Implement #459
Contents: * Peg entries and exits to epoch boundaries * Add a store of historical active index roots * Mix it into the randomness * Remove the delta hash chain Note that the actual light client implementation is beyond the scope of the spec. [Note to reviewers: verify that the invariant added in the PR is correct] Question: * Do we want to also only store epoch-boundary randao values? I don't think we use the epoch-intermediate ones anywhere.....
This commit is contained in:
parent
8d5c75c6fd
commit
9e75a76fc1
|
@ -18,7 +18,6 @@
|
||||||
- [Reward and penalty quotients](#reward-and-penalty-quotients)
|
- [Reward and penalty quotients](#reward-and-penalty-quotients)
|
||||||
- [Status flags](#status-flags)
|
- [Status flags](#status-flags)
|
||||||
- [Max operations per block](#max-operations-per-block)
|
- [Max operations per block](#max-operations-per-block)
|
||||||
- [Validator registry delta flags](#validator-registry-delta-flags)
|
|
||||||
- [Signature domains](#signature-domains)
|
- [Signature domains](#signature-domains)
|
||||||
- [Data structures](#data-structures)
|
- [Data structures](#data-structures)
|
||||||
- [Beacon chain operations](#beacon-chain-operations)
|
- [Beacon chain operations](#beacon-chain-operations)
|
||||||
|
@ -47,7 +46,6 @@
|
||||||
- [`Crosslink`](#crosslink)
|
- [`Crosslink`](#crosslink)
|
||||||
- [`PendingAttestation`](#pendingattestation)
|
- [`PendingAttestation`](#pendingattestation)
|
||||||
- [`Fork`](#fork)
|
- [`Fork`](#fork)
|
||||||
- [`ValidatorRegistryDeltaBlock`](#validatorregistrydeltablock)
|
|
||||||
- [`Eth1Data`](#eth1data)
|
- [`Eth1Data`](#eth1data)
|
||||||
- [`Eth1DataVote`](#eth1datavote)
|
- [`Eth1DataVote`](#eth1datavote)
|
||||||
- [Ethereum 1.0 deposit contract](#ethereum-10-deposit-contract)
|
- [Ethereum 1.0 deposit contract](#ethereum-10-deposit-contract)
|
||||||
|
@ -73,6 +71,7 @@
|
||||||
- [`get_crosslink_committees_at_slot`](#get_crosslink_committees_at_slot)
|
- [`get_crosslink_committees_at_slot`](#get_crosslink_committees_at_slot)
|
||||||
- [`get_block_root`](#get_block_root)
|
- [`get_block_root`](#get_block_root)
|
||||||
- [`get_randao_mix`](#get_randao_mix)
|
- [`get_randao_mix`](#get_randao_mix)
|
||||||
|
- [`get_active_index_root`](#get_active_index_root)
|
||||||
- [`get_beacon_proposer_index`](#get_beacon_proposer_index)
|
- [`get_beacon_proposer_index`](#get_beacon_proposer_index)
|
||||||
- [`merkle_root`](#merkle_root)
|
- [`merkle_root`](#merkle_root)
|
||||||
- [`get_attestation_participants`](#get_attestation_participants)
|
- [`get_attestation_participants`](#get_attestation_participants)
|
||||||
|
@ -168,6 +167,7 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
| `MAX_CASPER_VOTES` | `2**10` (= 1,024) | votes |
|
| `MAX_CASPER_VOTES` | `2**10` (= 1,024) | votes |
|
||||||
| `LATEST_BLOCK_ROOTS_LENGTH` | `2**13` (= 8,192) | block roots |
|
| `LATEST_BLOCK_ROOTS_LENGTH` | `2**13` (= 8,192) | block roots |
|
||||||
| `LATEST_RANDAO_MIXES_LENGTH` | `2**13` (= 8,192) | randao mixes |
|
| `LATEST_RANDAO_MIXES_LENGTH` | `2**13` (= 8,192) | randao mixes |
|
||||||
|
| `LATEST_INDEX_ROOTS_LENGTH` | `2**13` (= 8,192) | index roots |
|
||||||
| `LATEST_PENALIZED_EXIT_LENGTH` | `2**13` (= 8,192) | epochs | ~36 days |
|
| `LATEST_PENALIZED_EXIT_LENGTH` | `2**13` (= 8,192) | epochs | ~36 days |
