Update go to 1.19.3 (#11630)

* Update go to 1.19.3

* Update other items to 1.19

* Update golangci-lint to latest release

* Run gofmt -s with go1.19

* Huge gofmt changes

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>

.github/workflows/go.yml

@@ -26,10 +26,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Set up Go 1.18
+      - name: Set up Go 1.19
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - name: Run Gosec Security Scanner
         run: | # https://github.com/securego/gosec/issues/469
           export PATH=$PATH:$(go env GOPATH)/bin
@@ -43,16 +43,16 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Set up Go 1.18
+      - name: Set up Go 1.19
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
           id: go
 
       - name: Golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.47.2
+          version: v1.50.1
           args: --config=.golangci.yml --out-${NO_FUTURE}format colored-line-number
 
   build:
@@ -62,7 +62,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: 1.18
+          go-version: 1.19
         id: go
 
       - name: Check out code into the Go module directory

.golangci.yml

@@ -6,7 +6,7 @@ run:
     - proto
     - tools/analyzers
   timeout: 10m
-  go: '1.18'
+  go: '1.19'
 
 linters:
   disable-all: true

WORKSPACE

@@ -176,7 +176,7 @@ load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_depe
 go_rules_dependencies()
 
 go_register_toolchains(
-    go_version = "1.18.5",
+    go_version = "1.19.3",
     nogo = "@//:nogo",
 )
 

api/client/beacon/doc.go

@@ -1,6 +1,5 @@
 /*
 Package beacon provides a client for interacting with the standard Eth Beacon Node API.
 Interactive swagger documentation for the API is available here: https://ethereum.github.io/beacon-APIs/
-
 */
 package beacon

async/multilock.go

@@ -3,7 +3,9 @@ Copyright 2017 Albert Tedja
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
+
 	http://www.apache.org/licenses/LICENSE-2.0
+
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

async/multilock_test.go

@@ -3,7 +3,9 @@ Copyright 2017 Albert Tedja
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
+
 	http://www.apache.org/licenses/LICENSE-2.0
+
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

beacon-chain/blockchain/pow_block.go

@@ -22,6 +22,7 @@ import (
 // validateMergeBlock validates terminal block hash in the event of manual overrides before checking for total difficulty.
 //
 // def validate_merge_block(block: BeaconBlock) -> None:
+//
 //	if TERMINAL_BLOCK_HASH != Hash32():
 //	    # If `TERMINAL_BLOCK_HASH` is used as an override, the activation epoch must be reached.
 //	    assert compute_epoch_at_slot(block.slot) >= TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH
@@ -105,6 +106,7 @@ func (s *Service) getBlkParentHashAndTD(ctx context.Context, blkHash []byte) ([]
 // validateTerminalBlockHash validates if the merge block is a valid terminal PoW block.
 // spec code:
 // if TERMINAL_BLOCK_HASH != Hash32():
+//
 //	# If `TERMINAL_BLOCK_HASH` is used as an override, the activation epoch must be reached.
 //	assert compute_epoch_at_slot(block.slot) >= TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH
 //	assert block.body.execution_payload.parent_hash == TERMINAL_BLOCK_HASH
@@ -125,6 +127,7 @@ func validateTerminalBlockHash(blkSlot types.Slot, payload interfaces.ExecutionD
 // validateTerminalBlockDifficulties validates terminal pow block by comparing own total difficulty with parent's total difficulty.
 //
 // def is_valid_terminal_pow_block(block: PowBlock, parent: PowBlock) -> bool:
+//
 //	is_total_difficulty_reached = block.total_difficulty >= TERMINAL_TOTAL_DIFFICULTY
 //	is_parent_total_difficulty_valid = parent.total_difficulty < TERMINAL_TOTAL_DIFFICULTY
 //	return is_total_difficulty_reached and is_parent_total_difficulty_valid

beacon-chain/blockchain/process_attestation.go

@@ -19,6 +19,7 @@ import (
 // The delay is handled by the caller in `processAttestations`.
 //
 // Spec pseudocode definition:
+//
 //	def on_attestation(store: Store, attestation: Attestation) -> None:
 //	 """
 //	 Run ``on_attestation`` upon receiving a new ``attestation`` from either within a block or directly on the wire.

beacon-chain/blockchain/process_block.go

@@ -45,6 +45,7 @@ var initialSyncBlockCacheSize = uint64(2 * params.BeaconConfig().SlotsPerEpoch)
 // computation in this method and methods it calls into.
 //
 // Spec pseudocode definition:
+//
 //	def on_block(store: Store, signed_block: SignedBeaconBlock) -> None:
 //	 block = signed_block.message
 //	 # Parent block must be known

beacon-chain/blockchain/process_block_helpers.go

@@ -185,6 +185,7 @@ func (s *Service) updateFinalized(ctx context.Context, cp *ethpb.Checkpoint) err
 // ancestor returns the block root of an ancestry block from the input block root.
 //
 // Spec pseudocode definition:
+//
 //	def get_ancestor(store: Store, root: Root, slot: Slot) -> Root:
 //	 block = store.blocks[root]
 //	 if block.slot > slot:

beacon-chain/blockchain/process_block_test.go

@@ -446,8 +446,11 @@ func TestFillForkChoiceMissingBlocks_FinalizedSibling(t *testing.T) {
 }
 
 // blockTree1 constructs the following tree:
+//
 //	/- B1
+//
 // B0           /- B5 - B7
+//
 //	\- B3 - B4 - B6 - B8
 func blockTree1(t *testing.T, beaconDB db.Database, genesisRoot []byte) ([][]byte, error) {
 	genesisRoot = bytesutil.PadTo(genesisRoot, 32)

beacon-chain/core/altair/attestation.go

@@ -82,6 +82,7 @@ func ProcessAttestationNoVerifySignature(
 // the proposer in state.
 //
 // Spec code:
+//
 //	 # Update epoch participation flags
 //	if data.target.epoch == get_current_epoch(state):
 //	    epoch_participation = state.current_epoch_participation
@@ -157,6 +158,7 @@ func AddValidatorFlag(flag, flagPosition uint8) (uint8, error) {
 // EpochParticipation sets and returns the proposer reward numerator and epoch participation.
 //
 // Spec code:
+//
 //	proposer_reward_numerator = 0
 //	for index in get_attesting_indices(state, data, attestation.aggregation_bits):
 //	    for flag_index, weight in enumerate(PARTICIPATION_FLAG_WEIGHTS):
@@ -218,6 +220,7 @@ func EpochParticipation(beaconState state.BeaconState, indices []uint64, epochPa
 // RewardProposer rewards proposer by increasing proposer's balance with input reward numerator and calculated reward denominator.
 //
 // Spec code:
+//
 //	proposer_reward_denominator = (WEIGHT_DENOMINATOR - PROPOSER_WEIGHT) * WEIGHT_DENOMINATOR // PROPOSER_WEIGHT
 //	proposer_reward = Gwei(proposer_reward_numerator // proposer_reward_denominator)
 //	increase_balance(state, get_beacon_proposer_index(state), proposer_reward)
@@ -238,6 +241,7 @@ func RewardProposer(ctx context.Context, beaconState state.BeaconState, proposer
 //
 // Spec code:
 // def get_attestation_participation_flag_indices(state: BeaconState,
+//
 //	                                           data: AttestationData,
 //	                                           inclusion_delay: uint64) -> Sequence[int]:
 //	"""
@@ -304,6 +308,7 @@ func AttestationParticipationFlagIndices(beaconState state.BeaconState, data *et
 // MatchingStatus returns the matching statues for attestation data's source target and head.
 //
 // Spec code:
+//
 //	is_matching_source = data.source == justified_checkpoint
 //	is_matching_target = is_matching_source and data.target.root == get_block_root(state, data.target.epoch)
 //	is_matching_head = is_matching_target and data.beacon_block_root == get_block_root_at_slot(state, data.slot)

beacon-chain/core/altair/block.go

@@ -20,6 +20,7 @@ import (
 //
 // Spec code:
 // def process_sync_aggregate(state: BeaconState, sync_aggregate: SyncAggregate) -> None:
+//
 //	# Verify sync committee aggregate signature signing over the previous slot block root
 //	committee_pubkeys = state.current_sync_committee.pubkeys
 //	participant_pubkeys = [pubkey for pubkey, bit in zip(committee_pubkeys, sync_aggregate.sync_committee_bits) if bit]

