Merge remote-tracking branch 'origin/unstable' into tree-states

Author: michaelsproul

Cargo.lock

@@ -107,7 +107,7 @@ crossbeam-channel = "0.5.8"
 delay_map = "0.3"
 derivative = "2"
 dirs = "3"
-discv5 = { git="https://github.com/sigp/discv5", rev="dbb4a718cd32eaed8127c3c8241bfd0fde9eb908", features = ["libp2p"] }
+discv5 = { git="https://github.com/sigp/discv5", rev="e30a2c31b7ac0c57876458b971164654dfa4513b", features = ["libp2p"] }
 env_logger = "0.9"
 error-chain = "0.12"
 ethereum-types = "0.14"
@@ -163,6 +163,10 @@ tempfile = "3"
 tokio = { version = "1", features = ["rt-multi-thread", "sync", "signal"] }
 tokio-stream = { version = "0.1", features = ["sync"] }
 tokio-util = { version = "0.6", features = ["codec", "compat", "time"] }
+tracing-appender = "0.2"
+tracing-core = "0.1"
+tracing-log = "0.2"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 tree_hash = "0.5"
 tree_hash_derive = "0.5"
 url = "2"

Cargo.toml

@@ -14,7 +14,7 @@ BUILD_PATH_AARCH64 = "target/$(AARCH64_TAG)/release"
 PINNED_NIGHTLY ?= nightly
 CLIPPY_PINNED_NIGHTLY=nightly-2022-05-19
 
-# List of features to use when building natively. Can be overriden via the environment.
+# List of features to use when building natively. Can be overridden via the environment.
 # No jemalloc on Windows
 ifeq ($(OS),Windows_NT)
     FEATURES?=

Makefile

@@ -284,6 +284,8 @@ pub fn cli_run(matches: &ArgMatches, validator_dir: PathBuf) -> Result<(), Strin
             suggested_fee_recipient,
             None,
             None,
+            None,
+            None,
         )
         .map_err(|e| format!("Unable to create new validator definition: {:?}", e))?;
 

account_manager/src/validator/import.rs

@@ -30,7 +30,7 @@ use crate::eth1_finalization_cache::{Eth1FinalizationCache, Eth1FinalizationData
 use crate::events::ServerSentEventHandler;
 use crate::execution_payload::{get_execution_payload, NotifyExecutionLayer, PreparePayloadHandle};
 use crate::fork_choice_signal::{ForkChoiceSignalRx, ForkChoiceSignalTx, ForkChoiceWaitResult};
-use crate::head_tracker::HeadTracker;
+use crate::head_tracker::{HeadTracker, HeadTrackerReader, SszHeadTracker};
 use crate::historical_blocks::HistoricalBlockError;
 use crate::light_client_finality_update_verification::{
     Error as LightClientFinalityUpdateError, VerifiedLightClientFinalityUpdate,
@@ -604,38 +604,48 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         let mut batch = vec![];
 
         let _head_timer = metrics::start_timer(&metrics::PERSIST_HEAD);
-        batch.push(self.persist_head_in_batch()?);
+
+        // Hold a lock to head_tracker until it has been persisted to disk. Otherwise there's a race
+        // condition with the pruning thread which can result in a block present in the head tracker
+        // but absent in the DB. This inconsistency halts pruning and dramastically increases disk
+        // size. Ref: https://github.com/sigp/lighthouse/issues/4773
+        let head_tracker = self.head_tracker.0.read();
+        batch.push(self.persist_head_in_batch(&head_tracker)?);
 
         let _fork_choice_timer = metrics::start_timer(&metrics::PERSIST_FORK_CHOICE);
         batch.push(self.persist_fork_choice_in_batch()?);
 
         self.store.hot_db.do_atomically(batch)?;
+        drop(head_tracker);
 
         Ok(())
     }
 
     /// Return a `PersistedBeaconChain` without reference to a `BeaconChain`.
     pub fn make_persisted_head(
         genesis_block_root: Hash256,
-        head_tracker: &HeadTracker,
+        head_tracker_reader: &HeadTrackerReader,
     ) -> PersistedBeaconChain {
         PersistedBeaconChain {
             _canonical_head_block_root: DUMMY_CANONICAL_HEAD_BLOCK_ROOT,
             genesis_block_root,
-            ssz_head_tracker: head_tracker.to_ssz_container(),
+            ssz_head_tracker: SszHeadTracker::from_map(head_tracker_reader),
         }
     }
 
