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bump 1.0.0rc-0 spec refs to 1.0.0 (#1974)

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tersec 2020-11-09 14:18:55 +00:00 committed by GitHub
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31 changed files with 203 additions and 203 deletions
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10
beacon_chain/attestation_aggregation.nim
View File

@ -18,7 +18,7 @@ import
logScope:
topics = "att_aggr"
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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)
@ -39,7 +39,7 @@ proc aggregate_attestations*(
# TODO for testing purposes, refactor this into the condition check
# and just calculation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregation-selection
if not is_aggregator(epochRef, slot, index, slot_signature):
return none(AggregateAndProof)
@ -47,8 +47,8 @@ proc aggregate_attestations*(
if maybe_slot_attestation.isNone:
return none(AggregateAndProof)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#construct-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregateandproof
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#construct-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregateandproof
some(AggregateAndProof(
aggregator_index: validatorIndex.uint64,
aggregate: maybe_slot_attestation.get,
@ -155,7 +155,7 @@ func check_attestation_subnet(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
proc validateAttestation*(
pool: var AttestationPool,
attestation: Attestation, wallTime: BeaconTime,

4
beacon_chain/attestation_pool.nim
View File

@ -288,7 +288,7 @@ proc getAttestationsForBlock*(pool: AttestationPool,
for a in attestations:
var
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#construct-attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#construct-attestation
attestation = Attestation(
aggregation_bits: a.validations[0].aggregation_bits,
data: a.data,
@ -348,7 +348,7 @@ proc getAggregatedAttestation*(pool: AttestationPool,
continue
var
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#construct-attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#construct-attestation
attestation = Attestation(
aggregation_bits: a.validations[0].aggregation_bits,
data: a.data,

2
beacon_chain/block_pools/chain_dag.nim
View File

@ -201,7 +201,7 @@ func isAncestorOf*(a, b: BlockRef): bool =
func get_ancestor*(blck: BlockRef, slot: Slot,
maxDepth = 100'i64 * 365 * 24 * 60 * 60 div SECONDS_PER_SLOT.int):
BlockRef =
## https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/fork-choice.md#get_ancestor
## https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/fork-choice.md#get_ancestor
## Return the most recent block as of the time at `slot` that not more recent
## than `blck` itself
doAssert not blck.isNil

4
beacon_chain/block_pools/clearance.nim
View File

@ -262,7 +262,7 @@ proc addRawBlock*(
return err((ValidationResult.Ignore, MissingParent))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#beacon_block
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#beacon_block
proc isValidBeaconBlock*(
dag: ChainDAGRef, quarantine: var QuarantineRef,
signed_beacon_block: SignedBeaconBlock, wallTime: BeaconTime,
@ -298,7 +298,7 @@ proc isValidBeaconBlock*(
# proposer for the slot, signed_beacon_block.message.slot.
#
# While this condition is similar to the proposer slashing condition at
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#proposer-slashing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#proposer-slashing
# it's not identical, and this check does not address slashing:
#
# (1) The beacon blocks must be conflicting, i.e. different, for the same

22
beacon_chain/block_pools/spec_cache.nim
View File

@ -18,11 +18,11 @@ import
func count_active_validators*(epochInfo: EpochRef): uint64 =
epochInfo.shuffled_active_validator_indices.lenu64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_committee_count_per_slot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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``.
@ -35,7 +35,7 @@ iterator get_beacon_committee*(
committees_per_slot * SLOTS_PER_EPOCH
): yield idx
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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``.
@ -48,7 +48,7 @@ func get_beacon_committee*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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``.
@ -62,7 +62,7 @@ func get_beacon_committee_len*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attesting_indices
iterator get_attesting_indices*(epochRef: EpochRef,
data: AttestationData,
bits: CommitteeValidatorsBits):
@ -76,7 +76,7 @@ iterator get_attesting_indices*(epochRef: EpochRef,
yield index
inc i
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attesting_indices
func get_attesting_indices*(epochRef: EpochRef,
data: AttestationData,
bits: CommitteeValidatorsBits):
@ -84,7 +84,7 @@ func get_attesting_indices*(epochRef: EpochRef,
for idx in get_attesting_indices(epochRef, data, bits):
result.incl(idx)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_indexed_attestation
func get_indexed_attestation*(epochRef: EpochRef, attestation: Attestation): IndexedAttestation =
# Return the indexed attestation corresponding to ``attestation``.
let
@ -100,7 +100,7 @@ func get_indexed_attestation*(epochRef: EpochRef, attestation: Attestation): Ind
signature: attestation.signature
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregation-selection
func is_aggregator*(epochRef: EpochRef, slot: Slot, index: CommitteeIndex,
slot_signature: ValidatorSig): bool =
let
@ -109,7 +109,7 @@ func is_aggregator*(epochRef: EpochRef, slot: Slot, index: CommitteeIndex,
bytes_to_uint64(eth2digest(
slot_signature.toRaw()).data.toOpenArray(0, 7)) mod modulo == 0
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*(
fork: Fork, genesis_validators_root: Eth2Digest,
epochRef: EpochRef, indexed_attestation: SomeIndexedAttestation,
@ -149,7 +149,7 @@ proc is_valid_indexed_attestation*(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*(
fork: Fork, genesis_validators_root: Eth2Digest,
epochRef: EpochRef, attesting_indices: HashSet[ValidatorIndex],
@ -190,7 +190,7 @@ func makeAttestationData*(
doAssert current_epoch == epochRef.epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#attestation-data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#attestation-data
AttestationData(
slot: slot,
index: committee_index.uint64,

8
beacon_chain/eth1_monitor.nim
View File

@ -127,17 +127,17 @@ proc fixupInfuraUrls*(web3Url: var string) =
# doAssert SECONDS_PER_ETH1_BLOCK * preset.ETH1_FOLLOW_DISTANCE < GENESIS_DELAY,
# "Invalid configuration: GENESIS_DELAY is set too low"
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#get_eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#get_eth1_data
func compute_time_at_slot(state: BeaconState, slot: Slot): uint64 =
state.genesis_time + slot * SECONDS_PER_SLOT
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#get_eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#get_eth1_data
func voting_period_start_time*(state: BeaconState): uint64 =
let eth1_voting_period_start_slot =
state.slot - state.slot mod SLOTS_PER_ETH1_VOTING_PERIOD.uint64
compute_time_at_slot(state, eth1_voting_period_start_slot)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#get_eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#get_eth1_data
func is_candidate_block(preset: RuntimePreset, blk: Eth1Block, period_start: uint64): bool =
(blk.timestamp + SECONDS_PER_ETH1_BLOCK.uint64 * preset.ETH1_FOLLOW_DISTANCE <= period_start) and
(blk.timestamp + SECONDS_PER_ETH1_BLOCK.uint64 * preset.ETH1_FOLLOW_DISTANCE * 2 >= period_start)
@ -308,7 +308,7 @@ proc onBlockHeaders*(p: Web3DataProviderRef,
func getDepositsRoot(m: DepositsMerkleizer): Eth2Digest =
mixInLength(m.getFinalHash, int m.totalChunks)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#get_eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#get_eth1_data
proc getBlockProposalData*(m: Eth1Monitor,
state: BeaconState,
finalizedEth1Data: Eth1Data): (Eth1Data, seq[Deposit]) =

