Eth1 Integration (#542)

* Refactor to cache Eth1Data

* Fix merge conflicts and minor refactorings

* Rename Eth1Cache to Eth1DataCache

* Refactor events subscription

* Add deposits module to interface with BeaconChain deposits

* Remove utils

* Rename to types.rs and add trait constraints to Eth1DataFetcher

* Confirm to trait constraints. Make Web3DataFetcher cloneable

* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests

* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging

* Run `cargo fmt` and make tests pass

* Convert sync functions to async

* Add timeouts to web3 functions

* Return futures from cache functions

* Add failed chaining of futures

* Working cache updation

* Clean up tests and `update_cache` function

* Refactor `get_eth1_data` functions to work with future returning functions

* Refactor eth1 `run` function to work with modified `update_cache` api

* Minor changes

* Add distance parameter to `update_cache`

* Fix tests and other minor fixes

* Working integration with cache and deposits

* Add merkle_tree construction, proof generation and verification code

* Add function to construct and fetch Deposits for BeaconNode

* Add error handling

* Import ssz

* Add error handling to eth1 cache and fix minor errors

* Run rustfmt

* Fix minor bug

* Rename Eth1Error and change to Result<T>

* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes

* Fix formatting

* Initial commit. web3 api working.

* Tidied up lib. Add function for fetching logs.

* Refactor with `Eth1DataFetcher` trait

* Add parsing for deposit contract logs and get_eth1_data function

* Add `get_eth1_votes` function

* Refactor to cache Eth1Data

* Fix merge conflicts and minor refactorings

* Rename Eth1Cache to Eth1DataCache

* Refactor events subscription

* Add deposits module to interface with BeaconChain deposits

* Remove utils

* Rename to types.rs and add trait constraints to Eth1DataFetcher

* Confirm to trait constraints. Make Web3DataFetcher cloneable

* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests

* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging

* Run `cargo fmt` and make tests pass

* Convert sync functions to async

* Add timeouts to web3 functions

* Return futures from cache functions

* Add failed chaining of futures

* Working cache updation

* Clean up tests and `update_cache` function

* Refactor `get_eth1_data` functions to work with future returning functions

* Refactor eth1 `run` function to work with modified `update_cache` api

* Minor changes

* Add distance parameter to `update_cache`

* Fix tests and other minor fixes

* Working integration with cache and deposits

* Add merkle_tree construction, proof generation and verification code

* Add function to construct and fetch Deposits for BeaconNode

* Add error handling

* Import ssz

* Add error handling to eth1 cache and fix minor errors

* Run rustfmt

* Fix minor bug

* Rename Eth1Error and change to Result<T>

* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes

* Fix formatting

* Fix merge issue

* Refactor with `Config` struct. Remote `ContractConfig`

* Rename eth1_chain crate to eth1

* Rename files and read abi file using `fs::read`

* Move eth1 to lib

* Remove unnecessary mutability constraint

* Add `Web3Backend` for returning actual eth1 data

* Refactor `get_eth1_votes` to return a Result

* Delete `eth1_chain` crate

* Return `Result` from `get_deposits`

* Fix range of deposits to return to beacon chain

* Add `get_block_height_by_hash` trait function

* Add naive method for getting `previous_eth1_distance`

* Add eth1 config params to main config

* Add instructions for setting up eth1 testing environment

* Add build script to fetch deposit contract abi

* Contract ABI is part of compiled binary

* Fix minor bugs

* Move docs to lib

* Add timeout to config

* Remove print statements

* Change warn to error

* Fix typos

* Removed prints in test and get timeout value from config

* Fixed error types

* Added logging to web3_fetcher

* Refactor for modified web3 api

* Fix minor stuff

* Add build script

* Tidy, hide eth1 integration tests behind flag

* Add http crate

* Add first stages of eth1_test_rig

* Fix deposits on test rig

* Fix bug with deposit count method

* Add block hash getter to http eth1

* Clean eth1 http crate and tests

* Add script to start ganache

* Adds deposit tree to eth1-http

* Extend deposit tree tests

* Tidy tests in eth1-http

* Add more detail to get block request

* Add block cache to eth1-http

* Rename deposit tree to deposit cache

* Add inital updating to eth1-http

* Tidy updater

* Fix compile bugs in tests

* Adds an Eth1DataCache builder

* Reorg eth1-http files

* Add (failing) tests for eth1 updater

* Rename files, fix bug in eth1-http

* Ensure that ganache timestamps are increasing

* Fix bugs with getting eth1data ancestors

* Improve eth1 testing, fix bugs

* Add truncate method to block cache

* Add pruning to block cache update process

* Add tests for block pruning

* Allow for dropping an expired cache.

