sender.clone(),
                    verify_recyclers,
+                    genesis_config,
                );
                match replay_result {
                    Ok(replay_tx_count) => tx_count += replay_tx_count,
@@ -971,15 +995,17 @@ impl ReplayStage {
    }

    pub(crate) fn handle_new_root(
-        new_root: u64,
+        new_root: Slot,
        bank_forks: &RwLock<BankForks>,
        progress: &mut HashMap<u64, ForkProgress>,
        accounts_hash_sender: &Option<SnapshotPackageSender>,
+        largest_confirmed_root: Option<Slot>,
    ) {
-        bank_forks
-            .write()
-            .unwrap()
-            .set_root(new_root, accounts_hash_sender);
+        bank_forks.write().unwrap().set_root(
+            new_root,
+            accounts_hash_sender,
+            largest_confirmed_root,
+        );
        let r_bank_forks = bank_forks.read().unwrap();
        progress.retain(|k, _| r_bank_forks.get(*k).is_some());
    }
@@ -1008,7 +1034,11 @@ impl ReplayStage {
        // Find the next slot that chains to the old slot
        let forks = forks_lock.read().unwrap();
        let frozen_banks = forks.frozen_banks();
-        let frozen_bank_slots: Vec<u64> = frozen_banks.keys().cloned().collect();
+        let frozen_bank_slots: Vec<u64> = frozen_banks
+            .keys()
+            .cloned()
+            .filter(|s| *s >= forks.root())
+            .collect();
        let next_slots = blockstore
            .get_slots_since(&frozen_bank_slots)
            .expect("Db error");
@@ -1411,7 +1441,9 @@ pub(crate) mod tests {
            let exit = Arc::new(AtomicBool::new(false));
            let subscriptions = Arc::new(RpcSubscriptions::new(
                &exit,
-                Arc::new(RwLock::new(BlockCommitmentCache::default())),
+                Arc::new(RwLock::new(BlockCommitmentCache::default_with_blockstore(
+                    blockstore.clone(),
+                ))),
            ));
            let bank_forks = BankForks::new(0, bank0);
            bank_forks.working_bank().freeze();
@@ -1464,12 +1496,58 @@ pub(crate) mod tests {
        for i in 0..=root {
            progress.insert(i, ForkProgress::new(Hash::default()));
        }
-        ReplayStage::handle_new_root(root, &bank_forks, &mut progress, &None);
+        ReplayStage::handle_new_root(root, &bank_forks, &mut progress, &None, None);
        assert_eq!(bank_forks.read().unwrap().root(), root);
        assert_eq!(progress.len(), 1);
        assert!(progress.get(&root).is_some());
    }

+    #[test]
+    fn test_handle_new_root_ahead_of_largest_confirmed_root() {
+        let genesis_config = create_genesis_config(10_000).genesis_config;
+        let bank0 = Bank::new(&genesis_config);
+        let bank_forks = Arc::new(RwLock::new(BankForks::new(0, bank0)));
+        let confirmed_root = 1;
+        let fork = 2;
+        let bank1 = Bank::new_from_parent(
+            bank_forks.read().unwrap().get(0).unwrap(),
+            &Pubkey::default(),
+            confirmed_root,
+        );
+        bank_forks.write().unwrap().insert(bank1);
+        let bank2 = Bank::new_from_parent(
+            bank_forks.read().unwrap().get(confirmed_root).unwrap(),
+            &Pubkey::default(),
+            fork,
+        );
+        bank_forks.write().unwrap().insert(bank2);
+        let root = 3;
+        let root_bank = Bank::new_from_parent(
+            bank_forks.read().unwrap().get(confirmed_root).unwrap(),
+            &Pubkey::default(),
+            root,
+        );
+        bank_forks.write().unwrap().insert(root_bank);
+        let mut progress = HashMap::new();
+        for i in 0..=root {
+            progress.insert(i, ForkProgress::new(Hash::default()));
+        }
+        ReplayStage::handle_new_root(
+            root,
+            &bank_forks,
+            &mut progress,
+            &None,
+            Some(confirmed_root),
+        );
+        assert_eq!(bank_forks.read().unwrap().root(), root);
+        assert!(bank_forks.read().unwrap().get(confirmed_root).is_some());
+        assert!(bank_forks.read().unwrap().get(fork).is_none());
+        assert_eq!(progress.len(), 2);
+        assert!(progress.get(&root).is_some());
+        assert!(progress.get(&confirmed_root).is_some());
+        assert!(progress.get(&fork).is_none());
+    }
+
    #[test]
    fn test_dead_fork_transaction_error() {
        let keypair1 = Keypair::new();
@@ -1709,6 +1787,7 @@ pub(crate) mod tests {
                &mut bank0_progress,
                None,
                &VerifyRecyclers::default(),
+                &genesis_config,
            );

            // Check that the erroring bank was marked as dead in the progress map
@@ -1736,7 +1815,11 @@ pub(crate) mod tests {
            bank.store_account(&pubkey, &leader_vote_account);
        }

-        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::default()));
+        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.clone()),
+        ));
        let (lockouts_sender, _) = AggregateCommitmentService::new(
            &Arc::new(AtomicBool::new(false)),
            block_commitment_cache.clone(),
@@ -1941,14 +2024,14 @@ pub(crate) mod tests {
                            meta.err,
                            Some(TransactionError::InstructionError(
                                0,
-                                InstructionError::CustomError(1)
+                                InstructionError::Custom(1)
                            ))
                        );
                        assert_eq!(
                            meta.status,
                            Err(TransactionError::InstructionError(
                                0,
-                                InstructionError::CustomError(1)
+                                InstructionError::Custom(1)
                            ))
                        );
                    } else {
--- a/core/src/rpc.rs
+++ b/core/src/rpc.rs
@@ -1,18 +1,21 @@
 //! The `rpc` module implements the Solana RPC interface.

 use crate::{
-    cluster_info::ClusterInfo, commitment::BlockCommitmentCache, contact_info::ContactInfo,
-    packet::PACKET_DATA_SIZE, storage_stage::StorageState, validator::ValidatorExit,
+    cluster_info::ClusterInfo,
+    commitment::{BlockCommitmentArray, BlockCommitmentCache},
+    contact_info::ContactInfo,
+    non_circulating_supply::calculate_non_circulating_supply,
+    packet::PACKET_DATA_SIZE,
+    storage_stage::StorageState,
+    validator::ValidatorExit,
 };
 use bincode::serialize;
-use jsonrpc_core::{Error, Metadata, Result};
+use jsonrpc_core::{Error, ErrorCode, Metadata, Result};
 use jsonrpc_derive::rpc;
 use solana_client::rpc_response::*;
 use solana_faucet::faucet::request_airdrop_transaction;
-use solana_ledger::{
-    bank_forks::BankForks, blockstore::Blockstore, rooted_slot_iterator::RootedSlotIterator,
-};
-use solana_runtime::bank::Bank;
+use solana_ledger::{bank_forks::BankForks, blockstore::Blockstore};
+use solana_runtime::{accounts::AccountAddressFilter, bank::Bank};
 use solana_sdk::{
    clock::{Slot, UnixTimestamp},
    commitment_config::{CommitmentConfig, CommitmentLevel},
@@ -24,10 +27,13 @@ use solana_sdk::{
    timing::slot_duration_from_slots_per_year,
    transaction::{self, Transaction},
 };
-use solana_transaction_status::{ConfirmedBlock, TransactionEncoding, TransactionStatus};
+use solana_transaction_status::{
+    ConfirmedBlock, ConfirmedTransaction, TransactionEncoding, TransactionStatus,
+};
 use solana_vote_program::vote_state::{VoteState, MAX_LOCKOUT_HISTORY};
 use std::{
-    collections::HashMap,
+    cmp::{max, min},
+    collections::{HashMap, HashSet},
    net::{SocketAddr, UdpSocket},
    str::FromStr,
    sync::{Arc, RwLock},
@@ -35,7 +41,10 @@ use std::{
    time::{Duration, Instant},
 };

+const JSON_RPC_SERVER_ERROR_0: i64 = -32000;
 const MAX_QUERY_ITEMS: usize = 256;
+const MAX_SLOT_RANGE: u64 = 10_000;
+const NUM_LARGEST_ACCOUNTS: usize = 20;

 type RpcResponse<T> = Result<Response<T>>;

@@ -73,17 +82,36 @@ pub struct JsonRpcRequestProcessor {
 }

 impl JsonRpcRequestProcessor {
-    fn bank(&self, commitment: Option<CommitmentConfig>) -> Arc<Bank> {
+    fn bank(&self, commitment: Option<CommitmentConfig>) -> Result<Arc<Bank>> {
        debug!("RPC commitment_config: {:?}", commitment);
        let r_bank_forks = self.bank_forks.read().unwrap();
        if commitment.is_some() && commitment.unwrap().commitment == CommitmentLevel::Recent {
            let bank = r_bank_forks.working_bank();
            debug!("RPC using working_bank: {:?}", bank.slot());
-            bank
-        } else {
+            Ok(bank)
+        } else if commitment.is_some() && commitment.unwrap().commitment == CommitmentLevel::Root {
            let slot = r_bank_forks.root();
-            debug!("RPC using block: {:?}", slot);
-            r_bank_forks.get(slot).cloned().unwrap()
+            debug!("RPC using node root: {:?}", slot);
+            Ok(r_bank_forks.get(slot).cloned().unwrap())
+        } else {
+            let cluster_root = self
+                .block_commitment_cache
+                .read()
+                .unwrap()
+                .largest_confirmed_root();
+            debug!("RPC using block: {:?}", cluster_root);
+            r_bank_forks
+                .get(cluster_root)
+                .cloned()
+                .ok_or_else(|| Error {
+                    code: ErrorCode::ServerError(JSON_RPC_SERVER_ERROR_0),
+                    message: format!(
+                        "Cluster largest_confirmed_root {} does not exist on node. Node root: {}",
+                        cluster_root,
+                        r_bank_forks.root(),
+                    ),
+                    data: None,
+                })
        }
    }

@@ -110,7 +138,7 @@ impl JsonRpcRequestProcessor {
        pubkey: Result<Pubkey>,
        commitment: Option<CommitmentConfig>,
    ) -> RpcResponse<Option<RpcAccount>> {
-        let bank = &*self.bank(commitment);
+        let bank = &*self.bank(commitment)?;
        pubkey.and_then(|key| new_response(bank, bank.get_account(&key).map(RpcAccount::encode)))
    }

@@ -120,7 +148,7 @@ impl JsonRpcRequestProcessor {
        commitment: Option<CommitmentConfig>,
    ) -> Result<u64> {
        Ok(self
-            .bank(commitment)
+            .bank(commitment)?
            .get_minimum_balance_for_rent_exemption(data_len))
    }

@@ -130,7 +158,7 @@ impl JsonRpcRequestProcessor {
        commitment: Option<CommitmentConfig>,
    ) -> Result<Vec<RpcKeyedAccount>> {
        Ok(self
-            .bank(commitment)
+            .bank(commitment)?
            .get_program_accounts(Some(&program_id))
            .into_iter()
            .map(|(pubkey, account)| RpcKeyedAccount {
@@ -141,13 +169,13 @@ impl JsonRpcRequestProcessor {
    }

    pub fn get_inflation(&self, commitment: Option<CommitmentConfig>) -> Result<Inflation> {
-        Ok(self.bank(commitment).inflation())
+        Ok(self.bank(commitment)?.inflation())
    }

    pub fn get_epoch_schedule(&self) -> Result<EpochSchedule> {
        // Since epoch schedule data comes from the genesis config, any commitment level should be
        // fine
-        Ok(*self.bank(None).epoch_schedule())
+        Ok(*self.bank(Some(CommitmentConfig::root()))?.epoch_schedule())
    }

    pub fn get_balance(
@@ -155,7 +183,7 @@ impl JsonRpcRequestProcessor {
        pubkey: Result<Pubkey>,
        commitment: Option<CommitmentConfig>,
    ) -> RpcResponse<u64> {
-        let bank = &*self.bank(commitment);
+        let bank = &*self.bank(commitment)?;
        pubkey.and_then(|key| new_response(bank, bank.get_balance(&key)))
    }

@@ -163,7 +191,7 @@ impl JsonRpcRequestProcessor {
        &self,
        commitment: Option<CommitmentConfig>,
    ) -> RpcResponse<RpcBlockhashFeeCalculator> {
-        let bank = &*self.bank(commitment);
+        let bank = &*self.bank(commitment)?;
        let (blockhash, fee_calculator) = bank.confirmed_last_blockhash();
        new_response(
            bank,
@@ -178,7 +206,7 @@ impl JsonRpcRequestProcessor {
        &self,
        blockhash: &Hash,
    ) -> RpcResponse<Option<RpcFeeCalculator>> {
-        let bank = &*self.bank(None);
+        let bank = &*self.bank(None)?;
        let fee_calculator = bank.get_fee_calculator(blockhash);
        new_response(
            bank,
@@ -187,7 +215,7 @@ impl JsonRpcRequestProcessor {
    }

    fn get_fee_rate_governor(&self) -> RpcResponse<RpcFeeRateGovernor> {
-        let bank = &*self.bank(None);
+        let bank = &*self.bank(None)?;
        let fee_rate_governor = bank.get_fee_rate_governor();
        new_response(
            bank,
@@ -202,7 +230,7 @@ impl JsonRpcRequestProcessor {
        signature: Result<Signature>,
        commitment: Option<CommitmentConfig>,
    ) -> RpcResponse<bool> {
-        let bank = &*self.bank(commitment);
+        let bank = &*self.bank(commitment)?;
        match signature {
            Err(e) => Err(e),
            Ok(sig) => {
@@ -215,7 +243,7 @@ impl JsonRpcRequestProcessor {
        }
    }

-    fn get_block_commitment(&self, block: Slot) -> RpcBlockCommitment<[u64; MAX_LOCKOUT_HISTORY]> {
+    fn get_block_commitment(&self, block: Slot) -> RpcBlockCommitment<BlockCommitmentArray> {
        let r_block_commitment = self.block_commitment_cache.read().unwrap();
        RpcBlockCommitment {
            commitment: r_block_commitment
@@ -226,11 +254,11 @@ impl JsonRpcRequestProcessor {
    }

    fn get_slot(&self, commitment: Option<CommitmentConfig>) -> Result<u64> {
-        Ok(self.bank(commitment).slot())
+        Ok(self.bank(commitment)?.slot())
    }

    fn get_slot_leader(&self, commitment: Option<CommitmentConfig>) -> Result<String> {
-        Ok(self.bank(commitment).collector_id().to_string())
+        Ok(self.bank(commitment)?.collector_id().to_string())
    }

    fn minimum_ledger_slot(&self) -> Result<Slot> {
@@ -247,18 +275,58 @@ impl JsonRpcRequestProcessor {
    }

    fn get_transaction_count(&self, commitment: Option<CommitmentConfig>) -> Result<u64> {
-        Ok(self.bank(commitment).transaction_count() as u64)
+        Ok(self.bank(commitment)?.transaction_count() as u64)
    }

    fn get_total_supply(&self, commitment: Option<CommitmentConfig>) -> Result<u64> {
-        Ok(self.bank(commitment).capitalization())
+        Ok(self.bank(commitment)?.capitalization())
+    }
+
+    fn get_largest_accounts(
+        &self,
+        commitment: Option<CommitmentConfig>,
+    ) -> RpcResponse<Vec<RpcAccountBalance>> {
+        let bank = self.bank(commitment)?;
+        new_response(
+            &bank,
+            bank.get_largest_accounts(
+                NUM_LARGEST_ACCOUNTS,
+                &HashSet::new(),
+                AccountAddressFilter::Exclude,
+            )
+            .into_iter()
+            .map(|(address, lamports)| RpcAccountBalance {
+                address: address.to_string(),
+                lamports,
+            })
+            .collect(),
+        )
+    }
+
+    fn get_supply(&self, commitment: Option<CommitmentConfig>) -> RpcResponse<RpcSupply> {
+        let bank = self.bank(commitment)?;
+        let non_circulating_supply = calculate_non_circulating_supply(bank.clone());
+        let total_supply = bank.capitalization();
+        new_response(
+            &bank,
+            RpcSupply {
+                total: total_supply,
+                circulating: total_supply - non_circulating_supply.lamports,
+                non_circulating: non_circulating_supply.lamports,
+                non_circulating_accounts: non_circulating_supply
+                    .accounts
+                    .iter()
+                    .map(|pubkey| pubkey.to_string())
+                    .collect(),
+            },
+        )
    }

    fn get_vote_accounts(
        &self,
        commitment: Option<CommitmentConfig>,
    ) -> Result<RpcVoteAccountStatus> {
-        let bank = self.bank(commitment);
+        let bank = self.bank(commitment)?;
        let vote_accounts = bank.vote_accounts();
        let epoch_vote_accounts = bank
            .epoch_vote_accounts(bank.get_epoch_and_slot_index(bank.slot()).0)
@@ -320,7 +388,7 @@ impl JsonRpcRequestProcessor {
    }

    fn get_slots_per_segment(&self, commitment: Option<CommitmentConfig>) -> Result<u64> {
-        Ok(self.bank(commitment).slots_per_segment())
+        Ok(self.bank(commitment)?.slots_per_segment())
    }

    fn get_storage_pubkeys_for_slot(&self, slot: Slot) -> Result<Vec<String>> {
@@ -358,7 +426,14 @@ impl JsonRpcRequestProcessor {
        slot: Slot,
        encoding: Option<TransactionEncoding>,
    ) -> Result<Option<ConfirmedBlock>> {
-        if self.config.enable_rpc_transaction_history {
+        if self.config.enable_rpc_transaction_history
+            && slot
+                <= self
+                    .block_commitment_cache
+                    .read()
+                    .unwrap()
+                    .largest_confirmed_root()
+        {
            Ok(self.blockstore.get_confirmed_block(slot, encoding).ok())
        } else {
            Ok(None)
@@ -370,41 +445,51 @@ impl JsonRpcRequestProcessor {
        start_slot: Slot,
        end_slot: Option<Slot>,
    ) -> Result<Vec<Slot>> {
-        let end_slot = end_slot.unwrap_or_else(|| self.bank(None).slot());
+        let end_slot = min(
+            end_slot.unwrap_or(std::u64::MAX),
+            self.block_commitment_cache
+                .read()
+                .unwrap()
+                .largest_confirmed_root(),
+        );
        if end_slot < start_slot {
            return Ok(vec![]);
        }
-
-        let start_slot = (start_slot..end_slot).find(|&slot| self.blockstore.is_root(slot));
-        if let Some(start_slot) = start_slot {
-            let mut slots: Vec<Slot> = RootedSlotIterator::new(start_slot, &self.blockstore)
-                .unwrap()
-                .map(|(slot, _)| slot)
-                .collect();
-            slots.retain(|&x| x <= end_slot);
-            Ok(slots)
-        } else {
-            Ok(vec![])
-        }
+        Ok(self
+            .blockstore
+            .rooted_slot_iterator(max(start_slot, self.blockstore.lowest_slot()))
+            .map_err(|_| Error::internal_error())?
+            .filter(|&slot| slot <= end_slot)
+            .collect())
    }

    pub fn get_block_time(&self, slot: Slot) -> Result<Option<UnixTimestamp>> {
-        // This calculation currently assumes that bank.slots_per_year will remain unchanged after
-        // genesis (ie. that this bank's slot_per_year will be applicable to any rooted slot being
-        // queried). If these values will be variable in the future, those timing parameters will
-        // need to be stored persistently, and the slot_duration calculation will likely need to be
-        // moved upstream into blockstore. Also, an explicit commitment level will need to be set.
-        let bank = self.bank(None);
-        let slot_duration = slot_duration_from_slots_per_year(bank.slots_per_year());
-        let epoch = bank.epoch_schedule().get_epoch(slot);
-        let stakes = HashMap::new();
-        let stakes = bank.epoch_vote_accounts(epoch).unwrap_or(&stakes);
+        if slot
+            <= self
+                .block_commitment_cache
+                .read()
+                .unwrap()
+                .largest_confirmed_root()
+        {
+            // This calculation currently assumes that bank.slots_per_year will remain unchanged after
+            // genesis (ie. that this bank's slot_per_year will be applicable to any rooted slot being
+            // queried). If these values will be variable in the future, those timing parameters will
+            // need to be stored persistently, and the slot_duration calculation will likely need to be
+            // moved upstream into blockstore. Also, an explicit commitment level will need to be set.
+            let bank = self.bank(None)?;
+            let slot_duration = slot_duration_from_slots_per_year(bank.slots_per_year());
+            let epoch = bank.epoch_schedule().get_epoch(slot);
+            let stakes = HashMap::new();
+            let stakes = bank.epoch_vote_accounts(epoch).unwrap_or(&stakes);

-        Ok(self
-            .blockstore
-            .get_block_time(slot, slot_duration, stakes)
-            .ok()
-            .unwrap_or(None))
+            Ok(self
+                .blockstore
+                .get_block_time(slot, slot_duration, stakes)
+                .ok()
+                .unwrap_or(None))
+        } else {
+            Ok(None)
+        }
    }

    pub fn get_signature_confirmation_status(
@@ -412,7 +497,7 @@ impl JsonRpcRequestProcessor {
        signature: Signature,
        commitment: Option<CommitmentConfig>,
    ) -> Option<RpcSignatureConfirmation> {
-        self.get_transaction_status(signature, &self.bank(commitment))
+        self.get_transaction_status(signature, &self.bank(commitment).ok()?)
            .map(
                |TransactionStatus {
                     status,
@@ -430,7 +515,7 @@ impl JsonRpcRequestProcessor {
        signature: Signature,
        commitment: Option<CommitmentConfig>,
    ) -> Option<transaction::Result<()>> {
-        self.bank(commitment).get_signature_status(&signature)
+        self.bank(commitment).ok()?.get_signature_status(&signature)
    }

    pub fn get_signature_statuses(
@@ -449,7 +534,7 @@ impl JsonRpcRequestProcessor {
        let search_transaction_history = config
            .and_then(|x| x.search_transaction_history)
            .unwrap_or(false);
-        let bank = self.bank(commitment);
+        let bank = self.bank(commitment)?;

        for signature in signatures {
            let status = if let Some(status) = self.get_transaction_status(signature, &bank) {
@@ -458,6 +543,13 @@ impl JsonRpcRequestProcessor {
                self.blockstore
                    .get_transaction_status(signature)
                    .map_err(|_| Error::internal_error())?
+                    .filter(|(slot, _status_meta)| {
+                        slot <= &self
+                            .block_commitment_cache
+                            .read()
+                            .unwrap()
+                            .largest_confirmed_root()
+                    })
                    .map(|(slot, status_meta)| {
                        let err = status_meta.status.clone().err();
                        TransactionStatus {
@@ -487,7 +579,9 @@ impl JsonRpcRequestProcessor {
            .map(|(slot, status)| {
                let r_block_commitment_cache = self.block_commitment_cache.read().unwrap();

