Remove unnecessary casts

specs/_features/eip8148/beacon-chain.md

@@ -422,7 +422,7 @@ def get_validators_sweep_withdrawals(
                     amount=balance,
                 )
             )
-            withdrawal_index += WithdrawalIndex(1)
+            withdrawal_index += 1
         # [Modified in EIP8148]
         elif is_partially_withdrawable_validator(validator, balance, sweep_threshold):
             withdrawals.append(
@@ -434,9 +434,9 @@ def get_validators_sweep_withdrawals(
                     amount=balance - get_effective_sweep_threshold(validator, sweep_threshold),
                 )
             )
-            withdrawal_index += WithdrawalIndex(1)
+            withdrawal_index += 1
 
-        validator_index = ValidatorIndex((validator_index + 1) % len(state.validators))
+        validator_index = (validator_index + 1) % len(state.validators)
         processed_count += 1
 
     return withdrawals, withdrawal_index, processed_count

specs/_features/eip8205/beacon-chain.md

@@ -416,7 +416,7 @@ def process_preregistration_request(state: BeaconState, request: Preregistration
     preregistration = StoredPreregistration(
         pubkey=pubkey,
         withdrawal_credentials=request.withdrawal_credentials,
-        expiry_slot=Slot(state.slot + PREREGISTRATION_EXPIRY_SLOTS),
+        expiry_slot=state.slot + PREREGISTRATION_EXPIRY_SLOTS,
     )
     index = get_stored_preregistration_index(state, pubkey)
     if index is not None:

specs/_features/eip8321/beacon-chain.md

@@ -369,7 +369,7 @@ from the front.
 
 ```python
 def process_pending_randao_commitments(state: BeaconState) -> None:
-    next_epoch = Epoch(get_current_epoch(state) + 1)
+    next_epoch = get_current_epoch(state) + 1
     next_pending_commitment = 0
     for pending_commitment in state.pending_randao_commitments:
         if pending_commitment.activation_epoch > next_epoch:
@@ -503,7 +503,7 @@ def process_randao_commitment_registration(
         PendingRandaoCommitment(
             validator_index=index,
             commitment=registration.commitment,
-            activation_epoch=Epoch(get_current_epoch(state) + COMMITMENT_REGISTRATION_DELAY),
+            activation_epoch=get_current_epoch(state) + COMMITMENT_REGISTRATION_DELAY,
         )
     )
 ```

specs/altair/beacon-chain.md

@@ -325,7 +325,7 @@ def get_next_sync_committee_indices(state: BeaconState) -> Sequence[ValidatorInd
     """
     Return the sync committee indices, with possible duplicates, for the next sync committee.
     """
-    epoch = Epoch(get_current_epoch(state) + 1)
+    epoch = get_current_epoch(state) + 1
 
     MAX_RANDOM_BYTE = 2**8 - 1
     active_validator_indices = get_active_validator_indices(state, epoch)
@@ -388,7 +388,7 @@ 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``.
     """
     increments = state.validators[index].effective_balance // EFFECTIVE_BALANCE_INCREMENT
-    return Gwei(increments * get_base_reward_per_increment(state))
+    return increments * get_base_reward_per_increment(state)
 ```
 
 #### `get_unslashed_participating_indices`
@@ -477,9 +477,9 @@ def get_flag_index_deltas(
         if index in unslashed_participating_indices:
             if not is_in_inactivity_leak(state):
                 reward_numerator = base_reward * weight * unslashed_participating_increments
-                rewards[index] += Gwei(reward_numerator // (active_increments * WEIGHT_DENOMINATOR))
+                rewards[index] += reward_numerator // (active_increments * WEIGHT_DENOMINATOR)
         elif flag_index != TIMELY_HEAD_FLAG_INDEX:
-            penalties[index] += Gwei(base_reward * weight // WEIGHT_DENOMINATOR)
+            penalties[index] += base_reward * weight // WEIGHT_DENOMINATOR
     return rewards, penalties
 ```
 