6
beacon_chain/exit_pool.nim
View File

@ -139,7 +139,7 @@ func getVoluntaryExitsForBlock*(pool: var ExitPool):
getExitMessagesForBlock[SignedVoluntaryExit](
pool.voluntary_exits, pool, MAX_VOLUNTARY_EXITS)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#attester_slashing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#attester_slashing
proc validateAttesterSlashing*(
pool: var ExitPool, attester_slashing: AttesterSlashing):
Result[bool, (ValidationResult, cstring)] =
@ -180,7 +180,7 @@ proc validateAttesterSlashing*(
ok(true)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#proposer_slashing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#proposer_slashing
proc validateProposerSlashing*(
pool: var ExitPool, proposer_slashing: ProposerSlashing):
Result[bool, (ValidationResult, cstring)] =
@ -210,7 +210,7 @@ proc validateProposerSlashing*(
ok(true)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#voluntary_exit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#voluntary_exit
proc validateVoluntaryExit*(
pool: var ExitPool, signed_voluntary_exit: SignedVoluntaryExit):
Result[bool, (ValidationResult, cstring)] =

2
beacon_chain/merkle_minimal.nim
View File

@ -5,7 +5,7 @@
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
# Merkle tree helpers
# ---------------------------------------------------------------

10
beacon_chain/nimbus_beacon_node.nim
View File

@ -321,14 +321,14 @@ func verifyFinalization(node: BeaconNode, slot: Slot) =
proc installAttestationSubnetHandlers(node: BeaconNode, subnets: set[uint8]) =
var attestationSubscriptions: seq[Future[void]] = @[]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#attestations-and-aggregation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#attestations-and-aggregation
for subnet in subnets:
attestationSubscriptions.add(node.network.subscribe(
getAttestationTopic(node.forkDigest, subnet)))
waitFor allFutures(attestationSubscriptions)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#metadata
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#metadata
node.network.metadata.seq_number += 1
for subnet in subnets:
node.network.metadata.attnets[subnet] = true
@ -370,7 +370,7 @@ proc cycleAttestationSubnets(node: BeaconNode, slot: Slot) =
waitFor allFutures(unsubscriptions)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#metadata
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#metadata
# The race condition window is smaller by placing the fast, local, and
# synchronous operation after a variable-latency, asynchronous action.
node.network.metadata.seq_number += 1
@ -394,7 +394,7 @@ proc getAttestationHandlers(node: BeaconNode): Future[void] =
initialSubnets.incl i
node.installAttestationSubnetHandlers(initialSubnets)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
let wallEpoch = node.beaconClock.now().slotOrZero().epoch
node.attestationSubnets.stabilitySubnet = rand(ATTESTATION_SUBNET_COUNT - 1).uint64
node.attestationSubnets.stabilitySubnetExpirationEpoch =
@ -687,7 +687,7 @@ proc installRpcHandlers(rpcServer: RpcServer, node: BeaconNode) =
rpcServer.installValidatorApiHandlers(node)
proc installMessageValidators(node: BeaconNode) =
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#attestations-and-aggregation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#attestations-and-aggregation
# These validators stay around the whole time, regardless of which specific
# subnets are subscribed to during any given epoch.
for it in 0'u64 ..< ATTESTATION_SUBNET_COUNT.uint64:

4
beacon_chain/nimbus_validator_client.nim
View File

@ -165,7 +165,7 @@ proc onSlotStart(vc: ValidatorClient, lastSlot, scheduledSlot: Slot) {.gcsafe, a
slot = slot,
existingProposal = notSlashable.error
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#attesting
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#attesting
# A validator should create and broadcast the attestation to the associated
# attestation subnet when either (a) the validator has received a valid
# block from the expected block proposer for the assigned slot or
@ -212,7 +212,7 @@ proc onSlotStart(vc: ValidatorClient, lastSlot, scheduledSlot: Slot) {.gcsafe, a
validator = a.public_key,
badVoteDetails = $notSlashable.error
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#broadcast-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#broadcast-aggregate
# If the validator is selected to aggregate (is_aggregator), then they
# broadcast their best aggregate as a SignedAggregateAndProof to the global
# aggregate channel (beacon_aggregate_and_proof) two-thirds of the way

