Rename Merge to Bellatrix (#5601)

* Rename Merge to Bellatrix

* Remove tree-hash-cache which got readded from the rebase

Makefile

@@ -39,7 +39,7 @@ PROFILE ?= release
 
 # List of all hard forks. This list is used to set env variables for several tests so that
 # they run for different forks.
-FORKS=phase0 altair merge capella deneb electra
+FORKS=phase0 altair bellatrix capella deneb electra
 
 # Extra flags for Cargo
 CARGO_INSTALL_EXTRA_FLAGS?=

beacon_node/beacon_chain/src/attestation_rewards.rs

@@ -54,7 +54,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         match state {
             BeaconState::Base(_) => self.compute_attestation_rewards_base(state, validators),
             BeaconState::Altair(_)
-            | BeaconState::Merge(_)
+            | BeaconState::Bellatrix(_)
             | BeaconState::Capella(_)
             | BeaconState::Deneb(_)
             | BeaconState::Electra(_) => self.compute_attestation_rewards_altair(state, validators),

beacon_node/beacon_chain/src/attestation_verification.rs

@@ -1063,7 +1063,9 @@ pub fn verify_propagation_slot_range<S: SlotClock, E: EthSpec>(
     let current_fork =
         spec.fork_name_at_slot::<E>(slot_clock.now().ok_or(BeaconChainError::UnableToReadSlot)?);
     let earliest_permissible_slot = match current_fork {
-        ForkName::Base | ForkName::Altair | ForkName::Merge | ForkName::Capella => one_epoch_prior,
+        ForkName::Base | ForkName::Altair | ForkName::Bellatrix | ForkName::Capella => {
+            one_epoch_prior
+        }
         // EIP-7045
         ForkName::Deneb | ForkName::Electra => one_epoch_prior
             .epoch(E::slots_per_epoch())

beacon_node/beacon_chain/src/beacon_block_streamer.rs

@@ -14,8 +14,8 @@ use types::{
     SignedBlindedBeaconBlock, Slot,
 };
 use types::{
-    ExecutionPayload, ExecutionPayloadCapella, ExecutionPayloadElectra, ExecutionPayloadHeader,
-    ExecutionPayloadMerge,
+    ExecutionPayload, ExecutionPayloadBellatrix, ExecutionPayloadCapella, ExecutionPayloadElectra,
+    ExecutionPayloadHeader,
 };
 
 #[derive(PartialEq)]
@@ -95,7 +95,7 @@ fn reconstruct_default_header_block<E: EthSpec>(
         .map_err(BeaconChainError::InconsistentFork)?;
 
     let payload: ExecutionPayload<E> = match fork {
-        ForkName::Merge => ExecutionPayloadMerge::default().into(),
+        ForkName::Bellatrix => ExecutionPayloadBellatrix::default().into(),
         ForkName::Capella => ExecutionPayloadCapella::default().into(),
         ForkName::Deneb => ExecutionPayloadDeneb::default().into(),
         ForkName::Electra => ExecutionPayloadElectra::default().into(),

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -2521,7 +2521,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
     /// Check if the current slot is greater than or equal to the Capella fork epoch.
     pub fn current_slot_is_post_capella(&self) -> Result<bool, Error> {
         let current_fork = self.spec.fork_name_at_slot::<T::EthSpec>(self.slot()?);
-        if let ForkName::Base | ForkName::Altair | ForkName::Merge = current_fork {
+        if let ForkName::Base | ForkName::Altair | ForkName::Bellatrix = current_fork {
             Ok(false)
         } else {
             Ok(true)
@@ -4823,7 +4823,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         // allows it to run concurrently with things like attestation packing.
         let prepare_payload_handle = match &state {
             BeaconState::Base(_) | BeaconState::Altair(_) => None,
-            BeaconState::Merge(_)
+            BeaconState::Bellatrix(_)
             | BeaconState::Capella(_)
             | BeaconState::Deneb(_)
             | BeaconState::Electra(_) => {
@@ -5083,17 +5083,17 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
                 None,
                 Uint256::zero(),
             ),
-            BeaconState::Merge(_) => {
+            BeaconState::Bellatrix(_) => {
                 let block_proposal_contents =
                     block_contents.ok_or(BlockProductionError::MissingExecutionPayload)?;
                 let execution_payload_value = block_proposal_contents.block_value().to_owned();
                 (
-                    BeaconBlock::Merge(BeaconBlockMerge {
+                    BeaconBlock::Bellatrix(BeaconBlockBellatrix {
                         slot,
                         proposer_index,
                         parent_root,
                         state_root: Hash256::zero(),
-                        body: BeaconBlockBodyMerge {
+                        body: BeaconBlockBodyBellatrix {
                             randao_reveal,
                             eth1_data,
                             graffiti,
@@ -5541,7 +5541,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
         } else {
             let prepare_slot_fork = self.spec.fork_name_at_slot::<T::EthSpec>(prepare_slot);
             let withdrawals = match prepare_slot_fork {
-                ForkName::Base | ForkName::Altair | ForkName::Merge => None,
+                ForkName::Base | ForkName::Altair | ForkName::Bellatrix => None,
                 ForkName::Capella | ForkName::Deneb | ForkName::Electra => {
                     let chain = self.clone();
                     self.spawn_blocking_handle(
@@ -5556,7 +5556,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
             };
 
