32 lines
952 B
Rust
32 lines
952 B
Rust
use crate::common::exit_validator;
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use types::{BeaconStateError as Error, *};
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/// Iterate through the validator registry and eject active validators with balance below
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/// ``EJECTION_BALANCE``.
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///
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/// Spec v0.5.1
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pub fn process_ejections<T: EthSpec>(
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state: &mut BeaconState<T>,
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spec: &ChainSpec,
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) -> Result<(), Error> {
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// There is an awkward double (triple?) loop here because we can't loop across the borrowed
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// active validator indices and mutate state in the one loop.
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let exitable: Vec<usize> = state
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.get_cached_active_validator_indices(RelativeEpoch::Current, spec)?
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.iter()
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.filter_map(|&i| {
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if state.validator_balances[i as usize] < spec.ejection_balance {
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Some(i)
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} else {
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None
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}
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})
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.collect();
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for validator_index in exitable {
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exit_validator(state, validator_index, spec)?
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}
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Ok(())
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}
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