|
||||||
| `MAX_WITHDRAWALS_PER_EPOCH` | `2**2` (= 4) | withdrawals |
|
| `MAX_WITHDRAWALS_PER_EPOCH` | `2**2` (= 4) | withdrawals |
|
||||||
|
|
||||||
|
@ -235,13 +235,6 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
| `MAX_DEPOSITS` | `2**4` (= 16) |
|
| `MAX_DEPOSITS` | `2**4` (= 16) |
|
||||||
| `MAX_EXITS` | `2**4` (= 16) |
|
| `MAX_EXITS` | `2**4` (= 16) |
|
||||||
|
|
||||||
### Validator registry delta flags
|
|
||||||
|
|
||||||
| Name | Value |
|
|
||||||
| - | - |
|
|
||||||
| `ACTIVATION` | `0` |
|
|
||||||
| `EXIT` | `1` |
|
|
||||||
|
|
||||||
### Signature domains
|
### Signature domains
|
||||||
|
|
||||||
| Name | Value |
|
| Name | Value |
|
||||||
|
@ -478,7 +471,6 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
'validator_balances': ['uint64'],
|
'validator_balances': ['uint64'],
|
||||||
'validator_registry_update_slot': 'uint64',
|
'validator_registry_update_slot': 'uint64',
|
||||||
'validator_registry_exit_count': 'uint64',
|
'validator_registry_exit_count': 'uint64',
|
||||||
'validator_registry_delta_chain_tip': 'hash32', # For light clients to track deltas
|
|
||||||
|
|
||||||
# Randomness and committees
|
# Randomness and committees
|
||||||
'latest_randao_mixes': ['hash32'],
|
'latest_randao_mixes': ['hash32'],
|
||||||
|
@ -487,8 +479,8 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
'current_epoch_start_shard': 'uint64',
|
'current_epoch_start_shard': 'uint64',
|
||||||
'previous_epoch_calculation_slot': 'uint64',
|
'previous_epoch_calculation_slot': 'uint64',
|
||||||
'current_epoch_calculation_slot': 'uint64',
|
'current_epoch_calculation_slot': 'uint64',
|
||||||
'previous_epoch_randao_mix': 'hash32',
|
'previous_epoch_seed': 'hash32',
|
||||||
'current_epoch_randao_mix': 'hash32',
|
'current_epoch_seed': 'hash32',
|
||||||
|
|
||||||
# Custody challenges
|
# Custody challenges
|
||||||
'custody_challenges': [CustodyChallenge],
|
'custody_challenges': [CustodyChallenge],
|
||||||
|
@ -502,6 +494,7 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
# Recent state
|
# Recent state
|
||||||
'latest_crosslinks': [Crosslink],
|
'latest_crosslinks': [Crosslink],
|
||||||
'latest_block_roots': ['hash32'], # Needed to process attestations, older to newer
|
'latest_block_roots': ['hash32'], # Needed to process attestations, older to newer
|
||||||
|
'latest_index_roots': ['hash32'],
|
||||||
'latest_penalized_balances': ['uint64'], # Balances penalized at every withdrawal period
|
'latest_penalized_balances': ['uint64'], # Balances penalized at every withdrawal period
|
||||||
'latest_attestations': [PendingAttestation],
|
'latest_attestations': [PendingAttestation],
|
||||||
'batched_block_roots': ['hash32'],
|
'batched_block_roots': ['hash32'],
|
||||||
|
@ -584,18 +577,6 @@ Unless otherwise indicated, code appearing in `this style` is to be interpreted
|
||||||
}
|
}
|
||||||
```
|
```
|
||||||
|
|
||||||
#### `ValidatorRegistryDeltaBlock`
|
|
||||||
|
|
||||||
```python
|
|
||||||
{
|
|
||||||
'latest_registry_delta_root': 'hash32',
|
|
||||||
'validator_index': 'uint24',
|
|
||||||
'pubkey': 'uint384',
|
|
||||||
'slot': 'uint64',
|
|
||||||
'flag': 'uint64',
|
|
||||||
}
|
|
||||||
```
|
|
||||||
|
|
||||||
#### `Eth1Data`
|
#### `Eth1Data`
|
||||||
|
|
||||||
```python
|
```python
|
||||||
|
