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mass/mechanical update of 1.1.4 phase0 and altair spec URLs to 1.1.5 (#3067)

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tersec 2021-11-09 07:40:41 +00:00 committed by GitHub
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4
beacon_chain/beacon_chain_db_immutable.nim
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@ -15,7 +15,7 @@ import
./spec/[eth2_ssz_serialization, eth2_merkleization]
type
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beaconstate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beaconstate
# Memory-representation-equivalent to a phase0 BeaconState for in-place SSZ reading and writing
Phase0BeaconStateNoImmutableValidators* = object
# Versioning
@ -69,7 +69,7 @@ type
current_justified_checkpoint*: Checkpoint
finalized_checkpoint*: Checkpoint
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#beaconstate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#beaconstate
# Memory-representation-equivalent to an Altair BeaconState for in-place SSZ
# reading and writing
AltairBeaconStateNoImmutableValidators* = object

2
beacon_chain/beacon_clock.nim
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@ -25,7 +25,7 @@ type
## which blocks are valid - in particular, blocks are not valid if they
## come from the future as seen from the local clock.
##
## https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/fork-choice.md#fork-choice
## https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/fork-choice.md#fork-choice
##
# TODO consider NTP and network-adjusted timestamps as outlined here:
# https://ethresear.ch/t/network-adjusted-timestamps/4187

8
beacon_chain/consensus_object_pools/README.md
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@ -5,11 +5,11 @@ This folder holds the various consensus object pools needed for a blockchain cli
Object in those pools have passed the "gossip validation" filter according
to specs:
- blocks: https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/p2p-interface.md#beacon_block
- aggregate attestations: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- unaggregated attestation: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
- aggregate attestations: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- unaggregated attestation: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
- voluntary exits: https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/p2p-interface.md#voluntary_exit
- Attester slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attester_slashing
- Proposer slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#proposer_slashing
- Attester slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attester_slashing
- Proposer slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#proposer_slashing
After "gossip validation" the consensus objects can be rebroadcasted as they are optimistically good, however for internal processing further verification is needed.
For blocks, this means verifying state transition and all contained cryptographic signatures (instead of just the proposer signature).

18
beacon_chain/consensus_object_pools/spec_cache.nim
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@ -22,7 +22,7 @@ export
func count_active_validators*(epochInfo: EpochRef): uint64 =
epochInfo.shuffled_active_validator_indices.lenu64
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_committee_count_per_slot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_committee_count_per_slot
func get_committee_count_per_slot*(epochInfo: EpochRef): uint64 =
get_committee_count_per_slot(count_active_validators(epochInfo))
@ -30,7 +30,7 @@ iterator get_committee_indices*(epochRef: EpochRef): CommitteeIndex =
for i in 0'u64..<get_committee_count_per_slot(epochRef):
yield CommitteeIndex(i)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_committee
iterator get_beacon_committee*(
epochRef: EpochRef, slot: Slot, index: CommitteeIndex): ValidatorIndex =
## Return the beacon committee at ``slot`` for ``index``.
@ -43,7 +43,7 @@ iterator get_beacon_committee*(
committees_per_slot * SLOTS_PER_EPOCH
): yield idx
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_committee
func get_beacon_committee*(
epochRef: EpochRef, slot: Slot, index: CommitteeIndex): seq[ValidatorIndex] =
## Return the beacon committee at ``slot`` for ``index``.
@ -56,7 +56,7 @@ func get_beacon_committee*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_committee
func get_beacon_committee_len*(
epochRef: EpochRef, slot: Slot, index: CommitteeIndex): uint64 =
## Return the number of members in the beacon committee at ``slot`` for ``index``.
@ -70,7 +70,7 @@ func get_beacon_committee_len*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_attesting_indices
iterator get_attesting_indices*(epochRef: EpochRef,
data: AttestationData,
bits: CommitteeValidatorsBits):
@ -105,7 +105,7 @@ func get_attesting_indices_one*(epochRef: EpochRef,
inc i
res
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_attesting_indices
func get_attesting_indices*(epochRef: EpochRef,
data: AttestationData,
bits: CommitteeValidatorsBits):
@ -114,7 +114,7 @@ func get_attesting_indices*(epochRef: EpochRef,
for idx in get_attesting_indices(epochRef, data, bits):
result.add(idx)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*(
fork: Fork, genesis_validators_root: Eth2Digest,
epochRef: EpochRef,
@ -159,7 +159,7 @@ func makeAttestationData*(
doAssert current_epoch == epochRef.epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#attestation-data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#attestation-data
AttestationData(
slot: slot,
index: committee_index.uint64,
@ -171,7 +171,7 @@ func makeAttestationData*(
)
)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#validator-assignments
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#validator-assignments
iterator get_committee_assignments*(
epochRef: EpochRef, validator_indices: HashSet[ValidatorIndex]):
tuple[subcommitteeIdx: CommitteeIndex,

2
beacon_chain/eth1/eth1_monitor.nim
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@ -288,7 +288,7 @@ template toGaugeValue(x: Quantity): int64 =
# doAssert SECONDS_PER_ETH1_BLOCK * cfg.ETH1_FOLLOW_DISTANCE < GENESIS_DELAY,
# "Invalid configuration: GENESIS_DELAY is set too low"
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#get_eth1_data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#get_eth1_data
func compute_time_at_slot(genesis_time: uint64, slot: Slot): uint64 =
genesis_time + slot * SECONDS_PER_SLOT

10
beacon_chain/gossip_processing/README.md
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@ -9,12 +9,12 @@ This folder holds a collection of modules to:
Gossip validation is different from consensus verification in particular for blocks.
- Blocks: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_block
- Blocks: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_block
- Attestations (aggregated): https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- Attestations (unaggregated): https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attestation-subnets
- Voluntary exits: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#voluntary_exit
- Proposer slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#proposer_slashing
- Attester slashing: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attester_slashing
- Attestations (unaggregated): https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attestation-subnets
- Voluntary exits: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#voluntary_exit
- Proposer slashings: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#proposer_slashing
- Attester slashing: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attester_slashing
There are multiple consumers of validated consensus objects:
- a `ValidationResult.Accept` output triggers rebroadcasting in libp2p

12
beacon_chain/networking/eth2_network.nim
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@ -166,7 +166,7 @@ type
MounterProc* = proc(network: Eth2Node) {.gcsafe, raises: [Defect, CatchableError].}
MessageContentPrinter* = proc(msg: pointer): string {.gcsafe, raises: [Defect].}
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#goodbye
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#goodbye
DisconnectionReason* = enum
# might see other values on the wire!
ClientShutDown = 1
@ -1791,8 +1791,8 @@ proc getPersistentNetKeys*(rng: var BrHmacDrbgContext,
func gossipId(
data: openArray[byte], altairPrefix, topic: string, valid: bool): seq[byte] =
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/p2p-interface.md#topics-and-messages
const
MESSAGE_DOMAIN_INVALID_SNAPPY = [0x00'u8, 0x00, 0x00, 0x00]
MESSAGE_DOMAIN_VALID_SNAPPY = [0x01'u8, 0x00, 0x00, 0x00]
@ -2066,7 +2066,7 @@ proc subscribeAttestationSubnets*(
proc unsubscribeAttestationSubnets*(
node: Eth2Node, subnets: AttnetBits, forkDigest: ForkDigest) =
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attestations-and-aggregation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attestations-and-aggregation
# Nimbus won't score attestation subnets for now; we just rely on block and
# aggregate which are more stable and reliable
@ -2075,7 +2075,7 @@ proc unsubscribeAttestationSubnets*(
node.unsubscribe(getAttestationTopic(forkDigest, SubnetId(subnet_id)))
proc updateStabilitySubnetMetadata*(node: Eth2Node, attnets: AttnetBits) =
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#metadata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#metadata
if node.metadata.attnets == attnets:
return
@ -2083,7 +2083,7 @@ proc updateStabilitySubnetMetadata*(node: Eth2Node, attnets: AttnetBits) =
node.metadata.attnets = attnets
# https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/validator.md#phase-0-attestation-subnet-stability
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attestation-subnet-bitfield
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attestation-subnet-bitfield
let res = node.discovery.updateRecord({
enrAttestationSubnetsField: SSZ.encode(node.metadata.attnets)
})