beacon-chain/core/altair/epoch_precompute.go

@@ -68,6 +68,7 @@ func InitializePrecomputeValidators(ctx context.Context, beaconState state.Beaco
 // For fully inactive validators and perfect active validators, the effect is the same as before Altair.
 // For a validator is inactive and the chain fails to finalize, the inactivity score increases by a fixed number, the total loss after N epochs is proportional to N**2/2.
 // For imperfectly active validators. The inactivity score's behavior is specified by this function:
+//
 //	If a validator fails to submit an attestation with the correct target, their inactivity score goes up by 4.
 //	If they successfully submit an attestation with the correct source and target, their inactivity score drops by 1
 //	If the chain has recently finalized, each validator's score drops by 16.
@@ -132,6 +133,7 @@ func ProcessInactivityScores(
 // it also tracks and updates epoch attesting balances.
 // Spec code:
 // if epoch == get_current_epoch(state):
+//
 //	    epoch_participation = state.current_epoch_participation
 //	else:
 //	    epoch_participation = state.previous_epoch_participation

beacon-chain/core/altair/epoch_spec.go

@@ -14,6 +14,7 @@ import (
 //
 // Spec code:
 // def process_sync_committee_updates(state: BeaconState) -> None:
+//
 //	next_epoch = get_current_epoch(state) + Epoch(1)
 //	if next_epoch % EPOCHS_PER_SYNC_COMMITTEE_PERIOD == 0:
 //	    state.current_sync_committee = state.next_sync_committee
@@ -46,6 +47,7 @@ func ProcessSyncCommitteeUpdates(ctx context.Context, beaconState state.BeaconSt
 //
 // Spec code:
 // def process_participation_flag_updates(state: BeaconState) -> None:
+//
 //	state.previous_epoch_participation = state.current_epoch_participation
 //	state.current_epoch_participation = [ParticipationFlags(0b0000_0000) for _ in range(len(state.validators))]
 func ProcessParticipationFlagUpdates(beaconState state.BeaconState) (state.BeaconState, error) {

beacon-chain/core/altair/reward.go

@@ -13,6 +13,7 @@ import (
 // individual validator's base reward.
 //
 // Spec code:
+//
 //	def get_base_reward(state: BeaconState, index: ValidatorIndex) -> Gwei:
 //	  """
 //	  Return the base reward for the validator defined by ``index`` with respect to the current ``state``.
@@ -50,6 +51,7 @@ func BaseRewardWithTotalBalance(s state.ReadOnlyBeaconState, index types.Validat
 //
 // Spec code:
 // def get_base_reward_per_increment(state: BeaconState) -> Gwei:
+//
 //	return Gwei(EFFECTIVE_BALANCE_INCREMENT * BASE_REWARD_FACTOR // integer_squareroot(get_total_active_balance(state)))
 func BaseRewardPerIncrement(activeBalance uint64) (uint64, error) {
 	if activeBalance == 0 {

beacon-chain/core/altair/sync_committee.go

@@ -47,6 +47,7 @@ func ValidateNilSyncContribution(s *ethpb.SignedContributionAndProof) error {
 //
 // Spec code:
 // def get_next_sync_committee(state: BeaconState) -> SyncCommittee:
+//
 //	"""
 //	Return the next sync committee, with possible pubkey duplicates.
 //	"""
@@ -78,6 +79,7 @@ func NextSyncCommittee(ctx context.Context, s state.BeaconState) (*ethpb.SyncCom
 //
 // Spec code:
 // def get_next_sync_committee_indices(state: BeaconState) -> Sequence[ValidatorIndex]:
+//
 //	"""
 //	Return the sync committee indices, with possible duplicates, for the next sync committee.
 //	"""
@@ -144,6 +146,7 @@ func NextSyncCommitteeIndices(ctx context.Context, s state.BeaconState) ([]types
 // SyncSubCommitteePubkeys returns the pubkeys participating in a sync subcommittee.
 //
 // def get_sync_subcommittee_pubkeys(state: BeaconState, subcommittee_index: uint64) -> Sequence[BLSPubkey]:
+//
 //	# Committees assigned to `slot` sign for `slot - 1`
 //	# This creates the exceptional logic below when transitioning between sync committee periods
 //	next_slot_epoch = compute_epoch_at_slot(Slot(state.slot + 1))
@@ -172,6 +175,7 @@ func SyncSubCommitteePubkeys(syncCommittee *ethpb.SyncCommittee, subComIdx types
 // aggregator.
 //
 // def is_sync_committee_aggregator(signature: BLSSignature) -> bool:
+//
 //	modulo = max(1, SYNC_COMMITTEE_SIZE // SYNC_COMMITTEE_SUBNET_COUNT // TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE)
 //	return bytes_to_uint64(hash(signature)[0:8]) % modulo == 0
 func IsSyncCommitteeAggregator(sig []byte) (bool, error) {

beacon-chain/core/altair/transition.go

@@ -15,6 +15,7 @@ import (
 //
 // Spec code:
 // def process_epoch(state: BeaconState) -> None:
+//
 //	process_justification_and_finalization(state)  # [Modified in Altair]
 //	process_inactivity_updates(state)  # [New in Altair]
 //	process_rewards_and_penalties(state)  # [Modified in Altair]

beacon-chain/core/altair/upgrade.go

@@ -16,6 +16,7 @@ import (
 //
 // Spec code:
 // def upgrade_to_altair(pre: phase0.BeaconState) -> BeaconState:
+//
 //	epoch = phase0.get_current_epoch(pre)
 //	post = BeaconState(
 //	    # Versioning
@@ -126,6 +127,7 @@ func UpgradeToAltair(ctx context.Context, state state.BeaconState) (state.Beacon
 //
 // Spec code:
 // def translate_participation(state: BeaconState, pending_attestations: Sequence[phase0.PendingAttestation]) -> None:
+//
 //	for attestation in pending_attestations:
 //	    data = attestation.data
 //	    inclusion_delay = attestation.inclusion_delay

beacon-chain/core/blocks/attestation.go

@@ -185,6 +185,7 @@ func VerifyAttestationSignature(ctx context.Context, beaconState state.ReadOnlyB
 // VerifyIndexedAttestation determines the validity of an indexed attestation.
 //
 // Spec pseudocode definition:
+//
 //	def is_valid_indexed_attestation(state: BeaconState, indexed_attestation: IndexedAttestation) -> bool:
 //	  """
 //	  Check if ``indexed_attestation`` is not empty, has sorted and unique indices and has a valid aggregate signature.

beacon-chain/core/blocks/deposit.go

@@ -71,6 +71,7 @@ func ActivateValidatorWithEffectiveBalance(beaconState state.BeaconState, deposi
 // into the beacon chain.
 //
 // Spec pseudocode definition:
+//
 //	For each deposit in block.body.deposits:
 //	  process_deposit(state, deposit)
 func ProcessDeposits(
@@ -120,6 +121,7 @@ func BatchVerifyDepositsSignatures(ctx context.Context, deposits []*ethpb.Deposi
 //
 // Spec pseudocode definition:
 // def process_deposit(state: BeaconState, deposit: Deposit) -> None:
+//
 //	# Verify the Merkle branch
 //	assert is_valid_merkle_branch(
 //	    leaf=hash_tree_root(deposit.data),

beacon-chain/core/blocks/eth1_data.go

@@ -15,6 +15,7 @@ import (
 // into the beacon state.
 //
 // Official spec definition:
+//
 //	def process_eth1_data(state: BeaconState, body: BeaconBlockBody) -> None:
 //	 state.eth1_data_votes.append(body.eth1_data)
 //	 if state.eth1_data_votes.count(body.eth1_data) * 2 > EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH:

beacon-chain/core/blocks/exit.go

@@ -27,6 +27,7 @@ var ValidatorCannotExitYetMsg = "validator has not been active long enough to ex
 // should exit the state's validator registry.
 //
 // Spec pseudocode definition:
+//
 //	def process_voluntary_exit(state: BeaconState, signed_voluntary_exit: SignedVoluntaryExit) -> None:
 //	 voluntary_exit = signed_voluntary_exit.message
 //	 validator = state.validators[voluntary_exit.validator_index]
@@ -71,6 +72,7 @@ func ProcessVoluntaryExits(
 // VerifyExitAndSignature implements the spec defined validation for voluntary exits.
 //
 // Spec pseudocode definition:
+//
 //	def process_voluntary_exit(state: BeaconState, signed_voluntary_exit: SignedVoluntaryExit) -> None:
 //	 voluntary_exit = signed_voluntary_exit.message
 //	 validator = state.validators[voluntary_exit.validator_index]
@@ -117,6 +119,7 @@ func VerifyExitAndSignature(
 // verifyExitConditions implements the spec defined validation for voluntary exits(excluding signatures).
 //
 // Spec pseudocode definition:
+//
 //	def process_voluntary_exit(state: BeaconState, signed_voluntary_exit: SignedVoluntaryExit) -> None:
 //	 voluntary_exit = signed_voluntary_exit.message
 //	 validator = state.validators[voluntary_exit.validator_index]

beacon-chain/core/blocks/header.go

@@ -73,6 +73,7 @@ func ProcessBlockHeader(
 // using a unsigned block.
 //
 // Spec pseudocode definition:
+//
 //	def process_block_header(state: BeaconState, block: BeaconBlock) -> None:
 //	  # Verify that the slots match
 //	  assert block.slot == state.slot