-                let confirmations = if r_block_commitment_cache.root() >= slot {
+                let confirmations = if r_block_commitment_cache.root() >= slot
+                    && r_block_commitment_cache.is_confirmed_rooted(slot)
+                {
                    None
                } else {
                    r_block_commitment_cache
@@ -503,6 +597,59 @@ impl JsonRpcRequestProcessor {
                }
            })
    }
+
+    pub fn get_confirmed_transaction(
+        &self,
+        signature: Signature,
+        encoding: Option<TransactionEncoding>,
+    ) -> Result<Option<ConfirmedTransaction>> {
+        if self.config.enable_rpc_transaction_history {
+            Ok(self
+                .blockstore
+                .get_confirmed_transaction(signature, encoding)
+                .unwrap_or(None)
+                .filter(|confirmed_transaction| {
+                    confirmed_transaction.slot
+                        <= self
+                            .block_commitment_cache
+                            .read()
+                            .unwrap()
+                            .largest_confirmed_root()
+                }))
+        } else {
+            Ok(None)
+        }
+    }
+
+    pub fn get_confirmed_signatures_for_address(
+        &self,
+        pubkey: Pubkey,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> Result<Vec<Signature>> {
+        if self.config.enable_rpc_transaction_history {
+            let end_slot = min(
+                end_slot,
+                self.block_commitment_cache
+                    .read()
+                    .unwrap()
+                    .largest_confirmed_root(),
+            );
+            Ok(self
+                .blockstore
+                .get_confirmed_signatures_for_address(pubkey, start_slot, end_slot)
+                .unwrap_or_else(|_| vec![]))
+        } else {
+            Ok(vec![])
+        }
+    }
+
+    pub fn get_first_available_block(&self) -> Result<Slot> {
+        Ok(self
+            .blockstore
+            .get_first_available_block()
+            .unwrap_or_default())
+    }
 }

 fn get_tpu_addr(cluster_info: &Arc<RwLock<ClusterInfo>>) -> Result<SocketAddr> {
@@ -614,7 +761,7 @@ pub trait RpcSol {
        &self,
        meta: Self::Metadata,
        block: Slot,
-    ) -> Result<RpcBlockCommitment<[u64; MAX_LOCKOUT_HISTORY]>>;
+    ) -> Result<RpcBlockCommitment<BlockCommitmentArray>>;

    #[rpc(meta, name = "getGenesisHash")]
    fn get_genesis_hash(&self, meta: Self::Metadata) -> Result<String>;
@@ -662,6 +809,7 @@ pub trait RpcSol {
        commitment: Option<CommitmentConfig>,
    ) -> Result<u64>;

+    // DEPRECATED
    #[rpc(meta, name = "getTotalSupply")]
    fn get_total_supply(
        &self,
@@ -669,6 +817,20 @@ pub trait RpcSol {
        commitment: Option<CommitmentConfig>,
    ) -> Result<u64>;

+    #[rpc(meta, name = "getLargestAccounts")]
+    fn get_largest_accounts(
+        &self,
+        meta: Self::Metadata,
+        commitment: Option<CommitmentConfig>,
+    ) -> RpcResponse<Vec<RpcAccountBalance>>;
+
+    #[rpc(meta, name = "getSupply")]
+    fn get_supply(
+        &self,
+        meta: Self::Metadata,
+        commitment: Option<CommitmentConfig>,
+    ) -> RpcResponse<RpcSupply>;
+
    #[rpc(meta, name = "requestAirdrop")]
    fn request_airdrop(
        &self,
@@ -744,6 +906,26 @@ pub trait RpcSol {
        start_slot: Slot,
        end_slot: Option<Slot>,
    ) -> Result<Vec<Slot>>;
+
+    #[rpc(meta, name = "getConfirmedTransaction")]
+    fn get_confirmed_transaction(
+        &self,
+        meta: Self::Metadata,
+        signature_str: String,
+        encoding: Option<TransactionEncoding>,
+    ) -> Result<Option<ConfirmedTransaction>>;
+
+    #[rpc(meta, name = "getConfirmedSignaturesForAddress")]
+    fn get_confirmed_signatures_for_address(
+        &self,
+        meta: Self::Metadata,
+        pubkey_str: String,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> Result<Vec<String>>;
+
+    #[rpc(meta, name = "getFirstAvailableBlock")]
+    fn get_first_available_block(&self, meta: Self::Metadata) -> Result<Slot>;
 }

 pub struct RpcSolImpl;
@@ -817,22 +999,15 @@ impl RpcSol for RpcSolImpl {
        commitment: Option<CommitmentConfig>,
    ) -> Result<Inflation> {
        debug!("get_inflation rpc request received");
-        Ok(meta
-            .request_processor
+        meta.request_processor
            .read()
            .unwrap()
            .get_inflation(commitment)
-            .unwrap())
    }

    fn get_epoch_schedule(&self, meta: Self::Metadata) -> Result<EpochSchedule> {
        debug!("get_epoch_schedule rpc request received");
-        Ok(meta
-            .request_processor
-            .read()
-            .unwrap()
-            .get_epoch_schedule()
-            .unwrap())
+        meta.request_processor.read().unwrap().get_epoch_schedule()
    }

    fn get_balance(
@@ -884,7 +1059,7 @@ impl RpcSol for RpcSolImpl {
        meta: Self::Metadata,
        commitment: Option<CommitmentConfig>,
    ) -> Result<RpcEpochInfo> {
-        let bank = meta.request_processor.read().unwrap().bank(commitment);
+        let bank = meta.request_processor.read().unwrap().bank(commitment)?;
        let epoch_schedule = bank.epoch_schedule();

        let slot = bank.slot();
@@ -901,7 +1076,7 @@ impl RpcSol for RpcSolImpl {
        &self,
        meta: Self::Metadata,
        block: Slot,
-    ) -> Result<RpcBlockCommitment<[u64; MAX_LOCKOUT_HISTORY]>> {
+    ) -> Result<RpcBlockCommitment<BlockCommitmentArray>> {
        Ok(meta
            .request_processor
            .read()
@@ -920,7 +1095,7 @@ impl RpcSol for RpcSolImpl {
        slot: Option<Slot>,
        commitment: Option<CommitmentConfig>,
    ) -> Result<Option<RpcLeaderSchedule>> {
-        let bank = meta.request_processor.read().unwrap().bank(commitment);
+        let bank = meta.request_processor.read().unwrap().bank(commitment)?;
        let slot = slot.unwrap_or_else(|| bank.slot());
        let epoch = bank.epoch_schedule().get_epoch(slot);

@@ -1057,6 +1232,30 @@ impl RpcSol for RpcSolImpl {
            .get_total_supply(commitment)
    }

+    fn get_largest_accounts(
+        &self,
+        meta: Self::Metadata,
+        commitment: Option<CommitmentConfig>,
+    ) -> RpcResponse<Vec<RpcAccountBalance>> {
+        debug!("get_largest_accounts rpc request received");
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_largest_accounts(commitment)
+    }
+
+    fn get_supply(
+        &self,
+        meta: Self::Metadata,
+        commitment: Option<CommitmentConfig>,
+    ) -> RpcResponse<RpcSupply> {
+        debug!("get_supply rpc request received");
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_supply(commitment)
+    }
+
    fn request_airdrop(
        &self,
        meta: Self::Metadata,
@@ -1084,7 +1283,7 @@ impl RpcSol for RpcSolImpl {
            .request_processor
            .read()
            .unwrap()
-            .bank(commitment.clone())
+            .bank(commitment.clone())?
            .confirmed_last_blockhash()
            .0;
        let transaction = request_airdrop_transaction(&faucet_addr, &pubkey, lamports, blockhash)
@@ -1287,6 +1486,58 @@ impl RpcSol for RpcSolImpl {
    fn get_block_time(&self, meta: Self::Metadata, slot: Slot) -> Result<Option<UnixTimestamp>> {
        meta.request_processor.read().unwrap().get_block_time(slot)
    }
+
+    fn get_confirmed_transaction(
+        &self,
+        meta: Self::Metadata,
+        signature_str: String,
+        encoding: Option<TransactionEncoding>,
+    ) -> Result<Option<ConfirmedTransaction>> {
+        let signature = verify_signature(&signature_str)?;
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_confirmed_transaction(signature, encoding)
+    }
+
+    fn get_confirmed_signatures_for_address(
+        &self,
+        meta: Self::Metadata,
+        pubkey_str: String,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> Result<Vec<String>> {
+        let pubkey = verify_pubkey(pubkey_str)?;
+        if end_slot <= start_slot {
+            return Err(Error::invalid_params(format!(
+                "start_slot {} must be smaller than end_slot {}",
+                start_slot, end_slot
+            )));
+        }
+        if end_slot - start_slot > MAX_SLOT_RANGE {
+            return Err(Error::invalid_params(format!(
+                "Slot range too large; max {}",
+                MAX_SLOT_RANGE
+            )));
+        }
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_confirmed_signatures_for_address(pubkey, start_slot, end_slot)
+            .map(|signatures| {
+                signatures
+                    .iter()
+                    .map(|signature| signature.to_string())
+                    .collect()
+            })
+    }
+
+    fn get_first_available_block(&self, meta: Self::Metadata) -> Result<Slot> {
+        meta.request_processor
+            .read()
+            .unwrap()
+            .get_first_available_block()
+    }
 }

 #[cfg(test)]
@@ -1379,8 +1630,10 @@ pub mod tests {
            .or_insert(commitment_slot1.clone());
        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::new(
            block_commitment,
+            0,
            10,
            bank.clone(),
+            blockstore.clone(),
            0,
        )));

@@ -1412,15 +1665,13 @@ pub mod tests {

        let mut roots = blockstore_roots.clone();
        if !roots.is_empty() {
-            roots.retain(|&x| x > 1);
+            roots.retain(|&x| x > 0);
            let mut parent_bank = bank;
            for (i, root) in roots.iter().enumerate() {
                let new_bank =
                    Bank::new_from_parent(&parent_bank, parent_bank.collector_id(), *root);
                parent_bank = bank_forks.write().unwrap().insert(new_bank);
-                parent_bank.squash();
-                bank_forks.write().unwrap().set_root(*root, &None);
-                let parent = if i > 0 { roots[i - 1] } else { 1 };
+                let parent = if i > 0 { roots[i - 1] } else { 0 };
                fill_blockstore_slot_with_ticks(&blockstore, 5, *root, parent, Hash::default());
            }
            blockstore.set_roots(&roots).unwrap();
@@ -1430,6 +1681,10 @@ pub mod tests {
                roots.iter().max().unwrap() + 1,
            );
            bank_forks.write().unwrap().insert(new_bank);
+
+            for root in roots.iter() {
+                bank_forks.write().unwrap().set_root(*root, &None, Some(0));
+            }
        }

        let bank = bank_forks.read().unwrap().working_bank();
@@ -1498,14 +1753,16 @@ pub mod tests {
        let validator_exit = create_validator_exit(&exit);
        let (bank_forks, alice, _) = new_bank_forks();
        let bank = bank_forks.read().unwrap().working_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 request_processor = JsonRpcRequestProcessor::new(
            JsonRpcConfig::default(),
            bank_forks,
            block_commitment_cache,
-            Arc::new(blockstore),
+            blockstore,
            StorageState::default(),
            validator_exit,
        );
@@ -1643,6 +1900,49 @@ pub mod tests {
        assert!(supply >= TEST_MINT_LAMPORTS);
    }

+    #[test]
+    fn test_get_largest_accounts() {
+        let bob_pubkey = Pubkey::new_rand();
+        let RpcHandler {
+            io, meta, alice, ..
+        } = start_rpc_handler_with_tx(&bob_pubkey);
+        let req = format!(r#"{{"jsonrpc":"2.0","id":1,"method":"getLargestAccounts"}}"#);
+        let res = io.handle_request_sync(&req, meta.clone());
+        let json: Value = serde_json::from_str(&res.unwrap()).unwrap();
+        let largest_accounts: Vec<RpcAccountBalance> =
+            serde_json::from_value(json["result"]["value"].clone())
+                .expect("actual response deserialization");
+        assert_eq!(largest_accounts.len(), 18);
+
+        // Get Alice balance
+        let req = format!(
+            r#"{{"jsonrpc":"2.0","id":1,"method":"getBalance","params":["{}"]}}"#,
+            alice.pubkey()
+        );
+        let res = io.handle_request_sync(&req, meta.clone());
+        let json: Value = serde_json::from_str(&res.unwrap()).unwrap();
+        let alice_balance: u64 = serde_json::from_value(json["result"]["value"].clone())
+            .expect("actual response deserialization");
+        assert!(largest_accounts.contains(&RpcAccountBalance {
+            address: alice.pubkey().to_string(),
+            lamports: alice_balance,
+        }));
+
+        // Get Bob balance
+        let req = format!(
+            r#"{{"jsonrpc":"2.0","id":1,"method":"getBalance","params":["{}"]}}"#,
+            bob_pubkey
+        );
+        let res = io.handle_request_sync(&req, meta);
+        let json: Value = serde_json::from_str(&res.unwrap()).unwrap();
+        let bob_balance: u64 = serde_json::from_value(json["result"]["value"].clone())
+            .expect("actual response deserialization");
+        assert!(largest_accounts.contains(&RpcAccountBalance {
+            address: bob_pubkey.to_string(),
+            lamports: bob_balance,
+        }));
+    }
+
    #[test]
    fn test_rpc_get_minimum_balance_for_rent_exemption() {
        let bob_pubkey = Pubkey::new_rand();
@@ -1939,7 +2239,7 @@ pub mod tests {
        );
        let res = io.handle_request_sync(&req, meta);
        let expected_res: Option<transaction::Result<()>> = Some(Err(
-            TransactionError::InstructionError(0, InstructionError::CustomError(1)),
+            TransactionError::InstructionError(0, InstructionError::Custom(1)),
        ));
        let expected = json!({
            "jsonrpc": "2.0",
@@ -2000,7 +2300,7 @@ pub mod tests {
        let res = io.handle_request_sync(&req, meta.clone());
        let expected_res: transaction::Result<()> = Err(TransactionError::InstructionError(
            0,
-            InstructionError::CustomError(1),
+            InstructionError::Custom(1),
        ));
        let json: Value = serde_json::from_str(&res.unwrap()).unwrap();
        let result: Option<TransactionStatus> =
@@ -2141,9 +2441,11 @@ pub mod tests {
    fn test_rpc_send_bad_tx() {
        let exit = Arc::new(AtomicBool::new(false));
        let validator_exit = create_validator_exit(&exit);
-        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 io = MetaIoHandler::default();
        let rpc = RpcSolImpl;
@@ -2154,7 +2456,7 @@ pub mod tests {
                    JsonRpcConfig::default(),
                    new_bank_forks().0,
                    block_commitment_cache,
-                    Arc::new(blockstore),
+                    blockstore,
                    StorageState::default(),
                    validator_exit,
                );
@@ -2244,14 +2546,16 @@ pub mod tests {
    fn test_rpc_request_processor_config_default_trait_validator_exit_fails() {
        let exit = Arc::new(AtomicBool::new(false));
        let validator_exit = create_validator_exit(&exit);
-        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 request_processor = JsonRpcRequestProcessor::new(
            JsonRpcConfig::default(),
            new_bank_forks().0,
            block_commitment_cache,
-            Arc::new(blockstore),
+            blockstore,
            StorageState::default(),
            validator_exit,
        );
@@ -2263,16 +2567,18 @@ pub mod tests {
    fn test_rpc_request_processor_allow_validator_exit_config() {
        let exit = Arc::new(AtomicBool::new(false));
        let validator_exit = create_validator_exit(&exit);
-        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 config = JsonRpcConfig::default();
        config.enable_validator_exit = true;
        let request_processor = JsonRpcRequestProcessor::new(
            config,
            new_bank_forks().0,
            block_commitment_cache,
-            Arc::new(blockstore),
+            blockstore,
            StorageState::default(),
            validator_exit,
        );
@@ -2327,9 +2633,11 @@ pub mod tests {
        let exit = Arc::new(AtomicBool::new(false));
        let validator_exit = create_validator_exit(&exit);
        let bank_forks = new_bank_forks().0;
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());

-        let commitment_slot0 = BlockCommitment::new([8; MAX_LOCKOUT_HISTORY]);
-        let commitment_slot1 = BlockCommitment::new([9; MAX_LOCKOUT_HISTORY]);
+        let commitment_slot0 = BlockCommitment::new([8; MAX_LOCKOUT_HISTORY + 1]);
+        let commitment_slot1 = BlockCommitment::new([9; MAX_LOCKOUT_HISTORY + 1]);
        let mut block_commitment: HashMap<u64, BlockCommitment> = HashMap::new();
        block_commitment
            .entry(0)
@@ -2339,12 +2647,12 @@ pub mod tests {
            .or_insert(commitment_slot1.clone());
        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::new(
            block_commitment,
+            0,
            42,
            bank_forks.read().unwrap().working_bank(),
+            blockstore.clone(),
            0,
        )));
-        let ledger_path = get_tmp_ledger_path!();
-        let blockstore = Blockstore::open(&ledger_path).unwrap();

        let mut config = JsonRpcConfig::default();
        config.enable_validator_exit = true;
@@ -2352,7 +2660,7 @@ pub mod tests {
            config,
            bank_forks,
            block_commitment_cache,
-            Arc::new(blockstore),
+            blockstore,
            StorageState::default(),
            validator_exit,
        );
@@ -2421,7 +2729,7 @@ pub mod tests {
        let res = io.handle_request_sync(&req, meta);
        let result: Response = serde_json::from_str(&res.expect("actual response"))
            .expect("actual response deserialization");
-        let commitment_response: RpcBlockCommitment<[u64; MAX_LOCKOUT_HISTORY]> =
+        let commitment_response: RpcBlockCommitment<BlockCommitmentArray> =
            if let Response::Single(res) = result {
                if let Output::Success(res) = res {
                    serde_json::from_value(res.result).unwrap()
@@ -2471,14 +2779,14 @@ pub mod tests {
                        meta.err,
                        Some(TransactionError::InstructionError(
                            0,
-                            InstructionError::CustomError(1)
+                            InstructionError::Custom(1)
                        ))
                    );
                    assert_eq!(
                        meta.status,
                        Err(TransactionError::InstructionError(
                            0,
-                            InstructionError::CustomError(1)
+                            InstructionError::Custom(1)
                        ))
                    );
                } else {
@@ -2515,14 +2823,14 @@ pub mod tests {
                        meta.err,
                        Some(TransactionError::InstructionError(
                            0,
-                            InstructionError::CustomError(1)
+                            InstructionError::Custom(1)
                        ))
                    );
                    assert_eq!(
                        meta.status,
                        Err(TransactionError::InstructionError(
                            0,
-                            InstructionError::CustomError(1)
+                            InstructionError::Custom(1)
                        ))
                    );
                } else {
@@ -2536,8 +2844,16 @@ pub mod tests {
    fn test_get_confirmed_blocks() {
        let bob_pubkey = Pubkey::new_rand();
        let roots = vec![0, 1, 3, 4, 8];
-        let RpcHandler { io, meta, .. } =
-            start_rpc_handler_with_tx_and_blockstore(&bob_pubkey, roots.clone(), 0);
+        let RpcHandler {
+            io,
+            meta,
+            block_commitment_cache,
+            ..
+        } = start_rpc_handler_with_tx_and_blockstore(&bob_pubkey, roots.clone(), 0);
+        block_commitment_cache
+            .write()
+            .unwrap()
+            .set_get_largest_confirmed_root(8);

        let req =
            format!(r#"{{"jsonrpc":"2.0","id":1,"method":"getConfirmedBlocks","params":[0]}}"#);
@@ -2545,7 +2861,7 @@ pub mod tests {
        let result: Value = serde_json::from_str(&res.expect("actual response"))
            .expect("actual response deserialization");
        let confirmed_blocks: Vec<Slot> = serde_json::from_value(result["result"].clone()).unwrap();
-        assert_eq!(confirmed_blocks, roots);
+        assert_eq!(confirmed_blocks, roots[1..].to_vec());

        let req =
            format!(r#"{{"jsonrpc":"2.0","id":1,"method":"getConfirmedBlocks","params":[2]}}"#);
@@ -2561,7 +2877,7 @@ pub mod tests {
        let result: Value = serde_json::from_str(&res.expect("actual response"))
            .expect("actual response deserialization");
        let confirmed_blocks: Vec<Slot> = serde_json::from_value(result["result"].clone()).unwrap();
-        assert_eq!(confirmed_blocks, vec![0, 1, 3, 4]);
+        assert_eq!(confirmed_blocks, vec![1, 3, 4]);

        let req =
            format!(r#"{{"jsonrpc":"2.0","id":1,"method":"getConfirmedBlocks","params":[0, 7]}}"#);
@@ -2569,7 +2885,7 @@ pub mod tests {
        let result: Value = serde_json::from_str(&res.expect("actual response"))
            .expect("actual response deserialization");
        let confirmed_blocks: Vec<Slot> = serde_json::from_value(result["result"].clone()).unwrap();
-        assert_eq!(confirmed_blocks, vec![0, 1, 3, 4]);
+        assert_eq!(confirmed_blocks, vec![1, 3, 4]);

        let req =
            format!(r#"{{"jsonrpc":"2.0","id":1,"method":"getConfirmedBlocks","params":[9, 11]}}"#);
@@ -2584,11 +2900,21 @@ pub mod tests {
    fn test_get_block_time() {
        let bob_pubkey = Pubkey::new_rand();
        let base_timestamp = 1576183541;
-        let RpcHandler { io, meta, bank, .. } = start_rpc_handler_with_tx_and_blockstore(
+        let RpcHandler {
+            io,
+            meta,
+            bank,
+            block_commitment_cache,
+            ..
+        } = start_rpc_handler_with_tx_and_blockstore(
            &bob_pubkey,
            vec![1, 2, 3, 4, 5, 6, 7],
            base_timestamp,
        );
+        block_commitment_cache
+            .write()
+            .unwrap()
+            .set_get_largest_confirmed_root(7);

        let slot_duration = slot_duration_from_slots_per_year(bank.slots_per_year());

--- a/core/src/rpc_pubsub.rs
+++ b/core/src/rpc_pubsub.rs
@@ -7,8 +7,13 @@ use jsonrpc_pubsub::{typed::Subscriber, Session, SubscriptionId};
 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::sync::{atomic, Arc};
+use std::{
+    str::FromStr,
+    sync::{atomic, Arc},
+};

 // Suppress needless_return due to
 //   https://github.com/paritytech/jsonrpc/blob/2d38e6424d8461cdf72e78425ce67d51af9c6586/derive/src/lib.rs#L204
@@ -118,7 +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>,
@@ -129,9 +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 {
@@ -321,8 +330,9 @@ mod tests {
    };
    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::{bank_forks::BankForks, get_tmp_ledger_path};
    use solana_runtime::bank::Bank;
    use solana_sdk::{
        pubkey::Pubkey,
@@ -357,6 +367,7 @@ mod tests {
    }