8
beacon_chain/rpc/rest_config_api.nim
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@ -162,7 +162,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
DEPOSIT_CONTRACT_ADDRESS:
$node.dag.cfg.DEPOSIT_CONTRACT_ADDRESS,
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#constants
# GENESIS_SLOT
# GENESIS_EPOCH
# FAR_FUTURE_EPOCH
@ -196,7 +196,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
"0x" & ncrutils.toHex(
uint32(DOMAIN_AGGREGATE_AND_PROOF).toBytesLE()),
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#constants
TIMELY_SOURCE_FLAG_INDEX:
"0x" & ncrutils.toHex([byte(TIMELY_SOURCE_FLAG_INDEX)]),
TIMELY_TARGET_FLAG_INDEX:
@ -226,7 +226,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
uint32(DOMAIN_CONTRIBUTION_AND_PROOF).toBytesLE()),
# PARTICIPATION_FLAG_WEIGHTS
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#constants
TARGET_AGGREGATORS_PER_COMMITTEE:
Base10.toString(TARGET_AGGREGATORS_PER_COMMITTEE),
RANDOM_SUBNETS_PER_VALIDATOR:
@ -236,7 +236,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
ATTESTATION_SUBNET_COUNT:
Base10.toString(uint64(ATTESTATION_SUBNET_COUNT)),
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#constants
TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE:
Base10.toString(uint64(TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE)),
SYNC_COMMITTEE_SUBNET_COUNT:

48
beacon_chain/spec/beaconstate.nim
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@ -19,7 +19,7 @@ import
export extras, forks, validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#increase_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#increase_balance
func increase_balance*(balance: var Gwei, delta: Gwei) =
balance += delta
@ -29,7 +29,7 @@ func increase_balance*(
if delta != 0: # avoid dirtying the balance cache if not needed
increase_balance(state.balances[index], delta)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#decrease_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#decrease_balance
func decrease_balance*(balance: var Gwei, delta: Gwei) =
balance =
if delta > balance:
@ -44,8 +44,8 @@ func decrease_balance*(
if delta != 0: # avoid dirtying the balance cache if not needed
decrease_balance(state.balances[index], delta)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#modified-process_deposit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#modified-process_deposit
func get_validator_from_deposit*(deposit: DepositData):
Validator =
let
@ -69,7 +69,7 @@ func compute_activation_exit_epoch*(epoch: Epoch): Epoch =
## ``epoch`` take effect.
epoch + 1 + MAX_SEED_LOOKAHEAD
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_validator_churn_limit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_validator_churn_limit
func get_validator_churn_limit*(
cfg: RuntimeConfig, state: ForkyBeaconState, cache: var StateCache):
uint64 =
@ -79,7 +79,7 @@ func get_validator_churn_limit*(
count_active_validators(
state, state.get_current_epoch(), cache) div cfg.CHURN_LIMIT_QUOTIENT)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#initiate_validator_exit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#initiate_validator_exit
func initiate_validator_exit*(cfg: RuntimeConfig, state: var ForkyBeaconState,
index: ValidatorIndex, cache: var StateCache) =
## Initiate the exit of the validator with index ``index``.
@ -119,8 +119,8 @@ func initiate_validator_exit*(cfg: RuntimeConfig, state: var ForkyBeaconState,
validator.withdrawable_epoch =
validator.exit_epoch + cfg.MIN_VALIDATOR_WITHDRAWABILITY_DELAY
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#slash_validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#modified-slash_validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#slash_validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#modified-slash_validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/merge/beacon-chain.md#modified-slash_validator
proc slash_validator*(
cfg: RuntimeConfig, state: var ForkyBeaconState,
@ -298,7 +298,7 @@ func get_initial_beacon_block*(state: phase0.BeaconState):
phase0.TrustedSignedBeaconBlock(
message: message, root: hash_tree_root(message))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_block_root_at_slot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_block_root_at_slot
func get_block_root_at_slot*(state: ForkyBeaconState, slot: Slot): Eth2Digest =
## Return the block root at a recent ``slot``.
@ -316,12 +316,12 @@ func get_block_root_at_slot*(state: ForkedHashedBeaconState,
withState(state):
get_block_root_at_slot(state.data, slot)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_block_root
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_block_root
func get_block_root*(state: ForkyBeaconState, epoch: Epoch): Eth2Digest =
## Return the block root at the start of a recent ``epoch``.
get_block_root_at_slot(state, compute_start_slot_at_epoch(epoch))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_total_balance
template get_total_balance(
state: ForkyBeaconState, validator_indices: untyped): Gwei =
## Return the combined effective balance of the ``indices``.
@ -332,13 +332,13 @@ template get_total_balance(
res += state.validators.asSeq()[validator_index].effective_balance
max(EFFECTIVE_BALANCE_INCREMENT, res)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_eligible_for_activation_queue
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_eligible_for_activation_queue
func is_eligible_for_activation_queue*(validator: Validator): bool =
## Check if ``validator`` is eligible to be placed into the activation queue.
validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH and
validator.effective_balance == MAX_EFFECTIVE_BALANCE
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_eligible_for_activation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_eligible_for_activation
func is_eligible_for_activation*(state: ForkyBeaconState, validator: Validator):
bool =
## Check if ``validator`` is eligible for activation.
@ -348,7 +348,7 @@ func is_eligible_for_activation*(state: ForkyBeaconState, validator: Validator):
# Has not yet been activated
validator.activation_epoch == FAR_FUTURE_EPOCH
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*(
state: ForkyBeaconState, indexed_attestation: SomeIndexedAttestation,
flags: UpdateFlags): Result[void, cstring] =
@ -386,7 +386,7 @@ proc is_valid_indexed_attestation*(
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_attesting_indices
func get_attesting_indices*(state: ForkyBeaconState,
data: AttestationData,
bits: CommitteeValidatorsBits,
@ -451,8 +451,8 @@ proc is_valid_indexed_attestation*(
# Attestation validation
# ------------------------------------------------------------------------------------------
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
func check_attestation_slot_target*(data: AttestationData): Result[void, cstring] =
if not (data.target.epoch == compute_epoch_at_slot(data.slot)):
@ -491,7 +491,7 @@ func check_attestation_index(
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_attestation_participation_flag_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_attestation_participation_flag_indices
func get_attestation_participation_flag_indices(state: altair.BeaconState | merge.BeaconState,
data: AttestationData,
inclusion_delay: uint64): seq[int] =
@ -525,7 +525,7 @@ func get_attestation_participation_flag_indices(state: altair.BeaconState | merg
# TODO these duplicate some stuff in state_transition_epoch which uses TotalBalances
# better to centralize around that if feasible
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_total_active_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_total_active_balance
func get_total_active_balance*(state: ForkyBeaconState, cache: var StateCache): Gwei =
## Return the combined effective balance of the active validators.
# Note: ``get_total_balance`` returns ``EFFECTIVE_BALANCE_INCREMENT`` Gwei
@ -536,7 +536,7 @@ func get_total_active_balance*(state: ForkyBeaconState, cache: var StateCache):
get_total_balance(
state, cache.get_shuffled_active_validator_indices(state, epoch))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_base_reward_per_increment
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_base_reward_per_increment
func get_base_reward_per_increment_sqrt*(
total_active_balance_sqrt: uint64): Gwei =
EFFECTIVE_BALANCE_INCREMENT * BASE_REWARD_FACTOR div total_active_balance_sqrt
@ -545,7 +545,7 @@ func get_base_reward_per_increment*(
total_active_balance: Gwei): Gwei =
get_base_reward_per_increment_sqrt(integer_squareroot(total_active_balance))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_base_reward
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_base_reward
func get_base_reward(
state: altair.BeaconState | merge.BeaconState, index: ValidatorIndex,
base_reward_per_increment: Gwei): Gwei =
@ -667,7 +667,7 @@ proc process_attestation*(
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_next_sync_committee_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_next_sync_committee_indices
func get_next_sync_committee_keys(state: altair.BeaconState | merge.BeaconState):
array[SYNC_COMMITTEE_SIZE, ValidatorPubKey] =
## Return the sequence of sync committee indices (which may include
@ -700,7 +700,7 @@ func get_next_sync_committee_keys(state: altair.BeaconState | merge.BeaconState)
i += 1'u64
res
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_next_sync_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_next_sync_committee
proc get_next_sync_committee*(state: altair.BeaconState | merge.BeaconState):
SyncCommittee =
## Return the *next* sync committee for a given ``state``.
@ -717,7 +717,7 @@ proc get_next_sync_committee*(state: altair.BeaconState | merge.BeaconState):
res.aggregate_pubkey = finish(attestersAgg).toPubKey()
res
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/fork.md#upgrading-the-state
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/fork.md#upgrading-the-state
func translate_participation(
state: var altair.BeaconState,
pending_attestations: openArray[phase0.PendingAttestation]) =