52
beacon_chain/spec/beaconstate.nim
View File

@ -14,7 +14,7 @@ import
./crypto, ./datatypes, ./digest, ./helpers, ./signatures, ./validator,
../../nbench/bench_lab
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_valid_merkle_branch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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 {.nbench.}=
@ -34,13 +34,13 @@ func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openArray[Eth2Digest],
value = eth2digest(buf)
value == root
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#increase_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#increase_balance
func increase_balance*(
state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
## Increase the validator balance at index ``index`` by ``delta``.
state.balances[index] += delta
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#decrease_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#decrease_balance
func decrease_balance*(
state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
## Decrease the validator balance at index ``index`` by ``delta``, with
@ -51,7 +51,7 @@ func decrease_balance*(
else:
state.balances[index] - delta
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#deposits
func get_validator_from_deposit(state: BeaconState, deposit: Deposit):
Validator =
let
@ -118,13 +118,13 @@ proc process_deposit*(preset: RuntimePreset,
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_activation_exit_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_activation_exit_epoch
func compute_activation_exit_epoch(epoch: Epoch): Epoch =
## Return the epoch during which validator activations and exits initiated in
## ``epoch`` take effect.
epoch + 1 + MAX_SEED_LOOKAHEAD
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_validator_churn_limit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_validator_churn_limit
func get_validator_churn_limit(state: BeaconState, cache: var StateCache): uint64 =
## Return the validator churn limit for the current epoch.
max(
@ -132,7 +132,7 @@ func get_validator_churn_limit(state: BeaconState, cache: var StateCache): uint6
count_active_validators(
state, state.get_current_epoch(), cache) div CHURN_LIMIT_QUOTIENT)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#initiate_validator_exit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#initiate_validator_exit
func initiate_validator_exit*(state: var BeaconState,
index: ValidatorIndex, cache: var StateCache) =
## Initiate the exit of the validator with index ``index``.
@ -169,7 +169,7 @@ func initiate_validator_exit*(state: var BeaconState,
validator.withdrawable_epoch =
validator.exit_epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#slash_validator
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#slash_validator
proc slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
cache: var StateCache) =
## Slash the validator with index ``index``.
@ -216,7 +216,7 @@ proc slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
func genesis_time_from_eth1_timestamp*(preset: RuntimePreset, eth1_timestamp: uint64): uint64 =
eth1_timestamp + preset.GENESIS_DELAY
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#genesis
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#genesis
proc initialize_beacon_state_from_eth1*(
preset: RuntimePreset,
eth1_block_hash: Eth2Digest,
@ -313,7 +313,7 @@ func emptyBeaconBlockBody(): BeaconBlockBody =
# TODO: This shouldn't be necessary if OpaqueBlob is the default
BeaconBlockBody(randao_reveal: ValidatorSig(kind: OpaqueBlob))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#genesis-block
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#genesis-block
func get_initial_beacon_block*(state: BeaconState): SignedBeaconBlock =
let message = BeaconBlock(
slot: state.slot,
@ -323,7 +323,7 @@ func get_initial_beacon_block*(state: BeaconState): SignedBeaconBlock =
# initialized to default values.
SignedBeaconBlock(message: message, root: hash_tree_root(message))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_block_root_at_slot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_block_root_at_slot
func get_block_root_at_slot*(state: BeaconState,
slot: Slot): Eth2Digest =
## Return the block root at a recent ``slot``.
@ -336,12 +336,12 @@ func get_block_root_at_slot*(state: BeaconState,
doAssert slot < state.slot
state.block_roots[slot mod SLOTS_PER_HISTORICAL_ROOT]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_block_root
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_block_root
func get_block_root*(state: BeaconState, 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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_total_balance
func get_total_balance*(state: BeaconState, validators: auto): Gwei =
## Return the combined effective balance of the ``indices``.
## ``EFFECTIVE_BALANCE_INCREMENT`` Gwei minimum to avoid divisions by zero.
@ -350,13 +350,13 @@ func get_total_balance*(state: BeaconState, validators: auto): Gwei =
foldl(validators, a + state.validators[b].effective_balance, 0'u64)
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_eligible_for_activation_queue
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_eligible_for_activation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#is_eligible_for_activation
func is_eligible_for_activation(state: BeaconState, validator: Validator):
bool =
## Check if ``validator`` is eligible for activation.
@ -366,7 +366,7 @@ func is_eligible_for_activation(state: BeaconState, validator: Validator):
# Has not yet been activated
validator.activation_epoch == FAR_FUTURE_EPOCH
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#registry-updates
proc process_registry_updates*(state: var BeaconState,
cache: var StateCache) {.nbench.} =
## Process activation eligibility and ejections
@ -416,7 +416,7 @@ proc process_registry_updates*(state: var BeaconState,
validator.activation_epoch =
compute_activation_exit_epoch(get_current_epoch(state))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*(
state: BeaconState, indexed_attestation: SomeIndexedAttestation,
flags: UpdateFlags): Result[void, cstring] =
@ -455,7 +455,7 @@ proc is_valid_indexed_attestation*(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attesting_indices
iterator get_attesting_indices*(bits: CommitteeValidatorsBits,
committee: openArray[ValidatorIndex]):
ValidatorIndex =
@ -467,7 +467,7 @@ iterator get_attesting_indices*(bits: CommitteeValidatorsBits,
# This shouldn't happen if one begins with a valid BeaconState and applies
# valid updates, but one can construct a BeaconState where it does. Do not
# do anything here since the PendingAttestation wouldn't have made it past
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attestations
# which checks len(attestation.aggregation_bits) == len(committee) that in
# nimbus-eth2 lives in check_attestation(...).
# Addresses https://github.com/status-im/nimbus-eth2/issues/922
@ -480,7 +480,7 @@ func get_attesting_indices*(bits: CommitteeValidatorsBits,
for idx in get_attesting_indices(bits, committee):
result.incl idx
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attesting_indices
iterator get_attesting_indices*(state: BeaconState,
data: AttestationData,
bits: CommitteeValidatorsBits,
@ -494,7 +494,7 @@ iterator get_attesting_indices*(state: BeaconState,
yield index
inc i
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attesting_indices
func get_attesting_indices*(state: BeaconState,
data: AttestationData,
bits: CommitteeValidatorsBits,
@ -504,7 +504,7 @@ func get_attesting_indices*(state: BeaconState,
for index in get_attesting_indices(state, data, bits, cache):
result.incl index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_indexed_attestation
func get_indexed_attestation(state: BeaconState, attestation: Attestation,
cache: var StateCache): IndexedAttestation =
## Return the indexed attestation corresponding to ``attestation``.
@ -539,8 +539,8 @@ func get_indexed_attestation(state: BeaconState, attestation: TrustedAttestation
# Attestation validation
# ------------------------------------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#beacon_attestation_subnet_id
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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)):
@ -579,7 +579,7 @@ func check_attestation_index(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attestations
proc check_attestation*(
state: BeaconState, attestation: SomeAttestation, flags: UpdateFlags,
cache: var StateCache): Result[void, cstring] =
@ -673,7 +673,7 @@ func makeAttestationData*(
"Computed epoch was " & $slot.compute_epoch_at_slot &
" while the state current_epoch was " & $current_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#attestation-data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#attestation-data
AttestationData(
slot: slot,
index: committee_index.uint64,

4
beacon_chain/spec/crypto.nim
View File

@ -82,7 +82,7 @@ export AggregateSignature
# API
# ----------------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#bls-signatures
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#bls-signatures
func toPubKey*(privkey: ValidatorPrivKey): ValidatorPubKey =
## Create a private key from a public key
@ -132,7 +132,7 @@ func finish*(agg: AggregateSignature): ValidatorSig {.inline.}=
result.kind = Real
result.blsValue.finish(agg)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#bls-signatures
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#bls-signatures
proc blsVerify*(
pubkey: ValidatorPubKey, message: openArray[byte],
signature: ValidatorSig): bool =