@ -954,7 +935,7 @@ def get_crosslink_committees_at_slot(state: BeaconState,
|
||||||
if slot < state_epoch_slot:
|
if slot < state_epoch_slot:
|
||||||
committees_per_slot = get_previous_epoch_committee_count_per_slot(state)
|
committees_per_slot = get_previous_epoch_committee_count_per_slot(state)
|
||||||
shuffling = get_shuffling(
|
shuffling = get_shuffling(
|
||||||
state.previous_epoch_randao_mix,
|
state.previous_epoch_seed,
|
||||||
state.validator_registry,
|
state.validator_registry,
|
||||||
state.previous_epoch_calculation_slot,
|
state.previous_epoch_calculation_slot,
|
||||||
)
|
)
|
||||||
|
@ -962,7 +943,7 @@ def get_crosslink_committees_at_slot(state: BeaconState,
|
||||||
else:
|
else:
|
||||||
committees_per_slot = get_current_epoch_committee_count_per_slot(state)
|
committees_per_slot = get_current_epoch_committee_count_per_slot(state)
|
||||||
shuffling = get_shuffling(
|
shuffling = get_shuffling(
|
||||||
state.current_epoch_randao_mix,
|
state.current_epoch_seed,
|
||||||
state.validator_registry,
|
state.validator_registry,
|
||||||
state.current_epoch_calculation_slot,
|
state.current_epoch_calculation_slot,
|
||||||
)
|
)
|
||||||
|
@ -1007,6 +988,19 @@ def get_randao_mix(state: BeaconState,
|
||||||
return state.latest_randao_mixes[slot % LATEST_RANDAO_MIXES_LENGTH]
|
return state.latest_randao_mixes[slot % LATEST_RANDAO_MIXES_LENGTH]
|
||||||
```
|
```
|
||||||
|
|
||||||
|
#### `get_active_index_root`
|
||||||
|
|
||||||
|
```python
|
||||||
|
def get_active_index_root(state: BeaconState,
|
||||||
|
slot: int) -> Hash32:
|
||||||
|
"""
|
||||||
|
Returns the randao mix at a recent ``slot``.
|
||||||
|
"""
|
||||||
|
assert state.slot // EPOCH_LENGTH < slot // EPOCH_LENGTH + LATEST_INDEX_ROOTS_LENGTH
|
||||||
|
assert slot // EPOCH_LENGTH <= state.slot // EPOCH_LENGTH
|
||||||
|
return state.latest_index_roots[(slot // EPOCH_LENGTH) % LATEST_INDEX_ROOTS_LENGTH]
|
||||||
|
```
|
||||||
|
|
||||||
#### `get_beacon_proposer_index`
|
#### `get_beacon_proposer_index`
|
||||||
|
|
||||||
```python
|
```python
|
||||||
|
@ -1235,7 +1229,6 @@ def get_initial_beacon_state(initial_validator_deposits: List[Deposit],
|
||||||
validator_balances=[],
|
validator_balances=[],
|
||||||
validator_registry_update_slot=GENESIS_SLOT,
|
validator_registry_update_slot=GENESIS_SLOT,
|
||||||
validator_registry_exit_count=0,
|
validator_registry_exit_count=0,
|
||||||
validator_registry_delta_chain_tip=ZERO_HASH,
|
|
||||||
|
|
||||||
# Randomness and committees
|
# Randomness and committees
|
||||||
latest_randao_mixes=[ZERO_HASH for _ in range(LATEST_RANDAO_MIXES_LENGTH)],
|
latest_randao_mixes=[ZERO_HASH for _ in range(LATEST_RANDAO_MIXES_LENGTH)],
|
||||||
|
@ -1244,8 +1237,8 @@ def get_initial_beacon_state(initial_validator_deposits: List[Deposit],
|
||||||
current_epoch_start_shard=GENESIS_START_SHARD,
|
current_epoch_start_shard=GENESIS_START_SHARD,
|
||||||
previous_epoch_calculation_slot=GENESIS_SLOT,
|
previous_epoch_calculation_slot=GENESIS_SLOT,
|
||||||
current_epoch_calculation_slot=GENESIS_SLOT,
|
current_epoch_calculation_slot=GENESIS_SLOT,
|
||||||
previous_epoch_randao_mix=ZERO_HASH,
|
previous_epoch_seed=ZERO_HASH,
|
||||||
current_epoch_randao_mix=ZERO_HASH,
|
current_epoch_seed=ZERO_HASH,
|
||||||
|
|
||||||
# Custody challenges
|
# Custody challenges
|