34
beacon_chain/spec/datatypes/altair.nim
View File

@ -37,7 +37,7 @@ from ../../ssz/merkleization import GeneralizedIndex
export merkleization.GeneralizedIndex
const
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#incentivization-weights
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#incentivization-weights
TIMELY_SOURCE_WEIGHT* = 14
TIMELY_TARGET_WEIGHT* = 26
TIMELY_HEAD_WEIGHT* = 14
@ -61,7 +61,7 @@ const
TIMELY_TARGET_FLAG_INDEX* = 1
TIMELY_HEAD_FLAG_INDEX* = 2
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#inactivity-penalties
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#inactivity-penalties
INACTIVITY_SCORE_BIAS* = 4
INACTIVITY_SCORE_RECOVERY_RATE* = 16
@ -75,20 +75,20 @@ static: doAssert TIMELY_SOURCE_WEIGHT + TIMELY_TARGET_WEIGHT +
type
### New types
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#custom-types
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#custom-types
ParticipationFlags* = uint8
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#syncaggregate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#syncaggregate
SyncAggregate* = object
sync_committee_bits*: BitArray[SYNC_COMMITTEE_SIZE]
sync_committee_signature*: ValidatorSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#synccommittee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#synccommittee
SyncCommittee* = object
pubkeys*: HashArray[Limit SYNC_COMMITTEE_SIZE, ValidatorPubKey]
aggregate_pubkey*: ValidatorPubKey
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#synccommitteemessage
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#synccommitteemessage
SyncCommitteeMessage* = object
slot*: Slot ##\
## Slot to which this contribution pertains
@ -102,7 +102,7 @@ type
signature*: ValidatorSig ##\
## Signature by the validator over the block root of `slot`
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#synccommitteecontribution
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#synccommitteecontribution
SyncCommitteeAggregationBits* =
BitArray[SYNC_SUBCOMMITTEE_SIZE]
@ -124,25 +124,25 @@ type
signature*: ValidatorSig ##\
## Signature by the validator(s) over the block root of `slot`
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#contributionandproof
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#contributionandproof
ContributionAndProof* = object
aggregator_index*: uint64
contribution*: SyncCommitteeContribution
selection_proof*: ValidatorSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#signedcontributionandproof
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#signedcontributionandproof
SignedContributionAndProof* = object
message*: ContributionAndProof
signature*: ValidatorSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#syncaggregatorselectiondata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#syncaggregatorselectiondata
SyncAggregatorSelectionData* = object
slot*: Slot
subcommittee_index*: uint64
### Modified/overloaded
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#lightclientsnapshot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#lightclientsnapshot
LightClientSnapshot* = object
header*: BeaconBlockHeader ##\
## Beacon block header
@ -152,7 +152,7 @@ type
next_sync_committee*: SyncCommittee
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#lightclientupdate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#lightclientupdate
LightClientUpdate* = object
header*: BeaconBlockHeader ##\
## Update beacon block header
@ -174,13 +174,13 @@ type
fork_version*: Version ##\
## Fork version for the aggregate signature
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#lightclientstore
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#lightclientstore
LightClientStore* = object
snapshot*: LightClientSnapshot
valid_updates*: HashSet[LightClientUpdate]
## TODO: This will benefit from being an ordered set
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#beaconstate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#beaconstate
BeaconState* = object
# Versioning
genesis_time*: uint64
@ -326,7 +326,7 @@ type
state_root*: Eth2Digest ##\
body*: TrustedBeaconBlockBody
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#beaconblockbody
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#beaconblockbody
BeaconBlockBody* = object
randao_reveal*: ValidatorSig
eth1_data*: Eth1Data ##\
@ -373,7 +373,7 @@ type
SyncnetBits* = BitArray[SYNC_COMMITTEE_SUBNET_COUNT]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/p2p-interface.md#metadata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/p2p-interface.md#metadata
MetaData* = object
seq_number*: uint64
attnets*: AttnetBits
@ -395,7 +395,7 @@ type
# [New in Altair]
sync_aggregate*: SyncAggregate
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#signedbeaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object
message*: BeaconBlock
signature*: ValidatorSig

44
beacon_chain/spec/datatypes/base.nim
View File

@ -78,7 +78,7 @@ const
DEPOSIT_CONTRACT_TREE_DEPTH* = 32
BASE_REWARDS_PER_EPOCH* = 4
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#misc
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#misc
ATTESTATION_SUBNET_COUNT* = 64
template maxSize*(n: int) {.pragma.}
@ -117,7 +117,7 @@ type
# Domains
# ---------------------------------------------------------------
DomainType* = enum
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#domain-types
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#domain-types
DOMAIN_BEACON_PROPOSER = 0
DOMAIN_BEACON_ATTESTER = 1
DOMAIN_RANDAO = 2
@ -126,12 +126,12 @@ type
DOMAIN_SELECTION_PROOF = 5
DOMAIN_AGGREGATE_AND_PROOF = 6
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#domain-types
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#domain-types
DOMAIN_SYNC_COMMITTEE = 7
DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF = 8
DOMAIN_CONTRIBUTION_AND_PROOF = 9
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#custom-types
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#custom-types
Eth2Domain* = array[32, byte]
# https://github.com/nim-lang/Nim/issues/574 and be consistent across
@ -171,7 +171,7 @@ type
signed_header_1*: TrustedSignedBeaconBlockHeader
signed_header_2*: TrustedSignedBeaconBlockHeader
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attesterslashing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attesterslashing
AttesterSlashing* = object
attestation_1*: IndexedAttestation
attestation_2*: IndexedAttestation
@ -220,7 +220,7 @@ type
current_version*: Version
genesis_validators_root*: Eth2Digest
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#checkpoint
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#checkpoint
Checkpoint* = object
epoch*: Epoch
root*: Eth2Digest
@ -238,20 +238,20 @@ type
source*: Checkpoint
target*: Checkpoint
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#deposit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#deposit
Deposit* = object
proof*: array[DEPOSIT_CONTRACT_TREE_DEPTH + 1, Eth2Digest] ##\
## Merkle path to deposit root
data*: DepositData
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#depositmessage
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#depositmessage
DepositMessage* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
amount*: Gwei
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#depositdata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#depositdata
DepositData* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
@ -260,7 +260,7 @@ type
# if the deposit should be added or not during processing
signature*: ValidatorSig # Signing over DepositMessage
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#voluntaryexit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#voluntaryexit
VoluntaryExit* = object
epoch*: Epoch ##\
## Earliest epoch when voluntary exit can be processed
@ -285,7 +285,7 @@ type
pubkey*: UncompressedPubKey
withdrawal_credentials*: Eth2Digest
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#validator
Validator* = object
pubkey*: ValidatorPubKey
@ -307,7 +307,7 @@ type
withdrawable_epoch*: Epoch ##\
## When validator can withdraw or transfer funds
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#pendingattestation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#pendingattestation
PendingAttestation* = object
aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData
@ -316,12 +316,12 @@ type
proposer_index*: uint64
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#historicalbatch
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#historicalbatch
HistoricalBatch* = object
block_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
state_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#fork
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#fork
Fork* = object
previous_version*: Version
current_version*: Version
@ -329,13 +329,13 @@ type
epoch*: Epoch ##\
## Epoch of latest fork
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#eth1data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#eth1data
Eth1Data* = object
deposit_root*: Eth2Digest
deposit_count*: uint64
block_hash*: Eth2Digest
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#signedvoluntaryexit
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#signedvoluntaryexit
SignedVoluntaryExit* = object
message*: VoluntaryExit
signature*: ValidatorSig
@ -344,7 +344,7 @@ type
message*: VoluntaryExit
signature*: TrustedSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beaconblockheader
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beaconblockheader
BeaconBlockHeader* = object
slot*: Slot
proposer_index*: uint64
@ -352,7 +352,7 @@ type
state_root*: Eth2Digest
body_root*: Eth2Digest
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#signingdata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#signingdata
SigningData* = object
object_root*: Eth2Digest
domain*: Eth2Domain
@ -368,13 +368,13 @@ type
message*: BeaconBlockHeader
signature*: TrustedSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#aggregateandproof
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#aggregateandproof
AggregateAndProof* = object
aggregator_index*: uint64
aggregate*: Attestation
selection_proof*: ValidatorSig
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#signedaggregateandproof
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#signedaggregateandproof
SignedAggregateAndProof* = object
message*: AggregateAndProof
signature*: ValidatorSig
@ -418,7 +418,7 @@ type
withdrawable_epoch*: Epoch ##\
## When validator can withdraw or transfer funds
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#eth2-field
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#eth2-field
ENRForkID* = object
fork_digest*: ForkDigest
next_fork_version*: Version
@ -528,7 +528,7 @@ type
flags*: set[RewardFlags]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_total_balance
TotalBalances* = object
# The total effective balance of all active validators during the _current_
# epoch.