* Add more comments

* Add first compiling version of deposit updater

* Add common fn for getting range of required blocks

* Add passing deposit update test

* Improve tests

* Fix block pruning bug

* Add tests for running two updates at once

* Add updater services to eth1

* Add deposit collection to beacon chain

* Add incomplete builder experiments

* Add first working version of beacon chain builder

* Update test harness to new beacon chain type

* Rename builder file, tidy

* Add first working client builder

* Progress further on client builder

* Update becaon node binary to use client builder

* Ensure release tests compile

* Remove old eth1 crate

* Add first pass of new lighthouse binary

* Fix websocket server startup

* Remove old binary code from beacon_node crate

* Add first working beacon node tests

* Add genesis crate, new eth1 cache_2

* Add Serivce to Eth1Cache

* Refactor with general eth1 improvements

* Add passing genesis test

* Tidy, add comments

* Add more comments to eth1 service

* Add further eth1 progress

* Fix some bugs with genesis

* Fix eth1 bugs, make eth1 linking more efficient

* Shift logic in genesis service

* Add more comments to genesis service

* Add gzip, max request values, timeouts to http

* Update testnet parameters to suit goerli testnet

* Add ability to vary Fork, fix custom spec

* Be more explicit about deposit fork version

* Start adding beacon chain eth1 option

* Add more flexibility to prod client

* Further runtime refactoring

* Allow for starting from store

* Add bootstrapping to client config

* Add remote_beacon_node crate

* Update eth1 service for more configurability

* Update eth1 tests to use less runtimes

* Patch issues with tests using too many files

* Move dummy eth1 backend flag

* Ensure all tests pass

* Add ganache-cli to Dockerfile

* Use a special docker hub image for testing

* Appease clippy

* Move validator client into lighthouse binary

* Allow starting with dummy eth1 backend

* Improve logging

* Fix dummy eth1 backend from cli

* Add extra testnet command

* Ensure consistent spec in beacon node

* Update eth1 rig to work on goerli

* Tidy lcli, start adding support for yaml config

* Add incomplete YamlConfig struct

* Remove efforts at YamlConfig

* Add incomplete eth1 voting. Blocked on spec issues

* Add (untested) first pass at eth1 vote algo

* Add tests for winning vote

* Add more tests for eth1 chain

* Add more eth1 voting tests

* Added more eth1 voting testing

* Change test name

* Add more tests to eth1 chain

* Tidy eth1 generics, add more tests

* Improve comments

* Tidy beacon_node tests

* Tidy, rename JsonRpc.. to Caching..

* Tidy voting logic

* Tidy builder docs

* Add comments, tidy eth1

* Add more comments to eth1

* Fix bug with winning_vote

* Add doc comments to the `ClientBuilder`

* Remove commented-out code

* Improve `ClientBuilder` docs

* Add comments to client config

* Add decoding test for `ClientConfig`

* Remove unused `DepositSet` struct

* Tidy `block_cache`

* Remove commented out lines

* Remove unused code in `eth1` crate

* Remove old validator binary `main.rs`

* Tidy, fix tests compile error

* Add initial tests for get_deposits

* Remove dead code in eth1_test_rig

* Update TestingDepositBuilder

* Add testing for getting eth1 deposits

* Fix duplicate rand dep

* Remove dead code

* Remove accidentally-added files

* Fix comment in eth1_genesis_service

* Add .gitignore for eth1_test_rig

* Fix bug in eth1_genesis_service

* Remove dead code from eth2_config

* Fix tabs/spaces in root Cargo.toml

* Tidy eth1 crate

* Allow for re-use of eth1 service after genesis

* Update docs for new CLI

* Change README gif

* Tidy eth1 http module

* Tidy eth1 service

* Tidy environment crate

* Remove unused file

* Tidy, add comments

* Remove commented-out code

* Address majority of Michael's comments

* Address other PR comments

* Add link to issue alongside TODO
This commit is contained in:
Paul Hauner
2019-11-15 14:47:51 +11:00
committed by GitHub
parent 97729f8654
commit f229bbba1c
99 changed files with 8263 additions and 1631 deletions

