790 lines
29 KiB
Rust
790 lines
29 KiB
Rust
use crate::helpers::{check_content_type_for_json, publish_beacon_block_to_network};
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use crate::response_builder::ResponseBuilder;
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use crate::{ApiError, ApiResult, NetworkChannel, UrlQuery};
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use beacon_chain::{
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attestation_verification::Error as AttnError, BeaconChain, BeaconChainError, BeaconChainTypes,
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BlockError, ForkChoiceError, StateSkipConfig,
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};
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use bls::PublicKeyBytes;
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use eth2_libp2p::PubsubMessage;
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use hyper::{Body, Request};
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use network::NetworkMessage;
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use rayon::prelude::*;
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use rest_types::{ValidatorDutiesRequest, ValidatorDutyBytes, ValidatorSubscription};
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use slog::{error, info, trace, warn, Logger};
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use std::sync::Arc;
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use types::beacon_state::EthSpec;
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use types::{
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Attestation, AttestationData, BeaconState, Epoch, RelativeEpoch, SelectionProof,
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SignedAggregateAndProof, SignedBeaconBlock, SubnetId,
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};
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/// HTTP Handler to retrieve the duties for a set of validators during a particular epoch. This
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/// method allows for collecting bulk sets of validator duties without risking exceeding the max
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/// URL length with query pairs.
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pub async fn post_validator_duties<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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) -> ApiResult {
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let response_builder = ResponseBuilder::new(&req);
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let body = req.into_body();
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let chunks = hyper::body::to_bytes(body)
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.await
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.map_err(|e| ApiError::ServerError(format!("Unable to get request body: {:?}", e)))?;
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serde_json::from_slice::<ValidatorDutiesRequest>(&chunks)
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.map_err(|e| {
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ApiError::BadRequest(format!(
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"Unable to parse JSON into ValidatorDutiesRequest: {:?}",
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e
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))
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})
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.and_then(|bulk_request| {
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return_validator_duties(
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beacon_chain,
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bulk_request.epoch,
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bulk_request.pubkeys.into_iter().map(Into::into).collect(),
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)
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})
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.and_then(|duties| response_builder?.body_no_ssz(&duties))
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}
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/// HTTP Handler to retrieve subscriptions for a set of validators. This allows the node to
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/// organise peer discovery and topic subscription for known validators.
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pub async fn post_validator_subscriptions<T: BeaconChainTypes>(
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req: Request<Body>,
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network_chan: NetworkChannel<T::EthSpec>,
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) -> ApiResult {
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try_future!(check_content_type_for_json(&req));
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let response_builder = ResponseBuilder::new(&req);
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let body = req.into_body();
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let chunks = hyper::body::to_bytes(body)
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.await
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.map_err(|e| ApiError::ServerError(format!("Unable to get request body: {:?}", e)))?;
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serde_json::from_slice(&chunks)
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.map_err(|e| {
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ApiError::BadRequest(format!(
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"Unable to parse JSON into ValidatorSubscriptions: {:?}",
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e
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))
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})
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.and_then(move |subscriptions: Vec<ValidatorSubscription>| {
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network_chan
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.send(NetworkMessage::Subscribe { subscriptions })
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.map_err(|e| {
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ApiError::ServerError(format!(
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"Unable to subscriptions to the network: {:?}",
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e
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))
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})?;
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Ok(())
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})
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.and_then(|_| response_builder?.body_no_ssz(&()))
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}
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/// HTTP Handler to retrieve all validator duties for the given epoch.
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pub fn get_all_validator_duties<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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) -> ApiResult {
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let query = UrlQuery::from_request(&req)?;
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let epoch = query.epoch()?;
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let state = get_state_for_epoch(&beacon_chain, epoch, StateSkipConfig::WithoutStateRoots)?;
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let validator_pubkeys = state
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.validators
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.iter()
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.map(|validator| validator.pubkey.clone())
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.collect();
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let duties = return_validator_duties(beacon_chain, epoch, validator_pubkeys)?;
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ResponseBuilder::new(&req)?.body_no_ssz(&duties)
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}
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/// HTTP Handler to retrieve all active validator duties for the given epoch.