2
beacon_chain/spec/datatypes/merge.nim
View File

@ -290,7 +290,7 @@ type
# Execution
execution_payload*: ExecutionPayload # [New in Merge]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#signedbeaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object
message*: BeaconBlock
signature*: ValidatorSig

8
beacon_chain/spec/datatypes/phase0.nim
View File

@ -96,7 +96,7 @@ type
data*: BeaconState
root*: Eth2Digest # hash_tree_root(data)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beaconblock
BeaconBlock* = object
## For each slot, a proposer is chosen from the validator pool to propose
## a new block. Once the block as been proposed, it is transmitted to
@ -115,7 +115,7 @@ type
body*: BeaconBlockBody
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#metadata
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#metadata
MetaData* = object
seq_number*: uint64
attnets*: AttnetBits
@ -157,7 +157,7 @@ type
state_root*: Eth2Digest ##\
body*: TrustedBeaconBlockBody
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beaconblockbody
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beaconblockbody
BeaconBlockBody* = object
randao_reveal*: ValidatorSig
eth1_data*: Eth1Data
@ -206,7 +206,7 @@ type
deposits*: List[Deposit, Limit MAX_DEPOSITS]
voluntary_exits*: List[TrustedSignedVoluntaryExit, Limit MAX_VOLUNTARY_EXITS]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#signedbeaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object
message*: BeaconBlock
signature*: ValidatorSig

2
beacon_chain/spec/digest.nim
View File

@ -7,7 +7,7 @@
# Serenity hash function / digest
#
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#hash
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#hash
#
# In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256).
# Note that is is different from Keccak256 (often mistakenly called SHA3-256)

8
beacon_chain/spec/eth2_apis/rest_types.nim
View File

@ -303,7 +303,7 @@ type
DEPOSIT_NETWORK_ID*: uint64
DEPOSIT_CONTRACT_ADDRESS*: Eth1Address
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#constants
# GENESIS_SLOT
# GENESIS_EPOCH
# FAR_FUTURE_EPOCH
@ -321,7 +321,7 @@ type
DOMAIN_SELECTION_PROOF*: DomainType
DOMAIN_AGGREGATE_AND_PROOF*: DomainType
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#constants
TIMELY_SOURCE_FLAG_INDEX*: byte
TIMELY_TARGET_FLAG_INDEX*: byte
TIMELY_HEAD_FLAG_INDEX*: byte
@ -336,13 +336,13 @@ type
DOMAIN_CONTRIBUTION_AND_PROOF*: DomainType
# PARTICIPATION_FLAG_WEIGHTS
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#constants
TARGET_AGGREGATORS_PER_COMMITTEE*: uint64
RANDOM_SUBNETS_PER_VALIDATOR*: uint64
EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION*: uint64
ATTESTATION_SUBNET_COUNT*: uint64
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#constants
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#constants
TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE*: uint64
SYNC_COMMITTEE_SUBNET_COUNT*: uint64

2
beacon_chain/spec/forks.nim
View File

@ -485,7 +485,7 @@ func compute_fork_data_root*(current_version: Version,
genesis_validators_root: genesis_validators_root
))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_fork_digest
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_fork_digest
func compute_fork_digest*(current_version: Version,
genesis_validators_root: Eth2Digest): ForkDigest =
## Return the 4-byte fork digest for the ``current_version`` and

26
beacon_chain/spec/helpers.nim
View File

@ -24,7 +24,7 @@ import
export
forks, eth2_merkleization, ssz_codec
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#integer_squareroot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#integer_squareroot
func integer_squareroot*(n: SomeInteger): SomeInteger =
## Return the largest integer ``x`` such that ``x**2 <= n``.
doAssert n >= 0'u64
@ -37,7 +37,7 @@ func integer_squareroot*(n: SomeInteger): SomeInteger =
y = (x + n div x) div 2
x
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_epoch_at_slot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_epoch_at_slot
func compute_epoch_at_slot*(slot: Slot|uint64): Epoch =
## Return the epoch number at ``slot``.
(slot div SLOTS_PER_EPOCH).Epoch
@ -279,7 +279,7 @@ func verify_merkle_multiproof*(
if calc.isErr: return false
calc.get == root
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_valid_merkle_branch
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_valid_merkle_branch
func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openArray[Eth2Digest],
depth: int, index: uint64,
root: Eth2Digest): bool =
@ -352,7 +352,7 @@ func build_proof*(anchor: object, leaf_index: uint64,
doAssert proof.len == log2trunc(leaf_index)
build_proof_impl(anchor, leaf_index, proof)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#sync-committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#sync-committee
template sync_committee_period*(epoch: Epoch): SyncCommitteePeriod =
(epoch div EPOCHS_PER_SYNC_COMMITTEE_PERIOD).SyncCommitteePeriod
@ -395,7 +395,7 @@ func get_active_validator_indices_len*(
withState(state):
get_active_validator_indices_len(state.data, epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_current_epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_current_epoch
func get_current_epoch*(state: ForkyBeaconState): Epoch =
## Return the current epoch.
doAssert state.slot >= GENESIS_SLOT, $state.slot
@ -406,7 +406,7 @@ func get_current_epoch*(state: ForkedHashedBeaconState): Epoch =
## Return the current epoch.
withState(state): state.data.slot.epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_randao_mix
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_randao_mix
func get_randao_mix*(state: ForkyBeaconState, epoch: Epoch): Eth2Digest =
## Returns the randao mix at a recent ``epoch``.
state.randao_mixes[epoch mod EPOCHS_PER_HISTORICAL_VECTOR]
@ -431,7 +431,7 @@ func uint_to_bytes4*(x: uint64): array[4, byte] =
result[2] = ((x shr 16) and 0xff).byte
result[3] = ((x shr 24) and 0xff).byte
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_domain
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_domain
func compute_domain*(
domain_type: DomainType,
fork_version: Version,
@ -442,7 +442,7 @@ func compute_domain*(
result[0..3] = uint_to_bytes4(domain_type.uint64)
result[4..31] = fork_data_root.data.toOpenArray(0, 27)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_domain
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_domain
func get_domain*(
fork: Fork,
domain_type: DomainType,
@ -463,7 +463,7 @@ func get_domain*(
## of a message.
get_domain(state.fork, domain_type, epoch, state.genesis_validators_root)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_signing_root
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_signing_root
func compute_signing_root*(ssz_object: auto, domain: Eth2Domain): Eth2Digest =
## Return the signing root of an object by calculating the root of the
## object-domain tree.
@ -473,7 +473,7 @@ func compute_signing_root*(ssz_object: auto, domain: Eth2Domain): Eth2Digest =
)
hash_tree_root(domain_wrapped_object)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_seed
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_seed
func get_seed*(state: ForkyBeaconState, epoch: Epoch, domain_type: DomainType):
Eth2Digest =
## Return the seed at ``epoch``.
@ -491,17 +491,17 @@ func get_seed*(state: ForkyBeaconState, epoch: Epoch, domain_type: DomainType):
epoch + EPOCHS_PER_HISTORICAL_VECTOR - MIN_SEED_LOOKAHEAD - 1).data
eth2digest(seed_input)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#add_flag
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#add_flag
func add_flag*(flags: ParticipationFlags, flag_index: int): ParticipationFlags =
let flag = ParticipationFlags(1'u8 shl flag_index)
flags or flag
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#has_flag
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#has_flag
func has_flag*(flags: ParticipationFlags, flag_index: int): bool =
let flag = ParticipationFlags(1'u8 shl flag_index)
(flags and flag) == flag
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#get_subtree_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#get_subtree_index
func get_subtree_index*(idx: GeneralizedIndex): uint64 =
doAssert idx > 0
uint64(idx mod (type(idx)(1) shl log2trunc(idx)))