    #[test]
+    #[serial]
    fn test_signature_subscribe() {
        let GenesisConfigInfo {
            genesis_config,
@@ -368,12 +379,16 @@ 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 {
            subscriptions: Arc::new(RpcSubscriptions::new(
                &Arc::new(AtomicBool::new(false)),
-                Arc::new(RwLock::new(BlockCommitmentCache::new_for_tests())),
+                Arc::new(RwLock::new(
+                    BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+                )),
            )),
-            ..RpcSolPubSubImpl::default()
+            uid: Arc::new(atomic::AtomicUsize::default()),
        };

        // Test signature subscriptions
@@ -403,6 +418,7 @@ mod tests {
    }

    #[test]
+    #[serial]
    fn test_signature_unsubscribe() {
        let GenesisConfigInfo {
            genesis_config,
@@ -413,11 +429,13 @@ 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);
@@ -451,6 +469,7 @@ mod tests {
    }

    #[test]
+    #[serial]
    fn test_account_subscribe() {
        let GenesisConfigInfo {
            mut genesis_config,
@@ -471,13 +490,17 @@ 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 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())),
+                Arc::new(RwLock::new(
+                    BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+                )),
            )),
-            ..RpcSolPubSubImpl::default()
+            uid: Arc::new(atomic::AtomicUsize::default()),
        };
        let session = create_session();
        let (subscriber, _id_receiver, receiver) = Subscriber::new_test("accountNotification");
@@ -561,12 +584,15 @@ 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());

@@ -610,13 +636,17 @@ 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 ledger_path = get_tmp_ledger_path!();
+        let blockstore = Arc::new(Blockstore::open(&ledger_path).unwrap());
        let bob = Keypair::new();

-        let mut 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())),
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
        );
        rpc.subscriptions = Arc::new(subscriptions);
        let session = create_session();
@@ -647,11 +677,15 @@ 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 mut 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()));
+        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);
@@ -678,8 +712,14 @@ mod tests {
        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, 10, bank1.clone(), 0);
+        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);
@@ -693,7 +733,8 @@ mod tests {
        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, 10, bank2, 0);
+        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);
@@ -721,8 +762,11 @@ 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);
@@ -745,8 +789,11 @@ 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);
--- a/core/src/rpc_pubsub_service.rs
+++ b/core/src/rpc_pubsub_service.rs
@@ -73,6 +73,7 @@ impl PubSubService {
 mod tests {
    use super::*;
    use crate::commitment::BlockCommitmentCache;
+    use solana_ledger::{blockstore::Blockstore, get_tmp_ledger_path};
    use std::{
        net::{IpAddr, Ipv4Addr},
        sync::RwLock,
@@ -82,9 +83,13 @@ mod tests {
    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 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())),
+            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();
--- a/core/src/rpc_service.rs
+++ b/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<RwLock<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<RwLock<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,
        }
    }

@@ -104,6 +118,58 @@ 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) = {
+                let cluster_info = self.cluster_info.read().unwrap();
+                (
+                    cluster_info
+                        .get_accounts_hash_for_node(&cluster_info.id())
+                        .map(|hashes| hashes.iter().max_by(|a, b| a.0.cmp(&b.0)))
+                        .flatten()
+                        .map(|slot_hash| slot_hash.0)
+                        .unwrap_or(0),
+                    trusted_validators
+                        .iter()
+                        .map(|trusted_validator| {
+                            cluster_info
+                                .get_accounts_hash_for_node(&trusted_validator)
+                                .map(|hashes| hashes.iter().max_by(|a, b| a.0.cmp(&b.0)))
+                                .flatten()
+                                .map(|slot_hash| slot_hash.0)
+                                .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 {
@@ -138,6 +204,16 @@ 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,
@@ -161,6 +237,7 @@ impl JsonRpcService {
        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);
@@ -186,20 +263,35 @@ 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(4)
+                .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;
                }

@@ -240,6 +332,7 @@ mod tests {
    use super::*;
    use crate::{
        contact_info::ContactInfo,
+        crds_value::{CrdsData, CrdsValue, SnapshotHash},
        genesis_utils::{create_genesis_config, GenesisConfigInfo},
        rpc::tests::create_validator_exit,
    };
@@ -268,21 +361,24 @@ mod tests {
            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");
@@ -303,7 +399,11 @@ mod tests {

    #[test]
    fn test_is_get_path() {
-        let rrm = RpcRequestMiddleware::new(PathBuf::from("/"), None);
+        let cluster_info = Arc::new(RwLock::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 {
@@ -311,6 +411,8 @@ mod tests {
                snapshot_package_output_path: PathBuf::from("/"),
                snapshot_path: PathBuf::from("/"),
            }),
+            cluster_info,
+            None,
        );

        assert!(rrm.is_get_path("/genesis.tar.bz2"));
@@ -332,4 +434,95 @@ 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(RwLock::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(RwLock::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"
+        {
+            let mut cluster_info = cluster_info.write().unwrap();
+            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"
+        {
+            let mut cluster_info = cluster_info.write().unwrap();
+            cluster_info
+                .gossip
+                .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"
+        {
+            let mut cluster_info = cluster_info.write().unwrap();
+            cluster_info
+                .gossip
+                .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"
+        {
+            let mut cluster_info = cluster_info.write().unwrap();
+            cluster_info
+                .gossip
+                .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");
+    }
 }
--- a/core/src/rpc_subscriptions.rs
+++ b/core/src/rpc_subscriptions.rs
@@ -11,7 +11,7 @@ use serde::Serialize;
 use solana_client::rpc_response::{
    Response, RpcAccount, RpcKeyedAccount, RpcResponseContext, RpcSignatureResult,
 };
-use solana_ledger::bank_forks::BankForks;
+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,
@@ -246,15 +246,6 @@ pub struct RpcSubscriptions {
    exit: Arc<AtomicBool>,
 }

-impl Default for RpcSubscriptions {
-    fn default() -> Self {
-        Self::new(
-            &Arc::new(AtomicBool::new(false)),
-            Arc::new(RwLock::new(BlockCommitmentCache::default())),
-        )
-    }
-}
-
 impl Drop for RpcSubscriptions {
    fn drop(&mut self) {
        self.shutdown().unwrap_or_else(|err| {
@@ -324,6 +315,15 @@ 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,
        bank_forks: &Arc<RwLock<BankForks>>,
@@ -622,7 +622,9 @@ pub(crate) mod tests {
    };
    use jsonrpc_core::futures::{self, stream::Stream};
    use jsonrpc_pubsub::typed::Subscriber;
+    use serial_test_derive::serial;
    use solana_budget_program;
+    use solana_ledger::get_tmp_ledger_path;
    use solana_sdk::{
        signature::{Keypair, Signer},
        system_transaction,
@@ -656,12 +658,15 @@ 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)));
@@ -688,7 +693,9 @@ pub(crate) mod tests {
        let exit = Arc::new(AtomicBool::new(false));
        let subscriptions = RpcSubscriptions::new(
            &exit,
-            Arc::new(RwLock::new(BlockCommitmentCache::new_for_tests())),
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
        );
        subscriptions.add_account_subscription(alice.pubkey(), None, sub_id.clone(), subscriber);

@@ -728,12 +735,15 @@ 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)));
@@ -760,7 +770,9 @@ pub(crate) mod tests {
        let exit = Arc::new(AtomicBool::new(false));
        let subscriptions = RpcSubscriptions::new(
            &exit,
-            Arc::new(RwLock::new(BlockCommitmentCache::new_for_tests())),
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
        );
        subscriptions.add_program_subscription(
            solana_budget_program::id(),
@@ -808,12 +820,15 @@ 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);
@@ -852,7 +867,8 @@ pub(crate) mod tests {
        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, 10, bank1, 0);
+        let block_commitment_cache =
+            BlockCommitmentCache::new(block_commitment, 0, 10, bank1, blockstore, 0);

        let exit = Arc::new(AtomicBool::new(false));
        let subscriptions =
@@ -949,14 +965,19 @@ 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 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())),
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
        );
        subscriptions.add_slot_subscription(sub_id.clone(), subscriber);

@@ -990,14 +1011,19 @@ 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 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())),
+            Arc::new(RwLock::new(
+                BlockCommitmentCache::new_for_tests_with_blockstore(blockstore),
+            )),
        );
        subscriptions.add_root_subscription(sub_id.clone(), subscriber);

@@ -1030,6 +1056,7 @@ pub(crate) mod tests {
    }

    #[test]
+    #[serial]
    fn test_add_and_remove_subscription() {
        let mut subscriptions: HashMap<u64, HashMap<SubscriptionId, (Sink<()>, Confirmations)>> =
            HashMap::new();
--- a/core/src/storage_stage.rs
+++ b/core/src/storage_stage.rs
@@ -663,6 +663,7 @@ mod tests {
    use super::*;
    use crate::genesis_utils::{create_genesis_config, GenesisConfigInfo};
    use rayon::prelude::*;
+    use solana_ledger::get_tmp_ledger_path;
    use solana_runtime::bank::Bank;
    use solana_sdk::{
        hash::Hasher,
@@ -690,7 +691,11 @@ mod tests {
            &[bank.clone()],
            vec![0],
        )));
-        let block_commitment_cache = Arc::new(RwLock::new(BlockCommitmentCache::default()));
+        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(),
--- a/core/src/transaction_status_service.rs
+++ b/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(
-                        (transaction.signatures[0], slot),
+                        slot,
+                        transaction.signatures[0],
+                        writable_keys,
+                        readonly_keys,
                        &TransactionStatusMeta {
                            status,
                            fee,
--- a/core/src/tvu.rs
+++ b/core/src/tvu.rs
@@ -26,6 +26,7 @@ use solana_ledger::{
    snapshot_package::SnapshotPackageSender,
 };
 use solana_sdk::{
+    genesis_config::GenesisConfig,
    pubkey::Pubkey,
    signature::{Keypair, Signer},
 };
@@ -67,6 +68,7 @@ pub struct TvuConfig {
    pub halt_on_trusted_validators_accounts_hash_mismatch: bool,
    pub trusted_validators: Option<HashSet<Pubkey>>,
    pub accounts_hash_fault_injection_slots: u64,
+    pub genesis_config: GenesisConfig,
 }

 impl Tvu {
@@ -185,6 +187,7 @@ impl Tvu {
            block_commitment_cache: block_commitment_cache.clone(),
            transaction_status_sender,
            rewards_recorder_sender,
+            genesis_config: tvu_config.genesis_config,
        };

        let (replay_stage, root_bank_receiver) = ReplayStage::new(
@@ -264,11 +267,13 @@ pub mod tests {
    use crate::banking_stage::create_test_recorder;
    use crate::cluster_info::{ClusterInfo, Node};
    use crate::genesis_utils::{create_genesis_config, GenesisConfigInfo};
+    use serial_test_derive::serial;
    use solana_ledger::create_new_tmp_ledger;
    use solana_runtime::bank::Bank;
    use std::sync::atomic::Ordering;

    #[test]
+    #[serial]
    fn test_tvu_exit() {
        solana_logger::setup();
        let leader = Node::new_localhost();
@@ -296,7 +301,9 @@ pub mod tests {
        let voting_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 tvu = Tvu::new(
            &voting_keypair.pubkey(),
            Some(Arc::new(voting_keypair)),
@@ -315,10 +322,7 @@ pub mod tests {
            &StorageState::default(),
            None,
            l_receiver,
-            &Arc::new(RpcSubscriptions::new(
-                &exit,
-                Arc::new(RwLock::new(BlockCommitmentCache::default())),
-            )),
+            &Arc::new(RpcSubscriptions::new(&exit, block_commitment_cache.clone())),
            &poh_recorder,
            &leader_schedule_cache,
            &exit,
--- a/core/src/validator.rs
+++ b/core/src/validator.rs
@@ -202,7 +202,6 @@ 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();
@@ -238,6 +237,9 @@ 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, block_commitment_cache.clone()));

@@ -262,6 +264,7 @@ impl Validator {
                    ledger_path,
                    storage_state.clone(),
                    validator_exit.clone(),
+                    config.trusted_validators.clone(),
                ),
                PubSubService::new(
                    &subscriptions,
@@ -316,7 +319,7 @@ impl Validator {
            std::thread::park();
        }

-        let poh_config = Arc::new(genesis_config.poh_config);
+        let poh_config = Arc::new(genesis_config.poh_config.clone());
        let (mut poh_recorder, entry_receiver) = PohRecorder::new_with_clear_signal(
            bank.tick_height(),
            bank.last_blockhash(),
@@ -443,6 +446,7 @@ impl Validator {
                shred_version: node.info.shred_version,
                trusted_validators: config.trusted_validators.clone(),
                accounts_hash_fault_injection_slots: config.accounts_hash_fault_injection_slots,
+                genesis_config,
            },
        );

--- a/core/tests/bank_forks.rs
+++ b/core/tests/bank_forks.rs
@@ -137,7 +137,7 @@ mod tests {
            // and to allow snapshotting of bank and the purging logic on status_cache to
            // kick in
            if slot % set_root_interval == 0 || slot == last_slot - 1 {
-                bank_forks.set_root(bank.slot(), &sender);
+                bank_forks.set_root(bank.slot(), &sender, None);
            }
        }
        // Generate a snapshot package for last bank
@@ -377,9 +377,11 @@ mod tests {
                    snapshot_test_config.bank_forks.insert(new_bank);
                    current_bank = snapshot_test_config.bank_forks[new_slot].clone();
                }
-                snapshot_test_config
-                    .bank_forks
-                    .set_root(current_bank.slot(), &snapshot_sender);
+                snapshot_test_config.bank_forks.set_root(
+                    current_bank.slot(),
+                    &snapshot_sender,
+                    None,
+                );
            }

            let num_old_slots = num_set_roots * *add_root_interval - MAX_CACHE_ENTRIES + 1;
--- a/core/tests/client.rs
+++ b/core/tests/client.rs
@@ -6,6 +6,7 @@ use solana_core::{
    commitment::BlockCommitmentCache, rpc_pubsub_service::PubSubService,
    rpc_subscriptions::RpcSubscriptions, validator::TestValidator,
 };
+use solana_ledger::{blockstore::Blockstore, get_tmp_ledger_path};
 use solana_sdk::{
    commitment_config::CommitmentConfig, pubkey::Pubkey, rpc_port, signature::Signer,
    system_transaction,
@@ -85,9 +86,13 @@ fn test_slot_subscription() {
        rpc_port::DEFAULT_RPC_PUBSUB_PORT,
    );
    let exit = Arc::new(AtomicBool::new(false));
+    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::default())),
+        Arc::new(RwLock::new(BlockCommitmentCache::default_with_blockstore(
+            blockstore,
+        ))),
    ));
    let pubsub_service = PubSubService::new(&subscriptions, pubsub_addr, &exit);
    std::thread::sleep(Duration::from_millis(400));
--- a/core/tests/storage_stage.rs
+++ b/core/tests/storage_stage.rs
@@ -59,7 +59,9 @@ mod tests {
            &[bank.clone()],
            vec![0],
        )));
-        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 cluster_info = test_cluster_info(&keypair.pubkey());

        let (bank_sender, bank_receiver) = channel();
@@ -180,7 +182,9 @@ mod tests {
            &[bank.clone()],
            vec![0],
        )));
-        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 cluster_info = test_cluster_info(&keypair.pubkey());
        let (bank_sender, bank_receiver) = channel();
--- a/crate-features/Cargo.toml
+++ b/crate-features/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-crate-features"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana Crate Features"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -12,17 +12,20 @@ edition = "2018"
 backtrace = { version = "0.3.33", features = ["serialize-serde"] }
 bytes = { version = "0.4.12", features = ["either"] }
 cc = { version = "1.0.45", features = ["jobserver", "num_cpus", "parallel"]}
-curve25519-dalek = { version = "1.1.3" }
+curve25519-dalek = { version = "2" }
 either= { version = "1.5.2" }
 failure = { version = "0.1.5" }
 lazy_static = { version = "1.4.0", features = ["spin", "spin_no_std"] }
 libc = { version = "0.2.62", features = ["extra_traits"] }
-rand_chacha = { version = "0.1.1" }
+rand_chacha = { version = "0.2.2" }
 regex-syntax = { version = "0.6.12" }
 reqwest = { version = "0.9.20", default-features = false, features = ["rustls-tls"] }
 serde = { version = "1.0.100", features = ["rc"] }
-ed25519-dalek = { version = "=1.0.0-pre.1", features = ["serde"] }
+ed25519-dalek = { version = "=1.0.0-pre.3", features = ["serde"] }
 syn_0_15 = { package = "syn", version = "0.15.42", features = ["extra-traits", "fold", "full"] }
 syn_1_0 = { package = "syn", version = "1.0.3", features = ["extra-traits", "fold", "full"] }
 tokio = { version = "0.1.22",features=["bytes", "codec", "default", "fs", "io", "mio", "num_cpus", "reactor", "rt-full", "sync", "tcp", "timer", "tokio-codec", "tokio-current-thread", "tokio-executor", "tokio-io", "tokio-io", "tokio-reactor", "tokio-tcp", "tokio-tcp", "tokio-threadpool", "tokio-timer", "tokio-udp", "tokio-uds", "udp", "uds"] }
 winapi = { version = "0.3.8", features=["basetsd", "consoleapi", "errhandlingapi", "fileapi", "handleapi", "impl-debug", "impl-default", "knownfolders", "libloaderapi", "memoryapi", "minwinbase", "minwindef", "ntdef", "ntsecapi", "ntstatus", "objbase", "processenv", "processthreadsapi", "profileapi", "shlobj", "std", "synchapi", "sysinfoapi", "timezoneapi", "utilapiset", "winbase", "wincon", "windef", "winerror", "winnls", "winnt", "winreg", "winsock2", "winuser", "ws2def", "ws2ipdef", "ws2tcpip", "wtypesbase"] }
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/docs/build-cli-usage.sh
+++ b/docs/build-cli-usage.sh
@@ -3,7 +3,9 @@ set -e

 cd "$(dirname "$0")"

-usage=$(cargo -q run -p solana-cli -- -C ~/.foo --help | sed 's|'"$HOME"'|~|g')
+: "${rust_stable:=}" # Pacify shellcheck
+
+usage=$(cargo +"$rust_stable" -q run -p solana-cli -- -C ~/.foo --help | sed -e 's|'"$HOME"'|~|g' -e 's/[[:space:]]\+$//')

 out=${1:-src/cli/usage.md}

@@ -29,6 +31,6 @@ in_subcommands=0
 while read -r subcommand rest; do
  [[ $subcommand == "SUBCOMMANDS:" ]] && in_subcommands=1 && continue
  if ((in_subcommands)); then
-      section "$(cargo -q run -p solana-cli -- help "$subcommand" | sed 's|'"$HOME"'|~|g')" "####" >> "$out"
+      section "$(cargo +"$rust_stable" -q run -p solana-cli -- help "$subcommand" | sed 's|'"$HOME"'|~|g')" "####" >> "$out"
  fi
 done <<<"$usage">>"$out"
--- a/docs/src/.gitbook/assets/find-beta-apps.png
+++ b/docs/src/.gitbook/assets/find-beta-apps.png
--- a/docs/src/.gitbook/assets/install-official-trust-wallet.png
+++ b/docs/src/.gitbook/assets/install-official-trust-wallet.png
--- a/docs/src/.gitbook/assets/join-beta-trust-wallet.png
+++ b/docs/src/.gitbook/assets/join-beta-trust-wallet.png
--- a/docs/src/.gitbook/assets/update-trust-wallet-to-beta.png
+++ b/docs/src/.gitbook/assets/update-trust-wallet-to-beta.png
--- a/docs/src/apps/jsonrpc-api.md
+++ b/docs/src/apps/jsonrpc-api.md
@@ -21,13 +21,17 @@ To interact with a Solana node inside a JavaScript application, use the [solana-
 * [getClusterNodes](jsonrpc-api.md#getclusternodes)
 * [getConfirmedBlock](jsonrpc-api.md#getconfirmedblock)
 * [getConfirmedBlocks](jsonrpc-api.md#getconfirmedblocks)
+* [getConfirmedSignaturesForAddress](jsonrpc-api.md#getconfirmedsignaturesforaddress)
+* [getConfirmedTransaction](jsonrpc-api.md#getconfirmedtransaction)
 * [getEpochInfo](jsonrpc-api.md#getepochinfo)
 * [getEpochSchedule](jsonrpc-api.md#getepochschedule)
 * [getFeeCalculatorForBlockhash](jsonrpc-api.md#getfeecalculatorforblockhash)
 * [getFeeRateGovernor](jsonrpc-api.md#getfeerategovernor)
+* [getFirstAvailableBlock](jsonrpc-api.md#getfirstavailableblock)
 * [getGenesisHash](jsonrpc-api.md#getgenesishash)
 * [getIdentity](jsonrpc-api.md#getidentity)
 * [getInflation](jsonrpc-api.md#getinflation)
+* [getLargestAccounts](jsonrpc-api.md#getlargestaccounts)
 * [getLeaderSchedule](jsonrpc-api.md#getleaderschedule)
 * [getMinimumBalanceForRentExemption](jsonrpc-api.md#getminimumbalanceforrentexemption)
 * [getProgramAccounts](jsonrpc-api.md#getprogramaccounts)
@@ -39,8 +43,8 @@ To interact with a Solana node inside a JavaScript application, use the [solana-
 * [getStoragePubkeysForSlot](jsonrpc-api.md#getstoragepubkeysforslot)
 * [getStorageTurn](jsonrpc-api.md#getstorageturn)
 * [getStorageTurnRate](jsonrpc-api.md#getstorageturnrate)
+* [getSupply](jsonrpc-api.md#getsupply)
 * [getTransactionCount](jsonrpc-api.md#gettransactioncount)
-* [getTotalSupply](jsonrpc-api.md#gettotalsupply)
 * [getVersion](jsonrpc-api.md#getversion)
 * [getVoteAccounts](jsonrpc-api.md#getvoteaccounts)
 * [minimumLedgerSlot](jsonrpc-api.md#minimumledgerslot)
@@ -92,7 +96,8 @@ Requests can be sent in batches by sending an array of JSON-RPC request objects

 Solana nodes choose which bank state to query based on a commitment requirement
 set by the client. Clients may specify either:
-* `{"commitment":"max"}` - the node will query the most recent bank having reached `MAX_LOCKOUT_HISTORY` confirmations
+* `{"commitment":"max"}` - the node will query the most recent bank confirmed by the cluster as having reached `MAX_LOCKOUT_HISTORY` confirmations
+* `{"commitment":"root"}` - the node will query the most recent bank having reached `MAX_LOCKOUT_HISTORY` confirmations on this node
 * `{"commitment":"recent"}` - the node will query its most recent bank state

 The commitment parameter should be included as the last element in the `params` array:
@@ -113,6 +118,16 @@ Many methods that take a commitment parameter return an RpcResponse JSON object
 * `value` : The value returned by the operation itself.