             let parent_beacon_block_root = match prepare_slot_fork {
-                ForkName::Base | ForkName::Altair | ForkName::Merge | ForkName::Capella => None,
+                ForkName::Base | ForkName::Altair | ForkName::Bellatrix | ForkName::Capella => None,
                 ForkName::Deneb | ForkName::Electra => {
                     Some(pre_payload_attributes.parent_beacon_block_root)
                 }
@@ -6599,7 +6599,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
 
         match fork_name {
             ForkName::Altair
-            | ForkName::Merge
+            | ForkName::Bellatrix
             | ForkName::Capella
             | ForkName::Deneb
             | ForkName::Electra => {

beacon_node/beacon_chain/src/merge_readiness.rs → beacon_node/beacon_chain/src/bellatrix_readiness.rs

@@ -11,7 +11,7 @@ use types::*;
 
 /// The time before the Bellatrix fork when we will start issuing warnings about preparation.
 pub const SECONDS_IN_A_WEEK: u64 = 604800;
-pub const MERGE_READINESS_PREPARATION_SECONDS: u64 = SECONDS_IN_A_WEEK * 2;
+pub const BELLATRIX_READINESS_PREPARATION_SECONDS: u64 = SECONDS_IN_A_WEEK * 2;
 
 #[derive(Default, Debug, Serialize, Deserialize)]
 pub struct MergeConfig {
@@ -81,7 +81,7 @@ impl MergeConfig {
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 #[serde(tag = "type")]
-pub enum MergeReadiness {
+pub enum BellatrixReadiness {
     /// The node is ready, as far as we can tell.
     Ready {
         config: MergeConfig,
@@ -94,29 +94,29 @@ pub enum MergeReadiness {
     NoExecutionEndpoint,
 }
 
-impl fmt::Display for MergeReadiness {
+impl fmt::Display for BellatrixReadiness {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            MergeReadiness::Ready {
+            BellatrixReadiness::Ready {
                 config: params,
                 current_difficulty,
             } => {
                 write!(
                     f,
-                    "This node appears ready for the merge. \
+                    "This node appears ready for Bellatrix \
                         Params: {}, current_difficulty: {:?}",
                     params, current_difficulty
                 )
             }
-            MergeReadiness::NotSynced => write!(
+            BellatrixReadiness::NotSynced => write!(
                 f,
                 "The execution endpoint is connected and configured, \
                     however it is not yet synced"
             ),
-            MergeReadiness::NoExecutionEndpoint => write!(
+            BellatrixReadiness::NoExecutionEndpoint => write!(
                 f,
                 "The --execution-endpoint flag is not specified, this is a \
-                    requirement for the merge"
+                    requirement for Bellatrix"
             ),
         }
     }
@@ -143,43 +143,43 @@ pub enum GenesisExecutionPayloadStatus {
 
 impl<T: BeaconChainTypes> BeaconChain<T> {
     /// Returns `true` if user has an EL configured, or if the Bellatrix fork has occurred or will
-    /// occur within `MERGE_READINESS_PREPARATION_SECONDS`.
+    /// occur within `BELLATRIX_READINESS_PREPARATION_SECONDS`.
     pub fn is_time_to_prepare_for_bellatrix(&self, current_slot: Slot) -> bool {
         if let Some(bellatrix_epoch) = self.spec.bellatrix_fork_epoch {
             let bellatrix_slot = bellatrix_epoch.start_slot(T::EthSpec::slots_per_epoch());
-            let merge_readiness_preparation_slots =
-                MERGE_READINESS_PREPARATION_SECONDS / self.spec.seconds_per_slot;
+            let bellatrix_readiness_preparation_slots =
+                BELLATRIX_READINESS_PREPARATION_SECONDS / self.spec.seconds_per_slot;
 