4
beacon_chain/spec/light_client_sync.nim
View File

@ -66,7 +66,7 @@ proc validate_light_client_update*(snapshot: LightClientSnapshot,
blsFastAggregateVerify(participant_pubkeys, signing_root.data, update.sync_committee_signature)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#apply_light_client_update
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#apply_light_client_update
proc apply_light_client_update(snapshot: var LightClientSnapshot, update: LightClientUpdate) =
let
snapshot_period = sync_committee_period(snapshot.header.slot)
@ -76,7 +76,7 @@ proc apply_light_client_update(snapshot: var LightClientSnapshot, update: LightC
snapshot.next_sync_committee = update.next_sync_committee
snapshot.header = update.header
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/sync-protocol.md#process_light_client_update
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/sync-protocol.md#process_light_client_update
proc process_light_client_update*(store: var LightClientStore,
update: LightClientUpdate,
current_slot: Slot,

8
beacon_chain/spec/network.nim
View File

@ -14,14 +14,14 @@ import
export base
const
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#topics-and-messages
topicBeaconBlocksSuffix* = "beacon_block/ssz_snappy"
topicVoluntaryExitsSuffix* = "voluntary_exit/ssz_snappy"
topicProposerSlashingsSuffix* = "proposer_slashing/ssz_snappy"
topicAttesterSlashingsSuffix* = "attester_slashing/ssz_snappy"
topicAggregateAndProofsSuffix* = "beacon_aggregate_and_proof/ssz_snappy"
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#configuration
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#configuration
MAX_CHUNK_SIZE* = 1 * 1024 * 1024 # bytes
GOSSIP_MAX_SIZE* = 1 * 1024 * 1024 # bytes
TTFB_TIMEOUT* = 5.seconds
@ -77,7 +77,7 @@ func compute_subnet_for_attestation*(
(committees_since_epoch_start + committee_index.uint64) mod
ATTESTATION_SUBNET_COUNT)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#broadcast-attestation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#broadcast-attestation
func getAttestationTopic*(forkDigest: ForkDigest,
subnetId: SubnetId): string =
## For subscribing and unsubscribing to/from a subnet.
@ -89,7 +89,7 @@ func getSyncCommitteeTopic*(forkDigest: ForkDigest,
## For subscribing and unsubscribing to/from a subnet.
eth2Prefix(forkDigest) & "sync_committee_" & $(subcommitteeIdx.asUInt8) & "/ssz_snappy"
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/p2p-interface.md#topics-and-messages
func getSyncCommitteeContributionAndProofTopic*(forkDigest: ForkDigest): string =
## For subscribing and unsubscribing to/from a subnet.
eth2Prefix(forkDigest) & "sync_committee_contribution_and_proof/ssz_snappy"

2
beacon_chain/spec/presets.nim
View File

@ -15,7 +15,7 @@ export
toBytesBE
const
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#withdrawal-prefixes
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#withdrawal-prefixes
BLS_WITHDRAWAL_PREFIX*: byte = 0
ETH1_ADDRESS_WITHDRAWAL_PREFIX*: byte = 1

12
beacon_chain/spec/signatures.nim
View File

@ -57,7 +57,7 @@ func compute_epoch_root*(
let domain = get_domain(fork, DOMAIN_RANDAO, epoch, genesis_validators_root)
compute_signing_root(epoch, domain)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#randao-reveal
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#randao-reveal
func get_epoch_signature*(
fork: Fork, genesis_validators_root: Eth2Digest, epoch: Epoch,
privkey: ValidatorPrivKey): CookedSig =
@ -82,7 +82,7 @@ func compute_block_root*(
fork, DOMAIN_BEACON_PROPOSER, epoch, genesis_validators_root)
compute_signing_root(root, domain)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#signature
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#signature
func get_block_signature*(
fork: Fork, genesis_validators_root: Eth2Digest, slot: Slot,
root: Eth2Digest, privkey: ValidatorPrivKey): CookedSig =
@ -140,7 +140,7 @@ func compute_attestation_root*(
fork, DOMAIN_BEACON_ATTESTER, epoch, genesis_validators_root)
compute_signing_root(attestation_data, domain)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#prepare-sync-committee-message
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#prepare-sync-committee-message
func sync_committee_msg_signing_root*(
fork: Fork, epoch: Epoch,
genesis_validators_root: Eth2Digest,
@ -172,7 +172,7 @@ proc sync_committee_selection_proof_signing_root*(
subcommittee_index: subcommittee_index)
compute_signing_root(signing_data, domain)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#aggregate-signature
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#aggregate-signature
func get_attestation_signature*(
fork: Fork, genesis_validators_root: Eth2Digest,
attestation_data: AttestationData,
@ -194,7 +194,7 @@ proc verify_attestation_signature*(
blsFastAggregateVerify(pubkeys, signing_root.data, signature)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#deposits
func get_deposit_signature*(preset: RuntimeConfig,
deposit: DepositData,
privkey: ValidatorPrivKey): CookedSig =
@ -256,7 +256,7 @@ proc verify_sync_committee_message_signature*(
blsVerify(pubkey, signing_root.data, signature)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#aggregation-selection
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#aggregation-selection
proc is_sync_committee_aggregator*(signature: ValidatorSig): bool =
let
signatureDigest = eth2digest(signature.blob)

12
beacon_chain/spec/state_transition.nim
View File

@ -6,7 +6,7 @@
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# State transition, as described in
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
#
# The entry point is `state_transition` which is at the bottom of the file!
#
@ -56,7 +56,7 @@ export extras, phase0, altair
type Foo = phase0.SignedBeaconBlock | altair.SignedBeaconBlock | phase0.TrustedSignedBeaconBlock | altair.TrustedSignedBeaconBlock | phase0.SigVerifiedSignedBeaconBlock | altair.SigVerifiedSignedBeaconBlock | merge.TrustedSignedBeaconBlock | merge.SigVerifiedSignedBeaconBlock | merge.SignedBeaconBlock
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc verify_block_signature(
#state: ForkyBeaconState, signed_block: SomeSomeSignedBeaconBlock): bool {.nbench.} =
state: ForkyBeaconState, signed_block: Foo): bool {.nbench.} =
@ -78,7 +78,7 @@ proc verify_block_signature(
true
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc verifyStateRoot(state: ForkyBeaconState, blck: phase0.BeaconBlock or phase0.SigVerifiedBeaconBlock or altair.BeaconBlock or altair.SigVerifiedBeaconBlock or merge.BeaconBlock or merge.SigVerifiedBeaconBlock or merge.TrustedBeaconBlock): bool =
# This is inlined in state_transition(...) in spec.
let state_root = hash_tree_root(state)
@ -133,7 +133,7 @@ type
# Hashed-state transition functions
# ---------------------------------------------------------------
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
func process_slot*(
state: var ForkyBeaconState, pre_state_root: Eth2Digest) {.nbench.} =
# `process_slot` is the first stage of per-slot processing - it is run for
@ -358,7 +358,7 @@ proc state_transition*(
state_transition_block(
cfg, state, signedBlock, cache, flags, rollback)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#preparing-for-a-beaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#preparing-for-a-beaconblock
template partialBeaconBlock(
cfg: RuntimeConfig,
state: var phase0.HashedBeaconState,
@ -428,7 +428,7 @@ proc makeBeaconBlock*(
blck.state_root = state.root
ok(blck)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#preparing-a-beaconblock
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#preparing-a-beaconblock
template partialBeaconBlock(
cfg: RuntimeConfig,
state: var altair.HashedBeaconState,