beacon-chain/core/blocks/payload.go

@@ -25,6 +25,7 @@ var (
 //
 // Spec code:
 // def is_merge_transition_complete(state: BeaconState) -> bool:
+//
 //	return state.latest_execution_payload_header != ExecutionPayloadHeader()
 func IsMergeTransitionComplete(st state.BeaconState) (bool, error) {
 	if st == nil {
@@ -51,6 +52,7 @@ func IsMergeTransitionComplete(st state.BeaconState) (bool, error) {
 //
 // Spec code:
 // def is_execution_block(block: BeaconBlock) -> bool:
+//
 //	return block.body.execution_payload != ExecutionPayload()
 func IsExecutionBlock(body interfaces.BeaconBlockBody) (bool, error) {
 	if body == nil {
@@ -76,6 +78,7 @@ func IsExecutionBlock(body interfaces.BeaconBlockBody) (bool, error) {
 //
 // Spec code:
 // def is_execution_enabled(state: BeaconState, body: BeaconBlockBody) -> bool:
+//
 //	return is_merge_block(state, body) or is_merge_complete(state)
 func IsExecutionEnabled(st state.BeaconState, body interfaces.BeaconBlockBody) (bool, error) {
 	if st == nil || body == nil {
@@ -116,6 +119,7 @@ func IsPreBellatrixVersion(v int) bool {
 // These validation steps ONLY apply to post merge.
 //
 // Spec code:
+//
 //	# Verify consistency of the parent hash with respect to the previous execution payload header
 //	if is_merge_complete(state):
 //	    assert payload.parent_hash == state.latest_execution_payload_header.block_hash
@@ -141,6 +145,7 @@ func ValidatePayloadWhenMergeCompletes(st state.BeaconState, payload interfaces.
 // These validation steps apply to both pre merge and post merge.
 //
 // Spec code:
+//
 //	# Verify random
 //	assert payload.random == get_randao_mix(state, get_current_epoch(state))
 //	# Verify timestamp
@@ -170,6 +175,7 @@ func ValidatePayload(st state.BeaconState, payload interfaces.ExecutionData) err
 //
 // Spec code:
 // def process_execution_payload(state: BeaconState, payload: ExecutionPayload, execution_engine: ExecutionEngine) -> None:
+//
 //	# Verify consistency of the parent hash with respect to the previous execution payload header
 //	if is_merge_complete(state):
 //	    assert payload.parent_hash == state.latest_execution_payload_header.block_hash

beacon-chain/core/blocks/randao.go

@@ -17,6 +17,7 @@ import (
 // in the beacon state's latest randao mixes slice.
 //
 // Spec pseudocode definition:
+//
 //	def process_randao(state: BeaconState, body: BeaconBlockBody) -> None:
 //	 epoch = get_current_epoch(state)
 //	 # Verify RANDAO reveal
@@ -56,6 +57,7 @@ func ProcessRandao(
 // in the beacon state's latest randao mixes slice.
 //
 // Spec pseudocode definition:
+//
 //	# Mix it in
 //	state.latest_randao_mixes[get_current_epoch(state) % LATEST_RANDAO_MIXES_LENGTH] = (
 //	    xor(get_randao_mix(state, get_current_epoch(state)),

beacon-chain/core/blocks/withdrawals.go

@@ -24,6 +24,7 @@ const executionToBLSPadding = 12
 // Spec pseudocode definition:
 //
 // def process_bls_to_execution_change(state: BeaconState, signed_address_change: SignedBLSToExecutionChange) -> None:
+//
 //	validator = state.validators[address_change.validator_index]
 //
 //	assert validator.withdrawal_credentials[:1] == BLS_WITHDRAWAL_PREFIX
@@ -38,7 +39,6 @@ const executionToBLSPadding = 12
 //	    + b'\x00' * 11
 //	    + address_change.to_execution_address
 //	)
-//
 func ProcessBLSToExecutionChange(st state.BeaconState, signed *ethpb.SignedBLSToExecutionChange) (state.BeaconState, error) {
 	if signed == nil {
 		return st, errNilSignedWithdrawalMessage

beacon-chain/core/epoch/epoch_processing.go

@@ -49,6 +49,7 @@ func (s sortableIndices) Less(i, j int) bool {
 // need to get attesting balance from attestations.
 //
 // Spec pseudocode definition:
+//
 //	def get_attesting_balance(state: BeaconState, attestations: Sequence[PendingAttestation]) -> Gwei:
 //	  """
 //	  Return the combined effective balance of the set of unslashed validators participating in ``attestations``.
@@ -67,6 +68,7 @@ func AttestingBalance(ctx context.Context, state state.ReadOnlyBeaconState, atts
 // the amount to rotate is determined churn limit.
 //
 // Spec pseudocode definition:
+//
 //	def process_registry_updates(state: BeaconState) -> None:
 //	 # Process activation eligibility and ejections
 //	 for index, validator in enumerate(state.validators):
@@ -207,6 +209,7 @@ func ProcessSlashings(state state.BeaconState, slashingMultiplier uint64) (state
 // ProcessEth1DataReset processes updates to ETH1 data votes during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_eth1_data_reset(state: BeaconState) -> None:
 //	  next_epoch = Epoch(get_current_epoch(state) + 1)
 //	  # Reset eth1 data votes
@@ -229,6 +232,7 @@ func ProcessEth1DataReset(state state.BeaconState) (state.BeaconState, error) {
 // ProcessEffectiveBalanceUpdates processes effective balance updates during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_effective_balance_updates(state: BeaconState) -> None:
 //	  # Update effective balances with hysteresis
 //	  for index, validator in enumerate(state.validators):
@@ -285,6 +289,7 @@ func ProcessEffectiveBalanceUpdates(state state.BeaconState) (state.BeaconState,
 // ProcessSlashingsReset processes the total slashing balances updates during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_slashings_reset(state: BeaconState) -> None:
 //	  next_epoch = Epoch(get_current_epoch(state) + 1)
 //	  # Reset slashings
@@ -314,6 +319,7 @@ func ProcessSlashingsReset(state state.BeaconState) (state.BeaconState, error) {
 // ProcessRandaoMixesReset processes the final updates to RANDAO mix during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_randao_mixes_reset(state: BeaconState) -> None:
 //	  current_epoch = get_current_epoch(state)
 //	  next_epoch = Epoch(current_epoch + 1)
@@ -346,6 +352,7 @@ func ProcessRandaoMixesReset(state state.BeaconState) (state.BeaconState, error)
 // ProcessHistoricalRootsUpdate processes the updates to historical root accumulator during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_historical_roots_update(state: BeaconState) -> None:
 //	  # Set historical root accumulator
 //	  next_epoch = Epoch(get_current_epoch(state) + 1)
@@ -378,6 +385,7 @@ func ProcessHistoricalRootsUpdate(state state.BeaconState) (state.BeaconState, e
 // ProcessParticipationRecordUpdates rotates current/previous epoch attestations during epoch processing.
 //
 // Spec pseudocode definition:
+//
 //	def process_participation_record_updates(state: BeaconState) -> None:
 //	  # Rotate current/previous epoch attestations
 //	  state.previous_epoch_attestations = state.current_epoch_attestations
@@ -436,6 +444,7 @@ func ProcessFinalUpdates(state state.BeaconState) (state.BeaconState, error) {
 // it sorts the indices and filters out the slashed ones.
 //
 // Spec pseudocode definition:
+//
 //	def get_unslashed_attesting_indices(state: BeaconState,
 //	                                  attestations: Sequence[PendingAttestation]) -> Set[ValidatorIndex]:
 //	  output = set()  # type: Set[ValidatorIndex]

beacon-chain/core/epoch/precompute/justification_finalization.go

@@ -42,6 +42,7 @@ func UnrealizedCheckpoints(st state.BeaconState) (uint64, *ethpb.Checkpoint, *et
 // Note: this is an optimized version by passing in precomputed total and attesting balances.
 //
 // Spec pseudocode definition:
+//
 //	def process_justification_and_finalization(state: BeaconState) -> None:
 //	  # Initial FFG checkpoint values have a `0x00` stub for `root`.
 //	  # Skip FFG updates in the first two epochs to avoid corner cases that might result in modifying this stub.
@@ -113,6 +114,7 @@ func weighJustificationAndFinalization(state state.BeaconState, newBits bitfield
 // checkpoints at epoch transition
 // Spec pseudocode definition:
 // def weigh_justification_and_finalization(state: BeaconState,
+//
 //	                                     total_active_balance: Gwei,
 //	                                     previous_epoch_target_balance: Gwei,
 //	                                     current_epoch_target_balance: Gwei) -> None:

beacon-chain/core/epoch/precompute/reward_penalty_test.go

@@ -358,6 +358,7 @@ func TestProposerDeltaPrecompute_SlashedCase(t *testing.T) {
 // individual validator's base reward quotient.
 //
 // Spec pseudocode definition:
+//
 //	def get_base_reward(state: BeaconState, index: ValidatorIndex) -> Gwei:
 //	  total_balance = get_total_active_balance(state)
 //	  effective_balance = state.validators[index].effective_balance

beacon-chain/core/helpers/beacon_committee.go

@@ -35,6 +35,7 @@ var (
 // count.
 //
 // Spec pseudocode definition:
+//
 //	def get_committee_count_per_slot(state: BeaconState, epoch: Epoch) -> uint64:
 //	 """
 //	 Return the number of committees in each slot for the given ``epoch``.
@@ -61,6 +62,7 @@ func SlotCommitteeCount(activeValidatorCount uint64) uint64 {
 // becomes expensive, consider using BeaconCommittee below.
 //
 // Spec pseudocode definition:
+//
 //	def get_beacon_committee(state: BeaconState, slot: Slot, index: CommitteeIndex) -> Sequence[ValidatorIndex]:
 //	 """
 //	 Return the beacon committee at ``slot`` for ``index``.
@@ -101,6 +103,7 @@ func BeaconCommitteeFromState(ctx context.Context, state state.ReadOnlyBeaconSta
 // from the spec definition. Having them as an argument allows for cheaper computation run time.
 //
 // Spec pseudocode definition:
+//
 //	def get_beacon_committee(state: BeaconState, slot: Slot, index: CommitteeIndex) -> Sequence[ValidatorIndex]:
 //	 """
 //	 Return the beacon committee at ``slot`` for ``index``.
@@ -381,6 +384,7 @@ func ClearCache() {
 // validator indices and seed.
 //
 // Spec pseudocode definition:
+//
 //	def compute_committee(indices: Sequence[ValidatorIndex],
 //	                    seed: Bytes32,
 //	                    index: uint64,

beacon-chain/core/helpers/block.go

@@ -14,6 +14,7 @@ import (
 // It returns an error if the requested block root is not within the slot range.
 //
 // Spec pseudocode definition:
+//
 //	def get_block_root_at_slot(state: BeaconState, slot: Slot) -> Root:
 //	  """
 //	  Return the block root at a recent ``slot``.
@@ -42,6 +43,7 @@ func StateRootAtSlot(state state.ReadOnlyBeaconState, slot types.Slot) ([]byte,
 // BlockRoot returns the block root stored in the BeaconState for epoch start slot.
 //
 // Spec pseudocode definition:
+//
 //	def get_block_root(state: BeaconState, epoch: Epoch) -> Root:
 //	  """
 //	  Return the block root at the start of a recent ``epoch``.

beacon-chain/core/helpers/randao.go

@@ -12,6 +12,7 @@ import (
 // Seed returns the randao seed used for shuffling of a given epoch.
 //
 // Spec pseudocode definition:
+//
 //	def get_seed(state: BeaconState, epoch: Epoch, domain_type: DomainType) -> Bytes32:
 //	  """
 //	  Return the seed at ``epoch``.
@@ -40,6 +41,7 @@ func Seed(state state.ReadOnlyBeaconState, epoch types.Epoch, domain [bls.Domain
 // of a given slot. It is used to shuffle validators.
 //
 // Spec pseudocode definition:
+//
 //	def get_randao_mix(state: BeaconState, epoch: Epoch) -> Bytes32:
 //	 """
 //	 Return the randao mix at a recent ``epoch``.

beacon-chain/core/helpers/rewards_penalties.go

@@ -17,6 +17,7 @@ var balanceCache = cache.NewEffectiveBalanceCache()
 // of input validators.
 //
 // Spec pseudocode definition:
+//
 //	def get_total_balance(state: BeaconState, indices: Set[ValidatorIndex]) -> Gwei:
 //	 """
 //	 Return the combined effective balance of the ``indices``.
@@ -47,6 +48,7 @@ func TotalBalance(state state.ReadOnlyValidators, indices []types.ValidatorIndex
 // of active validators.
 //
 // Spec pseudocode definition:
+//
 //	def get_total_active_balance(state: BeaconState) -> Gwei:
 //	 """
 //	 Return the combined effective balance of the active validators.
@@ -88,6 +90,7 @@ func TotalActiveBalance(s state.ReadOnlyBeaconState) (uint64, error) {
 // IncreaseBalance increases validator with the given 'index' balance by 'delta' in Gwei.
 //
 // Spec pseudocode definition:
+//
 //	def increase_balance(state: BeaconState, index: ValidatorIndex, delta: Gwei) -> None:
 //	  """
 //	  Increase the validator balance at index ``index`` by ``delta``.
@@ -110,6 +113,7 @@ func IncreaseBalance(state state.BeaconState, idx types.ValidatorIndex, delta ui
 // the post balance.
 //
 // Spec pseudocode definition:
+//
 //	def increase_balance(state: BeaconState, index: ValidatorIndex, delta: Gwei) -> None:
 //	  """
 //	  Increase the validator balance at index ``index`` by ``delta``.
@@ -122,6 +126,7 @@ func IncreaseBalanceWithVal(currBalance, delta uint64) (uint64, error) {
 // DecreaseBalance decreases validator with the given 'index' balance by 'delta' in Gwei.
 //
 // Spec pseudocode definition:
+//
 //	def decrease_balance(state: BeaconState, index: ValidatorIndex, delta: Gwei) -> None:
 //	  """
 //	  Decrease the validator balance at index ``index`` by ``delta``, with underflow protection.
@@ -140,6 +145,7 @@ func DecreaseBalance(state state.BeaconState, idx types.ValidatorIndex, delta ui
 // the post balance.
 //
 // Spec pseudocode definition:
+//
 //	def decrease_balance(state: BeaconState, index: ValidatorIndex, delta: Gwei) -> None:
 //	  """
 //	  Decrease the validator balance at index ``index`` by ``delta``, with underflow protection.
@@ -156,6 +162,7 @@ func DecreaseBalanceWithVal(currBalance, delta uint64) uint64 {
 //
 // Spec code:
 // def is_in_inactivity_leak(state: BeaconState) -> bool:
+//
 //	return get_finality_delay(state) > MIN_EPOCHS_TO_INACTIVITY_PENALTY
 func IsInInactivityLeak(prevEpoch, finalizedEpoch types.Epoch) bool {
 	return FinalityDelay(prevEpoch, finalizedEpoch) > params.BeaconConfig().MinEpochsToInactivityPenalty
@@ -165,6 +172,7 @@ func IsInInactivityLeak(prevEpoch, finalizedEpoch types.Epoch) bool {
 //
 // Spec code:
 // def get_finality_delay(state: BeaconState) -> uint64:
+//
 //	return get_previous_epoch(state) - state.finalized_checkpoint.epoch
 func FinalityDelay(prevEpoch, finalizedEpoch types.Epoch) types.Epoch {
 	return prevEpoch - finalizedEpoch

beacon-chain/core/helpers/shuffle.go

@@ -31,7 +31,7 @@ func SplitIndices(l []uint64, n uint64) [][]uint64 {
 	return divided
 }
 
-// ShuffledIndex returns `p(index)` in a pseudorandom permutation `p` of `0...list_size - 1` with ``seed`` as entropy.
+// ShuffledIndex returns `p(index)` in a pseudorandom permutation `p` of `0...list_size - 1` with “seed“ as entropy.
 // We utilize 'swap or not' shuffling in this implementation; we are allocating the memory with the seed that stays
 // constant between iterations instead of reallocating it each iteration as in the spec. This implementation is based
 // on the original implementation from protolambda, https://github.com/protolambda/eth2-shuffle
@@ -47,6 +47,7 @@ func UnShuffledIndex(index types.ValidatorIndex, indexCount uint64, seed [32]byt
 
 // ComputeShuffledIndex returns the shuffled validator index corresponding to seed and index count.
 // Spec pseudocode definition:
+//
 //	def compute_shuffled_index(index: uint64, index_count: uint64, seed: Bytes32) -> uint64:
 //	 """
 //	 Return the shuffled index corresponding to ``seed`` (and ``index_count``).
@@ -135,10 +136,11 @@ func ComputeShuffledIndex(index types.ValidatorIndex, indexCount uint64, seed [3
 	return index, nil
 }
 
-// ShuffleList returns list of shuffled indexes in a pseudorandom permutation `p` of `0...list_size - 1` with ``seed`` as entropy.
+// ShuffleList returns list of shuffled indexes in a pseudorandom permutation `p` of `0...list_size - 1` with “seed“ as entropy.
 // We utilize 'swap or not' shuffling in this implementation; we are allocating the memory with the seed that stays
 // constant between iterations instead of reallocating it each iteration as in the spec. This implementation is based
 // on the original implementation from protolambda, https://github.com/protolambda/eth2-shuffle
+//
 //	improvements:
 //	 - seed is always the first 32 bytes of the hash input, we just copy it into the buffer one time.
 //	 - add round byte to seed and hash that part of the buffer.