+## Health Check
+Although not a JSON RPC API, a `GET /heath` at the RPC HTTP Endpoint provides a
+health-check mechanism for use by load balancers or other network
+infrastructure.  This request will always return a HTTP 200 OK response with a body of
+"ok" or "behind" based on the following conditions:
+1. If one or more `--trusted-validator` arguments are provided to `solana-validator`, "ok" is returned
+   when the node has within `HEALTH_CHECK_SLOT_DISTANCE` slots of the highest trusted validator,
+   otherwise "behind" is returned.
+2. "ok" is always returned if no trusted validators are provided.
+
 ## JSON RPC API Reference

 ### getAccountInfo
@@ -182,7 +197,7 @@ The result field will be a JSON object containing:

 * `commitment` - commitment, comprising either:
  * `<null>` - Unknown block
-  * `<array>` - commitment, array of u64 integers logging the amount of cluster stake in lamports that has voted on the block at each depth from 0 to `MAX_LOCKOUT_HISTORY`
+  * `<array>` - commitment, array of u64 integers logging the amount of cluster stake in lamports that has voted on the block at each depth from 0 to `MAX_LOCKOUT_HISTORY` + 1
 * `totalStake` - total active stake, in lamports, of the current epoch

 #### Example:
@@ -192,7 +207,7 @@ The result field will be a JSON object containing:
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getBlockCommitment","params":[5]}' http://localhost:8899

 // Result
-{"jsonrpc":"2.0","result":{"commitment":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,32],"totalStake": 42},"id":1}
+{"jsonrpc":"2.0","result":{"commitment":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,32],"totalStake": 42},"id":1}
 ```

 ### getBlockTime
@@ -268,22 +283,24 @@ Returns identity and transaction information about a confirmed block in the ledg

 The result field will be an object with the following fields:

-* `blockhash: <string>` - the blockhash of this block, as base-58 encoded string
-* `previousBlockhash: <string>` - the blockhash of this block's parent, as base-58 encoded string
-* `parentSlot: <u64>` - the slot index of this block's parent
-* `transactions: <array>` - an array of JSON objects containing:
-  * `transaction: <object|string>` - [Transaction](#transaction-structure) object, either in JSON format or base-58 encoded binary data, depending on encoding parameter
-  * `meta: <object>` - transaction status metadata object, containing `null` or:
-    * `err: <object | null>` - Error if transaction failed, null if transaction succeeded. [TransactionError definitions](https://github.com/solana-labs/solana/blob/master/sdk/src/transaction.rs#L14)
-    * `fee: <u64>` - fee this transaction was charged, as u64 integer
-    * `preBalances: <array>` - array of u64 account balances from before the transaction was processed
-    * `postBalances: <array>` - array of u64 account balances after the transaction was processed
-    * DEPRECATED: `status: <object>` - Transaction status
-      * `"Ok": <null>` - Transaction was successful
-      * `"Err": <ERR>` - Transaction failed with TransactionError
-* `rewards: <array>` - an array of JSON objects containing:
-  * `pubkey: <string>` - The public key, as base-58 encoded string, of the account that received the reward
-  * `lamports: <i64>`- number of reward lamports credited or debited by the account, as a i64
+* `<null>` - if specified block is not confirmed
+* `<object>` - if block is confirmed, an object with the following fields:
+  * `blockhash: <string>` - the blockhash of this block, as base-58 encoded string
+  * `previousBlockhash: <string>` - the blockhash of this block's parent, as base-58 encoded string; if the parent block is not available due to ledger cleanup, this field will return "11111111111111111111111111111111"
+  * `parentSlot: <u64>` - the slot index of this block's parent
+  * `transactions: <array>` - an array of JSON objects containing:
+    * `transaction: <object|string>` - [Transaction](#transaction-structure) object, either in JSON format or base-58 encoded binary data, depending on encoding parameter
+    * `meta: <object>` - transaction status metadata object, containing `null` or:
+      * `err: <object | null>` - Error if transaction failed, null if transaction succeeded. [TransactionError definitions](https://github.com/solana-labs/solana/blob/master/sdk/src/transaction.rs#L14)
+      * `fee: <u64>` - fee this transaction was charged, as u64 integer
+      * `preBalances: <array>` - array of u64 account balances from before the transaction was processed
+      * `postBalances: <array>` - array of u64 account balances after the transaction was processed
+      * DEPRECATED: `status: <object>` - Transaction status
+        * `"Ok": <null>` - Transaction was successful
+        * `"Err": <ERR>` - Transaction failed with TransactionError
+  * `rewards: <array>` - an array of JSON objects containing:
+    * `pubkey: <string>` - The public key, as base-58 encoded string, of the account that received the reward
+    * `lamports: <i64>`- number of reward lamports credited or debited by the account, as a i64

 #### Example:

@@ -303,7 +320,7 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"m

 #### Transaction Structure

-Transactions are quite different from those on other blockchains. Be sure to review [Anatomy of a Transaction](transaction.md) to learn about transactions on Solana.
+Transactions are quite different from those on other blockchains. Be sure to review [Anatomy of a Transaction](../transaction.md) to learn about transactions on Solana.

 The JSON structure of a transaction is defined as follows:

@@ -345,6 +362,72 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"m
 {"jsonrpc":"2.0","result":[5,6,7,8,9,10],"id":1}
 ```

+### getConfirmedSignaturesForAddress
+
+Returns a list of all the confirmed signatures for transactions involving an address, within a specified Slot range. Max range allowed is 10_000 Slots.
+
+#### Parameters:
+
+* `<string>` - account address as base-58 encoded string
+* `<u64>` - start slot, inclusive
+* `<u64>` - end slot, inclusive
+
+#### Results:
+
+The result field will be an array of:
+* `<string>` - transaction signature as base-58 encoded string
+
+The signatures will be ordered based on the Slot in which they were confirmed in, from lowest to highest Slot
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedSignaturesForAddress","params":["6H94zdiaYfRfPfKjYLjyr2VFBg6JHXygy84r3qhc3NsC", 0, 100]}' localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":{["35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby","4bJdGN8Tt2kLWZ3Fa1dpwPSEkXWWTSszPSf1rRVsCwNjxbbUdwTeiWtmi8soA26YmwnKD4aAxNp8ci1Gjpdv4gsr","4LQ14a7BYY27578Uj8LPCaVhSdJGLn9DJqnUJHpy95FMqdKf9acAhUhecPQNjNUy6VoNFUbvwYkPociFSf87cWbG"]},"id":1}
+```
+
+### getConfirmedTransaction
+
+Returns transaction details for a confirmed transaction
+
+#### Parameters:
+
+* `<string>` - transaction signature as base-58 encoded string
+* `<string>` - (optional) encoding for the returned Transaction, either "json" or "binary". If not provided, the default encoding is JSON.
+
+#### Results:
+
+The result field will be an object with the following fields:
+* `slot: <u64>` - the slot this transaction was processed in
+* `transaction: <object|string>` - [Transaction](#transaction-structure) object, either in JSON format or base-58 encoded binary data, depending on encoding parameter
+* `meta: <object>` - transaction status metadata object, containing `null` or:
+  * `err: <object | null>` - Error if transaction failed, null if transaction succeeded. [TransactionError definitions](https://github.com/solana-labs/solana/blob/master/sdk/src/transaction.rs#L14)
+  * `fee: <u64>` - fee this transaction was charged, as u64 integer
+  * `preBalances: <array>` - array of u64 account balances from before the transaction was processed
+  * `postBalances: <array>` - array of u64 account balances after the transaction was processed
+  * DEPRECATED: `status: <object>` - Transaction status
+    * `"Ok": <null>` - Transaction was successful
+    * `"Err": <ERR>` - Transaction failed with TransactionError
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedTransaction","params":["35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby", "json"]}' localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":{"slot":430,"transaction":{"message":{"accountKeys":["6H94zdiaYfRfPfKjYLjyr2VFBg6JHXygy84r3qhc3NsC","39UAy8hsoYPywGPGdmun747omSr79zLSjqvPJN3zetoH","SysvarS1otHashes111111111111111111111111111","SysvarC1ock11111111111111111111111111111111","Vote111111111111111111111111111111111111111"],"header":{"numReadonlySignedAccounts":0,"numReadonlyUnsignedAccounts":3,"numRequiredSignatures":2},"instructions":[{"accounts":[1,2,3],"data":"29z5mr1JoRmJYQ6ynmk3pf31cGFRziAF1M3mT3L6sFXf5cKLdkEaMXMT8AqLpD4CpcupHmuMEmtZHpomrwfdZetSomNy3d","programIdIndex":4}],"recentBlockhash":"EFejToxii1L5aUF2NrK9dsbAEmZSNyN5nsipmZHQR1eA"},"signatures":["35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby","4vANMjSKiwEchGSXwVrQkwHnmsbKQmy9vdrsYxWdCup1bLsFzX8gKrFTSVDCZCae2dbxJB9mPNhqB2sD1vvr4sAD"]},"meta":{"err":null,"fee":18000,"postBalances":[499999972500,15298080,1,1,1],"preBalances":[499999990500,15298080,1,1,1],"status":{"Ok":null}}},"id":1}
+
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0","id":1,"method":"getConfirmedTransaction","params":["35YGay1Lwjwgxe9zaH6APSHbt9gYQUCtBWTNL3aVwVGn9xTFw2fgds7qK5AL29mP63A9j3rh8KpN1TgSR62XCaby", "binary"]}' localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":{"slot":430,"transaction":"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","meta":{"err":null,"fee":18000,"postBalances":[499999972500,15298080,1,1,1],"preBalances":[499999990500,15298080,1,1,1],"status":{"Ok":null}}},"id":1}
+```
+
 ### getEpochInfo

 Returns information about the current epoch
@@ -452,6 +535,28 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":{"context":{"slot":54},"value":{"feeRateGovernor":{"burnPercent":50,"maxLamportsPerSignature":100000,"minLamportsPerSignature":5000,"targetLamportsPerSignature":10000,"targetSignaturesPerSlot":20000}}},"id":1}
 ```

+### getFirstAvailableBlock
+
+Returns the slot of the lowest confirmed block that has not been purged from the ledger
+
+#### Parameters:
+
+None
+
+#### Results:
+
+* `<u64>` - Slot
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getFirstAvailableBlock"}' http://localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":250000,"id":1}
+```
+
 ### getGenesisHash

 Returns the genesis hash
@@ -526,6 +631,32 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":{"foundation":0.05,"foundationTerm":7.0,"initial":0.15,"storage":0.1,"taper":0.15,"terminal":0.015},"id":1}
 ```

+### getLargestAccounts
+
+Returns the 20 largest accounts, by lamport balance
+
+#### Parameters:
+
+* `<object>` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+
+#### Results:
+
+The result will be an RpcResponse JSON object with `value` equal to an array of:
+
+* `<object>` - otherwise, a JSON object containing:
+  * `address: <string>`, base-58 encoded address of the account
+  * `lamports: <u64>`, number of lamports in the account, as a u64
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getLargestAccounts"}' http://localhost:8899
+
+// Result
+{"jsonrpc":"2.0","result":{"context":{"slot":54},"value":[{"lamports":999974,"address":"99P8ZgtJYe1buSK8JXkvpLh8xPsCFuLYhz9hQFNw93WJ"},{"lamports":42,"address":"uPwWLo16MVehpyWqsLkK3Ka8nLowWvAHbBChqv2FZeL"},{"lamports":42,"address":"aYJCgU7REfu3XF8b3QhkqgqQvLizx8zxuLBHA25PzDS"},{"lamports":42,"address":"CTvHVtQ4gd4gUcw3bdVgZJJqApXE9nCbbbP4VTS5wE1D"},{"lamports":20,"address":"4fq3xJ6kfrh9RkJQsmVd5gNMvJbuSHfErywvEjNQDPxu"},{"lamports":4,"address":"AXJADheGVp9cruP8WYu46oNkRbeASngN5fPCMVGQqNHa"},{"lamports":2,"address":"8NT8yS6LiwNprgW4yM1jPPow7CwRUotddBVkrkWgYp24"},{"lamports":1,"address":"SysvarEpochSchedu1e111111111111111111111111"},{"lamports":1,"address":"11111111111111111111111111111111"},{"lamports":1,"address":"Stake11111111111111111111111111111111111111"},{"lamports":1,"address":"SysvarC1ock11111111111111111111111111111111"},{"lamports":1,"address":"StakeConfig11111111111111111111111111111111"},{"lamports":1,"address":"SysvarRent111111111111111111111111111111111"},{"lamports":1,"address":"Config1111111111111111111111111111111111111"},{"lamports":1,"address":"SysvarStakeHistory1111111111111111111111111"},{"lamports":1,"address":"SysvarRecentB1ockHashes11111111111111111111"},{"lamports":1,"address":"SysvarFees111111111111111111111111111111111"},{"lamports":1,"address":"Vote111111111111111111111111111111111111111"}]},"id":1}
+```
+
 ### getLeaderSchedule

 Returns the leader schedule for an epoch
@@ -655,7 +786,7 @@ An array of:
 * `<null>` - Unknown transaction
 * `<object>`
  * `slot: <u64>` - The slot the transaction was processed
-  * `confirmations: <usize | null>` - Number of blocks since signature confirmation, null if rooted
+  * `confirmations: <usize | null>` - Number of blocks since signature confirmation, null if rooted, as well as finalized by a supermajority of the cluster
  * `err: <object | null>` - Error if transaction failed, null if transaction succeeded. [TransactionError definitions](https://github.com/solana-labs/solana/blob/master/sdk/src/transaction.rs#L14)
  * DEPRECATED: `status: <object>` - Transaction status
    * `"Ok": <null>` - Transaction was successful
@@ -808,6 +939,32 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":1024,"id":1}
 ```

+### getSupply
+
+Returns information about the current supply.
+
+#### Parameters:
+
+* `<object>` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
+
+#### Results:
+
+The result will be an RpcResponse JSON object with `value` equal to a JSON object containing:
+
+* `total: <u64>` - Total supply in lamports
+* `circulating: <u64>` - Circulating supply in lamports
+* `nonCirculating: <u64>` - Non-circulating supply in lamports
+* `nonCirculatingAccounts: <array>` - an array of account addresses of non-circulating accounts, as strings
+
+#### Example:
+
+```bash
+// Request
+curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0", "id":1, "method":"getCirculatingSupply"}' http://localhost:8899
+// Result
+{"jsonrpc":"2.0","result":{"context":{"slot":1114},"value":{"circulating":16000,"nonCirculating":1000000,"nonCirculatingAccounts":["FEy8pTbP5fEoqMV1GdTz83byuA8EKByqYat1PKDgVAq5","9huDUZfxoJ7wGMTffUE7vh1xePqef7gyrLJu9NApncqA","3mi1GmwEE3zo2jmfDuzvjSX9ovRXsDUKHvsntpkhuLJ9","BYxEJTDerkaRWBem3XgnVcdhppktBXa2HbkHPKj2Ui4Z],total:1016000}},"id":1}
+```
+
 ### getTransactionCount

 Returns the current Transaction count from the ledger
@@ -830,28 +987,6 @@ curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "m
 {"jsonrpc":"2.0","result":268,"id":1}
 ```

-### getTotalSupply
-
-Returns the current total supply in lamports
-
-#### Parameters:
-
-* `<object>` - (optional) [Commitment](jsonrpc-api.md#configuring-state-commitment)
-
-#### Results:
-
-* `<u64>` - Total supply
-
-#### Example:
-
-```bash
-// Request
-curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getTotalSupply"}' http://localhost:8899
-
-// Result
-{"jsonrpc":"2.0","result":10126,"id":1}
-```
-
 ### getVersion

 Returns the current solana versions running on the node
@@ -872,7 +1007,7 @@ The result field will be a JSON object with the following fields:
 // Request
 curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getVersion"}' http://localhost:8899
 // Result
-{"jsonrpc":"2.0","result":{"solana-core": "1.0.14"},"id":1}
+{"jsonrpc":"2.0","result":{"solana-core": "1.0.22"},"id":1}
 ```

 ### getVoteAccounts
--- a/docs/src/cli/usage.md
+++ b/docs/src/cli/usage.md
@@ -171,7 +171,7 @@ $ solana send-timestamp <PUBKEY> <PROCESS_ID> --date 2018-12-24T23:59:00
 ## Usage
 ### solana-cli
 ```text
-solana-cli 1.0.14 [channel=unknown commit=unknown]
+solana-cli 1.0.22 [channel=unknown commit=unknown]
 Blockchain, Rebuilt for Scale

 USAGE:
--- a/docs/src/wallet/trust-wallet.md
+++ b/docs/src/wallet/trust-wallet.md
@@ -5,50 +5,18 @@ simplest way for most users to get started with a Solana wallet.
 ## Install Trust Wallet

 #### iOS
+
 - Open the App Store
 - Download “Trust: Crypto & Bitcoin Wallet” from Six Days LLC
   - Requires iOS 13.0 or higher
 - Open Trust Wallet and follow the app prompts to get started

-***
-
 #### Android

-**NOTE: At this time, Solana's SOL tokens are only supported in the Beta version
-of Trust Wallet for Android.  The following steps explain how to install this
-Beta version to start using your Solana wallet. Check back here or check the
-latest official Trust Wallet release notes for when support is added to their
-official Android release.**
-
 - Open the Play Store
- - Download the official version of Trust Wallet
-   - “Trust: Crypto & Bitcoin Wallet” from Six Days LLC
+ - Download “Trust Crypto Wallet” from Six Days LLC
   - Requires Android 6.0 or higher
-
-![Install the Official Version of Trust Wallet](../.gitbook/assets/install-official-trust-wallet.png)
-
-##### Enable Beta version of Trust Wallet
- - Make sure you already have the official version installed
- - Open Play Store and view Trust Wallet's app page
- - Scroll down to the bottom to the "Beta" section and tap "Join"
- - It may take a few minutes for your device to get access to the Beta version
-
-![Join the Beta program](../.gitbook/assets/join-beta-trust-wallet.png)
-
-##### Upgrade to the Beta version
- - Open Play Store .
- - Tap Menu --> My apps and games --> Beta.
- - Tap Trust Wallet
- - Tap Upgrade when brought back to the Trust Wallet (Beta) install page
-
-![Find Beta app you've joined](../.gitbook/assets/find-beta-apps.png)
-
-***
-
-![Upgrade to Trust Wallet Beta](../.gitbook/assets/update-trust-wallet-to-beta.png)
-
-##### Beta Install Support for Android
- - [Google's Official Help for Installing Beta Versions of Apps](https://support.google.com/googleplay/answer/7003180?hl=en)
+ - Open Trust Wallet and follow the app prompts to get started

 ## Add Solana (SOL) tokens to your wallet
 - From the main page, go to the “Tokens” tab at the top of the screen
--- a/faucet/Cargo.toml
+++ b/faucet/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-faucet"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana Faucet"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -19,10 +19,10 @@ clap = "2.33"
 log = "0.4.8"
 serde = "1.0.104"
 serde_derive = "1.0.103"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
 tokio = "0.1"
 tokio-codec = "0.1"

@@ -33,3 +33,6 @@ name = "solana_faucet"
 [[bin]]
 name = "solana-faucet"
 path = "src/bin/faucet.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/fetch-perf-libs.sh
+++ b/fetch-perf-libs.sh
@@ -21,10 +21,20 @@ if [[ ! -f target/perf-libs/.$VERSION ]]; then
  (
    set -x
    cd target/perf-libs
-    curl -L --retry 5 --retry-delay 2 --retry-connrefused -o solana-perf.tgz \
-      https://github.com/solana-labs/solana-perf-libs/releases/download/$PERF_LIBS_VERSION/solana-perf.tgz
+
+    if [[ -r ~/.cache/solana-perf-$PERF_LIBS_VERSION.tgz ]]; then
+      cp ~/.cache/solana-perf-$PERF_LIBS_VERSION.tgz solana-perf.tgz
+    else
+      curl -L --retry 5 --retry-delay 2 --retry-connrefused -o solana-perf.tgz \
+        https://github.com/solana-labs/solana-perf-libs/releases/download/$PERF_LIBS_VERSION/solana-perf.tgz
+    fi
    tar zxvf solana-perf.tgz
-    rm -f solana-perf.tgz
+
+    if [[ ! -r ~/.cache/solana-perf-$PERF_LIBS_VERSION.tgz ]]; then
+      # Save it for next time
+      mkdir -p ~/.cache
+      mv solana-perf.tgz ~/.cache/solana-perf-$PERF_LIBS_VERSION.tgz
+    fi
    touch .$VERSION
  )

--- a/genesis-programs/Cargo.toml
+++ b/genesis-programs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-genesis-programs"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana genesis programs"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -10,17 +10,20 @@ edition = "2018"

 [dependencies]
 log = { version = "0.4.8" }
-solana-bpf-loader-program = { path = "../programs/bpf_loader", version = "1.0.14" }
-solana-budget-program = { path = "../programs/budget", version = "1.0.14" }
-solana-config-program = { path = "../programs/config", version = "1.0.14" }
-solana-exchange-program = { path = "../programs/exchange", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
-solana-vest-program = { path = "../programs/vest", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
+solana-bpf-loader-program = { path = "../programs/bpf_loader", version = "1.0.22" }
+solana-budget-program = { path = "../programs/budget", version = "1.0.22" }
+solana-config-program = { path = "../programs/config", version = "1.0.22" }
+solana-exchange-program = { path = "../programs/exchange", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
+solana-vest-program = { path = "../programs/vest", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }

 [lib]
 crate-type = ["lib"]
 name = "solana_genesis_programs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/genesis/Cargo.toml
+++ b/genesis/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-genesis"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -15,13 +15,13 @@ chrono = "0.4"
 serde = "1.0.104"
 serde_json = "1.0.46"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-genesis-programs = { path = "../genesis-programs", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-genesis-programs = { path = "../genesis-programs", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
 tempfile = "3.1.0"

 [[bin]]
@@ -31,3 +31,6 @@ path = "src/main.rs"

 [lib]
 name = "solana_genesis"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/gossip/Cargo.toml
+++ b/gossip/Cargo.toml
@@ -3,19 +3,22 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-gossip"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 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 = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-net-utils = { path = "../net-utils", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-net-utils = { path = "../net-utils", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }



+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/install/Cargo.toml
+++ b/install/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-install"
 description = "The solana cluster software installer"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -24,11 +24,11 @@ reqwest = { version = "0.10.1", default-features = false, features = ["blocking"
 serde = "1.0.104"
 serde_derive = "1.0.103"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-config-program = { path = "../programs/config", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-config-program = { path = "../programs/config", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
 semver = "0.9.0"
 tar = "0.4.26"
 tempdir = "0.3.7"
@@ -45,3 +45,6 @@ path = "src/main-install.rs"
 [[bin]]
 name = "solana-install-init"
 path = "src/main-install-init.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/install/src/command.rs
+++ b/install/src/command.rs
@@ -581,7 +581,7 @@ pub fn info(config_file: &str, local_info_only: bool) -> Result<Option<UpdateMan
    if let Some(explicit_release) = &config.explicit_release {
        match explicit_release {
            ExplicitRelease::Semver(release_semver) => {
-                println_name_value(&format!("v{}Release version:", BULLET), &release_semver);
+                println_name_value(&format!("{}Release version:", BULLET), &release_semver);
                println_name_value(
                    &format!("{}Release URL:", BULLET),
                    &github_release_download_url(release_semver),
--- a/install/src/main-install-init.rs
+++ b/install/src/main-install-init.rs
@@ -1,4 +1,3 @@
-use atty;
 use std::process::exit;

 fn press_enter() {
--- a/keygen/Cargo.toml
+++ b/keygen/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-keygen"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana key generation utility"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -13,12 +13,15 @@ bs58 = "0.3.0"
 clap = "2.33"
 dirs = "2.0.2"
 num_cpus = "1.12.0"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-cli-config = { path = "../cli-config", version = "1.0.14" }
-solana-remote-wallet = { path = "../remote-wallet", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-cli-config = { path = "../cli-config", version = "1.0.22" }
+solana-remote-wallet = { path = "../remote-wallet", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
 tiny-bip39 = "0.7.0"

 [[bin]]
 name = "solana-keygen"
 path = "src/keygen.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/keygen/src/keygen.rs
+++ b/keygen/src/keygen.rs
@@ -1,10 +1,8 @@
 use bip39::{Language, Mnemonic, MnemonicType, Seed};
-use bs58;
 use clap::{
    crate_description, crate_name, value_t, values_t_or_exit, App, AppSettings, Arg, ArgMatches,
    SubCommand,
 };
-use num_cpus;
 use solana_clap_utils::{
    input_validators::is_derivation,
    keypair::{
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-ledger-tool"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,14 +14,19 @@ clap = "2.33.0"
 histogram = "*"
 serde_json = "1.0.46"
 serde_yaml = "0.8.11"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-cli = { path = "../cli", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-transaction-status = { path = "../transaction-status", version = "1.0.22" }
 tempfile = "3.1.0"

 [dev-dependencies]
 assert_cmd = "0.12"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/ledger-tool/src/main.rs
+++ b/ledger-tool/src/main.rs
@@ -2,7 +2,6 @@ use clap::{
    crate_description, crate_name, value_t, value_t_or_exit, values_t_or_exit, App, Arg,
    ArgMatches, SubCommand,
 };
-use histogram;
 use serde_json::json;
 use solana_clap_utils::input_validators::is_slot;
 use solana_ledger::{
@@ -15,8 +14,8 @@ use solana_ledger::{
    snapshot_utils,
 };
 use solana_sdk::{
-    clock::Slot, genesis_config::GenesisConfig, native_token::lamports_to_sol,
-    program_utils::limited_deserialize, pubkey::Pubkey, shred_version::compute_shred_version,
+    clock::Slot, genesis_config::GenesisConfig, native_token::lamports_to_sol, pubkey::Pubkey,
+    shred_version::compute_shred_version,
 };
 use solana_vote_program::vote_state::VoteState;
 use std::{
@@ -83,112 +82,23 @@ fn output_slot(
                    entry.transactions.len()
                );
                for (transactions_index, transaction) in entry.transactions.iter().enumerate() {
-                    let message = &transaction.message;
                    println!("    Transaction {}", transactions_index);
-                    println!("      Recent Blockhash: {:?}", message.recent_blockhash);
-                    for (signature_index, signature) in transaction.signatures.iter().enumerate() {
-                        println!("      Signature {}: {:?}", signature_index, signature);
-                    }
-                    println!("      Header: {:?}", message.header);
-                    for (account_index, account) in message.account_keys.iter().enumerate() {
-                        println!("      Account {}: {:?}", account_index, account);
-                    }
-                    for (instruction_index, instruction) in message.instructions.iter().enumerate()
-                    {
-                        let program_pubkey =
-                            message.account_keys[instruction.program_id_index as usize];
-                        println!("      Instruction {}", instruction_index);
-                        println!(
-                            "        Program: {} ({})",
-                            program_pubkey, instruction.program_id_index
-                        );
-                        for (account_index, account) in instruction.accounts.iter().enumerate() {
-                            let account_pubkey = message.account_keys[*account as usize];
-                            println!(
-                                "        Account {}: {} ({})",
-                                account_index, account_pubkey, account
+                    let transaction_status = blockstore
+                        .read_transaction_status((transaction.signatures[0], slot))
+                        .unwrap_or_else(|err| {
+                            eprintln!(
+                                "Failed to read transaction status for {} at slot {}: {}",
+                                transaction.signatures[0], slot, err
                            );
-                        }
+                            None
+                        })
+                        .map(|transaction_status| transaction_status.into());

-                        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)
-                            {
-                                println!("        {:?}", 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)
-                            {
-                                println!("        {:?}", 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)
-                            {
-                                println!("        {:?}", system_instruction);
-                                raw = false;
-                            }
-                        }
-
-                        if raw {
-                            println!("        Data: {:?}", instruction.data);
-                        }
-                    }
-                    match blockstore.read_transaction_status((transaction.signatures[0], slot)) {
-                        Ok(transaction_status) => {
-                            if let Some(transaction_status) = transaction_status {
-                                println!(
-                                    "      Status: {}",
-                                    if transaction_status.status.is_ok() {
-                                        "Ok".into()
-                                    } else {
-                                        transaction_status.status.unwrap_err().to_string()
-                                    }
-                                );
-                                println!("        Fee: {}", 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 {
-                                        println!(
-                                            "        Account {} balance: {} SOL",
-                                            i,
-                                            lamports_to_sol(*pre)
-                                        );
-                                    } else {
-                                        println!(
-                                            "        Account {} balance: {} SOL -> {} SOL",
-                                            i,
-                                            lamports_to_sol(*pre),
-                                            lamports_to_sol(*post)
-                                        );
-                                    }
-                                }
-                            } else {
-                                println!("      Status: Unavailable");
-                            }
-                        }
-                        Err(err) => {
-                            println!("      Status: {:?}", err);
-                        }
-                    }
+                    solana_cli::display::println_transaction(
+                        &transaction,
+                        &transaction_status,
+                        "      ",
+                    );
                }
            }
            LedgerOutputMethod::Json => {
@@ -808,6 +718,19 @@ fn main() {
            .arg(&account_paths_arg)
            .arg(&halt_at_slot_arg)
            .arg(&hard_forks_arg)
+            .arg(
+                Arg::with_name("include_sysvars")
+                    .long("include-sysvars")
+                    .takes_value(false)
+                    .help("Include sysvars too"),
+            )
+        ).subcommand(
+            SubCommand::with_name("capitalization")
+            .about("Print capitalization (aka, total suppy)")
+            .arg(&no_snapshot_arg)
+            .arg(&account_paths_arg)
+            .arg(&halt_at_slot_arg)
+            .arg(&hard_forks_arg)
        ).subcommand(
            SubCommand::with_name("prune")
            .about("Prune the ledger at the block height")
@@ -1090,6 +1013,7 @@ fn main() {
                ..ProcessOptions::default()
            };
            let genesis_config = open_genesis_config(&ledger_path);
+            let include_sysvars = arg_matches.is_present("include_sysvars");
            match load_bank_forks(arg_matches, &ledger_path, &genesis_config, process_options) {
                Ok((bank_forks, bank_forks_info, _leader_schedule_cache, _snapshot_hash)) => {
                    let slot = dev_halt_at_slot.unwrap_or_else(|| {
@@ -1105,19 +1029,23 @@ fn main() {
                        exit(1);
                    });

-                    let accounts: Vec<_> = bank
+                    let accounts: BTreeMap<_, _> = bank
                        .get_program_accounts(None)
                        .into_iter()
-                        .filter(|(pubkey, _account)| !solana_sdk::sysvar::is_sysvar_id(pubkey))
+                        .filter(|(pubkey, _account)| {
+                            include_sysvars || !solana_sdk::sysvar::is_sysvar_id(pubkey)
+                        })
                        .collect();

                    println!("---");
                    for (pubkey, account) in accounts.into_iter() {
+                        let data_len = account.data.len();
                        println!("{}:", pubkey);
                        println!("  - lamports: {}", account.lamports);
                        println!("  - owner: '{}'", account.owner);
                        println!("  - executable: {}", account.executable);
                        println!("  - data: '{}'", bs58::encode(account.data).into_string());
+                        println!("  - data_len: {}", data_len);
                    }
                }
                Err(err) => {
@@ -1126,6 +1054,83 @@ fn main() {
                }
            }
        }
+        ("capitalization", Some(arg_matches)) => {
+            let dev_halt_at_slot = value_t!(arg_matches, "halt_at_slot", Slot).ok();
+            let process_options = ProcessOptions {
+                dev_halt_at_slot,
+                new_hard_forks: hardforks_of(arg_matches, "hard_forks"),
+                poh_verify: false,
+                ..ProcessOptions::default()
+            };
+            let genesis_config = open_genesis_config(&ledger_path);
+            match load_bank_forks(arg_matches, &ledger_path, &genesis_config, process_options) {
+                Ok((bank_forks, bank_forks_info, _leader_schedule_cache, _snapshot_hash)) => {
+                    let slot = dev_halt_at_slot.unwrap_or_else(|| {
+                        if bank_forks_info.len() > 1 {
+                            eprintln!("Error: multiple forks present");
+                            exit(1);
+                        }
+                        bank_forks_info[0].bank_slot
+                    });
+
+                    let bank = bank_forks.get(slot).unwrap_or_else(|| {
+                        eprintln!("Error: Slot {} is not available", slot);
+                        exit(1);
+                    });
+
+                    use solana_sdk::native_token::LAMPORTS_PER_SOL;
+                    use std::fmt::{Display, Formatter, Result};
+                    pub struct Sol(u64);
+
+                    impl Display for Sol {
+                        fn fmt(&self, f: &mut Formatter) -> Result {
+                            write!(
+                                f,
+                                "{}.{:09} SOL",
+                                self.0 / LAMPORTS_PER_SOL,
+                                self.0 % LAMPORTS_PER_SOL
+                            )
+                        }
+                    }
+
+                    let computed_capitalization: u64 = bank
+                        .get_program_accounts(None)
+                        .into_iter()
+                        .filter_map(|(_pubkey, account)| {
+                            if account.lamports == u64::max_value() {
+                                return None;
+                            }
+
+                            let is_specially_retained =
+                                solana_sdk::native_loader::check_id(&account.owner)
+                                    || solana_sdk::sysvar::check_id(&account.owner);
+
+                            if is_specially_retained {
+                                // specially retained accounts are ensured to exist by
+                                // alwaysing having a balance of 1 lamports, which is
+                                // outside the capitalization calculation.
+                                Some(account.lamports - 1)
+                            } else {
+                                Some(account.lamports)
+                            }
+                        })
+                        .sum();
+
+                    if bank.capitalization() != computed_capitalization {
+                        panic!(
+                            "Capitalization mismatch!?: {} != {}",
+                            bank.capitalization(),
+                            computed_capitalization
+                        );
+                    }
+                    println!("Capitalization: {}", Sol(bank.capitalization()));
+                }
+                Err(err) => {
+                    eprintln!("Failed to load ledger: {:?}", err);
+                    exit(1);
+                }
+            }
+        }
        ("purge", Some(arg_matches)) => {
            let start_slot = value_t_or_exit!(arg_matches, "start_slot", Slot);
            let end_slot = value_t!(arg_matches, "end_slot", Slot);
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "solana-ledger"
-version = "1.0.14"
+version = "1.0.22"
 description = "Solana ledger"
 authors = ["Solana Maintainers <maintainers@solana.com>"]
 repository = "https://github.com/solana-labs/solana"
@@ -21,26 +21,26 @@ itertools = "0.8.2"
 libc = "0.2.66"
 log = { version = "0.4.8" }
 num_cpus = "1.0.0"
-rand = "0.6.5"
-rand_chacha = "0.1.1"
+rand = "0.7.0"
+rand_chacha = "0.2.2"
 rayon = "1.2.0"
 reed-solomon-erasure = { package = "solana-reed-solomon-erasure", version = "4.0.1-3", features = ["simd-accel"] }
 regex = "1.3.4"
 serde = "1.0.104"
 serde_bytes = "0.11.3"
-solana-transaction-status = { path = "../transaction-status", version = "1.0.14" }
-solana-genesis-programs = { path = "../genesis-programs", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-measure = { path = "../measure", version = "1.0.14" }
-solana-merkle-tree = { path = "../merkle-tree", version = "1.0.14" }
-solana-metrics = { path = "../metrics", version = "1.0.14" }
-solana-perf = { path = "../perf", version = "1.0.14" }
+solana-transaction-status = { path = "../transaction-status", version = "1.0.22" }
+solana-genesis-programs = { path = "../genesis-programs", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-measure = { path = "../measure", version = "1.0.22" }
+solana-merkle-tree = { path = "../merkle-tree", version = "1.0.22" }
+solana-metrics = { path = "../metrics", version = "1.0.22" }
+solana-perf = { path = "../perf", version = "1.0.22" }
 ed25519-dalek = "1.0.0-pre.1"
-solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
+solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
 symlink = "0.1.0"
 tar = "0.4.26"
 thiserror = "1.0"
@@ -50,14 +50,14 @@ lazy_static = "1.4.0"
 [dependencies.rocksdb]
 # Avoid the vendored bzip2 within rocksdb-sys that can cause linker conflicts
 # when also using the bzip2 crate
-version = "0.13.0"
+version = "0.14.0"
 default-features = false
 features = ["lz4"]

 [dev-dependencies]
 assert_matches = "1.3.0"
 matches = "0.1.6"
-solana-budget-program = { path = "../programs/budget", version = "1.0.14" }
+solana-budget-program = { path = "../programs/budget", version = "1.0.22" }

 [lib]
 crate-type = ["lib"]
@@ -65,3 +65,6 @@ name = "solana_ledger"

 [[bench]]
 name = "sigverify_shreds"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/ledger/src/bank_forks.rs
+++ b/ledger/src/bank_forks.rs
@@ -165,6 +165,7 @@ impl BankForks {
        &mut self,
        root: Slot,
        snapshot_package_sender: &Option<SnapshotPackageSender>,
+        largest_confirmed_root: Option<Slot>,
    ) {
        self.root = root;
        let set_root_start = Instant::now();
@@ -205,7 +206,7 @@ impl BankForks {
            }
        }

-        self.prune_non_root(root);
+        self.prune_non_root(root, largest_confirmed_root);

        inc_new_counter_info!(
            "bank-forks_set_root_ms",
@@ -276,10 +277,19 @@ impl BankForks {
        Ok(())
    }

-    fn prune_non_root(&mut self, root: Slot) {
+    fn prune_non_root(&mut self, root: Slot, largest_confirmed_root: Option<Slot>) {
        let descendants = self.descendants();
-        self.banks
-            .retain(|slot, _| slot == &root || descendants[&root].contains(slot));
+        self.banks.retain(|slot, _| {
+            *slot == root
+                || descendants[&root].contains(slot)
+                || (*slot < root
+                    && *slot >= largest_confirmed_root.unwrap_or(root)
+                    && descendants[slot].contains(&root))
+        });
+        datapoint_debug!(
+            "bank_forks_purge_non_root",
+            ("num_banks_retained", self.banks.len(), i64),
+        );
    }

    pub fn set_snapshot_config(&mut self, snapshot_config: Option<SnapshotConfig>) {
--- a/ledger/src/blockstore.rs
+++ b/ledger/src/blockstore.rs
@@ -12,7 +12,6 @@ use crate::{
    erasure::ErasureConfig,
    leader_schedule_cache::LeaderScheduleCache,
    next_slots_iterator::NextSlotsIterator,
-    rooted_slot_iterator::RootedSlotIterator,
    shred::{Shred, Shredder},
 };
 use bincode::deserialize;
@@ -37,8 +36,8 @@ use solana_sdk::{
    transaction::Transaction,
 };
 use solana_transaction_status::{
-    ConfirmedBlock, EncodedTransaction, Rewards, RpcTransactionStatusMeta, TransactionEncoding,
-    TransactionStatusMeta, TransactionWithStatusMeta,
+    ConfirmedBlock, ConfirmedTransaction, EncodedTransaction, Rewards, RpcTransactionStatusMeta,
+    TransactionEncoding, TransactionStatusMeta, TransactionWithStatusMeta,
 };
 use solana_vote_program::{vote_instruction::VoteInstruction, vote_state::TIMESTAMP_SLOT_INTERVAL};
 use std::{
@@ -66,7 +65,7 @@ thread_local!(static PAR_THREAD_POOL: RefCell<ThreadPool> = RefCell::new(rayon::
 pub const MAX_COMPLETED_SLOTS_IN_CHANNEL: usize = 100_000;
 pub const MAX_TURBINE_PROPAGATION_IN_MS: u64 = 100;
 pub const MAX_TURBINE_DELAY_IN_TICKS: u64 = MAX_TURBINE_PROPAGATION_IN_MS / MS_PER_TICK;
-const TIMESTAMP_SLOT_RANGE: usize = 50;
+const TIMESTAMP_SLOT_RANGE: usize = 16;

 // An upper bound on maximum number of data shreds we can handle in a slot
 // 32K shreds would allow ~320K peak TPS
@@ -87,6 +86,7 @@ pub struct Blockstore {
    data_shred_cf: LedgerColumn<cf::ShredData>,
    code_shred_cf: LedgerColumn<cf::ShredCode>,
    transaction_status_cf: LedgerColumn<cf::TransactionStatus>,
+    address_signatures_cf: LedgerColumn<cf::AddressSignatures>,
    transaction_status_index_cf: LedgerColumn<cf::TransactionStatusIndex>,
    active_transaction_status_index: RwLock<u64>,
    rewards_cf: LedgerColumn<cf::Rewards>,
@@ -201,6 +201,7 @@ impl Blockstore {
        let data_shred_cf = db.column();
        let code_shred_cf = db.column();
        let transaction_status_cf = db.column();
+        let address_signatures_cf = db.column();
        let transaction_status_index_cf = db.column();
        let rewards_cf = db.column();

@@ -217,7 +218,9 @@ impl Blockstore {
        // Get active transaction-status index or 0
        let active_transaction_status_index = db
            .iter::<cf::TransactionStatusIndex>(IteratorMode::Start)?
-            .next()
+            .next();
+        let initialize_transaction_status_index = active_transaction_status_index.is_none();
+        let active_transaction_status_index = active_transaction_status_index
            .and_then(|(_, data)| {
                let index0: TransactionStatusIndexMeta = deserialize(&data).unwrap();
                if index0.frozen {
@@ -241,6 +244,7 @@ impl Blockstore {
            data_shred_cf,
            code_shred_cf,
            transaction_status_cf,
+            address_signatures_cf,
            transaction_status_index_cf,
            active_transaction_status_index: RwLock::new(active_transaction_status_index),
            rewards_cf,
@@ -251,6 +255,9 @@ impl Blockstore {
            lowest_cleanup_slot: Arc::new(RwLock::new(0)),
            no_compaction: false,
        };
+        if initialize_transaction_status_index {
+            blockstore.initialize_transaction_status_index()?;
+        }
        Ok(blockstore)
    }

@@ -386,10 +393,14 @@ impl Blockstore {
            &mut w_active_transaction_status_index,
            to_slot,
        )? {
-            columns_empty &= &self
+            columns_empty &= self
                .db
                .delete_range_cf::<cf::TransactionStatus>(&mut write_batch, index, index + 1)
-                .unwrap_or(false);
+                .unwrap_or(false)
+                & self
+                    .db
+                    .delete_range_cf::<cf::AddressSignatures>(&mut write_batch, index, index + 1)
+                    .unwrap_or(false);
        }
        let mut write_timer = Measure::start("write_batch");
        if let Err(e) = self.db.write(write_batch) {
@@ -402,7 +413,7 @@ impl Blockstore {
        write_timer.stop();
        datapoint_info!(
            "blockstore-purge",
-            ("write_batch_ns", write_timer.as_us() as i64, i64)
+            ("write_batch_us", write_timer.as_us() as i64, i64)
        );
        Ok(columns_empty)
    }
@@ -449,6 +460,14 @@ impl Blockstore {
                .transaction_status_cf
                .compact_range(0, 2)
                .unwrap_or(false)
+            && self
+                .address_signatures_cf
+                .compact_range(0, 2)
+                .unwrap_or(false)
+            && self
+                .transaction_status_index_cf
+                .compact_range(0, 2)
+                .unwrap_or(false)
            && self
                .rewards_cf
                .compact_range(from_slot, to_slot)
@@ -1363,6 +1382,10 @@ impl Blockstore {
        slot_duration: Duration,
        stakes: &HashMap<Pubkey, (u64, Account)>,
    ) -> Result<Option<UnixTimestamp>> {
+        datapoint_info!(
+            "blockstore-rpc-api",
+            ("method", "get_block_time".to_string(), String)
+        );
        let lowest_cleanup_slot = self.lowest_cleanup_slot.read().unwrap();
        // lowest_cleanup_slot is the last slot that was not cleaned up by
        // LedgerCleanupService
@@ -1370,18 +1393,34 @@ impl Blockstore {
            return Err(BlockstoreError::SlotCleanedUp);
        }

+        let mut get_unique_timestamps = Measure::start("get_unique_timestamps");
        let unique_timestamps: HashMap<Pubkey, (Slot, UnixTimestamp)> = self
            .get_timestamp_slots(slot, TIMESTAMP_SLOT_INTERVAL, TIMESTAMP_SLOT_RANGE)
            .into_iter()
            .flat_map(|query_slot| self.get_block_timestamps(query_slot).unwrap_or_default())
            .collect();
+        get_unique_timestamps.stop();

-        Ok(calculate_stake_weighted_timestamp(
-            unique_timestamps,
-            stakes,
-            slot,
-            slot_duration,
-        ))
+        let mut calculate_timestamp = Measure::start("calculate_timestamp");
+        let stake_weighted_timestamps =
+            calculate_stake_weighted_timestamp(unique_timestamps, stakes, slot, slot_duration);
+        calculate_timestamp.stop();
+        datapoint_info!(
+            "blockstore-get-block-time",
+            ("slot", slot as i64, i64),
+            (
+                "get_unique_timestamps_us",
+                get_unique_timestamps.as_us() as i64,
+                i64
+            ),
+            (
+                "calculate_stake_weighted_timestamp_us",
+                calculate_timestamp.as_us() as i64,
+                i64
+            )
+        );
+
+        Ok(stake_weighted_timestamps)
    }

    fn get_timestamp_slots(
@@ -1390,41 +1429,47 @@ impl Blockstore {
        timestamp_interval: u64,
        timestamp_sample_range: usize,
    ) -> Vec<Slot> {
-        let root_iterator = self.db.iter::<cf::Root>(IteratorMode::Start);
+        let baseline_slot = slot - (slot % timestamp_interval);
+        let root_iterator = self.db.iter::<cf::Root>(IteratorMode::From(
+            baseline_slot,
+            IteratorDirection::Forward,
+        ));
        if !self.is_root(slot) || root_iterator.is_err() {
            return vec![];
        }
-        let lowest_nonzero_root = root_iterator.unwrap().map(|(slot, _)| slot).nth(1).unwrap();
-        let rooted_slots = RootedSlotIterator::new(lowest_nonzero_root, &self);
-        let slots: Vec<Slot> = rooted_slots
+        let mut get_slots = Measure::start("get_slots");
+        let mut slots: Vec<Slot> = root_iterator
            .unwrap()
            .map(|(iter_slot, _)| iter_slot)
+            .take(timestamp_sample_range)
            .filter(|&iter_slot| iter_slot <= slot)
            .collect();

