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Merge pull request #343 from sigp/testnet-client

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Testnet client
This commit is contained in:
Paul Hauner 2019-04-05 16:23:59 +11:00 committed by GitHub
commit a46f676f89
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GPG Key ID: 4AEE18F83AFDEB23
129 changed files with 17645 additions and 2383 deletions
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2
Cargo.toml
View File

@ -3,7 +3,9 @@ members = [
"eth2/attester",
"eth2/block_proposer",
"eth2/fork_choice",
"eth2/operation_pool",
"eth2/state_processing",
"eth2/state_processing/yaml_utils",
"eth2/types",
"eth2/utils/bls",
"eth2/utils/boolean-bitfield",

2
beacon_node/Cargo.toml
View File

@ -9,7 +9,7 @@ types = { path = "../eth2/types" }
client = { path = "client" }
version = { path = "version" }
clap = "2.32.0"
slog = "^2.2.3"
slog = { version = "^2.2.3" , features = ["max_level_trace", "release_max_level_debug"] }
slog-term = "^2.4.0"
slog-async = "^2.3.0"
ctrlc = { version = "3.1.1", features = ["termination"] }

1
beacon_node/beacon_chain/Cargo.toml
View File

@ -15,6 +15,7 @@ hashing = { path = "../../eth2/utils/hashing" }
fork_choice = { path = "../../eth2/fork_choice" }
parking_lot = "0.7"
log = "0.4"
operation_pool = { path = "../../eth2/operation_pool" }
env_logger = "0.6"
serde = "1.0"
serde_derive = "1.0"

218
beacon_node/beacon_chain/src/attestation_aggregator.rs
View File

@ -1,218 +0,0 @@
use ssz::TreeHash;
use state_processing::per_block_processing::validate_attestation_without_signature;
use std::collections::{HashMap, HashSet};
use types::*;
const PHASE_0_CUSTODY_BIT: bool = false;
/// Provides the functionality to:
///
/// - Recieve a `FreeAttestation` and aggregate it into an `Attestation` (or create a new if it
/// doesn't exist).
/// - Store all aggregated or created `Attestation`s.
/// - Produce a list of attestations that would be valid for inclusion in some `BeaconState` (and
/// therefore valid for inclusion in a `BeaconBlock`.
///
/// Note: `Attestations` are stored in memory and never deleted. This is not scalable and must be
/// rectified in a future revision.
#[derive(Default)]
pub struct AttestationAggregator {
store: HashMap<Vec<u8>, Attestation>,
}
pub struct Outcome {
pub valid: bool,
pub message: Message,
}
pub enum Message {
/// The free attestation was added to an existing attestation.
Aggregated,
/// The free attestation has already been aggregated to an existing attestation.
AggregationNotRequired,
/// The free attestation was transformed into a new attestation.
NewAttestationCreated,
/// The supplied `validator_index` is not in the committee for the given `shard` and `slot`.
BadValidatorIndex,
/// The given `signature` did not match the `pubkey` in the given
/// `state.validator_registry`.
BadSignature,
/// The given `slot` does not match the validators committee assignment.
BadSlot,
/// The given `shard` does not match the validators committee assignment, or is not included in
/// a committee for the given slot.
BadShard,
/// Attestation is from the epoch prior to this, ignoring.
TooOld,
}
macro_rules! valid_outcome {
($error: expr) => {
return Ok(Outcome {
valid: true,
message: $error,
});
};
}
macro_rules! invalid_outcome {
($error: expr) => {
return Ok(Outcome {
valid: false,
message: $error,
});
};
}
impl AttestationAggregator {
/// Instantiates a new AttestationAggregator with an empty database.
pub fn new() -> Self {
Self {
store: HashMap::new(),
}
}
/// Accepts some `FreeAttestation`, validates it and either aggregates it upon some existing
/// `Attestation` or produces a new `Attestation`.
///
/// The "validation" provided is not complete, instead the following points are checked:
/// - The given `validator_index` is in the committee for the given `shard` for the given
/// `slot`.
/// - The signature is verified against that of the validator at `validator_index`.
pub fn process_free_attestation(
&mut self,
state: &BeaconState,
free_attestation: &FreeAttestation,
spec: &ChainSpec,
) -> Result<Outcome, BeaconStateError> {
let duties =
match state.get_attestation_duties(free_attestation.validator_index as usize, spec) {
Err(BeaconStateError::EpochCacheUninitialized(e)) => {
panic!("Attempted to access unbuilt cache {:?}.", e)
}
Err(BeaconStateError::EpochOutOfBounds) => invalid_outcome!(Message::TooOld),
Err(BeaconStateError::ShardOutOfBounds) => invalid_outcome!(Message::BadShard),
Err(e) => return Err(e),
Ok(None) => invalid_outcome!(Message::BadValidatorIndex),
Ok(Some(attestation_duties)) => attestation_duties,
};
if free_attestation.data.slot != duties.slot {
invalid_outcome!(Message::BadSlot);
}
if free_attestation.data.shard != duties.shard {
invalid_outcome!(Message::BadShard);
}
let signable_message = AttestationDataAndCustodyBit {
data: free_attestation.data.clone(),
custody_bit: PHASE_0_CUSTODY_BIT,
}
.hash_tree_root();
let validator_record = match state
.validator_registry
.get(free_attestation.validator_index as usize)
{
None => invalid_outcome!(Message::BadValidatorIndex),
Some(validator_record) => validator_record,
};
if !free_attestation.signature.verify(
&signable_message,
spec.get_domain(state.current_epoch(spec), Domain::Attestation, &state.fork),
&validator_record.pubkey,
) {
invalid_outcome!(Message::BadSignature);
}
if let Some(existing_attestation) = self.store.get(&signable_message) {
if let Some(updated_attestation) = aggregate_attestation(
existing_attestation,
&free_attestation.signature,
duties.committee_index as usize,
) {
self.store.insert(signable_message, updated_attestation);
valid_outcome!(Message::Aggregated);
} else {
valid_outcome!(Message::AggregationNotRequired);
}
} else {
let mut aggregate_signature = AggregateSignature::new();
aggregate_signature.add(&free_attestation.signature);
let mut aggregation_bitfield = Bitfield::new();
aggregation_bitfield.set(duties.committee_index as usize, true);
let new_attestation = Attestation {
data: free_attestation.data.clone(),
aggregation_bitfield,
custody_bitfield: Bitfield::new(),
aggregate_signature,
};
self.store.insert(signable_message, new_attestation);
valid_outcome!(Message::NewAttestationCreated);
}
}
/// Returns all known attestations which are:
///
/// - Valid for the given state
/// - Not already in `state.latest_attestations`.
pub fn get_attestations_for_state(
&self,
state: &BeaconState,
spec: &ChainSpec,
) -> Vec<Attestation> {
let mut known_attestation_data: HashSet<AttestationData> = HashSet::new();
state
.previous_epoch_attestations
.iter()
.chain(state.current_epoch_attestations.iter())
.for_each(|attestation| {
known_attestation_data.insert(attestation.data.clone());
});
self.store
.values()
.filter_map(|attestation| {
if validate_attestation_without_signature(&state, attestation, spec).is_ok()
&& !known_attestation_data.contains(&attestation.data)
{
Some(attestation.clone())
} else {
None
}
})
.collect()
}
}
/// Produces a new `Attestation` where:
///
/// - `signature` is added to `Attestation.aggregate_signature`
/// - Attestation.aggregation_bitfield[committee_index]` is set to true.
fn aggregate_attestation(
existing_attestation: &Attestation,
signature: &Signature,
committee_index: usize,
) -> Option<Attestation> {
let already_signed = existing_attestation
.aggregation_bitfield
.get(committee_index)
.unwrap_or(false);
if already_signed {
None
} else {
let mut aggregation_bitfield = existing_attestation.aggregation_bitfield.clone();
aggregation_bitfield.set(committee_index, true);
let mut aggregate_signature = existing_attestation.aggregate_signature.clone();
aggregate_signature.add(&signature);
Some(Attestation {
aggregation_bitfield,
aggregate_signature,
..existing_attestation.clone()
})
}
}

400
beacon_node/beacon_chain/src/beacon_chain.rs
View File

@ -1,4 +1,3 @@
use crate::attestation_aggregator::{AttestationAggregator, Outcome as AggregationOutcome};
use crate::checkpoint::CheckPoint;
use crate::errors::{BeaconChainError as Error, BlockProductionError};
use db::{
@ -7,9 +6,15 @@ use db::{
};
use fork_choice::{ForkChoice, ForkChoiceError};
use log::{debug, trace};
use operation_pool::DepositInsertStatus;
use operation_pool::OperationPool;
use parking_lot::{RwLock, RwLockReadGuard};
use slot_clock::SlotClock;
use ssz::ssz_encode;
use state_processing::per_block_processing::errors::{
AttestationValidationError, AttesterSlashingValidationError, DepositValidationError,
ExitValidationError, ProposerSlashingValidationError, TransferValidationError,
};
use state_processing::{
per_block_processing, per_block_processing_without_verifying_block_signature,
per_slot_processing, BlockProcessingError, SlotProcessingError,
@ -82,12 +87,7 @@ pub struct BeaconChain<T: ClientDB + Sized, U: SlotClock, F: ForkChoice> {
pub block_store: Arc<BeaconBlockStore<T>>,
pub state_store: Arc<BeaconStateStore<T>>,
pub slot_clock: U,
pub attestation_aggregator: RwLock<AttestationAggregator>,
pub deposits_for_inclusion: RwLock<Vec<Deposit>>,
pub exits_for_inclusion: RwLock<Vec<VoluntaryExit>>,
pub transfers_for_inclusion: RwLock<Vec<Transfer>>,
pub proposer_slashings_for_inclusion: RwLock<Vec<ProposerSlashing>>,
pub attester_slashings_for_inclusion: RwLock<Vec<AttesterSlashing>>,
pub op_pool: OperationPool,
canonical_head: RwLock<CheckPoint>,
finalized_head: RwLock<CheckPoint>,
pub state: RwLock<BeaconState>,
@ -129,23 +129,14 @@ where
genesis_state.clone(),
state_root,
));
let attestation_aggregator = RwLock::new(AttestationAggregator::new());
genesis_state.build_epoch_cache(RelativeEpoch::Previous, &spec)?;
genesis_state.build_epoch_cache(RelativeEpoch::Current, &spec)?;
genesis_state.build_epoch_cache(RelativeEpoch::NextWithoutRegistryChange, &spec)?;
genesis_state.build_epoch_cache(RelativeEpoch::NextWithRegistryChange, &spec)?;
genesis_state.build_all_caches(&spec)?;
Ok(Self {
block_store,
state_store,
slot_clock,
attestation_aggregator,
deposits_for_inclusion: RwLock::new(vec![]),
exits_for_inclusion: RwLock::new(vec![]),
transfers_for_inclusion: RwLock::new(vec![]),
proposer_slashings_for_inclusion: RwLock::new(vec![]),
attester_slashings_for_inclusion: RwLock::new(vec![]),
op_pool: OperationPool::new(),
state: RwLock::new(genesis_state),
finalized_head,
canonical_head,
@ -299,7 +290,7 @@ where
/// fork-choice rule).
///
/// It is important to note that the `beacon_state` returned may not match the present slot. It
/// is the state as it was when the head block was recieved, which could be some slots prior to
/// is the state as it was when the head block was received, which could be some slots prior to
/// now.
pub fn head(&self) -> RwLockReadGuard<CheckPoint> {
self.canonical_head.read()
@ -324,6 +315,8 @@ where
per_slot_processing(&mut state, &latest_block_header, &self.spec)?;
}
state.build_all_caches(&self.spec)?;
*self.state.write() = state;
Ok(())
@ -348,11 +341,17 @@ where
per_slot_processing(&mut *state, &latest_block_header, &self.spec)?;
}
state.build_epoch_cache(RelativeEpoch::Previous, &self.spec)?;
state.build_epoch_cache(RelativeEpoch::Current, &self.spec)?;
state.build_epoch_cache(RelativeEpoch::NextWithoutRegistryChange, &self.spec)?;
state.build_epoch_cache(RelativeEpoch::NextWithRegistryChange, &self.spec)?;
state.update_pubkey_cache()?;
state.build_all_caches(&self.spec)?;
Ok(())
}
/// Build all of the caches on the current state.
///
/// Ideally this shouldn't be required, however we leave it here for testing.
pub fn ensure_state_caches_are_built(&self) -> Result<(), Error> {
self.state.write().build_all_caches(&self.spec)?;
Ok(())
}
@ -479,22 +478,37 @@ where
}
/// Produce an `AttestationData` that is valid for the present `slot` and given `shard`.
pub fn produce_attestation(&self, shard: u64) -> Result<AttestationData, Error> {
pub fn produce_attestation_data(&self, shard: u64) -> Result<AttestationData, Error> {
trace!("BeaconChain::produce_attestation: shard: {}", shard);
let source_epoch = self.state.read().current_justified_epoch;
let source_root = *self.state.read().get_block_root(
source_epoch.start_slot(self.spec.slots_per_epoch),
&self.spec,
)?;
let state = self.state.read();
let target_root = *self.state.read().get_block_root(
self.state
let current_epoch_start_slot = self
.state
.read()
.slot
.epoch(self.spec.slots_per_epoch)
.start_slot(self.spec.slots_per_epoch);
let target_root = if state.slot == current_epoch_start_slot {
// If we're on the first slot of the state's epoch.
if self.head().beacon_block.slot == state.slot {
// If the current head block is from the current slot, use its block root.
self.head().beacon_block_root
} else {
// If the current head block is not from this slot, use the slot from the previous
// epoch.
*self.state.read().get_block_root(
current_epoch_start_slot - self.spec.slots_per_epoch,
&self.spec,
)?
}
} else {
// If we're not on the first slot of the epoch.
*self
.state
.read()
.slot
.epoch(self.spec.slots_per_epoch)
.start_slot(self.spec.slots_per_epoch),
&self.spec,
)?;
.get_block_root(current_epoch_start_slot, &self.spec)?
};
Ok(AttestationData {
slot: self.state.read().slot,
@ -502,261 +516,61 @@ where
beacon_block_root: self.head().beacon_block_root,
target_root,
crosslink_data_root: Hash256::zero(),
previous_crosslink: Crosslink {
epoch: self.state.read().slot.epoch(self.spec.slots_per_epoch),
crosslink_data_root: Hash256::zero(),
},
source_epoch,
source_root,
previous_crosslink: state.latest_crosslinks[shard as usize].clone(),
source_epoch: state.current_justified_epoch,
source_root: state.current_justified_root,
})
}
/// Validate a `FreeAttestation` and either:
/// Accept a new attestation from the network.
///
/// - Create a new `Attestation`.
/// - Aggregate it to an existing `Attestation`.
pub fn process_free_attestation(
/// If valid, the attestation is added to the `op_pool` and aggregated with another attestation
/// if possible.
pub fn process_attestation(
&self,
free_attestation: FreeAttestation,
) -> Result<AggregationOutcome, Error> {
let aggregation_outcome = self
.attestation_aggregator
.write()
.process_free_attestation(&self.state.read(), &free_attestation, &self.spec)?;
// return if the attestation is invalid
if !aggregation_outcome.valid {
return Ok(aggregation_outcome);
}
// valid attestation, proceed with fork-choice logic
self.fork_choice.write().add_attestation(
free_attestation.validator_index,
&free_attestation.data.beacon_block_root,
&self.spec,
)?;
Ok(aggregation_outcome)
attestation: Attestation,
) -> Result<(), AttestationValidationError> {
self.op_pool
.insert_attestation(attestation, &*self.state.read(), &self.spec)
}
/// Accept some deposit and queue it for inclusion in an appropriate block.
pub fn receive_deposit_for_inclusion(&self, deposit: Deposit) {
// TODO: deposits are not checked for validity; check them.
//
// https://github.com/sigp/lighthouse/issues/276
self.deposits_for_inclusion.write().push(deposit);
}
/// Return a vec of deposits suitable for inclusion in some block.
pub fn get_deposits_for_block(&self) -> Vec<Deposit> {
// TODO: deposits are indiscriminately included; check them for validity.
//
// https://github.com/sigp/lighthouse/issues/275
self.deposits_for_inclusion.read().clone()
}
/// Takes a list of `Deposits` that were included in recent blocks and removes them from the
/// inclusion queue.
///
/// This ensures that `Deposits` are not included twice in successive blocks.
pub fn set_deposits_as_included(&self, included_deposits: &[Deposit]) {
// TODO: method does not take forks into account; consider this.
//
// https://github.com/sigp/lighthouse/issues/275
let mut indices_to_delete = vec![];
for included in included_deposits {
for (i, for_inclusion) in self.deposits_for_inclusion.read().iter().enumerate() {
if included == for_inclusion {
indices_to_delete.push(i);
}
}
}
let deposits_for_inclusion = &mut self.deposits_for_inclusion.write();
for i in indices_to_delete {
deposits_for_inclusion.remove(i);
}
pub fn process_deposit(
&self,
deposit: Deposit,
) -> Result<DepositInsertStatus, DepositValidationError> {
self.op_pool
.insert_deposit(deposit, &*self.state.read(), &self.spec)
}
/// Accept some exit and queue it for inclusion in an appropriate block.
pub fn receive_exit_for_inclusion(&self, exit: VoluntaryExit) {
// TODO: exits are not checked for validity; check them.
//
// https://github.com/sigp/lighthouse/issues/276
self.exits_for_inclusion.write().push(exit);
}
/// Return a vec of exits suitable for inclusion in some block.
pub fn get_exits_for_block(&self) -> Vec<VoluntaryExit> {
// TODO: exits are indiscriminately included; check them for validity.
//
// https://github.com/sigp/lighthouse/issues/275
self.exits_for_inclusion.read().clone()
}
/// Takes a list of `Deposits` that were included in recent blocks and removes them from the
/// inclusion queue.
///
/// This ensures that `Deposits` are not included twice in successive blocks.
pub fn set_exits_as_included(&self, included_exits: &[VoluntaryExit]) {
// TODO: method does not take forks into account; consider this.
let mut indices_to_delete = vec![];
for included in included_exits {
for (i, for_inclusion) in self.exits_for_inclusion.read().iter().enumerate() {
if included == for_inclusion {
indices_to_delete.push(i);
}
}
}
let exits_for_inclusion = &mut self.exits_for_inclusion.write();
for i in indices_to_delete {
exits_for_inclusion.remove(i);
}
pub fn process_voluntary_exit(&self, exit: VoluntaryExit) -> Result<(), ExitValidationError> {
self.op_pool
.insert_voluntary_exit(exit, &*self.state.read(), &self.spec)
}
/// Accept some transfer and queue it for inclusion in an appropriate block.
pub fn receive_transfer_for_inclusion(&self, transfer: Transfer) {
// TODO: transfers are not checked for validity; check them.
//
// https://github.com/sigp/lighthouse/issues/276
self.transfers_for_inclusion.write().push(transfer);
}
/// Return a vec of transfers suitable for inclusion in some block.
pub fn get_transfers_for_block(&self) -> Vec<Transfer> {
// TODO: transfers are indiscriminately included; check them for validity.
//
// https://github.com/sigp/lighthouse/issues/275
self.transfers_for_inclusion.read().clone()
}
/// Takes a list of `Deposits` that were included in recent blocks and removes them from the
/// inclusion queue.
///
/// This ensures that `Deposits` are not included twice in successive blocks.
pub fn set_transfers_as_included(&self, included_transfers: &[Transfer]) {
// TODO: method does not take forks into account; consider this.
let mut indices_to_delete = vec![];
for included in included_transfers {
for (i, for_inclusion) in self.transfers_for_inclusion.read().iter().enumerate() {
if included == for_inclusion {
indices_to_delete.push(i);
}
}
}
let transfers_for_inclusion = &mut self.transfers_for_inclusion.write();
for i in indices_to_delete {
transfers_for_inclusion.remove(i);
}
pub fn process_transfer(&self, transfer: Transfer) -> Result<(), TransferValidationError> {
self.op_pool
.insert_transfer(transfer, &*self.state.read(), &self.spec)
}
/// Accept some proposer slashing and queue it for inclusion in an appropriate block.
pub fn receive_proposer_slashing_for_inclusion(&self, proposer_slashing: ProposerSlashing) {
// TODO: proposer_slashings are not checked for validity; check them.
//
// https://github.com/sigp/lighthouse/issues/276
self.proposer_slashings_for_inclusion
.write()
.push(proposer_slashing);
}
/// Return a vec of proposer slashings suitable for inclusion in some block.
pub fn get_proposer_slashings_for_block(&self) -> Vec<ProposerSlashing> {
// TODO: proposer_slashings are indiscriminately included; check them for validity.
//
// https://github.com/sigp/lighthouse/issues/275
self.proposer_slashings_for_inclusion.read().clone()
}
/// Takes a list of `ProposerSlashings` that were included in recent blocks and removes them
/// from the inclusion queue.
///
/// This ensures that `ProposerSlashings` are not included twice in successive blocks.
pub fn set_proposer_slashings_as_included(
pub fn process_proposer_slashing(
&self,
included_proposer_slashings: &[ProposerSlashing],
) {
// TODO: method does not take forks into account; consider this.
//
// https://github.com/sigp/lighthouse/issues/275
let mut indices_to_delete = vec![];
for included in included_proposer_slashings {
for (i, for_inclusion) in self
.proposer_slashings_for_inclusion
.read()
.iter()
.enumerate()
{
if included == for_inclusion {
indices_to_delete.push(i);
}
}
}
let proposer_slashings_for_inclusion = &mut self.proposer_slashings_for_inclusion.write();
for i in indices_to_delete {
proposer_slashings_for_inclusion.remove(i);
}
proposer_slashing: ProposerSlashing,
) -> Result<(), ProposerSlashingValidationError> {
self.op_pool
.insert_proposer_slashing(proposer_slashing, &*self.state.read(), &self.spec)
}
/// Accept some attester slashing and queue it for inclusion in an appropriate block.
pub fn receive_attester_slashing_for_inclusion(&self, attester_slashing: AttesterSlashing) {
// TODO: attester_slashings are not checked for validity; check them.
//
// https://github.com/sigp/lighthouse/issues/276
self.attester_slashings_for_inclusion
.write()
.push(attester_slashing);
}
/// Return a vec of attester slashings suitable for inclusion in some block.
pub fn get_attester_slashings_for_block(&self) -> Vec<AttesterSlashing> {
// TODO: attester_slashings are indiscriminately included; check them for validity.
//
// https://github.com/sigp/lighthouse/issues/275
self.attester_slashings_for_inclusion.read().clone()
}
/// Takes a list of `AttesterSlashings` that were included in recent blocks and removes them
/// from the inclusion queue.
///
/// This ensures that `AttesterSlashings` are not included twice in successive blocks.
pub fn set_attester_slashings_as_included(
pub fn process_attester_slashing(
&self,
included_attester_slashings: &[AttesterSlashing],
) {
// TODO: method does not take forks into account; consider this.
//
// https://github.com/sigp/lighthouse/issues/275
let mut indices_to_delete = vec![];
for included in included_attester_slashings {
for (i, for_inclusion) in self
.attester_slashings_for_inclusion
.read()
.iter()
.enumerate()
{
if included == for_inclusion {
indices_to_delete.push(i);
}
}
}
let attester_slashings_for_inclusion = &mut self.attester_slashings_for_inclusion.write();
for i in indices_to_delete {
attester_slashings_for_inclusion.remove(i);
}
}
/// Returns `true` if the given block root has not been processed.
pub fn is_new_block_root(&self, beacon_block_root: &Hash256) -> Result<bool, Error> {
Ok(!self.block_store.exists(beacon_block_root)?)
attester_slashing: AttesterSlashing,
) -> Result<(), AttesterSlashingValidationError> {
self.op_pool
.insert_attester_slashing(attester_slashing, &*self.state.read(), &self.spec)
}
/// Accept some block and attempt to add it to block DAG.
@ -832,13 +646,6 @@ where
self.block_store.put(&block_root, &ssz_encode(&block)[..])?;
self.state_store.put(&state_root, &ssz_encode(&state)[..])?;
// Update the inclusion queues so they aren't re-submitted.
self.set_deposits_as_included(&block.body.deposits[..]);
self.set_transfers_as_included(&block.body.transfers[..]);
self.set_exits_as_included(&block.body.voluntary_exits[..]);
self.set_proposer_slashings_as_included(&block.body.proposer_slashings[..]);
self.set_attester_slashings_as_included(&block.body.attester_slashings[..]);
// run the fork_choice add_block logic
self.fork_choice
.write()
@ -874,20 +681,13 @@ where
trace!("Finding attestations for new block...");
let attestations = self
.attestation_aggregator
.read()
.get_attestations_for_state(&state, &self.spec);
trace!(
"Inserting {} attestation(s) into new block.",
attestations.len()
);
let previous_block_root = *state
.get_block_root(state.slot - 1, &self.spec)
.map_err(|_| BlockProductionError::UnableToGetBlockRootFromState)?;
let (proposer_slashings, attester_slashings) =
self.op_pool.get_slashings(&*self.state.read(), &self.spec);
let mut block = BeaconBlock {
slot: state.slot,
previous_block_root,
@ -900,16 +700,23 @@ where
deposit_root: Hash256::zero(),
block_hash: Hash256::zero(),
},
proposer_slashings: self.get_proposer_slashings_for_block(),
attester_slashings: self.get_attester_slashings_for_block(),
attestations,
deposits: self.get_deposits_for_block(),
voluntary_exits: self.get_exits_for_block(),
transfers: self.get_transfers_for_block(),
proposer_slashings,
attester_slashings,
attestations: self
.op_pool
.get_attestations(&*self.state.read(), &self.spec),
deposits: self.op_pool.get_deposits(&*self.state.read(), &self.spec),
voluntary_exits: self
.op_pool
.get_voluntary_exits(&*self.state.read(), &self.spec),
transfers: self.op_pool.get_transfers(&*self.state.read(), &self.spec),
},
};
trace!("BeaconChain::produce_block: updating state for new block.",);
debug!(
"Produced block with {} attestations, updating state.",
block.body.attestations.len()
);
per_block_processing_without_verifying_block_signature(&mut state, &block, &self.spec)?;
@ -951,6 +758,11 @@ where
Ok(())
}
/// Returns `true` if the given block root has not been processed.
pub fn is_new_block_root(&self, beacon_block_root: &Hash256) -> Result<bool, Error> {
Ok(!self.block_store.exists(beacon_block_root)?)
}
/// Dumps the entire canonical chain, from the head to genesis to a vector for analysis.
///
/// This could be a very expensive operation and should only be done in testing/analysis