beacon-chain/core/helpers/validators.go

@@ -28,6 +28,7 @@ var CommitteeCacheInProgressHit = promauto.NewCounter(prometheus.CounterOpts{
 // is active or not.
 //
 // Spec pseudocode definition:
+//
 //	def is_active_validator(validator: Validator, epoch: Epoch) -> bool:
 //	  """
 //	  Check if ``validator`` is active.
@@ -50,6 +51,7 @@ func checkValidatorActiveStatus(activationEpoch, exitEpoch, epoch types.Epoch) b
 // is slashable or not.
 //
 // Spec pseudocode definition:
+//
 //	def is_slashable_validator(validator: Validator, epoch: Epoch) -> bool:
 //	"""
 //	Check if ``validator`` is slashable.
@@ -78,6 +80,7 @@ func checkValidatorSlashable(activationEpoch, withdrawableEpoch types.Epoch, sla
 // need the active validator indices for some specific reason.
 //
 // Spec pseudocode definition:
+//
 //	def get_active_validator_indices(state: BeaconState, epoch: Epoch) -> Sequence[ValidatorIndex]:
 //	  """
 //	  Return the sequence of active validator indices at ``epoch``.
@@ -186,6 +189,7 @@ func ActiveValidatorCount(ctx context.Context, s state.ReadOnlyBeaconState, epoc
 // the validator is eligible for activation and exit.
 //
 // Spec pseudocode definition:
+//
 //	def compute_activation_exit_epoch(epoch: Epoch) -> Epoch:
 //	  """
 //	  Return the epoch during which validator activations and exits initiated in ``epoch`` take effect.
@@ -199,6 +203,7 @@ func ActivationExitEpoch(epoch types.Epoch) types.Epoch {
 // enter and exit validator pool for an epoch.
 //
 // Spec pseudocode definition:
+//
 //	def get_validator_churn_limit(state: BeaconState) -> uint64:
 //	 """
 //	 Return the validator churn limit for the current epoch.
@@ -216,6 +221,7 @@ func ValidatorChurnLimit(activeValidatorCount uint64) (uint64, error) {
 // BeaconProposerIndex returns proposer index of a current slot.
 //
 // Spec pseudocode definition:
+//
 //	def get_beacon_proposer_index(state: BeaconState) -> ValidatorIndex:
 //	  """
 //	  Return the beacon proposer index at the current slot.
@@ -274,6 +280,7 @@ func BeaconProposerIndex(ctx context.Context, state state.ReadOnlyBeaconState) (
 // ComputeProposerIndex returns the index sampled by effective balance, which is used to calculate proposer.
 //
 // Spec pseudocode definition:
+//
 //	def compute_proposer_index(state: BeaconState, indices: Sequence[ValidatorIndex], seed: Bytes32) -> ValidatorIndex:
 //	  """
 //	  Return from ``indices`` a random index sampled by effective balance.
@@ -324,6 +331,7 @@ func ComputeProposerIndex(bState state.ReadOnlyValidators, activeIndices []types
 // be placed into the activation queue.
 //
 // Spec pseudocode definition:
+//
 //	def is_eligible_for_activation_queue(validator: Validator) -> bool:
 //	  """
 //	  Check if ``validator`` is eligible to be placed into the activation queue.
@@ -351,6 +359,7 @@ func isEligibileForActivationQueue(activationEligibilityEpoch types.Epoch, effec
 // IsEligibleForActivation checks if the validator is eligible for activation.
 //
 // Spec pseudocode definition:
+//
 //	def is_eligible_for_activation(state: BeaconState, validator: Validator) -> bool:
 //	  """
 //	  Check if ``validator`` is eligible for activation.

beacon-chain/core/helpers/weak_subjectivity.go

@@ -25,6 +25,7 @@ import (
 // https://github.com/ethereum/consensus-specs/blob/master/specs/phase0/weak-subjectivity.md#calculating-the-weak-subjectivity-period
 //
 // def compute_weak_subjectivity_period(state: BeaconState) -> uint64:
+//
 //	"""
 //	Returns the weak subjectivity period for the current ``state``.
 //	This computation takes into account the effect of:
@@ -114,6 +115,7 @@ func ComputeWeakSubjectivityPeriod(ctx context.Context, st state.ReadOnlyBeaconS
 // https://github.com/ethereum/consensus-specs/blob/master/specs/phase0/weak-subjectivity.md#checking-for-stale-weak-subjectivity-checkpoint
 //
 // def is_within_weak_subjectivity_period(store: Store, ws_state: BeaconState, ws_checkpoint: Checkpoint) -> bool:
+//
 //	# Clients may choose to validate the input state against the input Weak Subjectivity Checkpoint
 //	assert ws_state.latest_block_header.state_root == ws_checkpoint.root
 //	assert compute_epoch_at_slot(ws_state.slot) == ws_checkpoint.epoch

beacon-chain/core/signing/domain.go

@@ -10,6 +10,7 @@ import (
 // Domain returns the domain version for BLS private key to sign and verify.
 //
 // Spec pseudocode definition:
+//
 //	def get_domain(state: BeaconState, domain_type: DomainType, epoch: Epoch=None) -> Domain:
 //	  """
 //	  Return the signature domain (fork version concatenated with domain type) of a message.

beacon-chain/core/signing/signing_root.go

@@ -37,6 +37,7 @@ func ComputeDomainAndSign(st state.ReadOnlyBeaconState, epoch types.Epoch, obj f
 // ComputeSigningRoot computes the root of the object by calculating the hash tree root of the signing data with the given domain.
 //
 // Spec pseudocode definition:
+//
 //		def compute_signing_root(ssz_object: SSZObject, domain: Domain) -> Root:
 //	   """
 //	   Return the signing root for the corresponding signing data.
@@ -160,6 +161,7 @@ func BlockSignatureBatch(pub, signature, domain []byte, rootFunc func() ([32]byt
 // array as the fork version.
 //
 // def compute_domain(domain_type: DomainType, fork_version: Version=None, genesis_validators_root: Root=None) -> Domain:
+//
 //	"""
 //	Return the domain for the ``domain_type`` and ``fork_version``.
 //	"""
@@ -195,10 +197,11 @@ func domain(domainType [DomainByteLength]byte, forkDataRoot []byte) []byte {
 	return b
 }
 
-// this returns the 32byte fork data root for the ``current_version`` and ``genesis_validators_root``.
+// this returns the 32byte fork data root for the “current_version“ and “genesis_validators_root“.
 // This is used primarily in signature domains to avoid collisions across forks/chains.
 //
 // Spec pseudocode definition:
+//
 //		def compute_fork_data_root(current_version: Version, genesis_validators_root: Root) -> Root:
 //	   """
 //	   Return the 32-byte fork data root for the ``current_version`` and ``genesis_validators_root``.
@@ -222,6 +225,7 @@ func computeForkDataRoot(version, root []byte) ([32]byte, error) {
 // ComputeForkDigest returns the fork for the current version and genesis validators root
 //
 // Spec pseudocode definition:
+//
 //		def compute_fork_digest(current_version: Version, genesis_validators_root: Root) -> ForkDigest:
 //	   """
 //	   Return the 4-byte fork digest for the ``current_version`` and ``genesis_validators_root``.

beacon-chain/core/time/slot_epoch.go

@@ -12,6 +12,7 @@ import (
 // the slot number stored in beacon state.
 //
 // Spec pseudocode definition:
+//
 //	def get_current_epoch(state: BeaconState) -> Epoch:
 //	  """
 //	  Return the current epoch.
@@ -26,6 +27,7 @@ func CurrentEpoch(state state.ReadOnlyBeaconState) types.Epoch {
 // underflow condition.
 //
 // Spec pseudocode definition:
+//
 //	def get_previous_epoch(state: BeaconState) -> Epoch:
 //	  """`
 //	  Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
@@ -83,6 +85,7 @@ func CanUpgradeToCapella(slot types.Slot) bool {
 // The epoch can be processed at the end of the last slot of every epoch.
 //
 // Spec pseudocode definition:
+//
 //	If (state.slot + 1) % SLOTS_PER_EPOCH == 0:
 func CanProcessEpoch(state state.ReadOnlyBeaconState) bool {
 	return (state.Slot()+1)%params.BeaconConfig().SlotsPerEpoch == 0