22
beacon_chain/spec/state_transition_block.nim
View File

@ -6,7 +6,7 @@
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# State transition - block processing, as described in
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#block-processing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#block-processing
#
# The entry point is `process_block` which is at the bottom of this file.
#
@ -29,7 +29,7 @@ import
export extras, phase0, altair
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#block-header
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#block-header
func process_block_header*(
state: var ForkyBeaconState, blck: SomeSomeBeaconBlock, flags: UpdateFlags,
cache: var StateCache): Result[void, cstring] {.nbench.} =
@ -105,7 +105,7 @@ proc process_randao(
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#eth1-data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#eth1-data
func process_eth1_data(state: var ForkyBeaconState, body: SomeSomeBeaconBlockBody): Result[void, cstring] {.nbench.}=
if not state.eth1_data_votes.add body.eth1_data:
# Count is reset in process_final_updates, so this should never happen
@ -116,14 +116,14 @@ func process_eth1_data(state: var ForkyBeaconState, body: SomeSomeBeaconBlockBod
state.eth1_data = body.eth1_data
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_slashable_validator
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_slashable_validator
func is_slashable_validator(validator: Validator, epoch: Epoch): bool =
# Check if ``validator`` is slashable.
(not validator.slashed) and
(validator.activation_epoch <= epoch) and
(epoch < validator.withdrawable_epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#proposer-slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#proposer-slashings
proc check_proposer_slashing*(
state: var ForkyBeaconState, proposer_slashing: SomeProposerSlashing,
flags: UpdateFlags):
@ -185,7 +185,7 @@ proc process_proposer_slashing*(
cache)
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#is_slashable_attestation_data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#is_slashable_attestation_data
func is_slashable_attestation_data(
data_1: AttestationData, data_2: AttestationData): bool =
## Check if ``data_1`` and ``data_2`` are slashable according to Casper FFG
@ -197,7 +197,7 @@ func is_slashable_attestation_data(
(data_1.source.epoch < data_2.source.epoch and
data_2.target.epoch < data_1.target.epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attester-slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attester-slashings
proc check_attester_slashing*(
state: var ForkyBeaconState,
attester_slashing: SomeAttesterSlashing,
@ -237,7 +237,7 @@ proc check_attester_slashing*(
withState(state):
check_attester_slashing(state.data, attester_slashing, flags)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attester-slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attester-slashings
proc process_attester_slashing*(
cfg: RuntimeConfig,
state: var ForkyBeaconState,
@ -383,7 +383,7 @@ proc check_voluntary_exit*(
withState(state):
check_voluntary_exit(cfg, state.data, signed_voluntary_exit, flags)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#voluntary-exits
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#voluntary-exits
proc process_voluntary_exit*(
cfg: RuntimeConfig,
state: var ForkyBeaconState,
@ -396,7 +396,7 @@ proc process_voluntary_exit*(
cache)
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#operations
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#operations
proc process_operations(cfg: RuntimeConfig,
state: var ForkyBeaconState,
body: SomeSomeBeaconBlockBody,
@ -538,7 +538,7 @@ proc process_execution_payload*(
ok()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#block-processing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#block-processing
# TODO workaround for https://github.com/nim-lang/Nim/issues/18095
# copy of datatypes/phase0.nim
type SomePhase0Block =