-        if slots.len() < timestamp_sample_range {
-            return slots;
+        if slots.len() < timestamp_sample_range && baseline_slot >= timestamp_interval {
+            let earlier_baseline = baseline_slot - timestamp_interval;
+            let earlier_root_iterator = self.db.iter::<cf::Root>(IteratorMode::From(
+                earlier_baseline,
+                IteratorDirection::Forward,
+            ));
+            if let Ok(iterator) = earlier_root_iterator {
+                slots = iterator
+                    .map(|(iter_slot, _)| iter_slot)
+                    .take(timestamp_sample_range)
+                    .collect();
+            }
        }
+        get_slots.stop();
+        datapoint_info!(
+            "blockstore-get-timestamp-slots",
+            ("slot", slot as i64, i64),
+            ("get_slots_us", get_slots.as_us() as i64, i64)
+        );
+        slots
+    }

-        let recent_timestamp_slot_position = slots
-            .iter()
-            .position(|&x| x >= slot - (slot % timestamp_interval))
-            .unwrap();
-
-        let filtered_iter =
-            if slots.len() - timestamp_sample_range >= recent_timestamp_slot_position {
-                slots.iter().skip(recent_timestamp_slot_position)
-            } else {
-                let earlier_timestamp_slot_position = slots
-                    .iter()
-                    .position(|&x| x >= slot - (slot % timestamp_interval) - timestamp_interval)
-                    .unwrap();
-                slots.iter().skip(earlier_timestamp_slot_position)
-            };
-        filtered_iter
-            .take(timestamp_sample_range)
-            .cloned()
-            .collect()
+    pub fn get_first_available_block(&self) -> Result<Slot> {
+        let mut root_iterator = self.rooted_slot_iterator(self.lowest_slot())?;
+        Ok(root_iterator.next().unwrap_or_default())
    }

    pub fn get_confirmed_block(
@@ -1432,6 +1477,10 @@ impl Blockstore {
        slot: Slot,
        encoding: Option<TransactionEncoding>,
    ) -> Result<ConfirmedBlock> {
+        datapoint_info!(
+            "blockstore-rpc-api",
+            ("method", "get_confirmed_block".to_string(), String)
+        );
        let lowest_cleanup_slot = self.lowest_cleanup_slot.read().unwrap();
        // lowest_cleanup_slot is the last slot that was not cleaned up by
        // LedgerCleanupService
@@ -1455,7 +1504,9 @@ impl Blockstore {
                    .iter()
                    .cloned()
                    .flat_map(|entry| entry.transactions);
-                let parent_slot_entries = self.get_slot_entries(slot_meta.parent_slot, 0, None)?;
+                let parent_slot_entries = self
+                    .get_slot_entries(slot_meta.parent_slot, 0, None)
+                    .unwrap_or_default();
                let previous_blockhash = if !parent_slot_entries.is_empty() {
                    get_last_hash(parent_slot_entries.iter()).unwrap()
                } else {
@@ -1512,8 +1563,12 @@ impl Blockstore {
            .put(1, &TransactionStatusIndexMeta::default())?;
        // This dummy status improves compaction performance
        self.transaction_status_cf.put(
-            (2, Signature::default(), 0),
+            cf::TransactionStatus::as_index(2),
            &TransactionStatusMeta::default(),
+        )?;
+        self.address_signatures_cf.put(
+            cf::AddressSignatures::as_index(2),
+            &AddressSignatureMeta::default(),
        )
    }

@@ -1564,15 +1619,11 @@ impl Blockstore {
        }
    }

-    fn make_transaction_status_index(
+    fn get_primary_index(
        &self,
-        index: (Signature, Slot),
+        slot: Slot,
        w_active_transaction_status_index: &mut u64,
-    ) -> Result<(u64, Signature, Slot)> {
-        let (signature, slot) = index;
-        if self.transaction_status_index_cf.get(0)?.is_none() {
-            self.initialize_transaction_status_index()?;
-        }
+    ) -> Result<u64> {
        let i = *w_active_transaction_status_index;
        let mut index_meta = self.transaction_status_index_cf.get(i)?.unwrap();
        if slot > index_meta.max_slot {
@@ -1580,7 +1631,7 @@ impl Blockstore {
            index_meta.max_slot = slot;
            self.transaction_status_index_cf.put(i, &index_meta)?;
        }
-        Ok((i, signature, slot))
+        Ok(i)
    }

    pub fn read_transaction_status(
@@ -1598,16 +1649,32 @@ impl Blockstore {

    pub fn write_transaction_status(
        &self,
-        index: (Signature, Slot),
+        slot: Slot,
+        signature: Signature,
+        writable_keys: Vec<&Pubkey>,
+        readonly_keys: Vec<&Pubkey>,
        status: &TransactionStatusMeta,
    ) -> Result<()> {
-        // This write lock prevents interleaving issues with the transactions_status_index_cf by
-        // gating writes to that column
+        // This write lock prevents interleaving issues with the transaction_status_index_cf by gating
+        // writes to that column
        let mut w_active_transaction_status_index =
            self.active_transaction_status_index.write().unwrap();
-        let index =
-            self.make_transaction_status_index(index, &mut w_active_transaction_status_index)?;
-        self.transaction_status_cf.put(index, status)
+        let primary_index = self.get_primary_index(slot, &mut w_active_transaction_status_index)?;
+        self.transaction_status_cf
+            .put((primary_index, signature, slot), status)?;
+        for address in writable_keys {
+            self.address_signatures_cf.put(
+                (primary_index, *address, slot, signature),
+                &AddressSignatureMeta { writeable: true },
+            )?;
+        }
+        for address in readonly_keys {
+            self.address_signatures_cf.put(
+                (primary_index, *address, slot, signature),
+                &AddressSignatureMeta { writeable: false },
+            )?;
+        }
+        Ok(())
    }

    // Returns a transaction status if it was processed in a root, as well as a loop counter for
@@ -1641,10 +1708,105 @@ impl Blockstore {
        &self,
        signature: Signature,
    ) -> Result<Option<(Slot, TransactionStatusMeta)>> {
+        datapoint_info!(
+            "blockstore-rpc-api",
+            ("method", "get_transaction_status".to_string(), String)
+        );
        self.get_transaction_status_with_counter(signature)
            .map(|(status, _)| status)
    }

+    /// Returns a complete transaction if it was processed in a root
+    pub fn get_confirmed_transaction(
+        &self,
+        signature: Signature,
+        encoding: Option<TransactionEncoding>,
+    ) -> Result<Option<ConfirmedTransaction>> {
+        datapoint_info!(
+            "blockstore-rpc-api",
+            ("method", "get_confirmed_transaction".to_string(), String)
+        );
+        if let Some((slot, status)) = self.get_transaction_status(signature.clone())? {
+            let transaction = self.find_transaction_in_slot(slot, signature)?
+                .expect("Transaction to exist in slot entries if it exists in statuses and hasn't been cleaned up");
+            let encoding = encoding.unwrap_or(TransactionEncoding::Json);
+            let encoded_transaction = EncodedTransaction::encode(transaction, encoding);
+            Ok(Some(ConfirmedTransaction {
+                slot,
+                transaction: TransactionWithStatusMeta {
+                    transaction: encoded_transaction,
+                    meta: Some(status.into()),
+                },
+            }))
+        } else {
+            Ok(None)
+        }
+    }
+
+    fn find_transaction_in_slot(
+        &self,
+        slot: Slot,
+        signature: Signature,
+    ) -> Result<Option<Transaction>> {
+        let slot_entries = self.get_slot_entries(slot, 0, None)?;
+        Ok(slot_entries
+            .iter()
+            .cloned()
+            .flat_map(|entry| entry.transactions)
+            .find(|transaction| transaction.signatures[0] == signature))
+    }
+
+    // Returns all cached signatures for an address, ordered by slot that the transaction was
+    // processed in
+    fn find_address_signatures(
+        &self,
+        pubkey: Pubkey,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> Result<Vec<(Slot, Signature)>> {
+        let mut signatures: Vec<(Slot, Signature)> = vec![];
+        for transaction_status_cf_primary_index in 0..=1 {
+            let index_iterator = self.address_signatures_cf.iter(IteratorMode::From(
+                (
+                    transaction_status_cf_primary_index,
+                    pubkey,
+                    start_slot,
+                    Signature::default(),
+                ),
+                IteratorDirection::Forward,
+            ))?;
+            for ((i, address, slot, signature), _) in index_iterator {
+                if i != transaction_status_cf_primary_index || slot > end_slot || address != pubkey
+                {
+                    break;
+                }
+                if self.is_root(slot) {
+                    signatures.push((slot, signature));
+                }
+            }
+        }
+        signatures.sort_by(|a, b| a.0.partial_cmp(&b.0).unwrap());
+        Ok(signatures)
+    }
+
+    pub fn get_confirmed_signatures_for_address(
+        &self,
+        pubkey: Pubkey,
+        start_slot: Slot,
+        end_slot: Slot,
+    ) -> Result<Vec<Signature>> {
+        datapoint_info!(
+            "blockstore-rpc-api",
+            (
+                "method",
+                "get_confirmed_signatures_for_address".to_string(),
+                String
+            )
+        );
+        self.find_address_signatures(pubkey, start_slot, end_slot)
+            .map(|signatures| signatures.iter().map(|(_, signature)| *signature).collect())
+    }
+
    pub fn read_rewards(&self, index: Slot) -> Result<Option<Rewards>> {
        self.rewards_cf.get(index)
    }
@@ -2771,7 +2933,18 @@ pub mod tests {
                .iter::<cf::TransactionStatus>(IteratorMode::Start)
                .unwrap()
                .next()
-                .map(|((_, _, slot), _)| slot >= min_slot)
+                .map(|((primary_index, _, slot), _)| {
+                    slot >= min_slot || (primary_index == 2 && slot == 0)
+                })
+                .unwrap_or(true)
+            & blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::Start)
+                .unwrap()
+                .next()
+                .map(|((primary_index, _, slot, _), _)| {
+                    slot >= min_slot || (primary_index == 2 && slot == 0)
+                })
                .unwrap_or(true)
            & blockstore
                .db
@@ -4893,11 +5066,11 @@ pub mod tests {

        assert_eq!(
            blockstore.get_timestamp_slots(2, timestamp_interval, timestamp_sample_range),
-            vec![1, 2]
+            vec![0, 1, 2]
        );
        assert_eq!(
            blockstore.get_timestamp_slots(3, timestamp_interval, timestamp_sample_range),
-            vec![1, 2, 3]
+            vec![0, 1, 2, 3]
        );

        drop(blockstore);
@@ -4933,11 +5106,15 @@ pub mod tests {

        assert_eq!(
            blockstore.get_timestamp_slots(2, timestamp_interval, timestamp_sample_range),
-            vec![1, 2]
+            vec![0, 1, 2]
+        );
+        assert_eq!(
+            blockstore.get_timestamp_slots(6, timestamp_interval, timestamp_sample_range),
+            vec![0, 1, 2, 3, 4]
        );
        assert_eq!(
            blockstore.get_timestamp_slots(8, timestamp_interval, timestamp_sample_range),
-            vec![1, 2, 3, 4, 5]
+            vec![0, 1, 2, 3, 4]
        );
        assert_eq!(
            blockstore.get_timestamp_slots(13, timestamp_interval, timestamp_sample_range),
@@ -5344,14 +5521,18 @@ pub mod tests {
            let transaction_status_index_cf = blockstore.db.column::<cf::TransactionStatusIndex>();
            let slot0 = 10;

-            assert!(transaction_status_index_cf.get(0).unwrap().is_none());
-            assert!(transaction_status_index_cf.get(1).unwrap().is_none());
+            // Primary index column is initialized on Blockstore::open
+            assert!(transaction_status_index_cf.get(0).unwrap().is_some());
+            assert!(transaction_status_index_cf.get(1).unwrap().is_some());

            for _ in 0..5 {
                let random_bytes: Vec<u8> = (0..64).map(|_| rand::random::<u8>()).collect();
                blockstore
                    .write_transaction_status(
-                        (Signature::new(&random_bytes), slot0),
+                        slot0,
+                        Signature::new(&random_bytes),
+                        vec![&Pubkey::new(&random_bytes[0..32])],
+                        vec![&Pubkey::new(&random_bytes[32..])],
                        &TransactionStatusMeta::default(),
                    )
                    .unwrap();
@@ -5373,7 +5554,7 @@ pub mod tests {
            let first_status_entry = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap()
@@ -5382,6 +5563,18 @@ pub mod tests {
                .0;
            assert_eq!(first_status_entry.0, 0);
            assert_eq!(first_status_entry.2, slot0);
+            let first_address_entry = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap()
+                .next()
+                .unwrap()
+                .0;
+            assert_eq!(first_address_entry.0, 0);
+            assert_eq!(first_address_entry.2, slot0);

            blockstore.run_purge(0, 8).unwrap();
            // First successful prune freezes index 0
@@ -5402,7 +5595,10 @@ pub mod tests {
                let random_bytes: Vec<u8> = (0..64).map(|_| rand::random::<u8>()).collect();
                blockstore
                    .write_transaction_status(
-                        (Signature::new(&random_bytes), slot1),
+                        slot1,
+                        Signature::new(&random_bytes),
+                        vec![&Pubkey::new(&random_bytes[0..32])],
+                        vec![&Pubkey::new(&random_bytes[32..])],
                        &TransactionStatusMeta::default(),
                    )
                    .unwrap();
@@ -5424,11 +5620,11 @@ pub mod tests {
                }
            );

-            // Index 0 statuses still exist
+            // Index 0 statuses and address records still exist
            let first_status_entry = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap()
@@ -5437,11 +5633,23 @@ pub mod tests {
                .0;
            assert_eq!(first_status_entry.0, 0);
            assert_eq!(first_status_entry.2, 10);
-            // New statuses are stored in index 1
+            let first_address_entry = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap()
+                .next()
+                .unwrap()
+                .0;
+            assert_eq!(first_address_entry.0, 0);
+            assert_eq!(first_address_entry.2, slot0);
+            // New statuses and address records are stored in index 1
            let index1_first_status_entry = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (1, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(1),
                    IteratorDirection::Forward,
                ))
                .unwrap()
@@ -5450,6 +5658,18 @@ pub mod tests {
                .0;
            assert_eq!(index1_first_status_entry.0, 1);
            assert_eq!(index1_first_status_entry.2, slot1);
+            let index1_first_address_entry = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(1),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap()
+                .next()
+                .unwrap()
+                .0;
+            assert_eq!(index1_first_address_entry.0, 1);
+            assert_eq!(index1_first_address_entry.2, slot1);

            blockstore.run_purge(0, 18).unwrap();
            // Successful prune toggles TransactionStatusIndex
@@ -5468,11 +5688,11 @@ pub mod tests {
                }
            );

-            // Index 0 has been pruned, so first status entry is now index 1
+            // Index 0 has been pruned, so first status and address entries are now index 1
            let first_status_entry = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap()
@@ -5481,6 +5701,18 @@ pub mod tests {
                .0;
            assert_eq!(first_status_entry.0, 1);
            assert_eq!(first_status_entry.2, slot1);
+            let first_address_entry = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap()
+                .next()
+                .unwrap()
+                .0;
+            assert_eq!(first_address_entry.0, 1);
+            assert_eq!(first_address_entry.2, slot1);
        }
        Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
    }
@@ -5496,7 +5728,10 @@ pub mod tests {
                let random_bytes: Vec<u8> = (0..64).map(|_| rand::random::<u8>()).collect();
                blockstore
                    .write_transaction_status(
-                        (Signature::new(&random_bytes), slot),
+                        slot,
+                        Signature::new(&random_bytes),
+                        vec![&Pubkey::new(&random_bytes[0..32])],
+                        vec![&Pubkey::new(&random_bytes[32..])],
                        &TransactionStatusMeta::default(),
                    )
                    .unwrap();
@@ -5506,7 +5741,7 @@ pub mod tests {
            let mut status_entry_iterator = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap();
@@ -5515,6 +5750,18 @@ pub mod tests {
                assert_eq!(entry.0, 0);
                assert_eq!(entry.2, slot);
            }
+            let mut address_transactions_iterator = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    (0, Pubkey::default(), 0, Signature::default()),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap();
+            for _ in 0..10 {
+                let entry = address_transactions_iterator.next().unwrap().0;
+                assert_eq!(entry.0, 0);
+                assert_eq!(entry.2, slot);
+            }
            assert_eq!(
                transaction_status_index_cf.get(0).unwrap().unwrap(),
                TransactionStatusIndexMeta {
@@ -5528,7 +5775,7 @@ pub mod tests {
            let mut status_entry_iterator = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap();
@@ -5537,6 +5784,18 @@ pub mod tests {
                assert_eq!(entry.0, 0);
                assert_eq!(entry.2, slot);
            }
+            let mut address_transactions_iterator = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap();
+            for _ in 0..10 {
+                let entry = address_transactions_iterator.next().unwrap().0;
+                assert_eq!(entry.0, 0);
+                assert_eq!(entry.2, slot);
+            }
            assert_eq!(
                transaction_status_index_cf.get(0).unwrap().unwrap(),
                TransactionStatusIndexMeta {
@@ -5550,7 +5809,7 @@ pub mod tests {
            let mut status_entry_iterator = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap();
@@ -5559,6 +5818,18 @@ pub mod tests {
                assert_eq!(entry.0, 0);
                assert_eq!(entry.2, slot);
            }
+            let mut address_transactions_iterator = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap();
+            for _ in 0..10 {
+                let entry = address_transactions_iterator.next().unwrap().0;
+                assert_eq!(entry.0, 0);
+                assert_eq!(entry.2, slot);
+            }
            assert_eq!(
                transaction_status_index_cf.get(0).unwrap().unwrap(),
                TransactionStatusIndexMeta {
@@ -5571,7 +5842,7 @@ pub mod tests {
            let mut status_entry_iterator = blockstore
                .db
                .iter::<cf::TransactionStatus>(IteratorMode::From(
-                    (0, Signature::default(), 0),
+                    cf::TransactionStatus::as_index(0),
                    IteratorDirection::Forward,
                ))
                .unwrap();
@@ -5579,6 +5850,17 @@ pub mod tests {
            assert_eq!(padding_entry.0, 2);
            assert_eq!(padding_entry.2, 0);
            assert!(status_entry_iterator.next().is_none());
+            let mut address_transactions_iterator = blockstore
+                .db
+                .iter::<cf::AddressSignatures>(IteratorMode::From(
+                    cf::AddressSignatures::as_index(0),
+                    IteratorDirection::Forward,
+                ))
+                .unwrap();
+            let padding_entry = address_transactions_iterator.next().unwrap().0;
+            assert_eq!(padding_entry.0, 2);
+            assert_eq!(padding_entry.2, 0);
+            assert!(address_transactions_iterator.next().is_none());
            assert_eq!(
                transaction_status_index_cf.get(0).unwrap().unwrap(),
                TransactionStatusIndexMeta {
@@ -5602,6 +5884,7 @@ pub mod tests {
        let blockstore_path = get_tmp_ledger_path!();
        {
            let blockstore = Blockstore::open(&blockstore_path).unwrap();
+            // TransactionStatus column opens initialized with one entry at index 2
            let transaction_status_cf = blockstore.db.column::<cf::TransactionStatus>();

            let pre_balances_vec = vec![1, 2, 3];
@@ -5692,7 +5975,7 @@ pub mod tests {
                .get_transaction_status_with_counter(signature5)
                .unwrap();
            assert_eq!(status, None);
-            assert_eq!(counter, 5);
+            assert_eq!(counter, 6);