@@ -502,7 +502,7 @@ def get_inactivity_penalty_deltas(state: BeaconState) -> Tuple[Sequence[Gwei], S
                 state.validators[index].effective_balance * state.inactivity_scores[index]
             )
             penalty_denominator = INACTIVITY_SCORE_BIAS * INACTIVITY_PENALTY_QUOTIENT_ALTAIR
-            penalties[index] += Gwei(penalty_numerator // penalty_denominator)
+            penalties[index] += penalty_numerator // penalty_denominator
     return rewards, penalties
 ```
 
@@ -528,7 +528,7 @@ def slash_validator(
     validator = state.validators[slashed_index]
     validator.slashed = Boolean(True)
     validator.withdrawable_epoch = max(
-        validator.withdrawable_epoch, Epoch(epoch + EPOCHS_PER_SLASHINGS_VECTOR)
+        validator.withdrawable_epoch, epoch + EPOCHS_PER_SLASHINGS_VECTOR
     )
     state.slashings[epoch % EPOCHS_PER_SLASHINGS_VECTOR] += validator.effective_balance
     decrease_balance(
@@ -539,10 +539,10 @@ def slash_validator(
     proposer_index = get_beacon_proposer_index(state)
     if whistleblower_index is None:
         whistleblower_index = proposer_index
-    whistleblower_reward = Gwei(validator.effective_balance // WHISTLEBLOWER_REWARD_QUOTIENT)
-    proposer_reward = Gwei(whistleblower_reward * PROPOSER_WEIGHT // WEIGHT_DENOMINATOR)
+    whistleblower_reward = validator.effective_balance // WHISTLEBLOWER_REWARD_QUOTIENT
+    proposer_reward = whistleblower_reward * PROPOSER_WEIGHT // WEIGHT_DENOMINATOR
     increase_balance(state, proposer_index, proposer_reward)
-    increase_balance(state, whistleblower_index, Gwei(whistleblower_reward - proposer_reward))
+    increase_balance(state, whistleblower_index, whistleblower_reward - proposer_reward)
 ```
 
 ### Block processing
@@ -661,7 +661,7 @@ def process_sync_aggregate(state: BeaconState, sync_aggregate: SyncAggregate) ->
             )
             if bit
         ]
-    previous_slot = max(state.slot, Slot(1)) - Slot(1)
+    previous_slot = max(state.slot, Slot(1)) - 1
     domain = get_domain(state, DOMAIN_SYNC_COMMITTEE, compute_epoch_at_slot(previous_slot))
     signing_root = compute_signing_root(get_block_root_at_slot(state, previous_slot), domain)
     # Note: eth_fast_aggregate_verify works with a singleton list containing an aggregated key
@@ -671,14 +671,12 @@ def process_sync_aggregate(state: BeaconState, sync_aggregate: SyncAggregate) ->
 
     # Compute participant and proposer rewards
     total_active_increments = get_total_active_balance(state) // EFFECTIVE_BALANCE_INCREMENT
-    total_base_rewards = Gwei(get_base_reward_per_increment(state) * total_active_increments)
-    max_participant_rewards = Gwei(
+    total_base_rewards = get_base_reward_per_increment(state) * total_active_increments
+    max_participant_rewards = (
         total_base_rewards * SYNC_REWARD_WEIGHT // WEIGHT_DENOMINATOR // Uint64(SLOTS_PER_EPOCH)
     )
-    participant_reward = Gwei(max_participant_rewards // SYNC_COMMITTEE_SIZE)
-    proposer_reward = Gwei(
-        participant_reward * PROPOSER_WEIGHT // (WEIGHT_DENOMINATOR - PROPOSER_WEIGHT)
-    )
+    participant_reward = max_participant_rewards // SYNC_COMMITTEE_SIZE
+    proposer_reward = participant_reward * PROPOSER_WEIGHT // (WEIGHT_DENOMINATOR - PROPOSER_WEIGHT)
 
