Merged age-validator-client into luke's changes on validator_client, and fixed all the merge conflicts.

This commit is contained in:
Luke Anderson
2019-03-28 20:55:07 +11:00
parent c9e8fe53bc
commit ba71e8adca
28 changed files with 540 additions and 258 deletions

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@@ -14,6 +14,7 @@ slog-term = "^2.4.0"
slog-async = "^2.3.0"
ctrlc = { version = "3.1.1", features = ["termination"] }
tokio = "0.1.15"
tokio-timer = "0.2.10"
futures = "0.1.25"
exit-future = "0.1.3"
state_processing = { path = "../eth2/state_processing" }

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@@ -342,8 +342,17 @@ where
// If required, transition the new state to the present slot.
for _ in state.slot.as_u64()..present_slot.as_u64() {
// Ensure the next epoch state caches are built in case of an epoch transition.
state.build_epoch_cache(RelativeEpoch::NextWithoutRegistryChange, &self.spec)?;
state.build_epoch_cache(RelativeEpoch::NextWithRegistryChange, &self.spec)?;
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()?;
Ok(())
}
@@ -405,6 +414,20 @@ where
}
}
/// Reads the slot clock (see `self.read_slot_clock()` and returns the number of slots since
/// genesis.
pub fn slots_since_genesis(&self) -> Option<SlotHeight> {
let now = self.read_slot_clock()?;
if now < self.spec.genesis_slot {
None
} else {
Some(SlotHeight::from(
now.as_u64() - self.spec.genesis_slot.as_u64(),
))
}
}
/// Returns slot of the present state.
///
/// This is distinct to `read_slot_clock`, which reads from the actual system clock. If

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@@ -28,15 +28,19 @@ pub fn initialise_beacon_chain(
let block_store = Arc::new(BeaconBlockStore::new(db.clone()));
let state_store = Arc::new(BeaconStateStore::new(db.clone()));
let state_builder = TestingBeaconStateBuilder::from_deterministic_keypairs(8, &spec);
let state_builder = TestingBeaconStateBuilder::from_default_keypairs_file_if_exists(8, &spec);
let (genesis_state, _keypairs) = state_builder.build();
let mut genesis_block = BeaconBlock::empty(&spec);
genesis_block.state_root = Hash256::from_slice(&genesis_state.hash_tree_root());
// Slot clock
let slot_clock = SystemTimeSlotClock::new(genesis_state.genesis_time, spec.seconds_per_slot)
.expect("Unable to load SystemTimeSlotClock");
let slot_clock = SystemTimeSlotClock::new(
spec.genesis_slot,
genesis_state.genesis_time,
spec.seconds_per_slot,
)
.expect("Unable to load SystemTimeSlotClock");
// Choose the fork choice
let fork_choice = BitwiseLMDGhost::new(block_store.clone(), state_store.clone());
@@ -65,15 +69,19 @@ pub fn initialise_test_beacon_chain(
let block_store = Arc::new(BeaconBlockStore::new(db.clone()));
let state_store = Arc::new(BeaconStateStore::new(db.clone()));
let state_builder = TestingBeaconStateBuilder::from_deterministic_keypairs(8, spec);
let state_builder = TestingBeaconStateBuilder::from_default_keypairs_file_if_exists(8, spec);
let (genesis_state, _keypairs) = state_builder.build();
let mut genesis_block = BeaconBlock::empty(spec);
genesis_block.state_root = Hash256::from_slice(&genesis_state.hash_tree_root());
// Slot clock
let slot_clock = SystemTimeSlotClock::new(genesis_state.genesis_time, spec.seconds_per_slot)
.expect("Unable to load SystemTimeSlotClock");
let slot_clock = SystemTimeSlotClock::new(
spec.genesis_slot,
genesis_state.genesis_time,
spec.seconds_per_slot,
)
.expect("Unable to load SystemTimeSlotClock");
// Choose the fork choice
let fork_choice = BitwiseLMDGhost::new(block_store.clone(), state_store.clone());