||||||
custody_challenges=[],
|
custody_challenges=[],
|
||||||
|
@ -1259,6 +1252,7 @@ def get_initial_beacon_state(initial_validator_deposits: List[Deposit],
|
||||||
# Recent state
|
# Recent state
|
||||||
latest_crosslinks=[Crosslink(slot=GENESIS_SLOT, shard_block_root=ZERO_HASH) for _ in range(SHARD_COUNT)],
|
latest_crosslinks=[Crosslink(slot=GENESIS_SLOT, shard_block_root=ZERO_HASH) for _ in range(SHARD_COUNT)],
|
||||||
latest_block_roots=[ZERO_HASH for _ in range(LATEST_BLOCK_ROOTS_LENGTH)],
|
latest_block_roots=[ZERO_HASH for _ in range(LATEST_BLOCK_ROOTS_LENGTH)],
|
||||||
|
latest_index_roots=[ZERO_HASH for _ in range(LATEST_INDEX_ROOTS_LENGTH)],
|
||||||
latest_penalized_balances=[0 for _ in range(LATEST_PENALIZED_EXIT_LENGTH)],
|
latest_penalized_balances=[0 for _ in range(LATEST_PENALIZED_EXIT_LENGTH)],
|
||||||
latest_attestations=[],
|
latest_attestations=[],
|
||||||
batched_block_roots=[],
|
batched_block_roots=[],
|
||||||
|
@ -1383,16 +1377,7 @@ Note: All functions in this section mutate `state`.
|
||||||
def activate_validator(state: BeaconState, index: int, genesis: bool) -> None:
|
def activate_validator(state: BeaconState, index: int, genesis: bool) -> None:
|
||||||
validator = state.validator_registry[index]
|
validator = state.validator_registry[index]
|
||||||
|
|
||||||
validator.activation_slot = GENESIS_SLOT if genesis else (state.slot + ENTRY_EXIT_DELAY)
|
validator.activation_slot = GENESIS_SLOT if genesis else (state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY)
|
||||||
state.validator_registry_delta_chain_tip = hash_tree_root(
|
|
||||||
ValidatorRegistryDeltaBlock(
|
|
||||||
latest_registry_delta_root=state.validator_registry_delta_chain_tip,
|
|
||||||
validator_index=index,
|
|
||||||
pubkey=validator.pubkey,
|
|
||||||
slot=validator.activation_slot,
|
|
||||||
flag=ACTIVATION,
|
|
||||||
)
|
|
||||||
)
|
|
||||||
```
|
```
|
||||||
|
|
||||||
```python
|
```python
|
||||||
|
@ -1406,22 +1391,13 @@ def exit_validator(state: BeaconState, index: int) -> None:
|
||||||
validator = state.validator_registry[index]
|
validator = state.validator_registry[index]
|
||||||
|
|
||||||
# The following updates only occur if not previous exited
|
# The following updates only occur if not previous exited
|
||||||
if validator.exit_slot <= state.slot + ENTRY_EXIT_DELAY:
|
if validator.exit_slot <= state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY:
|
||||||
return
|
return
|
||||||
|
|
||||||
validator.exit_slot = state.slot + ENTRY_EXIT_DELAY
|
validator.exit_slot = state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY
|
||||||
|
|
||||||
state.validator_registry_exit_count += 1
|
state.validator_registry_exit_count += 1
|
||||||
validator.exit_count = state.validator_registry_exit_count
|
validator.exit_count = state.validator_registry_exit_count
|
||||||
state.validator_registry_delta_chain_tip = hash_tree_root(
|
|
||||||
ValidatorRegistryDeltaBlock(
|
|
||||||
latest_registry_delta_root=state.validator_registry_delta_chain_tip,
|
|
||||||
validator_index=index,
|
|
||||||
pubkey=validator.pubkey,
|
|
||||||
slot=validator.exit_slot,
|
|
||||||
flag=EXIT,
|
|
||||||
)
|
|
||||||
)
|
|
||||||
```
|
```
|
||||||
|
|
||||||
```python
|
```python
|
||||||
|
@ -1583,7 +1559,7 @@ Verify that `len(block.body.exits) <= MAX_EXITS`.
