lighthouse/beacon_node/http_api/src/validators.rs
Michael Sproul b882519d2f
Implement POST validators/validator_balances APIs (#4872)
* Add POST for fetching validators from state

* Implement POST for balances

* Tests
2023-12-08 12:09:36 +11:00

120 lines
4.9 KiB
Rust

use crate::state_id::StateId;
use beacon_chain::{BeaconChain, BeaconChainTypes};
use eth2::types::{
self as api_types, ExecutionOptimisticFinalizedResponse, ValidatorBalanceData, ValidatorData,
ValidatorId, ValidatorStatus,
};
use std::sync::Arc;
pub fn get_beacon_state_validators<T: BeaconChainTypes>(
state_id: StateId,
chain: Arc<BeaconChain<T>>,
query_ids: &Option<Vec<ValidatorId>>,
query_statuses: &Option<Vec<ValidatorStatus>>,
) -> Result<ExecutionOptimisticFinalizedResponse<Vec<ValidatorData>>, warp::Rejection> {
let (data, execution_optimistic, finalized) = state_id
.map_state_and_execution_optimistic_and_finalized(
&chain,
|state, execution_optimistic, finalized| {
let epoch = state.current_epoch();
let far_future_epoch = chain.spec.far_future_epoch;
Ok((
state
.validators()
.iter()
.zip(state.balances().iter())
.enumerate()
// filter by validator id(s) if provided
.filter(|(index, (validator, _))| {
query_ids.as_ref().map_or(true, |ids| {
ids.iter().any(|id| match id {
ValidatorId::PublicKey(pubkey) => &validator.pubkey == pubkey,
ValidatorId::Index(param_index) => {
*param_index == *index as u64
}
})
})
})
// filter by status(es) if provided and map the result
.filter_map(|(index, (validator, balance))| {
let status = api_types::ValidatorStatus::from_validator(
validator,
epoch,
far_future_epoch,
);
let status_matches = query_statuses.as_ref().map_or(true, |statuses| {
statuses.contains(&status)
|| statuses.contains(&status.superstatus())
});
if status_matches {
Some(ValidatorData {
index: index as u64,
balance: *balance,
status,
validator: validator.clone(),
})
} else {
None
}
})
.collect::<Vec<_>>(),
execution_optimistic,
finalized,
))
},
)?;
Ok(ExecutionOptimisticFinalizedResponse {
data,
execution_optimistic: Some(execution_optimistic),
finalized: Some(finalized),
})
}
pub fn get_beacon_state_validator_balances<T: BeaconChainTypes>(
state_id: StateId,
chain: Arc<BeaconChain<T>>,
optional_ids: Option<&[ValidatorId]>,
) -> Result<ExecutionOptimisticFinalizedResponse<Vec<ValidatorBalanceData>>, warp::Rejection> {
let (data, execution_optimistic, finalized) = state_id
.map_state_and_execution_optimistic_and_finalized(
&chain,
|state, execution_optimistic, finalized| {
Ok((
state
.validators()
.iter()
.zip(state.balances().iter())
.enumerate()
// filter by validator id(s) if provided
.filter(|(index, (validator, _))| {
optional_ids.map_or(true, |ids| {
ids.iter().any(|id| match id {
ValidatorId::PublicKey(pubkey) => &validator.pubkey == pubkey,
ValidatorId::Index(param_index) => {
*param_index == *index as u64
}
})
})
})
.map(|(index, (_, balance))| ValidatorBalanceData {
index: index as u64,
balance: *balance,
})
.collect::<Vec<_>>(),
execution_optimistic,
finalized,
))
},
)?;
Ok(api_types::ExecutionOptimisticFinalizedResponse {
data,
execution_optimistic: Some(execution_optimistic),
finalized: Some(finalized),
})
}