8
beacon_node/beacon_chain/src/lib.rs
View File

@ -1,4 +1,3 @@
mod attestation_aggregator;
mod beacon_chain;
mod checkpoint;
mod errors;
@ -7,10 +6,13 @@ pub mod test_utils;
pub use self::beacon_chain::{BeaconChain, BlockProcessingOutcome, InvalidBlock, ValidBlock};
pub use self::checkpoint::CheckPoint;
pub use self::errors::BeaconChainError;
pub use attestation_aggregator::Outcome as AggregationOutcome;
pub use self::errors::{BeaconChainError, BlockProductionError};
pub use db;
pub use fork_choice;
pub use parking_lot;
pub use slot_clock;
pub use state_processing::per_block_processing::errors::{
AttestationValidationError, AttesterSlashingValidationError, DepositValidationError,
ExitValidationError, ProposerSlashingValidationError, TransferValidationError,
};
pub use types;

3
beacon_node/beacon_chain/test_harness/specs/validator_registry.yaml
View File

@ -47,6 +47,9 @@ test_cases:
states:
- slot: 63
num_validators: 1003
num_previous_epoch_attestations: 0
# slots_per_epoch - attestation_inclusion_delay - skip_slots
num_current_epoch_attestations: 57
slashed_validators: [11, 12, 13, 14, 42]
exited_validators: []
exit_initiated_validators: [50]

123
beacon_node/beacon_chain/test_harness/src/beacon_chain_harness.rs
View File

@ -10,8 +10,6 @@ use log::debug;
use rayon::prelude::*;
use slot_clock::TestingSlotClock;
use ssz::TreeHash;
use std::collections::HashSet;
use std::iter::FromIterator;
use std::sync::Arc;
use types::{test_utils::TestingBeaconStateBuilder, *};
@ -137,51 +135,64 @@ impl BeaconChainHarness {
slot
}
/// Gather the `FreeAttestation`s from the valiators.
///
/// Note: validators will only produce attestations _once per slot_. So, if you call this twice
/// you'll only get attestations on the first run.
pub fn gather_free_attesations(&mut self) -> Vec<FreeAttestation> {
pub fn gather_attesations(&mut self) -> Vec<Attestation> {
let present_slot = self.beacon_chain.present_slot();
let state = self.beacon_chain.state.read();
let attesting_validators = self
.beacon_chain
.state
.read()
let mut attestations = vec![];
for committee in state
.get_crosslink_committees_at_slot(present_slot, &self.spec)
.unwrap()
.iter()
.fold(vec![], |mut acc, c| {
acc.append(&mut c.committee.clone());
acc
});
let attesting_validators: HashSet<usize> =
HashSet::from_iter(attesting_validators.iter().cloned());
{
for &validator in &committee.committee {
let duties = state
.get_attestation_duties(validator, &self.spec)
.unwrap()
.expect("Attesting validators by definition have duties");
let free_attestations: Vec<FreeAttestation> = self
.validators
.par_iter_mut()
.enumerate()
.filter_map(|(i, validator)| {
if attesting_validators.contains(&i) {
// Advance the validator slot.
validator.set_slot(present_slot);
// Obtain `AttestationData` from the beacon chain.
let data = self
.beacon_chain
.produce_attestation_data(duties.shard)
.unwrap();
// Prompt the validator to produce an attestation (if required).
validator.produce_free_attestation().ok()
} else {
None
}
})
.collect();
// Produce an aggregate signature with a single signature.
let aggregate_signature = {
let message = AttestationDataAndCustodyBit {
data: data.clone(),
custody_bit: false,
}
.hash_tree_root();
let domain = self.spec.get_domain(
state.slot.epoch(self.spec.slots_per_epoch),
Domain::Attestation,
&state.fork,
);
let sig =
Signature::new(&message, domain, &self.validators[validator].keypair.sk);
debug!(
"Gathered {} FreeAttestations for slot {}.",
free_attestations.len(),
present_slot
);
let mut agg_sig = AggregateSignature::new();
agg_sig.add(&sig);
free_attestations
agg_sig
};
let mut aggregation_bitfield = Bitfield::with_capacity(duties.committee_len);
let custody_bitfield = Bitfield::with_capacity(duties.committee_len);
aggregation_bitfield.set(duties.committee_index, true);
attestations.push(Attestation {
aggregation_bitfield,
data,
custody_bitfield,
aggregate_signature,
})
}
}
attestations
}
/// Get the block from the proposer for the slot.
@ -200,6 +211,7 @@ impl BeaconChainHarness {
// Ensure the validators slot clock is accurate.
self.validators[proposer].set_slot(present_slot);
self.validators[proposer].produce_block().unwrap()
}
@ -219,20 +231,23 @@ impl BeaconChainHarness {
};
debug!("...block processed by BeaconChain.");
debug!("Producing free attestations...");
debug!("Producing attestations...");
// Produce new attestations.
let free_attestations = self.gather_free_attesations();
let attestations = self.gather_attesations();
debug!("Processing free attestations...");
debug!("Processing {} attestations...", attestations.len());
free_attestations.par_iter().for_each(|free_attestation| {
self.beacon_chain
.process_free_attestation(free_attestation.clone())
.unwrap();
});
attestations
.par_iter()
.enumerate()
.for_each(|(i, attestation)| {
self.beacon_chain
.process_attestation(attestation.clone())
.unwrap_or_else(|_| panic!("Attestation {} invalid: {:?}", i, attestation));
});
debug!("Free attestations processed.");
debug!("Attestations processed.");
block
}
@ -285,7 +300,7 @@ impl BeaconChainHarness {
/// If a new `ValidatorHarness` was created, the validator should become fully operational as
/// if the validator were created during `BeaconChainHarness` instantiation.
pub fn add_deposit(&mut self, deposit: Deposit, keypair: Option<Keypair>) {
self.beacon_chain.receive_deposit_for_inclusion(deposit);
self.beacon_chain.process_deposit(deposit).unwrap();
// If a keypair is present, add a new `ValidatorHarness` to the rig.
if let Some(keypair) = keypair {
@ -301,24 +316,26 @@ impl BeaconChainHarness {
/// will stop receiving duties from the beacon chain and just do nothing when prompted to
/// produce/attest.
pub fn add_exit(&mut self, exit: VoluntaryExit) {
self.beacon_chain.receive_exit_for_inclusion(exit);
self.beacon_chain.process_voluntary_exit(exit).unwrap();
}
/// Submit an transfer to the `BeaconChain` for inclusion in some block.
pub fn add_transfer(&mut self, transfer: Transfer) {
self.beacon_chain.receive_transfer_for_inclusion(transfer);
self.beacon_chain.process_transfer(transfer).unwrap();
}
/// Submit a proposer slashing to the `BeaconChain` for inclusion in some block.
pub fn add_proposer_slashing(&mut self, proposer_slashing: ProposerSlashing) {
self.beacon_chain
.receive_proposer_slashing_for_inclusion(proposer_slashing);
.process_proposer_slashing(proposer_slashing)
.unwrap();
}
/// Submit an attester slashing to the `BeaconChain` for inclusion in some block.
pub fn add_attester_slashing(&mut self, attester_slashing: AttesterSlashing) {
self.beacon_chain
.receive_attester_slashing_for_inclusion(attester_slashing);
.process_attester_slashing(attester_slashing)
.unwrap();
}
/// Executes the fork choice rule on the `BeaconChain`, selecting a new canonical head.

28
beacon_node/beacon_chain/test_harness/src/test_case/state_check.rs
View File

@ -16,6 +16,10 @@ pub struct StateCheck {
pub slot: Slot,
/// Checked against `beacon_state.validator_registry.len()`.
pub num_validators: Option<usize>,
/// The number of pending attestations from the previous epoch that should be in the state.
pub num_previous_epoch_attestations: Option<usize>,
/// The number of pending attestations from the current epoch that should be in the state.
pub num_current_epoch_attestations: Option<usize>,
/// A list of validator indices which have been penalized. Must be in ascending order.
pub slashed_validators: Option<Vec<u64>>,
/// A list of validator indices which have been fully exited. Must be in ascending order.
@ -34,6 +38,8 @@ impl StateCheck {
Self {
slot: Slot::from(as_u64(&yaml, "slot").expect("State must specify slot")),
num_validators: as_usize(&yaml, "num_validators"),
num_previous_epoch_attestations: as_usize(&yaml, "num_previous_epoch_attestations"),
num_current_epoch_attestations: as_usize(&yaml, "num_current_epoch_attestations"),
slashed_validators: as_vec_u64(&yaml, "slashed_validators"),
exited_validators: as_vec_u64(&yaml, "exited_validators"),
exit_initiated_validators: as_vec_u64(&yaml, "exit_initiated_validators"),
@ -46,6 +52,7 @@ impl StateCheck {
/// # Panics
///
/// Panics with an error message if any test fails.
#[allow(clippy::cyclomatic_complexity)]
pub fn assert_valid(&self, state: &BeaconState, spec: &ChainSpec) {
let state_epoch = state.slot.epoch(spec.slots_per_epoch);
@ -58,6 +65,7 @@ impl StateCheck {
"State slot is invalid."
);
// Check the validator count
if let Some(num_validators) = self.num_validators {
assert_eq!(
state.validator_registry.len(),
@ -67,6 +75,26 @@ impl StateCheck {
info!("OK: num_validators = {}.", num_validators);
}
// Check the previous epoch attestations
if let Some(n) = self.num_previous_epoch_attestations {
assert_eq!(
state.previous_epoch_attestations.len(),
n,
"previous epoch attestations count != expected."
);
info!("OK: num_previous_epoch_attestations = {}.", n);
}
// Check the current epoch attestations
if let Some(n) = self.num_current_epoch_attestations {
assert_eq!(
state.current_epoch_attestations.len(),
n,
"current epoch attestations count != expected."
);
info!("OK: num_current_epoch_attestations = {}.", n);
}
// Check for slashed validators.
if let Some(ref slashed_validators) = self.slashed_validators {
let actually_slashed_validators: Vec<u64> = state

12
beacon_node/beacon_chain/test_harness/src/validator_harness/direct_beacon_node.rs
View File

@ -14,9 +14,6 @@ use slot_clock::SlotClock;
use std::sync::Arc;
use types::{AttestationData, BeaconBlock, FreeAttestation, Signature, Slot};
// mod attester;
// mod producer;
/// Connect directly to a borrowed `BeaconChain` instance so an attester/producer can request/submit
/// blocks/attestations.
///
@ -42,20 +39,15 @@ impl<T: ClientDB, U: SlotClock, F: ForkChoice> DirectBeaconNode<T, U, F> {
pub fn last_published_block(&self) -> Option<BeaconBlock> {
Some(self.published_blocks.read().last()?.clone())
}
/// Get the last published attestation (if any).
pub fn last_published_free_attestation(&self) -> Option<FreeAttestation> {
Some(self.published_attestations.read().last()?.clone())
}
}
impl<T: ClientDB, U: SlotClock, F: ForkChoice> AttesterBeaconNode for DirectBeaconNode<T, U, F> {
fn produce_attestation(
fn produce_attestation_data(
&self,
_slot: Slot,
shard: u64,
) -> Result<Option<AttestationData>, NodeError> {
match self.beacon_chain.produce_attestation(shard) {
match self.beacon_chain.produce_attestation_data(shard) {
Ok(attestation_data) => Ok(Some(attestation_data)),
Err(e) => Err(NodeError::RemoteFailure(format!("{:?}", e))),
}

26
beacon_node/beacon_chain/test_harness/src/validator_harness/mod.rs
View File

@ -2,8 +2,7 @@ mod direct_beacon_node;
mod direct_duties;
mod local_signer;
use attester::PollOutcome as AttestationPollOutcome;
use attester::{Attester, Error as AttestationPollError};
use attester::Attester;
use beacon_chain::BeaconChain;
use block_proposer::PollOutcome as BlockPollOutcome;
use block_proposer::{BlockProducer, Error as BlockPollError};
@ -14,7 +13,7 @@ use fork_choice::BitwiseLMDGhost;
use local_signer::LocalSigner;
use slot_clock::TestingSlotClock;
use std::sync::Arc;
use types::{BeaconBlock, ChainSpec, FreeAttestation, Keypair, Slot};
use types::{BeaconBlock, ChainSpec, Keypair, Slot};
#[derive(Debug, PartialEq)]
pub enum BlockProduceError {
@ -22,12 +21,6 @@ pub enum BlockProduceError {
PollError(BlockPollError),
}
#[derive(Debug, PartialEq)]
pub enum AttestationProduceError {
DidNotProduce(AttestationPollOutcome),
PollError(AttestationPollError),
}
type TestingBlockProducer = BlockProducer<
TestingSlotClock,
DirectBeaconNode<MemoryDB, TestingSlotClock, BitwiseLMDGhost<MemoryDB>>,
@ -117,21 +110,6 @@ impl ValidatorHarness {
.expect("Unable to obtain produced block."))
}
/// Run the `poll` function on the `Attester` and produce a `FreeAttestation`.
///
/// An error is returned if the attester refuses to attest.
pub fn produce_free_attestation(&mut self) -> Result<FreeAttestation, AttestationProduceError> {
match self.attester.poll() {
Ok(AttestationPollOutcome::AttestationProduced(_)) => {}
Ok(outcome) => return Err(AttestationProduceError::DidNotProduce(outcome)),
Err(error) => return Err(AttestationProduceError::PollError(error)),
};
Ok(self
.beacon_node
.last_published_free_attestation()
.expect("Unable to obtain produced attestation."))
}
/// Set the validators slot clock to the specified slot.
///
/// The validators slot clock will always read this value until it is set to something else.

14
beacon_node/client/src/client_config.rs
View File

@ -10,6 +10,7 @@ use std::path::PathBuf;
use types::multiaddr::Protocol;
use types::multiaddr::ToMultiaddr;
use types::ChainSpec;
use types::Multiaddr;
/// Stores the client configuration for this Lighthouse instance.
#[derive(Debug, Clone)]
@ -76,7 +77,7 @@ impl ClientConfig {
}
// Custom listening address ipv4/ipv6
// TODO: Handle list of addresses
if let Some(listen_address_str) = args.value_of("listen_address") {
if let Some(listen_address_str) = args.value_of("listen-address") {
if let Ok(listen_address) = listen_address_str.parse::<IpAddr>() {
let multiaddr = SocketAddr::new(listen_address, config.net_conf.listen_port)
.to_multiaddr()
@ -88,6 +89,17 @@ impl ClientConfig {
}
}
// Custom bootnodes
// TODO: Handle list of addresses
if let Some(boot_addresses_str) = args.value_of("boot-nodes") {
if let Ok(boot_address) = boot_addresses_str.parse::<Multiaddr>() {
config.net_conf.boot_nodes.append(&mut vec![boot_address]);
} else {
error!(log, "Invalid Bootnode multiaddress"; "Multiaddr" => boot_addresses_str);
return Err("Invalid IP Address");
}
}
/* Filesystem related arguments */
// Custom datadir

21
beacon_node/client/src/lib.rs
View File

@ -15,21 +15,19 @@ use futures::{future::Future, Stream};
use network::Service as NetworkService;
use slog::{error, info, o};
use slot_clock::SlotClock;
use ssz::TreeHash;
use std::marker::PhantomData;
use std::sync::Arc;
use std::time::{Duration, Instant};
use tokio::runtime::TaskExecutor;
use tokio::timer::Interval;
use types::Hash256;
/// Main beacon node client service. This provides the connection and initialisation of the clients
/// sub-services in multiple threads.
pub struct Client<T: ClientTypes> {
/// Configuration for the lighthouse client.
config: ClientConfig,
_config: ClientConfig,
/// The beacon chain for the running client.
beacon_chain: Arc<BeaconChain<T::DB, T::SlotClock, T::ForkChoice>>,
_beacon_chain: Arc<BeaconChain<T::DB, T::SlotClock, T::ForkChoice>>,
/// Reference to the network service.
pub network: Arc<NetworkService>,
/// Signal to terminate the RPC server.
@ -92,17 +90,18 @@ impl<TClientType: ClientTypes> Client<TClientType> {
network_logger,
)?;
let mut rpc_exit_signal = None;
// spawn the RPC server
if config.rpc_conf.enabled {
rpc_exit_signal = Some(rpc::start_server(
let rpc_exit_signal = if config.rpc_conf.enabled {
Some(rpc::start_server(
&config.rpc_conf,
executor,
network_send,
beacon_chain.clone(),
&log,
));
}
))
} else {
None
};
let (slot_timer_exit_signal, exit) = exit_future::signal();
if let Ok(Some(duration_to_next_slot)) = beacon_chain.slot_clock.duration_to_next_slot() {
@ -131,8 +130,8 @@ impl<TClientType: ClientTypes> Client<TClientType> {
}
Ok(Client {
config,
beacon_chain,
_config: config,
_beacon_chain: beacon_chain,
rpc_exit_signal,
slot_timer_exit_signal: Some(slot_timer_exit_signal),
log,

6
beacon_node/client/src/notifier.rs
View File

@ -14,7 +14,7 @@ pub fn run<T: ClientTypes>(client: &Client<T>, executor: TaskExecutor, exit: Exi
// notification heartbeat
let interval = Interval::new(Instant::now(), Duration::from_secs(5));
let log = client.log.new(o!("Service" => "Notifier"));
let _log = client.log.new(o!("Service" => "Notifier"));
// TODO: Debugging only
let counter = Arc::new(Mutex::new(0));
@ -22,13 +22,13 @@ pub fn run<T: ClientTypes>(client: &Client<T>, executor: TaskExecutor, exit: Exi
// build heartbeat logic here
let heartbeat = move |_| {
debug!(log, "Temp heartbeat output");
//debug!(log, "Temp heartbeat output");
//TODO: Remove this logic. Testing only
let mut count = counter.lock().unwrap();
*count += 1;
if *count % 5 == 0 {
debug!(log, "Sending Message");
// debug!(log, "Sending Message");
network.send_message();
}

4
beacon_node/db/src/stores/beacon_block_store.rs
View File

@ -1,6 +1,6 @@
use super::BLOCKS_DB_COLUMN as DB_COLUMN;
use super::{ClientDB, DBError};
use ssz::Decodable;
use ssz::decode;
use std::sync::Arc;
use types::{BeaconBlock, Hash256, Slot};
@ -30,7 +30,7 @@ impl<T: ClientDB> BeaconBlockStore<T> {
match self.get(&hash)? {
None => Ok(None),
Some(ssz) => {
let (block, _) = BeaconBlock::ssz_decode(&ssz, 0).map_err(|_| DBError {
let block = decode::<BeaconBlock>(&ssz).map_err(|_| DBError {
message: "Bad BeaconBlock SSZ.".to_string(),
})?;
Ok(Some(block))

4
beacon_node/db/src/stores/beacon_state_store.rs
View File

@ -1,6 +1,6 @@
use super::STATES_DB_COLUMN as DB_COLUMN;
use super::{ClientDB, DBError};
use ssz::Decodable;
use ssz::decode;
use std::sync::Arc;
use types::{BeaconState, Hash256};
@ -23,7 +23,7 @@ impl<T: ClientDB> BeaconStateStore<T> {
match self.get(&hash)? {
None => Ok(None),
Some(ssz) => {
let (state, _) = BeaconState::ssz_decode(&ssz, 0).map_err(|_| DBError {
let state = decode::<BeaconState>(&ssz).map_err(|_| DBError {
message: "Bad State SSZ.".to_string(),
})?;
Ok(Some(state))

6
beacon_node/db/src/stores/validator_store.rs
View File

@ -4,7 +4,7 @@ use self::bytes::{BufMut, BytesMut};
use super::VALIDATOR_DB_COLUMN as DB_COLUMN;
use super::{ClientDB, DBError};
use bls::PublicKey;
use ssz::{ssz_encode, Decodable};
use ssz::{decode, ssz_encode};
use std::sync::Arc;
#[derive(Debug, PartialEq)]
@ -69,8 +69,8 @@ impl<T: ClientDB> ValidatorStore<T> {
let val = self.db.get(DB_COLUMN, &key[..])?;
match val {
None => Ok(None),
Some(val) => match PublicKey::ssz_decode(&val, 0) {
Ok((key, _)) => Ok(Some(key)),
Some(val) => match decode::<PublicKey>(&val) {
Ok(key) => Ok(Some(key)),
Err(_) => Err(ValidatorStoreError::DecodeError),
},
}

36
beacon_node/eth2-libp2p/src/behaviour.rs
View File

@ -1,4 +1,3 @@
use crate::rpc::methods::BlockRootSlot;
use crate::rpc::{RPCEvent, RPCMessage, Rpc};
use crate::NetworkConfig;
use futures::prelude::*;
@ -13,10 +12,9 @@ use libp2p::{
tokio_io::{AsyncRead, AsyncWrite},
NetworkBehaviour, PeerId,
};
use slog::{debug, o, warn};
use slog::{debug, o, trace, warn};
use ssz::{ssz_encode, Decodable, DecodeError, Encodable, SszStream};
use ssz_derive::{Decode, Encode};
use types::Attestation;
use types::{Attestation, BeaconBlock};
use types::{Topic, TopicHash};
/// Builds the network behaviour for the libp2p Swarm.
@ -49,7 +47,7 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<GossipsubE
fn inject_event(&mut self, event: GossipsubEvent) {
match event {
GossipsubEvent::Message(gs_msg) => {
debug!(self.log, "Received GossipEvent"; "msg" => format!("{:?}", gs_msg));
trace!(self.log, "Received GossipEvent"; "msg" => format!("{:?}", gs_msg));
let pubsub_message = match PubsubMessage::ssz_decode(&gs_msg.data, 0) {
//TODO: Punish peer on error
@ -67,17 +65,11 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<GossipsubE
self.events.push(BehaviourEvent::GossipMessage {
source: gs_msg.source,
topics: gs_msg.topics,
message: pubsub_message,
message: Box::new(pubsub_message),
});
}
GossipsubEvent::Subscribed {
peer_id: _,
topic: _,
}
| GossipsubEvent::Unsubscribed {
peer_id: _,
topic: _,
} => {}
GossipsubEvent::Subscribed { .. } => {}
GossipsubEvent::Unsubscribed { .. } => {}
}
}
}
@ -112,7 +104,8 @@ impl<TSubstream: AsyncRead + AsyncWrite> NetworkBehaviourEventProcess<IdentifyEv
);
info.listen_addrs.truncate(20);
}
self.events.push(BehaviourEvent::Identified(peer_id, info));
self.events
.push(BehaviourEvent::Identified(peer_id, Box::new(info)));
}
IdentifyEvent::Error { .. } => {}
IdentifyEvent::SendBack { .. } => {}
@ -185,12 +178,12 @@ impl<TSubstream: AsyncRead + AsyncWrite> Behaviour<TSubstream> {
pub enum BehaviourEvent {
RPC(PeerId, RPCEvent),
PeerDialed(PeerId),
Identified(PeerId, IdentifyInfo),
Identified(PeerId, Box<IdentifyInfo>),
// TODO: This is a stub at the moment
GossipMessage {
source: PeerId,
topics: Vec<TopicHash>,
message: PubsubMessage,
message: Box<PubsubMessage>,
},
}
@ -198,7 +191,7 @@ pub enum BehaviourEvent {
#[derive(Debug, Clone, PartialEq)]
pub enum PubsubMessage {
/// Gossipsub message providing notification of a new block.
Block(BlockRootSlot),
Block(BeaconBlock),
/// Gossipsub message providing notification of a new attestation.
Attestation(Attestation),
}
@ -224,7 +217,7 @@ impl Decodable for PubsubMessage {
let (id, index) = u32::ssz_decode(bytes, index)?;
match id {
0 => {
let (block, index) = BlockRootSlot::ssz_decode(bytes, index)?;
let (block, index) = BeaconBlock::ssz_decode(bytes, index)?;
Ok((PubsubMessage::Block(block), index))
}
1 => {
@ -243,10 +236,7 @@ mod test {
#[test]
fn ssz_encoding() {
let original = PubsubMessage::Block(BlockRootSlot {
block_root: Hash256::from_slice(&[42; 32]),
slot: Slot::new(4),
});
let original = PubsubMessage::Block(BeaconBlock::empty(&ChainSpec::foundation()));
let encoded = ssz_encode(&original);

15
beacon_node/eth2-libp2p/src/rpc/methods.rs
View File

@ -1,7 +1,7 @@
use ssz::{Decodable, DecodeError, Encodable, SszStream};
/// Available RPC methods types and ids.
use ssz_derive::{Decode, Encode};
use types::{Attestation, BeaconBlockBody, BeaconBlockHeader, Epoch, Hash256, Slot};
use types::{BeaconBlockBody, BeaconBlockHeader, Epoch, Hash256, Slot};
#[derive(Debug)]
/// Available Serenity Libp2p RPC methods
@ -179,6 +179,19 @@ pub struct BeaconBlockRootsResponse {
pub roots: Vec<BlockRootSlot>,
}
impl BeaconBlockRootsResponse {
/// Returns `true` if each `self.roots.slot[i]` is higher than the preceeding `i`.
pub fn slots_are_ascending(&self) -> bool {
for i in 1..self.roots.len() {
if self.roots[i - 1].slot >= self.roots[i].slot {
return false;
}
}
true
}
}
/// Contains a block root and associated slot.
#[derive(Encode, Decode, Clone, Debug, PartialEq)]
pub struct BlockRootSlot {

6
beacon_node/eth2-libp2p/src/rpc/mod.rs
View File

@ -26,7 +26,7 @@ pub struct Rpc<TSubstream> {
/// Pins the generic substream.
marker: PhantomData<TSubstream>,
/// Slog logger for RPC behaviour.
log: slog::Logger,
_log: slog::Logger,
}
impl<TSubstream> Rpc<TSubstream> {
@ -35,7 +35,7 @@ impl<TSubstream> Rpc<TSubstream> {
Rpc {
events: Vec::new(),
marker: PhantomData,
log,
_log: log,
}
}
@ -65,7 +65,7 @@ where
fn inject_connected(&mut self, peer_id: PeerId, connected_point: ConnectedPoint) {
// if initialised the connection, report this upwards to send the HELLO request
if let ConnectedPoint::Dialer { address: _ } = connected_point {
if let ConnectedPoint::Dialer { .. } = connected_point {
self.events.push(NetworkBehaviourAction::GenerateEvent(
RPCMessage::PeerDialed(peer_id),
));

16
beacon_node/eth2-libp2p/src/rpc/protocol.rs
View File

@ -31,7 +31,7 @@ impl Default for RPCProtocol {
}
/// A monotonic counter for ordering `RPCRequest`s.
#[derive(Debug, Clone, PartialEq, Default)]
#[derive(Debug, Clone, Default)]
pub struct RequestId(u64);
impl RequestId {
@ -48,6 +48,12 @@ impl RequestId {
impl Eq for RequestId {}
impl PartialEq for RequestId {
fn eq(&self, other: &RequestId) -> bool {
self.0 == other.0
}
}
impl Hash for RequestId {
fn hash<H: Hasher>(&self, state: &mut H) {
self.0.hash(state);
@ -104,17 +110,15 @@ impl UpgradeInfo for RPCEvent {
}
}
type FnDecodeRPCEvent = fn(Vec<u8>, ()) -> Result<RPCEvent, DecodeError>;
impl<TSocket> InboundUpgrade<TSocket> for RPCProtocol
where
TSocket: AsyncRead + AsyncWrite,
{
type Output = RPCEvent;
type Error = DecodeError;
type Future = upgrade::ReadOneThen<
upgrade::Negotiated<TSocket>,
(),
fn(Vec<u8>, ()) -> Result<RPCEvent, DecodeError>,
>;
type Future = upgrade::ReadOneThen<upgrade::Negotiated<TSocket>, (), FnDecodeRPCEvent>;
fn upgrade_inbound(self, socket: upgrade::Negotiated<TSocket>, _: Self::Info) -> Self::Future {
upgrade::read_one_then(socket, MAX_READ_SIZE, (), |packet, ()| Ok(decode(packet)?))