82
beacon_chain/spec/state_transition_epoch.nim
View File

@ -6,8 +6,8 @@
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# State transition - epoch processing, as described in
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#epoch-processing and
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#epoch-processing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#epoch-processing and
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#epoch-processing
#
# The entry point is `process_epoch`, which is at the bottom of this file.
#
@ -36,7 +36,7 @@ export extras, phase0, altair
logScope: topics = "consens"
# Accessors that implement the max condition in `get_total_balance`:
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_total_balance
template current_epoch*(v: TotalBalances): Gwei =
max(EFFECTIVE_BALANCE_INCREMENT, v.current_epoch_raw)
template previous_epoch*(v: TotalBalances): Gwei =
@ -168,8 +168,8 @@ func is_eligible_validator*(validator: ParticipationInfo): bool =
# Spec
# --------------------------------------------------------
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_unslashed_participating_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_unslashed_participating_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_total_balance
func get_unslashed_participating_balances*(state: altair.BeaconState | merge.BeaconState):
UnslashedParticipatingBalances =
let
@ -256,7 +256,7 @@ proc process_justification_and_finalization*(state: var phase0.BeaconState,
## state.justification_bits[1:] = state.justification_bits[:-1]
## state.justification_bits[0] = 0b0
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#misc
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#misc
const JUSTIFICATION_BITS_LENGTH = 4
state.justification_bits = (state.justification_bits shl 1) and
@ -331,8 +331,8 @@ proc process_justification_and_finalization*(state: var phase0.BeaconState,
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#justification-and-finalization
# TODO merge these things -- effectively, the phase0 process_justification_and_finalization is mostly a stub in this world
proc weigh_justification_and_finalization(state: var (altair.BeaconState | merge.BeaconState),
total_active_balance: Gwei,
@ -352,7 +352,7 @@ proc weigh_justification_and_finalization(state: var (altair.BeaconState | merge
## state.justification_bits[1:] = state.justification_bits[:-1]
## state.justification_bits[0] = 0b0
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#misc
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#misc
const JUSTIFICATION_BITS_LENGTH = 4
state.justification_bits = (state.justification_bits shl 1) and
@ -445,7 +445,7 @@ proc process_justification_and_finalization*(state: var (altair.BeaconState | me
balances.previous_epoch[TIMELY_TARGET_FLAG_INDEX],
balances.current_epoch_TIMELY_TARGET, flags)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#helpers
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#helpers
func get_base_reward_sqrt*(state: phase0.BeaconState, index: ValidatorIndex,
total_balance_sqrt: auto): Gwei =
# Spec function recalculates total_balance every time, which creates an
@ -464,7 +464,7 @@ func is_in_inactivity_leak(finality_delay: uint64): bool =
func get_finality_delay(state: ForkyBeaconState): uint64 =
get_previous_epoch(state) - state.finalized_checkpoint.epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#rewards-and-penalties-1
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#rewards-and-penalties-1
func is_in_inactivity_leak(state: altair.BeaconState | merge.BeaconState): bool =
# TODO remove this, see above
get_finality_delay(state) > MIN_EPOCHS_TO_INACTIVITY_PENALTY
@ -567,7 +567,7 @@ func get_inactivity_penalty_delta*(validator: RewardStatus,
delta
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_attestation_deltas
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_attestation_deltas
func get_attestation_deltas(state: phase0.BeaconState, info: var phase0.EpochInfo) =
## Update rewards with attestation reward/penalty deltas for each validator.
@ -611,7 +611,7 @@ func get_attestation_deltas(state: phase0.BeaconState, info: var phase0.EpochInf
info.statuses[proposer_index].delta.add(
proposer_delta.get()[1])
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_base_reward
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_base_reward
func get_base_reward_increment(
state: altair.BeaconState | merge.BeaconState, index: ValidatorIndex,
base_reward_per_increment: Gwei): Gwei =
@ -621,7 +621,7 @@ func get_base_reward_increment(
state.validators[index].effective_balance div EFFECTIVE_BALANCE_INCREMENT
increments * base_reward_per_increment
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#get_flag_index_deltas
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#get_flag_index_deltas
iterator get_flag_index_deltas*(
state: altair.BeaconState | merge.BeaconState, flag_index: int,
base_reward_per_increment: Gwei,
@ -663,7 +663,7 @@ iterator get_flag_index_deltas*(
else:
(vidx, RewardDelta(rewards: 0.Gwei, penalties: 0.Gwei))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#modified-get_inactivity_penalty_deltas
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#modified-get_inactivity_penalty_deltas
iterator get_inactivity_penalty_deltas*(
cfg: RuntimeConfig, state: altair.BeaconState, info: altair.EpochInfo):
(ValidatorIndex, Gwei) =
@ -709,7 +709,7 @@ iterator get_inactivity_penalty_deltas*(
state.inactivity_scores[index]
yield (vidx, Gwei(penalty_numerator div penalty_denominator))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#rewards-and-penalties-1
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#rewards-and-penalties-1
func process_rewards_and_penalties(
state: var phase0.BeaconState, info: var phase0.EpochInfo) {.nbench.} =
# No rewards are applied at the end of `GENESIS_EPOCH` because rewards are
@ -732,7 +732,7 @@ func process_rewards_and_penalties(
decrease_balance(balance, v.delta.penalties)
state.balances.asSeq()[idx] = balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#rewards-and-penalties
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#rewards-and-penalties
func process_rewards_and_penalties(
cfg: RuntimeConfig, state: var (altair.BeaconState | merge.BeaconState),
info: var altair.EpochInfo)
@ -766,7 +766,7 @@ func process_rewards_and_penalties(
decrease_balance(balance, info.validators[index].delta.penalties)
state.balances.asSeq()[index] = balance
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#registry-updates
func process_registry_updates*(
cfg: RuntimeConfig, state: var ForkyBeaconState, cache: var StateCache) {.nbench.} =
## Process activation eligibility and ejections
@ -816,8 +816,8 @@ func process_registry_updates*(
state.validators[index].activation_epoch =
compute_activation_exit_epoch(get_current_epoch(state))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/merge/beacon-chain.md#slashings
func process_slashings*(state: var ForkyBeaconState, total_balance: Gwei) {.nbench.} =
let
@ -856,7 +856,7 @@ func process_eth1_data_reset*(state: var ForkyBeaconState) {.nbench.} =
if next_epoch mod EPOCHS_PER_ETH1_VOTING_PERIOD == 0:
state.eth1_data_votes = default(type state.eth1_data_votes)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#effective-balances-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#effective-balances-updates
func process_effective_balance_updates*(state: var ForkyBeaconState) {.nbench.} =
# Update effective balances with hysteresis
for index in 0..<state.validators.len:
@ -875,14 +875,14 @@ func process_effective_balance_updates*(state: var ForkyBeaconState) {.nbench.}
balance - balance mod EFFECTIVE_BALANCE_INCREMENT,
MAX_EFFECTIVE_BALANCE)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#slashings-balances-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#slashings-balances-updates
func process_slashings_reset*(state: var ForkyBeaconState) {.nbench.} =
let next_epoch = get_current_epoch(state) + 1
# Reset slashings
state.slashings[int(next_epoch mod EPOCHS_PER_SLASHINGS_VECTOR)] = 0.Gwei
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#randao-mixes-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#randao-mixes-updates
func process_randao_mixes_reset*(state: var ForkyBeaconState) {.nbench.} =
let
current_epoch = get_current_epoch(state)
@ -892,7 +892,7 @@ func process_randao_mixes_reset*(state: var ForkyBeaconState) {.nbench.} =
state.randao_mixes[next_epoch mod EPOCHS_PER_HISTORICAL_VECTOR] =
get_randao_mix(state, current_epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#historical-roots-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#historical-roots-updates
func process_historical_roots_update*(state: var ForkyBeaconState) {.nbench.} =
## Set historical root accumulator
let next_epoch = get_current_epoch(state) + 1
@ -900,13 +900,13 @@ func process_historical_roots_update*(state: var ForkyBeaconState) {.nbench.} =
if next_epoch mod (SLOTS_PER_HISTORICAL_ROOT div SLOTS_PER_EPOCH) == 0:
# Equivalent to hash_tree_root(foo: HistoricalBatch), but without using
# significant additional stack or heap.
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#historicalbatch
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#historicalbatch
# In response to https://github.com/status-im/nimbus-eth2/issues/921
if not state.historical_roots.add hash_tree_root(
[hash_tree_root(state.block_roots), hash_tree_root(state.state_roots)]):
raiseAssert "no more room for historical roots, so long and thanks for the fish!"
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#participation-records-rotation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#participation-records-rotation
func process_participation_record_updates*(state: var phase0.BeaconState) {.nbench.} =
# Rotate current/previous epoch attestations - using swap avoids copying all
# elements using a slow genericSeqAssign
@ -927,14 +927,14 @@ func process_participation_flag_updates*(state: var (altair.BeaconState | merge.
state.current_epoch_participation.resetCache()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#sync-committee-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#sync-committee-updates
proc process_sync_committee_updates*(state: var (altair.BeaconState | merge.BeaconState)) =
let next_epoch = get_current_epoch(state) + 1
if next_epoch mod EPOCHS_PER_SYNC_COMMITTEE_PERIOD == 0:
state.current_sync_committee = state.next_sync_committee
state.next_sync_committee = get_next_sync_committee(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#inactivity-scores
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#inactivity-scores
func process_inactivity_updates*(
cfg: RuntimeConfig, state: var (altair.BeaconState | merge.BeaconState),
info: altair.EpochInfo) =
@ -966,7 +966,7 @@ func process_inactivity_updates*(
inactivity_score -= min(INACTIVITY_SCORE_RECOVERY_RATE.uint64, inactivity_score)
state.inactivity_scores.asSeq()[index] = inactivity_score
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#epoch-processing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#epoch-processing
proc process_epoch*(
cfg: RuntimeConfig, state: var phase0.BeaconState, flags: UpdateFlags,
cache: var StateCache, info: var phase0.EpochInfo) {.nbench.} =
@ -989,31 +989,31 @@ proc process_epoch*(
# the finalization rules triggered.
doAssert state.finalized_checkpoint.epoch + 3 >= currentEpoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#rewards-and-penalties-1
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#rewards-and-penalties-1
process_rewards_and_penalties(state, info)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#registry-updates
process_registry_updates(cfg, state, cache)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#slashings
process_slashings(state, info.total_balances.current_epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#eth1-data-votes-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#eth1-data-votes-updates
process_eth1_data_reset(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#effective-balances-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#effective-balances-updates
process_effective_balance_updates(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#slashings-balances-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#slashings-balances-updates
process_slashings_reset(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#randao-mixes-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#randao-mixes-updates
process_randao_mixes_reset(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#historical-roots-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#historical-roots-updates
process_historical_roots_update(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#participation-records-rotation
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#participation-records-rotation
process_participation_record_updates(state)
func init*(
@ -1037,7 +1037,7 @@ func init*(
T: type altair.EpochInfo, state: altair.BeaconState | merge.BeaconState): T =
init(result, state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/beacon-chain.md#epoch-processing
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/beacon-chain.md#epoch-processing
proc process_epoch*(
cfg: RuntimeConfig, state: var (altair.BeaconState | merge.BeaconState),
flags: UpdateFlags, cache: var StateCache, info: var altair.EpochInfo)
@ -1048,7 +1048,7 @@ proc process_epoch*(
info.init(state)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#justification-and-finalization
process_justification_and_finalization(state, info.balances, flags)
# state.slot hasn't been incremented yet.
@ -1066,7 +1066,7 @@ proc process_epoch*(
# https://github.com/ethereum/consensus-specs/blob/v1.1.0/specs/phase0/beacon-chain.md#rewards-and-penalties-1
process_rewards_and_penalties(cfg, state, info)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#registry-updates
process_registry_updates(cfg, state, cache)
# https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#slashings