|
||||||
For each `exit` in `block.body.exits`:
|
For each `exit` in `block.body.exits`:
|
||||||
|
|
||||||
* Let `validator = state.validator_registry[exit.validator_index]`.
|
* Let `validator = state.validator_registry[exit.validator_index]`.
|
||||||
* Verify that `validator.exit_slot > state.slot + ENTRY_EXIT_DELAY`.
|
* Verify that `validator.exit_slot > state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY`.
|
||||||
* Verify that `state.slot >= exit.slot`.
|
* Verify that `state.slot >= exit.slot`.
|
||||||
* Let `exit_message = hash_tree_root(Exit(slot=exit.slot, validator_index=exit.validator_index, signature=EMPTY_SIGNATURE))`.
|
* Let `exit_message = hash_tree_root(Exit(slot=exit.slot, validator_index=exit.validator_index, signature=EMPTY_SIGNATURE))`.
|
||||||
* Verify that `bls_verify(pubkey=validator.pubkey, message=exit_message, signature=exit.signature, domain=get_domain(state.fork, exit.slot, DOMAIN_EXIT))`.
|
* Verify that `bls_verify(pubkey=validator.pubkey, message=exit_message, signature=exit.signature, domain=get_domain(state.fork, exit.slot, DOMAIN_EXIT))`.
|
||||||
|
@ -1763,7 +1739,7 @@ def update_validator_registry(state: BeaconState) -> None:
|
||||||
# Activate validators within the allowable balance churn
|
# Activate validators within the allowable balance churn
|
||||||
balance_churn = 0
|
balance_churn = 0
|
||||||
for index, validator in enumerate(state.validator_registry):
|
for index, validator in enumerate(state.validator_registry):
|
||||||
if validator.activation_slot > state.slot + ENTRY_EXIT_DELAY and state.validator_balances[index] >= MAX_DEPOSIT_AMOUNT:
|
if validator.activation_slot > state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY and state.validator_balances[index] >= MAX_DEPOSIT_AMOUNT:
|
||||||
# Check the balance churn would be within the allowance
|
# Check the balance churn would be within the allowance
|
||||||
balance_churn += get_effective_balance(state, index)
|
balance_churn += get_effective_balance(state, index)
|
||||||
if balance_churn > max_balance_churn:
|
if balance_churn > max_balance_churn:
|
||||||
|
@ -1775,7 +1751,7 @@ def update_validator_registry(state: BeaconState) -> None:
|
||||||
# Exit validators within the allowable balance churn
|
# Exit validators within the allowable balance churn
|
||||||
balance_churn = 0
|
balance_churn = 0
|
||||||
for index, validator in enumerate(state.validator_registry):
|
for index, validator in enumerate(state.validator_registry):
|
||||||
if validator.exit_slot > state.slot + ENTRY_EXIT_DELAY and validator.status_flags & INITIATED_EXIT:
|
if validator.exit_slot > state.slot - state.slot % EPOCH_LENGTH + ENTRY_EXIT_DELAY and validator.status_flags & INITIATED_EXIT:
|
||||||
# Check the balance churn would be within the allowance
|
# Check the balance churn would be within the allowance
|
||||||
balance_churn += get_effective_balance(state, index)
|
balance_churn += get_effective_balance(state, index)
|
||||||
if balance_churn > max_balance_churn:
|
if balance_churn > max_balance_churn:
|
||||||
|
@ -1791,17 +1767,19 @@ and perform the following updates:
|
||||||
|
|
||||||
* Set `state.previous_epoch_calculation_slot = state.current_epoch_calculation_slot`
|
* Set `state.previous_epoch_calculation_slot = state.current_epoch_calculation_slot`
|
||||||
* Set `state.previous_epoch_start_shard = state.current_epoch_start_shard`
|
* Set `state.previous_epoch_start_shard = state.current_epoch_start_shard`
|
||||||
* Set `state.previous_epoch_randao_mix = state.current_epoch_randao_mix`
|
* Set `state.previous_epoch_seed = state.current_epoch_seed`
|
||||||