15
beacon_node/eth2-libp2p/src/service.rs
View File

@ -19,13 +19,16 @@ use std::io::{Error, ErrorKind};
use std::time::Duration;
use types::{TopicBuilder, TopicHash};
type Libp2pStream = Boxed<(PeerId, StreamMuxerBox), Error>;
type Libp2pBehaviour = Behaviour<Substream<StreamMuxerBox>>;
/// The configuration and state of the libp2p components for the beacon node.
pub struct Service {
/// The libp2p Swarm handler.
//TODO: Make this private
pub swarm: Swarm<Boxed<(PeerId, StreamMuxerBox), Error>, Behaviour<Substream<StreamMuxerBox>>>,
pub swarm: Swarm<Libp2pStream, Libp2pBehaviour>,
/// This node's PeerId.
local_peer_id: PeerId,
_local_peer_id: PeerId,
/// The libp2p logger handle.
pub log: slog::Logger,
}
@ -89,7 +92,7 @@ impl Service {
info!(log, "Subscribed to topics: {:?}", subscribed_topics);
Ok(Service {
local_peer_id,
_local_peer_id: local_peer_id,
swarm,
log,
})
@ -113,7 +116,7 @@ impl Stream for Service {
topics,
message,
} => {
debug!(self.log, "Pubsub message received: {:?}", message);
trace!(self.log, "Pubsub message received: {:?}", message);
return Ok(Async::Ready(Some(Libp2pEvent::PubsubMessage {
source,
topics,
@ -179,11 +182,11 @@ pub enum Libp2pEvent {
/// Initiated the connection to a new peer.
PeerDialed(PeerId),
/// Received information about a peer on the network.
Identified(PeerId, IdentifyInfo),
Identified(PeerId, Box<IdentifyInfo>),
/// Received pubsub message.
PubsubMessage {
source: PeerId,
topics: Vec<TopicHash>,
message: PubsubMessage,
message: Box<PubsubMessage>,
},
}

2
beacon_node/network/Cargo.toml
View File

@ -13,7 +13,7 @@ beacon_chain = { path = "../beacon_chain" }
eth2-libp2p = { path = "../eth2-libp2p" }
version = { path = "../version" }
types = { path = "../../eth2/types" }
slog = "2.4.1"
slog = { version = "^2.2.3" , features = ["max_level_trace", "release_max_level_debug"] }
ssz = { path = "../../eth2/utils/ssz" }
futures = "0.1.25"
error-chain = "0.12.0"

17
beacon_node/network/src/beacon_chain.rs
View File

@ -5,12 +5,12 @@ use beacon_chain::{
parking_lot::RwLockReadGuard,
slot_clock::SlotClock,
types::{BeaconState, ChainSpec},
AggregationOutcome, CheckPoint,
AttestationValidationError, CheckPoint,
};
use eth2_libp2p::rpc::HelloMessage;
use types::{Attestation, BeaconBlock, BeaconBlockBody, BeaconBlockHeader, Epoch, Hash256, Slot};
pub use beacon_chain::{BeaconChainError, BlockProcessingOutcome};
pub use beacon_chain::{BeaconChainError, BlockProcessingOutcome, InvalidBlock};
/// The network's API to the beacon chain.
pub trait BeaconChain: Send + Sync {
@ -40,7 +40,7 @@ pub trait BeaconChain: Send + Sync {
fn process_attestation(
&self,
attestation: Attestation,
) -> Result<AggregationOutcome, BeaconChainError>;
) -> Result<(), AttestationValidationError>;
fn get_block_roots(
&self,
@ -126,14 +126,9 @@ where
fn process_attestation(
&self,
_attestation: Attestation,
) -> Result<AggregationOutcome, BeaconChainError> {
// Awaiting a proper operations pool before we can import attestations.
//
// Returning a useless error for now.
//
// https://github.com/sigp/lighthouse/issues/281
return Err(BeaconChainError::DBInconsistent("CANNOT PROCESS".into()));
attestation: Attestation,
) -> Result<(), AttestationValidationError> {
self.process_attestation(attestation)
}
fn get_block_roots(

9
beacon_node/network/src/message_handler.rs
View File

@ -41,7 +41,7 @@ pub enum HandlerMessage {
/// An RPC response/request has been received.
RPC(PeerId, RPCEvent),
/// A gossip message has been received.
PubsubMessage(PeerId, PubsubMessage),
PubsubMessage(PeerId, Box<PubsubMessage>),
}
impl MessageHandler {
@ -93,7 +93,7 @@ impl MessageHandler {
}
// we have received an RPC message request/response
HandlerMessage::PubsubMessage(peer_id, gossip) => {
self.handle_gossip(peer_id, gossip);
self.handle_gossip(peer_id, *gossip);
}
//TODO: Handle all messages
_ => {}
@ -208,8 +208,9 @@ impl MessageHandler {
fn handle_gossip(&mut self, peer_id: PeerId, gossip_message: PubsubMessage) {
match gossip_message {
PubsubMessage::Block(message) => {
self.sync
.on_block_gossip(peer_id, message, &mut self.network_context)
let _should_foward_on =
self.sync
.on_block_gossip(peer_id, message, &mut self.network_context);
}
PubsubMessage::Attestation(message) => {
self.sync

14
beacon_node/network/src/service.rs
View File

@ -17,7 +17,7 @@ use types::Topic;
/// Service that handles communication between internal services and the eth2_libp2p network service.
pub struct Service {
//libp2p_service: Arc<Mutex<LibP2PService>>,
libp2p_exit: oneshot::Sender<()>,
_libp2p_exit: oneshot::Sender<()>,
network_send: crossbeam_channel::Sender<NetworkMessage>,
//message_handler: MessageHandler,
//message_handler_send: Sender<HandlerMessage>,
@ -54,7 +54,7 @@ impl Service {
log,
)?;
let network_service = Service {
libp2p_exit,
_libp2p_exit: libp2p_exit,
network_send: network_send.clone(),
};
@ -131,9 +131,7 @@ fn network_service(
);
}
Libp2pEvent::PubsubMessage {
source,
topics: _,
message,
source, message, ..
} => {
//TODO: Decide if we need to propagate the topic upwards. (Potentially for
//attestations)
@ -161,13 +159,13 @@ fn network_service(
libp2p_service.swarm.send_rpc(peer_id, rpc_event);
}
OutgoingMessage::NotifierTest => {
debug!(log, "Received message from notifier");
// debug!(log, "Received message from notifier");
}
};
}
Ok(NetworkMessage::Publish { topics, message }) => {
debug!(log, "Sending pubsub message on topics {:?}", topics);
libp2p_service.swarm.publish(topics, message);
libp2p_service.swarm.publish(topics, *message);
}
Err(TryRecvError::Empty) => break,
Err(TryRecvError::Disconnected) => {
@ -190,7 +188,7 @@ pub enum NetworkMessage {
/// Publish a message to pubsub mechanism.
Publish {
topics: Vec<Topic>,
message: PubsubMessage,
message: Box<PubsubMessage>,
},
}

100
beacon_node/network/src/sync/import_queue.rs
View File

@ -5,7 +5,7 @@ use slog::{debug, error};
use ssz::TreeHash;
use std::sync::Arc;
use std::time::{Duration, Instant};
use types::{BeaconBlock, BeaconBlockBody, BeaconBlockHeader, Hash256};
use types::{BeaconBlock, BeaconBlockBody, BeaconBlockHeader, Hash256, Slot};
/// Provides a queue for fully and partially built `BeaconBlock`s.
///
@ -104,7 +104,7 @@ impl ImportQueue {
}
/// Returns `true` if `self.chain` has not yet processed this block.
pub fn is_new_block(&self, block_root: &Hash256) -> bool {
pub fn chain_has_not_seen_block(&self, block_root: &Hash256) -> bool {
self.chain
.is_new_block_root(&block_root)
.unwrap_or_else(|_| {
@ -113,11 +113,36 @@ impl ImportQueue {
})
}
/// Returns the index of the first new root in the list of block roots.
pub fn first_new_root(&mut self, roots: &[BlockRootSlot]) -> Option<usize> {
roots
/// Adds the `block_roots` to the partials queue.
///
/// If a `block_root` is not in the queue and has not been processed by the chain it is added
/// to the queue and it's block root is included in the output.
pub fn enqueue_block_roots(
&mut self,
block_roots: &[BlockRootSlot],
sender: PeerId,
) -> Vec<BlockRootSlot> {
let new_roots: Vec<BlockRootSlot> = block_roots
.iter()
.position(|brs| self.is_new_block(&brs.block_root))
// Ignore any roots already processed by the chain.
.filter(|brs| self.chain_has_not_seen_block(&brs.block_root))
// Ignore any roots already stored in the queue.
.filter(|brs| !self.partials.iter().any(|p| p.block_root == brs.block_root))
.cloned()
.collect();
new_roots.iter().for_each(|brs| {
self.partials.push(PartialBeaconBlock {
slot: brs.slot,
block_root: brs.block_root,
sender: sender.clone(),
header: None,
body: None,
inserted: Instant::now(),
})
});
new_roots
}
/// Adds the `headers` to the `partials` queue. Returns a list of `Hash256` block roots for
@ -143,7 +168,7 @@ impl ImportQueue {
for header in headers {
let block_root = Hash256::from_slice(&header.hash_tree_root()[..]);
if self.is_new_block(&block_root) {
if self.chain_has_not_seen_block(&block_root) {
self.insert_header(block_root, header, sender.clone());
required_bodies.push(block_root)
}
@ -161,6 +186,12 @@ impl ImportQueue {
}
}
pub fn enqueue_full_blocks(&mut self, blocks: Vec<BeaconBlock>, sender: PeerId) {
for block in blocks {
self.insert_full_block(block, sender.clone());
}
}
/// Inserts a header to the queue.
///
/// If the header already exists, the `inserted` time is set to `now` and not other
@ -171,11 +202,21 @@ impl ImportQueue {
.iter()
.position(|p| p.block_root == block_root)
{
// Case 1: there already exists a partial with a matching block root.
//
// The `inserted` time is set to now and the header is replaced, regardless of whether
// it existed or not.
self.partials[i].header = Some(header);
self.partials[i].inserted = Instant::now();
} else {
// Case 2: there was no partial with a matching block root.
//
// A new partial is added. This case permits adding a header without already known the
// root -- this is not possible in the wire protocol however we support it anyway.
self.partials.push(PartialBeaconBlock {
slot: header.slot,
block_root,
header,
header: Some(header),
body: None,
inserted: Instant::now(),
sender,
@ -192,25 +233,54 @@ impl ImportQueue {
let body_root = Hash256::from_slice(&body.hash_tree_root()[..]);
self.partials.iter_mut().for_each(|mut p| {
if body_root == p.header.block_body_root {
p.inserted = Instant::now();
if let Some(header) = &mut p.header {
if body_root == header.block_body_root {
p.inserted = Instant::now();
if p.body.is_none() {
p.body = Some(body.clone());
p.sender = sender.clone();
if p.body.is_none() {
p.body = Some(body.clone());
p.sender = sender.clone();
}
}
}
});
}
/// Updates an existing `partial` with the completed block, or adds a new (complete) partial.
///
/// If the partial already existed, the `inserted` time is set to `now`.
fn insert_full_block(&mut self, block: BeaconBlock, sender: PeerId) {
let block_root = Hash256::from_slice(&block.hash_tree_root()[..]);
let partial = PartialBeaconBlock {
slot: block.slot,
block_root,
header: Some(block.block_header()),
body: Some(block.body),
inserted: Instant::now(),
sender,
};
if let Some(i) = self
.partials
.iter()
.position(|p| p.block_root == block_root)
{
self.partials[i] = partial;
} else {
self.partials.push(partial)
}
}
}
/// Individual components of a `BeaconBlock`, potentially all that are required to form a full
/// `BeaconBlock`.
#[derive(Clone, Debug)]
pub struct PartialBeaconBlock {
pub slot: Slot,
/// `BeaconBlock` root.
pub block_root: Hash256,
pub header: BeaconBlockHeader,
pub header: Option<BeaconBlockHeader>,
pub body: Option<BeaconBlockBody>,
/// The instant at which this record was created or last meaningfully modified. Used to
/// determine if an entry is stale and should be removed.
@ -225,7 +295,7 @@ impl PartialBeaconBlock {
pub fn complete(self) -> Option<(Hash256, BeaconBlock, PeerId)> {
Some((
self.block_root,
self.header.into_block(self.body?),
self.header?.into_block(self.body?),
self.sender,
))
}

260
beacon_node/network/src/sync/simple_sync.rs
View File

@ -1,20 +1,25 @@
use super::import_queue::ImportQueue;
use crate::beacon_chain::BeaconChain;
use crate::beacon_chain::{BeaconChain, BlockProcessingOutcome, InvalidBlock};
use crate::message_handler::NetworkContext;
use eth2_libp2p::rpc::methods::*;
use eth2_libp2p::rpc::{RPCRequest, RPCResponse, RequestId};
use eth2_libp2p::PeerId;
use slog::{debug, error, info, o, warn};
use ssz::TreeHash;
use std::collections::HashMap;
use std::sync::Arc;
use std::time::Duration;
use types::{Attestation, Epoch, Hash256, Slot};
use types::{Attestation, BeaconBlock, Epoch, Hash256, Slot};
/// The number of slots that we can import blocks ahead of us, before going into full Sync mode.
const SLOT_IMPORT_TOLERANCE: u64 = 100;
/// The amount of seconds a block (or partial block) may exist in the import queue.
const QUEUE_STALE_SECS: u64 = 60;
const QUEUE_STALE_SECS: u64 = 600;
/// If a block is more than `FUTURE_SLOT_TOLERANCE` slots ahead of our slot clock, we drop it.
/// Otherwise we queue it.
const FUTURE_SLOT_TOLERANCE: u64 = 1;
/// Keeps track of syncing information for known connected peers.
#[derive(Clone, Copy, Debug)]
@ -60,7 +65,7 @@ pub enum PeerStatus {
}
impl PeerStatus {
pub fn should_handshake(&self) -> bool {
pub fn should_handshake(self) -> bool {
match self {
PeerStatus::DifferentNetworkId => false,
PeerStatus::FinalizedEpochNotInChain => false,
@ -358,31 +363,50 @@ impl SimpleSync {
if res.roots.is_empty() {
warn!(
self.log,
"Peer returned empty block roots response. PeerId: {:?}", peer_id
"Peer returned empty block roots response";
"peer_id" => format!("{:?}", peer_id)
);
return;
}
let new_root_index = self.import_queue.first_new_root(&res.roots);
// If a new block root is found, request it and all the headers following it.
//
// We make an assumption here that if we don't know a block then we don't know of all
// it's parents. This might not be the case if syncing becomes more sophisticated.
if let Some(i) = new_root_index {
let new = &res.roots[i];
self.request_block_headers(
peer_id,
BeaconBlockHeadersRequest {
start_root: new.block_root,
start_slot: new.slot,
max_headers: (res.roots.len() - i) as u64,
skip_slots: 0,
},
network,
)
// The wire protocol specifies that slots must be in ascending order.
if !res.slots_are_ascending() {
warn!(
self.log,
"Peer returned block roots response with bad slot ordering";
"peer_id" => format!("{:?}", peer_id)
);
return;
}
let new_roots = self
.import_queue
.enqueue_block_roots(&res.roots, peer_id.clone());
// No new roots means nothing to do.
//
// This check protects against future panics.
if new_roots.is_empty() {
return;
}
// Determine the first (earliest) and last (latest) `BlockRootSlot` items.
//
// This logic relies upon slots to be in ascending order, which is enforced earlier.
let first = new_roots.first().expect("Non-empty list must have first");
let last = new_roots.last().expect("Non-empty list must have last");
// Request all headers between the earliest and latest new `BlockRootSlot` items.
self.request_block_headers(
peer_id,
BeaconBlockHeadersRequest {
start_root: first.block_root,
start_slot: first.slot,
max_headers: (last.slot - first.slot + 1).as_u64(),
skip_slots: 0,
},
network,
)
}
/// Handle a `BeaconBlockHeaders` request from the peer.
@ -517,34 +541,148 @@ impl SimpleSync {
}
/// Process a gossip message declaring a new block.
///
/// Returns a `bool` which, if `true`, indicates we should forward the block to our peers.
pub fn on_block_gossip(
&mut self,
peer_id: PeerId,
msg: BlockRootSlot,
block: BeaconBlock,
network: &mut NetworkContext,
) {
) -> bool {
info!(
self.log,
"NewGossipBlock";
"peer" => format!("{:?}", peer_id),
);
// TODO: filter out messages that a prior to the finalized slot.
//
// TODO: if the block is a few more slots ahead, try to get all block roots from then until
// now.
//
// Note: only requests the new block -- will fail if we don't have its parents.
if self.import_queue.is_new_block(&msg.block_root) {
self.request_block_headers(
peer_id,
BeaconBlockHeadersRequest {
start_root: msg.block_root,
start_slot: msg.slot,
max_headers: 1,
skip_slots: 0,
},
network,
)
// Ignore any block from a finalized slot.
if self.slot_is_finalized(block.slot) {
warn!(
self.log, "NewGossipBlock";
"msg" => "new block slot is finalized.",
"block_slot" => block.slot,
);
return false;
}
let block_root = Hash256::from_slice(&block.hash_tree_root());
// Ignore any block that the chain already knows about.
if self.chain_has_seen_block(&block_root) {
println!("this happened");
// TODO: Age confirm that we shouldn't forward a block if we already know of it.
return false;
}
debug!(
self.log,
"NewGossipBlock";
"peer" => format!("{:?}", peer_id),
"msg" => "processing block",
);
match self.chain.process_block(block.clone()) {
Ok(BlockProcessingOutcome::InvalidBlock(InvalidBlock::ParentUnknown)) => {
// The block was valid and we processed it successfully.
debug!(
self.log, "NewGossipBlock";
"msg" => "parent block unknown",
"parent_root" => format!("{}", block.previous_block_root),
"peer" => format!("{:?}", peer_id),
);
// Queue the block for later processing.
self.import_queue
.enqueue_full_blocks(vec![block], peer_id.clone());
// Send a hello to learn of the clients best slot so we can then sync the require
// parent(s).
network.send_rpc_request(
peer_id.clone(),
RPCRequest::Hello(self.chain.hello_message()),
);
// Forward the block onto our peers.
//
// Note: this may need to be changed if we decide to only forward blocks if we have
// all required info.
true
}
Ok(BlockProcessingOutcome::InvalidBlock(InvalidBlock::FutureSlot {
present_slot,
block_slot,
})) => {
if block_slot - present_slot > FUTURE_SLOT_TOLERANCE {
// The block is too far in the future, drop it.
warn!(
self.log, "NewGossipBlock";
"msg" => "future block rejected",
"present_slot" => present_slot,
"block_slot" => block_slot,
"FUTURE_SLOT_TOLERANCE" => FUTURE_SLOT_TOLERANCE,
"peer" => format!("{:?}", peer_id),
);
// Do not forward the block around to peers.
false
} else {
// The block is in the future, but not too far.
warn!(
self.log, "NewGossipBlock";
"msg" => "queuing future block",
"present_slot" => present_slot,
"block_slot" => block_slot,
"FUTURE_SLOT_TOLERANCE" => FUTURE_SLOT_TOLERANCE,
"peer" => format!("{:?}", peer_id),
);
// Queue the block for later processing.
self.import_queue.enqueue_full_blocks(vec![block], peer_id);
// Forward the block around to peers.
true
}
}
Ok(outcome) => {
if outcome.is_invalid() {
// The peer has sent a block which is fundamentally invalid.
warn!(
self.log, "NewGossipBlock";
"msg" => "invalid block from peer",
"outcome" => format!("{:?}", outcome),
"peer" => format!("{:?}", peer_id),
);
// Disconnect the peer
network.disconnect(peer_id, GoodbyeReason::Fault);
// Do not forward the block to peers.
false
} else if outcome.sucessfully_processed() {
// The block was valid and we processed it successfully.
info!(
self.log, "NewGossipBlock";
"msg" => "block import successful",
"peer" => format!("{:?}", peer_id),
);
// Forward the block to peers
true
} else {
// The block wasn't necessarily invalid but we didn't process it successfully.
// This condition shouldn't be reached.
error!(
self.log, "NewGossipBlock";
"msg" => "unexpected condition in processing block.",
"outcome" => format!("{:?}", outcome),
);
// Do not forward the block on.
false
}
}
Err(e) => {
// We encountered an error whilst processing the block.
//
// Blocks should not be able to trigger errors, instead they should be flagged as
// invalid.
error!(
self.log, "NewGossipBlock";
"msg" => "internal error in processing block.",
"error" => format!("{:?}", e),
);
// Do not forward the block to peers.
false
}
}
}
@ -563,12 +701,9 @@ impl SimpleSync {
"peer" => format!("{:?}", peer_id),
);
// Awaiting a proper operations pool before we can import attestations.
//
// https://github.com/sigp/lighthouse/issues/281
match self.chain.process_attestation(msg) {
Ok(_) => panic!("Impossible, method not implemented."),
Err(_) => error!(self.log, "Attestation processing not implemented!"),
Ok(()) => info!(self.log, "ImportedAttestation"),
Err(e) => warn!(self.log, "InvalidAttestation"; "error" => format!("{:?}", e)),
}
}
@ -594,12 +729,21 @@ impl SimpleSync {
"reason" => format!("{:?}", outcome),
);
network.disconnect(sender, GoodbyeReason::Fault);
break;
}
// If this results to true, the item will be removed from the queue.
if outcome.sucessfully_processed() {
successful += 1;
self.import_queue.remove(block_root);
} else {
debug!(
self.log,
"ProcessImportQueue";
"msg" => "Block not imported",
"outcome" => format!("{:?}", outcome),
"peer" => format!("{:?}", sender),
);
}
}
Err(e) => {
@ -678,6 +822,26 @@ impl SimpleSync {
network.send_rpc_request(peer_id.clone(), RPCRequest::BeaconBlockBodies(req));
}
/// Returns `true` if `self.chain` has not yet processed this block.
pub fn chain_has_seen_block(&self, block_root: &Hash256) -> bool {
!self
.chain
.is_new_block_root(&block_root)
.unwrap_or_else(|_| {
error!(self.log, "Unable to determine if block is new.");
false
})
}
/// Returns `true` if the given slot is finalized in our chain.
fn slot_is_finalized(&self, slot: Slot) -> bool {
slot <= self
.chain
.hello_message()
.latest_finalized_epoch
.start_slot(self.chain.get_spec().slots_per_epoch)
}
/// Generates our current state in the form of a HELLO RPC message.
pub fn generate_hello(&self) -> HelloMessage {
self.chain.hello_message()

2
beacon_node/network/tests/tests.rs
View File

@ -543,7 +543,7 @@ fn sync_two_nodes() {
// A provides block bodies to B.
node_a.tee_block_body_response(&node_b);
std::thread::sleep(Duration::from_secs(10));
std::thread::sleep(Duration::from_secs(20));
node_b.harness.run_fork_choice();