beacon-chain/core/transition/state.go

@@ -17,6 +17,7 @@ import (
 // full deposits were made to the deposit contract and the ChainStart log gets emitted.
 //
 // Spec pseudocode definition:
+//
 //	def initialize_beacon_state_from_eth1(eth1_block_hash: Bytes32,
 //	                                    eth1_timestamp: uint64,
 //	                                    deposits: Sequence[Deposit]) -> BeaconState:
@@ -52,6 +53,7 @@ import (
 //	  state.genesis_validators_root = hash_tree_root(state.validators)
 //
 //	  return state
+//
 // This method differs from the spec so as to process deposits beforehand instead of the end of the function.
 func GenesisBeaconState(ctx context.Context, deposits []*ethpb.Deposit, genesisTime uint64, eth1Data *ethpb.Eth1Data) (state.BeaconState, error) {
 	st, err := EmptyGenesisState()
@@ -211,12 +213,14 @@ func EmptyGenesisState() (state.BeaconState, error) {
 // if the minimum genesis time arrived already.
 //
 // Spec pseudocode definition:
+//
 //	def is_valid_genesis_state(state: BeaconState) -> bool:
 //	   if state.genesis_time < MIN_GENESIS_TIME:
 //	       return False
 //	   if len(get_active_validator_indices(state, GENESIS_EPOCH)) < MIN_GENESIS_ACTIVE_VALIDATOR_COUNT:
 //	       return False
 //	   return True
+//
 // This method has been modified from the spec to allow whole states not to be saved
 // but instead only cache the relevant information.
 func IsValidGenesisState(chainStartDepositCount, currentTime uint64) bool {

beacon-chain/core/transition/transition.go

@@ -33,6 +33,7 @@ import (
 // See: ExecuteStateTransitionNoVerifyAnySig
 //
 // Spec pseudocode definition:
+//
 //	def state_transition(state: BeaconState, signed_block: SignedBeaconBlock, validate_result: bool=True) -> None:
 //	  block = signed_block.message
 //	  # Process slots (including those with no blocks) since block
@@ -177,6 +178,7 @@ func ProcessSlotsIfPossible(ctx context.Context, state state.BeaconState, target
 // ProcessSlots process through skip slots and apply epoch transition when it's needed
 //
 // Spec pseudocode definition:
+//
 //	def process_slots(state: BeaconState, slot: Slot) -> None:
 //	  assert state.slot < slot
 //	  while state.slot < slot:

beacon-chain/core/transition/transition_no_verify_sig.go

@@ -28,6 +28,7 @@ import (
 // This method also modifies the passed in state.
 //
 // Spec pseudocode definition:
+//
 //	def state_transition(state: BeaconState, signed_block: SignedBeaconBlock, validate_result: bool=True) -> None:
 //	  block = signed_block.message
 //	  # Process slots (including those with no blocks) since block
@@ -94,6 +95,7 @@ func ExecuteStateTransitionNoVerifyAnySig(
 // This is used for proposer to compute state root before proposing a new block, and this does not modify state.
 //
 // Spec pseudocode definition:
+//
 //	def state_transition(state: BeaconState, signed_block: SignedBeaconBlock, validate_result: bool=True) -> None:
 //	  block = signed_block.message
 //	  # Process slots (including those with no blocks) since block
@@ -260,6 +262,7 @@ func ProcessOperationsNoVerifyAttsSigs(
 //
 // Spec pseudocode definition:
 // def process_block(state: BeaconState, block: BeaconBlock) -> None:
+//
 //	process_block_header(state, block)
 //	if is_execution_enabled(state, block.body):
 //	    process_execution_payload(state, block.body.execution_payload, EXECUTION_ENGINE)  # [New in Bellatrix]

beacon-chain/core/validators/validator.go

@@ -22,6 +22,7 @@ import (
 // validator with correct voluntary exit parameters.
 //
 // Spec pseudocode definition:
+//
 //	def initiate_validator_exit(state: BeaconState, index: ValidatorIndex) -> None:
 //	  """
 //	  Initiate the exit of the validator with index ``index``.
@@ -114,6 +115,7 @@ func InitiateValidatorExit(ctx context.Context, s state.BeaconState, idx types.V
 // the whistleblower's balance.
 //
 // Spec pseudocode definition:
+//
 //	def slash_validator(state: BeaconState,
 //	                  slashed_index: ValidatorIndex,
 //	                  whistleblower_index: ValidatorIndex=None) -> None:

beacon-chain/db/kv/finalized_block_roots_test.go

@@ -76,7 +76,9 @@ func TestStore_IsFinalizedBlockGenesis(t *testing.T) {
 // Example:
 // 0    1  2  3   4     5   6     slot
 // a <- b <-- d <- e <- f <- g    roots
+//
 //	^- c
+//
 // Imagine that epochs are 2 slots and that epoch 1, 2, and 3 are finalized. Checkpoint roots would
 // be c, e, and g. In this scenario, c was a finalized checkpoint root but no block built upon it so
 // it should not be considered "final and canonical" in the view at slot 6.

beacon-chain/execution/engine_client.go

@@ -214,6 +214,7 @@ func (s *Service) ExchangeTransitionConfiguration(
 //
 // Spec code:
 // def get_pow_block_at_terminal_total_difficulty(pow_chain: Dict[Hash32, PowBlock]) -> Optional[PowBlock]:
+//
 //	# `pow_chain` abstractly represents all blocks in the PoW chain
 //	for block in pow_chain:
 //	    parent = pow_chain[block.parent_hash]

beacon-chain/forkchoice/doubly-linked-tree/on_tick.go

@@ -15,6 +15,7 @@ import (
 // This should only be called at the start of every slot interval.
 //
 // Spec pseudocode definition:
+//
 //	# Reset store.proposer_boost_root if this is a new slot
 //	if current_slot > previous_slot:
 //	    store.proposer_boost_root = Root()

beacon-chain/forkchoice/doubly-linked-tree/optimistic_sync_test.go

@@ -22,7 +22,6 @@ import (
 //	       J        -- K -- L
 //
 // And every block in the Fork choice is optimistic.
-//
 func TestPruneInvalid(t *testing.T) {
 	tests := []struct {
 		root             [32]byte // the root of the new INVALID block
@@ -290,8 +289,8 @@ func TestSetOptimisticToInvalid_CorrectChildren(t *testing.T) {
 //	 \          \--------------E
 //	  \
 //	   ----------------------F -- G
-// B is INVALID
 //
+// B is INVALID
 func TestSetOptimisticToInvalid_ForkAtMerge(t *testing.T) {
 	ctx := context.Background()
 	f := setup(1, 1)
@@ -343,8 +342,8 @@ func TestSetOptimisticToInvalid_ForkAtMerge(t *testing.T) {
 //	 \           \--------------E
 //	  \
 //	   --A -------------------------F -- G
-// B is INVALID
 //
+// B is INVALID
 func TestSetOptimisticToInvalid_ForkAtMerge_bis(t *testing.T) {
 	ctx := context.Background()
 	f := setup(1, 1)

beacon-chain/forkchoice/doubly-linked-tree/store_test.go

@@ -217,6 +217,7 @@ func TestStore_Prune_ReturnEarly(t *testing.T) {
 //
 //   - 1
 //     /
+//
 // -- 0 -- 2
 //
 // And we finalize 1. As a result only 1 should survive
@@ -246,8 +247,6 @@ func TestStore_Prune_NoDanglingBranch(t *testing.T) {
 //	A -- B        G -- H -- I
 //	      \        \
 //	       J        -- K -- L
-//
-//
 func TestStore_tips(t *testing.T) {
 	ctx := context.Background()
 	f := setup(1, 1)

beacon-chain/forkchoice/doubly-linked-tree/unrealized_justification_test.go

@@ -53,17 +53,18 @@ func TestStore_UpdateUnrealizedCheckpoints(t *testing.T) {
 
 }
 
-//
 // Epoch 2    |   Epoch 3
+//
 //	    |
 //	  C |
 //	/   |
+//
 // A <-- B    |
+//
 //	\   |
 //	  ---- D
 //
 // B is the first block that justifies A.
-//
 func TestStore_LongFork(t *testing.T) {
 	f := setup(1, 1)
 	ctx := context.Background()
@@ -104,18 +105,17 @@ func TestStore_LongFork(t *testing.T) {
 	require.Equal(t, [32]byte{'c'}, headRoot)
 }
 
-//
-//
 //	Epoch 1                Epoch 2               Epoch 3
 //	                |                      |
 //	                |                      |
+//
 // A <-- B <-- C <-- D <-- E <-- F <-- G <-- H |
+//
 //	|        \             |
 //	|         --------------- I
 //	|                      |
 //
 // E justifies A. G justifies E.
-//
 func TestStore_NoDeadLock(t *testing.T) {
 	f := setup(0, 0)
 	ctx := context.Background()
@@ -197,7 +197,6 @@ func TestStore_NoDeadLock(t *testing.T) {
 //	                 |
 //
 // D justifies and comes late.
-//
 func TestStore_ForkNextEpoch(t *testing.T) {
 	resetCfg := features.InitWithReset(&features.Flags{
 		EnableDefensivePull: true,

beacon-chain/rpc/eth/node/node.go

@@ -283,6 +283,7 @@ func (ns *Server) GetSyncStatus(ctx context.Context, _ *emptypb.Empty) (*ethpb.S
 