     # Apply participant and proposer rewards
     all_pubkeys = [v.pubkey for v in state.validators]
@@ -836,7 +834,7 @@ def process_participation_flag_updates(state: BeaconState) -> None:
 
 ```python
 def process_sync_committee_updates(state: BeaconState) -> None:
-    next_epoch = get_current_epoch(state) + Epoch(1)
+    next_epoch = get_current_epoch(state) + 1
     if next_epoch % EPOCHS_PER_SYNC_COMMITTEE_PERIOD == 0:
         state.current_sync_committee = state.next_sync_committee
         state.next_sync_committee = get_next_sync_committee(state)

specs/altair/light-client/sync-protocol.md

@@ -479,7 +479,7 @@ def validate_light_client_update(
         )
         if bit
     ]
-    fork_version_slot = max(update.signature_slot, Slot(1)) - Slot(1)
+    fork_version_slot = max(update.signature_slot, Slot(1)) - 1
     fork_version = compute_fork_version(compute_epoch_at_slot(fork_version_slot))
     domain = compute_domain(DOMAIN_SYNC_COMMITTEE, fork_version, genesis_validators_root)
     signing_root = compute_signing_root(update.attested_header.beacon, domain)

specs/altair/p2p-interface.md

@@ -115,7 +115,7 @@ def get_sync_subcommittee_pubkeys(
 ) -> 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))
+    next_slot_epoch = compute_epoch_at_slot(state.slot + 1)
     if compute_sync_committee_period(get_current_epoch(state)) == compute_sync_committee_period(
         next_slot_epoch
     ):

specs/altair/validator.md

@@ -394,7 +394,7 @@ subcommittees.
 def compute_subnets_for_sync_committee(
     state: BeaconState, validator_index: ValidatorIndex
 ) -> Set[SubnetID]:
-    next_slot_epoch = compute_epoch_at_slot(Slot(state.slot + 1))
+    next_slot_epoch = compute_epoch_at_slot(state.slot + 1)
     if compute_sync_committee_period(get_current_epoch(state)) == compute_sync_committee_period(
         next_slot_epoch
     ):

specs/bellatrix/beacon-chain.md

@@ -300,7 +300,7 @@ def get_inactivity_penalty_deltas(state: BeaconState) -> Tuple[Sequence[Gwei], S
             )
             # [Modified in Bellatrix]
             penalty_denominator = INACTIVITY_SCORE_BIAS * INACTIVITY_PENALTY_QUOTIENT_BELLATRIX
-            penalties[index] += Gwei(penalty_numerator // penalty_denominator)
+            penalties[index] += penalty_numerator // penalty_denominator
     return rewards, penalties
 ```
 
@@ -325,7 +325,7 @@ def slash_validator(
     validator = state.validators[slashed_index]
     validator.slashed = Boolean(True)
     validator.withdrawable_epoch = max(
-        validator.withdrawable_epoch, Epoch(epoch + EPOCHS_PER_SLASHINGS_VECTOR)
+        validator.withdrawable_epoch, epoch + EPOCHS_PER_SLASHINGS_VECTOR
     )
     state.slashings[epoch % EPOCHS_PER_SLASHINGS_VECTOR] += validator.effective_balance
     # [Modified in Bellatrix]
@@ -336,10 +336,10 @@ def slash_validator(
     proposer_index = get_beacon_proposer_index(state)
     if whistleblower_index is None:
         whistleblower_index = proposer_index
-    whistleblower_reward = Gwei(validator.effective_balance // WHISTLEBLOWER_REWARD_QUOTIENT)
-    proposer_reward = Gwei(whistleblower_reward * PROPOSER_WEIGHT // WEIGHT_DENOMINATOR)
+    whistleblower_reward = validator.effective_balance // WHISTLEBLOWER_REWARD_QUOTIENT
+    proposer_reward = whistleblower_reward * PROPOSER_WEIGHT // WEIGHT_DENOMINATOR
     increase_balance(state, proposer_index, proposer_reward)
-    increase_balance(state, whistleblower_index, Gwei(whistleblower_reward - proposer_reward))
+    increase_balance(state, whistleblower_index, whistleblower_reward - proposer_reward)
 ```
 
 ## Beacon chain state transition function

specs/capella/beacon-chain.md

@@ -378,7 +378,7 @@ def process_epoch(state: BeaconState) -> None:
 ```python
 def process_historical_summaries_update(state: BeaconState) -> None:
     # Set historical block root accumulator.
-    next_epoch = Epoch(get_current_epoch(state) + 1)
+    next_epoch = get_current_epoch(state) + 1
     if next_epoch % Uint64(SLOTS_PER_HISTORICAL_ROOT // SLOTS_PER_EPOCH) == 0:
         historical_summary = HistoricalSummary(
             block_summary_root=hash_tree_root(state.block_roots),
@@ -455,7 +455,7 @@ def get_validators_sweep_withdrawals(
                     amount=balance,
                 )
             )
-            withdrawal_index += WithdrawalIndex(1)
+            withdrawal_index += 1
         elif is_partially_withdrawable_validator(validator, balance):
             withdrawals.append(
                 Withdrawal(
@@ -465,9 +465,9 @@ def get_validators_sweep_withdrawals(
                     amount=balance - MAX_EFFECTIVE_BALANCE,
                 )
             )
-            withdrawal_index += WithdrawalIndex(1)
+            withdrawal_index += 1
 