157
beacon_node/rpc/src/attestation.rs Normal file
View File

@ -0,0 +1,157 @@
use crate::beacon_chain::BeaconChain;
use futures::Future;
use grpcio::{RpcContext, RpcStatus, RpcStatusCode, UnarySink};
use protos::services::{
AttestationData as AttestationDataProto, ProduceAttestationDataRequest,
ProduceAttestationDataResponse, PublishAttestationRequest, PublishAttestationResponse,
};
use protos::services_grpc::AttestationService;
use slog::{error, info, trace, warn};
use ssz::{ssz_encode, Decodable};
use std::sync::Arc;
use types::Attestation;
#[derive(Clone)]
pub struct AttestationServiceInstance {
pub chain: Arc<BeaconChain>,
pub log: slog::Logger,
}
impl AttestationService for AttestationServiceInstance {
/// Produce the `AttestationData` for signing by a validator.
fn produce_attestation_data(
&mut self,
ctx: RpcContext,
req: ProduceAttestationDataRequest,
sink: UnarySink<ProduceAttestationDataResponse>,
) {
trace!(
&self.log,
"Attempting to produce attestation at slot {}",
req.get_slot()
);
// verify the slot, drop lock on state afterwards
{
let slot_requested = req.get_slot();
let state = self.chain.get_state();
// Start by performing some checks
// Check that the AttestionData is for the current slot (otherwise it will not be valid)
if slot_requested > state.slot.as_u64() {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::OutOfRange,
Some(
"AttestationData request for a slot that is in the future.".to_string(),
),
))
.map_err(move |e| {
error!(log_clone, "Failed to reply with failure {:?}: {:?}", req, e)
});
return ctx.spawn(f);
}
// currently cannot handle past slots. TODO: Handle this case
else if slot_requested < state.slot.as_u64() {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::InvalidArgument,
Some("AttestationData request for a slot that is in the past.".to_string()),
))
.map_err(move |e| {
error!(log_clone, "Failed to reply with failure {:?}: {:?}", req, e)
});
return ctx.spawn(f);
}
}
// Then get the AttestationData from the beacon chain
let shard = req.get_shard();
let attestation_data = match self.chain.produce_attestation_data(shard) {
Ok(v) => v,
Err(e) => {
// Could not produce an attestation
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::Unknown,
Some(format!("Could not produce an attestation: {:?}", e)),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
let mut attestation_data_proto = AttestationDataProto::new();
attestation_data_proto.set_ssz(ssz_encode(&attestation_data));
let mut resp = ProduceAttestationDataResponse::new();
resp.set_attestation_data(attestation_data_proto);
let error_log = self.log.clone();
let f = sink
.success(resp)
.map_err(move |e| error!(error_log, "Failed to reply with success {:?}: {:?}", req, e));
ctx.spawn(f)
}
/// Accept some fully-formed `FreeAttestation` from the validator,
/// store it, and aggregate it into an `Attestation`.
fn publish_attestation(
&mut self,
ctx: RpcContext,
req: PublishAttestationRequest,
sink: UnarySink<PublishAttestationResponse>,
) {
trace!(self.log, "Publishing attestation");
let mut resp = PublishAttestationResponse::new();
let ssz_serialized_attestation = req.get_attestation().get_ssz();
let attestation = match Attestation::ssz_decode(ssz_serialized_attestation, 0) {
Ok((v, _index)) => v,
Err(_) => {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::InvalidArgument,
Some("Invalid attestation".to_string()),
))
.map_err(move |_| warn!(log_clone, "failed to reply {:?}", req));
return ctx.spawn(f);
}
};
match self.chain.process_attestation(attestation) {
Ok(_) => {
// Attestation was successfully processed.
info!(
self.log,
"PublishAttestation";
"type" => "valid_attestation",
);
resp.set_success(true);
}
Err(e) => {
// Attestation was invalid
warn!(
self.log,
"PublishAttestation";
"type" => "invalid_attestation",
"error" => format!("{:?}", e),
);
resp.set_success(false);
resp.set_msg(format!("InvalidAttestation: {:?}", e).as_bytes().to_vec());
}
};
let error_log = self.log.clone();
let f = sink
.success(resp)
.map_err(move |e| error!(error_log, "failed to reply {:?}: {:?}", req, e));
ctx.spawn(f)
}
}

61
beacon_node/rpc/src/beacon_attester.rs
View File

@ -1,61 +0,0 @@
use futures::Future;
use grpcio::{RpcContext, UnarySink};
use protos::services::{
Attestation as AttestationProto, ProduceAttestation, ProduceAttestationResponse,
ProduceAttestationRequest, PublishAttestationResponse, PublishAttestationRequest,
PublishAttestation
};
use protos::services_grpc::BeaconBlockService;
use slog::Logger;
#[derive(Clone)]
pub struct AttestationServiceInstance {
pub log: Logger,
}
impl AttestationService for AttestationServiceInstance {
/// Produce a `BeaconBlock` for signing by a validator.
fn produce_attestation(
&mut self,
ctx: RpcContext,
req: ProduceAttestationRequest,
sink: UnarySink<ProduceAttestationResponse>,
) {
println!("producing attestation at slot {}", req.get_slot());
// TODO: build a legit block.
let mut attestation = AttestationProto::new();
attestation.set_slot(req.get_slot());
// TODO Set the shard to something legit.
attestation.set_shard(0);
attestation.set_block_root(b"cats".to_vec());
let mut resp = ProduceAttestationResponse::new();
resp.set_attestation_data(attestation);
let f = sink
.success(resp)
.map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
ctx.spawn(f)
}
/// Accept some fully-formed `BeaconBlock`, process and publish it.
fn publish_attestation(
&mut self,
ctx: RpcContext,
req: PublishAttestationRequest,
sink: UnarySink<PublishAttestationResponse>,
) {
println!("publishing attestation {:?}", req.get_block());
// TODO: actually process the block.
let mut resp = PublishAttestationResponse::new();
resp.set_success(true);
let f = sink
.success(resp)
.map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
ctx.spawn(f)
}
}

76
beacon_node/rpc/src/beacon_block.rs
View File

@ -1,9 +1,8 @@
use crate::beacon_chain::BeaconChain;
use crossbeam_channel;
use eth2_libp2p::rpc::methods::BlockRootSlot;
use eth2_libp2p::PubsubMessage;
use futures::Future;
use grpcio::{RpcContext, UnarySink};
use grpcio::{RpcContext, RpcStatus, RpcStatusCode, UnarySink};
use network::NetworkMessage;
use protos::services::{
BeaconBlock as BeaconBlockProto, ProduceBeaconBlockRequest, ProduceBeaconBlockResponse,
@ -11,10 +10,10 @@ use protos::services::{
};
use protos::services_grpc::BeaconBlockService;
use slog::Logger;
use slog::{debug, error, info, warn};
use ssz::{Decodable, TreeHash};
use slog::{error, info, trace, warn};
use ssz::{ssz_encode, Decodable};
use std::sync::Arc;
use types::{BeaconBlock, Hash256, Slot};
use types::{BeaconBlock, Signature, Slot};
#[derive(Clone)]
pub struct BeaconBlockServiceInstance {
@ -31,11 +30,44 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
req: ProduceBeaconBlockRequest,
sink: UnarySink<ProduceBeaconBlockResponse>,
) {
println!("producing at slot {}", req.get_slot());
trace!(self.log, "Generating a beacon block"; "req" => format!("{:?}", req));
// decode the request
// TODO: requested slot currently unused, see: https://github.com/sigp/lighthouse/issues/336
let _requested_slot = Slot::from(req.get_slot());
let randao_reveal = match Signature::ssz_decode(req.get_randao_reveal(), 0) {
Ok((reveal, _index)) => reveal,
Err(_) => {
// decode error, incorrect signature
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::InvalidArgument,
Some("Invalid randao reveal signature".to_string()),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
let produced_block = match self.chain.produce_block(randao_reveal) {
Ok((block, _state)) => block,
Err(e) => {
// could not produce a block
let log_clone = self.log.clone();
warn!(self.log, "RPC Error"; "Error" => format!("Could not produce a block:{:?}",e));
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::Unknown,
Some(format!("Could not produce a block: {:?}", e)),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
// TODO: build a legit block.
let mut block = BeaconBlockProto::new();
block.set_ssz(b"cats".to_vec());
block.set_ssz(ssz_encode(&produced_block));
let mut resp = ProduceBeaconBlockResponse::new();
resp.set_block(block);
@ -53,14 +85,14 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
req: PublishBeaconBlockRequest,
sink: UnarySink<PublishBeaconBlockResponse>,
) {
trace!(&self.log, "Attempting to publish a block");
let mut resp = PublishBeaconBlockResponse::new();
let ssz_serialized_block = req.get_block().get_ssz();
match BeaconBlock::ssz_decode(ssz_serialized_block, 0) {
Ok((block, _i)) => {
let block_root = Hash256::from_slice(&block.hash_tree_root()[..]);
match self.chain.process_block(block.clone()) {
Ok(outcome) => {
if outcome.sucessfully_processed() {
@ -76,16 +108,22 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
// TODO: Obtain topics from the network service properly.
let topic =
types::TopicBuilder::new("beacon_chain".to_string()).build();
let message = PubsubMessage::Block(BlockRootSlot {
block_root,
slot: block.slot,
});
let message = PubsubMessage::Block(block);
println!("Sending beacon block to gossipsub");
self.network_chan.send(NetworkMessage::Publish {
topics: vec![topic],
message,
});
// Publish the block to the p2p network via gossipsub.
self.network_chan
.send(NetworkMessage::Publish {
topics: vec![topic],
message: Box::new(message),
})
.unwrap_or_else(|e| {
error!(
self.log,
"PublishBeaconBlock";
"type" => "failed to publish to gossipsub",
"error" => format!("{:?}", e)
);
});
resp.set_success(true);
} else if outcome.is_invalid() {

43
beacon_node/rpc/src/beacon_chain.rs
View File

@ -2,12 +2,13 @@ use beacon_chain::BeaconChain as RawBeaconChain;
use beacon_chain::{
db::ClientDB,
fork_choice::ForkChoice,
parking_lot::RwLockReadGuard,
parking_lot::{RwLockReadGuard, RwLockWriteGuard},
slot_clock::SlotClock,
types::{BeaconState, ChainSpec},
types::{BeaconState, ChainSpec, Signature},
AttestationValidationError, BlockProductionError,
};
pub use beacon_chain::{BeaconChainError, BlockProcessingOutcome};
use types::BeaconBlock;
use types::{Attestation, AttestationData, BeaconBlock};
/// The RPC's API to the beacon chain.
pub trait BeaconChain: Send + Sync {
@ -15,8 +16,22 @@ pub trait BeaconChain: Send + Sync {
fn get_state(&self) -> RwLockReadGuard<BeaconState>;
fn get_mut_state(&self) -> RwLockWriteGuard<BeaconState>;
fn process_block(&self, block: BeaconBlock)
-> Result<BlockProcessingOutcome, BeaconChainError>;
fn produce_block(
&self,
randao_reveal: Signature,
) -> Result<(BeaconBlock, BeaconState), BlockProductionError>;
fn produce_attestation_data(&self, shard: u64) -> Result<AttestationData, BeaconChainError>;
fn process_attestation(
&self,
attestation: Attestation,
) -> Result<(), AttestationValidationError>;
}
impl<T, U, F> BeaconChain for RawBeaconChain<T, U, F>
@ -33,10 +48,32 @@ where
self.state.read()
}
fn get_mut_state(&self) -> RwLockWriteGuard<BeaconState> {
self.state.write()
}
fn process_block(
&self,
block: BeaconBlock,
) -> Result<BlockProcessingOutcome, BeaconChainError> {
self.process_block(block)
}
fn produce_block(
&self,
randao_reveal: Signature,
) -> Result<(BeaconBlock, BeaconState), BlockProductionError> {
self.produce_block(randao_reveal)
}
fn produce_attestation_data(&self, shard: u64) -> Result<AttestationData, BeaconChainError> {
self.produce_attestation_data(shard)
}
fn process_attestation(
&self,
attestation: Attestation,
) -> Result<(), AttestationValidationError> {
self.process_attestation(attestation)
}
}

4
beacon_node/rpc/src/beacon_node.rs
View File

@ -24,7 +24,7 @@ impl BeaconNodeService for BeaconNodeServiceInstance {
// get the chain state
let state = self.chain.get_state();
let state_fork = state.fork.clone();
let genesis_time = state.genesis_time.clone();
let genesis_time = state.genesis_time;
// build the rpc fork struct
let mut fork = Fork::new();
@ -35,7 +35,7 @@ impl BeaconNodeService for BeaconNodeServiceInstance {
node_info.set_fork(fork);
node_info.set_genesis_time(genesis_time);
node_info.set_genesis_slot(self.chain.get_spec().genesis_slot.as_u64());
node_info.set_chain_id(self.chain.get_spec().chain_id as u32);
node_info.set_chain_id(u32::from(self.chain.get_spec().chain_id));
// send the node_info the requester
let error_log = self.log.clone();

17
beacon_node/rpc/src/lib.rs
View File

@ -1,19 +1,22 @@
mod attestation;
mod beacon_block;
pub mod beacon_chain;
mod beacon_node;
pub mod config;
mod validator;
use self::attestation::AttestationServiceInstance;
use self::beacon_block::BeaconBlockServiceInstance;
use self::beacon_chain::BeaconChain;
use self::beacon_node::BeaconNodeServiceInstance;
use self::validator::ValidatorServiceInstance;
pub use config::Config as RPCConfig;
use futures::{future, Future};
use grpcio::{Environment, Server, ServerBuilder};
use futures::Future;
use grpcio::{Environment, ServerBuilder};
use network::NetworkMessage;
use protos::services_grpc::{
create_beacon_block_service, create_beacon_node_service, create_validator_service,
create_attestation_service, create_beacon_block_service, create_beacon_node_service,
create_validator_service,
};
use slog::{info, o, warn};
use std::sync::Arc;
@ -56,11 +59,19 @@ pub fn start_server(
};
create_validator_service(instance)
};
let attestation_service = {
let instance = AttestationServiceInstance {
chain: beacon_chain.clone(),
log: log.clone(),
};
create_attestation_service(instance)
};
let mut server = ServerBuilder::new(env)
.register_service(beacon_block_service)
.register_service(validator_service)
.register_service(beacon_node_service)
.register_service(attestation_service)
.bind(config.listen_address.to_string(), config.port)
.build()
.unwrap();

22
beacon_node/rpc/src/validator.rs
View File

@ -4,15 +4,15 @@ use futures::Future;
use grpcio::{RpcContext, RpcStatus, RpcStatusCode, UnarySink};
use protos::services::{ActiveValidator, GetDutiesRequest, GetDutiesResponse, ValidatorDuty};
use protos::services_grpc::ValidatorService;
use slog::{debug, info, warn, Logger};
use ssz::Decodable;
use slog::{trace, warn};
use ssz::decode;
use std::sync::Arc;
use types::{Epoch, RelativeEpoch};
#[derive(Clone)]
pub struct ValidatorServiceInstance {
pub chain: Arc<BeaconChain>,
pub log: Logger,
pub log: slog::Logger,
}
//TODO: Refactor Errors
@ -27,14 +27,13 @@ impl ValidatorService for ValidatorServiceInstance {
sink: UnarySink<GetDutiesResponse>,
) {
let validators = req.get_validators();
debug!(self.log, "RPC request"; "endpoint" => "GetValidatorDuties", "epoch" => req.get_epoch());
let epoch = Epoch::from(req.get_epoch());
let mut resp = GetDutiesResponse::new();
let resp_validators = resp.mut_active_validators();
trace!(self.log, "RPC request"; "endpoint" => "GetValidatorDuties", "epoch" => req.get_epoch());
let spec = self.chain.get_spec();
let state = self.chain.get_state();
let epoch = Epoch::from(req.get_epoch());
let mut resp = GetDutiesResponse::new();
let resp_validators = resp.mut_active_validators();
let relative_epoch =
match RelativeEpoch::from_epoch(state.slot.epoch(spec.slots_per_epoch), epoch) {
@ -75,8 +74,8 @@ impl ValidatorService for ValidatorServiceInstance {
for validator_pk in validators.get_public_keys() {
let mut active_validator = ActiveValidator::new();
let public_key = match PublicKey::ssz_decode(validator_pk, 0) {
Ok((v, _index)) => v,
let public_key = match decode::<PublicKey>(validator_pk) {
Ok(v) => v,
Err(_) => {
let log_clone = self.log.clone();
let f = sink
@ -84,7 +83,7 @@ impl ValidatorService for ValidatorServiceInstance {
RpcStatusCode::InvalidArgument,
Some("Invalid public_key".to_string()),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?}", req));
.map_err(move |_| warn!(log_clone, "failed to reply {:?}", req));
return ctx.spawn(f);
}
};
@ -157,6 +156,7 @@ impl ValidatorService for ValidatorServiceInstance {
duty.set_committee_index(attestation_duties.committee_index as u64);
duty.set_attestation_slot(attestation_duties.slot.as_u64());
duty.set_attestation_shard(attestation_duties.shard);
duty.set_committee_len(attestation_duties.committee_len as u64);
active_validator.set_duty(duty);
resp_validators.push(active_validator);

12
beacon_node/src/main.rs
View File

@ -16,6 +16,7 @@ fn main() {
.version(version::version().as_str())
.author("Sigma Prime <contact@sigmaprime.io>")
.about("Eth 2.0 Client")
// file system related arguments
.arg(
Arg::with_name("datadir")
.long("datadir")
@ -23,8 +24,9 @@ fn main() {
.help("Data directory for keys and databases.")
.takes_value(true),
)
// network related arguments
.arg(
Arg::with_name("listen_address")
Arg::with_name("listen-address")
.long("listen-address")
.value_name("Listen Address")
.help("The Network address to listen for p2p connections.")
@ -37,6 +39,14 @@ fn main() {
.help("Network listen port for p2p connections.")
.takes_value(true),
)
.arg(
Arg::with_name("boot-nodes")
.long("boot-nodes")
.value_name("BOOTNODES")
.help("A list of comma separated multi addresses representing bootnodes to connect to.")
.takes_value(true),
)
// rpc related arguments
.arg(
Arg::with_name("rpc")
.long("rpc")

2
eth2/attester/src/lib.rs
View File

@ -94,7 +94,7 @@ impl<T: SlotClock, U: BeaconNode, V: DutiesReader, W: Signer> Attester<T, U, V,
}
fn produce_attestation(&mut self, slot: Slot, shard: u64) -> Result<PollOutcome, Error> {
let attestation_data = match self.beacon_node.produce_attestation(slot, shard)? {
let attestation_data = match self.beacon_node.produce_attestation_data(slot, shard)? {
Some(attestation_data) => attestation_data,
None => return Ok(PollOutcome::BeaconNodeUnableToProduceAttestation(slot)),
};

2
eth2/attester/src/test_utils/simulated_beacon_node.rs
View File

@ -26,7 +26,7 @@ impl SimulatedBeaconNode {
}
impl BeaconNode for SimulatedBeaconNode {
fn produce_attestation(&self, slot: Slot, shard: u64) -> ProduceResult {
fn produce_attestation_data(&self, slot: Slot, shard: u64) -> ProduceResult {
*self.produce_input.write().unwrap() = Some((slot, shard));
match *self.produce_result.read().unwrap() {
Some(ref r) => r.clone(),

2
eth2/attester/src/traits.rs
View File

@ -14,7 +14,7 @@ pub enum PublishOutcome {
/// Defines the methods required to produce and publish blocks on a Beacon Node.
pub trait BeaconNode: Send + Sync {
fn produce_attestation(
fn produce_attestation_data(
&self,
slot: Slot,
shard: u64,

13
eth2/operation_pool/Cargo.toml Normal file
View File

@ -0,0 +1,13 @@
[package]
name = "operation_pool"
version = "0.1.0"
authors = ["Michael Sproul <michael@sigmaprime.io>"]
edition = "2018"
[dependencies]
int_to_bytes = { path = "../utils/int_to_bytes" }
itertools = "0.8"
parking_lot = "0.7"
types = { path = "../types" }
state_processing = { path = "../state_processing" }
ssz = { path = "../utils/ssz" }