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pub fn get_active_validator_duties<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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) -> ApiResult {
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let query = UrlQuery::from_request(&req)?;
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let epoch = query.epoch()?;
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let state = get_state_for_epoch(&beacon_chain, epoch, StateSkipConfig::WithoutStateRoots)?;
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let validator_pubkeys = state
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.validators
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.iter()
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.filter(|validator| validator.is_active_at(state.current_epoch()))
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.map(|validator| validator.pubkey.clone())
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.collect();
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let duties = return_validator_duties(beacon_chain, epoch, validator_pubkeys)?;
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ResponseBuilder::new(&req)?.body_no_ssz(&duties)
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}
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/// Helper function to return the state that can be used to determine the duties for some `epoch`.
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pub fn get_state_for_epoch<T: BeaconChainTypes>(
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beacon_chain: &BeaconChain<T>,
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epoch: Epoch,
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config: StateSkipConfig,
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) -> Result<BeaconState<T::EthSpec>, ApiError> {
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let slots_per_epoch = T::EthSpec::slots_per_epoch();
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let head = beacon_chain.head()?;
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let current_epoch = beacon_chain.epoch()?;
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let head_epoch = head.beacon_state.current_epoch();
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if head_epoch == current_epoch && RelativeEpoch::from_epoch(current_epoch, epoch).is_ok() {
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Ok(head.beacon_state)
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} else {
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// If epoch is ahead of current epoch, then it should be a "next epoch" request for
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// attestation duties. So, go to the start slot of the epoch prior to that,
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// which should be just the next wall-clock epoch.
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let slot = if epoch > current_epoch {
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(epoch - 1).start_slot(slots_per_epoch)
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}
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// Otherwise, go to the start of the request epoch.
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else {
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epoch.start_slot(slots_per_epoch)
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};
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beacon_chain.state_at_slot(slot, config).map_err(|e| {
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ApiError::ServerError(format!("Unable to load state for epoch {}: {:?}", epoch, e))
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})
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}
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}
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/// Helper function to get the duties for some `validator_pubkeys` in some `epoch`.
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fn return_validator_duties<T: BeaconChainTypes>(
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beacon_chain: Arc<BeaconChain<T>>,
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epoch: Epoch,
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validator_pubkeys: Vec<PublicKeyBytes>,
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) -> Result<Vec<ValidatorDutyBytes>, ApiError> {
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let mut state = get_state_for_epoch(&beacon_chain, epoch, StateSkipConfig::WithoutStateRoots)?;
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let relative_epoch = RelativeEpoch::from_epoch(state.current_epoch(), epoch)
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.map_err(|_| ApiError::ServerError(String::from("Loaded state is in the wrong epoch")))?;
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state
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.build_committee_cache(relative_epoch, &beacon_chain.spec)
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.map_err(|e| ApiError::ServerError(format!("Unable to build committee cache: {:?}", e)))?;
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state
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.update_pubkey_cache()
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.map_err(|e| ApiError::ServerError(format!("Unable to build pubkey cache: {:?}", e)))?;
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// Get a list of all validators for this epoch.
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//
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// Used for quickly determining the slot for a proposer.
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let validator_proposers = if epoch == state.current_epoch() {
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Some(
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epoch
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.slot_iter(T::EthSpec::slots_per_epoch())
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.map(|slot| {
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state
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.get_beacon_proposer_index(slot, &beacon_chain.spec)
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.map(|i| (i, slot))
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.map_err(|e| {
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ApiError::ServerError(format!(
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"Unable to get proposer index for validator: {:?}",
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e
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))
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})
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})
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.collect::<Result<Vec<_>, _>>()?,
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)
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} else {
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None
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};
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validator_pubkeys
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.into_iter()
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.map(|validator_pubkey| {
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// The `beacon_chain` can return a validator index that does not exist in all states.