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@@ -14,6 +14,7 @@ types = { path = "../../eth2/types" }
slot_clock = { path = "../../eth2/utils/slot_clock" }
error-chain = "0.12.0"
slog = "^2.2.3"
ssz = { path = "../../eth2/utils/ssz" }
tokio = "0.1.15"
clap = "2.32.0"
dirs = "1.0.3"

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@@ -8,12 +8,20 @@ pub mod notifier;
use beacon_chain::BeaconChain;
pub use client_config::ClientConfig;
pub use client_types::ClientTypes;
use db::ClientDB;
use exit_future::Signal;
use fork_choice::ForkChoice;
use futures::{future::Future, Stream};
use network::Service as NetworkService;
use slog::o;
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.
@@ -26,6 +34,8 @@ pub struct Client<T: ClientTypes> {
pub network: Arc<NetworkService>,
/// Signal to terminate the RPC server.
pub rpc_exit_signal: Option<Signal>,
/// Signal to terminate the slot timer.
pub slot_timer_exit_signal: Option<Signal>,
/// The clients logger.
log: slog::Logger,
/// Marker to pin the beacon chain generics.
@@ -42,6 +52,35 @@ impl<TClientType: ClientTypes> Client<TClientType> {
// generate a beacon chain
let beacon_chain = TClientType::initialise_beacon_chain(&config);
if beacon_chain.read_slot_clock().is_none() {
panic!("Cannot start client before genesis!")
}
// Block starting the client until we have caught the state up to the current slot.
//
// If we don't block here we create an initial scenario where we're unable to process any
// blocks and we're basically useless.
{
let state_slot = beacon_chain.state.read().slot;
let wall_clock_slot = beacon_chain.read_slot_clock().unwrap();
let slots_since_genesis = beacon_chain.slots_since_genesis().unwrap();
info!(
log,
"Initializing state";
"state_slot" => state_slot,
"wall_clock_slot" => wall_clock_slot,
"slots_since_genesis" => slots_since_genesis,
"catchup_distance" => wall_clock_slot - state_slot,
);
}
do_state_catchup(&beacon_chain, &log);
info!(
log,
"State initialized";
"state_slot" => beacon_chain.state.read().slot,
"wall_clock_slot" => beacon_chain.read_slot_clock().unwrap(),
);
// Start the network service, libp2p and syncing threads
// TODO: Add beacon_chain reference to network parameters
let network_config = &config.net_conf;
@@ -65,13 +104,73 @@ impl<TClientType: ClientTypes> Client<TClientType> {
));
}
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() {
// set up the validator work interval - start at next slot and proceed every slot
let interval = {
// Set the interval to start at the next slot, and every slot after
let slot_duration = Duration::from_secs(config.spec.seconds_per_slot);
//TODO: Handle checked add correctly
Interval::new(Instant::now() + duration_to_next_slot, slot_duration)
};
let chain = beacon_chain.clone();
let log = log.new(o!("Service" => "SlotTimer"));
executor.spawn(
exit.until(
interval
.for_each(move |_| {
do_state_catchup(&chain, &log);
Ok(())
})
.map_err(|_| ()),
)
.map(|_| ()),
);
}
Ok(Client {
config,
beacon_chain,
rpc_exit_signal,
slot_timer_exit_signal: Some(slot_timer_exit_signal),
log,
network,
phantom: PhantomData,
})
}
}
fn do_state_catchup<T, U, F>(chain: &Arc<BeaconChain<T, U, F>>, log: &slog::Logger)
where
T: ClientDB,
U: SlotClock,
F: ForkChoice,
{
if let Some(genesis_height) = chain.slots_since_genesis() {
let result = chain.catchup_state();
let common = o!(
"best_slot" => chain.head().beacon_block.slot,
"latest_block_root" => format!("{}", chain.head().beacon_block_root),
"wall_clock_slot" => chain.read_slot_clock().unwrap(),
"state_slot" => chain.state.read().slot,
"slots_since_genesis" => genesis_height,
);
match result {
Ok(_) => info!(
log,
"NewSlot";
common
),
Err(e) => error!(
log,
"StateCatchupFailed";
"error" => format!("{:?}", e),
common
),
};
}
}

