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Merge pull request #699 from status-im/devel 

Testnet release 27-01-2020
This commit is contained in:
zah 2020-01-28 01:00:05 +02:00 committed by GitHub
parent 56876298d7 257771d9af
commit b2b64744c7
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41 changed files with 264 additions and 430 deletions
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5
.gitmodules vendored
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@ -116,11 +116,6 @@
url = https://github.com/tormund/news.git
ignore = dirty
branch = master
[submodule "vendor/nim-result"]
path = vendor/nim-result
url = https://github.com/arnetheduck/nim-result.git
ignore = dirty
branch = master
[submodule "vendor/nim-prompt"]
path = vendor/nim-prompt
url = https://github.com/status-im/nim-prompt.git

6
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
# something that should be happing on receipt, not aggregation per se. In
# that part, check that messages conform -- so, check for each type
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/networking/p2p-interface.md#topics-and-messages
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/p2p-interface.md#topics-and-messages
# specifies. So by the time this calls attestation pool, all validation's
# already done.
#
@ -30,7 +30,7 @@ import
# https://github.com/status-im/nim-beacon-chain/issues/122#issuecomment-562479965
const
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/networking/p2p-interface.md#configuration
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/p2p-interface.md#configuration
ATTESTATION_PROPAGATION_SLOT_RANGE = 32
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#aggregation-selection
@ -72,7 +72,7 @@ proc aggregate_attestations*(
let attestation_data =
makeAttestationData(state, slot, index, get_block_root_at_slot(state, slot))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/validator/0_beacon-chain-validator.md#construct-aggregate
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/validator.md#construct-aggregate
for attestation in getAttestationsForBlock(pool, state, slot):
if attestation.data == attestation_data:
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/validator.md#aggregateandproof

17
beacon_chain/attestation_pool.nim
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@ -162,7 +162,7 @@ proc addResolved(pool: var AttestationPool, blck: BlockRef, attestation: Attesta
# voted for..
if blck.slot > attestation.data.slot:
notice "Invalid attestation (too new!)",
attestationData = shortLog(attestation.data),
attestation = shortLog(attestation),
blockSlot = shortLog(blck.slot)
return
@ -174,10 +174,8 @@ proc addResolved(pool: var AttestationPool, blck: BlockRef, attestation: Attesta
if not validate(state, attestation):
notice "Invalid attestation",
attestationData = shortLog(attestation.data),
attestation = shortLog(attestation),
current_epoch = get_current_epoch(state),
target_epoch = attestation.data.target.epoch,
stateSlot = state.slot,
cat = "filtering"
return
@ -231,11 +229,10 @@ proc addResolved(pool: var AttestationPool, blck: BlockRef, attestation: Attesta
pool.updateLatestVotes(state, attestationSlot, participants, a.blck)
info "Attestation resolved",
attestationData = shortLog(attestation.data),
attestation = shortLog(attestation),
validations = a.validations.len(),
current_epoch = get_current_epoch(state),
target_epoch = attestation.data.target.epoch,
stateSlot = state.slot,
blockSlot = shortLog(blck.slot),
cat = "filtering"
found = true
@ -251,11 +248,10 @@ proc addResolved(pool: var AttestationPool, blck: BlockRef, attestation: Attesta
pool.updateLatestVotes(state, attestationSlot, participants, blck)
info "Attestation resolved",
attestationData = shortLog(attestation.data),
attestation = shortLog(attestation),
current_epoch = get_current_epoch(state),
target_epoch = attestation.data.target.epoch,
stateSlot = state.slot,
validations = 1,
blockSlot = shortLog(blck.slot),
cat = "filtering"
proc add*(pool: var AttestationPool, attestation: Attestation) =
@ -401,6 +397,7 @@ func lmdGhost*(
if (let vote = pool.latestAttestation(pubKey); not vote.isNil):
latest_messages.add((i, vote))
# TODO: update to 0.10.1: https://github.com/ethereum/eth2.0-specs/pull/1589/files#diff-9fc3792aa94456eb29506fa77f77b918R143
template get_latest_attesting_balance(blck: BlockRef): uint64 =
var res: uint64
for validator_index, target in latest_messages.items():

15
beacon_chain/beacon_node.nim
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@ -393,9 +393,8 @@ proc sendAttestation(node: BeaconNode,
".ssz", attestation)
info "Attestation sent",
attestationData = shortLog(attestationData),
attestation = shortLog(attestation),
validator = shortLog(validator),
signature = shortLog(validatorSignature),
indexInCommittee = indexInCommittee,
cat = "consensus"
@ -501,15 +500,17 @@ proc onAttestation(node: BeaconNode, attestation: Attestation) =
# we're on, or that it follows the rules of the protocol
logScope: pcs = "on_attestation"
debug "Attestation received",
attestationData = shortLog(attestation.data),
signature = shortLog(attestation.signature),
cat = "consensus" # Tag "consensus|attestation"?
let
wallSlot = node.beaconClock.now().toSlot()
head = node.blockPool.head
debug "Attestation received",
attestation = shortLog(attestation),
headRoot = shortLog(head.blck.root),
headSlot = shortLog(head.blck.slot),
wallSlot = shortLog(wallSlot.slot),
cat = "consensus" # Tag "consensus|attestation"?
if not wallSlot.afterGenesis or wallSlot.slot < head.blck.slot:
warn "Received attestation before genesis or head - clock is wrong?",
afterGenesis = wallSlot.afterGenesis,

4
beacon_chain/block_pool.nim
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@ -89,7 +89,7 @@ func getAncestorAt*(blck: BlockRef, slot: Slot): BlockRef =
blck = blck.parent
func get_ancestor*(blck: BlockRef, slot: Slot): BlockRef =
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/fork-choice.md#get_ancestor
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/fork-choice.md#get_ancestor
## Return ancestor at slot, or nil if queried block is older
var blck = blck
@ -206,7 +206,7 @@ proc init*(T: type BlockPool, db: BeaconChainDB): BlockPool =
tmpState[] = db.getState(latestStateRoot.get().stateRoot)
let
finalizedSlot =
tmpState[].get().current_justified_checkpoint.epoch.compute_start_slot_at_epoch()
tmpState[].get().finalized_checkpoint.epoch.compute_start_slot_at_epoch()
finalizedHead = headRef.findAncestorBySlot(finalizedSlot)
justifiedSlot =
tmpState[].get().current_justified_checkpoint.epoch.compute_start_slot_at_epoch()

81
beacon_chain/eth2_network.nim
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@ -57,84 +57,7 @@ proc setupNat(conf: BeaconNodeConf): tuple[ip: IpAddress,
if extPorts.isSome:
(result.tcpPort, result.udpPort) = extPorts.get()
when networkBackend == rlpx:
import
os,
eth/[rlp, p2p, keys], gossipsub_protocol,
eth/p2p/peer_pool # for log on connected peers
export
p2p, rlp, gossipsub_protocol
const
netBackendName* = "rlpx"
IrrelevantNetwork* = UselessPeer
type
Eth2Node* = EthereumNode
Eth2NodeIdentity* = KeyPair
BootstrapAddr* = ENode
proc getPersistentNetIdentity*(conf: BeaconNodeConf): Eth2NodeIdentity =
let privateKeyFile = conf.dataDir / "network.privkey"
var privKey: PrivateKey
if not fileExists(privateKeyFile):
privKey = newPrivateKey()
createDir conf.dataDir.string
writeFile(privateKeyFile, $privKey)
else:
privKey = initPrivateKey(readFile(privateKeyFile).string)
KeyPair(seckey: privKey, pubkey: privKey.getPublicKey())
proc getPersistenBootstrapAddr*(conf: BeaconNodeConf,
ip: IpAddress, port: Port): BootstrapAddr =
let
identity = getPersistentNetIdentity(conf)
address = Address(ip: ip, tcpPort: port, udpPort: port)
initENode(identity.pubKey, address)
proc isSameNode*(bootstrapNode: BootstrapAddr, id: Eth2NodeIdentity): bool =
bootstrapNode.pubKey == id.pubKey
proc shortForm*(id: Eth2NodeIdentity): string =
($id.pubKey)[0..5]
proc writeValue*(writer: var JsonWriter, value: BootstrapAddr) {.inline.} =
writer.writeValue $value
proc readValue*(reader: var JsonReader, value: var BootstrapAddr) {.inline.} =
value = initENode reader.readValue(string)
proc createEth2Node*(conf: BeaconNodeConf,
bootstrapNodes: seq[BootstrapAddr]): Future[EthereumNode] {.async.} =
let
keys = getPersistentNetIdentity(conf)
(ip, tcpPort, udpPort) = setupNat(conf)
address = Address(ip: ip,
tcpPort: tcpPort,
udpPort: udpPort)
# TODO there are more networking options to add here: local bind ip, ipv6
# etc.
return newEthereumNode(keys, address, 0,
nil, clientId)
proc saveConnectionAddressFile*(node: Eth2Node, filename: string) =
writeFile(filename, $node.listeningAddress)
proc initAddress*(T: type BootstrapAddr, str: string): T =
initENode(str)
proc initAddress*(T: type BootstrapAddr, ip: IpAddress, tcpPort: Port): T =
# TODO
discard
func peersCount*(node: Eth2Node): int =
node.peerPool.len
else:
when networkBackend in [libp2p, libp2pDaemon]:
import
os, random,
stew/io, eth/async_utils,
@ -362,3 +285,5 @@ else:
shuffle peers
if peers.len > maxPeers: peers.setLen(maxPeers)
for p in peers: yield p
else:
{.fatal: "Unsupported network backend".}

103
beacon_chain/gossipsub_protocol.nim
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@ -1,103 +0,0 @@
import
tables, sets, macros, base64,
chronos, nimcrypto/sysrand, chronicles, json_serialization,
eth/[p2p, rlp, async_utils], eth/p2p/[rlpx, peer_pool],
spec/[datatypes, crypto],
tracing/stacktraces
type
TopicMsgHandler = proc (msg: string)
GossipSubPeer* = ref object
sentMessages: HashSet[string]
subscribedFor: HashSet[string]
GossipSubNetwork* = ref object
topicSubscribers: Table[string, TopicMsgHandler]
handledMessages: HashSet[string]
proc initProtocolState*(network: GossipSubNetwork, _: EthereumNode) =
network.topicSubscribers = initTable[string, TopicMsgHandler]()
network.handledMessages = initSet[string]()
proc initProtocolState*(peer: GossipSubPeer, _: Peer) =
peer.sentMessages = initSet[string]()
peer.subscribedFor = initSet[string]()
proc trySubscribing(peer: Peer, topic: string) {.gcsafe.}
proc tryEmitting(peer: Peer, topic: string,
msgId: string, msg: string): Future[void] {.gcsafe.}
p2pProtocol GossipSub(version = 1,
rlpxName = "gss",
peerState = GossipSubPeer,
networkState = GossipSubNetwork):
# This is a very barebones emulation of the GossipSub protocol
# available in LibP2P:
onPeerConnected do (peer: Peer):
info "GossipSub Peer connected", peer
let gossipNet = peer.networkState
for topic, _ in gossipNet.topicSubscribers:
peer.trySubscribing(topic)
onPeerDisconnected do (peer: Peer, reason: DisconnectionReason):
info "GossipSub Peer disconnected", peer, reason
proc subscribeFor(peer: Peer, topic: string) =
peer.state.subscribedFor.incl topic
proc emit(peer: Peer, topic: string, msgId: string, msg: string) =
if msgId in peer.networkState.handledMessages:
trace "Ignored previously handled message", msgId
return
peer.networkState.handledMessages.incl msgId
for p in peer.network.peers(GossipSub):
if msgId notin p.state.sentMessages and topic in p.state.subscribedFor:
p.state.sentMessages.incl msgId
traceAsyncErrors p.tryEmitting(topic, msgId, msg)
{.gcsafe.}:
let handler = peer.networkState.topicSubscribers.getOrDefault(topic)
if handler != nil:
handler(msg)
proc trySubscribing(peer: Peer, topic: string) =
var fut = peer.subscribeFor(topic)
fut.addCallback do (arg: pointer):
if fut.failed:
debug "Failed to subscribe to topic with GossipSub peer", topic, peer
proc tryEmitting(peer: Peer, topic: string,
msgId: string, msg: string): Future[void] =
var fut = peer.emit(topic, msgId, msg)
fut.addCallback do (arg: pointer):
if fut.failed:
debug "GossipSub message not delivered to Peer", peer
return fut
proc subscribe*[MsgType](node: EthereumNode,
topic: string,
userHandler: proc(msg: MsgType)) {.async.}=
var gossipNet = node.protocolState(GossipSub)
gossipNet.topicSubscribers[topic] = proc (msg: string) =
userHandler Json.decode(msg, MsgType)
for peer in node.peers(GossipSub):
peer.trySubscribing(topic)
proc broadcast*(node: EthereumNode, topic: string, msg: auto) =
var randBytes: array[10, byte];
if randomBytes(randBytes) != 10:
warn "Failed to generate random message id"
let msg = Json.encode(msg)
let msgId = base64.encode(randBytes)
trace "Sending GossipSub message", msgId
for peer in node.peers(GossipSub):
if topic in peer.state(GossipSub).subscribedFor:
traceAsyncErrors peer.tryEmitting(topic, msgId, msg)

2
beacon_chain/interop.nim
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@ -39,7 +39,7 @@ const eth1BlockHash* = block:
for v in x.data.mitems: v = 0x42
x
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/deposit-contract.md#withdrawal-credentials
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/deposit-contract.md#withdrawal-credentials
func makeWithdrawalCredentials*(k: ValidatorPubKey): Eth2Digest =
var bytes = eth2hash(k.getBytes())
bytes.data[0] = BLS_WITHDRAWAL_PREFIX.uint8

2
beacon_chain/kvstore_lmdb.nim
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@ -14,7 +14,7 @@ const
MDB_NOTFOUND = -30798
when defined(cpu64):
const LMDB_MAP_SIZE = 1024'u * 1024'u * 1024'u * 10'u # 10TB enough?
const LMDB_MAP_SIZE = 1024'u * 1024'u * 1024'u * 10'u # 10 GiB enough?
else:
const LMDB_MAP_SIZE = 1024'u * 1024'u * 1024'u # 32bit limitation

32
beacon_chain/spec/beaconstate.nim
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@ -12,7 +12,7 @@ import
./crypto, ./datatypes, ./digest, ./helpers, ./validator,
../../nbench/bench_lab
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#is_valid_merkle_branch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/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.}=
## Check if ``leaf`` at ``index`` verifies against the Merkle ``root`` and
## ``branch``.
@ -30,13 +30,13 @@ func is_valid_merkle_branch*(leaf: Eth2Digest, branch: openarray[Eth2Digest], de
value = eth2hash(buf)
value == root
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#increase_balance
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#decrease_balance
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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
@ -103,13 +103,13 @@ func process_deposit*(
true
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#compute_activation_exit_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#get_validator_churn_limit
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_validator_churn_limit
func get_validator_churn_limit(state: BeaconState): uint64 =
# Return the validator churn limit for the current epoch.
let active_validator_indices =
@ -117,7 +117,7 @@ func get_validator_churn_limit(state: BeaconState): uint64 =
max(MIN_PER_EPOCH_CHURN_LIMIT,
len(active_validator_indices) div CHURN_LIMIT_QUOTIENT).uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#initiate_validator_exit
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#initiate_validator_exit
func initiate_validator_exit*(state: var BeaconState,
index: ValidatorIndex) =
# Initiate the exit of the validator with index ``index``.
@ -146,7 +146,7 @@ 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/v0.9.2/specs/core/0_beacon-chain.md#slash_validator
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#slash_validator
proc slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
stateCache: var StateCache) =
# Slash the validator with index ``index``.
@ -189,7 +189,7 @@ proc slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
increase_balance(
state, whistleblower_index, whistleblowing_reward - proposer_reward)
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#genesis
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#genesis
func initialize_beacon_state_from_eth1*(
eth1_block_hash: Eth2Digest,
eth1_timestamp: uint64,
@ -274,7 +274,7 @@ func get_initial_beacon_block*(state: BeaconState): SignedBeaconBlock =
# parent_root, randao_reveal, eth1_data, signature, and body automatically
# initialized to default values.
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_block_root_at_slot
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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``.
@ -283,12 +283,12 @@ 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/v0.10.0/specs/phase0/beacon-chain.md#get_block_root
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#get_total_balance
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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``. (1 Gwei minimum
## to avoid divisions by zero.)
@ -298,13 +298,13 @@ func get_total_balance*(state: BeaconState, validators: auto): Gwei =
# XXX: Move to state_transition_epoch.nim?
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#is_eligible_for_activation_queue
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#is_eligible_for_activation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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.
@ -314,7 +314,7 @@ 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/v0.10.0/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#registry-updates
proc process_registry_updates*(state: var BeaconState) {.nbench.}=
## Process activation eligibility and ejections
## Try to avoid caching here, since this could easily become undefined
@ -399,7 +399,7 @@ proc is_valid_indexed_attestation*(
true
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_attesting_indices
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_attesting_indices
func get_attesting_indices*(state: BeaconState,
data: AttestationData,
bits: CommitteeValidatorsBits,
@ -412,7 +412,7 @@ func get_attesting_indices*(state: BeaconState,
if bits[i]:
result.incl index
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_indexed_attestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_indexed_attestation
func get_indexed_attestation(state: BeaconState, attestation: Attestation,
stateCache: var StateCache): IndexedAttestation =
# Return the indexed attestation corresponding to ``attestation``.

27
beacon_chain/spec/crypto.nim
View File

@ -24,7 +24,7 @@
import
stew/[endians2, objects, byteutils], hashes, nimcrypto/utils,
blscurve, json_serialization,
../version, digest,
digest,
chronicles
export
@ -250,31 +250,6 @@ else:
proc newPrivKey*(): ValidatorPrivKey =
SigKey.random()
when networkBackend == rlpx:
import eth/rlp
when ValidatorPubKey is BlsValue:
proc append*(writer: var RlpWriter, value: ValidatorPubKey) =
writer.append if value.kind == Real: value.blsValue.getBytes()
else: value.blob
else:
proc append*(writer: var RlpWriter, value: ValidatorPubKey) =
writer.append value.getBytes()
proc read*(rlp: var Rlp, T: type ValidatorPubKey): T {.inline.} =
result.initFromBytes rlp.toBytes.toOpenArray
when ValidatorSig is BlsValue:
proc append*(writer: var RlpWriter, value: ValidatorSig) =
writer.append if value.kind == Real: value.blsValue.getBytes()
else: value.blob
else:
proc append*(writer: var RlpWriter, value: ValidatorSig) =
writer.append value.getBytes()
proc read*(rlp: var Rlp, T: type ValidatorSig): T {.inline.} =
result.initFromBytes rlp.toBytes.toOpenArray
proc writeValue*(writer: var JsonWriter, value: VerKey) {.inline.} =
writer.writeValue($value)

86
beacon_chain/spec/datatypes.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -20,7 +20,7 @@
import
macros, hashes, json, strutils, tables,
stew/[byteutils, bitseqs], chronicles,
../version, ../ssz/types, ./crypto, ./digest
../ssz/types, ./crypto, ./digest
# TODO Data types:
# Presently, we're reusing the data types from the serialization (uint64) in the
@ -82,7 +82,7 @@ type
# Domains
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#domain-types
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#domain-types
DomainType* {.pure.} = enum
DOMAIN_BEACON_PROPOSER = 0
DOMAIN_BEACON_ATTESTER = 1
@ -90,10 +90,10 @@ type
DOMAIN_DEPOSIT = 3
DOMAIN_VOLUNTARY_EXIT = 4
# Phase 1 - Custody game
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase1/custody-game.md#signature-domain-types
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase1/custody-game.md#signature-domain-types
DOMAIN_CUSTODY_BIT_CHALLENGE = 6
# Phase 1 - Sharding
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase1/shard-data-chains.md#signature-domain-types
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase1/shard-data-chains.md#signature-domain-types
DOMAIN_SHARD_PROPOSER = 128
DOMAIN_SHARD_ATTESTER = 129
@ -109,18 +109,18 @@ type
BitList*[maxLen: static int] = distinct BitSeq
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#proposerslashing
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#proposerslashing
ProposerSlashing* = object
proposer_index*: uint64
signed_header_1*: SignedBeaconBlockHeader
signed_header_2*: SignedBeaconBlockHeader
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#attesterslashing
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#attesterslashing
AttesterSlashing* = object
attestation_1*: IndexedAttestation
attestation_2*: IndexedAttestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#indexedattestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#indexedattestation
IndexedAttestation* = object
# TODO ValidatorIndex, but that doesn't serialize properly
attesting_indices*: List[uint64, MAX_VALIDATORS_PER_COMMITTEE]
@ -129,18 +129,18 @@ type
CommitteeValidatorsBits* = BitList[MAX_VALIDATORS_PER_COMMITTEE]
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#attestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#attestation
Attestation* = object
aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#checkpoint
Checkpoint* = object
epoch*: Epoch
root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#AttestationData
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#AttestationData
AttestationData* = object
slot*: Slot
index*: uint64
@ -152,34 +152,34 @@ type
source*: Checkpoint
target*: Checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#deposit
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#depositmessage
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#depositmessage
DepositMessage* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
amount*: Gwei
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#depositdata
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#depositdata
DepositData* = object
pubkey*: ValidatorPubKey
withdrawal_credentials*: Eth2Digest
amount*: uint64
signature*: ValidatorSig # Signing over DepositMessage
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#voluntaryexit
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#beaconblock
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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
@ -197,14 +197,14 @@ type
body*: BeaconBlockBody
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#beaconblockheader
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beaconblockheader
BeaconBlockHeader* = object
slot*: Slot
parent_root*: Eth2Digest
state_root*: Eth2Digest
body_root*: Eth2Digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#beaconblockbody
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beaconblockbody
BeaconBlockBody* = object
randao_reveal*: ValidatorSig
eth1_data*: Eth1Data
@ -217,7 +217,7 @@ type
deposits*: List[Deposit, MAX_DEPOSITS]
voluntary_exits*: List[SignedVoluntaryExit, MAX_VOLUNTARY_EXITS]
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#beaconstate
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beaconstate
BeaconState* = object
# Versioning
genesis_time*: uint64
@ -269,7 +269,7 @@ type
current_justified_checkpoint*: Checkpoint
finalized_checkpoint*: Checkpoint
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#validator
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#validator
Validator* = object
pubkey*: ValidatorPubKey
@ -291,7 +291,7 @@ type
withdrawable_epoch*: Epoch ##\
## When validator can withdraw or transfer funds
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#pendingattestation
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#pendingattestation
PendingAttestation* = object
aggregation_bits*: CommitteeValidatorsBits
data*: AttestationData
@ -301,12 +301,12 @@ type
proposer_index*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#historicalbatch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#fork
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#fork
Fork* = object
# TODO: Spec introduced an alias for Version = array[4, byte]
# and a default parameter to compute_domain
@ -316,39 +316,39 @@ type
epoch*: Epoch ##\
## Epoch of latest fork
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#eth1data
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#signingroot
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#signingroot
SigningRoot* = object
object_root*: Eth2Digest
domain*: uint64
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#signedvoluntaryexit
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#signedvoluntaryexit
SignedVoluntaryExit* = object
message*: VoluntaryExit
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#signedbeaconblock
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#signedbeaconblock
SignedBeaconBlock* = object
message*: BeaconBlock
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#signedbeaconblockheader
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#signedbeaconblockheader
SignedBeaconBlockHeader* = object
message*: BeaconBlockHeader
signature*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/validator.md#aggregateandproof
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/validator.md#aggregateandproof
AggregateAndProof* = object
aggregator_index*: uint64
aggregate*: Attestation
selection_proof*: ValidatorSig
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/validator.md#eth1block
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/validator.md#eth1block
Eth1Block* = object
timestamp*: uint64
# All other eth1 block fields
@ -365,16 +365,6 @@ type
Table[Epoch, seq[ValidatorIndex]]
committee_count_cache*: Table[Epoch, uint64]
when networkBackend == rlpx:
import eth/rlp/bitseqs as rlpBitseqs
export read, append
proc read*(rlp: var Rlp, T: type BitList): T {.inline.} =
T rlp.read(BitSeq)
proc append*(writer: var RlpWriter, value: BitList) =
writer.append BitSeq(value)
template foreachSpecType*(op: untyped) =
## These are all spec types that will appear in network messages
## and persistent consensus data. This helper template is useful
@ -486,13 +476,6 @@ template ethTimeUnit(typ: type) {.dirty.} =
proc `%`*(x: typ): JsonNode {.borrow.}
# Serialization
when networkBackend == rlpx:
proc read*(rlp: var Rlp, T: type typ): typ {.inline.} =
typ(rlp.read(uint64))
proc append*(writer: var RlpWriter, value: typ) =
writer.append uint64(value)
proc writeValue*(writer: var JsonWriter, value: typ) =
writeValue(writer, uint64 value)
@ -599,6 +582,7 @@ func shortLog*(v: BeaconBlock): auto =
func shortLog*(v: AttestationData): auto =
(
slot: shortLog(v.slot),
index: v.index,
beacon_block_root: shortLog(v.beacon_block_root),
source_epoch: shortLog(v.source.epoch),
source_root: shortLog(v.source.root),
@ -606,10 +590,18 @@ func shortLog*(v: AttestationData): auto =
target_root: shortLog(v.target.root)
)
func shortLog*(v: Attestation): auto =
(
aggregation_bits: v.aggregation_bits,
data: shortLog(v.data),
signature: shortLog(v.signature)
)
chronicles.formatIt Slot: it.shortLog
chronicles.formatIt Epoch: it.shortLog
chronicles.formatIt BeaconBlock: it.shortLog
chronicles.formatIt AttestationData: it.shortLog
chronicles.formatIt Attestation: it.shortLog
import json_serialization
export json_serialization

2
beacon_chain/spec/digest.nim
View File

@ -7,7 +7,7 @@
# Serenity hash function / digest
#
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#hash
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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)

22
beacon_chain/spec/helpers.nim
View File

@ -15,7 +15,7 @@ import
# Internal
./datatypes, ./digest
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#integer_squareroot
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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
@ -28,7 +28,7 @@ func integer_squareroot*(n: SomeInteger): SomeInteger =
y = (x + n div x) div 2
x
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#compute_epoch_at_slot
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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
@ -36,17 +36,17 @@ func compute_epoch_at_slot*(slot: Slot|uint64): Epoch =
template epoch*(slot: Slot): Epoch =
compute_epoch_at_slot(slot)
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#compute_start_slot_at_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#is_active_validator
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#get_active_validator_indices
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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``.
@ -54,7 +54,7 @@ func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
if is_active_validator(val, epoch):
result.add idx.ValidatorIndex
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_committee_count_at_slot
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_committee_count_at_slot
func get_committee_count_at_slot*(state: BeaconState, slot: Slot): uint64 =
# Return the number of committees at ``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.
doAssert (SLOTS_PER_EPOCH * MAX_COMMITTEES_PER_SLOT).uint64 >= result
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_current_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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/v0.10.0/specs/phase0/beacon-chain.md#get_randao_mix
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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``.
@ -114,7 +114,7 @@ func int_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/v0.10.0/specs/phase0/beacon-chain.md#compute_domain
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#compute_domain
func compute_domain*(
domain_type: DomainType,
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[4..7] = fork_version
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_domain
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_domain
func get_domain*(
fork: Fork, domain_type: DomainType, epoch: Epoch): Domain =
## 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 =
get_domain(state, domain_type, get_current_epoch(state))
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_seed
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_seed
func get_seed*(state: BeaconState, epoch: Epoch, domain_type: DomainType): Eth2Digest =
# Return the seed at ``epoch``.

27
beacon_chain/spec/presets/mainnet.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -20,7 +20,7 @@ type
const
# Misc
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/mainnet.yaml#L6
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L6
MAX_COMMITTEES_PER_SLOT* {.intdefine.} = 64
@ -45,14 +45,14 @@ const
MIN_GENESIS_ACTIVE_VALIDATOR_COUNT* {.intdefine.} = 16384
# Constants (TODO: not actually configurable)
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#constants
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#constants
BASE_REWARDS_PER_EPOCH* = 4
DEPOSIT_CONTRACT_TREE_DEPTH* = 32
# Gwei values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/mainnet.yaml#L50
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L52
MIN_DEPOSIT_AMOUNT* = 2'u64^0 * 10'u64^9 ##\
## Minimum amounth of ETH that can be deposited in one call - deposits can
@ -69,14 +69,14 @@ const
# Initial values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/mainnet.yaml#L64
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L64
GENESIS_SLOT* = 0.Slot
GENESIS_FORK_VERSION* = 0x00000000
BLS_WITHDRAWAL_PREFIX* = 0'u8
# Time parameters
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/mainnet.yaml#L69
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L71
MIN_GENESIS_DELAY* = 86400 # 86400 seconds (1 day)
SECONDS_PER_SLOT*{.intdefine.} = 12'u64 # Compile with -d:SECONDS_PER_SLOT=1 for 12x faster slots
@ -128,7 +128,7 @@ const
# State vector lengths
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/mainnet.yaml#L98
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L102
EPOCHS_PER_HISTORICAL_VECTOR* = 65536
EPOCHS_PER_SLASHINGS_VECTOR* = 8192
HISTORICAL_ROOTS_LIMIT* = 16777216
@ -136,7 +136,7 @@ const
# Reward and penalty quotients
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/mainnet.yaml#L110
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L114
BASE_REWARD_FACTOR* = 2'u64^6
WHISTLEBLOWER_REWARD_QUOTIENT* = 2'u64^9
PROPOSER_REWARD_QUOTIENT* = 2'u64^3
@ -145,7 +145,7 @@ const
# Max operations per block
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/mainnet.yaml#L128
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L128
MAX_PROPOSER_SLASHINGS* = 2^4
MAX_ATTESTER_SLASHINGS* = 2^0
MAX_ATTESTATIONS* = 2^7
@ -154,12 +154,12 @@ const
# Fork choice
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/mainnet.yaml#L26
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L26
SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 8 # 96 seconds
# Validators
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/mainnet.yaml#L32
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/mainnet.yaml#L32
ETH1_FOLLOW_DISTANCE* = 1024 # blocks ~ 4 hours
TARGET_AGGREGATORS_PER_COMMITTEE* = 16 # validators
RANDOM_SUBNETS_PER_VALIDATOR* = 1 # subnet
@ -168,7 +168,7 @@ const
# Phase 1 - Sharding
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase1/shard-data-chains.md#time-parameters
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase1/shard-data-chains.md#time-parameters
# TODO those are included in minimal.yaml but not mainnet.yaml
# Why?
# SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH
@ -178,10 +178,9 @@ const
# Phase 1 - Custody game
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase1/custody-game.md#constants
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase1/custody-game.md#constants
# TODO those are included in minimal.yaml but not mainnet.yaml
# Why?
# EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS* = 4096 # epochs
# EPOCHS_PER_CUSTODY_PERIOD* = 4
# CUSTODY_PERIOD_TO_RANDAO_PADDING* = 4

27
beacon_chain/spec/presets/minimal.nim
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@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -20,7 +20,7 @@ type
const
# Misc
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/minimal.yaml#L4
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L4
# Changed
MAX_COMMITTEES_PER_SLOT* = 4
@ -38,7 +38,7 @@ const
# Constants
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#constants
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#constants
# TODO "The following values are (non-configurable) constants" ...
# Unchanged
BASE_REWARDS_PER_EPOCH* = 4
@ -47,7 +47,7 @@ const
# Gwei values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/minimal.yaml#L50
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L52
# Unchanged
MIN_DEPOSIT_AMOUNT* = 2'u64^0 * 10'u64^9
@ -57,7 +57,7 @@ const
# Initial values
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/minimal.yaml#L62
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L64
# Unchanged
GENESIS_SLOT* = 0.Slot
@ -66,7 +66,7 @@ const
# Time parameters
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/minimal.yaml#L71
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L71
# Changed: Faster to spin up testnets, but does not give validator
# reasonable warning time for genesis
MIN_GENESIS_DELAY* = 300
@ -98,7 +98,7 @@ const
# State vector lengths
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/minimal.yaml#L101
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L105
# Changed
EPOCHS_PER_HISTORICAL_VECTOR* = 64
@ -108,7 +108,7 @@ const
# Reward and penalty quotients
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/minimal.yaml#L117
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L117
BASE_REWARD_FACTOR* = 2'u64^6
WHISTLEBLOWER_REWARD_QUOTIENT* = 2'u64^9
@ -118,7 +118,7 @@ const
# Max operations per block
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/configs/minimal.yaml#L127
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L131
MAX_PROPOSER_SLASHINGS* = 2^4
MAX_ATTESTER_SLASHINGS* = 2^0
@ -128,14 +128,14 @@ const
# Fork choice
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/minimal.yaml#L26
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L26
# Changed
SAFE_SLOTS_TO_UPDATE_JUSTIFIED* = 2
# Validators
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/validator/0_beacon-chain-validator.md#misc
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L32
# Changed
ETH1_FOLLOW_DISTANCE* = 16 # blocks
@ -148,7 +148,7 @@ const
# Phase 1 - Sharding
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/configs/minimal.yaml#L157
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/configs/minimal.yaml#L157
# TODO those are included in minimal.yaml but not mainnet.yaml
# Why?
SHARD_SLOTS_PER_BEACON_SLOT* = 2 # spec: SHARD_SLOTS_PER_EPOCH
@ -158,10 +158,9 @@ const
# Phase 1 - Custody game
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/1_custody-game.md#constants
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase1/custody-game.md#constants
# TODO those are included in minimal.yaml but not mainnet.yaml
# Why?
EARLY_DERIVED_SECRET_PENALTY_MAX_FUTURE_EPOCHS* = 4096 # epochs
EPOCHS_PER_CUSTODY_PERIOD* = 4
CUSTODY_PERIOD_TO_RANDAO_PADDING* = 4

10
beacon_chain/spec/state_transition_block.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -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_processed_deposits_total, "Number of total deposits included on chain" # On block
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#block-header
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#block-header
proc process_block_header*(
state: var BeaconState, blck: BeaconBlock, flags: UpdateFlags,
stateCache: var StateCache): bool {.nbench.}=
@ -125,14 +125,14 @@ proc process_randao(
true
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#eth1-data
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#eth1-data
func process_eth1_data(state: var BeaconState, body: BeaconBlockBody) {.nbench.}=
state.eth1_data_votes.add body.eth1_data
if state.eth1_data_votes.count(body.eth1_data) * 2 >
SLOTS_PER_ETH1_VOTING_PERIOD:
state.eth1_data = body.eth1_data
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#is_slashable_validator
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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
@ -201,7 +201,7 @@ proc processProposerSlashings(
true
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#is_slashable_attestation_data
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/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

42
beacon_chain/spec/state_transition_epoch.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -63,7 +63,7 @@ declareGauge epoch_transition_final_updates, "Epoch transition final updates tim
# Spec
# --------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_total_active_balance
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_total_active_balance
func get_total_active_balance*(state: BeaconState): Gwei =
# Return the combined effective balance of the active validators.
# TODO it calls get_total_balance with set(g_a_v_i(...))
@ -71,7 +71,7 @@ func get_total_active_balance*(state: BeaconState): Gwei =
state,
get_active_validator_indices(state, get_current_epoch(state)))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#helper-functions-1
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#helper-functions-1
func get_matching_source_attestations(state: BeaconState, epoch: Epoch):
seq[PendingAttestation] =
doAssert epoch in [get_current_epoch(state), get_previous_epoch(state)]
@ -140,11 +140,11 @@ proc process_justification_and_finalization*(
## matter -- in the next epoch, they'll be 2 epochs old, when BeaconState
## tracks current_epoch_attestations and previous_epoch_attestations only
## per
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#attestations
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#attestations
## and `get_matching_source_attestations(...)` via
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#helper-functions-1
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#helper-functions-1
## and
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#final-updates
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#final-updates
## after which the state.previous_epoch_attestations is replaced.
trace "Non-attesting indices in previous epoch",
missing_all_validators=
@ -167,7 +167,7 @@ proc process_justification_and_finalization*(
root: get_block_root(state, previous_epoch))
state.justification_bits.setBit 1
debug "Justified with previous epoch",
trace "Justified with previous epoch",
current_epoch = current_epoch,
checkpoint = shortLog(state.current_justified_checkpoint),
cat = "justification"
@ -181,7 +181,7 @@ proc process_justification_and_finalization*(
root: get_block_root(state, current_epoch))
state.justification_bits.setBit 0
debug "Justified with current epoch",
trace "Justified with current epoch",
current_epoch = current_epoch,
checkpoint = shortLog(state.current_justified_checkpoint),
cat = "justification"
@ -195,7 +195,7 @@ proc process_justification_and_finalization*(
old_previous_justified_checkpoint.epoch + 3 == current_epoch:
state.finalized_checkpoint = old_previous_justified_checkpoint
debug "Finalized with rule 234",
trace "Finalized with rule 234",
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint),
cat = "finalization"
@ -206,7 +206,7 @@ proc process_justification_and_finalization*(
old_previous_justified_checkpoint.epoch + 2 == current_epoch:
state.finalized_checkpoint = old_previous_justified_checkpoint
debug "Finalized with rule 23",
trace "Finalized with rule 23",
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint),
cat = "finalization"
@ -217,7 +217,7 @@ proc process_justification_and_finalization*(
old_current_justified_checkpoint.epoch + 2 == current_epoch:
state.finalized_checkpoint = old_current_justified_checkpoint
debug "Finalized with rule 123",
trace "Finalized with rule 123",
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint),
cat = "finalization"
@ -228,12 +228,12 @@ proc process_justification_and_finalization*(
old_current_justified_checkpoint.epoch + 1 == current_epoch:
state.finalized_checkpoint = old_current_justified_checkpoint
debug "Finalized with rule 12",
trace "Finalized with rule 12",
current_epoch = current_epoch,
checkpoint = shortLog(state.finalized_checkpoint),
cat = "finalization"
# 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/v0.10.1/specs/phase0/beacon-chain.md#rewards-and-penalties-1
func get_base_reward(state: BeaconState, index: ValidatorIndex,
total_balance: auto): Gwei =
# Spec function recalculates total_balance every time, which creates an
@ -338,7 +338,7 @@ func get_attestation_deltas(state: BeaconState, stateCache: var StateCache):
(rewards, penalties)
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#rewards-and-penalties-1
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#rewards-and-penalties-1
func process_rewards_and_penalties(
state: var BeaconState, cache: var StateCache) {.nbench.}=
if get_current_epoch(state) == GENESIS_EPOCH:
@ -367,7 +367,7 @@ func process_slashings*(state: var BeaconState) {.nbench.}=
let penalty = penalty_numerator div total_balance * increment
decrease_balance(state, index.ValidatorIndex, penalty)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#final-updates
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#final-updates
func process_final_updates*(state: var BeaconState) {.nbench.}=
let
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.current_epoch_attestations = @[]
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#epoch-processing
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#epoch-processing
proc process_epoch*(state: var BeaconState) {.nbench.}=
# @proc are placeholders
@ -416,16 +416,16 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
var per_epoch_cache = get_empty_per_epoch_cache()
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#justification-and-finalization
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#justification-and-finalization
process_justification_and_finalization(state, per_epoch_cache)
trace "ran process_justification_and_finalization",
current_epoch = get_current_epoch(state)
# 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/v0.10.1/specs/phase0/beacon-chain.md#rewards-and-penalties-1
process_rewards_and_penalties(state, per_epoch_cache)
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#registry-updates
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#registry-updates
# Don't rely on caching here.
process_registry_updates(state)
@ -436,12 +436,12 @@ proc process_epoch*(state: var BeaconState) {.nbench.}=
# @process_reveal_deadlines
# @process_challenge_deadlines
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#slashings
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#slashings
process_slashings(state)
# @update_period_committee
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#final-updates
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#final-updates
process_final_updates(state)
# @after_process_final_updates

6
beacon_chain/spec/state_transition_helpers.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -22,7 +22,7 @@ func shortLog*(x: Checkpoint): string =
# Helpers used in epoch transition and trace-level block transition
# --------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#helper-functions-1
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#helper-functions-1
func get_attesting_indices*(
state: BeaconState, attestations: openarray[PendingAttestation],
stateCache: var StateCache): HashSet[ValidatorIndex] =
@ -32,7 +32,7 @@ func get_attesting_indices*(
result = result.union(get_attesting_indices(
state, a.data, a.aggregation_bits, stateCache))
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#helper-functions-1
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#helper-functions-1
func get_unslashed_attesting_indices*(
state: BeaconState, attestations: openarray[PendingAttestation],
stateCache: var StateCache): HashSet[ValidatorIndex] =

17
beacon_chain/spec/validator.nim
View File

@ -1,4 +1,4 @@
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -10,9 +10,8 @@ import
options, nimcrypto, sequtils, math, tables,
./datatypes, ./digest, ./helpers
# TODO: Proceed to renaming and signature changes
# 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/v0.9.4/specs/core/0_beacon-chain.md#compute_committee
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#compute_shuffled_index
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#compute_committee
func get_shuffled_seq*(seed: Eth2Digest,
list_size: uint64,
): seq[ValidatorIndex] =
@ -78,7 +77,7 @@ func get_shuffled_seq*(seed: Eth2Digest,
result = shuffled_active_validator_indices
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.0/specs/phase0/beacon-chain.md#get_previous_epoch
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_previous_epoch
func get_previous_epoch*(state: BeaconState): Epoch =
# Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
let current_epoch = get_current_epoch(state)
@ -87,7 +86,7 @@ func get_previous_epoch*(state: BeaconState): Epoch =
else:
current_epoch - 1
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.4/specs/core/0_beacon-chain.md#compute_committee
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#compute_committee
func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
index: uint64, count: uint64, stateCache: var StateCache): seq[ValidatorIndex] =
## Return the committee corresponding to ``indices``, ``seed``, ``index``,
@ -112,7 +111,7 @@ func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
start.int .. (endIdx.int-1),
indices[stateCache.beacon_committee_cache[key][it]])
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#get_beacon_committee
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_beacon_committee
func get_beacon_committee*(state: BeaconState, slot: Slot, index: uint64, cache: var StateCache): seq[ValidatorIndex] =
# Return the beacon committee at ``slot`` for ``index``.
let
@ -146,7 +145,7 @@ func get_empty_per_epoch_cache*(): StateCache =
initTable[Epoch, seq[ValidatorIndex]]()
result.committee_count_cache = initTable[Epoch, uint64]()
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#compute_proposer_index
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#compute_proposer_index
func compute_proposer_index(state: BeaconState, indices: seq[ValidatorIndex],
seed: Eth2Digest, stateCache: var StateCache): Option[ValidatorIndex] =
# Return from ``indices`` a random index sampled by effective balance.
@ -179,7 +178,7 @@ func compute_proposer_index(state: BeaconState, indices: seq[ValidatorIndex],
return some(candidate_index)
i += 1
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#get_beacon_proposer_index
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#get_beacon_proposer_index
func get_beacon_proposer_index*(state: BeaconState, stateCache: var StateCache):
Option[ValidatorIndex] =
# Return the beacon proposer index at the current slot.

16
beacon_chain/ssz.nim
View File

@ -57,7 +57,7 @@ type
FixedSizedWriterCtx = object
Bytes = seq[byte]
ByteList = seq[byte]
serializationFormat SSZ,
Reader = SszReader,
@ -102,7 +102,7 @@ template toSszType*(x: auto): auto =
when x is Slot|Epoch|ValidatorIndex|enum: uint64(x)
elif x is Eth2Digest: x.data
elif x is BlsValue|BlsCurveType: getBytes(x)
elif x is BitSeq|BitList: Bytes(x)
elif x is BitSeq|BitList: ByteList(x)
elif x is ref|ptr: toSszType x[]
elif x is Option: toSszType x.get
elif x is TypeWithMaxLen: toSszType valueOf(x)
@ -194,7 +194,7 @@ template writeField*(w: var SszWriter,
let initPos = w.stream.pos
trs "WRITING VAR SIZE VALUE OF TYPE ", name(FieldType)
when FieldType is BitSeq:
trs "BIT SEQ ", Bytes(field)
trs "BIT SEQ ", ByteList(field)
writeVarSizeType(w, toSszType(field))
ctx.offset += w.stream.pos - initPos
@ -458,8 +458,8 @@ func bitlistHashTreeRoot(merkelizer: SszChunksMerkelizer, x: BitSeq): Eth2Digest
trs "CHUNKIFYING BIT SEQ WITH LIMIT ", merkelizer.limit
var
totalBytes = Bytes(x).len
lastCorrectedByte = Bytes(x)[^1]
totalBytes = ByteList(x).len
lastCorrectedByte = ByteList(x)[^1]
if lastCorrectedByte == byte(1):
if totalBytes == 1:
@ -471,7 +471,7 @@ func bitlistHashTreeRoot(merkelizer: SszChunksMerkelizer, x: BitSeq): Eth2Digest
getZeroHashWithoutSideEffect(0)) # this is the mixed length
totalBytes -= 1
lastCorrectedByte = Bytes(x)[^2]
lastCorrectedByte = ByteList(x)[^2]
else:
let markerPos = log2trunc(lastCorrectedByte)
lastCorrectedByte.clearBit(markerPos)
@ -489,14 +489,14 @@ func bitlistHashTreeRoot(merkelizer: SszChunksMerkelizer, x: BitSeq): Eth2Digest
chunkStartPos = i * bytesPerChunk
chunkEndPos = chunkStartPos + bytesPerChunk - 1
merkelizer.addChunk Bytes(x).toOpenArray(chunkEndPos, chunkEndPos)
merkelizer.addChunk ByteList(x).toOpenArray(chunkEndPos, chunkEndPos)
var
lastChunk: array[bytesPerChunk, byte]
chunkStartPos = fullChunks * bytesPerChunk
for i in 0 .. bytesInLastChunk - 2:
lastChunk[i] = Bytes(x)[chunkStartPos + i]
lastChunk[i] = ByteList(x)[chunkStartPos + i]
lastChunk[bytesInLastChunk - 1] = lastCorrectedByte

10
beacon_chain/state_transition.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -44,7 +44,7 @@ declareGauge beacon_previous_validators, """Number of status="pending|active|exi
# Canonical state transition functions
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
func process_slot*(state: var BeaconState) {.nbench.}=
# Cache state root
let previous_state_root = hash_tree_root(state)
@ -81,7 +81,7 @@ func get_epoch_validator_count(state: BeaconState): int64 =
validator.withdrawable_epoch > get_current_epoch(state):
result += 1
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc process_slots*(state: var BeaconState, slot: Slot) {.nbench.}=
doAssert state.slot <= slot
@ -171,7 +171,7 @@ proc state_transition*(
# Hashed-state transition functions
# ---------------------------------------------------------------
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
func process_slot(state: var HashedBeaconState) =
# Cache state root
let previous_slot_state_root = state.root
@ -186,7 +186,7 @@ func process_slot(state: var HashedBeaconState) =
state.data.block_roots[state.data.slot mod SLOTS_PER_HISTORICAL_ROOT] =
hash_tree_root(state.data.latest_block_header)
# https://github.com/ethereum/eth2.0-specs/blob/v0.9.2/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
# https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/beacon-chain.md#beacon-chain-state-transition-function
proc process_slots*(state: var HashedBeaconState, slot: Slot) =
# TODO: Eth specs strongly assert that state.data.slot <= slot
# This prevents receiving attestation in any order

7
beacon_chain/sync_protocol.nim
View File

@ -1,13 +1,10 @@
import
options, tables, sets, macros,
chronicles, chronos, metrics, stew/ranges/bitranges,
spec/[datatypes, crypto, digest, helpers], eth/rlp,
spec/[datatypes, crypto, digest, helpers],
beacon_node_types, eth2_network, block_pool, ssz
when networkBackend == rlpx:
import eth/rlp/options as rlpOptions
template libp2pProtocol*(name: string, version: int) {.pragma.}
elif networkBackend == libp2p:
when networkBackend == libp2p:
import libp2p/switch
declarePublicGauge libp2p_peers, "Number of libp2p peers"

2
beacon_chain/time.nim
View File

@ -14,7 +14,7 @@ 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/v0.10.0/specs/phase0/fork-choice.md#fork-choice
## https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/fork-choice.md#fork-choice
##
# TODO replace time in chronos with a proper unit type, then this code can
# follow:

6
beacon_chain/version.nim
View File

@ -2,15 +2,13 @@ type
NetworkBackendType* = enum
libp2p
libp2pDaemon
rlpx
const
NETWORK_TYPE {.strdefine.} = "libp2p_daemon"
networkBackend* = when NETWORK_TYPE == "rlpx": rlpx
elif NETWORK_TYPE == "libp2p": libp2p
networkBackend* = when NETWORK_TYPE == "libp2p": libp2p
elif NETWORK_TYPE == "libp2p_daemon": libp2pDaemon
else: {.fatal: "The 'NETWORK_TYPE' should be either 'libp2p', 'libp2p_daemon' or 'rlpx'" .}
else: {.fatal: "The 'NETWORK_TYPE' should be either 'libp2p', 'libp2p_daemon'" .}
const
copyrights* = "Copyright (c) 2019 Status Research & Development GmbH"

4
nbench/README.md
View File

@ -24,7 +24,7 @@ Features
```
nim c -d:const_preset=mainnet -d:nbench -d:release -o:build/nbench nbench/nbench.nim
export SCENARIOS=tests/official/fixtures/tests-v0.9.4/mainnet/phase0
export SCENARIOS=tests/official/fixtures/tests-v0.10.1/mainnet/phase0
# Full state transition
build/nbench cmdFullStateTransition -d="${SCENARIOS}"/sanity/blocks/pyspec_tests/voluntary_exit/ -q=2
@ -71,7 +71,7 @@ Furthermore benchmarks are run in parallel and might interfere which each other.
```
nim c -d:const_preset=mainnet -d:nbench -d:release -o:build/nbench nbench/nbench.nim
nim c -o:build/nbench_tests nbench/nbench_official_fixtures.nim
build/nbench_tests --nbench=build/nbench --tests=tests/official/fixtures/tests-v0.9.4/mainnet/
build/nbench_tests --nbench=build/nbench --tests=tests/official/fixtures/tests-v0.10.1/mainnet/
```
## TODO Reporting

2
tests/official/fixtures

@ -1 +1 @@
Subproject commit 73e91fe1f6abac428441105bd094c71dce182af4
Subproject commit 1359bab0ae93cec24183e7ae8dd12be3b8275198

4
tests/official/fixtures_utils.nim
View File

@ -21,7 +21,7 @@ export # Workaround:
serialization.readValue,
Json, ssz
# Process current EF test format (up to 0.8.2+)
# Process current EF test format
# ---------------------------------------------
# #######################
@ -36,7 +36,7 @@ proc readValue*(r: var JsonReader, a: var seq[byte]) {.inline.} =
const
FixturesDir* = currentSourcePath.rsplit(DirSep, 1)[0] / "fixtures"
SszTestsDir* = FixturesDir/"tests-v0.10.0"
SszTestsDir* = FixturesDir/"tests-v0.10.1"
proc parseTest*(path: string, Format: typedesc[Json or SSZ], T: typedesc): T =
try:

4
tests/official/test_fixture_const_sanity_check.nim
View File

@ -20,7 +20,7 @@ const
SpecDir = currentSourcePath.rsplit(DirSep, 1)[0] /
".."/".."/"beacon_chain"/"spec"
FixturesDir = currentSourcePath.rsplit(DirSep, 1)[0] / "fixtures"
Config = FixturesDir/"tests-v0.10.0"/const_preset/"config.yaml"
Config = FixturesDir/"tests-v0.10.1"/const_preset/"config.yaml"
type
CheckedType = SomeInteger or Slot or Epoch
@ -122,5 +122,5 @@ proc checkConfig() =
else:
check: ConstsToCheck[constant] == value.getBiggestInt().uint64()
suite "Official - 0.10.0 - constants & config " & preset():
suite "Official - 0.10.1 - constants & config " & preset():
checkConfig()

6
tests/official/test_fixture_ssz_consensus_objects.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -26,7 +26,7 @@ import
const
FixturesDir = currentSourcePath.rsplit(DirSep, 1)[0] / "fixtures"
SSZDir = FixturesDir/"tests-v0.10.0"/const_preset/"phase0"/"ssz_static"
SSZDir = FixturesDir/"tests-v0.10.1"/const_preset/"phase0"/"ssz_static"
type
SSZHashTreeRoot = object
@ -104,5 +104,5 @@ proc runSSZtests() =
else:
raise newException(ValueError, "Unsupported test: " & sszType)
suite "Official - 0.10.0 - SSZ consensus objects " & preset():
suite "Official - 0.10.1 - SSZ consensus objects " & preset():
runSSZtests()

6
tests/official/test_fixture_ssz_generic_types.nim
View File

@ -1,5 +1,5 @@
# beacon_chain
# Copyright (c) 2018 Status Research & Development GmbH
# Copyright (c) 2018-2020 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@ -23,7 +23,7 @@ import
const
FixturesDir = currentSourcePath.rsplit(DirSep, 1)[0] / "fixtures"
SSZDir = FixturesDir/"tests-v0.9.4"/"general"/"phase0"/"ssz_generic"
SSZDir = FixturesDir/"tests-v0.10.1"/"general"/"phase0"/"ssz_generic"
type
SSZHashTreeRoot = object
@ -278,5 +278,5 @@ proc runSSZtests() =
# test "Testing " & name & " inputs (" & $T & ") - invalid":
# const path = SSZDir/name/"invalid"
suite "Official - 0.9.4 - SSZ generic types":
suite "Official - SSZ generic types":
runSSZtests()

7
tests/simulation/run_node.sh
View File

@ -47,7 +47,12 @@ fi
rm -rf "$DATA_DIR/dump"
mkdir -p "$DATA_DIR/dump"
$BEACON_NODE_BIN \
NODE_BIN=$BEACON_NODE_BIN
if [[ $NODE_ID == $MASTER_NODE ]]; then
NODE_BIN=$BOOTSTRAP_NODE_BIN
fi
$NODE_BIN \
--bootstrap-file=$BOOTSTRAP_ADDRESS_FILE \
--data-dir=$DATA_DIR \
--node-name=$NODE_ID \

53
tests/simulation/start.sh
View File

@ -28,8 +28,22 @@ DEFS+="-d:SECONDS_PER_SLOT=${SECONDS_PER_SLOT:-6} " # Spec default: 12
LAST_VALIDATOR_NUM=$(( NUM_VALIDATORS - 1 ))
LAST_VALIDATOR="$VALIDATORS_DIR/v$(printf '%07d' $LAST_VALIDATOR_NUM).deposit.json"
echo "Building $BEACON_NODE_BIN ($DEFS)"
nim c -o:"$BEACON_NODE_BIN" $NIMFLAGS $DEFS beacon_chain/beacon_node
build_beacon_node () {
OUTPUT_BIN=$1; shift
PARAMS="$NIMFLAGS $DEFS $@"
echo "Building $OUTPUT_BIN ($PARAMS)"
nim c -o:$OUTPUT_BIN $PARAMS beacon_chain/beacon_node
}
build_beacon_node $BEACON_NODE_BIN -d:"NETWORK_TYPE=$NETWORK_TYPE"
if [[ "$BOOTSTRAP_NODE_NETWORK_TYPE" != "$NETWORK_TYPE" ]]; then
build_beacon_node $BOOTSTRAP_NODE_BIN \
--nimcache:nimcache/bootstrap_node \
-d:"NETWORK_TYPE=$BOOTSTRAP_NODE_NETWORK_TYPE"
else
cp $BEACON_NODE_BIN $BOOTSTRAP_NODE_BIN
fi
if [ ! -f "${LAST_VALIDATOR}" ]; then
echo Building $DEPLOY_DEPOSIT_CONTRACT_BIN
@ -65,10 +79,17 @@ if [ -f "${MASTER_NODE_ADDRESS_FILE}" ]; then
rm "${MASTER_NODE_ADDRESS_FILE}"
fi
# multitail support
MULTITAIL="${MULTITAIL:-multitail}" # to allow overriding the program name
USE_MULTITAIL="${USE_MULTITAIL:-no}" # make it an opt-in
type "$MULTITAIL" &>/dev/null || USE_MULTITAIL="no"
# to allow overriding the program names
MULTITAIL="${MULTITAIL:-multitail}"
TMUX="${TMUX:-tmux}"
TMUX_SESSION_NAME="${TMUX_SESSION_NAME:-nbc-network-sim}"
# Using tmux or multitail is an opt-in
USE_MULTITAIL="${USE_MULTITAIL:-no}"
type "$MULTITAIL" &>/dev/null || { echo $MULTITAIL is missing; USE_MULTITAIL="no"; }
USE_TMUX="${USE_TMUX:-no}"
type "$TMUX" &>/dev/null || { echo $TMUX is missing; USE_TMUX="no"; }
# Prometheus config (continued inside the loop)
mkdir -p "${METRICS_DIR}"
@ -103,6 +124,15 @@ fi
COMMANDS=()
if [[ "$USE_TMUX" != "no" ]]; then
$TMUX new-session -s $TMUX_SESSION_NAME -d
# maybe these should be moved to a user config file
$TMUX set-option -t $TMUX_SESSION_NAME history-limit 999999
$TMUX set-option -t $TMUX_SESSION_NAME remain-on-exit on
$TMUX set -t $TMUX_SESSION_NAME mouse on
fi
for i in $(seq $MASTER_NODE -1 $TOTAL_USER_NODES); do
if [[ "$i" != "$MASTER_NODE" && "$USE_MULTITAIL" == "no" ]]; then
# Wait for the master node to write out its address file
@ -113,7 +143,10 @@ for i in $(seq $MASTER_NODE -1 $TOTAL_USER_NODES); do
CMD="${SIM_ROOT}/run_node.sh $i"
if [[ "$USE_MULTITAIL" != "no" ]]; then
if [[ "$USE_TMUX" != "no" ]]; then
$TMUX split-window -t $TMUX_SESSION_NAME "$CMD"
$TMUX select-layout -t $TMUX_SESSION_NAME tiled
elif [[ "$USE_MULTITAIL" != "no" ]]; then
if [[ "$i" == "$MASTER_NODE" ]]; then
SLEEP="0"
else
@ -133,7 +166,11 @@ for i in $(seq $MASTER_NODE -1 $TOTAL_USER_NODES); do
EOF
done
if [[ "$USE_MULTITAIL" != "no" ]]; then
if [[ "$USE_TMUX" != "no" ]]; then
$TMUX kill-pane -t $TMUX_SESSION_NAME:0.0
$TMUX select-layout -t $TMUX_SESSION_NAME tiled
$TMUX attach-session -t $TMUX_SESSION_NAME -d
elif [[ "$USE_MULTITAIL" != "no" ]]; then
eval $MULTITAIL -s 3 -M 0 -x \"Nimbus beacon chain\" "${COMMANDS[@]}"
else
wait # Stop when all nodes have gone down

6
tests/simulation/vars.sh
View File

@ -25,12 +25,18 @@ TOTAL_USER_NODES=${USER_NODES:-0}
TOTAL_SYSTEM_NODES=$(( TOTAL_NODES - TOTAL_USER_NODES ))
MASTER_NODE=$(( TOTAL_NODES - 1 ))
# You can run a mixed simulation of daemon and native libp2p nodes
# by changing the variables below:
NETWORK_TYPE=libp2p
BOOTSTRAP_NODE_NETWORK_TYPE=libp2p
SIMULATION_DIR="${SIM_ROOT}/data"
METRICS_DIR="${SIM_ROOT}/prometheus"
VALIDATORS_DIR="${SIM_ROOT}/validators"
SNAPSHOT_FILE="${SIMULATION_DIR}/state_snapshot.ssz"
NETWORK_BOOTSTRAP_FILE="${SIMULATION_DIR}/bootstrap_nodes.txt"
BEACON_NODE_BIN="${SIMULATION_DIR}/beacon_node"
BOOTSTRAP_NODE_BIN="${SIMULATION_DIR}/bootstrap_node"
DEPLOY_DEPOSIT_CONTRACT_BIN="${SIMULATION_DIR}/deploy_deposit_contract"
MASTER_NODE_ADDRESS_FILE="${SIMULATION_DIR}/node-${MASTER_NODE}/beacon_node.address"

14
tests/test_block_pool.nim
View File

@ -221,3 +221,17 @@ when const_preset == "minimal": # Too much stack space used on mainnet
pool.heads.len() == 1
pool.head.justified.slot.compute_epoch_at_slot() == 5
pool.tail.children.len == 1
let
pool2 = BlockPool.init(db)
# check that the state reloaded from database resembles what we had before
check:
pool2.tail.root == pool.tail.root
pool2.head.blck.root == pool.head.blck.root
pool2.finalizedHead.blck.root == pool.finalizedHead.blck.root
pool2.finalizedHead.slot == pool.finalizedHead.slot
hash_tree_root(pool2.headState.data.data) ==
hash_tree_root(pool.headState.data.data)
hash_tree_root(pool2.justifiedState.data.data) ==
hash_tree_root(pool.justifiedState.data.data)

1
tests/test_peer_connection.nim
View File

@ -23,7 +23,6 @@ asyncTest "connect two nodes":
echo "Node 1 persistent address: ", n1PersistentAddress
when networkBackend != rlpx:
var n1ActualAddress = await n1.daemon.identity()
echo "Node 1 actual address:", n1ActualAddress

2
vendor/nim-chronos vendored

@ -1 +1 @@
Subproject commit f02e748f18e0bc43ae6c68f92aa2c78323265bce
Subproject commit 74700fdcab9387843975650ed326937c4d59df9e

2
vendor/nim-eth vendored

@ -1 +1 @@
Subproject commit b7ebf8ed54c14884a63f185de1f38a25bc8fbcbc
Subproject commit 1756f7b41f738df1e5775ede635cd9a1e0fcd990

2
vendor/nim-nat-traversal vendored

@ -1 +1 @@
Subproject commit bfc48eda54a35b7c19cbb2994470655ad7a3bdd1
Subproject commit 2403c33929c74f2d150f50dc8bc3a598af70661a

1
vendor/nim-result vendored

@ -1 +0,0 @@
Subproject commit 5b15d516265feac9470d78a88a0e1959ee22c21c

2
vendor/nim-stew vendored

@ -1 +1 @@
Subproject commit 1edeabb453724aa452a940ab03ddc82f5aeeff6e
Subproject commit f5be0ab63a64c314e74223891a7651e2eaaa8fec