             if self.execution_layer.is_some() {
                 // The user has already configured an execution layer, start checking for readiness
                 // right away.
                 true
             } else {
                 // Return `true` if Bellatrix has happened or is within the preparation time.
-                current_slot + merge_readiness_preparation_slots > bellatrix_slot
+                current_slot + bellatrix_readiness_preparation_slots > bellatrix_slot
             }
         } else {
             // The Bellatrix 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 the merge.
-    pub async fn check_merge_readiness(&self, current_slot: Slot) -> MergeReadiness {
+    /// Attempts to connect to the EL and confirm that it is ready for Bellatrix.
+    pub async fn check_bellatrix_readiness(&self, current_slot: Slot) -> BellatrixReadiness {
         if let Some(el) = self.execution_layer.as_ref() {
             if !el.is_synced_for_notifier(current_slot).await {
                 // The EL is not synced.
-                return MergeReadiness::NotSynced;
+                return BellatrixReadiness::NotSynced;
             }
             let params = MergeConfig::from_chainspec(&self.spec);
             let current_difficulty = el.get_current_difficulty().await.ok();
-            MergeReadiness::Ready {
+            BellatrixReadiness::Ready {
                 config: params,
                 current_difficulty,
             }
         } else {
             // There is no EL configured.
-            MergeReadiness::NoExecutionEndpoint
+            BellatrixReadiness::NoExecutionEndpoint
         }
     }
 

beacon_node/beacon_chain/src/capella_readiness.rs

@@ -10,7 +10,7 @@ use std::time::Duration;
 use types::*;
 
 /// The time before the Capella fork when we will start issuing warnings about preparation.
-use super::merge_readiness::SECONDS_IN_A_WEEK;
+use super::bellatrix_readiness::SECONDS_IN_A_WEEK;
 pub const CAPELLA_READINESS_PREPARATION_SECONDS: u64 = SECONDS_IN_A_WEEK * 2;
 pub const ENGINE_CAPABILITIES_REFRESH_INTERVAL: u64 = 300;
 

beacon_node/beacon_chain/src/data_availability_checker/overflow_lru_cache.rs

@@ -989,17 +989,17 @@ mod test {
 
         // go to bellatrix slot
         harness.extend_to_slot(bellatrix_fork_slot).await;
-        let merge_head = &harness.chain.head_snapshot().beacon_block;
-        assert!(merge_head.as_merge().is_ok());
-        assert_eq!(merge_head.slot(), bellatrix_fork_slot);
+        let bellatrix_head = &harness.chain.head_snapshot().beacon_block;
+        assert!(bellatrix_head.as_bellatrix().is_ok());
+        assert_eq!(bellatrix_head.slot(), bellatrix_fork_slot);
         assert!(
-            merge_head
+            bellatrix_head
                 .message()
                 .body()
                 .execution_payload()
                 .unwrap()
                 .is_default_with_empty_roots(),
-            "Merge head is default payload"
+            "Bellatrix head is default payload"
         );
         // Trigger the terminal PoW block.
         harness

beacon_node/beacon_chain/src/deneb_readiness.rs

@@ -10,7 +10,7 @@ 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;
+use super::bellatrix_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;
 

beacon_node/beacon_chain/src/electra_readiness.rs

@@ -11,7 +11,7 @@ use std::time::Duration;
 use types::*;
 