-        validator_index = ValidatorIndex((validator_index + 1) % len(state.validators))
+        validator_index = (validator_index + 1) % len(state.validators)
         processed_count += 1
 
     return withdrawals, withdrawal_index, processed_count
@@ -507,7 +507,7 @@ def update_next_withdrawal_index(state: BeaconState, withdrawals: Sequence[Withd
     # Update the next withdrawal index if this block contained withdrawals
     if len(withdrawals) != 0:
         latest_withdrawal = withdrawals[-1]
-        state.next_withdrawal_index = WithdrawalIndex(latest_withdrawal.index + 1)
+        state.next_withdrawal_index = latest_withdrawal.index + 1
 ```
 
 #### New `update_next_withdrawal_validator_index`
@@ -519,14 +519,12 @@ def update_next_withdrawal_validator_index(
     # Update the next validator index to start the next withdrawal sweep
     if len(withdrawals) == MAX_WITHDRAWALS_PER_PAYLOAD:
         # Next sweep starts after the latest withdrawal's validator index
-        next_validator_index = ValidatorIndex(
-            (withdrawals[-1].validator_index + 1) % len(state.validators)
-        )
+        next_validator_index = (withdrawals[-1].validator_index + 1) % len(state.validators)
         state.next_withdrawal_validator_index = next_validator_index
     else:
         # Advance sweep by the max length of the sweep if there was not a full set of withdrawals
         next_index = state.next_withdrawal_validator_index + MAX_VALIDATORS_PER_WITHDRAWALS_SWEEP
-        next_validator_index = ValidatorIndex(next_index % len(state.validators))
+        next_validator_index = next_index % len(state.validators)
         state.next_withdrawal_validator_index = next_validator_index
 ```
 

specs/deneb/light-client/sync-protocol.md

@@ -66,9 +66,9 @@ def is_valid_light_client_header(header: LightClientHeader) -> bool:
 
     # [New in Deneb:EIP4844]
     if epoch < DENEB_FORK_EPOCH:
-        if header.execution.blob_gas_used != Uint64(0):
+        if header.execution.blob_gas_used != 0:
             return False
-        if header.execution.excess_blob_gas != Uint64(0):
+        if header.execution.excess_blob_gas != 0:
             return False
 
     if epoch < CAPELLA_FORK_EPOCH:

specs/deneb/p2p-interface.md

@@ -233,7 +233,7 @@ def is_current_or_previous_epoch(
     (with MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance).
     """
     is_current = is_within_epoch(store, epoch, current_time_ms)
-    is_previous = is_within_epoch(store, Epoch(epoch + 1), current_time_ms)
+    is_previous = is_within_epoch(store, epoch + 1, current_time_ms)
     return is_current or is_previous
 ```
 
@@ -244,7 +244,7 @@ def compute_max_request_blob_sidecars() -> Uint64:
     """
     Return the maximum number of blob sidecars in a single request.
     """
-    return Uint64(MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK)
+    return MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK
 ```
 
 ### New `verify_blob_sidecar_inclusion_proof`