60
beacon_chain/spec/datatypes.nim
View File

@ -64,7 +64,7 @@ const
# Not part of spec. Still useful, pending removing usage if appropriate.
ZERO_HASH* = Eth2Digest()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#configuration
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#configuration
ATTESTATION_PROPAGATION_SLOT_RANGE* = 32
MAXIMUM_GOSSIP_CLOCK_DISPARITY* = 500.millis
@ -79,7 +79,7 @@ template maxSize*(n: int) {.pragma.}
type
# Domains
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#domain-types
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#domain-types
DomainType* = enum
DOMAIN_BEACON_PROPOSER = 0
DOMAIN_BEACON_ATTESTER = 1
@ -89,7 +89,7 @@ type
DOMAIN_SELECTION_PROOF = 5
DOMAIN_AGGREGATE_AND_PROOF = 6
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#custom-types
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#custom-types
Domain* = array[32, byte]
# https://github.com/nim-lang/Nim/issues/574 and be consistent across
@ -113,17 +113,17 @@ type
Gwei* = uint64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#proposerslashing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#proposerslashing
ProposerSlashing* = object
signed_header_1*: SignedBeaconBlockHeader
signed_header_2*: SignedBeaconBlockHeader
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attesterslashing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attesterslashing
AttesterSlashing* = object
attestation_1*: IndexedAttestation
attestation_2*: IndexedAttestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#indexedattestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#indexedattestation
IndexedAttestation* = object
attesting_indices*: List[uint64, Limit MAX_VALIDATORS_PER_COMMITTEE]
data*: AttestationData
@ -136,7 +136,7 @@ type
CommitteeValidatorsBits* = BitList[Limit MAX_VALIDATORS_PER_COMMITTEE]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attestation
Attestation* = object
aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData
@ -149,17 +149,17 @@ type
ForkDigest* = distinct array[4, byte]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#forkdata
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#forkdata
ForkData* = object
current_version*: Version
genesis_validators_root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#checkpoint
Checkpoint* = object
epoch*: Epoch
root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#AttestationData
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#AttestationData
AttestationData* = object
slot*: Slot
@ -172,20 +172,20 @@ type
source*: Checkpoint
target*: Checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#deposit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#depositmessage
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#depositmessage
DepositMessage* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
amount*: Gwei
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#depositdata
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#depositdata
DepositData* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
@ -194,14 +194,14 @@ type
# if the deposit should be added or not during processing
signature*: ValidatorSig # Signing over DepositMessage
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#voluntaryexit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#voluntaryexit
VoluntaryExit* = object
epoch*: Epoch ##\
## Earliest epoch when voluntary exit can be processed
validator_index*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beaconblock
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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
@ -243,7 +243,7 @@ type
state_root*: Eth2Digest ##\
body*: TrustedBeaconBlockBody
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beaconblockheader
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beaconblockheader
BeaconBlockHeader* = object
slot*: Slot
proposer_index*: uint64
@ -251,14 +251,14 @@ type
state_root*: Eth2Digest
body_root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#signingdata
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#signingdata
SigningData* = object
object_root*: Eth2Digest
domain*: Domain
GraffitiBytes* = distinct array[32, byte]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beaconblockbody
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beaconblockbody
BeaconBlockBody* = object
randao_reveal*: ValidatorSig
eth1_data*: Eth1Data
@ -289,7 +289,7 @@ type
SomeAttestation* = Attestation | TrustedAttestation
SomeIndexedAttestation* = IndexedAttestation | TrustedIndexedAttestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beaconstate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beaconstate
BeaconState* = object
# Versioning
genesis_time*: uint64
@ -353,7 +353,7 @@ type
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#validator
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#validator
Validator* = object
pubkey*: ValidatorPubKey
@ -375,7 +375,7 @@ type
withdrawable_epoch*: Epoch ##\
## When validator can withdraw or transfer funds
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#pendingattestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#pendingattestation
PendingAttestation* = object
aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData
@ -384,12 +384,12 @@ type
proposer_index*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#historicalbatch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#fork
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#fork
Fork* = object
previous_version*: Version
current_version*: Version
@ -397,25 +397,25 @@ type
epoch*: Epoch ##\
## Epoch of latest fork
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#eth1data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#eth1data
Eth1Data* = object
deposit_root*: Eth2Digest
deposit_count*: uint64
block_hash*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#eth1block
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#eth1block
Eth1Block* = object
timestamp*: uint64
deposit_root*: Eth2Digest
deposit_count*: uint64
# All other eth1 block fields
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#signedvoluntaryexit
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#signedvoluntaryexit
SignedVoluntaryExit* = object
message*: VoluntaryExit
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#signedbeaconblock
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object
message*: BeaconBlock
signature*: ValidatorSig
@ -428,18 +428,18 @@ type
root* {.dontSerialize.}: Eth2Digest # cached root of signed beacon block
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#signedbeaconblockheader
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#signedbeaconblockheader
SignedBeaconBlockHeader* = object
message*: BeaconBlockHeader
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregateandproof
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregateandproof
AggregateAndProof* = object
aggregator_index*: uint64
aggregate*: Attestation
selection_proof*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#signedaggregateandproof
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#signedaggregateandproof
SignedAggregateAndProof* = object
message*: AggregateAndProof
signature*: ValidatorSig

2
beacon_chain/spec/digest.nim
View File

@ -7,7 +7,7 @@
# Serenity hash function / digest
#
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#hash
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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)

26
beacon_chain/spec/helpers.nim
View File

@ -22,7 +22,7 @@ type
# (other candidate is nativesockets.Domain)
Domain = datatypes.Domain
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#integer_squareroot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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
@ -35,7 +35,7 @@ func integer_squareroot*(n: SomeInteger): SomeInteger =
y = (x + n div x) div 2
x
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_epoch_at_slot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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
@ -46,17 +46,17 @@ template epoch*(slot: Slot): Epoch =
template isEpoch*(slot: Slot): bool =
(slot mod SLOTS_PER_EPOCH) == 0
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_start_slot_at_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_start_slot_at_epoch
func compute_start_slot_at_epoch*(epoch: Epoch): Slot =
## Return the start slot of ``epoch``.
(epoch * SLOTS_PER_EPOCH).Slot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_active_validator
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#is_active_validator
func is_active_validator*(validator: Validator, epoch: Epoch): bool =
## Check if ``validator`` is active
validator.activation_epoch <= epoch and epoch < validator.exit_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_active_validator_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_active_validator_indices
func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
seq[ValidatorIndex] =
## Return the sequence of active validator indices at ``epoch``.
@ -69,13 +69,13 @@ func get_active_validator_indices_len*(state: BeaconState, epoch: Epoch): uint64
if is_active_validator(val, epoch):
inc result
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_current_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_current_epoch
func get_current_epoch*(state: BeaconState): Epoch =
## Return the current epoch.
doAssert state.slot >= GENESIS_SLOT, $state.slot
compute_epoch_at_slot(state.slot)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_randao_mix
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_randao_mix
func get_randao_mix*(state: BeaconState,
epoch: Epoch): Eth2Digest =
## Returns the randao mix at a recent ``epoch``.
@ -103,7 +103,7 @@ 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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_fork_data_root
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_fork_data_root
func compute_fork_data_root(current_version: Version,
genesis_validators_root: Eth2Digest): Eth2Digest =
## Return the 32-byte fork data root for the ``current_version`` and
@ -115,7 +115,7 @@ func compute_fork_data_root(current_version: Version,
genesis_validators_root: genesis_validators_root
))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_fork_digest
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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
@ -126,7 +126,7 @@ func compute_fork_digest*(current_version: Version,
compute_fork_data_root(
current_version, genesis_validators_root).data.toOpenArray(0, 3)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_domain
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_domain
func compute_domain*(
domain_type: DomainType,
fork_version: Version,
@ -137,7 +137,7 @@ 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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_domain
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_domain
func get_domain*(
fork: Fork, domain_type: DomainType, epoch: Epoch, genesis_validators_root: Eth2Digest): Domain =
## Return the signature domain (fork version concatenated with domain type)
@ -155,7 +155,7 @@ func get_domain*(
## of a message.
get_domain(state.fork, domain_type, epoch, state.genesis_validators_root)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_signing_root
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_signing_root
func compute_signing_root*(ssz_object: auto, domain: Domain): Eth2Digest =
## Return the signing root of an object by calculating the root of the
## object-domain tree.
@ -165,7 +165,7 @@ func compute_signing_root*(ssz_object: auto, domain: Domain): Eth2Digest =
)
hash_tree_root(domain_wrapped_object)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_seed
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_seed
func get_seed*(state: BeaconState, epoch: Epoch, domain_type: DomainType): Eth2Digest =
## Return the seed at ``epoch``.