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// Therefore, we must check to ensure that the validator index is valid for our
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// `state`.
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let validator_index = beacon_chain
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.validator_index(&validator_pubkey)
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.map_err(|e| {
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ApiError::ServerError(format!("Unable to get validator index: {:?}", e))
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})?
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.filter(|i| *i < state.validators.len());
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if let Some(validator_index) = validator_index {
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let duties = state
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.get_attestation_duties(validator_index, relative_epoch)
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.map_err(|e| {
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ApiError::ServerError(format!(
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"Unable to obtain attestation duties: {:?}",
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e
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))
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})?;
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let committee_count_at_slot = duties
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.map(|d| state.get_committee_count_at_slot(d.slot))
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.transpose()
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.map_err(|e| {
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ApiError::ServerError(format!(
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"Unable to find committee count at slot: {:?}",
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e
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))
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})?;
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let aggregator_modulo = duties
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.map(|duties| SelectionProof::modulo(duties.committee_len, &beacon_chain.spec))
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.transpose()
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.map_err(|e| {
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ApiError::ServerError(format!("Unable to find modulo: {:?}", e))
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})?;
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let block_proposal_slots = validator_proposers.as_ref().map(|proposers| {
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proposers
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.iter()
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.filter(|(i, _slot)| validator_index == *i)
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.map(|(_i, slot)| *slot)
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.collect()
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});
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Ok(ValidatorDutyBytes {
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validator_pubkey,
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validator_index: Some(validator_index as u64),
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attestation_slot: duties.map(|d| d.slot),
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attestation_committee_index: duties.map(|d| d.index),
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committee_count_at_slot,
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attestation_committee_position: duties.map(|d| d.committee_position),
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block_proposal_slots,
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aggregator_modulo,
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})
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} else {
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Ok(ValidatorDutyBytes {
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validator_pubkey,
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validator_index: None,
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attestation_slot: None,
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attestation_committee_index: None,
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attestation_committee_position: None,
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block_proposal_slots: None,
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committee_count_at_slot: None,
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aggregator_modulo: None,
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})
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}
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})
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.collect::<Result<Vec<_>, ApiError>>()
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}
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/// HTTP Handler to produce a new BeaconBlock from the current state, ready to be signed by a validator.
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pub fn get_new_beacon_block<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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log: Logger,
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) -> ApiResult {
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let query = UrlQuery::from_request(&req)?;
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let slot = query.slot()?;
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let randao_reveal = query.randao_reveal()?;
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let (new_block, _state) = beacon_chain
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.produce_block(randao_reveal, slot)
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.map_err(|e| {
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error!(
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log,
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"Error whilst producing block";
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"error" => format!("{:?}", e)
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);
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ApiError::ServerError(format!(
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"Beacon node is not able to produce a block: {:?}",
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e
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))
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})?;
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ResponseBuilder::new(&req)?.body(&new_block)
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}
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/// HTTP Handler to publish a SignedBeaconBlock, which has been signed by a validator.
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pub async fn publish_beacon_block<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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network_chan: NetworkChannel<T::EthSpec>,
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log: Logger,
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) -> ApiResult {
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try_future!(check_content_type_for_json(&req));
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let response_builder = ResponseBuilder::new(&req);
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let body = req.into_body();
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let chunks = hyper::body::to_bytes(body)
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.await
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.map_err(|e| ApiError::ServerError(format!("Unable to get request body: {:?}", e)))?;
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serde_json::from_slice(&chunks).map_err(|e| {
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ApiError::BadRequest(format!("Unable to parse JSON into SignedBeaconBlock: {:?}", e))
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})
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.and_then(move |block: SignedBeaconBlock<T::EthSpec>| {
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let slot = block.slot();
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match beacon_chain.process_block(block.clone()) {
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Ok(block_root) => {
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// Block was processed, publish via gossipsub
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info!(
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log,
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"Block from local validator";
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"block_root" => format!("{}", block_root),
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"block_slot" => slot,
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);
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publish_beacon_block_to_network::<T>(network_chan, block)?;
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// Run the fork choice algorithm and enshrine a new canonical head, if
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// found.