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@@ -2,7 +2,7 @@ use crate::Client;
use crate::ClientTypes;
use exit_future::Exit;
use futures::{Future, Stream};
use slog::{debug, info, o};
use slog::{debug, o};
use std::sync::{Arc, Mutex};
use std::time::{Duration, Instant};
use tokio::runtime::TaskExecutor;
@@ -22,7 +22,7 @@ pub fn run<T: ClientTypes>(client: &Client<T>, executor: TaskExecutor, exit: Exi
// build heartbeat logic here
let heartbeat = move |_| {
info!(log, "Temp heartbeat output");
debug!(log, "Temp heartbeat output");
//TODO: Remove this logic. Testing only
let mut count = counter.lock().unwrap();
*count += 1;

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@@ -49,12 +49,15 @@ 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));
let pubsub_message = match PubsubMessage::ssz_decode(&gs_msg.data, 0) {
//TODO: Punish peer on error
Err(e) => {
warn!(
self.log,
"Received undecodable message from Peer {:?}", gs_msg.source
"Received undecodable message from Peer {:?} error", gs_msg.source;
"error" => format!("{:?}", e)
);
return;
}
@@ -192,7 +195,7 @@ pub enum BehaviourEvent {
}
/// Messages that are passed to and from the pubsub (Gossipsub) behaviour.
#[derive(Debug, Clone)]
#[derive(Debug, Clone, PartialEq)]
pub enum PubsubMessage {
/// Gossipsub message providing notification of a new block.
Block(BlockRootSlot),
@@ -220,11 +223,11 @@ impl Decodable for PubsubMessage {
fn ssz_decode(bytes: &[u8], index: usize) -> Result<(Self, usize), DecodeError> {
let (id, index) = u32::ssz_decode(bytes, index)?;
match id {
1 => {
0 => {
let (block, index) = BlockRootSlot::ssz_decode(bytes, index)?;
Ok((PubsubMessage::Block(block), index))
}
2 => {
1 => {
let (attestation, index) = Attestation::ssz_decode(bytes, index)?;
Ok((PubsubMessage::Attestation(attestation), index))
}
@@ -232,3 +235,25 @@ impl Decodable for PubsubMessage {
}
}
}
#[cfg(test)]
mod test {
use super::*;
use types::*;
#[test]
fn ssz_encoding() {
let original = PubsubMessage::Block(BlockRootSlot {
block_root: Hash256::from_slice(&[42; 32]),
slot: Slot::new(4),
});
let encoded = ssz_encode(&original);
println!("{:?}", encoded);
let (decoded, _i) = PubsubMessage::ssz_decode(&encoded, 0).unwrap();
assert_eq!(original, decoded);
}
}

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@@ -523,9 +523,9 @@ impl SimpleSync {
msg: BlockRootSlot,
network: &mut NetworkContext,
) {
debug!(
info!(
self.log,
"BlockSlot";
"NewGossipBlock";
"peer" => format!("{:?}", peer_id),
);
// TODO: filter out messages that a prior to the finalized slot.
@@ -557,9 +557,9 @@ impl SimpleSync {
msg: Attestation,
_network: &mut NetworkContext,
) {
debug!(
info!(
self.log,
"Attestation";
"NewAttestationGossip";
"peer" => format!("{:?}", peer_id),
);