 // GetHealth returns node health status in http status codes. Useful for load balancers.
 // Response Usage:
+//
 //	"200":
 //	  description: Node is ready
 //	"206":

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_execution_payload.go

@@ -186,6 +186,7 @@ func warnIfFeeRecipientDiffers(payload *enginev1.ExecutionPayload, feeRecipient
 //
 // Spec code:
 // def get_terminal_pow_block(pow_chain: Dict[Hash32, PowBlock]) -> Optional[PowBlock]:
+//
 //	if TERMINAL_BLOCK_HASH != Hash32():
 //	    # Terminal block hash override takes precedence over terminal total difficulty
 //	    if TERMINAL_BLOCK_HASH in pow_chain:
@@ -214,6 +215,7 @@ func (vs *Server) getTerminalBlockHashIfExists(ctx context.Context, transitionTi
 
 // activationEpochNotReached returns true if activation epoch has not been reach.
 // Which satisfy the following conditions in spec:
+//
 //	  is_terminal_block_hash_set = TERMINAL_BLOCK_HASH != Hash32()
 //	  is_activation_epoch_reached = get_current_epoch(state) >= TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH
 //	  if is_terminal_block_hash_set and not is_activation_epoch_reached:

beacon-chain/slasher/chunks.go

@@ -301,7 +301,6 @@ func (m *MaxSpanChunksSlice) CheckSlashable(
 // 4 down to 3. First, we find out which chunk epoch 4 falls into, which is calculated as:
 // chunk_idx = (epoch % H) / C = (4 % 2) / 2 = 0
 //
-//
 //	                                  val0    val1    val2
 //	                                  {  }    {  }    {  }
 //	chunk_0_for_validators_0_to_3 = [[2, 2], [2, 2], [2, 2]]

beacon-chain/slasher/params.go

@@ -47,7 +47,6 @@ func DefaultParams() *Parameters {
 //	span    = [-, -, -, -, -, -]
 //	chunked = [[-, -], [-, -], [-, -]]
 //	                            |-> epoch 4, chunk idx 2
-//
 func (p *Parameters) chunkIndex(epoch types.Epoch) uint64 {
 	return uint64(epoch.Mod(uint64(p.historyLength)).Div(p.chunkSize))
 }
@@ -68,7 +67,6 @@ func (p *Parameters) validatorChunkIndex(validatorIndex types.ValidatorIndex) ui
 //	[[-, -, -], [-, -, -], [-, -, -], ...]
 //	             |
 //	             -> first epoch of chunk 1 equals 3
-//
 func (p *Parameters) firstEpoch(chunkIndex uint64) types.Epoch {
 	return types.Epoch(chunkIndex * p.chunkSize)
 }
@@ -82,7 +80,6 @@ func (p *Parameters) firstEpoch(chunkIndex uint64) types.Epoch {
 //	[[-, -, -], [-, -, -], [-, -, -], ...]
 //	                   |
 //	                   -> last epoch of chunk 1 equals 5
-//
 func (p *Parameters) lastEpoch(chunkIndex uint64) types.Epoch {
 	return p.firstEpoch(chunkIndex).Add(p.chunkSize - 1)
 }
@@ -109,7 +106,6 @@ func (p *Parameters) lastEpoch(chunkIndex uint64) types.Epoch {
 //	 {     }  {     }  {     }
 //	[-, -, -, -, -, -, -, -, -]
 //	                      |-> epoch 1 for val2
-//
 func (p *Parameters) cellIndex(validatorIndex types.ValidatorIndex, epoch types.Epoch) uint64 {
 	validatorChunkOffset := p.validatorOffset(validatorIndex)
 	chunkOffset := p.chunkOffset(epoch)
@@ -144,7 +140,6 @@ func (p *Parameters) validatorOffset(validatorIndex types.ValidatorIndex) uint64
 // So every span has 4 chunks. Then, we have a disk key calculated by
 //
 //	validatorChunkIndex * width + chunkIndex = 2*4 + 2 = 10
-//
 func (p *Parameters) flatSliceID(validatorChunkIndex, chunkIndex uint64) []byte {
 	width := p.historyLength.Div(p.chunkSize)
 	return ssz.MarshalUint64(make([]byte, 0), uint64(width.Mul(validatorChunkIndex).Add(chunkIndex)))

beacon-chain/state/stategen/replay_test.go

@@ -360,6 +360,7 @@ func TestLoadBlocks_BadStart(t *testing.T) {
 
 // tree1 constructs the following tree:
 // B0 - B1 - - B3 -- B5
+//
 //	\- B2 -- B4 -- B6 ----- B8
 //	                 \- B7
 func tree1(t *testing.T, beaconDB db.Database, genesisRoot []byte) ([][32]byte, []*ethpb.SignedBeaconBlock, error) {
@@ -449,6 +450,7 @@ func tree1(t *testing.T, beaconDB db.Database, genesisRoot []byte) ([][32]byte,
 
 // tree2 constructs the following tree:
 // B0 - B1
+//
 //	\- B2
 //	\- B2
 //	\- B2
@@ -531,6 +533,7 @@ func tree2(t *testing.T, beaconDB db.Database, genesisRoot []byte) ([][32]byte,
 
 // tree3 constructs the following tree:
 // B0 - B1
+//
 //	\- B2
 //	\- B2
 //	\- B2
@@ -607,6 +610,7 @@ func tree3(t *testing.T, beaconDB db.Database, genesisRoot []byte) ([][32]byte,
 
 // tree4 constructs the following tree:
 // B0
+//
 //	\- B2
 //	\- B2
 //	\- B2

beacon-chain/sync/pending_blocks_queue_test.go

@@ -32,8 +32,11 @@ import (
 )
 
 //	/- b1 - b2
+//
 // b0
+//
 //	\- b3
+//
 // Test b1 was missing then received and we can process b0 -> b1 -> b2
 func TestRegularSyncBeaconBlockSubscriber_ProcessPendingBlocks1(t *testing.T) {
 	db := dbtest.SetupDB(t)
@@ -349,8 +352,11 @@ func TestRegularSyncBeaconBlockSubscriber_DoNotReprocessBlock(t *testing.T) {
 }
 
 //	/- b1 - b2 - b5
+//
 // b0
+//
 //	\- b3 - b4
+//
 // Test b2 and b3 were missed, after receiving them we can process 2 chains.
 func TestRegularSyncBeaconBlockSubscriber_ProcessPendingBlocks_2Chains(t *testing.T) {
 	db := dbtest.SetupDB(t)

container/leaky-bucket/leakybucket.go

@@ -18,7 +18,6 @@ This means it is the exact mirror of a token bucket.
 	n := b.Add(1)
 	// n == 0
 
-
 A Collector is a convenient way to keep track of multiple LeakyBucket's.
 Buckets are associated with string keys for fast lookup. It can dynamically
 add new buckets and automatically remove them as they become empty, freeing

container/slice/slice.go

@@ -296,6 +296,7 @@ func SplitCommaSeparated(arr []string) []string {
 //
 // Spec pseudocode definition:
 // def get_split_offset(list_size: int, chunks: int, index: int) -> int:
+//
 //	"""
 //	Returns a value such that for a list L, chunk count k and index i,
 //	split(L, k)[i] == L[get_split_offset(len(L), k, i): get_split_offset(len(L), k, i+1)]

container/trie/sparse_merkle.go

@@ -101,6 +101,7 @@ func (m *SparseMerkleTrie) Items() [][]byte {
 }
 
 // HashTreeRoot of the Merkle trie as defined in the deposit contract.
+//
 //	Spec Definition:
 //	 sha256(concat(node, self.to_little_endian_64(self.deposit_count), slice(zero_bytes32, start=0, len=24)))
 func (m *SparseMerkleTrie) HashTreeRoot() ([32]byte, error) {

contracts/deposit/deposit.go

@@ -16,6 +16,7 @@ import (
 // signed by the deposit key.
 //
 // Spec details about general deposit workflow:
+//
 //	To submit a deposit:
 //
 //	- Pack the validator's initialization parameters into deposit_data, a Deposit_Data SSZ object.
@@ -68,8 +69,10 @@ func DepositInput(depositKey, withdrawalKey bls.SecretKey, amountInGwei uint64)
 // address.
 //
 // The specification is as follows:
+//
 //	withdrawal_credentials[:1] == BLS_WITHDRAWAL_PREFIX_BYTE
 //	withdrawal_credentials[1:] == hash(withdrawal_pubkey)[1:]
+//
 // where withdrawal_credentials is of type bytes32.
 func WithdrawalCredentialsHash(withdrawalKey bls.SecretKey) []byte {
 	h := hash.Hash(withdrawalKey.PublicKey().Marshal())