     /// Return a database operation for writing the beacon chain head to disk.
-    pub fn persist_head_in_batch(&self) -> Result<KeyValueStoreOp, DBError> {
-        Self::persist_head_in_batch_standalone(self.genesis_block_root, &self.head_tracker)
+    pub fn persist_head_in_batch(
+        &self,
+        head_tracker_reader: &HeadTrackerReader,
+    ) -> Result<KeyValueStoreOp, DBError> {
+        Self::persist_head_in_batch_standalone(self.genesis_block_root, head_tracker_reader)
     }
 
     pub fn persist_head_in_batch_standalone(
         genesis_block_root: Hash256,
-        head_tracker: &HeadTracker,
+        head_tracker_reader: &HeadTrackerReader,
     ) -> Result<KeyValueStoreOp, DBError> {
-        Self::make_persisted_head(genesis_block_root, head_tracker)
+        Self::make_persisted_head(genesis_block_root, head_tracker_reader)
             .as_kv_store_op(BEACON_CHAIN_DB_KEY)
     }
 
@@ -1327,6 +1337,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         self.head_tracker.heads()
     }
 
+    /// Only used in tests.
     pub fn knows_head(&self, block_hash: &SignedBeaconBlockHash) -> bool {
         self.head_tracker.contains_head((*block_hash).into())
     }

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -718,7 +718,7 @@ impl<T: BeaconChainTypes> IntoGossipVerifiedBlockContents<T> for PublishBlockReq
                 Ok::<_, BlockContentsError<T::EthSpec>>(gossip_verified_blobs)
             })
             .transpose()?;
-        let gossip_verified_block = GossipVerifiedBlock::new(Arc::new(block), chain)?;
+        let gossip_verified_block = GossipVerifiedBlock::new(block, chain)?;
 
         Ok((gossip_verified_block, gossip_verified_blobs))
     }

beacon_node/beacon_chain/src/block_verification.rs

@@ -833,20 +833,25 @@ where
         //
         // This *must* be stored before constructing the `BeaconChain`, so that its `Drop` instance
         // doesn't write a `PersistedBeaconChain` without the rest of the batch.
-        self.pending_io_batch.push(BeaconChain::<
-            Witness<TSlotClock, TEth1Backend, TEthSpec, THotStore, TColdStore>,
-        >::persist_head_in_batch_standalone(
-            genesis_block_root, &head_tracker
-        ).map_err(|e| format!("{:?}", e))?);
+        let head_tracker_reader = head_tracker.0.read();
+        self.pending_io_batch
+            .push(BeaconChain::<
+                Witness<TSlotClock, TEth1Backend, TEthSpec, THotStore, TColdStore>,
+            >::persist_head_in_batch_standalone(
+                genesis_block_root,
+                &head_tracker_reader,
+            )
+            .map_err(|e| format!("{e:?}"))?);
         self.pending_io_batch.push(BeaconChain::<
             Witness<TSlotClock, TEth1Backend, TEthSpec, THotStore, TColdStore>,
         >::persist_fork_choice_in_batch_standalone(
             &fork_choice
-        ).map_err(|e| format!("{:?}", e))?);
+        ).map_err(|e| format!("{e:?}"))?);
         store
             .hot_db
             .do_atomically(self.pending_io_batch)
             .map_err(|e| format!("Error writing chain & metadata to disk: {:?}", e))?;
+        drop(head_tracker_reader);
 
         let genesis_validators_root = head_snapshot.beacon_state.genesis_validators_root();
         let genesis_time = head_snapshot.beacon_state.genesis_time();

beacon_node/beacon_chain/src/builder.rs

@@ -1,5 +1,4 @@
-//! Provides tools for checking if a node is ready for the Capella upgrade and following merge
-//! transition.
+//! Provides tools for checking if a node is ready for the Capella upgrade.
 
 use crate::{BeaconChain, BeaconChainTypes};
 use execution_layer::http::{

beacon_node/beacon_chain/src/capella_readiness.rs

@@ -952,7 +952,7 @@ mod test {
         };
 
         let availability_pending_block = AvailabilityPendingExecutedBlock {
-            block: Arc::new(block),
+            block,
             import_data,
             payload_verification_outcome,
         };