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eth2/operation_pool/src/lib.rs Normal file
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use int_to_bytes::int_to_bytes8;
use itertools::Itertools;
use parking_lot::RwLock;
use ssz::ssz_encode;
use state_processing::per_block_processing::errors::{
AttestationValidationError, AttesterSlashingValidationError, DepositValidationError,
ExitValidationError, ProposerSlashingValidationError, TransferValidationError,
};
use state_processing::per_block_processing::{
gather_attester_slashing_indices_modular, validate_attestation,
validate_attestation_time_independent_only, verify_attester_slashing, verify_deposit,
verify_exit, verify_exit_time_independent_only, verify_proposer_slashing, verify_transfer,
verify_transfer_time_independent_only,
};
use std::collections::{btree_map::Entry, hash_map, BTreeMap, HashMap, HashSet};
use types::chain_spec::Domain;
use types::{
Attestation, AttestationData, AttesterSlashing, BeaconState, ChainSpec, Deposit, Epoch,
ProposerSlashing, Transfer, Validator, VoluntaryExit,
};
#[cfg(test)]
const VERIFY_DEPOSIT_PROOFS: bool = false;
#[cfg(not(test))]
const VERIFY_DEPOSIT_PROOFS: bool = false; // TODO: enable this
#[derive(Default)]
pub struct OperationPool {
/// Map from attestation ID (see below) to vectors of attestations.
attestations: RwLock<HashMap<AttestationId, Vec<Attestation>>>,
/// Map from deposit index to deposit data.
// NOTE: We assume that there is only one deposit per index
// because the Eth1 data is updated (at most) once per epoch,
// and the spec doesn't seem to accomodate for re-orgs on a time-frame
// longer than an epoch
deposits: RwLock<BTreeMap<u64, Deposit>>,
/// Map from two attestation IDs to a slashing for those IDs.
attester_slashings: RwLock<HashMap<(AttestationId, AttestationId), AttesterSlashing>>,
/// Map from proposer index to slashing.
proposer_slashings: RwLock<HashMap<u64, ProposerSlashing>>,
/// Map from exiting validator to their exit data.
voluntary_exits: RwLock<HashMap<u64, VoluntaryExit>>,
/// Set of transfers.
transfers: RwLock<HashSet<Transfer>>,
}
/// Serialized `AttestationData` augmented with a domain to encode the fork info.
#[derive(PartialEq, Eq, Clone, Hash, Debug)]
struct AttestationId(Vec<u8>);
/// Number of domain bytes that the end of an attestation ID is padded with.
const DOMAIN_BYTES_LEN: usize = 8;
impl AttestationId {
fn from_data(attestation: &AttestationData, state: &BeaconState, spec: &ChainSpec) -> Self {
let mut bytes = ssz_encode(attestation);
let epoch = attestation.slot.epoch(spec.slots_per_epoch);
bytes.extend_from_slice(&AttestationId::compute_domain_bytes(epoch, state, spec));
AttestationId(bytes)
}
fn compute_domain_bytes(epoch: Epoch, state: &BeaconState, spec: &ChainSpec) -> Vec<u8> {
int_to_bytes8(spec.get_domain(epoch, Domain::Attestation, &state.fork))
}
fn domain_bytes_match(&self, domain_bytes: &[u8]) -> bool {
&self.0[self.0.len() - DOMAIN_BYTES_LEN..] == domain_bytes
}
}
/// Compute a fitness score for an attestation.
///
/// The score is calculated by determining the number of *new* attestations that
/// the aggregate attestation introduces, and is proportional to the size of the reward we will
/// receive for including it in a block.
// TODO: this could be optimised with a map from validator index to whether that validator has
// attested in each of the current and previous epochs. Currently quadractic in number of validators.
fn attestation_score(attestation: &Attestation, state: &BeaconState, spec: &ChainSpec) -> usize {
// Bitfield of validators whose attestations are new/fresh.
let mut new_validators = attestation.aggregation_bitfield.clone();
let attestation_epoch = attestation.data.slot.epoch(spec.slots_per_epoch);
let state_attestations = if attestation_epoch == state.current_epoch(spec) {
&state.current_epoch_attestations
} else if attestation_epoch == state.previous_epoch(spec) {
&state.previous_epoch_attestations
} else {
return 0;
};
state_attestations
.iter()
// In a single epoch, an attester should only be attesting for one shard.
// TODO: we avoid including slashable attestations in the state here,
// but maybe we should do something else with them (like construct slashings).
.filter(|current_attestation| current_attestation.data.shard == attestation.data.shard)
.for_each(|current_attestation| {
// Remove the validators who have signed the existing attestation (they are not new)
new_validators.difference_inplace(&current_attestation.aggregation_bitfield);
});
new_validators.num_set_bits()
}
#[derive(Debug, PartialEq, Clone)]
pub enum DepositInsertStatus {
/// The deposit was not already in the pool.
Fresh,
/// The deposit already existed in the pool.
Duplicate,
/// The deposit conflicted with an existing deposit, which was replaced.
Replaced(Box<Deposit>),
}
impl OperationPool {
/// Create a new operation pool.
pub fn new() -> Self {
Self::default()
}
/// Insert an attestation into the pool, aggregating it with existing attestations if possible.
pub fn insert_attestation(
&self,
attestation: Attestation,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), AttestationValidationError> {
// Check that attestation signatures are valid.
validate_attestation_time_independent_only(state, &attestation, spec)?;
let id = AttestationId::from_data(&attestation.data, state, spec);
// Take a write lock on the attestations map.
let mut attestations = self.attestations.write();
let existing_attestations = match attestations.entry(id) {
hash_map::Entry::Vacant(entry) => {
entry.insert(vec![attestation]);
return Ok(());
}
hash_map::Entry::Occupied(entry) => entry.into_mut(),
};
let mut aggregated = false;
for existing_attestation in existing_attestations.iter_mut() {
if existing_attestation.signers_disjoint_from(&attestation) {
existing_attestation.aggregate(&attestation);
aggregated = true;
} else if *existing_attestation == attestation {
aggregated = true;
}
}
if !aggregated {
existing_attestations.push(attestation);
}
Ok(())
}
/// Total number of attestations in the pool, including attestations for the same data.
pub fn num_attestations(&self) -> usize {
self.attestations
.read()
.values()
.map(|atts| atts.len())
.sum()
}
/// Get a list of attestations for inclusion in a block.
pub fn get_attestations(&self, state: &BeaconState, spec: &ChainSpec) -> Vec<Attestation> {
// Attestations for the current fork, which may be from the current or previous epoch.
let prev_epoch = state.previous_epoch(spec);
let current_epoch = state.current_epoch(spec);
let prev_domain_bytes = AttestationId::compute_domain_bytes(prev_epoch, state, spec);
let curr_domain_bytes = AttestationId::compute_domain_bytes(current_epoch, state, spec);
self.attestations
.read()
.iter()
.filter(|(key, _)| {
key.domain_bytes_match(&prev_domain_bytes)
|| key.domain_bytes_match(&curr_domain_bytes)
})
.flat_map(|(_, attestations)| attestations)
// That are not superseded by an attestation included in the state...
.filter(|attestation| !superior_attestation_exists_in_state(state, attestation))
// That are valid...
.filter(|attestation| validate_attestation(state, attestation, spec).is_ok())
// Scored by the number of new attestations they introduce (descending)
// TODO: need to consider attestations introduced in THIS block
.map(|att| (att, attestation_score(att, state, spec)))
// Don't include any useless attestations (score 0)
.filter(|&(_, score)| score != 0)
.sorted_by_key(|&(_, score)| std::cmp::Reverse(score))
// Limited to the maximum number of attestations per block
.take(spec.max_attestations as usize)
.map(|(att, _)| att)
.cloned()
.collect()
}
/// Remove attestations which are too old to be included in a block.
// TODO: we could probably prune other attestations here:
// - ones that are completely covered by attestations included in the state
// - maybe ones invalidated by the confirmation of one fork over another
pub fn prune_attestations(&self, finalized_state: &BeaconState, spec: &ChainSpec) {
self.attestations.write().retain(|_, attestations| {
// All the attestations in this bucket have the same data, so we only need to
// check the first one.
attestations.first().map_or(false, |att| {
finalized_state.slot < att.data.slot + spec.slots_per_epoch
})
});
}
/// Add a deposit to the pool.
///
/// No two distinct deposits should be added with the same index.
pub fn insert_deposit(
&self,
deposit: Deposit,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<DepositInsertStatus, DepositValidationError> {
use DepositInsertStatus::*;
match self.deposits.write().entry(deposit.index) {
Entry::Vacant(entry) => {
verify_deposit(state, &deposit, VERIFY_DEPOSIT_PROOFS, spec)?;
entry.insert(deposit);
Ok(Fresh)
}
Entry::Occupied(mut entry) => {
if entry.get() == &deposit {
Ok(Duplicate)
} else {
verify_deposit(state, &deposit, VERIFY_DEPOSIT_PROOFS, spec)?;
Ok(Replaced(Box::new(entry.insert(deposit))))
}
}
}
}
/// Get an ordered list of deposits for inclusion in a block.
///
/// Take at most the maximum number of deposits, beginning from the current deposit index.
pub fn get_deposits(&self, state: &BeaconState, spec: &ChainSpec) -> Vec<Deposit> {
let start_idx = state.deposit_index;
(start_idx..start_idx + spec.max_deposits)
.map(|idx| self.deposits.read().get(&idx).cloned())
.take_while(Option::is_some)
.flatten()
.collect()
}
/// Remove all deposits with index less than the deposit index of the latest finalised block.
pub fn prune_deposits(&self, state: &BeaconState) -> BTreeMap<u64, Deposit> {
let deposits_keep = self.deposits.write().split_off(&state.deposit_index);
std::mem::replace(&mut self.deposits.write(), deposits_keep)
}
/// The number of deposits stored in the pool.
pub fn num_deposits(&self) -> usize {
self.deposits.read().len()
}
/// Insert a proposer slashing into the pool.
pub fn insert_proposer_slashing(
&self,
slashing: ProposerSlashing,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), ProposerSlashingValidationError> {
// TODO: should maybe insert anyway if the proposer is unknown in the validator index,
// because they could *become* known later
verify_proposer_slashing(&slashing, state, spec)?;
self.proposer_slashings
.write()
.insert(slashing.proposer_index, slashing);
Ok(())
}
/// Compute the tuple ID that is used to identify an attester slashing.
///
/// Depends on the fork field of the state, but not on the state's epoch.
fn attester_slashing_id(
slashing: &AttesterSlashing,
state: &BeaconState,
spec: &ChainSpec,
) -> (AttestationId, AttestationId) {
(
AttestationId::from_data(&slashing.slashable_attestation_1.data, state, spec),
AttestationId::from_data(&slashing.slashable_attestation_2.data, state, spec),
)
}
/// Insert an attester slashing into the pool.
pub fn insert_attester_slashing(
&self,
slashing: AttesterSlashing,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), AttesterSlashingValidationError> {
verify_attester_slashing(state, &slashing, true, spec)?;
let id = Self::attester_slashing_id(&slashing, state, spec);
self.attester_slashings.write().insert(id, slashing);
Ok(())
}
/// Get proposer and attester slashings for inclusion in a block.
///
/// This function computes both types of slashings together, because
/// attester slashings may be invalidated by proposer slashings included
/// earlier in the block.
pub fn get_slashings(
&self,
state: &BeaconState,
spec: &ChainSpec,
) -> (Vec<ProposerSlashing>, Vec<AttesterSlashing>) {
let proposer_slashings = filter_limit_operations(
self.proposer_slashings.read().values(),
|slashing| {
state
.validator_registry
.get(slashing.proposer_index as usize)
.map_or(false, |validator| !validator.slashed)
},
spec.max_proposer_slashings,
);
// Set of validators to be slashed, so we don't attempt to construct invalid attester
// slashings.
let mut to_be_slashed = proposer_slashings
.iter()
.map(|s| s.proposer_index)
.collect::<HashSet<_>>();
let attester_slashings = self
.attester_slashings
.read()
.iter()
.filter(|(id, slashing)| {
// Check the fork.
Self::attester_slashing_id(slashing, state, spec) == **id
})
.filter(|(_, slashing)| {
// Take all slashings that will slash 1 or more validators.
let slashed_validators = gather_attester_slashing_indices_modular(
state,
slashing,
|index, validator| validator.slashed || to_be_slashed.contains(&index),
spec,
);
// Extend the `to_be_slashed` set so subsequent iterations don't try to include
// useless slashings.
if let Ok(validators) = slashed_validators {
to_be_slashed.extend(validators);
true
} else {
false
}
})
.take(spec.max_attester_slashings as usize)
.map(|(_, slashing)| slashing.clone())
.collect();
(proposer_slashings, attester_slashings)
}
/// Prune proposer slashings for all slashed or withdrawn validators.
pub fn prune_proposer_slashings(&self, finalized_state: &BeaconState, spec: &ChainSpec) {
prune_validator_hash_map(
&mut self.proposer_slashings.write(),
|validator| {
validator.slashed
|| validator.is_withdrawable_at(finalized_state.current_epoch(spec))
},
finalized_state,
);
}
/// Prune attester slashings for all slashed or withdrawn validators, or attestations on another
/// fork.
pub fn prune_attester_slashings(&self, finalized_state: &BeaconState, spec: &ChainSpec) {
self.attester_slashings.write().retain(|id, slashing| {
let fork_ok = &Self::attester_slashing_id(slashing, finalized_state, spec) == id;
let curr_epoch = finalized_state.current_epoch(spec);
let slashing_ok = gather_attester_slashing_indices_modular(
finalized_state,
slashing,
|_, validator| validator.slashed || validator.is_withdrawable_at(curr_epoch),
spec,
)
.is_ok();
fork_ok && slashing_ok
});
}
/// Insert a voluntary exit, validating it almost-entirely (future exits are permitted).
pub fn insert_voluntary_exit(
&self,
exit: VoluntaryExit,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), ExitValidationError> {
verify_exit_time_independent_only(state, &exit, spec)?;
self.voluntary_exits
.write()
.insert(exit.validator_index, exit);
Ok(())
}
/// Get a list of voluntary exits for inclusion in a block.
pub fn get_voluntary_exits(&self, state: &BeaconState, spec: &ChainSpec) -> Vec<VoluntaryExit> {
filter_limit_operations(
self.voluntary_exits.read().values(),
|exit| verify_exit(state, exit, spec).is_ok(),
spec.max_voluntary_exits,
)
}
/// Prune if validator has already exited at the last finalized state.
pub fn prune_voluntary_exits(&self, finalized_state: &BeaconState, spec: &ChainSpec) {
prune_validator_hash_map(
&mut self.voluntary_exits.write(),
|validator| validator.is_exited_at(finalized_state.current_epoch(spec)),
finalized_state,
);
}
/// Insert a transfer into the pool, checking it for validity in the process.
pub fn insert_transfer(
&self,
transfer: Transfer,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), TransferValidationError> {
// The signature of the transfer isn't hashed, but because we check
// it before we insert into the HashSet, we can't end up with duplicate
// transactions.
verify_transfer_time_independent_only(state, &transfer, spec)?;
self.transfers.write().insert(transfer);
Ok(())
}
/// Get a list of transfers for inclusion in a block.
// TODO: improve the economic optimality of this function by accounting for
// dependencies between transfers in the same block e.g. A pays B, B pays C
pub fn get_transfers(&self, state: &BeaconState, spec: &ChainSpec) -> Vec<Transfer> {
self.transfers
.read()
.iter()
.filter(|transfer| verify_transfer(state, transfer, spec).is_ok())
.sorted_by_key(|transfer| std::cmp::Reverse(transfer.fee))
.take(spec.max_transfers as usize)
.cloned()
.collect()
}
/// Prune the set of transfers by removing all those whose slot has already passed.
pub fn prune_transfers(&self, finalized_state: &BeaconState) {
self.transfers
.write()
.retain(|transfer| transfer.slot > finalized_state.slot)
}
/// Prune all types of transactions given the latest finalized state.
pub fn prune_all(&self, finalized_state: &BeaconState, spec: &ChainSpec) {
self.prune_attestations(finalized_state, spec);
self.prune_deposits(finalized_state);
self.prune_proposer_slashings(finalized_state, spec);
self.prune_attester_slashings(finalized_state, spec);
self.prune_voluntary_exits(finalized_state, spec);
self.prune_transfers(finalized_state);
}
}
/// Returns `true` if the state already contains a `PendingAttestation` that is superior to the
/// given `attestation`.
///
/// A validator has nothing to gain from re-including an attestation and it adds load to the
/// network.
///
/// An existing `PendingAttestation` is superior to an existing `attestation` if:
///
/// - Their `AttestationData` is equal.
/// - `attestation` does not contain any signatures that `PendingAttestation` does not have.
fn superior_attestation_exists_in_state(state: &BeaconState, attestation: &Attestation) -> bool {
state
.current_epoch_attestations
.iter()
.chain(state.previous_epoch_attestations.iter())
.any(|existing_attestation| {
let bitfield = &attestation.aggregation_bitfield;
let existing_bitfield = &existing_attestation.aggregation_bitfield;
existing_attestation.data == attestation.data
&& bitfield.intersection(existing_bitfield).num_set_bits()
== bitfield.num_set_bits()
})
}
/// Filter up to a maximum number of operations out of an iterator.
fn filter_limit_operations<'a, T: 'a, I, F>(operations: I, filter: F, limit: u64) -> Vec<T>
where
I: IntoIterator<Item = &'a T>,
F: Fn(&T) -> bool,
T: Clone,
{
operations
.into_iter()
.filter(|x| filter(*x))
.take(limit as usize)
.cloned()
.collect()
}
/// Remove all entries from the given hash map for which `prune_if` returns true.
///
/// The keys in the map should be validator indices, which will be looked up
/// in the state's validator registry and then passed to `prune_if`.
/// Entries for unknown validators will be kept.
fn prune_validator_hash_map<T, F>(
map: &mut HashMap<u64, T>,
prune_if: F,
finalized_state: &BeaconState,
) where
F: Fn(&Validator) -> bool,
{
map.retain(|&validator_index, _| {
finalized_state
.validator_registry
.get(validator_index as usize)
.map_or(true, |validator| !prune_if(validator))
});
}
#[cfg(test)]
mod tests {
use super::DepositInsertStatus::*;
use super::*;
use types::test_utils::*;
use types::*;
#[test]
fn insert_deposit() {
let rng = &mut XorShiftRng::from_seed([42; 16]);
let (ref spec, ref state) = test_state(rng);
let op_pool = OperationPool::new();
let deposit1 = make_deposit(rng, state, spec);
let mut deposit2 = make_deposit(rng, state, spec);
deposit2.index = deposit1.index;
assert_eq!(
op_pool.insert_deposit(deposit1.clone(), state, spec),
Ok(Fresh)
);
assert_eq!(
op_pool.insert_deposit(deposit1.clone(), state, spec),
Ok(Duplicate)
);
assert_eq!(
op_pool.insert_deposit(deposit2, state, spec),
Ok(Replaced(Box::new(deposit1)))
);
}
#[test]
fn get_deposits_max() {
let rng = &mut XorShiftRng::from_seed([42; 16]);
let (spec, mut state) = test_state(rng);
let op_pool = OperationPool::new();
let start = 10000;
let max_deposits = spec.max_deposits;
let extra = 5;
let offset = 1;
assert!(offset <= extra);
let deposits = dummy_deposits(rng, &state, &spec, start, max_deposits + extra);
for deposit in &deposits {
assert_eq!(
op_pool.insert_deposit(deposit.clone(), &state, &spec),
Ok(Fresh)
);
}
state.deposit_index = start + offset;
let deposits_for_block = op_pool.get_deposits(&state, &spec);
assert_eq!(deposits_for_block.len() as u64, max_deposits);
assert_eq!(
deposits_for_block[..],
deposits[offset as usize..(offset + max_deposits) as usize]
);
}
#[test]
fn prune_deposits() {
let rng = &mut XorShiftRng::from_seed([42; 16]);
let (spec, state) = test_state(rng);
let op_pool = OperationPool::new();
let start1 = 100;
// test is super slow in debug mode if this parameter is too high
let count = 5;
let gap = 25;
let start2 = start1 + count + gap;
let deposits1 = dummy_deposits(rng, &state, &spec, start1, count);
let deposits2 = dummy_deposits(rng, &state, &spec, start2, count);
for d in deposits1.into_iter().chain(deposits2) {
assert!(op_pool.insert_deposit(d, &state, &spec).is_ok());
}
assert_eq!(op_pool.num_deposits(), 2 * count as usize);
let mut state = BeaconState::random_for_test(rng);
state.deposit_index = start1;
// Pruning the first bunch of deposits in batches of 5 should work.
let step = 5;
let mut pool_size = step + 2 * count as usize;
for i in (start1..=(start1 + count)).step_by(step) {
state.deposit_index = i;
op_pool.prune_deposits(&state);
pool_size -= step;
assert_eq!(op_pool.num_deposits(), pool_size);
}
assert_eq!(pool_size, count as usize);
// Pruning in the gap should do nothing.
for i in (start1 + count..start2).step_by(step) {
state.deposit_index = i;
op_pool.prune_deposits(&state);
assert_eq!(op_pool.num_deposits(), count as usize);
}
// Same again for the later deposits.
pool_size += step;
for i in (start2..=(start2 + count)).step_by(step) {
state.deposit_index = i;
op_pool.prune_deposits(&state);
pool_size -= step;
assert_eq!(op_pool.num_deposits(), pool_size);
}
assert_eq!(op_pool.num_deposits(), 0);
}
// Create a random deposit (with a valid proof of posession)
fn make_deposit(rng: &mut XorShiftRng, state: &BeaconState, spec: &ChainSpec) -> Deposit {
let keypair = Keypair::random();
let mut deposit = Deposit::random_for_test(rng);
let mut deposit_input = DepositInput {
pubkey: keypair.pk.clone(),
withdrawal_credentials: Hash256::zero(),
proof_of_possession: Signature::empty_signature(),
};
deposit_input.proof_of_possession = deposit_input.create_proof_of_possession(
&keypair.sk,
state.slot.epoch(spec.slots_per_epoch),
&state.fork,
spec,
);
deposit.deposit_data.deposit_input = deposit_input;
deposit
}
// Create `count` dummy deposits with sequential deposit IDs beginning from `start`.
fn dummy_deposits(
rng: &mut XorShiftRng,
state: &BeaconState,
spec: &ChainSpec,
start: u64,
count: u64,
) -> Vec<Deposit> {
let proto_deposit = make_deposit(rng, state, spec);
(start..start + count)
.map(|index| {
let mut deposit = proto_deposit.clone();
deposit.index = index;
deposit
})
.collect()
}
fn test_state(rng: &mut XorShiftRng) -> (ChainSpec, BeaconState) {
let spec = ChainSpec::foundation();
let mut state = BeaconState::random_for_test(rng);
state.fork = Fork::genesis(&spec);
(spec, state)
}
/// Create a signed attestation for use in tests.
/// Signed by all validators in `committee[signing_range]` and `committee[extra_signer]`.
#[cfg(not(debug_assertions))]
fn signed_attestation<R: std::slice::SliceIndex<[usize], Output = [usize]>>(
committee: &CrosslinkCommittee,
keypairs: &[Keypair],
signing_range: R,
slot: Slot,
state: &BeaconState,
spec: &ChainSpec,
extra_signer: Option<usize>,
) -> Attestation {
let mut builder = TestingAttestationBuilder::new(
state,
&committee.committee,
slot,
committee.shard,
spec,
);
let signers = &committee.committee[signing_range];
let committee_keys = signers.iter().map(|&i| &keypairs[i].sk).collect::<Vec<_>>();
builder.sign(signers, &committee_keys, &state.fork, spec);
extra_signer.map(|c_idx| {
let validator_index = committee.committee[c_idx];
builder.sign(
&[validator_index],
&[&keypairs[validator_index].sk],
&state.fork,
spec,
)
});
builder.build()
}
/// Test state for attestation-related tests.
#[cfg(not(debug_assertions))]
fn attestation_test_state(
spec: &ChainSpec,
num_committees: usize,
) -> (BeaconState, Vec<Keypair>) {
let num_validators =
num_committees * (spec.slots_per_epoch * spec.target_committee_size) as usize;
let mut state_builder =
TestingBeaconStateBuilder::from_default_keypairs_file_if_exists(num_validators, spec);
let slot_offset = 1000 * spec.slots_per_epoch + spec.slots_per_epoch / 2;
let slot = spec.genesis_slot + slot_offset;
state_builder.teleport_to_slot(slot, spec);
state_builder.build_caches(spec).unwrap();
state_builder.build()
}
/// Set the latest crosslink in the state to match the attestation.
#[cfg(not(debug_assertions))]
fn fake_latest_crosslink(att: &Attestation, state: &mut BeaconState, spec: &ChainSpec) {
state.latest_crosslinks[att.data.shard as usize] = Crosslink {
crosslink_data_root: att.data.crosslink_data_root,
epoch: att.data.slot.epoch(spec.slots_per_epoch),
};
}
#[test]
#[cfg(not(debug_assertions))]
fn test_attestation_score() {
let spec = &ChainSpec::foundation();
let (ref mut state, ref keypairs) = attestation_test_state(spec, 1);
let slot = state.slot - 1;
let committees = state
.get_crosslink_committees_at_slot(slot, spec)
.unwrap()
.clone();
for committee in committees {
let att1 = signed_attestation(&committee, keypairs, ..2, slot, state, spec, None);
let att2 = signed_attestation(&committee, keypairs, .., slot, state, spec, None);
assert_eq!(
att1.aggregation_bitfield.num_set_bits(),
attestation_score(&att1, state, spec)
);
state
.current_epoch_attestations
.push(PendingAttestation::from_attestation(&att1, state.slot));
assert_eq!(
committee.committee.len() - 2,
attestation_score(&att2, state, spec)
);
}
}
/// End-to-end test of basic attestation handling.
#[test]
#[cfg(not(debug_assertions))]
fn attestation_aggregation_insert_get_prune() {
let spec = &ChainSpec::foundation();
let (ref mut state, ref keypairs) = attestation_test_state(spec, 1);
let op_pool = OperationPool::new();
let slot = state.slot - 1;
let committees = state
.get_crosslink_committees_at_slot(slot, spec)
.unwrap()
.clone();
assert_eq!(
committees.len(),
1,
"we expect just one committee with this many validators"
);
for committee in &committees {
let step_size = 2;
for i in (0..committee.committee.len()).step_by(step_size) {
let att = signed_attestation(
committee,
keypairs,
i..i + step_size,
slot,
state,
spec,
None,
);
fake_latest_crosslink(&att, state, spec);
op_pool.insert_attestation(att, state, spec).unwrap();
}
}
assert_eq!(op_pool.attestations.read().len(), committees.len());
assert_eq!(op_pool.num_attestations(), committees.len());
// Before the min attestation inclusion delay, get_attestations shouldn't return anything.
assert_eq!(op_pool.get_attestations(state, spec).len(), 0);
// Then once the delay has elapsed, we should get a single aggregated attestation.
state.slot += spec.min_attestation_inclusion_delay;
let block_attestations = op_pool.get_attestations(state, spec);
assert_eq!(block_attestations.len(), committees.len());
let agg_att = &block_attestations[0];
assert_eq!(
agg_att.aggregation_bitfield.num_set_bits(),
spec.target_committee_size as usize
);
// Prune attestations shouldn't do anything at this point.
op_pool.prune_attestations(state, spec);
assert_eq!(op_pool.num_attestations(), committees.len());
// But once we advance to an epoch after the attestation, it should prune it out of
// existence.
state.slot = slot + spec.slots_per_epoch;
op_pool.prune_attestations(state, spec);
assert_eq!(op_pool.num_attestations(), 0);
}
/// Adding an attestation already in the pool should not increase the size of the pool.
#[test]
#[cfg(not(debug_assertions))]
fn attestation_duplicate() {
let spec = &ChainSpec::foundation();
let (ref mut state, ref keypairs) = attestation_test_state(spec, 1);
let op_pool = OperationPool::new();
let slot = state.slot - 1;
let committees = state
.get_crosslink_committees_at_slot(slot, spec)
.unwrap()
.clone();
for committee in &committees {
let att = signed_attestation(committee, keypairs, .., slot, state, spec, None);
fake_latest_crosslink(&att, state, spec);
op_pool
.insert_attestation(att.clone(), state, spec)
.unwrap();
op_pool.insert_attestation(att, state, spec).unwrap();
}
assert_eq!(op_pool.num_attestations(), committees.len());
}
/// Adding lots of attestations that only intersect pairwise should lead to two aggregate
/// attestations.
#[test]
#[cfg(not(debug_assertions))]
fn attestation_pairwise_overlapping() {
let spec = &ChainSpec::foundation();
let (ref mut state, ref keypairs) = attestation_test_state(spec, 1);
let op_pool = OperationPool::new();
let slot = state.slot - 1;
let committees = state
.get_crosslink_committees_at_slot(slot, spec)
.unwrap()
.clone();
let step_size = 2;
for committee in &committees {
// Create attestations that overlap on `step_size` validators, like:
// {0,1,2,3}, {2,3,4,5}, {4,5,6,7}, ...
for i in (0..committee.committee.len() - step_size).step_by(step_size) {
let att = signed_attestation(
committee,
keypairs,
i..i + 2 * step_size,
slot,
state,
spec,
None,
);
fake_latest_crosslink(&att, state, spec);
op_pool.insert_attestation(att, state, spec).unwrap();
}
}
// The attestations should get aggregated into two attestations that comprise all
// validators.
assert_eq!(op_pool.attestations.read().len(), committees.len());
assert_eq!(op_pool.num_attestations(), 2 * committees.len());
}
/// Create a bunch of attestations signed by a small number of validators, and another
/// bunch signed by a larger number, such that there are at least `max_attestations`
/// signed by the larger number. Then, check that `get_attestations` only returns the
/// high-quality attestations. To ensure that no aggregation occurs, ALL attestations
/// are also signed by the 0th member of the committee.
#[test]
#[cfg(not(debug_assertions))]
fn attestation_get_max() {
let spec = &ChainSpec::foundation();
let small_step_size = 2;
let big_step_size = 4;
let (ref mut state, ref keypairs) = attestation_test_state(spec, big_step_size);
let op_pool = OperationPool::new();
let slot = state.slot - 1;
let committees = state
.get_crosslink_committees_at_slot(slot, spec)
.unwrap()
.clone();
let max_attestations = spec.max_attestations as usize;
let target_committee_size = spec.target_committee_size as usize;
let mut insert_attestations = |committee, step_size| {
for i in (0..target_committee_size).step_by(step_size) {
let att = signed_attestation(
committee,
keypairs,
i..i + step_size,
slot,
state,
spec,
if i == 0 { None } else { Some(0) },
);
fake_latest_crosslink(&att, state, spec);
op_pool.insert_attestation(att, state, spec).unwrap();
}
};
for committee in &committees {
assert_eq!(committee.committee.len(), target_committee_size);
// Attestations signed by only 2-3 validators
insert_attestations(committee, small_step_size);
// Attestations signed by 4+ validators
insert_attestations(committee, big_step_size);
}
let num_small = target_committee_size / small_step_size;
let num_big = target_committee_size / big_step_size;
assert_eq!(op_pool.attestations.read().len(), committees.len());
assert_eq!(
op_pool.num_attestations(),
(num_small + num_big) * committees.len()
);
assert!(op_pool.num_attestations() > max_attestations);
state.slot += spec.min_attestation_inclusion_delay;
let best_attestations = op_pool.get_attestations(state, spec);
assert_eq!(best_attestations.len(), max_attestations);
// All the best attestations should be signed by at least `big_step_size` (4) validators.
for att in &best_attestations {
assert!(att.aggregation_bitfield.num_set_bits() >= big_step_size);
}
}
// TODO: more tests
}

1
eth2/state_processing/Cargo.toml
View File

@ -14,6 +14,7 @@ env_logger = "0.6.0"
serde = "1.0"
serde_derive = "1.0"
serde_yaml = "0.8"
yaml-utils = { path = "yaml_utils" }
[dependencies]
bls = { path = "../utils/bls" }

708
eth2/state_processing/specs/example.yml
View File

@ -1,708 +0,0 @@
title: Sanity tests -- small config -- 32 validators
summary: Basic sanity checks from phase 0 spec pythonization using a small state configuration and 32 validators.
All tests are run with `verify_signatures` as set to False.
Tests generated via https://github.com/ethereum/research/blob/master/spec_pythonizer/sanity_check.py
test_suite: beacon_state
fork: phase0-0.5.0
test_cases:
- name: test_empty_block_transition
config:
SHARD_COUNT: 8
TARGET_COMMITTEE_SIZE: 4
MAX_BALANCE_CHURN_QUOTIENT: 32
MAX_INDICES_PER_SLASHABLE_VOTE: 4096
MAX_EXIT_DEQUEUES_PER_EPOCH: 4
SHUFFLE_ROUND_COUNT: 90
DEPOSIT_CONTRACT_TREE_DEPTH: 32
MIN_DEPOSIT_AMOUNT: 1000000000
MAX_DEPOSIT_AMOUNT: 32000000000
FORK_CHOICE_BALANCE_INCREMENT: 1000000000
EJECTION_BALANCE: 16000000000
GENESIS_FORK_VERSION: 0
GENESIS_SLOT: 4294967296
GENESIS_EPOCH: 536870912
GENESIS_START_SHARD: 0
BLS_WITHDRAWAL_PREFIX_BYTE: '0x00'
SECONDS_PER_SLOT: 6
MIN_ATTESTATION_INCLUSION_DELAY: 2
SLOTS_PER_EPOCH: 8
MIN_SEED_LOOKAHEAD: 1
ACTIVATION_EXIT_DELAY: 4
EPOCHS_PER_ETH1_VOTING_PERIOD: 16
SLOTS_PER_HISTORICAL_ROOT: 64
MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
PERSISTENT_COMMITTEE_PERIOD: 2048
LATEST_RANDAO_MIXES_LENGTH: 64
LATEST_ACTIVE_INDEX_ROOTS_LENGTH: 64
LATEST_SLASHED_EXIT_LENGTH: 64
BASE_REWARD_QUOTIENT: 32
WHISTLEBLOWER_REWARD_QUOTIENT: 512
ATTESTATION_INCLUSION_REWARD_QUOTIENT: 8
INACTIVITY_PENALTY_QUOTIENT: 16777216
MIN_PENALTY_QUOTIENT: 32
MAX_PROPOSER_SLASHINGS: 16
MAX_ATTESTER_SLASHINGS: 1
MAX_ATTESTATIONS: 128
MAX_DEPOSITS: 16
MAX_VOLUNTARY_EXITS: 16
MAX_TRANSFERS: 16
DOMAIN_BEACON_BLOCK: 0
DOMAIN_RANDAO: 1
DOMAIN_ATTESTATION: 2
DOMAIN_DEPOSIT: 3
DOMAIN_VOLUNTARY_EXIT: 4
DOMAIN_TRANSFER: 5
verify_signatures: false
initial_state:
slot: 4294967296
genesis_time: 0
fork:
previous_version: '0x00000000'
current_version: '0x00000000'
epoch: 536870912
validator_registry:
- pubkey: '0x97f1d3a73197d7942695638c4fa9ac0fc3688c4f9774b905a14e3a3f171bac586c55e83ff97a1aeffb3af00adb22c6bb'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000001'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xa572cbea904d67468808c8eb50a9450c9721db309128012543902d0ac358a62ae28f75bb8f1c7c42c39a8c5529bf0f4e'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000002'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x89ece308f9d1f0131765212deca99697b112d61f9be9a5f1f3780a51335b3ff981747a0b2ca2179b96d2c0c9024e5224'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000003'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xac9b60d5afcbd5663a8a44b7c5a02f19e9a77ab0a35bd65809bb5c67ec582c897feb04decc694b13e08587f3ff9b5b60'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000004'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xb0e7791fb972fe014159aa33a98622da3cdc98ff707965e536d8636b5fcc5ac7a91a8c46e59a00dca575af0f18fb13dc'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000005'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xa6e82f6da4520f85c5d27d8f329eccfa05944fd1096b20734c894966d12a9e2a9a9744529d7212d33883113a0cadb909'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000006'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xb928f3beb93519eecf0145da903b40a4c97dca00b21f12ac0df3be9116ef2ef27b2ae6bcd4c5bc2d54ef5a70627efcb7'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000007'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xa85ae765588126f5e860d019c0e26235f567a9c0c0b2d8ff30f3e8d436b1082596e5e7462d20f5be3764fd473e57f9cf'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000008'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x99cdf3807146e68e041314ca93e1fee0991224ec2a74beb2866816fd0826ce7b6263ee31e953a86d1b72cc2215a57793'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000009'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xaf81da25ecf1c84b577fefbedd61077a81dc43b00304015b2b596ab67f00e41c86bb00ebd0f90d4b125eb0539891aeed'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000a'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x80fd75ebcc0a21649e3177bcce15426da0e4f25d6828fbf4038d4d7ed3bd4421de3ef61d70f794687b12b2d571971a55'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000b'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x8345dd80ffef0eaec8920e39ebb7f5e9ae9c1d6179e9129b705923df7830c67f3690cbc48649d4079eadf5397339580c'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000c'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x851f8a0b82a6d86202a61cbc3b0f3db7d19650b914587bde4715ccd372e1e40cab95517779d840416e1679c84a6db24e'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000d'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x99bef05aaba1ea467fcbc9c420f5e3153c9d2b5f9bf2c7e2e7f6946f854043627b45b008607b9a9108bb96f3c1c089d3'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000e'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x8d9e19b3f4c7c233a6112e5397309f9812a4f61f754f11dd3dcb8b07d55a7b1dfea65f19a1488a14fef9a41495083582'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000000f'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xa73eb991aa22cdb794da6fcde55a427f0a4df5a4a70de23a988b5e5fc8c4d844f66d990273267a54dd21579b7ba6a086'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000010'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xb098f178f84fc753a76bb63709e9be91eec3ff5f7f3a5f4836f34fe8a1a6d6c5578d8fd820573cef3a01e2bfef3eaf3a'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000011'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x9252a4ac3529f8b2b6e8189b95a60b8865f07f9a9b73f98d5df708511d3f68632c4c7d1e2b03e6b1d1e2c01839752ada'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000012'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xb271205227c7aa27f45f20b3ba380dfea8b51efae91fd32e552774c99e2a1237aa59c0c43f52aad99bba3783ea2f36a4'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000013'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xa272e9d1d50a4aea7d8f0583948090d0888be5777f2846800b8281139cd4aa9eee05f89b069857a3e77ccfaae1615f9c'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000014'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x9780e853f8ce7eda772c6691d25e220ca1d2ab0db51a7824b700620f7ac94c06639e91c98bb6abd78128f0ec845df8ef'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000015'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xab48aa2cc6f4a0bb63b5d67be54ac3aed10326dda304c5aeb9e942b40d6e7610478377680ab90e092ef1895e62786008'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000016'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x8c8b694b04d98a749a0763c72fc020ef61b2bb3f63ebb182cb2e568f6a8b9ca3ae013ae78317599e7e7ba2a528ec754a'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000017'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x9717182463fbe215168e6762abcbb55c5c65290f2b5a2af616f8a6f50d625b46164178a11622d21913efdfa4b800648d'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000018'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xacb58c81ae0cae2e9d4d446b730922239923c345744eee58efaadb36e9a0925545b18a987acf0bad469035b291e37269'
withdrawal_credentials: '0x0000000000000000000000000000000000000000000000000000000000000019'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x81ccc19e3b938ec2405099e90022a4218baa5082a3ca0974b24be0bc8b07e5fffaed64bef0d02c4dbfb6a307829afc5c'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000001a'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xab83dfefb120fab7665a607d749ef1765fbb3cc0ba5827a20a135402c09d987c701ddb5b60f0f5495026817e8ab6ea2e'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000001b'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0xb6ad11e5d15f77c1143b1697344911b9c590110fdd8dd09df2e58bfd757269169deefe8be3544d4e049fb3776fb0bcfb'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000001c'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
- pubkey: '0x8515e7f61ca0470e165a44d247a23f17f24bf6e37185467bedb7981c1003ea70bbec875703f793dd8d11e56afa7f74ba'
withdrawal_credentials: '0x000000000000000000000000000000000000000000000000000000000000001d'
activation_epoch: 536870912
exit_epoch: 18446744073709551615
withdrawable_epoch: 18446744073709551615
initiated_exit: false
slashed: false
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24
eth2/state_processing/src/per_block_processing.rs
View File

@ -1,4 +1,3 @@
use self::verify_proposer_slashing::verify_proposer_slashing;
use crate::common::slash_validator;
use errors::{BlockInvalid as Invalid, BlockProcessingError as Error, IntoWithIndex};
use rayon::prelude::*;
@ -6,13 +5,20 @@ use ssz::{SignedRoot, TreeHash};
use types::*;
pub use self::verify_attester_slashing::{
gather_attester_slashing_indices, verify_attester_slashing,
gather_attester_slashing_indices, gather_attester_slashing_indices_modular,
verify_attester_slashing,
};
pub use self::verify_proposer_slashing::verify_proposer_slashing;
pub use validate_attestation::{
validate_attestation, validate_attestation_time_independent_only,
validate_attestation_without_signature,
};
pub use validate_attestation::{validate_attestation, validate_attestation_without_signature};
pub use verify_deposit::{get_existing_validator_index, verify_deposit, verify_deposit_index};
pub use verify_exit::verify_exit;
pub use verify_exit::{verify_exit, verify_exit_time_independent_only};
pub use verify_slashable_attestation::verify_slashable_attestation;
pub use verify_transfer::{execute_transfer, verify_transfer};
pub use verify_transfer::{
execute_transfer, verify_transfer, verify_transfer_time_independent_only,
};
pub mod errors;
mod validate_attestation;
@ -316,13 +322,7 @@ pub fn process_attestations(
// Update the state in series.
for attestation in attestations {
let pending_attestation = PendingAttestation {
data: attestation.data.clone(),
aggregation_bitfield: attestation.aggregation_bitfield.clone(),
custody_bitfield: attestation.custody_bitfield.clone(),
inclusion_slot: state.slot,
};
let pending_attestation = PendingAttestation::from_attestation(attestation, state.slot);
let attestation_epoch = attestation.data.slot.epoch(spec.slots_per_epoch);
if attestation_epoch == state.current_epoch(spec) {

5
eth2/state_processing/src/per_block_processing/errors.rs
View File

@ -390,6 +390,11 @@ pub enum TransferInvalid {
///
/// (state_slot, transfer_slot)
StateSlotMismatch(Slot, Slot),
/// The `transfer.slot` is in the past relative to the state slot.
///
///
/// (state_slot, transfer_slot)
TransferSlotInPast(Slot, Slot),
/// The `transfer.from` validator has been activated and is not withdrawable.
///
/// (from_validator)

108
eth2/state_processing/src/per_block_processing/validate_attestation.rs
View File

@ -14,7 +14,16 @@ pub fn validate_attestation(
attestation: &Attestation,
spec: &ChainSpec,
) -> Result<(), Error> {
validate_attestation_signature_optional(state, attestation, spec, true)
validate_attestation_parametric(state, attestation, spec, true, false)
}
/// Like `validate_attestation` but doesn't run checks which may become true in future states.
pub fn validate_attestation_time_independent_only(
state: &BeaconState,
attestation: &Attestation,
spec: &ChainSpec,
) -> Result<(), Error> {
validate_attestation_parametric(state, attestation, spec, true, true)
}
/// Indicates if an `Attestation` is valid to be included in a block in the current epoch of the
@ -28,7 +37,7 @@ pub fn validate_attestation_without_signature(
attestation: &Attestation,
spec: &ChainSpec,
) -> Result<(), Error> {
validate_attestation_signature_optional(state, attestation, spec, false)
validate_attestation_parametric(state, attestation, spec, false, false)
}
/// Indicates if an `Attestation` is valid to be included in a block in the current epoch of the
@ -36,15 +45,13 @@ pub fn validate_attestation_without_signature(
///
///
/// Spec v0.5.0
fn validate_attestation_signature_optional(
fn validate_attestation_parametric(
state: &BeaconState,
attestation: &Attestation,
spec: &ChainSpec,
verify_signature: bool,
time_independent_only: bool,
) -> Result<(), Error> {
let state_epoch = state.slot.epoch(spec.slots_per_epoch);
let attestation_epoch = attestation.data.slot.epoch(spec.slots_per_epoch);
// Can't submit pre-historic attestations.
verify!(
attestation.data.slot >= spec.genesis_slot,
@ -65,7 +72,8 @@ fn validate_attestation_signature_optional(
// Can't submit attestation too quickly.
verify!(
attestation.data.slot + spec.min_attestation_inclusion_delay <= state.slot,
time_independent_only
|| attestation.data.slot + spec.min_attestation_inclusion_delay <= state.slot,
Invalid::IncludedTooEarly {
state: state.slot,
delay: spec.min_attestation_inclusion_delay,
@ -74,40 +82,8 @@ fn validate_attestation_signature_optional(
);
// Verify the justified epoch and root is correct.
if attestation_epoch >= state_epoch {
verify!(
attestation.data.source_epoch == state.current_justified_epoch,
Invalid::WrongJustifiedEpoch {
state: state.current_justified_epoch,
attestation: attestation.data.source_epoch,
is_current: true,
}
);
verify!(
attestation.data.source_root == state.current_justified_root,
Invalid::WrongJustifiedRoot {
state: state.current_justified_root,
attestation: attestation.data.source_root,
is_current: true,
}
);
} else {
verify!(
attestation.data.source_epoch == state.previous_justified_epoch,
Invalid::WrongJustifiedEpoch {
state: state.previous_justified_epoch,
attestation: attestation.data.source_epoch,
is_current: false,
}
);
verify!(
attestation.data.source_root == state.previous_justified_root,
Invalid::WrongJustifiedRoot {
state: state.previous_justified_root,
attestation: attestation.data.source_root,
is_current: true,
}
);
if !time_independent_only {
verify_justified_epoch_and_root(attestation, state, spec)?;
}
// Check that the crosslink data is valid.
@ -188,6 +164,56 @@ fn validate_attestation_signature_optional(
Ok(())
}
/// Verify that the `source_epoch` and `source_root` of an `Attestation` correctly
/// match the current (or previous) justified epoch and root from the state.
///
/// Spec v0.5.0
fn verify_justified_epoch_and_root(
attestation: &Attestation,
state: &BeaconState,
spec: &ChainSpec,
) -> Result<(), Error> {
let state_epoch = state.slot.epoch(spec.slots_per_epoch);
let attestation_epoch = attestation.data.slot.epoch(spec.slots_per_epoch);
if attestation_epoch >= state_epoch {
verify!(
attestation.data.source_epoch == state.current_justified_epoch,
Invalid::WrongJustifiedEpoch {
state: state.current_justified_epoch,
attestation: attestation.data.source_epoch,
is_current: true,
}
);
verify!(
attestation.data.source_root == state.current_justified_root,
Invalid::WrongJustifiedRoot {
state: state.current_justified_root,
attestation: attestation.data.source_root,
is_current: true,
}
);
} else {
verify!(
attestation.data.source_epoch == state.previous_justified_epoch,
Invalid::WrongJustifiedEpoch {
state: state.previous_justified_epoch,
attestation: attestation.data.source_epoch,
is_current: false,
}
);
verify!(
attestation.data.source_root == state.previous_justified_root,
Invalid::WrongJustifiedRoot {
state: state.previous_justified_root,
attestation: attestation.data.source_root,
is_current: true,
}
);
}
Ok(())
}
/// Verifies an aggregate signature for some given `AttestationData`, returning `true` if the
/// `aggregate_signature` is valid.
///

21
eth2/state_processing/src/per_block_processing/verify_attester_slashing.rs
View File

@ -47,6 +47,25 @@ pub fn gather_attester_slashing_indices(
attester_slashing: &AttesterSlashing,
spec: &ChainSpec,
) -> Result<Vec<u64>, Error> {
gather_attester_slashing_indices_modular(
state,
attester_slashing,
|_, validator| validator.slashed,
spec,
)
}
/// Same as `gather_attester_slashing_indices` but allows the caller to specify the criteria
/// for determining whether a given validator should be considered slashed.
pub fn gather_attester_slashing_indices_modular<F>(
state: &BeaconState,
attester_slashing: &AttesterSlashing,
is_slashed: F,
spec: &ChainSpec,
) -> Result<Vec<u64>, Error>
where
F: Fn(u64, &Validator) -> bool,
{
let slashable_attestation_1 = &attester_slashing.slashable_attestation_1;
let slashable_attestation_2 = &attester_slashing.slashable_attestation_2;
@ -57,7 +76,7 @@ pub fn gather_attester_slashing_indices(
.get(*i as usize)
.ok_or_else(|| Error::Invalid(Invalid::UnknownValidator(*i)))?;
if slashable_attestation_2.validator_indices.contains(&i) & !validator.slashed {
if slashable_attestation_2.validator_indices.contains(&i) & !is_slashed(*i, validator) {
// TODO: verify that we should reject any slashable attestation which includes a
// withdrawn validator. PH has asked the question on gitter, awaiting response.
verify!(

21
eth2/state_processing/src/per_block_processing/verify_exit.rs
View File

@ -12,6 +12,25 @@ pub fn verify_exit(
state: &BeaconState,
exit: &VoluntaryExit,
spec: &ChainSpec,
) -> Result<(), Error> {
verify_exit_parametric(state, exit, spec, false)
}
/// Like `verify_exit` but doesn't run checks which may become true in future states.
pub fn verify_exit_time_independent_only(
state: &BeaconState,
exit: &VoluntaryExit,
spec: &ChainSpec,
) -> Result<(), Error> {
verify_exit_parametric(state, exit, spec, true)
}
/// Parametric version of `verify_exit` that skips some checks if `time_independent_only` is true.
fn verify_exit_parametric(
state: &BeaconState,
exit: &VoluntaryExit,
spec: &ChainSpec,
time_independent_only: bool,
) -> Result<(), Error> {
let validator = state
.validator_registry
@ -32,7 +51,7 @@ pub fn verify_exit(
// Exits must specify an epoch when they become valid; they are not valid before then.
verify!(
state.current_epoch(spec) >= exit.epoch,
time_independent_only || state.current_epoch(spec) >= exit.epoch,
Invalid::FutureEpoch {
state: state.current_epoch(spec),
exit: exit.epoch

44
eth2/state_processing/src/per_block_processing/verify_transfer.rs
View File

@ -15,6 +15,25 @@ pub fn verify_transfer(
state: &BeaconState,
transfer: &Transfer,
spec: &ChainSpec,
) -> Result<(), Error> {
verify_transfer_parametric(state, transfer, spec, false)
}
/// Like `verify_transfer` but doesn't run checks which may become true in future states.
pub fn verify_transfer_time_independent_only(
state: &BeaconState,
transfer: &Transfer,
spec: &ChainSpec,
) -> Result<(), Error> {
verify_transfer_parametric(state, transfer, spec, true)
}
/// Parametric version of `verify_transfer` that allows some checks to be skipped.
fn verify_transfer_parametric(
state: &BeaconState,
transfer: &Transfer,
spec: &ChainSpec,
time_independent_only: bool,
) -> Result<(), Error> {
let sender_balance = *state
.validator_balances
@ -27,17 +46,18 @@ pub fn verify_transfer(
.ok_or_else(|| Error::Invalid(Invalid::FeeOverflow(transfer.amount, transfer.fee)))?;
verify!(
sender_balance >= transfer.amount,
time_independent_only || sender_balance >= transfer.amount,
Invalid::FromBalanceInsufficient(transfer.amount, sender_balance)
);
verify!(
sender_balance >= transfer.fee,
time_independent_only || sender_balance >= transfer.fee,
Invalid::FromBalanceInsufficient(transfer.fee, sender_balance)
);
verify!(
(sender_balance == total_amount)
time_independent_only
|| (sender_balance == total_amount)
|| (sender_balance >= (total_amount + spec.min_deposit_amount)),
Invalid::InvalidResultingFromBalance(
sender_balance - total_amount,
@ -45,10 +65,17 @@ pub fn verify_transfer(
)
);
verify!(
state.slot == transfer.slot,
Invalid::StateSlotMismatch(state.slot, transfer.slot)
);
if time_independent_only {
verify!(
state.slot <= transfer.slot,
Invalid::TransferSlotInPast(state.slot, transfer.slot)
);
} else {
verify!(
state.slot == transfer.slot,
Invalid::StateSlotMismatch(state.slot, transfer.slot)
);
}
let sender_validator = state
.validator_registry
@ -57,7 +84,8 @@ pub fn verify_transfer(
let epoch = state.slot.epoch(spec.slots_per_epoch);
verify!(
sender_validator.is_withdrawable_at(epoch)
time_independent_only
|| sender_validator.is_withdrawable_at(epoch)
|| sender_validator.activation_epoch == spec.far_future_epoch,
Invalid::FromValidatorIneligableForTransfer(transfer.sender)
);

2
eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
View File

@ -227,7 +227,7 @@ impl ValidatorStatuses {
status.is_previous_epoch_attester = true;
// The inclusion slot and distance are only required for previous epoch attesters.
let relative_epoch = RelativeEpoch::from_slot(state.slot, a.data.slot, spec)?;
let relative_epoch = RelativeEpoch::from_slot(state.slot, a.inclusion_slot, spec)?;
status.inclusion_info = Some(InclusionInfo {
slot: a.inclusion_slot,
distance: inclusion_distance(a),

80
eth2/state_processing/tests/tests.rs
View File

@ -1,5 +1,14 @@
use serde_derive::Deserialize;
use serde_yaml;
#[cfg(not(debug_assertions))]
use state_processing::{
per_block_processing, per_block_processing_without_verifying_block_signature,
per_slot_processing,
};
use std::{fs::File, io::prelude::*, path::PathBuf};
use types::*;
#[allow(unused_imports)]
use yaml_utils;
#[derive(Debug, Deserialize)]
pub struct TestCase {
@ -19,13 +28,11 @@ pub struct TestDoc {
}
#[test]
fn yaml() {
use serde_yaml;
use std::{fs::File, io::prelude::*, path::PathBuf};
fn test_read_yaml() {
// Test sanity-check_small-config_32-vals.yaml
let mut file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("specs/example.yml");
file_path_buf.push("yaml_utils/specs/sanity-check_small-config_32-vals.yaml");
File::open(file_path_buf).unwrap()
};
@ -34,7 +41,68 @@ fn yaml() {
file.read_to_string(&mut yaml_str).unwrap();
let yaml_str = yaml_str.to_lowercase();
yaml_str = yaml_str.to_lowercase();
let _doc: TestDoc = serde_yaml::from_str(&yaml_str.as_str()).unwrap();
// Test sanity-check_default-config_100-vals.yaml
file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("yaml_utils/specs/sanity-check_default-config_100-vals.yaml");
File::open(file_path_buf).unwrap()
};
yaml_str = String::new();
file.read_to_string(&mut yaml_str).unwrap();
yaml_str = yaml_str.to_lowercase();
let _doc: TestDoc = serde_yaml::from_str(&yaml_str.as_str()).unwrap();
}
#[test]
#[cfg(not(debug_assertions))]
fn run_state_transition_tests_small() {
// Test sanity-check_small-config_32-vals.yaml
let mut file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("yaml_utils/specs/sanity-check_small-config_32-vals.yaml");
File::open(file_path_buf).unwrap()
};
let mut yaml_str = String::new();
file.read_to_string(&mut yaml_str).unwrap();
yaml_str = yaml_str.to_lowercase();
let doc: TestDoc = serde_yaml::from_str(&yaml_str.as_str()).unwrap();
// Run Tests
for (i, test_case) in doc.test_cases.iter().enumerate() {
let mut state = test_case.initial_state.clone();
for block in test_case.blocks.iter() {
while block.slot > state.slot {
let latest_block_header = state.latest_block_header.clone();
per_slot_processing(&mut state, &latest_block_header, &test_case.config).unwrap();
}
if test_case.verify_signatures {
let res = per_block_processing(&mut state, &block, &test_case.config);
if res.is_err() {
println!("{:?}", i);
println!("{:?}", res);
};
} else {
let res = per_block_processing_without_verifying_block_signature(
&mut state,
&block,
&test_case.config,
);
if res.is_err() {
println!("{:?}", i);
println!("{:?}", res);
}
}
}
}
}

15
eth2/state_processing/yaml_utils/Cargo.toml Normal file
View File

@ -0,0 +1,15 @@
[package]
name = "yaml-utils"
version = "0.1.0"
authors = ["Kirk Baird <baird.k@outlook.com>"]
edition = "2018"
[build-dependencies]
reqwest = "0.9"
tempdir = "0.3"
[dependencies]
[lib]
name = "yaml_utils"
path = "src/lib.rs"

28
eth2/state_processing/yaml_utils/build.rs Normal file
View File

@ -0,0 +1,28 @@
extern crate reqwest;
extern crate tempdir;
use std::fs::File;
use std::io::copy;
fn main() {
// These test files are not to be stored in the lighthouse repo as they are quite large (32MB).
// They will be downloaded at build time by yaml-utils crate (in build.rs)
let git_path = "https://raw.githubusercontent.com/ethereum/eth2.0-tests/master/state/";
let test_names = vec![
"sanity-check_default-config_100-vals.yaml",
"sanity-check_small-config_32-vals.yaml",
];
for test in test_names {
let mut target = String::from(git_path);
target.push_str(test);
let mut response = reqwest::get(target.as_str()).unwrap();
let mut dest = {
let mut file_name = String::from("specs/");
file_name.push_str(test);
File::create(file_name).unwrap()
};
copy(&mut response, &mut dest).unwrap();
}
}