            // Signature does not exist, smaller than existing entries
            let (status, counter) = blockstore
@@ -5713,7 +5996,227 @@ pub mod tests {
                .get_transaction_status_with_counter(signature6)
                .unwrap();
            assert_eq!(status, None);
-            assert_eq!(counter, 1);
+            assert_eq!(counter, 2);
+        }
+        Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
+    }
+
+    #[test]
+    fn test_get_confirmed_transaction() {
+        let slot = 2;
+        let entries = make_slot_entries_with_transactions(5);
+        let shreds = entries_to_test_shreds(entries.clone(), slot, slot - 1, true, 0);
+        let ledger_path = get_tmp_ledger_path!();
+        let blockstore = Blockstore::open(&ledger_path).unwrap();
+        blockstore.insert_shreds(shreds, None, false).unwrap();
+        blockstore.set_roots(&[slot - 1, slot]).unwrap();
+
+        let expected_transactions: Vec<(Transaction, Option<RpcTransactionStatusMeta>)> = entries
+            .iter()
+            .cloned()
+            .filter(|entry| !entry.is_tick())
+            .flat_map(|entry| entry.transactions)
+            .map(|transaction| {
+                let mut pre_balances: Vec<u64> = vec![];
+                let mut post_balances: Vec<u64> = vec![];
+                for (i, _account_key) in transaction.message.account_keys.iter().enumerate() {
+                    pre_balances.push(i as u64 * 10);
+                    post_balances.push(i as u64 * 11);
+                }
+                let signature = transaction.signatures[0];
+                blockstore
+                    .transaction_status_cf
+                    .put(
+                        (0, signature, slot),
+                        &TransactionStatusMeta {
+                            status: Ok(()),
+                            fee: 42,
+                            pre_balances: pre_balances.clone(),
+                            post_balances: post_balances.clone(),
+                        },
+                    )
+                    .unwrap();
+                (
+                    transaction,
+                    Some(
+                        TransactionStatusMeta {
+                            status: Ok(()),
+                            fee: 42,
+                            pre_balances,
+                            post_balances,
+                        }
+                        .into(),
+                    ),
+                )
+            })
+            .collect();
+
+        for (transaction, status) in expected_transactions.clone() {
+            let signature = transaction.signatures[0];
+            let encoded_transaction =
+                EncodedTransaction::encode(transaction, TransactionEncoding::Json);
+            let expected_transaction = ConfirmedTransaction {
+                slot,
+                transaction: TransactionWithStatusMeta {
+                    transaction: encoded_transaction,
+                    meta: status,
+                },
+            };
+            assert_eq!(
+                blockstore
+                    .get_confirmed_transaction(signature, None)
+                    .unwrap(),
+                Some(expected_transaction)
+            );
+        }
+
+        blockstore.run_purge(0, 2).unwrap();
+        *blockstore.lowest_cleanup_slot.write().unwrap() = slot;
+        for (transaction, _) in expected_transactions {
+            let signature = transaction.signatures[0];
+            assert_eq!(
+                blockstore
+                    .get_confirmed_transaction(signature, None)
+                    .unwrap(),
+                None,
+            );
+        }
+    }
+
+    #[test]
+    fn test_get_confirmed_signatures_for_address() {
+        let blockstore_path = get_tmp_ledger_path!();
+        {
+            let blockstore = Blockstore::open(&blockstore_path).unwrap();
+
+            let address0 = Pubkey::new_rand();
+            let address1 = Pubkey::new_rand();
+
+            let slot0 = 10;
+            for x in 1..5 {
+                let signature = Signature::new(&[x; 64]);
+                blockstore
+                    .write_transaction_status(
+                        slot0,
+                        signature,
+                        vec![&address0],
+                        vec![&address1],
+                        &TransactionStatusMeta::default(),
+                    )
+                    .unwrap();
+            }
+            // Purge to freeze index 0
+            blockstore.run_purge(0, 1).unwrap();
+            let slot1 = 20;
+            for x in 5..9 {
+                let signature = Signature::new(&[x; 64]);
+                blockstore
+                    .write_transaction_status(
+                        slot1,
+                        signature,
+                        vec![&address0],
+                        vec![&address1],
+                        &TransactionStatusMeta::default(),
+                    )
+                    .unwrap();
+            }
+            blockstore.set_roots(&[slot0, slot1]).unwrap();
+
+            let all0 = blockstore
+                .get_confirmed_signatures_for_address(address0, 0, 50)
+                .unwrap();
+            assert_eq!(all0.len(), 8);
+            for x in 1..9 {
+                let expected_signature = Signature::new(&[x; 64]);
+                assert_eq!(all0[x as usize - 1], expected_signature);
+            }
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 20, 50)
+                    .unwrap()
+                    .len(),
+                4
+            );
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 0, 10)
+                    .unwrap()
+                    .len(),
+                4
+            );
+            assert!(blockstore
+                .get_confirmed_signatures_for_address(address0, 1, 5)
+                .unwrap()
+                .is_empty());
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 1, 15)
+                    .unwrap()
+                    .len(),
+                4
+            );
+
+            let all1 = blockstore
+                .get_confirmed_signatures_for_address(address1, 0, 50)
+                .unwrap();
+            assert_eq!(all1.len(), 8);
+            for x in 1..9 {
+                let expected_signature = Signature::new(&[x; 64]);
+                assert_eq!(all1[x as usize - 1], expected_signature);
+            }
+
+            // Purge index 0
+            blockstore.run_purge(0, 10).unwrap();
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 0, 50)
+                    .unwrap()
+                    .len(),
+                4
+            );
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 20, 50)
+                    .unwrap()
+                    .len(),
+                4
+            );
+            assert!(blockstore
+                .get_confirmed_signatures_for_address(address0, 0, 10)
+                .unwrap()
+                .is_empty());
+            assert!(blockstore
+                .get_confirmed_signatures_for_address(address0, 1, 5)
+                .unwrap()
+                .is_empty());
+            assert_eq!(
+                blockstore
+                    .get_confirmed_signatures_for_address(address0, 1, 25)
+                    .unwrap()
+                    .len(),
+                4
+            );
+
+            // Test sort, regardless of entry order or signature value
+            for slot in (21..25).rev() {
+                let random_bytes: Vec<u8> = (0..64).map(|_| rand::random::<u8>()).collect();
+                let signature = Signature::new(&random_bytes);
+                blockstore
+                    .write_transaction_status(
+                        slot,
+                        signature,
+                        vec![&address0],
+                        vec![&address1],
+                        &TransactionStatusMeta::default(),
+                    )
+                    .unwrap();
+            }
+            blockstore.set_roots(&[21, 22, 23, 24]).unwrap();
+            let mut past_slot = 0;
+            for (slot, _) in blockstore.find_address_signatures(address0, 1, 25).unwrap() {
+                assert!(slot >= past_slot);
+                past_slot = slot;
+            }
        }
        Blockstore::destroy(&blockstore_path).expect("Expected successful database destruction");
    }
--- a/ledger/src/blockstore_db.rs
+++ b/ledger/src/blockstore_db.rs
@@ -1,7 +1,6 @@
 use crate::blockstore_meta;
 use bincode::{deserialize, serialize};
 use byteorder::{BigEndian, ByteOrder};
-use fs_extra;
 use log::*;
 pub use rocksdb::Direction as IteratorDirection;
 use rocksdb::{
@@ -10,7 +9,7 @@ use rocksdb::{
 };
 use serde::de::DeserializeOwned;
 use serde::Serialize;
-use solana_sdk::{clock::Slot, signature::Signature};
+use solana_sdk::{clock::Slot, pubkey::Pubkey, signature::Signature};
 use solana_transaction_status::{Rewards, TransactionStatusMeta};
 use std::{collections::HashMap, fs, marker::PhantomData, path::Path, sync::Arc};
 use thiserror::Error;
@@ -38,7 +37,9 @@ const DATA_SHRED_CF: &str = "data_shred";
 const CODE_SHRED_CF: &str = "code_shred";
 /// Column family for Transaction Status
 const TRANSACTION_STATUS_CF: &str = "transaction_status";
-/// Column family for Transaction Status
+/// Column family for Address Signatures
+const ADDRESS_SIGNATURES_CF: &str = "address_signatures";
+/// Column family for Transaction Status Index
 const TRANSACTION_STATUS_INDEX_CF: &str = "transaction_status_index";
 /// Column family for Rewards
 const REWARDS_CF: &str = "rewards";
@@ -110,6 +111,10 @@ pub mod columns {
    /// The transaction status column
    pub struct TransactionStatus;

+    #[derive(Debug)]
+    /// The address signatures column
+    pub struct AddressSignatures;
+
    #[derive(Debug)]
    /// The transaction status index column
    pub struct TransactionStatusIndex;
@@ -125,8 +130,8 @@ struct Rocks(rocksdb::DB);
 impl Rocks {
    fn open(path: &Path) -> Result<Rocks> {
        use columns::{
-            DeadSlots, DuplicateSlots, ErasureMeta, Index, Orphans, Rewards, Root, ShredCode,
-            ShredData, SlotMeta, TransactionStatus, TransactionStatusIndex,
+            AddressSignatures, DeadSlots, DuplicateSlots, ErasureMeta, Index, Orphans, Rewards,
+            Root, ShredCode, ShredData, SlotMeta, TransactionStatus, TransactionStatusIndex,
        };

        fs::create_dir_all(&path)?;
@@ -151,6 +156,8 @@ impl Rocks {
            ColumnFamilyDescriptor::new(ShredCode::NAME, get_cf_options());
        let transaction_status_cf_descriptor =
            ColumnFamilyDescriptor::new(TransactionStatus::NAME, get_cf_options());
+        let address_signatures_cf_descriptor =
+            ColumnFamilyDescriptor::new(AddressSignatures::NAME, get_cf_options());
        let transaction_status_index_cf_descriptor =
            ColumnFamilyDescriptor::new(TransactionStatusIndex::NAME, get_cf_options());
        let rewards_cf_descriptor = ColumnFamilyDescriptor::new(Rewards::NAME, get_cf_options());
@@ -166,6 +173,7 @@ impl Rocks {
            shred_data_cf_descriptor,
            shred_code_cf_descriptor,
            transaction_status_cf_descriptor,
+            address_signatures_cf_descriptor,
            transaction_status_index_cf_descriptor,
            rewards_cf_descriptor,
        ];
@@ -178,8 +186,8 @@ impl Rocks {

    fn columns(&self) -> Vec<&'static str> {
        use columns::{
-            DeadSlots, DuplicateSlots, ErasureMeta, Index, Orphans, Rewards, Root, ShredCode,
-            ShredData, SlotMeta, TransactionStatus, TransactionStatusIndex,
+            AddressSignatures, DeadSlots, DuplicateSlots, ErasureMeta, Index, Orphans, Rewards,
+            Root, ShredCode, ShredData, SlotMeta, TransactionStatus, TransactionStatusIndex,
        };

        vec![
@@ -193,6 +201,7 @@ impl Rocks {
            ShredData::NAME,
            ShredCode::NAME,
            TransactionStatus::NAME,
+            AddressSignatures::NAME,
            TransactionStatusIndex::NAME,
            Rewards::NAME,
        ]
@@ -237,12 +246,12 @@ impl Rocks {
            IteratorMode::Start => RocksIteratorMode::Start,
            IteratorMode::End => RocksIteratorMode::End,
        };
-        let iter = self.0.iterator_cf(cf, iterator_mode)?;
+        let iter = self.0.iterator_cf(cf, iterator_mode);
        Ok(iter)
    }

    fn raw_iterator_cf(&self, cf: &ColumnFamily) -> Result<DBRawIterator> {
-        let raw_iter = self.0.raw_iterator_cf(cf)?;
+        let raw_iter = self.0.raw_iterator_cf(cf);

        Ok(raw_iter)
    }
@@ -282,6 +291,10 @@ impl TypedColumn for columns::TransactionStatus {
    type Type = TransactionStatusMeta;
 }

+impl TypedColumn for columns::AddressSignatures {
+    type Type = blockstore_meta::AddressSignatureMeta;
+}
+
 impl TypedColumn for columns::TransactionStatusIndex {
    type Type = blockstore_meta::TransactionStatusIndexMeta;
 }
@@ -314,7 +327,7 @@ impl Column for columns::TransactionStatus {
    type Index = (u64, Signature, Slot);

    fn key((index, signature, slot): (u64, Signature, Slot)) -> Vec<u8> {
-        let mut key = vec![0; 8 + 8 + 64];
+        let mut key = vec![0; 8 + 64 + 8]; // size_of u64 + size_of Signature + size_of Slot
        BigEndian::write_u64(&mut key[0..8], index);
        key[8..72].clone_from_slice(&signature.as_ref()[0..64]);
        BigEndian::write_u64(&mut key[72..80], slot);
@@ -341,6 +354,39 @@ impl ColumnName for columns::TransactionStatus {
    const NAME: &'static str = TRANSACTION_STATUS_CF;
 }

+impl Column for columns::AddressSignatures {
+    type Index = (u64, Pubkey, Slot, Signature);
+
+    fn key((index, pubkey, slot, signature): (u64, Pubkey, Slot, Signature)) -> Vec<u8> {
+        let mut key = vec![0; 8 + 32 + 8 + 64]; // size_of u64 + size_of Pubkey + size_of Slot + size_of Signature
+        BigEndian::write_u64(&mut key[0..8], index);
+        key[8..40].clone_from_slice(&pubkey.as_ref()[0..32]);
+        BigEndian::write_u64(&mut key[40..48], slot);
+        key[48..112].clone_from_slice(&signature.as_ref()[0..64]);
+        key
+    }
+
+    fn index(key: &[u8]) -> (u64, Pubkey, Slot, Signature) {
+        let index = BigEndian::read_u64(&key[0..8]);
+        let pubkey = Pubkey::new(&key[8..40]);
+        let slot = BigEndian::read_u64(&key[40..48]);
+        let signature = Signature::new(&key[48..112]);
+        (index, pubkey, slot, signature)
+    }
+
+    fn primary_index(index: Self::Index) -> u64 {
+        index.0
+    }
+
+    fn as_index(index: u64) -> Self::Index {
+        (index, Pubkey::default(), 0, Signature::default())
+    }
+}
+
+impl ColumnName for columns::AddressSignatures {
+    const NAME: &'static str = ADDRESS_SIGNATURES_CF;
+}
+
 impl Column for columns::TransactionStatusIndex {
    type Index = u64;

@@ -736,13 +782,12 @@ where
 impl<'a> WriteBatch<'a> {
    pub fn put_bytes<C: Column + ColumnName>(&mut self, key: C::Index, bytes: &[u8]) -> Result<()> {
        self.write_batch
-            .put_cf(self.get_cf::<C>(), &C::key(key), bytes)?;
+            .put_cf(self.get_cf::<C>(), &C::key(key), bytes);
        Ok(())
    }

    pub fn delete<C: Column + ColumnName>(&mut self, key: C::Index) -> Result<()> {
-        self.write_batch
-            .delete_cf(self.get_cf::<C>(), &C::key(key))?;
+        self.write_batch.delete_cf(self.get_cf::<C>(), &C::key(key));
        Ok(())
    }

@@ -753,7 +798,7 @@ impl<'a> WriteBatch<'a> {
    ) -> Result<()> {
        let serialized_value = serialize(&value)?;
        self.write_batch
-            .put_cf(self.get_cf::<C>(), &C::key(key), &serialized_value)?;
+            .put_cf(self.get_cf::<C>(), &C::key(key), &serialized_value);
        Ok(())
    }

@@ -769,7 +814,7 @@ impl<'a> WriteBatch<'a> {
        to: C::Index,
    ) -> Result<()> {
        self.write_batch
-            .delete_range_cf(cf, C::key(from), C::key(to))?;
+            .delete_range_cf(cf, C::key(from), C::key(to));
        Ok(())
    }
 }
@@ -797,5 +842,9 @@ fn get_db_options() -> Options {
    options.create_missing_column_families(true);
    // A good value for this is the number of cores on the machine
    options.increase_parallelism(num_cpus::get() as i32);
+
+    // Set max total wal size to 4G.
+    options.set_max_total_wal_size(4 * 1024 * 1024 * 1024);
+
    options
 }
--- a/ledger/src/blockstore_meta.rs
+++ b/ledger/src/blockstore_meta.rs
@@ -228,6 +228,11 @@ pub struct TransactionStatusIndexMeta {
    pub frozen: bool,
 }

+#[derive(Debug, Default, Deserialize, Serialize, PartialEq)]
+pub struct AddressSignatureMeta {
+    pub writeable: bool,
+}
+
 #[cfg(test)]
 mod test {
    use super::*;
--- a/ledger/src/blockstore_processor.rs
+++ b/ledger/src/blockstore_processor.rs
@@ -20,8 +20,8 @@ use solana_runtime::{
    transaction_batch::TransactionBatch,
 };
 use solana_sdk::{
-    clock::{Slot, MAX_RECENT_BLOCKHASHES},
-    genesis_config::GenesisConfig,
+    clock::{Epoch, Slot, MAX_PROCESSING_AGE, MAX_RECENT_BLOCKHASHES},
+    genesis_config::{GenesisConfig, OperatingMode},
    hash::Hash,
    pubkey::Pubkey,
    signature::Keypair,
@@ -57,11 +57,22 @@ fn first_err(results: &[Result<()>]) -> Result<()> {
    Ok(())
 }

+const MAX_AGE_CORRECTION_EPOCH: Epoch = 14;
+
 fn execute_batch(
    batch: &TransactionBatch,
    bank: &Arc<Bank>,
    transaction_status_sender: Option<TransactionStatusSender>,
+    genesis_config: Option<&GenesisConfig>,
 ) -> Result<()> {
+    // See https://github.com/solana-labs/solana/pull/9423
+    let max_age_reduced = if let Some(genesis_config) = genesis_config {
+        genesis_config.operating_mode == OperatingMode::Stable
+            && bank.epoch() >= MAX_AGE_CORRECTION_EPOCH
+    } else {
+        false
+    };
+
    let (
        TransactionResults {
            fee_collection_results,
@@ -70,7 +81,11 @@ fn execute_batch(
        balances,
    ) = batch.bank().load_execute_and_commit_transactions(
        batch,
-        MAX_RECENT_BLOCKHASHES,
+        if max_age_reduced {
+            MAX_PROCESSING_AGE
+        } else {
+            MAX_RECENT_BLOCKHASHES
+        },
        transaction_status_sender.is_some(),
    );

@@ -112,6 +127,7 @@ fn execute_batches(
    batches: &[TransactionBatch],
    entry_callback: Option<&ProcessCallback>,
    transaction_status_sender: Option<TransactionStatusSender>,
+    genesis_config: Option<&GenesisConfig>,
 ) -> Result<()> {
    inc_new_counter_debug!("bank-par_execute_entries-count", batches.len());
    let results: Vec<Result<()>> = PAR_THREAD_POOL.with(|thread_pool| {
@@ -119,7 +135,7 @@ fn execute_batches(
            batches
                .into_par_iter()
                .map_with(transaction_status_sender, |sender, batch| {
-                    let result = execute_batch(batch, bank, sender.clone());
+                    let result = execute_batch(batch, bank, sender.clone(), genesis_config);
                    if let Some(entry_callback) = entry_callback {
                        entry_callback(bank);
                    }
@@ -143,7 +159,14 @@ pub fn process_entries(
    randomize: bool,
    transaction_status_sender: Option<TransactionStatusSender>,
 ) -> Result<()> {
-    process_entries_with_callback(bank, entries, randomize, None, transaction_status_sender)
+    process_entries_with_callback(
+        bank,
+        entries,
+        randomize,
+        None,
+        transaction_status_sender,
+        Some(&GenesisConfig::default()),
+    )
 }

 fn process_entries_with_callback(
@@ -152,6 +175,7 @@ fn process_entries_with_callback(
    randomize: bool,
    entry_callback: Option<&ProcessCallback>,
    transaction_status_sender: Option<TransactionStatusSender>,
+    genesis_config: Option<&GenesisConfig>,
 ) -> Result<()> {
    // accumulator for entries that can be processed in parallel
    let mut batches = vec![];
@@ -168,6 +192,7 @@ fn process_entries_with_callback(
                    &batches,
                    entry_callback,
                    transaction_status_sender.clone(),
+                    genesis_config,
                )?;
                batches.clear();
                for hash in &tick_hashes {
@@ -223,12 +248,19 @@ fn process_entries_with_callback(
                    &batches,
                    entry_callback,
                    transaction_status_sender.clone(),
+                    genesis_config,
                )?;
                batches.clear();
            }
        }
    }
-    execute_batches(bank, &batches, entry_callback, transaction_status_sender)?;
+    execute_batches(
+        bank,
+        &batches,
+        entry_callback,
+        transaction_status_sender,
+        genesis_config,
+    )?;
    for hash in tick_hashes {
        bank.register_tick(&hash);
    }
@@ -363,6 +395,7 @@ pub fn process_blockstore_from_root(
                &mut rooted_path,
                opts,
                recyclers,
+                genesis_config,
            )?;
            let (banks, bank_forks_info): (Vec<_>, Vec<_>) =
                fork_info.into_iter().map(|(_, v)| v).unzip();
@@ -456,6 +489,7 @@ fn confirm_full_slot(
    last_entry_hash: &Hash,
    opts: &ProcessOptions,
    recyclers: &VerifyRecyclers,
+    genesis_config: Option<&GenesisConfig>,
 ) -> result::Result<(), BlockstoreProcessorError> {
    let mut timing = ConfirmationTiming::default();
    let mut progress = ConfirmationProgress::new(*last_entry_hash);
@@ -469,6 +503,7 @@ fn confirm_full_slot(
        None,
        opts.entry_callback.as_ref(),
        recyclers,
+        genesis_config,
    )?;

    if !bank.is_complete() {
@@ -527,6 +562,7 @@ pub fn confirm_slot(
    transaction_status_sender: Option<TransactionStatusSender>,
    entry_callback: Option<&ProcessCallback>,
    recyclers: &VerifyRecyclers,
+    genesis_config: Option<&GenesisConfig>,
 ) -> result::Result<(), BlockstoreProcessorError> {
    let slot = bank.slot();

@@ -592,6 +628,7 @@ pub fn confirm_slot(
        true,
        entry_callback,
        transaction_status_sender,
+        genesis_config,
    )
    .map_err(BlockstoreProcessorError::from);
    replay_elapsed.stop();
@@ -625,8 +662,15 @@ fn process_bank_0(
    recyclers: &VerifyRecyclers,
 ) -> result::Result<(), BlockstoreProcessorError> {
    assert_eq!(bank0.slot(), 0);
-    confirm_full_slot(blockstore, bank0, &bank0.last_blockhash(), opts, recyclers)
-        .expect("processing for bank 0 must succceed");
+    confirm_full_slot(
+        blockstore,
+        bank0,
+        &bank0.last_blockhash(),
+        opts,
+        recyclers,
+        None,
+    )
+    .expect("processing for bank 0 must succceed");
    bank0.freeze();
    Ok(())
 }
@@ -701,6 +745,7 @@ fn process_pending_slots(
    rooted_path: &mut Vec<u64>,
    opts: &ProcessOptions,
    recyclers: &VerifyRecyclers,
+    genesis_config: &GenesisConfig,
 ) -> result::Result<HashMap<u64, (Arc<Bank>, BankForksInfo)>, BlockstoreProcessorError> {
    let mut fork_info = HashMap::new();
    let mut last_status_report = Instant::now();
@@ -730,7 +775,16 @@ fn process_pending_slots(
        let allocated = thread_mem_usage::Allocatedp::default();
        let initial_allocation = allocated.get();

-        if process_single_slot(blockstore, &bank, &last_entry_hash, opts, recyclers).is_err() {
+        if process_single_slot(
+            blockstore,
+            &bank,
+            &last_entry_hash,
+            opts,
+            recyclers,
+            genesis_config,
+        )
+        .is_err()
+        {
            continue;
        }

@@ -778,10 +832,19 @@ fn process_single_slot(
    last_entry_hash: &Hash,
    opts: &ProcessOptions,
    recyclers: &VerifyRecyclers,
+    genesis_config: &GenesisConfig,
 ) -> result::Result<(), BlockstoreProcessorError> {
    // Mark corrupt slots as dead so validators don't replay this slot and
    // see DuplicateSignature errors later in ReplayStage
-    confirm_full_slot(blockstore, bank, last_entry_hash, opts, recyclers).map_err(|err| {
+    confirm_full_slot(
+        blockstore,
+        bank,
+        last_entry_hash,
+        opts,
+        recyclers,
+        Some(genesis_config),
+    )
+    .map_err(|err| {
        let slot = bank.slot();
        blockstore
            .set_dead_slot(slot)
@@ -2444,6 +2507,7 @@ pub mod tests {
            &bank0.last_blockhash(),
            &opts,
            &recyclers,
+            None,
        )
        .unwrap();
        bank1.squash();
@@ -2609,7 +2673,7 @@ pub mod tests {
        let entry = next_entry(&new_blockhash, 1, vec![tx]);
        entries.push(entry);

-        process_entries_with_callback(&bank0, &entries, true, None, None).unwrap();
+        process_entries_with_callback(&bank0, &entries, true, None, None, None).unwrap();
        assert_eq!(bank0.get_balance(&keypair.pubkey()), 1)
    }

--- a/ledger/src/leader_schedule.rs
+++ b/ledger/src/leader_schedule.rs
@@ -1,6 +1,5 @@
 use rand::distributions::{Distribution, WeightedIndex};
-use rand::SeedableRng;
-use rand_chacha::ChaChaRng;
+use rand_chacha::{rand_core::SeedableRng, ChaChaRng};
 use solana_sdk::pubkey::Pubkey;
 use std::ops::Index;
 use std::sync::Arc;
--- a/ledger/src/shred.rs
+++ b/ledger/src/shred.rs
@@ -74,6 +74,11 @@ pub enum ShredError {

