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Replace unreachable expect with tidier solution (#1278)

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This commit is contained in:
Paul Hauner
2020-06-23 12:08:52 +10:00
committed by GitHub
parent 710409c2ba
commit 6d507ef863
1 changed files with 2 additions and 7 deletions
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9
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -1225,14 +1225,9 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
} }
} }
while !filtered_chain_segment.is_empty() { while let Some((_root, block)) = filtered_chain_segment.first() {
// Determine the epoch of the first block in the remaining segment. // Determine the epoch of the first block in the remaining segment.
let start_epoch = filtered_chain_segment let start_epoch = block.slot().epoch(T::EthSpec::slots_per_epoch());
.first()
.map(|(_root, block)| block)
.expect("chain_segment cannot be empty")
.slot()
.epoch(T::EthSpec::slots_per_epoch());
// The `last_index` indicates the position of the last block that is in the current // The `last_index` indicates the position of the last block that is in the current
// epoch of `start_epoch`. // epoch of `start_epoch`.