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@@ -1,3 +1,4 @@
use crate::beacon_chain::BeaconChain;
use crossbeam_channel;
use eth2_libp2p::rpc::methods::BlockRootSlot;
use eth2_libp2p::PubsubMessage;
@@ -10,10 +11,14 @@ use protos::services::{
};
use protos::services_grpc::BeaconBlockService;
use slog::Logger;
use types::{Hash256, Slot};
use slog::{debug, error, info, warn};
use ssz::{Decodable, TreeHash};
use std::sync::Arc;
use types::{BeaconBlock, Hash256, Slot};
#[derive(Clone)]
pub struct BeaconBlockServiceInstance {
pub chain: Arc<BeaconChain>,
pub network_chan: crossbeam_channel::Sender<NetworkMessage>,
pub log: Logger,
}
@@ -30,8 +35,7 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
// TODO: build a legit block.
let mut block = BeaconBlockProto::new();
block.set_slot(req.get_slot());
block.set_block_root(b"cats".to_vec());
block.set_ssz(b"cats".to_vec());
let mut resp = ProduceBeaconBlockResponse::new();
resp.set_block(block);
@@ -49,26 +53,88 @@ impl BeaconBlockService for BeaconBlockServiceInstance {
req: PublishBeaconBlockRequest,
sink: UnarySink<PublishBeaconBlockResponse>,
) {
let block = req.get_block();
let block_root = Hash256::from_slice(block.get_block_root());
let block_slot = BlockRootSlot {
block_root,
slot: Slot::from(block.get_slot()),
};
println!("publishing block with root {:?}", block_root);
// TODO: Obtain topics from the network service properly.
let topic = types::TopicBuilder::new("beacon_chain".to_string()).build();
let message = PubsubMessage::Block(block_slot);
println!("Sending beacon block to gossipsub");
self.network_chan.send(NetworkMessage::Publish {
topics: vec![topic],
message,
});
// TODO: actually process the block.
let mut resp = PublishBeaconBlockResponse::new();
resp.set_success(true);
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() {
// Block was successfully processed.
info!(
self.log,
"PublishBeaconBlock";
"type" => "valid_block",
"block_slot" => block.slot,
"outcome" => format!("{:?}", outcome)
);
// 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,
});
println!("Sending beacon block to gossipsub");
self.network_chan.send(NetworkMessage::Publish {
topics: vec![topic],
message,
});
resp.set_success(true);
} else if outcome.is_invalid() {
// Block was invalid.
warn!(
self.log,
"PublishBeaconBlock";
"type" => "invalid_block",
"outcome" => format!("{:?}", outcome)
);
resp.set_success(false);
resp.set_msg(
format!("InvalidBlock: {:?}", outcome).as_bytes().to_vec(),
);
} else {
// Some failure during processing.
warn!(
self.log,
"PublishBeaconBlock";
"type" => "unable_to_import",
"outcome" => format!("{:?}", outcome)
);
resp.set_success(false);
resp.set_msg(format!("other: {:?}", outcome).as_bytes().to_vec());
}
}
Err(e) => {
// Some failure during processing.
error!(
self.log,
"PublishBeaconBlock";
"type" => "failed_to_process",
"error" => format!("{:?}", e)
);
resp.set_success(false);
resp.set_msg(format!("failed_to_process: {:?}", e).as_bytes().to_vec());
}
}
resp.set_success(true);
}
Err(_) => {
resp.set_success(false);
resp.set_msg(b"Invalid SSZ".to_vec());
}
};
let f = sink
.success(resp)

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@@ -5,14 +5,18 @@ use beacon_chain::{
parking_lot::RwLockReadGuard,
slot_clock::SlotClock,
types::{BeaconState, ChainSpec},
CheckPoint,
};
pub use beacon_chain::{BeaconChainError, BlockProcessingOutcome};
use types::BeaconBlock;
/// The RPC's API to the beacon chain.
pub trait BeaconChain: Send + Sync {
fn get_spec(&self) -> &ChainSpec;
fn get_state(&self) -> RwLockReadGuard<BeaconState>;
fn process_block(&self, block: BeaconBlock)
-> Result<BlockProcessingOutcome, BeaconChainError>;
}
impl<T, U, F> BeaconChain for RawBeaconChain<T, U, F>
@@ -28,4 +32,11 @@ where
fn get_state(&self) -> RwLockReadGuard<BeaconState> {
self.state.read()
}
fn process_block(
&self,
block: BeaconBlock,
) -> Result<BlockProcessingOutcome, BeaconChainError> {
self.process_block(block)
}
}