    #[error("serialization error")]
    Serialize(#[from] Box<bincode::ErrorKind>),
+
+    #[error(
+        "invalid parent offset; parent_offset {parent_offset} must be larger than slot {slot}"
+    )]
+    InvalidParentOffset { slot: Slot, parent_offset: u16 },
 }

 pub type Result<T> = std::result::Result<T, ShredError>;
@@ -230,6 +235,12 @@ impl Shred {
        } else if common_header.shred_type == ShredType(DATA_SHRED) {
            let data_header: DataShredHeader =
                Self::deserialize_obj(&mut start, SIZE_OF_DATA_SHRED_HEADER, &payload)?;
+            if u64::from(data_header.parent_offset) > common_header.slot {
+                return Err(ShredError::InvalidParentOffset {
+                    slot: common_header.slot,
+                    parent_offset: data_header.parent_offset,
+                });
+            }
            Self {
                common_header,
                data_header,
@@ -764,7 +775,7 @@ impl Shredder {
                return Err(reed_solomon_erasure::Error::TooFewShardsPresent);
            }

-            let session = Session::new(num_data, num_coding).unwrap();
+            let session = Session::new(num_data, num_coding)?;

            let valid_data_len = PACKET_DATA_SIZE - SIZE_OF_DATA_SHRED_IGNORED_TAIL;
            let coding_block_offset = SIZE_OF_CODING_SHRED_HEADER + SIZE_OF_COMMON_SHRED_HEADER;
@@ -1558,4 +1569,19 @@ pub mod tests {
            MAX_DATA_SHREDS_PER_FEC_BLOCK as usize * 2
        );
    }
+
+    #[test]
+    fn test_invalid_parent_offset() {
+        let shred = Shred::new_from_data(10, 0, 1000, Some(&[1, 2, 3]), false, false, 0, 1, 0);
+        let mut packet = Packet::default();
+        shred.copy_to_packet(&mut packet);
+        let shred_res = Shred::new_from_serialized_shred(packet.data.to_vec());
+        assert_matches!(
+            shred_res,
+            Err(ShredError::InvalidParentOffset {
+                slot: 10,
+                parent_offset: 1000
+            })
+        );
+    }
 }
--- a/local-cluster/Cargo.toml
+++ b/local-cluster/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-local-cluster"
 description = "Blockchain, Rebuilt for Scale"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -11,26 +11,29 @@ homepage = "https://solana.com/"
 [dependencies]
 itertools = "0.8.1"
 log = "0.4.8"
-rand = "0.6.5"
-solana-archiver-lib = { path = "../archiver-lib", version = "1.0.14" }
-solana-config-program = { path = "../programs/config", version = "1.0.14" }
-solana-core = { path = "../core", version = "1.0.14" }
-solana-client = { path = "../client", version = "1.0.14" }
-solana-faucet = { path = "../faucet", version = "1.0.14" }
-solana-exchange-program = { path = "../programs/exchange", version = "1.0.14" }
-solana-genesis-programs = { path = "../genesis-programs", version = "1.0.14" }
-solana-ledger = { path = "../ledger", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
-solana-runtime = { path = "../runtime", version = "1.0.14" }
-solana-sdk = { path = "../sdk", version = "1.0.14" }
-solana-stake-program = { path = "../programs/stake", version = "1.0.14" }
-solana-storage-program = { path = "../programs/storage", version = "1.0.14" }
-solana-vest-program = { path = "../programs/vest", version = "1.0.14" }
-solana-vote-program = { path = "../programs/vote", version = "1.0.14" }
+rand = "0.7.0"
+solana-archiver-lib = { path = "../archiver-lib", version = "1.0.22" }
+solana-config-program = { path = "../programs/config", version = "1.0.22" }
+solana-core = { path = "../core", version = "1.0.22" }
+solana-client = { path = "../client", version = "1.0.22" }
+solana-faucet = { path = "../faucet", version = "1.0.22" }
+solana-exchange-program = { path = "../programs/exchange", version = "1.0.22" }
+solana-genesis-programs = { path = "../genesis-programs", version = "1.0.22" }
+solana-ledger = { path = "../ledger", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }
+solana-runtime = { path = "../runtime", version = "1.0.22" }
+solana-sdk = { path = "../sdk", version = "1.0.22" }
+solana-stake-program = { path = "../programs/stake", version = "1.0.22" }
+solana-storage-program = { path = "../programs/storage", version = "1.0.22" }
+solana-vest-program = { path = "../programs/vest", version = "1.0.22" }
+solana-vote-program = { path = "../programs/vote", version = "1.0.22" }
 tempfile = "3.1.0"
-solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.0.14" }
+solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "1.0.22" }

 [dev-dependencies]
 assert_matches = "1.3.0"
 serial_test = "0.3.2"
 serial_test_derive = "0.4.0"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/log-analyzer/Cargo.toml
+++ b/log-analyzer/Cargo.toml
@@ -3,7 +3,7 @@ authors = ["Solana Maintainers <maintainers@solana.com>"]
 edition = "2018"
 name = "solana-log-analyzer"
 description = "The solana cluster network analysis tool"
-version = "1.0.14"
+version = "1.0.22"
 repository = "https://github.com/solana-labs/solana"
 license = "Apache-2.0"
 homepage = "https://solana.com/"
@@ -14,9 +14,12 @@ byte-unit = "3.0.3"
 clap = "2.33.0"
 serde = "1.0.104"
 serde_json = "1.0.46"
-solana-clap-utils = { path = "../clap-utils", version = "1.0.14" }
-solana-logger = { path = "../logger", version = "1.0.14" }
+solana-clap-utils = { path = "../clap-utils", version = "1.0.22" }
+solana-logger = { path = "../logger", version = "1.0.22" }

 [[bin]]
 name = "solana-log-analyzer"
 path = "src/main.rs"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
mergify[bot]	15de250c2c	Rpc: Add getCirculatingSupply endpoint, redux (#9953 ) (#9954 ) automerge	2020-05-09 14:20:58 -07:00
Ryo Onodera	a7b0fcc21e	v1.0: Maintain sysvar balances for consistent market cap. (#9937 ) * Maintain sysvar balances for consistent market cap. * Back-port fun and gating adjustments * Add comment * Adjust test	2020-05-08 09:19:03 -07:00
mergify[bot]	4999fa6263	Support ad-hoc genesis args in run.sh (#9697 ) (#9939 ) automerge	2020-05-08 08:16:36 -07:00
Ryo Onodera	1f54be66c9	v1.0: Include account.owner into account hash (#9920 ) automerge	2020-05-07 13:42:58 -07:00
Michael Vines	2e1c3a8338	Correct method name	2020-05-06 11:28:52 -07:00
Michael Vines	fe934eb7a0	Reduce spammy 'ReceiveUpdates took:' log	2020-05-06 08:48:27 -07:00
mergify[bot]	62a0c2f348	Gossip no longer pushes/pulls from nodes with a different shred version (bp #9868 ) (#9893 ) automerge	2020-05-05 23:47:03 -07:00
mergify[bot]	cfeef3a9eb	Display transaction fee in SOL (#9892 ) (#9897 ) automerge (cherry picked from commit `e078ba1dde`) Co-authored-by: Michael Vines <mvines@gmail.com>	2020-05-05 22:44:01 -07:00
mergify[bot]	52009788ee	Rpc: Filter blockstore data by cluster-confirmed root (#9873 ) (#9880 ) automerge	2020-05-04 22:37:00 -07:00
mergify[bot]	2acf4d874d	Rpc: add getLargestAccounts endpoint (#9869 ) (#9876 ) automerge	2020-05-04 19:12:18 -07:00
mergify[bot]	f951d7d33f	Avoid panic caused by converting non-positive / non-normal floating points values to duration (#9867 ) (#9871 ) automerge	2020-05-04 14:40:58 -07:00
mergify[bot]	20fe24f348	cli: Add clap.rs default for --commitment (bp #9859 ) (#9860 ) automerge	2020-05-02 17:58:31 -07:00
Michael Vines	2e5cc41945	Bump version to 1.0.22	2020-05-02 11:31:15 -07:00
sakridge	bc76b20e6d	Fuzzer test and fixes (#9853 ) (#9857 )	2020-05-02 10:00:51 -07:00
Michael Vines	3f6befe012	Watchtower can now emit a notification on all non-vote transactions (#9848 )	2020-05-01 17:48:18 -07:00
sakridge	ee201cfb84	Put empty accounts in the accounts list on load (#9842 ) 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.	2020-05-01 17:24:06 -07:00
Michael Vines	66ec12e869	Passing -v/--verbose to `solana confirm` now displays the full transaction (#9530 ) (#9843 ) automerge Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>	2020-05-01 13:28:57 -07:00
Michael Vines	addfc99ff4	Add delay to keep RPC traffic down on error	2020-05-01 10:40:08 -07:00
Michael Vines	91f0faa72d	v1.0: incinerator backport (#9837 )	2020-05-01 09:02:43 -07:00
mergify[bot]	2deebe4d73	v1.1 backport custom error rename (bp #9826 ) (#9838 ) automerge	2020-05-01 01:58:15 -07:00
mergify[bot]	5bc57ea004	Nits for sanitize trait (bp #9741 ) (#9809 ) * thiserror, docs, remove general Failure case (#9741) automerge (cherry picked from commit `a0514eb2ae`) # Conflicts: # core/src/crds_value.rs # core/src/epoch_slots.rs # sdk/src/sanitize.rs * rebase Co-authored-by: anatoly yakovenko <anatoly@solana.com> Co-authored-by: Michael Vines <mvines@gmail.com>	2020-04-30 14:35:18 -07:00
mergify[bot]	c63bd05458	Add commitment Root variant, and add fleshed out --commitment arg to Cli (#9806 ) (#9812 ) automerge	2020-04-30 12:49:36 -07:00
mergify[bot]	b4933f4c74	Upgrade to Rust 1.43.0 (bp #9754 ) (#9807 ) * Upgrade to Rust 1.43.0 (#9754) (cherry picked from commit `230df0ec0c`) # Conflicts: # core/src/validator.rs # runtime/src/accounts_db.rs * Update validator.rs * Update accounts_db.rs Co-authored-by: Michael Vines <mvines@gmail.com>	2020-04-30 08:50:03 -07:00
mergify[bot]	e7748c603b	Rpc Client: Prevent error out on get_num_blocks_since_signature_confirmation (#9792 ) (#9799 ) automerge	2020-04-29 16:50:07 -07:00
mergify[bot]	6a5d782d6c	Bump Rust-BPF version to be interoperable with latest Rust (#9783 ) (#9801 ) automerge	2020-04-29 16:32:06 -07:00
mergify[bot]	89fad8f566	Rpc: remove unwraps (#9793 ) (#9796 ) automerge	2020-04-29 14:44:41 -07:00
mergify[bot]	01cac89867	Fix BPF tool caching (#9781 ) (#9794 ) automerge	2020-04-29 13:13:00 -07:00
Michael Vines	dfb4729b02	Don't divide by zero	2020-04-29 11:03:13 -07:00
Michael Vines	6ab5f823b3	Bump version to 1.0.21	2020-04-29 08:57:57 -07:00
mergify[bot]	bf1ceab6ed	catchup now estimates the time remaining (#9782 ) (#9784 ) automerge	2020-04-29 00:31:43 -07:00
mergify[bot]	dbaff495c8	v1.1: backport commitment max changes (#9775 ) (#9778 ) automerge	2020-04-28 16:42:08 -07:00
Michael Vines	f65caa66bf	Don't --use-move	2020-04-28 12:47:08 -07:00
Michael Vines	2f455e18ef	Reorder steps by relative priority for when there aren't enough agents	2020-04-28 12:46:19 -07:00
Michael Vines	7b155f384d	Disable move more	2020-04-28 12:38:51 -07:00
mergify[bot]	fd405239d9	Report duration of last alarm in the All Clear message (#9766 ) (#9770 ) automerge Co-authored-by: Michael Vines <mvines@gmail.com>	2020-04-28 12:38:34 -07:00
sakridge	8698156e27	Update dalek (v1.0 bp) (#9765 ) * Disable Move/Libra components * Update dalek version Co-authored-by: Trent Nelson <trent@solana.com>	2020-04-28 12:02:09 -07:00
mergify[bot]	2f0f218ad9	Use Blockstore lowest_slot to start root iterator (#9738 ) (#9767 ) automerge	2020-04-28 11:11:10 -07:00
mergify[bot]	3cc75b4bab	Set HOME correctly (#9757 ) (#9761 ) automerge	2020-04-28 02:57:49 -07:00
mergify[bot]	0a0f8470d7	Clean up `use` to keep rust 1.43.0 from complaining (bp #9740 ) (#9748 ) * Clean up `use` to keep rust 1.43.0 from complaining (#9740) (cherry picked from commit `c11abf88b7`)	2020-04-27 23:21:32 -07:00
mergify[bot]	e46026f1fb	Input values are not sanitized after they are deserialized, making it far too easy for Leo to earn SOL (bp #9706 ) (#9735 ) automerge	2020-04-27 19:58:40 -07:00
mergify[bot]	fef5089d7e	Fix broken doc link to anatomy of transaction (#9728 ) (#9729 ) automerge	2020-04-27 01:27:26 -07:00
Michael Vines	a844bd70da	Update metrics dashboard	2020-04-26 09:54:19 -07:00
Michael Vines	cbc01bd1b9	Cargo.lock	2020-04-25 23:08:21 -07:00
Michael Vines	e096cc1101	Use vec!	2020-04-25 23:08:09 -07:00
sakridge	0dc559d3cf	Filter program ids v1.0 (#9723 ) * Filter program ids to store * add test	2020-04-25 22:52:39 -07:00
mergify[bot]	34f537adad	Add support for log rotation, sending SIGUSR1 will cause the log file to be re-opened (#9713 ) (#9715 ) (cherry picked from commit `50f1ec0374`) Co-authored-by: Michael Vines <mvines@gmail.com>	2020-04-24 15:57:47 -07:00
Michael Vines	9558628537	Update to rocksdb 0.14 and set max wal size (#9668 ) (#9688 ) (#9708 ) Co-authored-by: sakridge <sakridge@gmail.com>	2020-04-24 10:43:01 -07:00
Dan Albert	940bf7081a	Update solana-user-authorized_keys.sh	2020-04-23 16:32:23 -06:00
mergify[bot]	38c31c3b4e	Exit cleanly on panic! so the process don't limp along in a half-dead state (#9690 ) (#9692 ) automerge	2020-04-23 14:07:12 -07:00
mergify[bot]	253272d757	Remove stray 'v' (#9679 ) (#9680 ) automerge	2020-04-23 00:51:25 -07:00
Michael Vines	9b1bd8065f	Bump version to 1.0.20	2020-04-22 22:17:34 -07:00
Dan Albert	b2a5cf57ad	Remove validator-info publish from net scripts	2020-04-22 18:06:46 -06:00
mergify[bot]	33c51ee75d	Add getLowestNonpurgedBlock rpc; use blockstore api in getConfirmedBlocks (#9656 ) (#9663 ) automerge	2020-04-22 15:17:51 -07:00
mergify[bot]	d8aa107fae	Extend snapshot interval in multinode demo (#9657 ) (#9660 ) automerge	2020-04-22 13:45:01 -07:00
mergify[bot]	82e02d0734	Relax setting withdraw authority during lockup (#9644 ) (#9645 ) automerge	2020-04-21 22:35:27 -07:00
mergify[bot]	dae59bb3e1	Flag test_tvu_exit as serial to hopefully reduce CI flakiness (bp #9509 ) (#9636 ) automerge	2020-04-21 17:16:05 -07:00
mergify[bot]	e0e7fc8e52	Wait for supermajority of cluster to have rooted a transaction to consider it finalized (#9618 ) (#9626 ) automerge	2020-04-21 01:09:26 -07:00
mergify[bot]	9abc84c583	Move streamer test to integration test (#9050 ) (#9624 ) automerge	2020-04-21 00:50:46 -07:00
Stephen Akridge	db6540772c	Check distance for timestamp	2020-04-20 11:36:17 -07:00
mergify[bot]	840ebfe625	Error for invalid shred. (#9588 ) (#9596 ) automerge	2020-04-19 22:42:48 -07:00
Michael Vines	953282dbf4	Budget for gossip traffic (#9550 ) (#9583 ) automerge	2020-04-19 09:43:44 -07:00
mergify[bot]	788d1199ac	Fix local-cluster test - archiver should wait for itself + 1 validator (#9577 ) (#9584 ) automerge	2020-04-19 01:36:14 -07:00
Michael Vines	f6a8f718a8	Make rpc_subscriptions.rs tests serial (#9556 ) automerge (cherry picked from commit `b58338b066`)	2020-04-17 11:40:31 -07:00
sakridge	f225bf6f01	Make rpc tests serial (#9537 ) (cherry picked from commit `e655cba5bd`)	2020-04-16 22:17:41 -07:00
Michael Vines	b5f03a380b	Only build x86_64-unknown-linux-gnu on docs.rs	2020-04-16 19:07:43 -07:00
Michael Vines	140c75f613	Don't upload tarballs to buildkite to speed up build	2020-04-16 13:55:15 -07:00
Stephen Akridge	6a59f67fdc	Write wallet key to explicit file (cherry picked from commit `93669ab1fc`)	2020-04-16 13:41:14 -07:00
Michael Vines	5943747001	Bump version to 1.0.19	2020-04-16 12:19:48 -07:00
mergify[bot]	f26f18d29d	Don't unwrap on session new (#9531 ) automerge	2020-04-16 10:05:41 -07:00
mergify[bot]	9b58d72f52	Rpc: Speed up getBlockTime (#9510 ) (#9513 ) automerge	2020-04-16 00:19:50 -07:00
Michael Vines	0c885d6a04	Default to RUST_BACKTRACE=1 for more informative validator logs (cherry picked from commit `4ac15e68cf`)	2020-04-15 22:46:24 -07:00
Michael Vines	70b51c0a5a	Pacify shellcheck	2020-04-15 17:53:23 -07:00
Michael Vines	560660ae11	Always run shellcheck	2020-04-15 17:53:03 -07:00
Michael Vines	5436855b67	Update build-cli-usage.sh	2020-04-15 17:49:15 -07:00
Michael Vines	7351e5ed2c	Use $rust_stable (cherry picked from commit `d567799d43`) # Conflicts: # docs/build-cli-usage.sh	2020-04-15 17:49:15 -07:00
mergify[bot]	7ee993fadf	RPC: Add health check URI (bp #9499 ) (#9504 ) automerge	2020-04-15 12:31:08 -07:00
sakridge	9bf459e82f	Fix race in multi_bind_in_range (#9493 ) (cherry picked from commit `ee72714c08`)	2020-04-14 17:59:15 -07:00
sakridge	545090ff17	limit test jobs to 16 to prevent OOM (#9500 ) (cherry picked from commit `2b2b2cac1f`)	2020-04-14 17:52:05 -07:00
Michael Vines	bd8074507f	Bump version to v1.0.18	2020-04-14 09:58:33 -07:00
Ryo Onodera	cfc7b22c4c	Use type alias	2020-04-13 21:12:44 -07:00
Ryo Onodera	5f1c637508	Conditionally change max_age	2020-04-13 21:12:44 -07:00
Ryo Onodera	d888e0a6d7	Use same max_age regardless of leader/not-leader	2020-04-13 21:12:44 -07:00
Michael Vines	10e808e1bd	Fail coverage faster in CI	2020-04-13 21:09:26 -07:00
Michael Vines	d9b03ca38b	Assume json_rpc_url can be upgrade to a websocket if no port is supplied (cherry picked from commit `bcfadd6085`)	2020-04-13 20:32:26 -07:00
Michael Vines	608d75b348	Unfold coverage test failures (cherry picked from commit `d4ea1ec6ad`)	2020-04-13 18:08:25 -07:00
Michael Vines	cee3cee4ef	Reorder CI jobs to allow for more concurrent PRs (cherry picked from commit `ce027da236`)	2020-04-13 13:00:39 -07:00
Dan Albert	09e51323f0	Update buildkite-tests.yml (cherry picked from commit `92a5a51632`)	2020-04-13 11:01:00 -07:00
Michael Vines	da6f702129	Bump version to 1.0.17	2020-04-11 19:32:42 -07:00
mergify[bot]	02a83e7c6e	Allow lower shred count (#9410 ) (#9451 ) automerge	2020-04-11 14:49:32 -07:00
sakridge	83263e1737	Calculate account refs fix (#9448 )	2020-04-11 12:56:20 -07:00
mergify[bot]	1f7ac22b60	Don't subject authorizing a new stake authority to lockup (#9434 ) (#9441 ) automerge	2020-04-10 17:25:15 -07:00
Michael Vines	747debae56	Cache downloads to speed up CI (cherry picked from commit `b4e00275b2`)	2020-04-10 12:25:49 -07:00
mergify[bot]	00b4186469	Improve coverage.sh usability when used locally (#9054 ) (#9424 ) automerge	2020-04-10 05:59:35 -07:00
mergify[bot]	b087dabf4f	Rpc: Add getConfirmedSignaturesForAddress (#9407 ) (#9417 ) automerge	2020-04-09 21:20:28 -07:00
mergify[bot]	e00eb0a069	Remove Trust Wallet Beta install instructions (#9396 ) (#9397 ) automerge	2020-04-09 08:52:04 -07:00
mergify[bot]	d4e49ffd06	Rpc: Add getConfirmedTransaction (#9381 ) (#9392 ) automerge	2020-04-09 01:00:34 -07:00
Michael Vines	0f34a190ea	Bump version to 1.0.16	2020-04-09 00:05:16 -07:00
mergify[bot]	df2fb8f5b3	Add --no-wait arg to transfer (#9388 ) (#9390 ) automerge	2020-04-08 23:49:40 -07:00
mergify[bot]	80d2a6046b	Moar vm.max_map_count (#9389 ) automerge	2020-04-08 23:18:30 -07:00
mergify[bot]	24273b826f	Add blockstore address-to-signature index (#9367 ) (#9378 ) automerge	2020-04-08 13:55:53 -07:00
mergify[bot]	68d2616e35	stake-monitor: Add 1 SOL grace, to allow for a complaint system account to fund a reasonable number of transactions. (bp #9359 ) (#9363 ) automerge	2020-04-08 11:56:01 -07:00
mergify[bot]	f506d39339	Improve ledger-tool/accounts for easier debuging (#9370 ) (#9371 ) automerge	2020-04-08 11:31:41 -07:00
Michael Vines	bc58c9ec7e	Cache solana-perf.tgz to speed up CI (#9360 ) automerge (cherry picked from commit `dc91698b3a`)	2020-04-07 13:32:13 -07:00
Michael Vines	b57a52cd85	Bump version to 1.0.15	2020-04-07 09:36:47 -07:00