crypto/bls/blst/doc.go

@@ -3,5 +3,4 @@
 // verifying and aggregating BLS signatures used by Ethereum.
 //
 // This implementation uses the library written by Supranational, blst.
-//
 package blst

crypto/bls/blst/secret_key.go

@@ -67,6 +67,7 @@ func IsZero(sKey []byte) bool {
 //
 // In IETF draft BLS specification:
 // Sign(SK, message) -> signature: a signing algorithm that generates
+//
 //	a deterministic signature given a secret key SK and a message.
 //
 // In Ethereum proof of stake specification:

crypto/bls/blst/signature.go

@@ -85,6 +85,7 @@ func MultipleSignaturesFromBytes(multiSigs [][]byte) ([]common.Signature, error)
 //
 // In IETF draft BLS specification:
 // Verify(PK, message, signature) -> VALID or INVALID: a verification
+//
 //	algorithm that outputs VALID if signature is a valid signature of
 //	message under public key PK, and INVALID otherwise.
 //
@@ -103,6 +104,7 @@ func (s *Signature) Verify(pubKey common.PublicKey, msg []byte) bool {
 //
 // In IETF draft BLS specification:
 // AggregateVerify((PK_1, message_1), ..., (PK_n, message_n),
+//
 //	signature) -> VALID or INVALID: an aggregate verification
 //	algorithm that outputs VALID if signature is a valid aggregated
 //	signature for a collection of public keys and messages, and
@@ -134,6 +136,7 @@ func (s *Signature) AggregateVerify(pubKeys []common.PublicKey, msgs [][32]byte)
 //
 // In IETF draft BLS specification:
 // FastAggregateVerify(PK_1, ..., PK_n, message, signature) -> VALID
+//
 //	or INVALID: a verification algorithm for the aggregate of multiple
 //	signatures on the same message.  This function is faster than
 //	AggregateVerify.
@@ -156,6 +159,7 @@ func (s *Signature) FastAggregateVerify(pubKeys []common.PublicKey, msg [32]byte
 //
 // Spec code:
 // def eth2_fast_aggregate_verify(pubkeys: Sequence[BLSPubkey], message: Bytes32, signature: BLSSignature) -> bool:
+//
 //	"""
 //	Wrapper to ``bls.FastAggregateVerify`` accepting the ``G2_POINT_AT_INFINITY`` signature when ``pubkeys`` is empty.
 //	"""

encoding/ssz/equality/deep_equal.go

@@ -247,7 +247,7 @@ func deepValueBaseTypeEqual(v1, v2 reflect.Value) bool {
 	}
 }
 
-// DeepEqual reports whether two SSZ-able values x and y are ``deeply equal,'' defined as follows:
+// DeepEqual reports whether two SSZ-able values x and y are “deeply equal,” defined as follows:
 // Two values of identical type are deeply equal if one of the following cases applies:
 //
 // Values of distinct types are never deeply equal.

fuzzbuzz.yaml

@@ -1,6 +1,6 @@
 base:
   language: go
-  version: 1.18
+  version: 1.19
   build_tags:
     - fuzz
     - develop

go.mod

@@ -1,6 +1,6 @@
 module github.com/prysmaticlabs/prysm/v3
 
-go 1.18
+go 1.19
 
 require (
 	contrib.go.opencensus.io/exporter/jaeger v0.2.1

runtime/interop/generate_genesis_state.go

@@ -186,8 +186,10 @@ func createDepositData(privKey bls.SecretKey, pubKey bls.PublicKey) (*ethpb.Depo
 // address.
 //
 // The specification is as follows:
+//
 //	withdrawal_credentials[:1] == BLS_WITHDRAWAL_PREFIX_BYTE
 //	withdrawal_credentials[1:] == hash(withdrawal_pubkey)[1:]
+//
 // where withdrawal_credentials is of type bytes32.
 func withdrawalCredentialsHash(pubKey []byte) []byte {
 	h := hash.Hash(pubKey)

testing/endtoend/endtoend_test.go

@@ -568,7 +568,6 @@ func (r *testRunner) executeProvidedEvaluators(currentEpoch uint64, conns []*grp
 // Along with that we will also take a single lighthouse node and its validator offline.
 // After 1 epoch we will then attempt to bring it online again.
 //
-//
 // 2) Then we will start testing optimistic sync by engaging our engine proxy.
 // After the proxy has been sending `SYNCING` responses to the beacon node, we
 // will test this with our optimistic sync evaluator to ensure everything works

time/slots/slottime.go

@@ -65,6 +65,7 @@ func AbsoluteValueSlotDifference(x, y types.Slot) uint64 {
 // ToEpoch returns the epoch number of the input slot.
 //
 // Spec pseudocode definition:
+//
 //	def compute_epoch_at_slot(slot: Slot) -> Epoch:
 //	  """
 //	  Return the epoch number at ``slot``.
@@ -78,6 +79,7 @@ func ToEpoch(slot types.Slot) types.Epoch {
 // current epoch.
 //
 // Spec pseudocode definition:
+//
 //	def compute_start_slot_at_epoch(epoch: Epoch) -> Slot:
 //	  """
 //	  Return the start slot of ``epoch``.
@@ -213,6 +215,7 @@ func PrevSlot(slot types.Slot) types.Slot {
 //
 // Spec code:
 // def compute_sync_committee_period(epoch: Epoch) -> uint64:
+//
 //	return epoch // EPOCHS_PER_SYNC_COMMITTEE_PERIOD
 func SyncCommitteePeriod(e types.Epoch) uint64 {
 	return uint64(e / params.BeaconConfig().EpochsPerSyncCommitteePeriod)

tools/analyzers/gocognit/analyzer.go

@@ -26,6 +26,7 @@ var Analyzer = &analysis.Analyzer{
 // "Software Quality Metrics to Identify Risk" by Thomas McCabe Jr.
 //
 //	1 - 10 Simple procedure, little risk
+//
 // 11 - 20 More complex, moderate risk
 // 21 - 50 Complex, high risk
 // > 50 Untestable code, very high risk

tools/blocktree/main.go

@@ -1,10 +1,10 @@
-/**
- * Block tree graph viz
+/*
 *
- * Given a DB, start slot and end slot. This tool computes the graphviz data
- * needed to construct the block tree in graphviz data format. Then one can paste
- * the data in a Graph rendering engine (ie. http://www.webgraphviz.com/) to see the visual format.
-
+  - Block tree graph viz
+    *
+  - Given a DB, start slot and end slot. This tool computes the graphviz data
+  - needed to construct the block tree in graphviz data format. Then one can paste
+  - the data in a Graph rendering engine (ie. http://www.webgraphviz.com/) to see the visual format.
 */
 package main
 

tools/interop/export-genesis/main.go

@@ -11,6 +11,7 @@ import (
 
 // A basic tool to extract genesis.ssz from existing beaconchain.db.
 // ex:
+//
 //	bazel run //tools/interop/export-genesis:export-genesis -- /tmp/data/beaconchaindata /tmp/genesis.ssz
 func main() {
 	if len(os.Args) < 3 {

tools/replay-http/main.go

@@ -1,4 +1,5 @@
-/**
+/*
+*
 Tool for replaying http requests from a file of base64 encoded, line-delimited
 Go http raw requests. Credits to https://gist.github.com/kasey/c9e663eae5baebbf8fbe548c2b1d961b.
 */

validator/client/attest.go

@@ -247,6 +247,7 @@ func (v *validator) saveAttesterIndexToData(data *ethpb.AttestationData, index t
 }
 
 // waitOneThirdOrValidBlock waits until (a) or (b) whichever comes first:
+//
 //	(a) the validator has received a valid block that is the same slot as input slot
 //	(b) one-third of the slot has transpired (SECONDS_PER_SLOT / 3 seconds after the start of slot)
 func (v *validator) waitOneThirdOrValidBlock(ctx context.Context, slot types.Slot) {

validator/slashing-protection-history/import.go

@@ -177,6 +177,7 @@ func validateMetadata(ctx context.Context, validatorDB db.Database, interchangeJ
 //	"0x2932232930: {
 //	  SignedBlocks: [Slot: 5, Slot: 6, Slot: 7],
 //	 },
+//
 //	"0x2932232930: {
 //	  SignedBlocks: [Slot: 5, Slot: 10, Slot: 11],
 //	 }
@@ -209,6 +210,7 @@ func parseBlocksForUniquePublicKeys(data []*format.ProtectionData) (map[[fieldpa
 //	"0x2932232930: {
 //	  SignedAttestations: [{Source: 5, Target: 6}, {Source: 6, Target: 7}],
 //	 },
+//
 //	"0x2932232930: {
 //	  SignedAttestations: [{Source: 5, Target: 6}],
 //	 }