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@@ -1,7 +1,7 @@
use crate::beacon_chain::BeaconChain;
use futures::Future;
use grpcio::{RpcContext, UnarySink};
use protos::services::{Empty, Fork, NodeInfo};
use protos::services::{Empty, Fork, NodeInfoResponse};
use protos::services_grpc::BeaconNodeService;
use slog::{trace, warn};
use std::sync::Arc;
@@ -14,11 +14,11 @@ pub struct BeaconNodeServiceInstance {
impl BeaconNodeService for BeaconNodeServiceInstance {
/// Provides basic node information.
fn info(&mut self, ctx: RpcContext, _req: Empty, sink: UnarySink<NodeInfo>) {
fn info(&mut self, ctx: RpcContext, _req: Empty, sink: UnarySink<NodeInfoResponse>) {
trace!(self.log, "Node info requested via RPC");
// build the response
let mut node_info = NodeInfo::new();
let mut node_info = NodeInfoResponse::new();
node_info.set_version(version::version());
// get the chain state
@@ -34,6 +34,7 @@ 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);
// send the node_info the requester

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@@ -43,6 +43,7 @@ pub fn start_server(
let beacon_block_service = {
let instance = BeaconBlockServiceInstance {
chain: beacon_chain.clone(),
network_chan,
log: log.clone(),
};