14
beacon_chain/spec/network.nim
View File

@ -12,17 +12,17 @@ import
./datatypes, ./helpers, ./validator
const
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#topics-and-messages
topicBeaconBlocksSuffix* = "beacon_block/ssz"
topicVoluntaryExitsSuffix* = "voluntary_exit/ssz"
topicProposerSlashingsSuffix* = "proposer_slashing/ssz"
topicAttesterSlashingsSuffix* = "attester_slashing/ssz"
topicAggregateAndProofsSuffix* = "beacon_aggregate_and_proof/ssz"
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#misc
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#misc
ATTESTATION_SUBNET_COUNT* = 64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#eth2-network-interaction-domains
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#eth2-network-interaction-domains
MAX_CHUNK_SIZE* = 1 * 1024 * 1024 # bytes
GOSSIP_MAX_SIZE* = 1 * 1024 * 1024 # bytes
TTFB_TIMEOUT* = 5.seconds
@ -63,7 +63,7 @@ func getAggregateAndProofsTopic*(forkDigest: ForkDigest): string =
except ValueError as e:
raiseAssert e.msg
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#broadcast-attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#broadcast-attestation
func compute_subnet_for_attestation*(
committees_per_slot: uint64, slot: Slot, committee_index: CommitteeIndex):
uint64 =
@ -78,7 +78,7 @@ func compute_subnet_for_attestation*(
(committees_since_epoch_start + committee_index.uint64) mod
ATTESTATION_SUBNET_COUNT
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#broadcast-attestation
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#broadcast-attestation
func getAttestationTopic*(forkDigest: ForkDigest, subnetIndex: uint64):
string =
## For subscribing and unsubscribing to/from a subnet.
@ -117,7 +117,7 @@ func get_committee_assignments(
(compute_subnet_for_attestation(committees_per_slot, slot, idx),
slot))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
proc getStabilitySubnetLength*(): uint64 =
EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION +
rand(EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION.int).uint64
@ -131,7 +131,7 @@ proc get_attestation_subnet_changes*(
var attestationSubnets = prevAttestationSubnets
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#phase-0-attestation-subnet-stability
let prevStabilitySubnet = {attestationSubnets.stabilitySubnet.uint8}
if epoch >= attestationSubnets.stabilitySubnetExpirationEpoch:
attestationSubnets.stabilitySubnet =

20
beacon_chain/spec/presets/v1_0_0-rc_0/mainnet.nim
View File

@ -16,7 +16,7 @@ import
const
# Misc
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L5
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L5
CONFIG_NAME* = "mainnet"
MAX_COMMITTEES_PER_SLOT* {.intdefine.}: uint64 = 64
@ -47,7 +47,7 @@ const
# Gwei values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L60
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L60
MIN_DEPOSIT_AMOUNT*: uint64 = 2'u64^0 * 10'u64^9 ##\
## Minimum amounth of ETH that can be deposited in one call - deposits can
@ -64,14 +64,14 @@ const
# Initial values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L72
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L72
# GENESIS_FORK_VERSION is a runtime preset
BLS_WITHDRAWAL_PREFIX*: byte = 0
# Time parameters
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L79
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L79
# GENESIS_DELAY is a runtime preset
@ -118,7 +118,7 @@ const
# State vector lengths
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L105
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L105
EPOCHS_PER_HISTORICAL_VECTOR*: uint64 = 65536 ##\
## epochs (~0.8 years)
@ -133,7 +133,7 @@ const
# Reward and penalty quotients
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L117
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L117
BASE_REWARD_FACTOR*: uint64 = 2'u64^6
WHISTLEBLOWER_REWARD_QUOTIENT*: uint64 = 2'u64^9
PROPOSER_REWARD_QUOTIENT*: uint64 = 2'u64^3
@ -143,7 +143,7 @@ const
# Max operations per block
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L133
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L133
MAX_PROPOSER_SLASHINGS*: uint64 = 2'u64 ^ 4
MAX_ATTESTER_SLASHINGS*: uint64 = 2'u64 ^ 1
MAX_ATTESTATIONS*: uint64 = 2'u64 ^ 7
@ -152,12 +152,12 @@ const
# Fork choice
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L31
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L31
SAFE_SLOTS_TO_UPDATE_JUSTIFIED*: uint64 = 8 # 96 seconds
# Validators
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L37
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L37
# ETH1_FOLLOW_DISTANCE is a runtime preset
@ -168,7 +168,7 @@ const
# Deposit contract
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/mainnet/phase0.yaml#L51
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/mainnet/phase0.yaml#L51
# Ethereum PoW Mainnet
# TODO These violate the spec (this is a temporary change to allow `make medalla` to work)

20
beacon_chain/spec/presets/v1_0_0-rc_0/minimal.nim
View File

@ -16,7 +16,7 @@ import
const
# Misc
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L5
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L5
CONFIG_NAME* = "minimal"
# Changed
@ -40,7 +40,7 @@ const
# Gwei values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L61
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L61
# Unchanged
MIN_DEPOSIT_AMOUNT*: uint64 = 2'u64^0 * 10'u64^9
@ -50,7 +50,7 @@ const
# Initial values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L73
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L73
# GENESIS_FORK_VERSION is a runtime preset
@ -58,7 +58,7 @@ const
# Time parameters
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L80
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L80
# Changed: Faster to spin up testnets, but does not give validator
# reasonable warning time for genesis
@ -91,7 +91,7 @@ const
# State vector lengths
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L106
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L106
# Changed
EPOCHS_PER_HISTORICAL_VECTOR*: uint64 = 64
@ -103,7 +103,7 @@ const
# Reward and penalty quotients
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L118
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L118
BASE_REWARD_FACTOR*: uint64 = 2'u64^6
WHISTLEBLOWER_REWARD_QUOTIENT*: uint64 = 2'u64^9
@ -114,7 +114,7 @@ const
# Max operations per block
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L134
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L134
MAX_PROPOSER_SLASHINGS*: uint64 = 2'u64 ^ 4
MAX_ATTESTER_SLASHINGS*: uint64 = 2'u64 ^ 1
@ -124,7 +124,7 @@ const
# Deposit contract
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L52
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L52
# Ethereum Goerli testnet
DEPOSIT_CHAIN_ID* = 5
@ -132,14 +132,14 @@ const
# Fork choice
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L32
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L32
# Changed
SAFE_SLOTS_TO_UPDATE_JUSTIFIED*: uint64 = 2
# Validators
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/configs/minimal/phase0.yaml#L38
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/configs/minimal/phase0.yaml#L38
# ETH1_FOLLOW_DISTANCE is a runtime preset

