lighthouse/common/eth2/src/lib.rs
Philipp K 5388183884 Allow per validator fee recipient via flag or file in validator client (similar to graffiti / graffiti-file) (#2924)
## Issue Addressed

#2883 

## Proposed Changes

* Added `suggested-fee-recipient` & `suggested-fee-recipient-file` flags to validator client (similar to graffiti / graffiti-file implementation).
* Added proposer preparation service to VC, which sends the fee-recipient of all known validators to the BN via [/eth/v1/validator/prepare_beacon_proposer](https://github.com/ethereum/beacon-APIs/pull/178) api once per slot
* Added [/eth/v1/validator/prepare_beacon_proposer](https://github.com/ethereum/beacon-APIs/pull/178) api endpoint and preparation data caching
* Added cleanup routine to remove cached proposer preparations when not updated for 2 epochs

## Additional Info

Changed the Implementation following the discussion in #2883.



Co-authored-by: pk910 <philipp@pk910.de>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
Co-authored-by: Philipp K <philipp@pk910.de>
2022-02-08 19:52:20 +00:00

1416 lines
43 KiB
Rust

//! This crate provides two major things:
//!
//! 1. The types served by the `http_api` crate.
//! 2. A wrapper around `reqwest` that forms a HTTP client, able of consuming the endpoints served
//! by the `http_api` crate.
//!
//! Eventually it would be ideal to publish this crate on crates.io, however we have some local
//! dependencies preventing this presently.
#[cfg(feature = "lighthouse")]
pub mod lighthouse;
#[cfg(feature = "lighthouse")]
pub mod lighthouse_vc;
pub mod mixin;
pub mod types;
use self::mixin::{RequestAccept, ResponseForkName, ResponseOptional};
use self::types::{Error as ResponseError, *};
use ::types::map_fork_name_with;
use futures::Stream;
use futures_util::StreamExt;
use lighthouse_network::PeerId;
pub use reqwest;
use reqwest::{IntoUrl, RequestBuilder, Response};
pub use reqwest::{StatusCode, Url};
use sensitive_url::SensitiveUrl;
use serde::{de::DeserializeOwned, Serialize};
use std::convert::TryFrom;
use std::fmt;
use std::iter::Iterator;
use std::path::PathBuf;
use std::time::Duration;
pub const V1: EndpointVersion = EndpointVersion(1);
pub const V2: EndpointVersion = EndpointVersion(2);
pub const CONSENSUS_VERSION_HEADER: &str = "Eth-Consensus-Version";
#[derive(Debug)]
pub enum Error {
/// The `reqwest` client raised an error.
Reqwest(reqwest::Error),
/// The server returned an error message where the body was able to be parsed.
ServerMessage(ErrorMessage),
/// The server returned an error message with an array of errors.
ServerIndexedMessage(IndexedErrorMessage),
/// The server returned an error message where the body was unable to be parsed.
StatusCode(StatusCode),
/// The supplied URL is badly formatted. It should look something like `http://127.0.0.1:5052`.
InvalidUrl(SensitiveUrl),
/// The supplied validator client secret is invalid.
InvalidSecret(String),
/// The server returned a response with an invalid signature. It may be an impostor.
InvalidSignatureHeader,
/// The server returned a response without a signature header. It may be an impostor.
MissingSignatureHeader,
/// The server returned an invalid JSON response.
InvalidJson(serde_json::Error),
/// The server returned an invalid server-sent event.
InvalidServerSentEvent(String),
/// The server returned an invalid SSZ response.
InvalidSsz(ssz::DecodeError),
/// An I/O error occurred while loading an API token from disk.
TokenReadError(PathBuf, std::io::Error),
/// The client has been configured without a server pubkey, but requires one for this request.
NoServerPubkey,
/// The client has been configured without an API token, but requires one for this request.