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@@ -4,9 +4,10 @@ use futures::Future;
use grpcio::{RpcContext, RpcStatus, RpcStatusCode, UnarySink};
use protos::services::{ActiveValidator, GetDutiesRequest, GetDutiesResponse, ValidatorDuty};
use protos::services_grpc::ValidatorService;
use slog::{debug, Logger};
use slog::{debug, info, warn, Logger};
use ssz::Decodable;
use std::sync::Arc;
use types::{Epoch, RelativeEpoch};
#[derive(Clone)]
pub struct ValidatorServiceInstance {
@@ -28,23 +29,47 @@ impl ValidatorService for ValidatorServiceInstance {
let validators = req.get_validators();
debug!(self.log, "RPC request"; "endpoint" => "GetValidatorDuties", "epoch" => req.get_epoch());
let epoch = req.get_epoch();
let epoch = Epoch::from(req.get_epoch());
let mut resp = GetDutiesResponse::new();
let resp_validators = resp.mut_active_validators();
let spec = self.chain.get_spec();
let state = self.chain.get_state();
//TODO: Decide whether to rebuild the cache
//TODO: Get the active validator indicies
//let active_validator_indices = self.chain.state.read().get_cached_active_validator_indices(
let active_validator_indices = vec![1, 2, 3, 4, 5, 6, 7, 8];
// TODO: Is this the most efficient? Perhaps we cache this data structure.
let relative_epoch =
match RelativeEpoch::from_epoch(state.slot.epoch(spec.slots_per_epoch), epoch) {
Ok(v) => v,
Err(e) => {
// incorrect epoch
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::FailedPrecondition,
Some(format!("Invalid epoch: {:?}", e)),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
// this is an array of validators who are to propose this epoch
// TODO: RelativeEpoch?
//let validator_proposers = [0..spec.slots_per_epoch].iter().map(|slot| state.get_beacon_proposer_index(Slot::from(slot), epoch, &spec)).collect();
let validator_proposers: Vec<u64> = vec![1, 2, 3, 4, 5];
let validator_proposers: Result<Vec<usize>, _> = epoch
.slot_iter(spec.slots_per_epoch)
.map(|slot| state.get_beacon_proposer_index(slot, relative_epoch, &spec))
.collect();
let validator_proposers = match validator_proposers {
Ok(v) => v,
Err(e) => {
// could not get the validator proposer index
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::FailedPrecondition,
Some(format!("Could not find beacon proposers: {:?}", e)),
))
.map_err(move |e| warn!(log_clone, "failed to reply {:?} : {:?}", req, e));
return ctx.spawn(f);
}
};
// get the duties for each validator
for validator_pk in validators.get_public_keys() {
@@ -53,45 +78,65 @@ impl ValidatorService for ValidatorServiceInstance {
let public_key = match PublicKey::ssz_decode(validator_pk, 0) {
Ok((v, _index)) => v,
Err(_) => {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::InvalidArgument,
Some("Invalid public_key".to_string()),
))
//TODO: Handle error correctly
.map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
.map_err(move |e| warn!(log_clone, "failed to reply {:?}", req));
return ctx.spawn(f);
}
};
// is the validator active
// get the validator index
let val_index = match state.get_validator_index(&public_key) {
Ok(Some(index)) => {
if active_validator_indices.contains(&index) {
// validator is active, return the index
index
} else {
// validator is inactive, go to the next validator
active_validator.set_none(false);
resp_validators.push(active_validator);
break;
}
}
// validator index is not known, skip it
Ok(_) => {
Ok(Some(index)) => index,
Ok(None) => {
// index not present in registry, set the duties for this key to None
warn!(
self.log,
"RPC requested a public key that is not in the registry: {:?}", public_key
);
active_validator.set_none(false);
resp_validators.push(active_validator);
break;
continue;
}
// the cache is not built, throw an error
Err(_) => {
Err(e) => {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::FailedPrecondition,
Some("Beacon state cache is not built".to_string()),
Some(format!("Beacon state error {:?}", e)),
))
//TODO: Handle error correctly
.map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
.map_err(move |e| warn!(log_clone, "Failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
// get attestation duties and check if validator is active
let attestation_duties = match state.get_attestation_duties(val_index, &spec) {
Ok(Some(v)) => v,
Ok(_) => {
// validator is inactive, go to the next validator
warn!(
self.log,
"RPC requested an inactive validator key: {:?}", public_key
);
active_validator.set_none(false);
resp_validators.push(active_validator);
continue;
}
// the cache is not built, throw an error
Err(e) => {
let log_clone = self.log.clone();
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::FailedPrecondition,
Some(format!("Beacon state error {:?}", e)),
))
.map_err(move |e| warn!(log_clone, "Failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
@@ -100,33 +145,15 @@ impl ValidatorService for ValidatorServiceInstance {
let mut duty = ValidatorDuty::new();
// check if the validator needs to propose a block
if let Some(slot) = validator_proposers
.iter()
.position(|&v| val_index as u64 == v)
{
duty.set_block_production_slot(epoch * spec.slots_per_epoch + slot as u64);
if let Some(slot) = validator_proposers.iter().position(|&v| val_index == v) {
duty.set_block_production_slot(
epoch.start_slot(spec.slots_per_epoch).as_u64() + slot as u64,
);
} else {
// no blocks to propose this epoch
duty.set_none(false)
}
// get attestation duties
let attestation_duties = match state.get_attestation_duties(val_index, &spec) {
Ok(Some(v)) => v,
Ok(_) => unreachable!(), //we've checked the validator index
// the cache is not built, throw an error
Err(_) => {
let f = sink
.fail(RpcStatus::new(
RpcStatusCode::FailedPrecondition,
Some("Beacon state cache is not built".to_string()),
))
//TODO: Handle error correctly
.map_err(move |e| println!("failed to reply {:?}: {:?}", req, e));
return ctx.spawn(f);
}
};
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);

View File

@@ -6,10 +6,12 @@ use futures::Future;
use slog::info;
use std::cell::RefCell;
use tokio::runtime::Builder;
use tokio_timer::clock::Clock;
pub fn run_beacon_node(config: ClientConfig, log: &slog::Logger) -> error::Result<()> {
let mut runtime = Builder::new()
.name_prefix("main-")
.clock(Clock::system())
.build()
.map_err(|e| format!("{:?}", e))?;