12
beacon_chain/spec/signatures.nim
View File

@ -26,7 +26,7 @@ func compute_slot_root*(
fork, DOMAIN_SELECTION_PROOF, epoch, genesis_validators_root)
result = compute_signing_root(slot, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregation-selection
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregation-selection
func get_slot_signature*(
fork: Fork, genesis_validators_root: Eth2Digest, slot: Slot,
privkey: ValidatorPrivKey): ValidatorSig =
@ -51,7 +51,7 @@ func compute_epoch_root*(
domain = get_domain(fork, DOMAIN_RANDAO, epoch, genesis_validators_root)
result = compute_signing_root(epoch, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#randao-reveal
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#randao-reveal
func get_epoch_signature*(
fork: Fork, genesis_validators_root: Eth2Digest, epoch: Epoch,
privkey: ValidatorPrivKey): ValidatorSig =
@ -76,7 +76,7 @@ func compute_block_root*(
fork, DOMAIN_BEACON_PROPOSER, epoch, genesis_validators_root)
result = compute_signing_root(root, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#signature
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#signature
func get_block_signature*(
fork: Fork, genesis_validators_root: Eth2Digest, slot: Slot,
root: Eth2Digest, privkey: ValidatorPrivKey): ValidatorSig =
@ -105,7 +105,7 @@ func compute_aggregate_and_proof_root*(fork: Fork, genesis_validators_root: Eth2
fork, DOMAIN_AGGREGATE_AND_PROOF, epoch, genesis_validators_root)
result = compute_signing_root(aggregate_and_proof, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#broadcast-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#broadcast-aggregate
func get_aggregate_and_proof_signature*(fork: Fork, genesis_validators_root: Eth2Digest,
aggregate_and_proof: AggregateAndProof,
privKey: ValidatorPrivKey): ValidatorSig =
@ -134,7 +134,7 @@ func compute_attestation_root*(
fork, DOMAIN_BEACON_ATTESTER, epoch, genesis_validators_root)
result = compute_signing_root(attestation_data, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#aggregate-signature
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#aggregate-signature
func get_attestation_signature*(
fork: Fork, genesis_validators_root: Eth2Digest,
attestation_data: AttestationData,
@ -156,7 +156,7 @@ proc verify_attestation_signature*(
blsFastAggregateVerify(pubkeys, signing_root.data, signature)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#deposits
func get_deposit_signature*(preset: RuntimePreset,
deposit: DepositData,
privkey: ValidatorPrivKey): ValidatorSig =

12
beacon_chain/spec/state_transition.nim
View File

@ -54,7 +54,7 @@ func get_epoch_validator_count(state: BeaconState): int64 {.nbench.} =
validator.withdrawable_epoch > get_current_epoch(state):
result += 1
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc verify_block_signature*(
state: BeaconState, signed_block: SomeSignedBeaconBlock): bool {.nbench.} =
let
@ -74,7 +74,7 @@ proc verify_block_signature*(
true
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc verifyStateRoot(state: BeaconState, blck: BeaconBlock): bool =
# This is inlined in state_transition(...) in spec.
let state_root = hash_tree_root(state)
@ -101,7 +101,7 @@ type
# Hashed-state transition functions
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
func process_slot*(state: var HashedBeaconState) {.nbench.} =
# Cache state root
let previous_slot_state_root = state.root
@ -125,7 +125,7 @@ func clear_epoch_from_cache(cache: var StateCache, epoch: Epoch) =
for i in start_slot ..< end_slot:
cache.beacon_proposer_indices.del i
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc advance_slot(
state: var HashedBeaconState, updateFlags: UpdateFlags,
epochCache: var StateCache) {.nbench.} =
@ -147,7 +147,7 @@ proc advance_slot(
# will be incorrect
state.root = hash_tree_root(state.data)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc process_slots*(state: var HashedBeaconState, slot: Slot,
cache: var StateCache, updateFlags: UpdateFlags = {}): bool {.nbench.} =
if not (state.data.slot < slot):
@ -235,7 +235,7 @@ proc state_transition*(
var cache = StateCache()
state_transition(preset, state, signedBlock, cache, flags, rollback)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#preparing-for-a-beaconblock
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#preparing-for-a-beaconblock
proc makeBeaconBlock*(
preset: RuntimePreset,
state: var HashedBeaconState,

26
beacon_chain/spec/state_transition_block.nim
View File

@ -26,7 +26,7 @@ import
./signatures, ./presets,
../../nbench/bench_lab
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#block-header
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#block-header
func process_block_header*(
state: var BeaconState, blck: SomeBeaconBlock, flags: UpdateFlags,
stateCache: var StateCache): Result[void, cstring] {.nbench.} =
@ -69,7 +69,7 @@ func `xor`[T: array](a, b: T): T =
for i in 0..<result.len:
result[i] = a[i] xor b[i]
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#randao
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#randao
proc process_randao(
state: var BeaconState, body: SomeBeaconBlockBody, flags: UpdateFlags,
stateCache: var StateCache): bool {.nbench.} =
@ -106,7 +106,7 @@ proc process_randao(
true
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#eth1-data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#eth1-data
func process_eth1_data(state: var BeaconState, body: SomeBeaconBlockBody) {.nbench.}=
state.eth1_data_votes.add body.eth1_data
@ -114,14 +114,14 @@ func process_eth1_data(state: var BeaconState, body: SomeBeaconBlockBody) {.nben
SLOTS_PER_ETH1_VOTING_PERIOD:
state.eth1_data = body.eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_slashable_validator
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#proposer-slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#proposer-slashings
proc check_proposer_slashing*(
state: var BeaconState, proposer_slashing: ProposerSlashing,
flags: UpdateFlags, cache: var StateCache):
@ -163,7 +163,7 @@ proc check_proposer_slashing*(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#proposer-slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#proposer-slashings
proc process_proposer_slashing*(
state: var BeaconState, proposer_slashing: ProposerSlashing,
flags: UpdateFlags, cache: var StateCache):
@ -175,7 +175,7 @@ proc process_proposer_slashing*(
cache)
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#is_slashable_attestation_data
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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
@ -187,7 +187,7 @@ 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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attester-slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attester-slashings
proc check_attester_slashing*(
state: var BeaconState,
attester_slashing: AttesterSlashing,
@ -221,7 +221,7 @@ proc check_attester_slashing*(
ok slashed_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attester-slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attester-slashings
proc process_attester_slashing*(
state: var BeaconState,
attester_slashing: AttesterSlashing,
@ -239,7 +239,7 @@ proc process_attester_slashing*(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#voluntary-exits
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#voluntary-exits
proc check_voluntary_exit*(
state: var BeaconState,
signed_voluntary_exit: SignedVoluntaryExit,
@ -292,7 +292,7 @@ proc check_voluntary_exit*(
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#voluntary-exits
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#voluntary-exits
proc process_voluntary_exit*(
state: var BeaconState,
signed_voluntary_exit: SignedVoluntaryExit,
@ -303,7 +303,7 @@ proc process_voluntary_exit*(
state, signed_voluntary_exit.message.validator_index.ValidatorIndex, cache)
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#operations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#operations
proc process_operations(preset: RuntimePreset,
state: var BeaconState,
body: SomeBeaconBlockBody,
@ -337,7 +337,7 @@ proc process_operations(preset: RuntimePreset,
ok()
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#block-processing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#block-processing
proc process_block*(
preset: RuntimePreset,
state: var BeaconState, blck: SomeBeaconBlock, flags: UpdateFlags,