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//
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// The new head may or may not be the block we just received.
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if let Err(e) = beacon_chain.fork_choice() {
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error!(
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log,
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"Failed to find beacon chain head";
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"error" => format!("{:?}", e)
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);
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} else {
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// In the best case, validators should produce blocks that become the
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// head.
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//
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// Potential reasons this may not be the case:
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//
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// - A quick re-org between block produce and publish.
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// - Excessive time between block produce and publish.
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// - A validator is using another beacon node to produce blocks and
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// submitting them here.
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if beacon_chain.head()?.beacon_block_root != block_root {
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warn!(
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log,
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"Block from validator is not head";
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"desc" => "potential re-org",
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);
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}
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}
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Ok(())
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}
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Err(BlockError::BeaconChainError(e)) => {
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error!(
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log,
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"Error whilst processing block";
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"error" => format!("{:?}", e)
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);
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Err(ApiError::ServerError(format!(
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"Error while processing block: {:?}",
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e
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)))
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}
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Err(other) => {
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warn!(
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log,
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"Invalid block from local validator";
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"outcome" => format!("{:?}", other)
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);
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Err(ApiError::ProcessingError(format!(
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"The SignedBeaconBlock could not be processed and has not been published: {:?}",
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other
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)))
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}
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}
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})
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.and_then(|_| response_builder?.body_no_ssz(&()))
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}
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/// HTTP Handler to produce a new Attestation from the current state, ready to be signed by a validator.
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pub fn get_new_attestation<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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) -> ApiResult {
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let query = UrlQuery::from_request(&req)?;
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let slot = query.slot()?;
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let index = query.committee_index()?;
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let attestation = beacon_chain
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.produce_unaggregated_attestation(slot, index)
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.map_err(|e| ApiError::BadRequest(format!("Unable to produce attestation: {:?}", e)))?;
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ResponseBuilder::new(&req)?.body(&attestation)
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}
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/// HTTP Handler to retrieve the aggregate attestation for a slot
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pub fn get_aggregate_attestation<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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) -> ApiResult {
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let query = UrlQuery::from_request(&req)?;
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let attestation_data = query.attestation_data()?;
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match beacon_chain.get_aggregated_attestation(&attestation_data) {
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Ok(Some(attestation)) => ResponseBuilder::new(&req)?.body(&attestation),
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Ok(None) => Err(ApiError::NotFound(format!(
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"No matching aggregate attestation for slot {:?} is known in slot {:?}",
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attestation_data.slot,
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beacon_chain.slot()
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))),
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Err(e) => Err(ApiError::ServerError(format!(
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"Unable to obtain attestation: {:?}",
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e
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))),
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}
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}
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/// HTTP Handler to publish a list of Attestations, which have been signed by a number of validators.
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pub async fn publish_attestations<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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network_chan: NetworkChannel<T::EthSpec>,
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log: Logger,
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) -> ApiResult {
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try_future!(check_content_type_for_json(&req));
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let response_builder = ResponseBuilder::new(&req);
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let body = req.into_body();
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let chunk = hyper::body::to_bytes(body)
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.await
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.map_err(|e| ApiError::ServerError(format!("Unable to get request body: {:?}", e)))?;
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let chunks = chunk.iter().cloned().collect::<Vec<u8>>();
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serde_json::from_slice(&chunks.as_slice())
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.map_err(|e| {
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ApiError::BadRequest(format!(
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"Unable to deserialize JSON into a list of attestations: {:?}",
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e
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))
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})
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// Process all of the aggregates _without_ exiting early if one fails.
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.map(
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move |attestations: Vec<(Attestation<T::EthSpec>, SubnetId)>| {
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attestations
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.into_par_iter()
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.enumerate()
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.map(|(i, (attestation, subnet_id))| {
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process_unaggregated_attestation(
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&beacon_chain,
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network_chan.clone(),
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attestation,
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subnet_id,
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i,
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&log,
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)
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})
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.collect::<Vec<Result<_, _>>>()
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},
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)
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// Iterate through all the results and return on the first `Err`.
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//
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// Note: this will only provide info about the _first_ failure, not all failures.
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.and_then(|processing_results| processing_results.into_iter().try_for_each(|result| result))
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.and_then(|_| response_builder?.body_no_ssz(&()))
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}
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|
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/// Processes an unaggregrated attestation that was included in a list of attestations with the
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/// index `i`.
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#[allow(clippy::redundant_clone)] // false positives in this function.
|
|
fn process_unaggregated_attestation<T: BeaconChainTypes>(
|
|
beacon_chain: &BeaconChain<T>,
|
|
network_chan: NetworkChannel<T::EthSpec>,
|
|
attestation: Attestation<T::EthSpec>,
|
|
subnet_id: SubnetId,
|
|
i: usize,
|
|
log: &Logger,
|
|
) -> Result<(), ApiError> {
|
|
let data = &attestation.data.clone();
|
|
|
|
// Verify that the attestation is valid to included on the gossip network.
|
|
let verified_attestation = beacon_chain
|
|
.verify_unaggregated_attestation_for_gossip(attestation.clone(), subnet_id)
|
|
.map_err(|e| {
|
|
handle_attestation_error(
|
|
e,
|
|
&format!("unaggregated attestation {} failed gossip verification", i),
|
|
data,
|
|
log,
|
|
)
|
|
})?;
|
|
|
|
// Publish the attestation to the network
|
|
if let Err(e) = network_chan.send(NetworkMessage::Publish {
|
|
messages: vec![PubsubMessage::Attestation(Box::new((
|
|
subnet_id,
|
|
attestation,
|
|
)))],
|
|
}) {
|
|
return Err(ApiError::ServerError(format!(
|
|
"Unable to send unaggregated attestation {} to network: {:?}",
|
|
i, e
|
|
)));
|
|
}
|
|
|
|
beacon_chain
|
|
.apply_attestation_to_fork_choice(&verified_attestation)
|
|
.map_err(|e| {
|
|
handle_fork_choice_error(
|
|
e,
|
|
&format!(
|
|
"unaggregated attestation {} was unable to be added to fork choice",
|
|
i
|
|
),
|
|
data,
|
|
log,
|
|
)
|
|
})?;
|
|
|
|
beacon_chain
|
|
.add_to_naive_aggregation_pool(verified_attestation)
|
|
.map_err(|e| {
|
|
handle_attestation_error(
|
|
e,
|
|
&format!(
|
|
"unaggregated attestation {} was unable to be added to aggregation pool",
|
|
i
|
|
),
|
|
data,
|
|
log,
|
|
)
|
|
})?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// HTTP Handler to publish an Attestation, which has been signed by a validator.
|
|
#[allow(clippy::redundant_clone)] // false positives in this function.
|
|
pub async fn publish_aggregate_and_proofs<T: BeaconChainTypes>(
|
|
req: Request<Body>,
|
|
beacon_chain: Arc<BeaconChain<T>>,
|
|
network_chan: NetworkChannel<T::EthSpec>,
|
|
log: Logger,
|
|
) -> ApiResult {
|
|
try_future!(check_content_type_for_json(&req));
|
|
let response_builder = ResponseBuilder::new(&req);
|
|
let body = req.into_body();
|
|
let chunk = hyper::body::to_bytes(body)
|
|
.await
|
|
.map_err(|e| ApiError::ServerError(format!("Unable to get request body: {:?}", e)))?;
|
|
let chunks = chunk.iter().cloned().collect::<Vec<u8>>();
|
|
serde_json::from_slice(&chunks.as_slice())
|
|
.map_err(|e| {
|
|
ApiError::BadRequest(format!(
|
|
"Unable to deserialize JSON into a list of SignedAggregateAndProof: {:?}",
|
|
e
|
|
))
|
|
})
|
|
// Process all of the aggregates _without_ exiting early if one fails.
|
|
.map(
|
|
move |signed_aggregates: Vec<SignedAggregateAndProof<T::EthSpec>>| {
|
|
signed_aggregates
|
|
.into_par_iter()
|
|
.enumerate()
|
|
.map(|(i, signed_aggregate)| {
|
|
process_aggregated_attestation(
|
|
&beacon_chain,
|
|
network_chan.clone(),
|
|
signed_aggregate,
|
|
i,
|
|
&log,
|
|
)
|
|
})
|
|
.collect::<Vec<Result<_, _>>>()
|
|
},
|
|
)
|
|
// Iterate through all the results and return on the first `Err`.
|
|
//
|
|
// Note: this will only provide info about the _first_ failure, not all failures.
|
|
.and_then(|processing_results| processing_results.into_iter().try_for_each(|result| result))
|
|
.and_then(|_| response_builder?.body_no_ssz(&()))
|
|
}
|
|
|
|
/// Processes an aggregrated attestation that was included in a list of attestations with the index
|
|
/// `i`.
|
|
#[allow(clippy::redundant_clone)] // false positives in this function.
|
|
fn process_aggregated_attestation<T: BeaconChainTypes>(
|
|
beacon_chain: &BeaconChain<T>,
|
|
network_chan: NetworkChannel<T::EthSpec>,
|
|
signed_aggregate: SignedAggregateAndProof<T::EthSpec>,
|
|
i: usize,
|
|
log: &Logger,
|
|
) -> Result<(), ApiError> {
|
|
let data = &signed_aggregate.message.aggregate.data.clone();
|
|
|
|
// Verify that the attestation is valid to be included on the gossip network.
|
|
//
|
|
// Using this gossip check for local validators is not necessarily ideal, there will be some
|
|
// attestations that we reject that could possibly be included in a block (e.g., attestations
|
|
// that late by more than 1 epoch but less than 2). We can come pick this back up if we notice
|
|
// that it's materially affecting validator profits. Until then, I'm hesitant to introduce yet
|
|
// _another_ attestation verification path.
|
|
let verified_attestation =
|
|
match beacon_chain.verify_aggregated_attestation_for_gossip(signed_aggregate.clone()) {
|
|
Ok(verified_attestation) => verified_attestation,
|
|
Err(AttnError::AttestationAlreadyKnown(attestation_root)) => {
|
|
trace!(
|
|
log,
|
|
"Ignored known attn from local validator";
|
|
"attn_root" => format!("{}", attestation_root)
|
|
);
|
|
|
|
// Exit early with success for a known attestation, there's no need to re-process
|
|
// an aggregate we already know.
|
|
return Ok(());
|
|
}
|
|
/*
|
|
* It's worth noting that we don't check for `Error::AggregatorAlreadyKnown` since (at
|
|
* the time of writing) we check for `AttestationAlreadyKnown` first.
|
|
*
|
|
* Given this, it's impossible to hit `Error::AggregatorAlreadyKnown` without that
|
|
* aggregator having already produced a conflicting aggregation. This is not slashable
|
|
* but I think it's still the sort of condition we should error on, at least for now.
|
|
*/
|
|
Err(e) => {
|
|
return Err(handle_attestation_error(
|
|
e,
|
|
&format!("aggregated attestation {} failed gossip verification", i),
|
|
data,
|
|
log,
|
|
))
|
|
}
|
|
};
|
|
|
|
// Publish the attestation to the network
|
|
if let Err(e) = network_chan.send(NetworkMessage::Publish {
|
|
messages: vec![PubsubMessage::AggregateAndProofAttestation(Box::new(
|
|
signed_aggregate,
|
|
))],
|
|
}) {
|
|
return Err(ApiError::ServerError(format!(
|
|
"Unable to send aggregated attestation {} to network: {:?}",
|
|
i, e
|
|
)));
|
|
}
|
|
|
|
beacon_chain
|
|
.apply_attestation_to_fork_choice(&verified_attestation)
|
|
.map_err(|e| {
|
|
handle_fork_choice_error(
|
|
e,
|
|
&format!(
|
|
"aggregated attestation {} was unable to be added to fork choice",
|
|
i
|
|
),
|
|
data,
|
|
log,
|
|
)
|
|
})?;
|
|
|
|
beacon_chain
|
|
.add_to_block_inclusion_pool(verified_attestation)
|
|
.map_err(|e| {
|
|
handle_attestation_error(
|
|
e,
|
|
&format!(
|
|
"aggregated attestation {} was unable to be added to op pool",
|
|
i
|
|
),
|
|
data,
|
|
log,
|
|
)
|
|
})?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Common handler for `AttnError` during attestation verification.
|
|
fn handle_attestation_error(
|
|
e: AttnError,
|
|
detail: &str,
|
|
data: &AttestationData,
|
|
log: &Logger,
|
|
) -> ApiError {
|
|
match e {
|
|
AttnError::BeaconChainError(e) => {
|
|
error!(
|
|
log,
|
|
"Internal error verifying local attestation";
|
|
"detail" => detail,
|
|
"error" => format!("{:?}", e),
|
|
"target" => data.target.epoch,
|
|
"source" => data.source.epoch,
|
|
"index" => data.index,
|
|
"slot" => data.slot,
|
|
);
|
|
|
|
ApiError::ServerError(format!(
|
|
"Internal error verifying local attestation. Error: {:?}. Detail: {}",
|
|
e, detail
|
|
))
|
|
}
|
|
e => {
|
|
error!(
|
|
log,
|
|
"Invalid local attestation";
|
|
"detail" => detail,
|
|
"reason" => format!("{:?}", e),
|
|
"target" => data.target.epoch,
|
|
"source" => data.source.epoch,
|
|
"index" => data.index,
|
|
"slot" => data.slot,
|
|
);
|
|
|
|
ApiError::ProcessingError(format!(
|
|
"Invalid local attestation. Error: {:?} Detail: {}",
|
|
e, detail
|
|
))
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Common handler for `ForkChoiceError` during attestation verification.
|
|
fn handle_fork_choice_error(
|
|
e: BeaconChainError,
|
|
detail: &str,
|
|
data: &AttestationData,
|
|
log: &Logger,
|
|
) -> ApiError {
|
|
match e {
|
|
BeaconChainError::ForkChoiceError(ForkChoiceError::InvalidAttestation(e)) => {
|
|
error!(
|
|
log,
|
|
"Local attestation invalid for fork choice";
|
|
"detail" => detail,
|
|
"reason" => format!("{:?}", e),
|
|
"target" => data.target.epoch,
|
|
"source" => data.source.epoch,
|
|
"index" => data.index,
|
|
"slot" => data.slot,
|
|
);
|
|
|
|
ApiError::ProcessingError(format!(
|
|
"Invalid local attestation. Error: {:?} Detail: {}",
|
|
e, detail
|
|
))
|
|
}
|
|
e => {
|
|
error!(
|
|
log,
|
|
"Internal error applying attn to fork choice";
|
|
"detail" => detail,
|
|
"error" => format!("{:?}", e),
|
|
"target" => data.target.epoch,
|
|
"source" => data.source.epoch,
|
|
"index" => data.index,
|
|
"slot" => data.slot,
|
|
);
|
|
|
|
ApiError::ServerError(format!(
|
|
"Internal error verifying local attestation. Error: {:?}. Detail: {}",
|
|
e, detail
|
|
))
|
|
}
|
|
}
|
|
}
|