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Implement fixes from PR review

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This commit is contained in:
Paul Hauner
2019-06-24 15:31:36 +10:00
parent 3a196f3fdc
commit 8afe8b3569
3 changed files with 5 additions and 8 deletions
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9
eth2/types/src/beacon_state.rs
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@@ -586,13 +586,10 @@ impl<T: EthSpec> BeaconState<T> {
/// Gets the oldest (earliest slot) state root.
///
/// Spec v0.5.1
/// Spec v0.6.3
pub fn get_oldest_state_root(&self) -> Result<&Hash256, Error> {
let lookback = std::cmp::min(
self.slot - Slot::from(self.latest_state_roots.len()),
self.slot,
);
let i = self.get_latest_state_roots_index(self.slot - lookback)?;
let i = self
.get_latest_state_roots_index(self.slot - Slot::from(self.latest_state_roots.len()))?;
Ok(&self.latest_state_roots[i])
}