View File

@@ -2,327 +2,58 @@ extern crate slog;
mod config;
pub mod builder;
pub mod error;
pub mod notifier;
use beacon_chain::{
lmd_ghost::ThreadSafeReducedTree, slot_clock::SystemTimeSlotClock, store::Store,
test_utils::generate_deterministic_keypairs, BeaconChain, BeaconChainBuilder,
};
use beacon_chain::BeaconChain;
use exit_future::Signal;
use futures::{future::Future, Stream};
use network::Service as NetworkService;
use rest_api::NetworkInfo;
use slog::{crit, debug, error, info, o};
use slot_clock::SlotClock;
use std::marker::PhantomData;
use std::net::SocketAddr;
use std::sync::Arc;
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
use tokio::runtime::TaskExecutor;
use tokio::timer::Interval;
use types::EthSpec;
use websocket_server::WebSocketSender;
pub use beacon_chain::{BeaconChainTypes, Eth1ChainBackend, InteropEth1ChainBackend};
pub use config::{BeaconChainStartMethod, Config as ClientConfig, Eth1BackendMethod};
pub use beacon_chain::{BeaconChainTypes, Eth1ChainBackend};
pub use builder::ClientBuilder;
pub use config::{ClientGenesis, Config as ClientConfig};
pub use eth2_config::Eth2Config;
#[derive(Clone)]
pub struct RuntimeBeaconChainTypes<S: Store, E: EthSpec> {
_phantom_s: PhantomData<S>,
_phantom_e: PhantomData<E>,
/// The core "beacon node" client.
///
/// Holds references to running services, cleanly shutting them down when dropped.
pub struct Client<T: BeaconChainTypes> {
beacon_chain: Option<Arc<BeaconChain<T>>>,
libp2p_network: Option<Arc<NetworkService<T>>>,
http_listen_addr: Option<SocketAddr>,
websocket_listen_addr: Option<SocketAddr>,
/// Exit signals will "fire" when dropped, causing each service to exit gracefully.
_exit_signals: Vec<Signal>,
}
impl<S, E> BeaconChainTypes for RuntimeBeaconChainTypes<S, E>
where
S: Store + 'static,
E: EthSpec,
{
type Store = S;
type SlotClock = SystemTimeSlotClock;
type LmdGhost = ThreadSafeReducedTree<S, E>;
type Eth1Chain = InteropEth1ChainBackend<E>;
type EthSpec = E;
type EventHandler = WebSocketSender<E>;
}
impl<T: BeaconChainTypes> Client<T> {
/// Returns an `Arc` reference to the client's `BeaconChain`, if it was started.
pub fn beacon_chain(&self) -> Option<Arc<BeaconChain<T>>> {
self.beacon_chain.clone()
}
/// Main beacon node client service. This provides the connection and initialisation of the clients
/// sub-services in multiple threads.
pub struct Client<S, E>
where
S: Store + Clone + 'static,
E: EthSpec,
{
/// Configuration for the lighthouse client.
_client_config: ClientConfig,
/// The beacon chain for the running client.
beacon_chain: Arc<BeaconChain<RuntimeBeaconChainTypes<S, E>>>,
/// Reference to the network service.
pub network: Arc<NetworkService<RuntimeBeaconChainTypes<S, E>>>,
/// 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>,
/// Signal to terminate the API
pub api_exit_signal: Option<Signal>,
/// Signal to terminate the websocket server
pub websocket_exit_signal: Option<Signal>,
/// The clients logger.
log: slog::Logger,
}
/// Returns the address of the client's HTTP API server, if it was started.
pub fn http_listen_addr(&self) -> Option<SocketAddr> {
self.http_listen_addr
}
impl<S, E> Client<S, E>
where
S: Store + Clone + 'static,
E: EthSpec,
{
/// Generate an instance of the client. Spawn and link all internal sub-processes.
pub fn new(
client_config: ClientConfig,
eth2_config: Eth2Config,
store: S,
log: slog::Logger,
executor: &TaskExecutor,
) -> error::Result<Self> {
let store = Arc::new(store);
let milliseconds_per_slot = eth2_config.spec.milliseconds_per_slot;
/// Returns the address of the client's WebSocket API server, if it was started.
pub fn websocket_listen_addr(&self) -> Option<SocketAddr> {
self.websocket_listen_addr
}
let spec = &eth2_config.spec.clone();
let beacon_chain_builder = match &client_config.beacon_chain_start_method {
BeaconChainStartMethod::Resume => {
info!(
log,
"Starting beacon chain";
"method" => "resume"
);
BeaconChainBuilder::from_store(spec.clone(), log.clone())
}
BeaconChainStartMethod::Mainnet => {
crit!(log, "No mainnet beacon chain startup specification.");
return Err("Mainnet launch is not yet announced.".into());
}
BeaconChainStartMethod::RecentGenesis {
validator_count,
minutes,
} => {
info!(
log,
"Starting beacon chain";
"validator_count" => validator_count,
"minutes" => minutes,
"method" => "recent"
);
BeaconChainBuilder::recent_genesis(
&generate_deterministic_keypairs(*validator_count),
*minutes,
spec.clone(),
log.clone(),
)?
}
BeaconChainStartMethod::Generated {
validator_count,
genesis_time,
} => {
info!(
log,
"Starting beacon chain";
"validator_count" => validator_count,
"genesis_time" => genesis_time,
"method" => "quick"
);
BeaconChainBuilder::quick_start(
*genesis_time,
&generate_deterministic_keypairs(*validator_count),
spec.clone(),
log.clone(),
)?
}
BeaconChainStartMethod::Yaml { file } => {
info!(
log,
"Starting beacon chain";
"file" => format!("{:?}", file),
"method" => "yaml"
);
BeaconChainBuilder::yaml_state(file, spec.clone(), log.clone())?
}
BeaconChainStartMethod::Ssz { file } => {
info!(
log,
"Starting beacon chain";
"file" => format!("{:?}", file),
"method" => "ssz"
);
BeaconChainBuilder::ssz_state(file, spec.clone(), log.clone())?
}
BeaconChainStartMethod::Json { file } => {
info!(
log,
"Starting beacon chain";
"file" => format!("{:?}", file),
"method" => "json"
);
BeaconChainBuilder::json_state(file, spec.clone(), log.clone())?
}
BeaconChainStartMethod::HttpBootstrap { server, port } => {
info!(
log,
"Starting beacon chain";
"port" => port,
"server" => server,
"method" => "bootstrap"
);
BeaconChainBuilder::http_bootstrap(server, spec.clone(), log.clone())?
}
};
let eth1_backend =
InteropEth1ChainBackend::new(String::new()).map_err(|e| format!("{:?}", e))?;
// Start the websocket server.
let (websocket_sender, websocket_exit_signal): (WebSocketSender<E>, Option<_>) =
if client_config.websocket_server.enabled {
let (sender, exit) = websocket_server::start_server(
&client_config.websocket_server,
executor,
&log,
)?;
(sender, Some(exit))
} else {
(WebSocketSender::dummy(), None)
};
let beacon_chain: Arc<BeaconChain<RuntimeBeaconChainTypes<S, E>>> = Arc::new(
beacon_chain_builder
.build(store, eth1_backend, websocket_sender)
.map_err(error::Error::from)?,
);
let since_epoch = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map_err(|e| format!("Unable to read system time: {}", e))?;
let since_genesis = Duration::from_secs(beacon_chain.head().beacon_state.genesis_time);
if since_genesis > since_epoch {
info!(
log,
"Starting node prior to genesis";
"now" => since_epoch.as_secs(),
"genesis_seconds" => since_genesis.as_secs(),
);
}
let network_config = &client_config.network;
let (network, network_send) =
NetworkService::new(beacon_chain.clone(), network_config, executor, log.clone())?;
// spawn the RPC server
let rpc_exit_signal = if client_config.rpc.enabled {
Some(rpc::start_server(
&client_config.rpc,
executor,
network_send.clone(),
beacon_chain.clone(),
&log,
))
} else {
None
};
// Start the `rest_api` service
let api_exit_signal = if client_config.rest_api.enabled {
let network_info = NetworkInfo {
network_service: network.clone(),
network_chan: network_send.clone(),
};
match rest_api::start_server(
&client_config.rest_api,
executor,
beacon_chain.clone(),
network_info,
client_config.db_path().expect("unable to read datadir"),
eth2_config.clone(),
&log,
) {
Ok(s) => Some(s),
Err(e) => {
error!(log, "API service failed to start."; "error" => format!("{:?}",e));
None
}
}
} else {
None
};
let (slot_timer_exit_signal, exit) = exit_future::signal();
if let 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_millis(milliseconds_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 |_| {
log_new_slot(&chain, &log);
Ok(())
})
.map_err(|_| ()),
)
.map(|_| ()),
);
}
Ok(Client {
_client_config: client_config,
beacon_chain,
rpc_exit_signal,
slot_timer_exit_signal: Some(slot_timer_exit_signal),
api_exit_signal,
websocket_exit_signal,
log,
network,
})
/// Returns the port of the client's libp2p stack, if it was started.
pub fn libp2p_listen_port(&self) -> Option<u16> {
self.libp2p_network.as_ref().map(|n| n.listen_port())
}
}
impl<S: Store + Clone, E: EthSpec> Drop for Client<S, E> {
impl<T: BeaconChainTypes> Drop for Client<T> {
fn drop(&mut self) {
// Save the beacon chain to it's store before dropping.
let _result = self.beacon_chain.persist();
if let Some(beacon_chain) = &self.beacon_chain {
let _result = beacon_chain.persist();
}
}
}
fn log_new_slot<T: BeaconChainTypes>(chain: &Arc<BeaconChain<T>>, log: &slog::Logger) {
let best_slot = chain.head().beacon_block.slot;
let latest_block_root = chain.head().beacon_block_root;
if let Ok(current_slot) = chain.slot() {
info!(
log,
"Slot start";
"best_slot" => best_slot,
"slot" => current_slot,
);
debug!(
log,
"Slot info";
"skip_slots" => current_slot.saturating_sub(best_slot),
"best_block_root" => format!("{}", latest_block_root),
"slot" => current_slot,
);
} else {
error!(
log,
"Beacon chain running whilst slot clock is unavailable."
);
};
}