NoToken,
}
impl From<reqwest::Error> for Error {
fn from(error: reqwest::Error) -> Self {
Error::Reqwest(error)
}
}
impl Error {
/// If the error has a HTTP status code, return it.
pub fn status(&self) -> Option<StatusCode> {
match self {
Error::Reqwest(error) => error.status(),
Error::ServerMessage(msg) => StatusCode::try_from(msg.code).ok(),
Error::ServerIndexedMessage(msg) => StatusCode::try_from(msg.code).ok(),
Error::StatusCode(status) => Some(*status),
Error::InvalidUrl(_) => None,
Error::InvalidSecret(_) => None,
Error::InvalidSignatureHeader => None,
Error::MissingSignatureHeader => None,
Error::InvalidJson(_) => None,
Error::InvalidServerSentEvent(_) => None,
Error::InvalidSsz(_) => None,
Error::TokenReadError(..) => None,
Error::NoServerPubkey | Error::NoToken => None,
}
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:?}", self)
}
}
/// A struct to define a variety of different timeouts for different validator tasks to ensure
/// proper fallback behaviour.
#[derive(Clone)]
pub struct Timeouts {
pub attestation: Duration,
pub attester_duties: Duration,
pub liveness: Duration,
pub proposal: Duration,
pub proposer_duties: Duration,
pub sync_duties: Duration,
}
impl Timeouts {
pub fn set_all(timeout: Duration) -> Self {
Timeouts {
attestation: timeout,
attester_duties: timeout,
liveness: timeout,
proposal: timeout,
proposer_duties: timeout,
sync_duties: timeout,
}
}
}
/// A wrapper around `reqwest::Client` which provides convenience methods for interfacing with a
/// Lighthouse Beacon Node HTTP server (`http_api`).
#[derive(Clone)]
pub struct BeaconNodeHttpClient {
client: reqwest::Client,
server: SensitiveUrl,
timeouts: Timeouts,
}
impl fmt::Display for BeaconNodeHttpClient {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.server.fmt(f)
}
}
impl AsRef<str> for BeaconNodeHttpClient {
fn as_ref(&self) -> &str {
self.server.as_ref()
}
}
impl BeaconNodeHttpClient {
pub fn new(server: SensitiveUrl, timeouts: Timeouts) -> Self {
Self {
client: reqwest::Client::new(),
server,
timeouts,
}
}
pub fn from_components(
server: SensitiveUrl,
client: reqwest::Client,
timeouts: Timeouts,
) -> Self {
Self {
client,
server,
timeouts,
}
}
/// Return the path with the standard `/eth/vX` prefix applied.
fn eth_path(&self, version: EndpointVersion) -> Result<Url, Error> {
let mut path = self.server.full.clone();
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("eth")
.push(&version.to_string());
Ok(path)
}
/// Perform a HTTP GET request.
async fn get<T: DeserializeOwned, U: IntoUrl>(&self, url: U) -> Result<T, Error> {
let response = self.get_response(url, |b| b).await?;
Ok(response.json().await?)
}
/// Perform an HTTP GET request, returning the `Response` for processing.
pub async fn get_response<U: IntoUrl>(
&self,
url: U,
builder: impl FnOnce(RequestBuilder) -> RequestBuilder,
) -> Result<Response, Error> {
let response = builder(self.client.get(url)).send().await?;
ok_or_error(response).await
}
/// Perform a HTTP GET request with a custom timeout.
async fn get_with_timeout<T: DeserializeOwned, U: IntoUrl>(
&self,
url: U,
timeout: Duration,
) -> Result<T, Error> {
let response = self
.get_response(url, |builder| builder.timeout(timeout))
.await?;
Ok(response.json().await?)
}
/// Perform a HTTP GET request, returning `None` on a 404 error.
async fn get_opt<T: DeserializeOwned, U: IntoUrl>(&self, url: U) -> Result<Option<T>, Error> {
match self.get_response(url, |b| b).await.optional()? {
Some(response) => Ok(Some(response.json().await?)),
None => Ok(None),
}
}
/// Perform a HTTP GET request with a custom timeout, returning `None` on a 404 error.
async fn get_opt_with_timeout<T: DeserializeOwned, U: IntoUrl>(
&self,
url: U,
timeout: Duration,
) -> Result<Option<T>, Error> {
let opt_response = self
.get_response(url, |b| b.timeout(timeout))
.await
.optional()?;
match opt_response {
Some(response) => Ok(Some(response.json().await?)),
None => Ok(None),
}
}
/// Perform a HTTP GET request using an 'accept' header, returning `None` on a 404 error.
pub async fn get_bytes_opt_accept_header<U: IntoUrl>(
&self,
url: U,
accept_header: Accept,
) -> Result<Option<Vec<u8>>, Error> {
let opt_response = self
.get_response(url, |b| b.accept(accept_header))
.await
.optional()?;
match opt_response {
Some(resp) => Ok(Some(resp.bytes().await?.into_iter().collect::<Vec<_>>())),
None => Ok(None),
}
}
/// Perform a HTTP POST request.
async fn post<T: Serialize, U: IntoUrl>(&self, url: U, body: &T) -> Result<(), Error> {
self.post_generic(url, body, None).await?;
Ok(())
}
/// Perform a HTTP POST request, returning a JSON response.