1
eth2/state_processing/yaml_utils/specs/.gitignore vendored Normal file
View File

@ -0,0 +1 @@
*.yaml

1
eth2/state_processing/yaml_utils/src/lib.rs Normal file
View File

@ -0,0 +1 @@
// This is a place holder such that yaml-utils is now a crate hence build.rs will be run when 'cargo test' is called

1
eth2/types/Cargo.toml
View File

@ -8,6 +8,7 @@ edition = "2018"
bls = { path = "../utils/bls" }
boolean-bitfield = { path = "../utils/boolean-bitfield" }
dirs = "1.0"
derivative = "1.0"
ethereum-types = "0.5"
hashing = { path = "../utils/hashing" }
hex = "0.3"

23
eth2/types/src/attestation.rs
View File

@ -28,6 +28,29 @@ pub struct Attestation {
pub aggregate_signature: AggregateSignature,
}
impl Attestation {
/// Are the aggregation bitfields of these attestations disjoint?
pub fn signers_disjoint_from(&self, other: &Attestation) -> bool {
self.aggregation_bitfield
.intersection(&other.aggregation_bitfield)
.is_zero()
}
/// Aggregate another Attestation into this one.
///
/// The aggregation bitfields must be disjoint, and the data must be the same.
pub fn aggregate(&mut self, other: &Attestation) {
debug_assert_eq!(self.data, other.data);
debug_assert!(self.signers_disjoint_from(other));
self.aggregation_bitfield
.union_inplace(&other.aggregation_bitfield);
self.custody_bitfield.union_inplace(&other.custody_bitfield);
self.aggregate_signature
.add_aggregate(&other.aggregate_signature);
}
}
#[cfg(test)]
mod tests {
use super::*;

3
eth2/types/src/attestation_duty.rs
View File

@ -1,9 +1,10 @@
use crate::*;
use serde_derive::{Deserialize, Serialize};
#[derive(Debug, PartialEq, Clone, Default, Serialize, Deserialize)]
#[derive(Debug, PartialEq, Clone, Copy, Default, Serialize, Deserialize)]
pub struct AttestationDuty {
pub slot: Slot,
pub shard: Shard,
pub committee_index: usize,
pub committee_len: usize,
}

11
eth2/types/src/beacon_state.rs
View File

@ -661,6 +661,17 @@ impl BeaconState {
})
}
/// Build all the caches, if they need to be built.
pub fn build_all_caches(&mut self, spec: &ChainSpec) -> Result<(), Error> {
self.build_epoch_cache(RelativeEpoch::Previous, spec)?;
self.build_epoch_cache(RelativeEpoch::Current, spec)?;
self.build_epoch_cache(RelativeEpoch::NextWithoutRegistryChange, spec)?;
self.build_epoch_cache(RelativeEpoch::NextWithRegistryChange, spec)?;
self.update_pubkey_cache()?;
Ok(())
}
/// Build an epoch cache, unless it is has already been built.
pub fn build_epoch_cache(
&mut self,

1
eth2/types/src/beacon_state/epoch_cache.rs
View File

@ -92,6 +92,7 @@ impl EpochCache {
slot,
shard,
committee_index: k,
committee_len: crosslink_committee.committee.len(),
};
attestation_duties[*validator_index] = Some(attestation_duty)
}

14
eth2/types/src/pending_attestation.rs
View File

@ -1,5 +1,5 @@
use crate::test_utils::TestRandom;
use crate::{AttestationData, Bitfield, Slot};
use crate::{Attestation, AttestationData, Bitfield, Slot};
use rand::RngCore;
use serde_derive::{Deserialize, Serialize};
use ssz_derive::{Decode, Encode, TreeHash};
@ -16,6 +16,18 @@ pub struct PendingAttestation {
pub inclusion_slot: Slot,
}
impl PendingAttestation {
/// Create a `PendingAttestation` from an `Attestation`, at the given `inclusion_slot`.
pub fn from_attestation(attestation: &Attestation, inclusion_slot: Slot) -> Self {
PendingAttestation {
data: attestation.data.clone(),
aggregation_bitfield: attestation.aggregation_bitfield.clone(),
custody_bitfield: attestation.custody_bitfield.clone(),
inclusion_slot,
}
}
}
#[cfg(test)]
mod tests {
use super::*;

21
eth2/types/src/slot_epoch.rs
View File

@ -113,6 +113,16 @@ mod epoch_tests {
all_tests!(Epoch);
#[test]
fn epoch_start_end() {
let slots_per_epoch = 8;
let epoch = Epoch::new(0);
assert_eq!(epoch.start_slot(slots_per_epoch), Slot::new(0));
assert_eq!(epoch.end_slot(slots_per_epoch), Slot::new(7));
}
#[test]
fn slot_iter() {
let slots_per_epoch = 8;
@ -130,4 +140,15 @@ mod epoch_tests {
assert_eq!(Slot::from(i), slots[i as usize])
}
}
#[test]
fn max_epoch_ssz() {
let max_epoch = Epoch::max_value();
let mut ssz = SszStream::new();
ssz.append(&max_epoch);
let encoded = ssz.drain();
assert_eq!(&encoded, &[255, 255, 255, 255, 255, 255, 255, 255]);
let (decoded, _i): (Epoch, usize) = <_>::ssz_decode(&encoded, 0).unwrap();
assert_eq!(max_epoch, decoded);
}
}

2
eth2/types/src/test_utils/generate_deterministic_keypairs.rs
View File

@ -19,7 +19,7 @@ pub fn generate_deterministic_keypairs(validator_count: usize) -> Vec<Keypair> {
.collect::<Vec<usize>>()
.par_iter()
.map(|&i| {
let secret = int_to_bytes48(i as u64 + 1);
let secret = int_to_bytes48(i as u64 + 1000);
let sk = SecretKey::from_bytes(&secret).unwrap();
let pk = PublicKey::from_secret_key(&sk);
Keypair { sk, pk }

2
eth2/types/src/test_utils/macros.rs
View File

@ -11,7 +11,7 @@ macro_rules! ssz_tests {
let original = $type::random_for_test(&mut rng);
let bytes = ssz_encode(&original);
let (decoded, _) = $type::ssz_decode(&bytes, 0).unwrap();
let (decoded, _): ($type, usize) = <_>::ssz_decode(&bytes, 0).unwrap();
assert_eq!(original, decoded);
}

10
eth2/types/src/test_utils/serde_utils.rs
View File

@ -1,6 +1,8 @@
use serde::de::Error;
use serde::{Deserialize, Deserializer};
pub const FORK_BYTES_LEN: usize = 4;
pub fn u8_from_hex_str<'de, D>(deserializer: D) -> Result<u8, D::Error>
where
D: Deserializer<'de>,
@ -10,14 +12,18 @@ where
u8::from_str_radix(&s.as_str()[2..], 16).map_err(D::Error::custom)
}
pub fn fork_from_hex_str<'de, D>(deserializer: D) -> Result<[u8; 4], D::Error>
pub fn fork_from_hex_str<'de, D>(deserializer: D) -> Result<[u8; FORK_BYTES_LEN], D::Error>
where
D: Deserializer<'de>,
{
let s: String = Deserialize::deserialize(deserializer)?;
let mut array = [0 as u8; 4];
let mut array = [0 as u8; FORK_BYTES_LEN];
let decoded: Vec<u8> = hex::decode(&s.as_str()[2..]).map_err(D::Error::custom)?;
if decoded.len() > FORK_BYTES_LEN {
return Err(D::Error::custom("Fork length too long"));
}
for (i, item) in array.iter_mut().enumerate() {
if i > decoded.len() {
break;

13
eth2/types/src/test_utils/testing_beacon_state_builder.rs
View File

@ -6,6 +6,7 @@ use dirs;
use log::debug;
use rayon::prelude::*;
use std::path::{Path, PathBuf};
use std::time::SystemTime;
pub const KEYPAIRS_FILE: &str = "keypairs.raw_keypairs";
@ -120,7 +121,17 @@ impl TestingBeaconStateBuilder {
})
.collect();
let genesis_time = 1553753928; // arbitrary
// TODO: Testing only. Burn with fire later.
// set genesis to the last 30 minute block.
// this is used for testing only. Allows multiple nodes to connect within a 30min window
// and agree on a genesis
let now = SystemTime::now()
.duration_since(SystemTime::UNIX_EPOCH)
.unwrap()
.as_secs();
let secs_after_last_period = now.checked_rem(30 * 60).unwrap_or(0);
// genesis is now the last 30 minute block.
let genesis_time = now - secs_after_last_period;
let mut state = BeaconState::genesis(
genesis_time,

5
eth2/types/src/transfer.rs
View File

@ -1,6 +1,7 @@
use super::Slot;
use crate::test_utils::TestRandom;
use bls::{PublicKey, Signature};
use derivative::Derivative;
use rand::RngCore;
use serde_derive::{Deserialize, Serialize};
use ssz::TreeHash;
@ -12,7 +13,6 @@ use test_random_derive::TestRandom;
/// Spec v0.5.0
#[derive(
Debug,
PartialEq,
Clone,
Serialize,
Deserialize,
@ -21,7 +21,9 @@ use test_random_derive::TestRandom;
TreeHash,
TestRandom,
SignedRoot,
Derivative,
)]
#[derivative(PartialEq, Eq, Hash)]
pub struct Transfer {
pub sender: u64,
pub recipient: u64,
@ -29,6 +31,7 @@ pub struct Transfer {
pub fee: u64,
pub slot: Slot,
pub pubkey: PublicKey,
#[derivative(Hash = "ignore")]
pub signature: Signature,
}

4
eth2/utils/bls/src/aggregate_public_key.rs
View File

@ -1,7 +1,7 @@
use super::PublicKey;
use bls_aggregates::AggregatePublicKey as RawAggregatePublicKey;
/// A single BLS signature.
/// A BLS aggregate public key.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
@ -17,7 +17,7 @@ impl AggregatePublicKey {
self.0.add(public_key.as_raw())
}
/// Returns the underlying signature.
/// Returns the underlying public key.
pub fn as_raw(&self) -> &RawAggregatePublicKey {
&self.0
}

109
eth2/utils/bls/src/aggregate_signature.rs
View File

@ -1,30 +1,45 @@
use super::{AggregatePublicKey, Signature};
use super::{AggregatePublicKey, Signature, BLS_AGG_SIG_BYTE_SIZE};
use bls_aggregates::{
AggregatePublicKey as RawAggregatePublicKey, AggregateSignature as RawAggregateSignature,
};
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode as hex_encode, PrefixedHexVisitor};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
use serde_hex::{encode as hex_encode, HexVisitor};
use ssz::{decode, hash, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A BLS aggregate signature.
///
/// This struct is a wrapper upon a base type and provides helper functions (e.g., SSZ
/// serialization).
#[derive(Debug, PartialEq, Clone, Default, Eq)]
pub struct AggregateSignature(RawAggregateSignature);
pub struct AggregateSignature {
aggregate_signature: RawAggregateSignature,
is_empty: bool,
}
impl AggregateSignature {
/// Instantiate a new AggregateSignature.
///
/// is_empty is false
/// AggregateSiganture is point at infinity
pub fn new() -> Self {
AggregateSignature(RawAggregateSignature::new())
Self {
aggregate_signature: RawAggregateSignature::new(),
is_empty: false,
}
}
/// Add (aggregate) a signature to the `AggregateSignature`.
pub fn add(&mut self, signature: &Signature) {
self.0.add(signature.as_raw())
if !self.is_empty {
self.aggregate_signature.add(signature.as_raw())
}
}
/// Add (aggregate) another `AggregateSignature`.
pub fn add_aggregate(&mut self, agg_signature: &AggregateSignature) {
self.aggregate_signature
.add_aggregate(&agg_signature.aggregate_signature)
}
/// Verify the `AggregateSignature` against an `AggregatePublicKey`.
@ -37,7 +52,11 @@ impl AggregateSignature {
domain: u64,
aggregate_public_key: &AggregatePublicKey,
) -> bool {
self.0.verify(msg, domain, aggregate_public_key.as_raw())
if self.is_empty {
return false;
}
self.aggregate_signature
.verify(msg, domain, aggregate_public_key.as_raw())
}
/// Verify this AggregateSignature against multiple AggregatePublickeys with multiple Messages.
@ -50,6 +69,9 @@ impl AggregateSignature {
domain: u64,
aggregate_public_keys: &[&AggregatePublicKey],
) -> bool {
if self.is_empty {
return false;
}
let aggregate_public_keys: Vec<&RawAggregatePublicKey> =
aggregate_public_keys.iter().map(|pk| pk.as_raw()).collect();
@ -59,50 +81,93 @@ impl AggregateSignature {
msg.extend_from_slice(message);
}
self.0
self.aggregate_signature
.verify_multiple(&msg[..], domain, &aggregate_public_keys[..])
}
/// Return AggregateSiganture as bytes
pub fn as_bytes(&self) -> Vec<u8> {
if self.is_empty {
return vec![0; BLS_AGG_SIG_BYTE_SIZE];
}
self.aggregate_signature.as_bytes()
}
/// Convert bytes to AggregateSiganture
pub fn from_bytes(bytes: &[u8]) -> Result<Self, DecodeError> {
for byte in bytes {
if *byte != 0 {
let sig =
RawAggregateSignature::from_bytes(&bytes).map_err(|_| DecodeError::Invalid)?;
return Ok(Self {
aggregate_signature: sig,
is_empty: false,
});
}
}
Ok(Self::empty_signature())
}
/// Returns if the AggregateSiganture `is_empty`
pub fn is_empty(&self) -> bool {
self.is_empty
}
/// Creates a new AggregateSignature
///
/// aggregate_signature set to the point infinity
/// is_empty set to true
pub fn empty_signature() -> Self {
Self {
aggregate_signature: RawAggregateSignature::new(),
is_empty: true,
}
}
}
impl Encodable for AggregateSignature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
s.append_encoded_raw(&self.as_bytes());
}
}
impl Decodable for AggregateSignature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig =
RawAggregateSignature::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((AggregateSignature(raw_sig), i))
if bytes.len() - i < BLS_AGG_SIG_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
let agg_sig = AggregateSignature::from_bytes(&bytes[i..(i + BLS_AGG_SIG_BYTE_SIZE)])
.map_err(|_| DecodeError::Invalid)?;
Ok((agg_sig, i + BLS_AGG_SIG_BYTE_SIZE))
}
}
impl Serialize for AggregateSignature {
/// Serde serialization is compliant the Ethereum YAML test format.
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&hex_encode(ssz_encode(self)))
serializer.serialize_str(&hex_encode(self.as_bytes()))
}
}
impl<'de> Deserialize<'de> for AggregateSignature {
/// Serde serialization is compliant the Ethereum YAML test format.
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let bytes = deserializer.deserialize_str(PrefixedHexVisitor)?;
let (obj, _) = <_>::ssz_decode(&bytes[..], 0)
let bytes = deserializer.deserialize_str(HexVisitor)?;
let agg_sig = decode(&bytes[..])
.map_err(|e| serde::de::Error::custom(format!("invalid ssz ({:?})", e)))?;
Ok(obj)
Ok(agg_sig)
}
}
impl TreeHash for AggregateSignature {
fn hash_tree_root(&self) -> Vec<u8> {
hash(&self.0.as_bytes())
hash(&self.as_bytes())
}
}
@ -110,7 +175,7 @@ impl TreeHash for AggregateSignature {
mod tests {
use super::super::{Keypair, Signature};
use super::*;
use ssz::ssz_encode;
use ssz::{decode, ssz_encode};
#[test]
pub fn test_ssz_round_trip() {
@ -120,7 +185,7 @@ mod tests {
original.add(&Signature::new(&[42, 42], 0, &keypair.sk));
let bytes = ssz_encode(&original);
let (decoded, _) = AggregateSignature::ssz_decode(&bytes, 0).unwrap();
let decoded = decode::<AggregateSignature>(&bytes).unwrap();
assert_eq!(original, decoded);
}

28
eth2/utils/bls/src/fake_aggregate_signature.rs
View File

@ -1,12 +1,8 @@
use super::{fake_signature::FakeSignature, AggregatePublicKey};
use super::{fake_signature::FakeSignature, AggregatePublicKey, BLS_AGG_SIG_BYTE_SIZE};
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode as hex_encode, PrefixedHexVisitor};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
const SIGNATURE_LENGTH: usize = 48;
use ssz::{hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A BLS aggregate signature.
///
@ -26,7 +22,7 @@ impl FakeAggregateSignature {
/// Creates a new all-zero's signature
pub fn zero() -> Self {
Self {
bytes: vec![0; SIGNATURE_LENGTH],
bytes: vec![0; BLS_AGG_SIG_BYTE_SIZE],
}
}
@ -35,6 +31,11 @@ impl FakeAggregateSignature {
// Do nothing.
}
/// Does glorious nothing.
pub fn add_aggregate(&mut self, _agg_sig: &FakeAggregateSignature) {
// Do nothing.
}
/// _Always_ returns `true`.
pub fn verify(
&self,
@ -58,14 +59,21 @@ impl FakeAggregateSignature {
impl Encodable for FakeAggregateSignature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.bytes);
s.append_encoded_raw(&self.bytes);
}
}
impl Decodable for FakeAggregateSignature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
Ok((FakeAggregateSignature { bytes: sig_bytes }, i))
if bytes.len() - i < BLS_AGG_SIG_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
Ok((
FakeAggregateSignature {
bytes: bytes[i..(i + BLS_AGG_SIG_BYTE_SIZE)].to_vec(),
},
i + BLS_AGG_SIG_BYTE_SIZE,
))
}
}

25
eth2/utils/bls/src/fake_signature.rs
View File

@ -1,13 +1,9 @@
use super::serde_vistors::HexVisitor;
use super::{PublicKey, SecretKey};
use super::{PublicKey, SecretKey, BLS_SIG_BYTE_SIZE};
use hex::encode as hex_encode;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
const SIGNATURE_LENGTH: usize = 48;
use serde_hex::HexVisitor;
use ssz::{hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A single BLS signature.
///
@ -27,7 +23,7 @@ impl FakeSignature {
/// Creates a new all-zero's signature
pub fn zero() -> Self {
Self {
bytes: vec![0; SIGNATURE_LENGTH],
bytes: vec![0; BLS_SIG_BYTE_SIZE],
}
}
@ -59,14 +55,21 @@ impl FakeSignature {
impl Encodable for FakeSignature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.bytes);
s.append_encoded_raw(&self.bytes);
}
}
impl Decodable for FakeSignature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
Ok((FakeSignature { bytes: sig_bytes }, i))
if bytes.len() - i < BLS_SIG_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
Ok((
FakeSignature {
bytes: bytes[i..(i + BLS_SIG_BYTE_SIZE)].to_vec(),
},
i + BLS_SIG_BYTE_SIZE,
))
}
}

28
eth2/utils/bls/src/keypair.rs
View File

@ -1,7 +1,9 @@
use super::{PublicKey, SecretKey};
use serde_derive::{Deserialize, Serialize};
use std::fmt;
use std::hash::{Hash, Hasher};
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[derive(Debug, Clone, Eq, Serialize, Deserialize)]
pub struct Keypair {
pub sk: SecretKey,
pub pk: PublicKey,
@ -19,3 +21,27 @@ impl Keypair {
self.pk.concatenated_hex_id()
}
}
impl PartialEq for Keypair {
fn eq(&self, other: &Keypair) -> bool {
self == other
}
}
impl Hash for Keypair {
/// Note: this is distinct from consensus serialization, it will produce a different hash.
///
/// This method uses the uncompressed bytes, which are much faster to obtain than the
/// compressed bytes required for consensus serialization.
///
/// Use `ssz::Encode` to obtain the bytes required for consensus hashing.
fn hash<H: Hasher>(&self, state: &mut H) {
self.pk.as_uncompressed_bytes().hash(state)
}
}
impl fmt::Display for Keypair {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.pk)
}
}

4
eth2/utils/bls/src/lib.rs
View File

@ -5,7 +5,6 @@ mod aggregate_public_key;
mod keypair;
mod public_key;
mod secret_key;
mod serde_vistors;
#[cfg(not(debug_assertions))]
mod aggregate_signature;
@ -31,6 +30,9 @@ pub use crate::public_key::PublicKey;
pub use crate::secret_key::SecretKey;
pub const BLS_AGG_SIG_BYTE_SIZE: usize = 96;
pub const BLS_SIG_BYTE_SIZE: usize = 96;
pub const BLS_SECRET_KEY_BYTE_SIZE: usize = 48;
pub const BLS_PUBLIC_KEY_BYTE_SIZE: usize = 48;
use hashing::hash;
use ssz::ssz_encode;

32
eth2/utils/bls/src/public_key.rs
View File

@ -1,12 +1,11 @@
use super::SecretKey;
use super::{SecretKey, BLS_PUBLIC_KEY_BYTE_SIZE};
use bls_aggregates::PublicKey as RawPublicKey;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode as hex_encode, PrefixedHexVisitor};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
use serde_hex::{encode as hex_encode, HexVisitor};
use ssz::{decode, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
use std::default;
use std::fmt;
use std::hash::{Hash, Hasher};
/// A single BLS signature.
@ -54,6 +53,12 @@ impl PublicKey {
}
}
impl fmt::Display for PublicKey {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.concatenated_hex_id())
}
}
impl default::Default for PublicKey {
fn default() -> Self {
let secret_key = SecretKey::random();
@ -63,15 +68,18 @@ impl default::Default for PublicKey {
impl Encodable for PublicKey {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
s.append_encoded_raw(&self.0.as_bytes());
}
}
impl Decodable for PublicKey {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig = RawPublicKey::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((PublicKey(raw_sig), i))
if bytes.len() - i < BLS_PUBLIC_KEY_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
let raw_sig = RawPublicKey::from_bytes(&bytes[i..(i + BLS_PUBLIC_KEY_BYTE_SIZE)])
.map_err(|_| DecodeError::TooShort)?;
Ok((PublicKey(raw_sig), i + BLS_PUBLIC_KEY_BYTE_SIZE))
}
}
@ -89,10 +97,10 @@ impl<'de> Deserialize<'de> for PublicKey {
where
D: Deserializer<'de>,
{
let bytes = deserializer.deserialize_str(PrefixedHexVisitor)?;
let obj = PublicKey::from_bytes(&bytes[..])
let bytes = deserializer.deserialize_str(HexVisitor)?;
let pubkey = decode(&bytes[..])
.map_err(|e| serde::de::Error::custom(format!("invalid pubkey ({:?})", e)))?;
Ok(obj)
Ok(pubkey)
}
}

20
eth2/utils/bls/src/secret_key.rs
View File

@ -1,9 +1,10 @@
use super::serde_vistors::HexVisitor;
use super::BLS_SECRET_KEY_BYTE_SIZE;
use bls_aggregates::{DecodeError as BlsDecodeError, SecretKey as RawSecretKey};
use hex::encode as hex_encode;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use ssz::{decode_ssz_list, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
use serde_hex::HexVisitor;
use ssz::{decode, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A single BLS signature.
///
@ -32,15 +33,18 @@ impl SecretKey {
impl Encodable for SecretKey {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.0.as_bytes());
s.append_encoded_raw(&self.0.as_bytes());
}
}
impl Decodable for SecretKey {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let raw_sig = RawSecretKey::from_bytes(&sig_bytes).map_err(|_| DecodeError::TooShort)?;
Ok((SecretKey(raw_sig), i))
if bytes.len() - i < BLS_SECRET_KEY_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
let raw_sig = RawSecretKey::from_bytes(&bytes[i..(i + BLS_SECRET_KEY_BYTE_SIZE)])
.map_err(|_| DecodeError::TooShort)?;
Ok((SecretKey(raw_sig), i + BLS_SECRET_KEY_BYTE_SIZE))
}
}
@ -59,9 +63,9 @@ impl<'de> Deserialize<'de> for SecretKey {
D: Deserializer<'de>,
{
let bytes = deserializer.deserialize_str(HexVisitor)?;
let (pubkey, _) = <_>::ssz_decode(&bytes[..], 0)
let secret_key = decode::<SecretKey>(&bytes[..])
.map_err(|e| serde::de::Error::custom(format!("invalid ssz ({:?})", e)))?;
Ok(pubkey)
Ok(secret_key)
}
}

21
eth2/utils/bls/src/serde_vistors.rs
View File

@ -1,21 +0,0 @@
use hex;
use serde::de::{self, Visitor};
use std::fmt;
pub struct HexVisitor;
impl<'de> Visitor<'de> for HexVisitor {
type Value = Vec<u8>;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("a hex string (irrelevant of prefix)")
}
fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(hex::decode(value.trim_start_matches("0x"))
.map_err(|e| de::Error::custom(format!("invalid hex ({:?})", e)))?)
}
}