34
beacon_chain/spec/state_transition_epoch.nim
View File

@ -97,7 +97,7 @@ type
# Total rewards and penalties for this validator
delta: Delta
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_total_balance
TotalBalances = object
# The total effective balance of all active validators during the _current_
# epoch.
@ -129,7 +129,7 @@ type
total_balances*: TotalBalances
# Accessors that implement the max condition in `get_total_balance`:
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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 =
@ -253,7 +253,7 @@ func is_eligible_validator*(validator: ValidatorStatus): bool =
# Spec
# --------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_total_active_balance
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_total_active_balance
func get_total_active_balance*(state: BeaconState, cache: var StateCache): Gwei =
## Return the combined effective balance of the active validators.
# Note: ``get_total_balance`` returns ``EFFECTIVE_BALANCE_INCREMENT`` Gwei
@ -264,7 +264,7 @@ func get_total_active_balance*(state: BeaconState, cache: var StateCache): Gwei
get_total_balance(
state, cache.get_shuffled_active_validator_indices(state, epoch))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#justification-and-finalization
proc process_justification_and_finalization*(state: var BeaconState,
total_balances: TotalBalances, updateFlags: UpdateFlags = {}) {.nbench.} =
# Initial FFG checkpoint values have a `0x00` stub for `root`.
@ -360,7 +360,7 @@ proc process_justification_and_finalization*(state: var BeaconState,
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#helpers
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#helpers
func get_base_reward_sqrt*(state: BeaconState, index: ValidatorIndex,
total_balance_sqrt: auto): Gwei =
# Spec function recalculates total_balance every time, which creates an
@ -399,7 +399,7 @@ func get_attestation_component_delta(is_unslashed_attester: bool,
else:
Delta(penalties: base_reward)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#components-of-attestation-deltas
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#components-of-attestation-deltas
func get_source_delta*(validator: ValidatorStatus,
base_reward: uint64,
total_balances: TotalBalances,
@ -473,7 +473,7 @@ func get_inactivity_penalty_delta*(validator: ValidatorStatus,
delta
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_attestation_deltas
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_attestation_deltas
func get_attestation_deltas(
state: BeaconState, validator_statuses: var ValidatorStatuses) =
## Update validator_statuses with attestation reward/penalty deltas for each validator.
@ -518,7 +518,7 @@ func get_attestation_deltas(
validator_statuses.statuses[proposer_index].delta.add(
proposer_delta.get()[1])
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#process_rewards_and_penalties
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#process_rewards_and_penalties
func process_rewards_and_penalties(
state: var BeaconState, validator_statuses: var ValidatorStatuses) {.nbench.} =
# No rewards are applied at the end of `GENESIS_EPOCH` because rewards are
@ -534,7 +534,7 @@ func process_rewards_and_penalties(
increase_balance(state, idx.ValidatorIndex, v.delta.rewards)
decrease_balance(state, idx.ValidatorIndex, v.delta.penalties)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#slashings
func process_slashings*(state: var BeaconState, total_balance: Gwei) {.nbench.}=
let
epoch = get_current_epoch(state)
@ -552,7 +552,7 @@ func process_slashings*(state: var BeaconState, total_balance: Gwei) {.nbench.}=
let penalty = penalty_numerator div total_balance * increment
decrease_balance(state, index.ValidatorIndex, penalty)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#final-updates
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#final-updates
func process_final_updates*(state: var BeaconState) {.nbench.}=
let
current_epoch = get_current_epoch(state)
@ -589,7 +589,7 @@ func process_final_updates*(state: var BeaconState) {.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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#historicalbatch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#historicalbatch
# In response to https://github.com/status-im/nimbus-eth2/issues/921
state.historical_roots.add hash_tree_root(
[hash_tree_root(state.block_roots), hash_tree_root(state.state_roots)])
@ -598,7 +598,7 @@ func process_final_updates*(state: var BeaconState) {.nbench.}=
state.previous_epoch_attestations = state.current_epoch_attestations
state.current_epoch_attestations = default(type state.current_epoch_attestations)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#epoch-processing
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#epoch-processing
proc process_epoch*(state: var BeaconState, updateFlags: UpdateFlags,
cache: var StateCache) {.nbench.} =
let currentEpoch = get_current_epoch(state)
@ -607,7 +607,7 @@ proc process_epoch*(state: var BeaconState, updateFlags: UpdateFlags,
var validator_statuses = ValidatorStatuses.init(state)
validator_statuses.process_attestations(state, cache)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#justification-and-finalization
process_justification_and_finalization(
state, validator_statuses.total_balances, updateFlags)
@ -621,16 +621,16 @@ proc process_epoch*(state: var BeaconState, updateFlags: UpdateFlags,
# the finalization rules triggered.
doAssert state.finalized_checkpoint.epoch + 3 >= currentEpoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#rewards-and-penalties-1
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#rewards-and-penalties-1
process_rewards_and_penalties(state, validator_statuses)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#registry-updates
process_registry_updates(state, cache)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#slashings
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#slashings
process_slashings(state, validator_statuses.total_balances.current_epoch)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#final-updates
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#final-updates
process_final_updates(state)
# Once per epoch metrics

26
beacon_chain/spec/validator.nim
View File

@ -19,8 +19,8 @@ const
PIVOT_VIEW_SIZE = SEED_SIZE + ROUND_SIZE
TOTAL_SIZE = PIVOT_VIEW_SIZE + POSITION_WINDOW_SIZE
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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) =
@ -144,13 +144,13 @@ func get_shuffled_active_validator_indices*(
let indices = get_shuffled_active_validator_indices(state, epoch)
return cache.shuffled_active_validator_indices.mgetOrPut(epoch, indices)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_active_validator_indices
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_active_validator_indices
func count_active_validators*(state: BeaconState,
epoch: Epoch,
cache: var StateCache): uint64 =
cache.get_shuffled_active_validator_indices(state, epoch).lenu64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_committee_count_per_slot
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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,
@ -173,7 +173,7 @@ func get_committee_count_per_slot*(state: BeaconState,
cache: var StateCache): uint64 =
get_committee_count_per_slot(state, slot.compute_epoch_at_slot, cache)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_previous_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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:
@ -185,7 +185,7 @@ func get_previous_epoch*(state: BeaconState): Epoch =
# Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
get_previous_epoch(get_current_epoch(state))
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_committee
func compute_committee_slice*(
active_validators, index, count: uint64): Slice[int] =
doAssert active_validators <= ValidatorIndex.high.uint64
@ -226,7 +226,7 @@ func compute_committee_len*(
(slice.b - slice.a + 1).uint64
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_beacon_committee
iterator get_beacon_committee*(
state: BeaconState, slot: Slot, index: CommitteeIndex,
cache: var StateCache): ValidatorIndex =
@ -255,7 +255,7 @@ func get_beacon_committee*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_beacon_committee
func get_beacon_committee_len*(
state: BeaconState, slot: Slot, index: CommitteeIndex,
cache: var StateCache): uint64 =
@ -271,7 +271,7 @@ func get_beacon_committee_len*(
committees_per_slot * SLOTS_PER_EPOCH
)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/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``).
@ -309,7 +309,7 @@ func compute_shuffled_index(
cur_idx_permuted
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#compute_proposer_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#compute_proposer_index
func compute_proposer_index(state: BeaconState, indices: seq[ValidatorIndex],
seed: Eth2Digest): Option[ValidatorIndex] =
## Return from ``indices`` a random index sampled by effective balance.
@ -336,7 +336,7 @@ func compute_proposer_index(state: BeaconState, indices: seq[ValidatorIndex],
return some(candidate_index)
i += 1
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_proposer_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_beacon_proposer_index
func get_beacon_proposer_index*(state: BeaconState, cache: var StateCache, slot: Slot):
Option[ValidatorIndex] =
cache.beacon_proposer_indices.withValue(slot, proposer) do:
@ -368,12 +368,12 @@ func get_beacon_proposer_index*(state: BeaconState, cache: var StateCache, slot:
return res
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#get_beacon_proposer_index
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#get_beacon_proposer_index
func get_beacon_proposer_index*(state: BeaconState, cache: var StateCache):
Option[ValidatorIndex] =
get_beacon_proposer_index(state, cache, state.slot)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#validator-assignments
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#validator-assignments
func get_committee_assignment*(
state: BeaconState, epoch: Epoch,
validator_index: ValidatorIndex):

2
beacon_chain/ssz/merkleization.nim
View File

@ -7,7 +7,7 @@
# This module contains the parts necessary to create a merkle hash from the core
# SSZ types outlined in the spec:
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/ssz/simple-serialize.md#merkleization
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/ssz/simple-serialize.md#merkleization
{.push raises: [Defect].}

2
beacon_chain/ssz/ssz_serialization.nim
View File

@ -4,7 +4,7 @@
{.pragma: raisesssz, raises: [Defect, MalformedSszError, SszSizeMismatchError].}
## SSZ serialization for core SSZ types, as specified in:
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/ssz/simple-serialize.md#serialization
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/ssz/simple-serialize.md#serialization
import
typetraits, options,

2
beacon_chain/time.nim
View File

@ -16,7 +16,7 @@ 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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/fork-choice.md#fork-choice
## https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/fork-choice.md#fork-choice
##
# TODO replace time in chronos with a proper unit type, then this code can
# follow:

8
beacon_chain/validator_duties.nim
View File

@ -343,7 +343,7 @@ proc handleAttestations(node: BeaconNode, head: BlockRef, slot: Slot) =
# We need to run attestations exactly for the slot that we're attesting to.
# In case blocks went missing, this means advancing past the latest block
# using empty slots as fillers.
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#validator-assignments
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#validator-assignments
let
epochRef = node.chainDag.getEpochRef(
attestationHead.blck, slot.compute_epoch_at_slot())
@ -526,7 +526,7 @@ proc handleValidatorDuties*(node: BeaconNode, lastSlot, slot: Slot) {.async.} =
# with any clock discrepancies once only, at the start of slot timer
# processing..
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#attesting
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#attesting
# A validator should create and broadcast the attestation to the associated
# attestation subnet when either (a) the validator has received a valid
# block from the expected block proposer for the assigned slot or
@ -543,7 +543,7 @@ proc handleValidatorDuties*(node: BeaconNode, lastSlot, slot: Slot) {.async.} =
handleAttestations(node, head, slot)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#broadcast-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#broadcast-aggregate
# If the validator is selected to aggregate (is_aggregator), then they
# broadcast their best aggregate as a SignedAggregateAndProof to the global
# aggregate channel (beacon_aggregate_and_proof) two-thirds of the way
@ -555,7 +555,7 @@ proc handleValidatorDuties*(node: BeaconNode, lastSlot, slot: Slot) {.async.} =
"Waiting to aggregate attestations")
const TRAILING_DISTANCE = 1
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/p2p-interface.md#configuration
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/p2p-interface.md#configuration
static:
doAssert TRAILING_DISTANCE <= ATTESTATION_PROPAGATION_SLOT_RANGE

4
beacon_chain/validator_pool.nim
View File

@ -50,7 +50,7 @@ proc signWithRemoteValidator(v: AttachedValidator, data: Eth2Digest):
# replaced by something more sensible
await sleepAsync(chronos.milliseconds(1))
# TODO: Honest validator - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md
# TODO: Honest validator - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md
proc signBlockProposal*(v: AttachedValidator, fork: Fork,
genesis_validators_root: Eth2Digest, slot: Slot,
blockRoot: Eth2Digest): Future[ValidatorSig] {.async.} =
@ -97,7 +97,7 @@ proc signAggregateAndProof*(v: AttachedValidator,
fork, genesis_validators_root, aggregate_and_proof)
result = await signWithRemoteValidator(v, root)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#randao-reveal
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#randao-reveal
func genRandaoReveal*(k: ValidatorPrivKey, fork: Fork,
genesis_validators_root: Eth2Digest, slot: Slot): ValidatorSig =
get_epoch_signature(

4
beacon_chain/validator_slashing_protection.nim
View File

@ -27,7 +27,7 @@ import
# - https://notes.ethereum.org/@djrtwo/Bkn3zpwxB#Validator-responsibilities
#
# Phase 0 spec - Honest Validator - how to avoid slashing
# - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#how-to-avoid-slashing
# - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#how-to-avoid-slashing
#
# In-depth reading on slashing conditions
#
@ -49,7 +49,7 @@ import
# 2. An attester can get slashed for signing
# two attestations that together violate
# the Casper FFG slashing conditions.
# - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/validator.md#ffg-vote
# - https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/validator.md#ffg-vote
# The "source" is the current_justified_epoch
# The "target" is the current_epoch
#

2
tests/spec_block_processing/test_process_attestation.nim
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@ -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/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#attestations
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#attestations
# ---------------------------------------------------------------
{.used.}

2
tests/spec_block_processing/test_process_deposits.nim
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@ -7,7 +7,7 @@
# process_deposit (beaconstate.nim)
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0-rc.0/specs/phase0/beacon-chain.md#deposits
# https://github.com/ethereum/eth2.0-specs/blob/v1.0.0/specs/phase0/beacon-chain.md#deposits
# ---------------------------------------------------------------
{.used.}