22
beacon_chain/spec/validator.nim
View File

@ -22,8 +22,8 @@ const
PIVOT_VIEW_SIZE = SEED_SIZE + ROUND_SIZE
TOTAL_SIZE = PIVOT_VIEW_SIZE + POSITION_WINDOW_SIZE
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_committee
# Port of https://github.com/protolambda/zrnt/blob/master/eth2/beacon/shuffle.go
# Shuffles or unshuffles, depending on the `dir` (true for shuffling, false for unshuffling
func shuffle_list*(input: var seq[ValidatorIndex], seed: Eth2Digest) =
@ -153,13 +153,13 @@ func get_shuffled_active_validator_indices*(
withState(state):
cache.get_shuffled_active_validator_indices(state.data, epoch)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_active_validator_indices
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_active_validator_indices
func count_active_validators*(state: ForkyBeaconState,
epoch: Epoch,
cache: var StateCache): uint64 =
cache.get_shuffled_active_validator_indices(state, epoch).lenu64
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_committee_count_per_slot
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_committee_count_per_slot
func get_committee_count_per_slot*(num_active_validators: uint64): uint64 =
clamp(
num_active_validators div SLOTS_PER_EPOCH div TARGET_COMMITTEE_SIZE,
@ -194,7 +194,7 @@ func get_committee_count_per_slot*(state: ForkyBeaconState,
cache: var StateCache): uint64 =
get_committee_count_per_slot(state, slot.compute_epoch_at_slot, cache)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_previous_epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_previous_epoch
func get_previous_epoch*(current_epoch: Epoch): Epoch =
## Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
if current_epoch == GENESIS_EPOCH:
@ -212,7 +212,7 @@ func get_previous_epoch*(state: ForkedHashedBeaconState): Epoch =
## Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
get_previous_epoch(get_current_epoch(state))
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_committee
func compute_committee_slice*(
active_validators, index, count: uint64): Slice[int] =
doAssert active_validators <= ValidatorIndex.high.uint64
@ -256,7 +256,7 @@ func compute_committee_len*(
(slice.b - slice.a + 1).uint64
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_committee
iterator get_beacon_committee*(
state: ForkyBeaconState, slot: Slot, index: CommitteeIndex,
cache: var StateCache): ValidatorIndex =
@ -319,7 +319,7 @@ func get_beacon_committee_len*(
withState(state):
get_beacon_committee_len(state.data, slot, index, cache)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#compute_shuffled_index
func compute_shuffled_index*(
index: uint64, index_count: uint64, seed: Eth2Digest): uint64 =
## Return the shuffled index corresponding to ``seed`` (and ``index_count``).
@ -381,7 +381,7 @@ func compute_proposer_index(state: ForkyBeaconState,
return some(candidate_index)
i += 1
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_proposer_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_proposer_index
func get_beacon_proposer_index*(
state: ForkyBeaconState, cache: var StateCache, slot: Slot):
Option[ValidatorIndex] =
@ -414,7 +414,7 @@ func get_beacon_proposer_index*(
return res
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#get_beacon_proposer_index
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#get_beacon_proposer_index
func get_beacon_proposer_index*(state: ForkyBeaconState, cache: var StateCache):
Option[ValidatorIndex] =
get_beacon_proposer_index(state, cache, state.slot)
@ -425,7 +425,7 @@ func get_beacon_proposer_index*(state: ForkedHashedBeaconState,
withState(state):
get_beacon_proposer_index(state.data, cache, slot)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#aggregation-selection
func is_aggregator*(committee_len: uint64, slot_signature: ValidatorSig): bool =
let
modulo = max(1'u64, committee_len div TARGET_AGGREGATORS_PER_COMMITTEE)

6
beacon_chain/validators/validator_duties.nim
View File

@ -813,7 +813,7 @@ proc makeAggregateAndProof*(
# TODO for testing purposes, refactor this into the condition check
# and just calculation
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#aggregation-selection
if not is_aggregator(epochRef, slot, index, slot_signature):
return none(AggregateAndProof)
@ -821,8 +821,8 @@ proc makeAggregateAndProof*(
if maybe_slot_attestation.isNone:
return none(AggregateAndProof)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#construct-aggregate
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#aggregateandproof
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#construct-aggregate
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#aggregateandproof
some(AggregateAndProof(
aggregator_index: validatorIndex.uint64,
aggregate: maybe_slot_attestation.get,

8
beacon_chain/validators/validator_pool.nim
View File

@ -139,7 +139,7 @@ proc signWithRemoteValidator(v: AttachedValidator,
discard v.connection.outStream.readLine(line)
return ValidatorSig.fromHex(line).get()
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#signature
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#signature
proc signBlockProposal*(v: AttachedValidator, fork: Fork,
genesis_validators_root: Eth2Digest, slot: Slot,
blockRoot: Eth2Digest): Future[ValidatorSig] {.async.} =
@ -220,7 +220,7 @@ proc signSyncCommitteeMessage*(v: AttachedValidator,
validator_index: v.index.get.uint64,
signature: signature)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#aggregation-selection
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#aggregation-selection
proc getSyncCommitteeSelectionProof*(
v: AttachedValidator,
fork: Fork,
@ -238,7 +238,7 @@ proc getSyncCommitteeSelectionProof*(
of ValidatorKind.Remote:
await signWithRemoteValidator(v, signing_root)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/altair/validator.md#signature
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/altair/validator.md#signature
proc sign*(
v: AttachedValidator,
msg: ref SignedContributionAndProof,
@ -255,7 +255,7 @@ proc sign*(
of ValidatorKind.Remote:
await signWithRemoteValidator(v, signing_root)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#randao-reveal
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#randao-reveal
func genRandaoReveal*(k: ValidatorPrivKey, fork: Fork,
genesis_validators_root: Eth2Digest,
slot: Slot): CookedSig =

8
docs/attestation_flow.md
View File

@ -6,10 +6,10 @@ This is a WIP document to explain the attestation flows.
It is important to distinguish attestation `validation` from attestation `verification`.
- Attestation `validation` is defined in the P2P specs. Validated attestations can be forwarded on GossipSub.
- Aggregated: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- Unaggregated: https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
- Aggregated: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- Unaggregated: https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
- Attestation `verification` is defined in the consensus specs. Verified attestations can affect fork choice and may be included in a block.
- https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attestations
- https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attestations
From the specs it seems like gossip attestation `validation` is a superset of consensus attestation `verification`.
@ -52,7 +52,7 @@ These GossipSub topics are used to listen for attestations:
The attestations are then validated by `validateAttestation()` or `validateAggregate()` in either `attestationValidator()` or `aggregateValidator()` according to the P2P specs.
- https://github.com/ethereum/consensus-specs/blob/v1.1.0/specs/phase0/p2p-interface.md#beacon_aggregate_and_proof
- https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#attestation-subnets
- https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#attestation-subnets
Finally, valid attestations are added to the local `attestationPool`.
Attestations are dropped in case of an error.

8
docs/block_flow.md
View File

@ -6,10 +6,10 @@ This is a WIP document to explain the beacon block flows.
Important distinction:
- We distinguish block `validation` which is defined in the P2P specs:
https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_block.
https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_block.
A validated block can be forwarded on gossipsub.
- and we distinguish `verification` which is defined in consensus specs:
https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#block-processing
https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#block-processing
A block needs to be verified to enter fork choice, the DAG and the BeaconChainDB
In particular in terms of costly checks validating a block only requires checking:
@ -103,7 +103,7 @@ It is important to note that 3 data structures are sharing the same `AsyncQueue[
Blocks are listened to via the gossipsub topic `/eth2/{$forkDigest}/beacon_block/ssz_snappy` (`topicBeaconBlocks` variable)
They are then:
- validated by `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_block
- validated by `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_block
- Important: P2P validation is not full verification (state transition and internal cryptographic signatures were not checked)
- enqueued in the shared block queue `AsyncQueue[BlockEntry]` in case of success
- dropped in case of error
@ -115,7 +115,7 @@ Logs:
### Gossip flow out
- After validation in `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/p2p-interface.md#beacon_block
- After validation in `blockValidator()` in the Eth2Processor by `validateBeaconBlock()` according to spec https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/p2p-interface.md#beacon_block
- Important: P2P validation is not full verification (state transition and internal cryptographic signatures were not checked)
- We jump into libp2p/protocols/pubsub/pubsub.nim in the method `validate(PubSub, message)`
- which was called by `rpcHandler(GossipSub, PubSubPeer, RPCMsg)`

2
tests/consensus_spec/fixtures_utils.nim
View File

@ -40,7 +40,7 @@ type
rewards*: List[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
penalties*: List[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#eth1block
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#eth1block
Eth1Block* = object
timestamp*: uint64
deposit_root*: Eth2Digest

2
tests/spec_block_processing/test_process_attestation.nim
View File

@ -6,7 +6,7 @@
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# process_attestation (beaconstate.nim)
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/beacon-chain.md#attestations
# ---------------------------------------------------------------
{.used.}

2
tests/testblockutil.nim
View File

@ -170,7 +170,7 @@ func makeAttestationData*(
"Computed epoch was " & $slot.compute_epoch_at_slot &
" while the state current_epoch was " & $current_epoch
# https://github.com/ethereum/consensus-specs/blob/v1.1.4/specs/phase0/validator.md#attestation-data
# https://github.com/ethereum/consensus-specs/blob/v1.1.5/specs/phase0/validator.md#attestation-data
AttestationData(
slot: slot,
index: committee_index.uint64,