* Set `state.current_epoch_calculation_slot = state.slot`
|
* Set `state.current_epoch_calculation_slot = state.slot`
|
||||||
* Set `state.current_epoch_start_shard = (state.current_epoch_start_shard + get_current_epoch_committee_count_per_slot(state) * EPOCH_LENGTH) % SHARD_COUNT`
|
* Set `state.current_epoch_start_shard = (state.current_epoch_start_shard + get_current_epoch_committee_count_per_slot(state) * EPOCH_LENGTH) % SHARD_COUNT`
|
||||||
* Set `state.current_epoch_randao_mix = get_randao_mix(state, state.current_epoch_calculation_slot - SEED_LOOKAHEAD)`
|
* Set `state.current_epoch_seed = hash(get_randao_mix(state, state.current_epoch_calculation_slot - SEED_LOOKAHEAD) + get_active_index_root(state, state.current_epoch_calculation_slot))`
|
||||||
|
|
||||||
If a validator registry update does _not_ happen do the following:
|
If a validator registry update does _not_ happen do the following:
|
||||||
|
|
||||||
* Set `state.previous_epoch_calculation_slot = state.current_epoch_calculation_slot`
|
* Set `state.previous_epoch_calculation_slot = state.current_epoch_calculation_slot`
|
||||||
* Set `state.previous_epoch_start_shard = state.current_epoch_start_shard`
|
* Set `state.previous_epoch_start_shard = state.current_epoch_start_shard`
|
||||||
* Let `epochs_since_last_registry_change = (state.slot - state.validator_registry_update_slot) // EPOCH_LENGTH`.
|
* Let `epochs_since_last_registry_change = (state.slot - state.validator_registry_update_slot) // EPOCH_LENGTH`.
|
||||||
* If `epochs_since_last_registry_change` is an exact power of 2, set `state.current_epoch_calculation_slot = state.slot` and `state.current_epoch_randao_mix = state.latest_randao_mixes[(state.current_epoch_calculation_slot - SEED_LOOKAHEAD) % LATEST_RANDAO_MIXES_LENGTH]`. Note that `state.current_epoch_start_shard` is left unchanged.
|
* If `epochs_since_last_registry_change` is an exact power of 2, set `state.current_epoch_calculation_slot = state.slot` and `state.current_epoch_seed = hash(get_randao_mix(state, state.current_epoch_calculation_slot - SEED_LOOKAHEAD) + get_active_index_root(state, state.current_epoch_calculation_slot))`. Note that `state.current_epoch_start_shard` is left unchanged.
|
||||||
|
|
||||||
|
**Invariant**: the active index root that is hashed into the shuffling seed actually is the `hash_tree_root` of the validator set that is used for that epoch.
|
||||||
|
|
||||||
Regardless of whether or not a validator set change happens, run the following:
|
Regardless of whether or not a validator set change happens, run the following:
|
||||||
|
|
||||||
|
@ -1844,6 +1822,7 @@ def process_penalties_and_exits(state: BeaconState) -> None:
|
||||||
|
|
||||||
* Let `e = state.slot // EPOCH_LENGTH`. Set `state.latest_penalized_balances[(e+1) % LATEST_PENALIZED_EXIT_LENGTH] = state.latest_penalized_balances[e % LATEST_PENALIZED_EXIT_LENGTH]`
|
* Let `e = state.slot // EPOCH_LENGTH`. Set `state.latest_penalized_balances[(e+1) % LATEST_PENALIZED_EXIT_LENGTH] = state.latest_penalized_balances[e % LATEST_PENALIZED_EXIT_LENGTH]`
|
||||||
* Remove any `attestation` in `state.latest_attestations` such that `attestation.data.slot < state.slot - EPOCH_LENGTH`.
|
* Remove any `attestation` in `state.latest_attestations` such that `attestation.data.slot < state.slot - EPOCH_LENGTH`.
|
||||||
|
* Let `epoch = state.slot // EPOCH_LENGTH`. Set `state.latest_index_roots[epoch % LATEST_INDEX_ROOTS_LENGTH] = hash_tree_root(get_active_validator_indices(state, state.slot))`
|
||||||
|
|
||||||
## State root processing
|
## State root processing
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue