Files
lighthouse/beacon_node/rest_api/src/router.rs
2019-11-22 15:20:58 +11:00

173 lines
7.1 KiB
Rust

use crate::{
beacon, error::ApiError, helpers, metrics, network, node, spec, validator, BoxFut,
NetworkChannel,
};
use beacon_chain::{BeaconChain, BeaconChainTypes};
use client_network::Service as NetworkService;
use eth2_config::Eth2Config;
use futures::{Future, IntoFuture};
use hyper::{Body, Error, Method, Request, Response};
use slog::debug;
use std::path::PathBuf;
use std::sync::Arc;
fn into_boxfut<F: IntoFuture + 'static>(item: F) -> BoxFut
where
F: IntoFuture<Item = Response<Body>, Error = ApiError>,
F::Future: Send,
{
Box::new(item.into_future())
}
pub fn route<T: BeaconChainTypes>(
req: Request<Body>,
beacon_chain: Arc<BeaconChain<T>>,
network_service: Arc<NetworkService<T>>,
network_channel: NetworkChannel,
eth2_config: Arc<Eth2Config>,
local_log: slog::Logger,
db_path: PathBuf,
) -> impl Future<Item = Response<Body>, Error = Error> {
metrics::inc_counter(&metrics::REQUEST_COUNT);
let timer = metrics::start_timer(&metrics::REQUEST_RESPONSE_TIME);
let path = req.uri().path().to_string();
let log = local_log.clone();
let request_result: Box<dyn Future<Item = Response<_>, Error = _> + Send> =
match (req.method(), path.as_ref()) {
// Methods for Client
(&Method::GET, "/node/version") => into_boxfut(node::get_version(req)),
(&Method::GET, "/node/syncing") => {
into_boxfut(helpers::implementation_pending_response(req))
}
// Methods for Network
(&Method::GET, "/network/enr") => {
into_boxfut(network::get_enr::<T>(req, network_service))
}
(&Method::GET, "/network/peer_count") => {
into_boxfut(network::get_peer_count::<T>(req, network_service))
}
(&Method::GET, "/network/peer_id") => {
into_boxfut(network::get_peer_id::<T>(req, network_service))
}
(&Method::GET, "/network/peers") => {
into_boxfut(network::get_peer_list::<T>(req, network_service))
}
(&Method::GET, "/network/listen_port") => {
into_boxfut(network::get_listen_port::<T>(req, network_service))
}
(&Method::GET, "/network/listen_addresses") => {
into_boxfut(network::get_listen_addresses::<T>(req, network_service))
}
// Methods for Beacon Node
(&Method::GET, "/beacon/head") => into_boxfut(beacon::get_head::<T>(req, beacon_chain)),
(&Method::GET, "/beacon/block") => {
into_boxfut(beacon::get_block::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/block_root") => {
into_boxfut(beacon::get_block_root::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/blocks") => {
into_boxfut(helpers::implementation_pending_response(req))
}
(&Method::GET, "/beacon/fork") => into_boxfut(beacon::get_fork::<T>(req, beacon_chain)),
(&Method::GET, "/beacon/attestations") => {
into_boxfut(helpers::implementation_pending_response(req))
}
(&Method::GET, "/beacon/attestations/pending") => {
into_boxfut(helpers::implementation_pending_response(req))
}
(&Method::GET, "/beacon/genesis_time") => {
into_boxfut(beacon::get_genesis_time::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/validators") => {
into_boxfut(beacon::get_validators::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/validators/indicies") => {
into_boxfut(helpers::implementation_pending_response(req))
}
(&Method::GET, "/beacon/validators/pubkeys") => {
into_boxfut(helpers::implementation_pending_response(req))
}
// Methods for Validator
(&Method::GET, "/validator/duties") => {
into_boxfut(validator::get_validator_duties::<T>(req, beacon_chain))
}
(&Method::POST, "/validator/duties") => {
validator::post_validator_duties::<T>(req, beacon_chain)
}
(&Method::GET, "/validator/block") => {
into_boxfut(validator::get_new_beacon_block::<T>(req, beacon_chain))
}
(&Method::POST, "/validator/block") => {
validator::publish_beacon_block::<T>(req, beacon_chain, network_channel, log)
}
(&Method::GET, "/validator/attestation") => {
into_boxfut(validator::get_new_attestation::<T>(req, beacon_chain))
}
(&Method::POST, "/validator/attestation") => {
validator::publish_attestation::<T>(req, beacon_chain, network_channel, log)
}
(&Method::GET, "/beacon/state") => {
into_boxfut(beacon::get_state::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/state_root") => {
into_boxfut(beacon::get_state_root::<T>(req, beacon_chain))
}
(&Method::GET, "/beacon/state/current_finalized_checkpoint") => into_boxfut(
beacon::get_current_finalized_checkpoint::<T>(req, beacon_chain),
),
(&Method::GET, "/beacon/state/genesis") => {
into_boxfut(beacon::get_genesis_state::<T>(req, beacon_chain))
}
//TODO: Add aggreggate/filtered state lookups here, e.g. /beacon/validators/balances
// Methods for bootstrap and checking configuration
(&Method::GET, "/spec") => into_boxfut(spec::get_spec::<T>(req, beacon_chain)),
(&Method::GET, "/spec/slots_per_epoch") => {
into_boxfut(spec::get_slots_per_epoch::<T>(req))
}
(&Method::GET, "/spec/deposit_contract") => {
into_boxfut(helpers::implementation_pending_response(req))
}
(&Method::GET, "/spec/eth2_config") => {
into_boxfut(spec::get_eth2_config::<T>(req, eth2_config))
}
(&Method::GET, "/metrics") => {
into_boxfut(metrics::get_prometheus::<T>(req, beacon_chain, db_path))
}
_ => Box::new(futures::future::err(ApiError::NotFound(
"Request path and/or method not found.".to_owned(),
))),
};
// Map the Rust-friendly `Result` in to a http-friendly response. In effect, this ensures that
// any `Err` returned from our response handlers becomes a valid http response to the client
// (e.g., a response with a 404 or 500 status).
request_result.then(move |result| match result {
Ok(response) => {
debug!(local_log, "Request successful: {:?}", path);
metrics::inc_counter(&metrics::SUCCESS_COUNT);
metrics::stop_timer(timer);
Ok(response)
}
Err(e) => {
let error_response = e.into();
debug!(local_log, "Request failure: {:?}", path);
metrics::stop_timer(timer);
Ok(error_response)
}
})
}