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mark all compatible 0.9.3 functions and data structures as 0.9.4

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Dustin Brody 2019-12-20 17:50:09 +01:00 committed by tersec
parent b49a2f8c2c
commit 46de726e3d
20 changed files with 108 additions and 108 deletions
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2
README.md
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@ -16,7 +16,7 @@ Nimbus beacon chain is a research implementation of the beacon chain component o
## Related ## Related
* [status-im/nimbus](https://github.com/status-im/nimbus/): Nimbus for Ethereum 1 * [status-im/nimbus](https://github.com/status-im/nimbus/): Nimbus for Ethereum 1
* [ethereum/eth2.0-specs](https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md): Serenity specification that this project implements * [ethereum/eth2.0-specs](https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md): Serenity specification that this project implements
You can check where the beacon chain fits in the Ethereum ecosystem our Two-Point-Oh series: https://our.status.im/tag/two-point-oh/ You can check where the beacon chain fits in the Ethereum ecosystem our Two-Point-Oh series: https://our.status.im/tag/two-point-oh/

14
beacon_chain/attestation_aggregation.nim
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@ -12,7 +12,7 @@
# The other part is arguably part of attestation pool -- the validation's # The other part is arguably part of attestation pool -- the validation's
# something that should be happing on receipt, not aggregation per se. In # something that should be happing on receipt, not aggregation per se. In
# that part, check that messages conform -- so, check for each type # that part, check that messages conform -- so, check for each type
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/networking/p2p-interface.md#topics-and-messages # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/networking/p2p-interface.md#topics-and-messages
# specifies. So by the time this calls attestation pool, all validation's # specifies. So by the time this calls attestation pool, all validation's
# already done. # already done.
# #
@ -30,17 +30,17 @@ import
# https://github.com/status-im/nim-beacon-chain/issues/122#issuecomment-562479965 # https://github.com/status-im/nim-beacon-chain/issues/122#issuecomment-562479965
const const
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/networking/p2p-interface.md#configuration # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/networking/p2p-interface.md#configuration
ATTESTATION_PROPAGATION_SLOT_RANGE = 32 ATTESTATION_PROPAGATION_SLOT_RANGE = 32
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#aggregation-selection # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregation-selection
func get_slot_signature(state: BeaconState, slot: Slot, privkey: ValidatorPrivKey): func get_slot_signature(state: BeaconState, slot: Slot, privkey: ValidatorPrivKey):
ValidatorSig = ValidatorSig =
let domain = let domain =
get_domain(state, DOMAIN_BEACON_ATTESTER, compute_epoch_at_slot(slot)) get_domain(state, DOMAIN_BEACON_ATTESTER, compute_epoch_at_slot(slot))
bls_sign(privkey, hash_tree_root(slot).data, domain) bls_sign(privkey, hash_tree_root(slot).data, domain)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#aggregation-selection # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregation-selection
func is_aggregator(state: BeaconState, slot: Slot, index: uint64, func is_aggregator(state: BeaconState, slot: Slot, index: uint64,
slot_signature: ValidatorSig): bool = slot_signature: ValidatorSig): bool =
# TODO index is a CommitteeIndex, aka uint64 # TODO index is a CommitteeIndex, aka uint64
@ -65,17 +65,17 @@ proc aggregate_attestations*(
doAssert slot + ATTESTATION_PROPAGATION_SLOT_RANGE >= state.slot doAssert slot + ATTESTATION_PROPAGATION_SLOT_RANGE >= state.slot
doAssert state.slot >= slot doAssert state.slot >= slot
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#aggregation-selection # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregation-selection
if not is_aggregator(state, slot, index, slot_signature): if not is_aggregator(state, slot, index, slot_signature):
return none(AggregateAndProof) return none(AggregateAndProof)
let attestation_data = let attestation_data =
makeAttestationData(state, slot, index, get_block_root_at_slot(state, slot)) makeAttestationData(state, slot, index, get_block_root_at_slot(state, slot))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#construct-aggregate # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#construct-aggregate
for attestation in getAttestationsForBlock(pool, state, slot): for attestation in getAttestationsForBlock(pool, state, slot):
if attestation.data == attestation_data: if attestation.data == attestation_data:
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#aggregateandproof # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregateandproof
return some(AggregateAndProof( return some(AggregateAndProof(
aggregator_index: index, aggregator_index: index,
aggregate: attestation, aggregate: attestation,

2
beacon_chain/beacon_node.nim
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@ -765,7 +765,7 @@ proc onSlotStart(node: BeaconNode, lastSlot, scheduledSlot: Slot) {.gcsafe, asyn
# with any clock discrepancies once only, at the start of slot timer # with any clock discrepancies once only, at the start of slot timer
# processing.. # processing..
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#attesting # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#attesting
# A validator should create and broadcast the attestation to the # A validator should create and broadcast the attestation to the
# associated attestation subnet one-third of the way through the slot # associated attestation subnet one-third of the way through the slot
# during which the validator is assigned―that is, SECONDS_PER_SLOT / 3 # during which the validator is assigned―that is, SECONDS_PER_SLOT / 3

2
beacon_chain/interop.nim
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@ -39,7 +39,7 @@ const eth1BlockHash* = block:
for v in x.data.mitems: v = 0x42 for v in x.data.mitems: v = 0x42
x x
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_deposit-contract.md#withdrawal-credentials # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_deposit-contract.md#withdrawal-credentials
func makeWithdrawalCredentials*(k: ValidatorPubKey): Eth2Digest = func makeWithdrawalCredentials*(k: ValidatorPubKey): Eth2Digest =
var bytes = eth2hash(k.getBytes()) var bytes = eth2hash(k.getBytes())
bytes.data[0] = BLS_WITHDRAWAL_PREFIX.uint8 bytes.data[0] = BLS_WITHDRAWAL_PREFIX.uint8

32
beacon_chain/spec/beaconstate.nim
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@ -12,7 +12,7 @@ import
./crypto, ./datatypes, ./digest, ./helpers, ./validator, ./crypto, ./datatypes, ./digest, ./helpers, ./validator,
../../nbench/bench_lab ../../nbench/bench_lab
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_valid_merkle_branch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_valid_merkle_branch
func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openarray[Eth2Digest], depth: uint64, index: uint64, root: Eth2Digest): bool {.nbench.}= func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openarray[Eth2Digest], depth: uint64, index: uint64, root: Eth2Digest): bool {.nbench.}=
## Check if ``leaf`` at ``index`` verifies against the Merkle ``root`` and ## Check if ``leaf`` at ``index`` verifies against the Merkle ``root`` and
## ``branch``. ## ``branch``.
@ -30,13 +30,13 @@ func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openarray[Eth2Digest], de
value = eth2hash(buf) value = eth2hash(buf)
value == root value == root
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#increase_balance # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#increase_balance
func increase_balance*( func increase_balance*(
state: var BeaconState, index: ValidatorIndex, delta: Gwei) = state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
# Increase the validator balance at index ``index`` by ``delta``. # Increase the validator balance at index ``index`` by ``delta``.
state.balances[index] += delta state.balances[index] += delta
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#decrease_balance # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#decrease_balance
func decrease_balance*( func decrease_balance*(
state: var BeaconState, index: ValidatorIndex, delta: Gwei) = state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
## Decrease the validator balance at index ``index`` by ``delta``, with ## Decrease the validator balance at index ``index`` by ``delta``, with
@ -103,13 +103,13 @@ func process_deposit*(
true true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_activation_exit_epoch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_activation_exit_epoch
func compute_activation_exit_epoch(epoch: Epoch): Epoch = func compute_activation_exit_epoch(epoch: Epoch): Epoch =
## Return the epoch during which validator activations and exits initiated in ## Return the epoch during which validator activations and exits initiated in
## ``epoch`` take effect. ## ``epoch`` take effect.
epoch + 1 + MAX_SEED_LOOKAHEAD epoch + 1 + MAX_SEED_LOOKAHEAD
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_validator_churn_limit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_validator_churn_limit
func get_validator_churn_limit(state: BeaconState): uint64 = func get_validator_churn_limit(state: BeaconState): uint64 =
# Return the validator churn limit for the current epoch. # Return the validator churn limit for the current epoch.
let active_validator_indices = let active_validator_indices =
@ -117,7 +117,7 @@ func get_validator_churn_limit(state: BeaconState): uint64 =
max(MIN_PER_EPOCH_CHURN_LIMIT, max(MIN_PER_EPOCH_CHURN_LIMIT,
len(active_validator_indices) div CHURN_LIMIT_QUOTIENT).uint64 len(active_validator_indices) div CHURN_LIMIT_QUOTIENT).uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#initiate_validator_exit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#initiate_validator_exit
func initiate_validator_exit*(state: var BeaconState, func initiate_validator_exit*(state: var BeaconState,
index: ValidatorIndex) = index: ValidatorIndex) =
# Initiate the exit of the validator with index ``index``. # Initiate the exit of the validator with index ``index``.
@ -190,7 +190,7 @@ proc slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
increase_balance( increase_balance(
state, whistleblower_index, whistleblowing_reward - proposer_reward) state, whistleblower_index, whistleblowing_reward - proposer_reward)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#genesis # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#genesis
func initialize_beacon_state_from_eth1*( func initialize_beacon_state_from_eth1*(
eth1_block_hash: Eth2Digest, eth1_block_hash: Eth2Digest,
eth1_timestamp: uint64, eth1_timestamp: uint64,
@ -275,7 +275,7 @@ func get_initial_beacon_block*(state: BeaconState): SignedBeaconBlock =
# parent_root, randao_reveal, eth1_data, signature, and body automatically # parent_root, randao_reveal, eth1_data, signature, and body automatically
# initialized to default values. # initialized to default values.
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_block_root_at_slot # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_block_root_at_slot
func get_block_root_at_slot*(state: BeaconState, func get_block_root_at_slot*(state: BeaconState,
slot: Slot): Eth2Digest = slot: Slot): Eth2Digest =
# Return the block root at a recent ``slot``. # Return the block root at a recent ``slot``.
@ -284,12 +284,12 @@ func get_block_root_at_slot*(state: BeaconState,
doAssert slot < state.slot doAssert slot < state.slot
state.block_roots[slot mod SLOTS_PER_HISTORICAL_ROOT] state.block_roots[slot mod SLOTS_PER_HISTORICAL_ROOT]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_block_root # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_block_root
func get_block_root*(state: BeaconState, epoch: Epoch): Eth2Digest = func get_block_root*(state: BeaconState, epoch: Epoch): Eth2Digest =
# Return the block root at the start of a recent ``epoch``. # Return the block root at the start of a recent ``epoch``.
get_block_root_at_slot(state, compute_start_slot_at_epoch(epoch)) get_block_root_at_slot(state, compute_start_slot_at_epoch(epoch))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_total_balance # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_total_balance
func get_total_balance*(state: BeaconState, validators: auto): Gwei = func get_total_balance*(state: BeaconState, validators: auto): Gwei =
## Return the combined effective balance of the ``indices``. (1 Gwei minimum ## Return the combined effective balance of the ``indices``. (1 Gwei minimum
## to avoid divisions by zero.) ## to avoid divisions by zero.)
@ -299,13 +299,13 @@ func get_total_balance*(state: BeaconState, validators: auto): Gwei =
# XXX: Move to state_transition_epoch.nim? # XXX: Move to state_transition_epoch.nim?
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_eligible_for_activation_queue # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_eligible_for_activation_queue
func is_eligible_for_activation_queue(validator: Validator): bool = func is_eligible_for_activation_queue(validator: Validator): bool =
# Check if ``validator`` is eligible to be placed into the activation queue. # Check if ``validator`` is eligible to be placed into the activation queue.
validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH and validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH and
validator.effective_balance == MAX_EFFECTIVE_BALANCE validator.effective_balance == MAX_EFFECTIVE_BALANCE
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_eligible_for_activation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_eligible_for_activation
func is_eligible_for_activation(state: BeaconState, validator: Validator): func is_eligible_for_activation(state: BeaconState, validator: Validator):
bool = bool =
# Check if ``validator`` is eligible for activation. # Check if ``validator`` is eligible for activation.
@ -315,7 +315,7 @@ func is_eligible_for_activation(state: BeaconState, validator: Validator):
# Has not yet been activated # Has not yet been activated
validator.activation_epoch == FAR_FUTURE_EPOCH validator.activation_epoch == FAR_FUTURE_EPOCH
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#registry-updates # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#registry-updates
proc process_registry_updates*(state: var BeaconState) {.nbench.}= proc process_registry_updates*(state: var BeaconState) {.nbench.}=
## Process activation eligibility and ejections ## Process activation eligibility and ejections
## Try to avoid caching here, since this could easily become undefined ## Try to avoid caching here, since this could easily become undefined
@ -367,7 +367,7 @@ proc process_registry_updates*(state: var BeaconState) {.nbench.}=
validator.activation_epoch = validator.activation_epoch =
compute_activation_exit_epoch(get_current_epoch(state)) compute_activation_exit_epoch(get_current_epoch(state))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_valid_indexed_attestation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_valid_indexed_attestation
proc is_valid_indexed_attestation*( proc is_valid_indexed_attestation*(
state: BeaconState, indexed_attestation: IndexedAttestation): bool = state: BeaconState, indexed_attestation: IndexedAttestation): bool =
## Check if ``indexed_attestation`` has valid indices and signature. ## Check if ``indexed_attestation`` has valid indices and signature.
@ -400,7 +400,7 @@ proc is_valid_indexed_attestation*(
true true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_attesting_indices # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_attesting_indices
func get_attesting_indices*(state: BeaconState, func get_attesting_indices*(state: BeaconState,
data: AttestationData, data: AttestationData,
bits: CommitteeValidatorsBits, bits: CommitteeValidatorsBits,
@ -413,7 +413,7 @@ func get_attesting_indices*(state: BeaconState,
if bits[i]: if bits[i]:
result.incl index result.incl index
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_indexed_attestation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_indexed_attestation
func get_indexed_attestation(state: BeaconState, attestation: Attestation, func get_indexed_attestation(state: BeaconState, attestation: Attestation,
stateCache: var StateCache): IndexedAttestation = stateCache: var StateCache): IndexedAttestation =
# Return the indexed attestation corresponding to ``attestation``. # Return the indexed attestation corresponding to ``attestation``.

6
beacon_chain/spec/crypto.nim
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@ -141,15 +141,15 @@ func combine*[T](x: var BlsValue[T], other: BlsValue[T]) =
doAssert x.kind == Real and other.kind == Real doAssert x.kind == Real and other.kind == Real
x.blsValue.combine(other.blsValue) x.blsValue.combine(other.blsValue)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/bls_signature.md#bls_aggregate_pubkeys # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/bls_signature.md#bls_aggregate_pubkeys
func bls_aggregate_pubkeys*(keys: openArray[ValidatorPubKey]): ValidatorPubKey = func bls_aggregate_pubkeys*(keys: openArray[ValidatorPubKey]): ValidatorPubKey =
keys.combine() keys.combine()
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/bls_signature.md#bls_aggregate_signatures # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/bls_signature.md#bls_aggregate_signatures
func bls_aggregate_signatures*(keys: openArray[ValidatorSig]): ValidatorSig = func bls_aggregate_signatures*(keys: openArray[ValidatorSig]): ValidatorSig =
keys.combine() keys.combine()
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/bls_signature.md#bls_verify # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/bls_signature.md#bls_verify
func bls_verify*( func bls_verify*(
pubkey: ValidatorPubKey, msg: openArray[byte], sig: ValidatorSig, pubkey: ValidatorPubKey, msg: openArray[byte], sig: ValidatorSig,
domain: Domain): bool = domain: Domain): bool =

56
beacon_chain/spec/datatypes.nim
View File

@ -52,13 +52,13 @@ else:
{.fatal: "Preset \"" & const_preset ".nim\" is not supported.".} {.fatal: "Preset \"" & const_preset ".nim\" is not supported.".}
const const
SPEC_VERSION* = "0.9.3" ## \ SPEC_VERSION* = "0.9.4" ## \
## Spec version we're aiming to be compatible with, right now ## Spec version we're aiming to be compatible with, right now
## TODO: improve this scheme once we can negotiate versions in protocol ## TODO: improve this scheme once we can negotiate versions in protocol
# Initial values # Initial values
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#initial-values # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#initial-values
GENESIS_EPOCH* = (GENESIS_SLOT.uint64 div SLOTS_PER_EPOCH).Epoch ##\ GENESIS_EPOCH* = (GENESIS_SLOT.uint64 div SLOTS_PER_EPOCH).Epoch ##\
## compute_epoch_at_slot(GENESIS_SLOT) ## compute_epoch_at_slot(GENESIS_SLOT)
@ -80,7 +80,7 @@ type
# Domains # Domains
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#domain-types # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#domain-types
DomainType* {.pure.} = enum DomainType* {.pure.} = enum
DOMAIN_BEACON_PROPOSER = 0 DOMAIN_BEACON_PROPOSER = 0
DOMAIN_BEACON_ATTESTER = 1 DOMAIN_BEACON_ATTESTER = 1
@ -88,10 +88,10 @@ type
DOMAIN_DEPOSIT = 3 DOMAIN_DEPOSIT = 3
DOMAIN_VOLUNTARY_EXIT = 4 DOMAIN_VOLUNTARY_EXIT = 4
# Phase 1 - Custody game # Phase 1 - Custody game
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/1_custody-game.md#signature-domain-types # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/1_custody-game.md#signature-domain-types
DOMAIN_CUSTODY_BIT_CHALLENGE = 6 DOMAIN_CUSTODY_BIT_CHALLENGE = 6
# Phase 1 - Sharding # Phase 1 - Sharding
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/1_shard-data-chains.md#signature-domain-types # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/1_shard-data-chains.md#signature-domain-types
DOMAIN_SHARD_PROPOSER = 128 DOMAIN_SHARD_PROPOSER = 128
DOMAIN_SHARD_ATTESTER = 129 DOMAIN_SHARD_ATTESTER = 129
@ -107,18 +107,18 @@ type
BitList*[maxLen: static int] = distinct BitSeq BitList*[maxLen: static int] = distinct BitSeq
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#proposerslashing # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#proposerslashing
ProposerSlashing* = object ProposerSlashing* = object
proposer_index*: uint64 proposer_index*: uint64
signed_header_1*: SignedBeaconBlockHeader signed_header_1*: SignedBeaconBlockHeader
signed_header_2*: SignedBeaconBlockHeader signed_header_2*: SignedBeaconBlockHeader
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attesterslashing # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attesterslashing
AttesterSlashing* = object AttesterSlashing* = object
attestation_1*: IndexedAttestation attestation_1*: IndexedAttestation
attestation_2*: IndexedAttestation attestation_2*: IndexedAttestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#indexedattestation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#indexedattestation
IndexedAttestation* = object IndexedAttestation* = object
# TODO ValidatorIndex, but that doesn't serialize properly # TODO ValidatorIndex, but that doesn't serialize properly
attesting_indices*: List[uint64, MAX_VALIDATORS_PER_COMMITTEE] attesting_indices*: List[uint64, MAX_VALIDATORS_PER_COMMITTEE]
@ -127,18 +127,18 @@ type
CommitteeValidatorsBits* = BitList[MAX_VALIDATORS_PER_COMMITTEE] CommitteeValidatorsBits* = BitList[MAX_VALIDATORS_PER_COMMITTEE]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attestation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attestation
Attestation* = object Attestation* = object
aggregation_bits*: CommitteeValidatorsBits aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData data*: AttestationData
signature*: ValidatorSig signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#checkpoint # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#checkpoint
Checkpoint* = object Checkpoint* = object
epoch*: Epoch epoch*: Epoch
root*: Eth2Digest root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#AttestationData # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#AttestationData
AttestationData* = object AttestationData* = object
slot*: Slot slot*: Slot
index*: uint64 index*: uint64
@ -150,34 +150,34 @@ type
source*: Checkpoint source*: Checkpoint
target*: Checkpoint target*: Checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#deposit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#deposit
Deposit* = object Deposit* = object
proof*: array[DEPOSIT_CONTRACT_TREE_DEPTH + 1, Eth2Digest] ##\ proof*: array[DEPOSIT_CONTRACT_TREE_DEPTH + 1, Eth2Digest] ##\
## Merkle path to deposit data list root ## Merkle path to deposit data list root
data*: DepositData data*: DepositData
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#depositdata # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#depositdata
DepositMessage* = object DepositMessage* = object
pubkey*: ValidatorPubKey pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest withdrawal_credentials*: Eth2Digest
amount*: Gwei amount*: Gwei
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#depositdata # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#depositdata
DepositData* = object DepositData* = object
pubkey*: ValidatorPubKey pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest withdrawal_credentials*: Eth2Digest
amount*: uint64 amount*: uint64
signature*: ValidatorSig # signing over DepositMessage signature*: ValidatorSig # signing over DepositMessage
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#voluntaryexit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#voluntaryexit
VoluntaryExit* = object VoluntaryExit* = object
epoch*: Epoch ##\ epoch*: Epoch ##\
## Earliest epoch when voluntary exit can be processed ## Earliest epoch when voluntary exit can be processed
validator_index*: uint64 validator_index*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#beaconblock # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#beaconblock
BeaconBlock* = object BeaconBlock* = object
## For each slot, a proposer is chosen from the validator pool to propose ## 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 ## a new block. Once the block as been proposed, it is transmitted to
@ -195,14 +195,14 @@ type
body*: BeaconBlockBody body*: BeaconBlockBody
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#beaconblockheader # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#beaconblockheader
BeaconBlockHeader* = object BeaconBlockHeader* = object
slot*: Slot slot*: Slot
parent_root*: Eth2Digest parent_root*: Eth2Digest
state_root*: Eth2Digest state_root*: Eth2Digest
body_root*: Eth2Digest body_root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#beaconblockbody # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#beaconblockbody
BeaconBlockBody* = object BeaconBlockBody* = object
randao_reveal*: ValidatorSig randao_reveal*: ValidatorSig
eth1_data*: Eth1Data eth1_data*: Eth1Data
@ -215,7 +215,7 @@ type
deposits*: List[Deposit, MAX_DEPOSITS] deposits*: List[Deposit, MAX_DEPOSITS]
voluntary_exits*: List[SignedVoluntaryExit, MAX_VOLUNTARY_EXITS] voluntary_exits*: List[SignedVoluntaryExit, MAX_VOLUNTARY_EXITS]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#beaconstate # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#beaconstate
BeaconState* = object BeaconState* = object
# Versioning # Versioning
genesis_time*: uint64 genesis_time*: uint64
@ -267,7 +267,7 @@ type
current_justified_checkpoint*: Checkpoint current_justified_checkpoint*: Checkpoint
finalized_checkpoint*: Checkpoint finalized_checkpoint*: Checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#validator # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#validator
Validator* = object Validator* = object
pubkey*: ValidatorPubKey pubkey*: ValidatorPubKey
@ -289,7 +289,7 @@ type
withdrawable_epoch*: Epoch ##\ withdrawable_epoch*: Epoch ##\
## When validator can withdraw or transfer funds ## When validator can withdraw or transfer funds
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#pendingattestation # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#pendingattestation
PendingAttestation* = object PendingAttestation* = object
aggregation_bits*: CommitteeValidatorsBits aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData data*: AttestationData
@ -299,12 +299,12 @@ type
proposer_index*: uint64 proposer_index*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#historicalbatch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#historicalbatch
HistoricalBatch* = object HistoricalBatch* = object
block_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest] block_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
state_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest] state_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#fork # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#fork
Fork* = object Fork* = object
# TODO: Spec introduced an alias for Version = array[4, byte] # TODO: Spec introduced an alias for Version = array[4, byte]
# and a default parameter to compute_domain # and a default parameter to compute_domain
@ -314,28 +314,28 @@ type
epoch*: Epoch ##\ epoch*: Epoch ##\
## Epoch of latest fork ## Epoch of latest fork
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#eth1data # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#eth1data
Eth1Data* = object Eth1Data* = object
deposit_root*: Eth2Digest deposit_root*: Eth2Digest
deposit_count*: uint64 deposit_count*: uint64
block_hash*: Eth2Digest block_hash*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#signedvoluntaryexit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#signedvoluntaryexit
SignedVoluntaryExit* = object SignedVoluntaryExit* = object
message*: VoluntaryExit message*: VoluntaryExit
signature*: ValidatorSig signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#signedbeaconblock # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object SignedBeaconBlock* = object
message*: BeaconBlock message*: BeaconBlock
signature*: ValidatorSig signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#signedvoluntaryexit # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#signedvoluntaryexit
SignedBeaconBlockHeader* = object SignedBeaconBlockHeader* = object
message*: BeaconBlockHeader message*: BeaconBlockHeader
signature*: ValidatorSig signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/validator/0_beacon-chain-validator.md#aggregateandproof # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregateandproof
AggregateAndProof* = object AggregateAndProof* = object
aggregator_index*: uint64 aggregator_index*: uint64
aggregate*: Attestation aggregate*: Attestation

2
beacon_chain/spec/digest.nim
View File

@ -7,7 +7,7 @@
# Serenity hash function / digest # Serenity hash function / digest
# #
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#hash # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#hash
# #
# In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256). # In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256).
# Note that is is different from Keccak256 (often mistakenly called SHA3-256) # Note that is is different from Keccak256 (often mistakenly called SHA3-256)

22
beacon_chain/spec/helpers.nim
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@ -15,7 +15,7 @@ import
# Internal # Internal
./datatypes, ./digest ./datatypes, ./digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#integer_squareroot # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#integer_squareroot
func integer_squareroot*(n: SomeInteger): SomeInteger = func integer_squareroot*(n: SomeInteger): SomeInteger =
# Return the largest integer ``x`` such that ``x**2 <= n``. # Return the largest integer ``x`` such that ``x**2 <= n``.
doAssert n >= 0'u64 doAssert n >= 0'u64
@ -28,7 +28,7 @@ func integer_squareroot*(n: SomeInteger): SomeInteger =
y = (x + n div x) div 2 y = (x + n div x) div 2
x x
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_epoch_at_slot # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_epoch_at_slot
func compute_epoch_at_slot*(slot: Slot|uint64): Epoch = func compute_epoch_at_slot*(slot: Slot|uint64): Epoch =
# Return the epoch number at ``slot``. # Return the epoch number at ``slot``.
(slot div SLOTS_PER_EPOCH).Epoch (slot div SLOTS_PER_EPOCH).Epoch
@ -36,17 +36,17 @@ func compute_epoch_at_slot*(slot: Slot|uint64): Epoch =
template epoch*(slot: Slot): Epoch = template epoch*(slot: Slot): Epoch =
compute_epoch_at_slot(slot) compute_epoch_at_slot(slot)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_start_slot_at_epoch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_start_slot_at_epoch
func compute_start_slot_at_epoch*(epoch: Epoch): Slot = func compute_start_slot_at_epoch*(epoch: Epoch): Slot =
# Return the start slot of ``epoch``. # Return the start slot of ``epoch``.
(epoch * SLOTS_PER_EPOCH).Slot (epoch * SLOTS_PER_EPOCH).Slot
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_active_validator # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_active_validator
func is_active_validator*(validator: Validator, epoch: Epoch): bool = func is_active_validator*(validator: Validator, epoch: Epoch): bool =
### Check if ``validator`` is active ### Check if ``validator`` is active
validator.activation_epoch <= epoch and epoch < validator.exit_epoch validator.activation_epoch <= epoch and epoch < validator.exit_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_active_validator_indices # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_active_validator_indices
func get_active_validator_indices*(state: BeaconState, epoch: Epoch): func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
seq[ValidatorIndex] = seq[ValidatorIndex] =
# Return the sequence of active validator indices at ``epoch``. # Return the sequence of active validator indices at ``epoch``.
@ -54,7 +54,7 @@ func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
if is_active_validator(val, epoch): if is_active_validator(val, epoch):
result.add idx.ValidatorIndex result.add idx.ValidatorIndex
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_committee_count_at_slot # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_committee_count_at_slot
func get_committee_count_at_slot*(state: BeaconState, slot: Slot): uint64 = func get_committee_count_at_slot*(state: BeaconState, slot: Slot): uint64 =
# Return the number of committees at ``slot``. # Return the number of committees at ``slot``.
let epoch = compute_epoch_at_slot(slot) let epoch = compute_epoch_at_slot(slot)
@ -67,13 +67,13 @@ func get_committee_count_at_slot*(state: BeaconState, slot: Slot): uint64 =
# Otherwise, get_beacon_committee(...) cannot access some committees. # Otherwise, get_beacon_committee(...) cannot access some committees.
doAssert (SLOTS_PER_EPOCH * MAX_COMMITTEES_PER_SLOT).uint64 >= result doAssert (SLOTS_PER_EPOCH * MAX_COMMITTEES_PER_SLOT).uint64 >= result
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_current_epoch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_current_epoch
func get_current_epoch*(state: BeaconState): Epoch = func get_current_epoch*(state: BeaconState): Epoch =
# Return the current epoch. # Return the current epoch.
doAssert state.slot >= GENESIS_SLOT, $state.slot doAssert state.slot >= GENESIS_SLOT, $state.slot
compute_epoch_at_slot(state.slot) compute_epoch_at_slot(state.slot)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_randao_mix # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_randao_mix
func get_randao_mix*(state: BeaconState, func get_randao_mix*(state: BeaconState,
epoch: Epoch): Eth2Digest = epoch: Epoch): Eth2Digest =
## Returns the randao mix at a recent ``epoch``. ## Returns the randao mix at a recent ``epoch``.
@ -114,7 +114,7 @@ func int_to_bytes4*(x: uint64): array[4, byte] =
result[2] = ((x shr 16) and 0xff).byte result[2] = ((x shr 16) and 0xff).byte
result[3] = ((x shr 24) and 0xff).byte result[3] = ((x shr 24) and 0xff).byte
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_domain # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_domain
func compute_domain*( func compute_domain*(
domain_type: DomainType, domain_type: DomainType,
fork_version: array[4, byte] = [0'u8, 0, 0, 0]): Domain = fork_version: array[4, byte] = [0'u8, 0, 0, 0]): Domain =
@ -122,7 +122,7 @@ func compute_domain*(
result[0..3] = int_to_bytes4(domain_type.uint64) result[0..3] = int_to_bytes4(domain_type.uint64)
result[4..7] = fork_version result[4..7] = fork_version
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_domain # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_domain
func get_domain*( func get_domain*(
fork: Fork, domain_type: DomainType, epoch: Epoch): Domain = fork: Fork, domain_type: DomainType, epoch: Epoch): Domain =
## Return the signature domain (fork version concatenated with domain type) ## Return the signature domain (fork version concatenated with domain type)
@ -144,7 +144,7 @@ func get_domain*(
func get_domain*(state: BeaconState, domain_type: DomainType): Domain = func get_domain*(state: BeaconState, domain_type: DomainType): Domain =
get_domain(state, domain_type, get_current_epoch(state)) get_domain(state, domain_type, get_current_epoch(state))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_seed # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_seed
func get_seed*(state: BeaconState, epoch: Epoch, domain_type: DomainType): Eth2Digest = func get_seed*(state: BeaconState, epoch: Epoch, domain_type: DomainType): Eth2Digest =
# Return the seed at ``epoch``. # Return the seed at ``epoch``.

8
beacon_chain/spec/presets/mainnet.nim
View File

@ -153,12 +153,12 @@ const
# Fork choice # Fork choice
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/configs/mainnet.yaml#L26 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/configs/mainnet.yaml#L26
SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 8 # 96 seconds SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 8 # 96 seconds
# Validators # Validators
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/configs/mainnet.yaml#L32 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/configs/mainnet.yaml#L32
ETH1_FOLLOW_DISTANCE* = 1024 # blocks ~ 4 hours ETH1_FOLLOW_DISTANCE* = 1024 # blocks ~ 4 hours
TARGET_AGGREGATORS_PER_COMMITTEE* = 16 # validators TARGET_AGGREGATORS_PER_COMMITTEE* = 16 # validators
RANDOM_SUBNETS_PER_VALIDATOR* = 1 # subnet RANDOM_SUBNETS_PER_VALIDATOR* = 1 # subnet
@ -166,7 +166,7 @@ const
# Phase 1 - Sharding # Phase 1 - Sharding
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/1_shard-data-chains.md#time-parameters # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/1_shard-data-chains.md#time-parameters
# TODO those are included in minimal.yaml but not mainnet.yaml # TODO those are included in minimal.yaml but not mainnet.yaml
# Why? # Why?
# SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH # SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH
@ -176,7 +176,7 @@ const
# Phase 1 - Custody game # Phase 1 - Custody game
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/1_custody-game.md#constants # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/1_custody-game.md#constants
# TODO those are included in minimal.yaml but not mainnet.yaml # TODO those are included in minimal.yaml but not mainnet.yaml
# Why? # Why?
# EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS* = 4096 # epochs # EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS* = 4096 # epochs

6
beacon_chain/spec/presets/minimal.nim
View File

@ -38,7 +38,7 @@ const
# Constants # Constants
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#constants # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#constants
# TODO "The following values are (non-configurable) constants" ... # TODO "The following values are (non-configurable) constants" ...
# Unchanged # Unchanged
BASE_REWARDS_PER_EPOCH* = 4 BASE_REWARDS_PER_EPOCH* = 4
@ -127,7 +127,7 @@ const
# Fork choice # Fork choice
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/configs/minimal.yaml#L26 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/configs/minimal.yaml#L26
# Changed # Changed
SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 2 SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 2
@ -146,7 +146,7 @@ const
# Phase 1 - Sharding # Phase 1 - Sharding
# --------------------------------------------------------------- # ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/configs/minimal.yaml#L153 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/configs/minimal.yaml#L153
# TODO those are included in minimal.yaml but not mainnet.yaml # TODO those are included in minimal.yaml but not mainnet.yaml
# Why? # Why?
SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH

16
beacon_chain/spec/state_transition_block.nim
View File

@ -44,7 +44,7 @@ declareGauge beacon_previous_live_validators, "Number of active validators that
declareGauge beacon_pending_deposits, "Number of pending deposits (state.eth1_data.deposit_count - state.eth1_deposit_index)" # On block declareGauge beacon_pending_deposits, "Number of pending deposits (state.eth1_data.deposit_count - state.eth1_deposit_index)" # On block
declareGauge beacon_processed_deposits_total, "Number of total deposits included on chain" # On block declareGauge beacon_processed_deposits_total, "Number of total deposits included on chain" # On block
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#block-header # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#block-header
proc process_block_header*( proc process_block_header*(
state: var BeaconState, blck: BeaconBlock, flags: UpdateFlags, state: var BeaconState, blck: BeaconBlock, flags: UpdateFlags,
stateCache: var StateCache): bool {.nbench.}= stateCache: var StateCache): bool {.nbench.}=
@ -125,21 +125,21 @@ proc process_randao(
true true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#eth1-data # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#eth1-data
func process_eth1_data(state: var BeaconState, body: BeaconBlockBody) {.nbench.}= func process_eth1_data(state: var BeaconState, body: BeaconBlockBody) {.nbench.}=
state.eth1_data_votes.add body.eth1_data state.eth1_data_votes.add body.eth1_data
if state.eth1_data_votes.count(body.eth1_data) * 2 > if state.eth1_data_votes.count(body.eth1_data) * 2 >
SLOTS_PER_ETH1_VOTING_PERIOD: SLOTS_PER_ETH1_VOTING_PERIOD:
state.eth1_data = body.eth1_data state.eth1_data = body.eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_slashable_validator # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_slashable_validator
func is_slashable_validator(validator: Validator, epoch: Epoch): bool = func is_slashable_validator(validator: Validator, epoch: Epoch): bool =
# Check if ``validator`` is slashable. # Check if ``validator`` is slashable.
(not validator.slashed) and (not validator.slashed) and
(validator.activation_epoch <= epoch) and (validator.activation_epoch <= epoch) and
(epoch < validator.withdrawable_epoch) (epoch < validator.withdrawable_epoch)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#proposer-slashings # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#proposer-slashings
proc process_proposer_slashing*( proc process_proposer_slashing*(
state: var BeaconState, proposer_slashing: ProposerSlashing, state: var BeaconState, proposer_slashing: ProposerSlashing,
flags: UpdateFlags, stateCache: var StateCache): bool {.nbench.}= flags: UpdateFlags, stateCache: var StateCache): bool {.nbench.}=
@ -201,7 +201,7 @@ proc processProposerSlashings(
true true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#is_slashable_attestation_data # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#is_slashable_attestation_data
func is_slashable_attestation_data( func is_slashable_attestation_data(
data_1: AttestationData, data_2: AttestationData): bool = data_1: AttestationData, data_2: AttestationData): bool =
## Check if ``data_1`` and ``data_2`` are slashable according to Casper FFG ## Check if ``data_1`` and ``data_2`` are slashable according to Casper FFG
@ -213,7 +213,7 @@ func is_slashable_attestation_data(
(data_1.source.epoch < data_2.source.epoch and (data_1.source.epoch < data_2.source.epoch and
data_2.target.epoch < data_1.target.epoch) data_2.target.epoch < data_1.target.epoch)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attester-slashings # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attester-slashings
proc process_attester_slashing*( proc process_attester_slashing*(
state: var BeaconState, state: var BeaconState,
attester_slashing: AttesterSlashing, attester_slashing: AttesterSlashing,
@ -250,7 +250,7 @@ proc process_attester_slashing*(
return false return false
return true return true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attester-slashings # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attester-slashings
proc processAttesterSlashings(state: var BeaconState, blck: BeaconBlock, proc processAttesterSlashings(state: var BeaconState, blck: BeaconBlock,
stateCache: var StateCache): bool {.nbench.}= stateCache: var StateCache): bool {.nbench.}=
# Process ``AttesterSlashing`` operation. # Process ``AttesterSlashing`` operation.
@ -298,7 +298,7 @@ proc processDeposits(state: var BeaconState, blck: BeaconBlock): bool {.nbench.}
true true
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#voluntary-exits # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#voluntary-exits
proc process_voluntary_exit*( proc process_voluntary_exit*(
state: var BeaconState, state: var BeaconState,
signed_voluntary_exit: SignedVoluntaryExit, signed_voluntary_exit: SignedVoluntaryExit,

26
beacon_chain/spec/state_transition_epoch.nim
View File

@ -63,7 +63,7 @@ declareGauge epoch_transition_final_updates, "Epoch transition final updates tim
# Spec # Spec
# -------------------------------------------------------- # --------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_total_active_balance # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_total_active_balance
func get_total_active_balance*(state: BeaconState): Gwei = func get_total_active_balance*(state: BeaconState): Gwei =
# Return the combined effective balance of the active validators. # Return the combined effective balance of the active validators.
# TODO it calls get_total_balance with set(g_a_v_i(...)) # TODO it calls get_total_balance with set(g_a_v_i(...))
@ -101,7 +101,7 @@ func get_attesting_balance(
get_total_balance(state, get_unslashed_attesting_indices( get_total_balance(state, get_unslashed_attesting_indices(
state, attestations, stateCache)) state, attestations, stateCache))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#justification-and-finalization # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#justification-and-finalization
proc process_justification_and_finalization*( proc process_justification_and_finalization*(
state: var BeaconState, stateCache: var StateCache) {.nbench.}= state: var BeaconState, stateCache: var StateCache) {.nbench.}=
@ -140,11 +140,11 @@ proc process_justification_and_finalization*(
## matter -- in the next epoch, they'll be 2 epochs old, when BeaconState ## matter -- in the next epoch, they'll be 2 epochs old, when BeaconState
## tracks current_epoch_attestations and previous_epoch_attestations only ## tracks current_epoch_attestations and previous_epoch_attestations only
## per ## per
## https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attestations ## https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attestations
## and `get_matching_source_attestations(...)` via ## and `get_matching_source_attestations(...)` via
## https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#helper-functions-1 ## https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#helper-functions-1
## and ## and
## https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#final-updates ## https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#final-updates
## after which the state.previous_epoch_attestations is replaced. ## after which the state.previous_epoch_attestations is replaced.
trace "Non-attesting indices in previous epoch", trace "Non-attesting indices in previous epoch",
missing_all_validators= missing_all_validators=
@ -338,7 +338,7 @@ func get_attestation_deltas(state: BeaconState, stateCache: var StateCache):
(rewards, penalties) (rewards, penalties)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
func process_rewards_and_penalties( func process_rewards_and_penalties(
state: var BeaconState, cache: var StateCache) {.nbench.}= state: var BeaconState, cache: var StateCache) {.nbench.}=
if get_current_epoch(state) == GENESIS_EPOCH: if get_current_epoch(state) == GENESIS_EPOCH:
@ -350,7 +350,7 @@ func process_rewards_and_penalties(
increase_balance(state, i.ValidatorIndex, rewards[i]) increase_balance(state, i.ValidatorIndex, rewards[i])
decrease_balance(state, i.ValidatorIndex, penalties[i]) decrease_balance(state, i.ValidatorIndex, penalties[i])
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#slashings # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#slashings
func process_slashings*(state: var BeaconState) = func process_slashings*(state: var BeaconState) =
let let
epoch = get_current_epoch(state) epoch = get_current_epoch(state)
@ -367,7 +367,7 @@ func process_slashings*(state: var BeaconState) =
let penalty = penalty_numerator div total_balance * increment let penalty = penalty_numerator div total_balance * increment
decrease_balance(state, index.ValidatorIndex, penalty) decrease_balance(state, index.ValidatorIndex, penalty)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#final-updates # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#final-updates
func process_final_updates*(state: var BeaconState) {.nbench.}= func process_final_updates*(state: var BeaconState) {.nbench.}=
let let
current_epoch = get_current_epoch(state) current_epoch = get_current_epoch(state)
@ -407,7 +407,7 @@ func process_final_updates*(state: var BeaconState) {.nbench.}=
state.previous_epoch_attestations = state.current_epoch_attestations state.previous_epoch_attestations = state.current_epoch_attestations
state.current_epoch_attestations = @[] state.current_epoch_attestations = @[]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#epoch-processing # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#epoch-processing
proc process_epoch*(state: var BeaconState) {.nbench.}= proc process_epoch*(state: var BeaconState) {.nbench.}=
# @proc are placeholders # @proc are placeholders
@ -416,7 +416,7 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
var per_epoch_cache = get_empty_per_epoch_cache() var per_epoch_cache = get_empty_per_epoch_cache()
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#justification-and-finalization # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#justification-and-finalization
process_justification_and_finalization(state, per_epoch_cache) process_justification_and_finalization(state, per_epoch_cache)
trace "ran process_justification_and_finalization", trace "ran process_justification_and_finalization",
@ -425,7 +425,7 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#rewards-and-penalties-1 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#rewards-and-penalties-1
process_rewards_and_penalties(state, per_epoch_cache) process_rewards_and_penalties(state, per_epoch_cache)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#registry-updates # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#registry-updates
# Don't rely on caching here. # Don't rely on caching here.
process_registry_updates(state) process_registry_updates(state)
@ -436,12 +436,12 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
# @process_reveal_deadlines # @process_reveal_deadlines
# @process_challenge_deadlines # @process_challenge_deadlines
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#slashings # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#slashings
process_slashings(state) process_slashings(state)
# @update_period_committee # @update_period_committee
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#final-updates # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#final-updates
process_final_updates(state) process_final_updates(state)
# @after_process_final_updates # @after_process_final_updates

2
beacon_chain/spec/state_transition_helpers.nim
View File

@ -32,7 +32,7 @@ func get_attesting_indices*(
result = result.union(get_attesting_indices( result = result.union(get_attesting_indices(
state, a.data, a.aggregation_bits, stateCache)) state, a.data, a.aggregation_bits, stateCache))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#helper-functions-1 # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#helper-functions-1
func get_unslashed_attesting_indices*( func get_unslashed_attesting_indices*(
state: BeaconState, attestations: openarray[PendingAttestation], state: BeaconState, attestations: openarray[PendingAttestation],
stateCache: var StateCache): HashSet[ValidatorIndex] = stateCache: var StateCache): HashSet[ValidatorIndex] =

8
beacon_chain/spec/validator.nim
View File

@ -11,8 +11,8 @@ import
./datatypes, ./digest, ./helpers ./datatypes, ./digest, ./helpers
# TODO: Proceed to renaming and signature changes # TODO: Proceed to renaming and signature changes
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_shuffled_index # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_committee # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_committee
func get_shuffled_seq*(seed: Eth2Digest, func get_shuffled_seq*(seed: Eth2Digest,
list_size: uint64, list_size: uint64,
): seq[ValidatorIndex] = ): seq[ValidatorIndex] =
@ -78,7 +78,7 @@ func get_shuffled_seq*(seed: Eth2Digest,
result = shuffled_active_validator_indices result = shuffled_active_validator_indices
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#get_previous_epoch # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#get_previous_epoch
func get_previous_epoch*(state: BeaconState): Epoch = func get_previous_epoch*(state: BeaconState): Epoch =
# Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``). # Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
let current_epoch = get_current_epoch(state) let current_epoch = get_current_epoch(state)
@ -87,7 +87,7 @@ func get_previous_epoch*(state: BeaconState): Epoch =
else: else:
current_epoch - 1 current_epoch - 1
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#compute_committee # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_committee
func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest, func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
index: uint64, count: uint64, stateCache: var StateCache): seq[ValidatorIndex] = index: uint64, count: uint64, stateCache: var StateCache): seq[ValidatorIndex] =
## Return the committee corresponding to ``indices``, ``seed``, ``index``, ## Return the committee corresponding to ``indices``, ``seed``, ``index``,

2
beacon_chain/state_transition.nim
View File

@ -97,7 +97,7 @@ proc process_slots*(state: var BeaconState, slot: Slot) {.nbench.}=
if is_epoch_transition: if is_epoch_transition:
beacon_current_validators.set(get_epoch_validator_count(state)) beacon_current_validators.set(get_epoch_validator_count(state))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
proc verifyStateRoot(state: BeaconState, blck: BeaconBlock): bool = proc verifyStateRoot(state: BeaconState, blck: BeaconBlock): bool =
# This is inlined in state_transition(...) in spec. # This is inlined in state_transition(...) in spec.
let state_root = hash_tree_root(state) let state_root = hash_tree_root(state)

2
beacon_chain/time.nim
View File

@ -14,7 +14,7 @@ type
## which blocks are valid - in particular, blocks are not valid if they ## which blocks are valid - in particular, blocks are not valid if they
## come from the future as seen from the local clock. ## come from the future as seen from the local clock.
## ##
## https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_fork-choice.md#fork-choice ## https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_fork-choice.md#fork-choice
## ##
# TODO replace time in chronos with a proper unit type, then this code can # TODO replace time in chronos with a proper unit type, then this code can
# follow: # follow:

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. # at your option. This file may not be copied, modified, or distributed except according to those terms.
# process_attestation (beaconstate.nim) # process_attestation (beaconstate.nim)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#attestations # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#attestations
# --------------------------------------------------------------- # ---------------------------------------------------------------
{.used.} {.used.}

2
tests/spec_block_processing/test_process_deposits.nim
View File

@ -7,7 +7,7 @@
# process_deposit (beaconstate.nim) # process_deposit (beaconstate.nim)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.3/specs/core/0_beacon-chain.md#deposits # https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#deposits
# --------------------------------------------------------------- # ---------------------------------------------------------------
{.used.} {.used.}

4
tests/test_block_pool.nim
View File

@ -10,8 +10,8 @@
import import
options, sequtils, unittest, chronicles, options, sequtils, unittest, chronicles,
./testutil, ./testblockutil, ./testutil, ./testblockutil,
../beacon_chain/spec/[beaconstate, datatypes, digest], ../beacon_chain/spec/[datatypes, digest],
../beacon_chain/[beacon_node_types, block_pool, beacon_chain_db, extras, ssz] ../beacon_chain/[beacon_node_types, block_pool, beacon_chain_db, ssz]
when const_preset == "minimal": # Too much stack space used on mainnet when const_preset == "minimal": # Too much stack space used on mainnet
suite "Block pool processing" & preset(): suite "Block pool processing" & preset():