30
eth2/utils/bls/src/signature.rs
View File

@ -1,12 +1,10 @@
use super::serde_vistors::HexVisitor;
use super::{PublicKey, SecretKey};
use super::{PublicKey, SecretKey, BLS_SIG_BYTE_SIZE};
use bls_aggregates::Signature as RawSignature;
use hex::encode as hex_encode;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use ssz::{
decode_ssz_list, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash,
};
use serde_hex::HexVisitor;
use ssz::{decode, hash, ssz_encode, Decodable, DecodeError, Encodable, SszStream, TreeHash};
/// A single BLS signature.
///
@ -63,7 +61,7 @@ impl Signature {
/// Returns a new empty signature.
pub fn empty_signature() -> Self {
// Set RawSignature = infinity
let mut empty: Vec<u8> = vec![0; 96];
let mut empty: Vec<u8> = vec![0; BLS_SIG_BYTE_SIZE];
empty[0] += u8::pow(2, 6) + u8::pow(2, 7);
Signature {
signature: RawSignature::from_bytes(&empty).unwrap(),
@ -102,15 +100,17 @@ impl Signature {
impl Encodable for Signature {
fn ssz_append(&self, s: &mut SszStream) {
s.append_vec(&self.as_bytes());
s.append_encoded_raw(&self.as_bytes());
}
}
impl Decodable for Signature {
fn ssz_decode(bytes: &[u8], i: usize) -> Result<(Self, usize), DecodeError> {
let (sig_bytes, i) = decode_ssz_list(bytes, i)?;
let signature = Signature::from_bytes(&sig_bytes)?;
Ok((signature, i))
if bytes.len() - i < BLS_SIG_BYTE_SIZE {
return Err(DecodeError::TooShort);
}
let signature = Signature::from_bytes(&bytes[i..(i + BLS_SIG_BYTE_SIZE)])?;
Ok((signature, i + BLS_SIG_BYTE_SIZE))
}
}
@ -121,6 +121,7 @@ impl TreeHash for Signature {
}
impl Serialize for Signature {
/// Serde serialization is compliant the Ethereum YAML test format.
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
@ -130,14 +131,15 @@ impl Serialize for Signature {
}
impl<'de> Deserialize<'de> for Signature {
/// Serde serialization is compliant the Ethereum YAML test format.
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let bytes = deserializer.deserialize_str(HexVisitor)?;
let (pubkey, _) = <_>::ssz_decode(&bytes[..], 0)
let signature = decode(&bytes[..])
.map_err(|e| serde::de::Error::custom(format!("invalid ssz ({:?})", e)))?;
Ok(pubkey)
Ok(signature)
}
}
@ -154,7 +156,7 @@ mod tests {
let original = Signature::new(&[42, 42], 0, &keypair.sk);
let bytes = ssz_encode(&original);
let (decoded, _) = Signature::ssz_decode(&bytes, 0).unwrap();
let decoded = decode::<Signature>(&bytes).unwrap();
assert_eq!(original, decoded);
}
@ -165,7 +167,7 @@ mod tests {
let sig_as_bytes: Vec<u8> = sig.as_raw().as_bytes();
assert_eq!(sig_as_bytes.len(), 96);
assert_eq!(sig_as_bytes.len(), BLS_SIG_BYTE_SIZE);
for (i, one_byte) in sig_as_bytes.iter().enumerate() {
if i == 0 {
assert_eq!(*one_byte, u8::pow(2, 6) + u8::pow(2, 7));

146
eth2/utils/boolean-bitfield/src/lib.rs
View File

@ -6,7 +6,7 @@ use bit_vec::BitVec;
use serde::de::{Deserialize, Deserializer};
use serde::ser::{Serialize, Serializer};
use serde_hex::{encode, PrefixedHexVisitor};
use ssz::Decodable;
use ssz::{Decodable, Encodable};
use std::cmp;
use std::default;
@ -33,10 +33,21 @@ impl BooleanBitfield {
}
/// Create a new bitfield with the given length `initial_len` and all values set to `bit`.
pub fn from_elem(inital_len: usize, bit: bool) -> Self {
Self {
0: BitVec::from_elem(inital_len, bit),
///
/// Note: if `initial_len` is not a multiple of 8, the remaining bits will be set to `false`
/// regardless of `bit`.
pub fn from_elem(initial_len: usize, bit: bool) -> Self {
// BitVec can panic if we don't set the len to be a multiple of 8.
let full_len = ((initial_len + 7) / 8) * 8;
let mut bitfield = BitVec::from_elem(full_len, false);
if bit {
for i in 0..initial_len {
bitfield.set(i, true);
}
}
Self { 0: bitfield }
}
/// Create a new bitfield using the supplied `bytes` as input
@ -89,6 +100,11 @@ impl BooleanBitfield {
self.len() == 0
}
/// Returns true if all bits are set to 0.
pub fn is_zero(&self) -> bool {
self.0.none()
}
/// Returns the number of bytes required to represent this bitfield.
pub fn num_bytes(&self) -> usize {
self.to_bytes().len()
@ -104,6 +120,44 @@ impl BooleanBitfield {
pub fn to_bytes(&self) -> Vec<u8> {
self.0.to_bytes()
}
/// Compute the intersection (binary-and) of this bitfield with another. Lengths must match.
pub fn intersection(&self, other: &Self) -> Self {
let mut res = self.clone();
res.intersection_inplace(other);
res
}
/// Like `intersection` but in-place (updates `self`).
pub fn intersection_inplace(&mut self, other: &Self) {
self.0.intersect(&other.0);
}
/// Compute the union (binary-or) of this bitfield with another. Lengths must match.
pub fn union(&self, other: &Self) -> Self {
let mut res = self.clone();
res.union_inplace(other);
res
}
/// Like `union` but in-place (updates `self`).
pub fn union_inplace(&mut self, other: &Self) {
self.0.union(&other.0);
}
/// Compute the difference (binary-minus) of this bitfield with another. Lengths must match.
///
/// Computes `self - other`.
pub fn difference(&self, other: &Self) -> Self {
let mut res = self.clone();
res.difference_inplace(other);
res
}
/// Like `difference` but in-place (updates `self`).
pub fn difference_inplace(&mut self, other: &Self) {
self.0.difference(&other.0);
}
}
impl default::Default for BooleanBitfield {
@ -125,10 +179,11 @@ impl cmp::PartialEq for BooleanBitfield {
/// Create a new bitfield that is a union of two other bitfields.
///
/// For example `union(0101, 1000) == 1101`
impl std::ops::BitAnd for BooleanBitfield {
// TODO: length-independent intersection for BitAnd
impl std::ops::BitOr for BooleanBitfield {
type Output = Self;
fn bitand(self, other: Self) -> Self {
fn bitor(self, other: Self) -> Self {
let (biggest, smallest) = if self.len() > other.len() {
(&self, &other)
} else {
@ -144,14 +199,14 @@ impl std::ops::BitAnd for BooleanBitfield {
}
}
impl ssz::Encodable for BooleanBitfield {
impl Encodable for BooleanBitfield {
// ssz_append encodes Self according to the `ssz` spec.
fn ssz_append(&self, s: &mut ssz::SszStream) {
s.append_vec(&self.to_bytes())
}
}
impl ssz::Decodable for BooleanBitfield {
impl Decodable for BooleanBitfield {
fn ssz_decode(bytes: &[u8], index: usize) -> Result<(Self, usize), ssz::DecodeError> {
let len = ssz::decode::decode_length(bytes, index, ssz::LENGTH_BYTES)?;
if (ssz::LENGTH_BYTES + len) > bytes.len() {
@ -186,7 +241,7 @@ impl Serialize for BooleanBitfield {
where
S: Serializer,
{
serializer.serialize_str(&encode(&ssz::ssz_encode(self)))
serializer.serialize_str(&encode(&self.to_bytes()))
}
}
@ -197,9 +252,7 @@ impl<'de> Deserialize<'de> for BooleanBitfield {
D: Deserializer<'de>,
{
let bytes = deserializer.deserialize_str(PrefixedHexVisitor)?;
let (bitfield, _) = <_>::ssz_decode(&bytes[..], 0)
.map_err(|e| serde::de::Error::custom(format!("invalid ssz ({:?})", e)))?;
Ok(bitfield)
Ok(BooleanBitfield::from_bytes(&bytes))
}
}
@ -212,7 +265,7 @@ impl ssz::TreeHash for BooleanBitfield {
#[cfg(test)]
mod tests {
use super::*;
use ssz::{ssz_encode, Decodable, SszStream};
use ssz::{decode, ssz_encode, SszStream};
#[test]
fn test_new_bitfield() {
@ -380,12 +433,12 @@ mod tests {
let mut stream = SszStream::new();
stream.append(&field);
assert_eq!(stream.drain(), vec![0, 0, 0, 2, 225, 192]);
assert_eq!(stream.drain(), vec![2, 0, 0, 0, 225, 192]);
let field = BooleanBitfield::from_elem(18, true);
let mut stream = SszStream::new();
stream.append(&field);
assert_eq!(stream.drain(), vec![0, 0, 0, 3, 255, 255, 192]);
assert_eq!(stream.drain(), vec![3, 0, 0, 0, 255, 255, 192]);
}
fn create_test_bitfield() -> BooleanBitfield {
@ -401,13 +454,13 @@ mod tests {
#[test]
fn test_ssz_decode() {
let encoded = vec![0, 0, 0, 2, 225, 192];
let (field, _): (BooleanBitfield, usize) = ssz::decode_ssz(&encoded, 0).unwrap();
let encoded = vec![2, 0, 0, 0, 225, 192];
let field = decode::<BooleanBitfield>(&encoded).unwrap();
let expected = create_test_bitfield();
assert_eq!(field, expected);
let encoded = vec![0, 0, 0, 3, 255, 255, 3];
let (field, _): (BooleanBitfield, usize) = ssz::decode_ssz(&encoded, 0).unwrap();
let encoded = vec![3, 0, 0, 0, 255, 255, 3];
let field = decode::<BooleanBitfield>(&encoded).unwrap();
let expected = BooleanBitfield::from_bytes(&[255, 255, 3]);
assert_eq!(field, expected);
}
@ -416,15 +469,64 @@ mod tests {
fn test_ssz_round_trip() {
let original = BooleanBitfield::from_bytes(&vec![18; 12][..]);
let ssz = ssz_encode(&original);
let (decoded, _) = BooleanBitfield::ssz_decode(&ssz, 0).unwrap();
let decoded = decode::<BooleanBitfield>(&ssz).unwrap();
assert_eq!(original, decoded);
}
#[test]
fn test_bitand() {
fn test_bitor() {
let a = BooleanBitfield::from_bytes(&vec![2, 8, 1][..]);
let b = BooleanBitfield::from_bytes(&vec![4, 8, 16][..]);
let c = BooleanBitfield::from_bytes(&vec![6, 8, 17][..]);
assert_eq!(c, a & b);
assert_eq!(c, a | b);
}
#[test]
fn test_is_zero() {
let yes_data: &[&[u8]] = &[&[], &[0], &[0, 0], &[0, 0, 0]];
for bytes in yes_data {
assert!(BooleanBitfield::from_bytes(bytes).is_zero());
}
let no_data: &[&[u8]] = &[&[1], &[6], &[0, 1], &[0, 0, 1], &[0, 0, 255]];
for bytes in no_data {
assert!(!BooleanBitfield::from_bytes(bytes).is_zero());
}
}
#[test]
fn test_intersection() {
let a = BooleanBitfield::from_bytes(&[0b1100, 0b0001]);
let b = BooleanBitfield::from_bytes(&[0b1011, 0b1001]);
let c = BooleanBitfield::from_bytes(&[0b1000, 0b0001]);
assert_eq!(a.intersection(&b), c);
assert_eq!(b.intersection(&a), c);
assert_eq!(a.intersection(&c), c);
assert_eq!(b.intersection(&c), c);
assert_eq!(a.intersection(&a), a);
assert_eq!(b.intersection(&b), b);
assert_eq!(c.intersection(&c), c);
}
#[test]
fn test_union() {
let a = BooleanBitfield::from_bytes(&[0b1100, 0b0001]);
let b = BooleanBitfield::from_bytes(&[0b1011, 0b1001]);
let c = BooleanBitfield::from_bytes(&[0b1111, 0b1001]);
assert_eq!(a.union(&b), c);
assert_eq!(b.union(&a), c);
assert_eq!(a.union(&a), a);
assert_eq!(b.union(&b), b);
assert_eq!(c.union(&c), c);
}
#[test]
fn test_difference() {
let a = BooleanBitfield::from_bytes(&[0b1100, 0b0001]);
let b = BooleanBitfield::from_bytes(&[0b1011, 0b1001]);
let a_b = BooleanBitfield::from_bytes(&[0b0100, 0b0000]);
let b_a = BooleanBitfield::from_bytes(&[0b0011, 0b1000]);
assert_eq!(a.difference(&b), a_b);
assert_eq!(b.difference(&a), b_a);
assert!(a.difference(&a).is_zero());
}
}

18
eth2/utils/serde_hex/src/lib.rs
View File

@ -38,6 +38,24 @@ impl<'de> Visitor<'de> for PrefixedHexVisitor {
}
}
pub struct HexVisitor;
impl<'de> Visitor<'de> for HexVisitor {
type Value = Vec<u8>;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("a hex string (irrelevant of prefix)")
}
fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(hex::decode(value.trim_start_matches("0x"))
.map_err(|e| de::Error::custom(format!("invalid hex ({:?})", e)))?)
}
}
#[cfg(test)]
mod test {
use super::*;

2
eth2/utils/ssz/Cargo.toml
View File

@ -8,3 +8,5 @@ edition = "2018"
bytes = "0.4.9"
ethereum-types = "0.5"
hashing = { path = "../hashing" }
hex = "0.3"
yaml-rust = "0.4"

16
eth2/utils/ssz/README.md
View File

@ -69,7 +69,7 @@ Syntax:
| Shorthand | Meaning |
|:-------------|:----------------------------------------------------|
| `big` | ``big endian`` |
| `little` | ``little endian`` |
| `to_bytes` | convert to bytes. Params: ``(size, byte order)`` |
| `from_bytes` | convert from bytes. Params: ``(bytes, byte order)`` |
| `value` | the value to serialize |
@ -82,7 +82,7 @@ Syntax:
Convert directly to bytes the size of the int. (e.g. ``int16 = 2 bytes``)
All integers are serialized as **big endian**.
All integers are serialized as **little endian**.
| Check to perform | Code |
|:-----------------------|:------------------------|
@ -92,7 +92,7 @@ All integers are serialized as **big endian**.
```python
buffer_size = int_size / 8
return value.to_bytes(buffer_size, 'big')
return value.to_bytes(buffer_size, 'little')
```
#### Address
@ -131,7 +131,7 @@ For general `byte` type:
value_bytes ]``
```python
byte_length = (len(value)).to_bytes(4, 'big')
byte_length = (len(value)).to_bytes(4, 'little')
return byte_length + value
```
@ -175,12 +175,12 @@ At each step, the following checks should be made:
Convert directly from bytes into integer utilising the number of bytes the same
size as the integer length. (e.g. ``int16 == 2 bytes``)
All integers are interpreted as **big endian**.
All integers are interpreted as **little endian**.
```python
byte_length = int_size / 8
new_index = current_index + int_size
return int.from_bytes(rawbytes[current_index:current_index+int_size], 'big'), new_index
return int.from_bytes(rawbytes[current_index:current_index+int_size], 'little'), new_index
```
#### Address
@ -206,7 +206,7 @@ return rawbytes[current_index:current_index+32], new_index
Get the length of the bytes, return the bytes.
```python
bytes_length = int.from_bytes(rawbytes[current_index:current_index+4], 'big')
bytes_length = int.from_bytes(rawbytes[current_index:current_index+4], 'little')
new_index = current_index + 4 + bytes_lenth
return rawbytes[current_index+4:current_index+4+bytes_length], new_index
```
@ -224,7 +224,7 @@ entire length of the list.
| rawbytes has enough left for length | ``len(rawbytes) > current_index + 4`` |
```python
total_length = int.from_bytes(rawbytes[current_index:current_index+4], 'big')
total_length = int.from_bytes(rawbytes[current_index:current_index+4], 'little')
new_index = current_index + 4 + total_length
item_index = current_index + 4
deserialized_list = []

18
eth2/utils/ssz/fuzz/Cargo.toml
View File

@ -9,7 +9,7 @@ publish = false
cargo-fuzz = true
[dependencies]
ethereum-types = "0.4.0"
ethereum-types = "0.5"
[dependencies.ssz]
path = ".."
@ -84,22 +84,22 @@ path = "fuzz_targets/fuzz_target_address_decode.rs"
name = "fuzz_target_address_encode"
path = "fuzz_targets/fuzz_target_address_encode.rs"
[[bin]]
name = "fuzz_target_vec_decode"
path = "fuzz_targets/fuzz_target_vec_decode.rs"
[[bin]]
name = "fuzz_target_vec_address_decode"
path = "fuzz_targets/fuzz_target_vec_address_decode.rs"
[[bin]]
name = "fuzz_target_vec_u64_decode"
path = "fuzz_targets/fuzz_target_vec_u64_decode.rs"
[[bin]]
name = "fuzz_target_vec_bool_decode"
path = "fuzz_targets/fuzz_target_vec_bool_decode.rs"
[[bin]]
name = "fuzz_target_vec_decode"
path = "fuzz_targets/fuzz_target_vec_decode.rs"
[[bin]]
name = "fuzz_target_vec_encode"
path = "fuzz_targets/fuzz_target_vec_encode.rs"
[[bin]]
name = "fuzz_target_vec_u64_decode"
path = "fuzz_targets/fuzz_target_vec_u64_decode.rs"

11
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_address_decode.rs
View File

@ -4,18 +4,17 @@ extern crate ethereum_types;
extern crate ssz;
use ethereum_types::Address;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(Address, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 20 {
let result: Result<Address, DecodeError> = decode(data);
if data.len() == 20 {
// Should have valid result
let (address, index) = result.unwrap();
assert_eq!(index, 20);
let address = result.unwrap();
assert_eq!(address, Address::from_slice(&data[..20]));
} else {
// Length of less than 32 should return error
assert_eq!(result, Err(DecodeError::TooShort));
assert!(result.is_err());
}
});

18
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_bool_decode.rs
View File

@ -2,27 +2,23 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(bool, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 1 {
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
if data[0] == u8::pow(2,7) {
let (val_bool, index) = result.unwrap();
let result: Result<bool, DecodeError> = decode(data);
if data.len() == 1 {
if data[0] == 1 {
let val_bool = result.unwrap();
assert!(val_bool);
assert_eq!(index, 1);
} else if data[0] == 0 {
let (val_bool, index) = result.unwrap();
let val_bool = result.unwrap();
assert!(!val_bool);
assert_eq!(index, 1);
} else {
assert_eq!(result, Err(DecodeError::Invalid));
}
} else {
// Length of 0 should return error
assert_eq!(result, Err(DecodeError::TooShort));
assert!(result.is_err());
}
});

4
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_bool_encode.rs
View File

@ -15,8 +15,6 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&val_bool);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(val_bool, ssz[0] % u8::pow(2, 6));
assert_eq!(val_bool, ssz[0]);
assert_eq!(ssz.len(), 1);
});

11
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_hash256_decode.rs
View File

@ -4,18 +4,17 @@ extern crate ethereum_types;
extern crate ssz;
use ethereum_types::H256;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(H256, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 32 {
let result: Result<H256, DecodeError> = decode(data);
if data.len() == 32 {
// Should have valid result
let (hash, index) = result.unwrap();
assert_eq!(index, 32);
let hash = result.unwrap();
assert_eq!(hash, H256::from_slice(&data[..32]));
} else {
// Length of less than 32 should return error
assert_eq!(result, Err(DecodeError::TooShort));
assert!(result.is_err());
}
});

15
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u16_decode.rs
View File

@ -2,21 +2,18 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(u16, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 2 {
let result: Result<u16, DecodeError> = decode(data);
if data.len() == 2 {
// Valid result
let (number_u16, index) = result.unwrap();
assert_eq!(index, 2);
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
let val = u16::from_be_bytes([data[0], data[1]]);
let number_u16 = result.unwrap();
let val = u16::from_le_bytes([data[0], data[1]]);
assert_eq!(number_u16, val);
} else {
// Length of 0 or 1 should return error
assert_eq!(result, Err(DecodeError::TooShort));
assert!(result.is_err());
}
});

4
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u16_encode.rs
View File

@ -15,8 +15,6 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&number_u16);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(ssz.len(), 2);
assert_eq!(number_u16, u16::from_be_bytes([ssz[0], ssz[1]]));
assert_eq!(number_u16, u16::from_le_bytes([ssz[0], ssz[1]]));
});

17
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u32_decode.rs
View File

@ -2,21 +2,18 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(u32, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 4 {
let result: Result<u32, DecodeError> = decode(data);
if data.len() == 4 {
// Valid result
let (number_u32, index) = result.unwrap();
assert_eq!(index, 4);
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
let val = u32::from_be_bytes([data[0], data[1], data[2], data[3]]);
let number_u32 = result.unwrap();
let val = u32::from_le_bytes([data[0], data[1], data[2], data[3]]);
assert_eq!(number_u32, val);
} else {
// Length less then 4 should return error
assert_eq!(result, Err(DecodeError::TooShort));
// Length not 4 should return error
assert!(result.is_err());
}
});

4
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u32_encode.rs
View File

@ -15,8 +15,6 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&number_u32);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(ssz.len(), 4);
assert_eq!(number_u32, u32::from_be_bytes([ssz[0], ssz[1], ssz[2], ssz[3]]));
assert_eq!(number_u32, u32::from_le_bytes([ssz[0], ssz[1], ssz[2], ssz[3]]));
});

17
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u64_decode.rs
View File

@ -2,18 +2,15 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(u64, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 8 {
let result: Result<u64, DecodeError> = decode(data);
if data.len() == 8 {
// Valid result
let (number_u64, index) = result.unwrap();
assert_eq!(index, 8);
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
let val = u64::from_be_bytes([
let number_u64 = result.unwrap();
let val = u64::from_le_bytes([
data[0],
data[1],
data[2],
@ -25,7 +22,7 @@ fuzz_target!(|data: &[u8]| {
]);
assert_eq!(number_u64, val);
} else {
// Length less then 8 should return error
assert_eq!(result, Err(DecodeError::TooShort));
// Length not 8 should return error
assert!(result.is_err());
}
});

6
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u64_encode.rs
View File

@ -9,7 +9,7 @@ fuzz_target!(|data: &[u8]| {
let mut ssz = SszStream::new();
let mut number_u64 = 0;
if data.len() >= 8 {
number_u64 = u64::from_be_bytes([
number_u64 = u64::from_le_bytes([
data[0],
data[1],
data[2],
@ -24,10 +24,8 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&number_u64);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(ssz.len(), 8);
assert_eq!(number_u64, u64::from_be_bytes([
assert_eq!(number_u64, u64::from_le_bytes([
ssz[0],
ssz[1],
ssz[2],

15
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u8_decode.rs
View File

@ -2,20 +2,17 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let result: Result<(u8, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 1 {
let result: Result<u8, DecodeError> = decode(data);
if data.len() == 1 {
// Should have valid result
let (number_u8, index) = result.unwrap();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(index, 1);
let number_u8 = result.unwrap();
assert_eq!(number_u8, data[0]);
} else {
// Length of 0 should return error
assert_eq!(result, Err(DecodeError::TooShort));
// Length not 1 should return error
assert!(result.is_err());
}
});

2
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_u8_encode.rs
View File

@ -15,8 +15,6 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&number_u8);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(number_u8, ssz[0]);
assert_eq!(ssz.len(), 1);
});

17
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_usize_decode.rs
View File

@ -2,19 +2,16 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{DecodeError, decode};
// Fuzz ssz_decode()
// Fuzz decode()
fuzz_target!(|data: &[u8]| {
// Note: we assume architecture is 64 bit -> usize == 64 bits
let result: Result<(usize, usize), DecodeError> = Decodable::ssz_decode(data, 0);
if data.len() >= 8 {
let result: Result<usize, DecodeError> = decode(data);
if data.len() == 8 {
// Valid result
let (number_usize, index) = result.unwrap();
assert_eq!(index, 8);
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
let val = u64::from_be_bytes([
let number_usize = result.unwrap();
let val = u64::from_le_bytes([
data[0],
data[1],
data[2],
@ -27,6 +24,6 @@ fuzz_target!(|data: &[u8]| {
assert_eq!(number_usize, val as usize);
} else {
// Length less then 8 should return error
assert_eq!(result, Err(DecodeError::TooShort));
assert!(result.is_err());
}
});

6
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_usize_encode.rs
View File

@ -9,7 +9,7 @@ fuzz_target!(|data: &[u8]| {
let mut ssz = SszStream::new();
let mut number_usize = 0;
if data.len() >= 8 {
number_usize = u64::from_be_bytes([
number_usize = u64::from_le_bytes([
data[0],
data[1],
data[2],
@ -24,10 +24,8 @@ fuzz_target!(|data: &[u8]| {
ssz.append(&number_usize);
let ssz = ssz.drain();
// TODO: change to little endian bytes
// https://github.com/sigp/lighthouse/issues/215
assert_eq!(ssz.len(), 8);
assert_eq!(number_usize, u64::from_be_bytes([
assert_eq!(number_usize, u64::from_le_bytes([
ssz[0],
ssz[1],
ssz[2],

4
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_vec_address_decode.rs
View File

@ -4,9 +4,9 @@ extern crate ethereum_types;
extern crate ssz;
use ethereum_types::{Address};
use ssz::{DecodeError, Decodable};
use ssz::{decode, DecodeError};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let _result: Result<(Vec<Address>, usize), DecodeError> = Decodable::ssz_decode(data, 0);
let _result: Result<Vec<Address>, DecodeError> = decode(data);
});

4
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_vec_bool_decode.rs
View File

@ -2,9 +2,9 @@
#[macro_use] extern crate libfuzzer_sys;
extern crate ssz;
use ssz::{DecodeError, Decodable};
use ssz::{decode, DecodeError};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let _result: Result<(Vec<bool>, usize), DecodeError> = Decodable::ssz_decode(data, 0);
let _result: Result<Vec<bool>, DecodeError> = decode(data);
});

5
eth2/utils/ssz/fuzz/fuzz_targets/fuzz_target_vec_decode.rs
View File

@ -3,10 +3,9 @@
extern crate ethereum_types;
extern crate ssz;
use ethereum_types::{Address, H256};
use ssz::{DecodeError, Decodable};
use ssz::{decode, DecodeError, Decodable};
// Fuzz ssz_decode()
fuzz_target!(|data: &[u8]| {
let _result: Result<(Vec<u8>, usize), DecodeError> = Decodable::ssz_decode(data, 0);
let _result: Result<Vec<u8>, DecodeError> = decode(data);
});

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