 /// The time before the Electra fork when we will start issuing warnings about preparation.
-use super::merge_readiness::SECONDS_IN_A_WEEK;
+use super::bellatrix_readiness::SECONDS_IN_A_WEEK;
 pub const ELECTRA_READINESS_PREPARATION_SECONDS: u64 = SECONDS_IN_A_WEEK * 2;
 pub const ENGINE_CAPABILITIES_REFRESH_INTERVAL: u64 = 300;
 

beacon_node/beacon_chain/src/execution_payload.rs

@@ -336,7 +336,7 @@ pub fn validate_execution_payload_for_gossip<T: BeaconChainTypes>(
     block: BeaconBlockRef<'_, T::EthSpec>,
     chain: &BeaconChain<T>,
 ) -> Result<(), BlockError<T::EthSpec>> {
-    // Only apply this validation if this is a merge beacon block.
+    // Only apply this validation if this is a Bellatrix beacon block.
     if let Ok(execution_payload) = block.body().execution_payload() {
         // This logic should match `is_execution_enabled`. We use only the execution block hash of
         // the parent here in order to avoid loading the parent state during gossip verification.
@@ -385,7 +385,7 @@ pub fn validate_execution_payload_for_gossip<T: BeaconChainTypes>(
 /// ## Errors
 ///
 /// Will return an error when using a pre-merge fork `state`. Ensure to only run this function
-/// after the merge fork.
+/// after the Bellatrix fork.
 ///
 /// ## Specification
 ///
@@ -415,13 +415,13 @@ pub fn get_execution_payload<T: BeaconChainTypes>(
         &BeaconState::Capella(_) | &BeaconState::Deneb(_) | &BeaconState::Electra(_) => {
             Some(get_expected_withdrawals(state, spec)?.into())
         }
-        &BeaconState::Merge(_) => None,
+        &BeaconState::Bellatrix(_) => None,
         // These shouldn't happen but they're here to make the pattern irrefutable
         &BeaconState::Base(_) | &BeaconState::Altair(_) => None,
     };
     let parent_beacon_block_root = match state {
         BeaconState::Deneb(_) | BeaconState::Electra(_) => Some(parent_block_root),
-        BeaconState::Merge(_) | BeaconState::Capella(_) => None,
+        BeaconState::Bellatrix(_) | BeaconState::Capella(_) => None,
         // These shouldn't happen but they're here to make the pattern irrefutable
         BeaconState::Base(_) | BeaconState::Altair(_) => None,
     };
@@ -457,12 +457,12 @@ pub fn get_execution_payload<T: BeaconChainTypes>(
 
 /// Prepares an execution payload for inclusion in a block.
 ///
-/// Will return `Ok(None)` if the merge fork has occurred, but a terminal block has not been found.
+/// Will return `Ok(None)` if the Bellatrix fork has occurred, but a terminal block has not been found.
 ///
 /// ## Errors
 ///
-/// Will return an error when using a pre-merge fork `state`. Ensure to only run this function
-/// after the merge fork.
+/// Will return an error when using a pre-Bellatrix fork `state`. Ensure to only run this function
+/// after the Bellatrix fork.
 ///
 /// ## Specification
 ///

beacon_node/beacon_chain/src/lib.rs

@@ -8,6 +8,7 @@ mod beacon_chain;
 mod beacon_fork_choice_store;
 pub mod beacon_proposer_cache;
 mod beacon_snapshot;
+pub mod bellatrix_readiness;
 pub mod blob_verification;
 pub mod block_reward;
 mod block_times_cache;
@@ -35,7 +36,6 @@ pub mod kzg_utils;
 pub mod light_client_finality_update_verification;
 pub mod light_client_optimistic_update_verification;
 mod light_client_server_cache;
-pub mod merge_readiness;
 pub mod metrics;
 pub mod migrate;
 mod naive_aggregation_pool;

beacon_node/beacon_chain/src/test_utils.rs

@@ -880,7 +880,7 @@ where
         let block_contents: SignedBlockContentsTuple<E> = match *signed_block {
             SignedBeaconBlock::Base(_)
             | SignedBeaconBlock::Altair(_)
-            | SignedBeaconBlock::Merge(_)
+            | SignedBeaconBlock::Bellatrix(_)
             | SignedBeaconBlock::Capella(_) => (signed_block, None),
             SignedBeaconBlock::Deneb(_) | SignedBeaconBlock::Electra(_) => {
                 (signed_block, block_response.blob_items)
@@ -944,7 +944,7 @@ where
         let block_contents: SignedBlockContentsTuple<E> = match *signed_block {
             SignedBeaconBlock::Base(_)
             | SignedBeaconBlock::Altair(_)
-            | SignedBeaconBlock::Merge(_)
+            | SignedBeaconBlock::Bellatrix(_)
             | SignedBeaconBlock::Capella(_) => (signed_block, None),
             SignedBeaconBlock::Deneb(_) | SignedBeaconBlock::Electra(_) => {
                 (signed_block, block_response.blob_items)