#[cfg(feature = "lighthouse")]
async fn post_with_response<T: Serialize, U: IntoUrl, R: DeserializeOwned>(
&self,
url: U,
body: &T,
) -> Result<R, Error> {
self.post_generic(url, body, None)
.await?
.json()
.await
.map_err(Error::Reqwest)
}
/// Perform a HTTP POST request with a custom timeout.
async fn post_with_timeout<T: Serialize, U: IntoUrl>(
&self,
url: U,
body: &T,
timeout: Duration,
) -> Result<(), Error> {
self.post_generic(url, body, Some(timeout)).await?;
Ok(())
}
/// Perform a HTTP POST request with a custom timeout, returning a JSON response.
async fn post_with_timeout_and_response<T: DeserializeOwned, U: IntoUrl, V: Serialize>(
&self,
url: U,
body: &V,
timeout: Duration,
) -> Result<T, Error> {
self.post_generic(url, body, Some(timeout))
.await?
.json()
.await
.map_err(Error::Reqwest)
}
/// Generic POST function supporting arbitrary responses and timeouts.
async fn post_generic<T: Serialize, U: IntoUrl>(
&self,
url: U,
body: &T,
timeout: Option<Duration>,
) -> Result<Response, Error> {
let mut builder = self.client.post(url);
if let Some(timeout) = timeout {
builder = builder.timeout(timeout);
}
let response = builder.json(body).send().await?;
ok_or_error(response).await
}
/// `GET beacon/genesis`
///
/// ## Errors
///
/// May return a `404` if beacon chain genesis has not yet occurred.
pub async fn get_beacon_genesis(&self) -> Result<GenericResponse<GenesisData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("genesis");
self.get(path).await
}
/// `GET beacon/states/{state_id}/root`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_root(
&self,
state_id: StateId,
) -> Result<Option<GenericResponse<RootData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("root");
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/fork`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_fork(
&self,
state_id: StateId,
) -> Result<Option<GenericResponse<Fork>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("fork");
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/finality_checkpoints`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_finality_checkpoints(
&self,
state_id: StateId,
) -> Result<Option<GenericResponse<FinalityCheckpointsData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("finality_checkpoints");
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/validator_balances?id`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_validator_balances(
&self,
state_id: StateId,
ids: Option<&[ValidatorId]>,
) -> Result<Option<GenericResponse<Vec<ValidatorBalanceData>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("validator_balances");
if let Some(ids) = ids {
let id_string = ids
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("id", &id_string);
}
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/validators?id,status`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_validators(
&self,
state_id: StateId,
ids: Option<&[ValidatorId]>,
statuses: Option<&[ValidatorStatus]>,
) -> Result<Option<GenericResponse<Vec<ValidatorData>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("validators");
if let Some(ids) = ids {
let id_string = ids
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("id", &id_string);
}
if let Some(statuses) = statuses {
let status_string = statuses
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("status", &status_string);
}
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/committees?slot,index,epoch`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_committees(
&self,
state_id: StateId,
slot: Option<Slot>,
index: Option<u64>,
epoch: Option<Epoch>,
) -> Result<Option<GenericResponse<Vec<CommitteeData>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("committees");
if let Some(slot) = slot {
path.query_pairs_mut()
.append_pair("slot", &slot.to_string());
}
if let Some(index) = index {
path.query_pairs_mut()
.append_pair("index", &index.to_string());
}
if let Some(epoch) = epoch {
path.query_pairs_mut()
.append_pair("epoch", &epoch.to_string());
}
self.get_opt(path).await
}
/// `GET beacon/states/{state_id}/sync_committees?epoch`
pub async fn get_beacon_states_sync_committees(
&self,