beacon_node/beacon_chain/src/data_availability_checker/overflow_lru_cache.rs

@@ -0,0 +1,121 @@
+//! Provides tools for checking if a node is ready for the Deneb upgrade.
+
+use crate::{BeaconChain, BeaconChainTypes};
+use execution_layer::http::{
+    ENGINE_FORKCHOICE_UPDATED_V3, ENGINE_GET_PAYLOAD_V3, ENGINE_NEW_PAYLOAD_V3,
+};
+use serde::{Deserialize, Serialize};
+use std::fmt;
+use std::time::Duration;
+use types::*;
+
+/// The time before the Deneb fork when we will start issuing warnings about preparation.
+use super::merge_readiness::SECONDS_IN_A_WEEK;
+pub const DENEB_READINESS_PREPARATION_SECONDS: u64 = SECONDS_IN_A_WEEK * 2;
+pub const ENGINE_CAPABILITIES_REFRESH_INTERVAL: u64 = 300;
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+#[serde(tag = "type")]
+pub enum DenebReadiness {
+    /// The execution engine is deneb-enabled (as far as we can tell)
+    Ready,
+    /// We are connected to an execution engine which doesn't support the V3 engine api methods
+    V3MethodsNotSupported { error: String },
+    /// The transition configuration with the EL failed, there might be a problem with
+    /// connectivity, authentication or a difference in configuration.
+    ExchangeCapabilitiesFailed { error: String },
+    /// The user has not configured an execution endpoint
+    NoExecutionEndpoint,
+}
+
+impl fmt::Display for DenebReadiness {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            DenebReadiness::Ready => {
+                write!(f, "This node appears ready for Deneb.")
+            }
+            DenebReadiness::ExchangeCapabilitiesFailed { error } => write!(
+                f,
+                "Could not exchange capabilities with the \
+                    execution endpoint: {}",
+                error
+            ),
+            DenebReadiness::NoExecutionEndpoint => write!(
+                f,
+                "The --execution-endpoint flag is not specified, this is a \
+                    requirement post-merge"
+            ),
+            DenebReadiness::V3MethodsNotSupported { error } => write!(
+                f,
+                "Execution endpoint does not support Deneb methods: {}",
+                error
+            ),
+        }
+    }
+}
+
+impl<T: BeaconChainTypes> BeaconChain<T> {
+    /// Returns `true` if deneb epoch is set and Deneb fork has occurred or will
+    /// occur within `DENEB_READINESS_PREPARATION_SECONDS`
+    pub fn is_time_to_prepare_for_deneb(&self, current_slot: Slot) -> bool {
+        if let Some(deneb_epoch) = self.spec.deneb_fork_epoch {
+            let deneb_slot = deneb_epoch.start_slot(T::EthSpec::slots_per_epoch());
+            let deneb_readiness_preparation_slots =
+                DENEB_READINESS_PREPARATION_SECONDS / self.spec.seconds_per_slot;
+            // Return `true` if Deneb has happened or is within the preparation time.
+            current_slot + deneb_readiness_preparation_slots > deneb_slot
+        } else {
+            // The Deneb fork epoch has not been defined yet, no need to prepare.
+            false
+        }
+    }
+
+    /// Attempts to connect to the EL and confirm that it is ready for capella.
+    pub async fn check_deneb_readiness(&self) -> DenebReadiness {
+        if let Some(el) = self.execution_layer.as_ref() {
+            match el
+                .get_engine_capabilities(Some(Duration::from_secs(
+                    ENGINE_CAPABILITIES_REFRESH_INTERVAL,
+                )))
+                .await
+            {
+                Err(e) => {
+                    // The EL was either unreachable or responded with an error
+                    DenebReadiness::ExchangeCapabilitiesFailed {
+                        error: format!("{:?}", e),
+                    }
+                }
+                Ok(capabilities) => {
+                    let mut missing_methods = String::from("Required Methods Unsupported:");
+                    let mut all_good = true;
+                    if !capabilities.get_payload_v3 {
+                        missing_methods.push(' ');
+                        missing_methods.push_str(ENGINE_GET_PAYLOAD_V3);
+                        all_good = false;
+                    }
+                    if !capabilities.forkchoice_updated_v3 {
+                        missing_methods.push(' ');
+                        missing_methods.push_str(ENGINE_FORKCHOICE_UPDATED_V3);
+                        all_good = false;
+                    }
+                    if !capabilities.new_payload_v3 {
+                        missing_methods.push(' ');
+                        missing_methods.push_str(ENGINE_NEW_PAYLOAD_V3);
+                        all_good = false;
+                    }
+
+                    if all_good {
+                        DenebReadiness::Ready
+                    } else {
+                        DenebReadiness::V3MethodsNotSupported {
+                            error: missing_methods,
+                        }
+                    }
+                }
+            }
+        } else {
+            DenebReadiness::NoExecutionEndpoint
+        }
+    }
+}