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Change validator/duties endpoint

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This commit is contained in:
Paul Hauner
2019-11-27 17:30:44 +11:00
parent 97aa8b75b8
commit dcd889f6ba
2 changed files with 44 additions and 23 deletions
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42
beacon_node/rest_api/src/validator.rs
View File

@@ -93,31 +93,31 @@ fn return_validator_duties<T: BeaconChainTypes>(
epoch: Epoch,
validator_pubkeys: Vec<PublicKey>,
) -> Result<Vec<ValidatorDuty>, ApiError> {
let head_state = beacon_chain.head().beacon_state;
let head_epoch = head_state.current_epoch();
let slots_per_epoch = T::EthSpec::slots_per_epoch();
let head_epoch = beacon_chain.head().beacon_state.current_epoch();
let relative_epoch = RelativeEpoch::from_epoch(head_epoch, epoch);
let mut state = if relative_epoch.is_err() {
head_state
let mut state = if RelativeEpoch::from_epoch(head_epoch, epoch).is_ok() {
beacon_chain.head().beacon_state
} else {
match beacon_chain.state_at_slot(epoch.start_slot(T::EthSpec::slots_per_epoch())) {
Ok(state) => state,
Err(e) => {
return Err(ApiError::ServerError(format!(
"Unable to load state for epoch {}: {:?}",
epoch, e
)))
}
}
let slot = if epoch > head_epoch {
// Move to the first slot of the epoch prior to the request.
//
// Taking advantage of saturating epoch subtraction.
(epoch - 1).start_slot(slots_per_epoch)
} else {
// Move to the end of the epoch following the target.
//
// Taking advantage of saturating epoch subtraction.
(epoch + 2).start_slot(slots_per_epoch) - 1
};
beacon_chain.state_at_slot(slot).map_err(|e| {
ApiError::ServerError(format!("Unable to load state for epoch {}: {:?}", epoch, e))
})?
};
let relative_epoch = relative_epoch.or_else(|_| {
RelativeEpoch::from_epoch(state.current_epoch(), epoch).map_err(|_| {
ApiError::BadRequest(String::from(
"Epoch must be within one epoch of the current epoch",
))
})
})?;
let relative_epoch = RelativeEpoch::from_epoch(state.current_epoch(), epoch)
.map_err(|_| ApiError::ServerError(String::from("Loaded state is in the wrong epoch")))?;
state
.build_committee_cache(relative_epoch, &beacon_chain.spec)

25
beacon_node/rest_api/tests/test.rs
View File

@@ -205,7 +205,7 @@ fn validator_duties() {
.beacon_chain()
.expect("client should have beacon chain");
let epoch = Epoch::new(0);
let mut epoch = Epoch::new(0);
let validators = beacon_chain
.head()
@@ -220,7 +220,26 @@ fn validator_duties() {
.block_on(remote_node.http.validator().get_duties(epoch, &validators))
.expect("should fetch duties from http api");
// 1. Check at the current epoch.
check_duties(
duties,
epoch,
validators.clone(),
beacon_chain.clone(),
spec,
);
epoch += 4;
let duties = env
.runtime()
.block_on(remote_node.http.validator().get_duties(epoch, &validators))
.expect("should fetch duties from http api");
// 2. Check with a long skip forward.
check_duties(duties, epoch, validators, beacon_chain, spec);
// TODO: test an epoch in the past. Blocked because the `LocalBeaconNode` cannot produce a
// chain, yet.
}
fn check_duties<T: BeaconChainTypes>(
@@ -236,7 +255,9 @@ fn check_duties<T: BeaconChainTypes>(
"there should be a duty for each validator"
);
let state = beacon_chain.head().beacon_state.clone();
let state = beacon_chain
.state_at_slot(epoch.start_slot(T::EthSpec::slots_per_epoch()))
.expect("should get state at slot");
validators
.iter()