state_id: StateId,
epoch: Option<Epoch>,
) -> Result<GenericResponse<SyncCommitteeByValidatorIndices>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("sync_committees");
if let Some(epoch) = epoch {
path.query_pairs_mut()
.append_pair("epoch", &epoch.to_string());
}
self.get(path).await
}
/// `GET beacon/states/{state_id}/validators/{validator_id}`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_states_validator_id(
&self,
state_id: StateId,
validator_id: &ValidatorId,
) -> Result<Option<GenericResponse<ValidatorData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("states")
.push(&state_id.to_string())
.push("validators")
.push(&validator_id.to_string());
self.get_opt(path).await
}
/// `GET beacon/headers?slot,parent_root`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_headers(
&self,
slot: Option<Slot>,
parent_root: Option<Hash256>,
) -> Result<Option<GenericResponse<Vec<BlockHeaderData>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("headers");
if let Some(slot) = slot {
path.query_pairs_mut()
.append_pair("slot", &slot.to_string());
}
if let Some(root) = parent_root {
path.query_pairs_mut()
.append_pair("parent_root", &format!("{:?}", root));
}
self.get_opt(path).await
}
/// `GET beacon/headers/{block_id}`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_headers_block_id(
&self,
block_id: BlockId,
) -> Result<Option<GenericResponse<BlockHeaderData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("headers")
.push(&block_id.to_string());
self.get_opt(path).await
}
/// `POST beacon/blocks`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn post_beacon_blocks<T: EthSpec>(
&self,
block: &SignedBeaconBlock<T>,
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("blocks");
self.post_with_timeout(path, block, self.timeouts.proposal)
.await?;
Ok(())
}
/// Path for `v2/beacon/blocks`
pub fn get_beacon_blocks_path(&self, block_id: BlockId) -> Result<Url, Error> {
let mut path = self.eth_path(V2)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("blocks")
.push(&block_id.to_string());
Ok(path)
}
/// `GET v2/beacon/blocks`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_blocks<T: EthSpec>(
&self,
block_id: BlockId,
) -> Result<Option<ForkVersionedResponse<SignedBeaconBlock<T>>>, Error> {
let path = self.get_beacon_blocks_path(block_id)?;
let response = match self.get_response(path, |b| b).await.optional()? {
Some(res) => res,
None => return Ok(None),
};
// If present, use the fork provided in the headers to decode the block. Gracefully handle
// missing and malformed fork names by falling back to regular deserialisation.
let (block, version) = match response.fork_name_from_header() {
Ok(Some(fork_name)) => {
map_fork_name_with!(fork_name, SignedBeaconBlock, {
let ForkVersionedResponse { version, data } = response.json().await?;
(data, version)
})
}
Ok(None) | Err(_) => {
let ForkVersionedResponse { version, data } = response.json().await?;
(data, version)
}
};
Ok(Some(ForkVersionedResponse {
version,
data: block,
}))
}
/// `GET v1/beacon/blocks` (LEGACY)
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_blocks_v1<T: EthSpec>(
&self,
block_id: BlockId,
) -> Result<Option<ForkVersionedResponse<SignedBeaconBlock<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("blocks")
.push(&block_id.to_string());
self.get_opt(path).await
}
/// `GET beacon/blocks` as SSZ
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_blocks_ssz<T: EthSpec>(
&self,
block_id: BlockId,
spec: &ChainSpec,
) -> Result<Option<SignedBeaconBlock<T>>, Error> {
let path = self.get_beacon_blocks_path(block_id)?;
self.get_bytes_opt_accept_header(path, Accept::Ssz)
.await?
.map(|bytes| SignedBeaconBlock::from_ssz_bytes(&bytes, spec).map_err(Error::InvalidSsz))
.transpose()
}
/// `GET beacon/blocks/{block_id}/root`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_blocks_root(
&self,
block_id: BlockId,
) -> Result<Option<GenericResponse<RootData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("blocks")
.push(&block_id.to_string())
.push("root");
self.get_opt(path).await
}
/// `GET beacon/blocks/{block_id}/attestations`
///
/// Returns `Ok(None)` on a 404 error.
pub async fn get_beacon_blocks_attestations<T: EthSpec>(
&self,
block_id: BlockId,
) -> Result<Option<GenericResponse<Vec<Attestation<T>>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("blocks")
.push(&block_id.to_string())
.push("attestations");
self.get_opt(path).await
}
/// `POST beacon/pool/attestations`
pub async fn post_beacon_pool_attestations<T: EthSpec>(
&self,
attestations: &[Attestation<T>],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("attestations");
self.post_with_timeout(path, &attestations, self.timeouts.attestation)
.await?;
Ok(())
}
/// `GET beacon/pool/attestations?slot,committee_index`
pub async fn get_beacon_pool_attestations<T: EthSpec>(
&self,
slot: Option<Slot>,
committee_index: Option<u64>,
) -> Result<GenericResponse<Vec<Attestation<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("attestations");
if let Some(slot) = slot {
path.query_pairs_mut()
.append_pair("slot", &slot.to_string());
}
if let Some(index) = committee_index {
path.query_pairs_mut()
.append_pair("committee_index", &index.to_string());
}
self.get(path).await
}
/// `POST beacon/pool/attester_slashings`
pub async fn post_beacon_pool_attester_slashings<T: EthSpec>(
&self,
slashing: &AttesterSlashing<T>,
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("attester_slashings");
self.post(path, slashing).await?;
Ok(())
}
/// `GET beacon/pool/attester_slashings`
pub async fn get_beacon_pool_attester_slashings<T: EthSpec>(
&self,
) -> Result<GenericResponse<Vec<AttesterSlashing<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("attester_slashings");
self.get(path).await
}
/// `POST beacon/pool/proposer_slashings`
pub async fn post_beacon_pool_proposer_slashings(
&self,
slashing: &ProposerSlashing,
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("proposer_slashings");
self.post(path, slashing).await?;
Ok(())
}
/// `GET beacon/pool/proposer_slashings`
pub async fn get_beacon_pool_proposer_slashings(
&self,
) -> Result<GenericResponse<Vec<ProposerSlashing>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("proposer_slashings");
self.get(path).await
}
/// `POST beacon/pool/voluntary_exits`
pub async fn post_beacon_pool_voluntary_exits(
&self,
exit: &SignedVoluntaryExit,
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("voluntary_exits");
self.post(path, exit).await?;
Ok(())
}
/// `GET beacon/pool/voluntary_exits`
pub async fn get_beacon_pool_voluntary_exits(
&self,
) -> Result<GenericResponse<Vec<SignedVoluntaryExit>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("voluntary_exits");
self.get(path).await
}
/// `POST beacon/pool/sync_committees`
pub async fn post_beacon_pool_sync_committee_signatures(
&self,
signatures: &[SyncCommitteeMessage],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("beacon")
.push("pool")
.push("sync_committees");
self.post(path, &signatures).await?;
Ok(())
}
/// `POST validator/contribution_and_proofs`
pub async fn post_validator_contribution_and_proofs<T: EthSpec>(
&self,
signed_contributions: &[SignedContributionAndProof<T>],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("contribution_and_proofs");
self.post(path, &signed_contributions).await?;
Ok(())
}
/// `POST validator/prepare_beacon_proposer`
pub async fn post_validator_prepare_beacon_proposer(
&self,
preparation_data: &[ProposerPreparationData],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("prepare_beacon_proposer");
self.post(path, &preparation_data).await?;
Ok(())
}
/// `GET config/fork_schedule`
pub async fn get_config_fork_schedule(&self) -> Result<GenericResponse<Vec<Fork>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("config")
.push("fork_schedule");
self.get(path).await
}
/// `GET config/spec`
pub async fn get_config_spec(&self) -> Result<GenericResponse<ConfigAndPreset>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("config")
.push("spec");
self.get(path).await
}
/// `GET config/deposit_contract`
pub async fn get_config_deposit_contract(
&self,
) -> Result<GenericResponse<DepositContractData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("config")
.push("deposit_contract");
self.get(path).await
}
/// `GET node/version`
pub async fn get_node_version(&self) -> Result<GenericResponse<VersionData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("version");
self.get(path).await
}
/// `GET node/identity`
pub async fn get_node_identity(&self) -> Result<GenericResponse<IdentityData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("identity");
self.get(path).await
}
/// `GET node/syncing`
pub async fn get_node_syncing(&self) -> Result<GenericResponse<SyncingData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("syncing");
self.get(path).await
}
/// `GET node/health`
pub async fn get_node_health(&self) -> Result<StatusCode, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("health");
let status = self.client.get(path).send().await?.status();
if status == StatusCode::OK || status == StatusCode::PARTIAL_CONTENT {
Ok(status)
} else {
Err(Error::StatusCode(status))
}
}
/// `GET node/peers/{peer_id}`
pub async fn get_node_peers_by_id(
&self,
peer_id: PeerId,
) -> Result<GenericResponse<PeerData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("peers")
.push(&peer_id.to_string());
self.get(path).await
}
/// `GET node/peers`
pub async fn get_node_peers(
&self,
states: Option<&[PeerState]>,
directions: Option<&[PeerDirection]>,
) -> Result<PeersData, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("peers");
if let Some(states) = states {
let state_string = states
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("state", &state_string);
}
if let Some(directions) = directions {
let dir_string = directions
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("direction", &dir_string);
}
self.get(path).await
}
/// `GET node/peer_count`
pub async fn get_node_peer_count(&self) -> Result<GenericResponse<PeerCount>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("node")
.push("peer_count");
self.get(path).await
}
/// URL path for `v2/debug/beacon/states/{state_id}`.
pub fn get_debug_beacon_states_path(&self, state_id: StateId) -> Result<Url, Error> {
let mut path = self.eth_path(V2)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("debug")
.push("beacon")
.push("states")
.push(&state_id.to_string());
Ok(path)
}
/// `GET v2/debug/beacon/states/{state_id}`
pub async fn get_debug_beacon_states<T: EthSpec>(
&self,
state_id: StateId,
) -> Result<Option<ForkVersionedResponse<BeaconState<T>>>, Error> {
let path = self.get_debug_beacon_states_path(state_id)?;
self.get_opt(path).await
}
/// `GET v1/debug/beacon/states/{state_id}` (LEGACY)
pub async fn get_debug_beacon_states_v1<T: EthSpec>(
&self,
state_id: StateId,
) -> Result<Option<ForkVersionedResponse<BeaconState<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("debug")
.push("beacon")
.push("states")
.push(&state_id.to_string());
self.get_opt(path).await
}
/// `GET debug/beacon/states/{state_id}`
/// `-H "accept: application/octet-stream"`
pub async fn get_debug_beacon_states_ssz<T: EthSpec>(
&self,
state_id: StateId,
spec: &ChainSpec,
) -> Result<Option<BeaconState<T>>, Error> {
let path = self.get_debug_beacon_states_path(state_id)?;
self.get_bytes_opt_accept_header(path, Accept::Ssz)
.await?
.map(|bytes| BeaconState::from_ssz_bytes(&bytes, spec).map_err(Error::InvalidSsz))
.transpose()
}
/// `GET debug/beacon/heads`
pub async fn get_debug_beacon_heads(
&self,
) -> Result<GenericResponse<Vec<ChainHeadData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("debug")
.push("beacon")
.push("heads");
self.get(path).await
}
/// `GET validator/duties/proposer/{epoch}`
pub async fn get_validator_duties_proposer(
&self,
epoch: Epoch,
) -> Result<DutiesResponse<Vec<ProposerData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("duties")
.push("proposer")
.push(&epoch.to_string());
self.get_with_timeout(path, self.timeouts.proposer_duties)
.await
}
/// `GET v2/validator/blocks/{slot}`
pub async fn get_validator_blocks<T: EthSpec>(
&self,
slot: Slot,
randao_reveal: &SignatureBytes,
graffiti: Option<&Graffiti>,
) -> Result<ForkVersionedResponse<BeaconBlock<T>>, Error> {
let mut path = self.eth_path(V2)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("blocks")
.push(&slot.to_string());
path.query_pairs_mut()
.append_pair("randao_reveal", &randao_reveal.to_string());
if let Some(graffiti) = graffiti {
path.query_pairs_mut()
.append_pair("graffiti", &graffiti.to_string());
}
self.get(path).await
}
/// `GET validator/attestation_data?slot,committee_index`
pub async fn get_validator_attestation_data(
&self,
slot: Slot,
committee_index: CommitteeIndex,
) -> Result<GenericResponse<AttestationData>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("attestation_data");
path.query_pairs_mut()
.append_pair("slot", &slot.to_string())
.append_pair("committee_index", &committee_index.to_string());
self.get_with_timeout(path, self.timeouts.attestation).await
}
/// `GET validator/aggregate_attestation?slot,attestation_data_root`
pub async fn get_validator_aggregate_attestation<T: EthSpec>(
&self,
slot: Slot,
attestation_data_root: Hash256,
) -> Result<Option<GenericResponse<Attestation<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("aggregate_attestation");
path.query_pairs_mut()
.append_pair("slot", &slot.to_string())
.append_pair(
"attestation_data_root",
&format!("{:?}", attestation_data_root),
);
self.get_opt_with_timeout(path, self.timeouts.attestation)
.await
}
/// `GET validator/sync_committee_contribution`
pub async fn get_validator_sync_committee_contribution<T: EthSpec>(
&self,
sync_committee_data: &SyncContributionData,
) -> Result<Option<GenericResponse<SyncCommitteeContribution<T>>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("sync_committee_contribution");
path.query_pairs_mut()
.append_pair("slot", &sync_committee_data.slot.to_string())
.append_pair(
"beacon_block_root",
&format!("{:?}", sync_committee_data.beacon_block_root),
)
.append_pair(
"subcommittee_index",
&sync_committee_data.subcommittee_index.to_string(),
);
self.get_opt(path).await
}
/// `POST lighthouse/liveness`
pub async fn post_lighthouse_liveness(
&self,
ids: &[u64],
epoch: Epoch,
) -> Result<GenericResponse<Vec<LivenessResponseData>>, Error> {
let mut path = self.server.full.clone();
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("lighthouse")
.push("liveness");
self.post_with_timeout_and_response(
path,
&LivenessRequestData {
indices: ids.to_vec(),
epoch,
},
self.timeouts.liveness,
)
.await
}
/// `POST validator/duties/attester/{epoch}`
pub async fn post_validator_duties_attester(
&self,
epoch: Epoch,
indices: &[u64],
) -> Result<DutiesResponse<Vec<AttesterData>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("duties")
.push("attester")
.push(&epoch.to_string());
self.post_with_timeout_and_response(
path,
&ValidatorIndexDataRef(indices),
self.timeouts.attester_duties,
)
.await
}
/// `POST validator/aggregate_and_proofs`
pub async fn post_validator_aggregate_and_proof<T: EthSpec>(
&self,
aggregates: &[SignedAggregateAndProof<T>],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("aggregate_and_proofs");
self.post_with_timeout(path, &aggregates, self.timeouts.attestation)
.await?;
Ok(())
}
/// `POST validator/beacon_committee_subscriptions`
pub async fn post_validator_beacon_committee_subscriptions(
&self,
subscriptions: &[BeaconCommitteeSubscription],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("beacon_committee_subscriptions");
self.post(path, &subscriptions).await?;
Ok(())
}
/// `POST validator/sync_committee_subscriptions`
pub async fn post_validator_sync_committee_subscriptions(
&self,
subscriptions: &[SyncCommitteeSubscription],
) -> Result<(), Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("sync_committee_subscriptions");
self.post(path, &subscriptions).await?;
Ok(())
}
/// `GET events?topics`
pub async fn get_events<T: EthSpec>(
&self,
topic: &[EventTopic],
) -> Result<impl Stream<Item = Result<EventKind<T>, Error>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("events");
let topic_string = topic
.iter()
.map(|i| i.to_string())
.collect::<Vec<_>>()
.join(",");
path.query_pairs_mut().append_pair("topics", &topic_string);
Ok(self
.client
.get(path)
.send()
.await?
.bytes_stream()
.map(|next| match next {
Ok(bytes) => EventKind::from_sse_bytes(bytes.as_ref()),
Err(e) => Err(Error::Reqwest(e)),
}))
}
/// `POST validator/duties/sync/{epoch}`
pub async fn post_validator_duties_sync(
&self,
epoch: Epoch,
indices: &[u64],
) -> Result<GenericResponse<Vec<SyncDuty>>, Error> {
let mut path = self.eth_path(V1)?;
path.path_segments_mut()
.map_err(|()| Error::InvalidUrl(self.server.clone()))?
.push("validator")
.push("duties")
.push("sync")
.push(&epoch.to_string());
self.post_with_timeout_and_response(
path,
&ValidatorIndexDataRef(indices),
self.timeouts.sync_duties,
)
.await
}
}
/// Returns `Ok(response)` if the response is a `200 OK` response. Otherwise, creates an
/// appropriate error message.
async fn ok_or_error(response: Response) -> Result<Response, Error> {
let status = response.status();
if status == StatusCode::OK {
Ok(response)
} else if let Ok(message) = response.json().await {
match message {
ResponseError::Message(message) => Err(Error::ServerMessage(message)),
ResponseError::Indexed(indexed) => Err(Error::ServerIndexedMessage(indexed)),
}
} else {
Err(Error::StatusCode(status))
}
}