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Refactor slot clock to remove underflow

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Previously I had used `Instant` to refer to the genesis time.
This commit is contained in:
Paul Hauner
2019-09-21 11:21:47 +10:00
parent 1b497e2e24
commit 8ceb2e3d95
5 changed files with 81 additions and 84 deletions
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14
beacon_node/beacon_chain/src/beacon_chain.rs
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@@ -158,12 +158,11 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
));
// Slot clock
let slot_clock = T::SlotClock::from_eth2_genesis(
let slot_clock = T::SlotClock::new(
spec.genesis_slot,
genesis_state.genesis_time,
Duration::from_secs(genesis_state.genesis_time),
Duration::from_millis(spec.milliseconds_per_slot),
)
.map_err(|_| Error::SlotClockDidNotStart)?;
);
info!(log, "Beacon chain initialized from genesis";
"validator_count" => genesis_state.validators.len(),
@@ -202,12 +201,11 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
let state = &p.canonical_head.beacon_state;
let slot_clock = T::SlotClock::from_eth2_genesis(
let slot_clock = T::SlotClock::new(
spec.genesis_slot,
state.genesis_time,
Duration::from_secs(state.genesis_time),
Duration::from_millis(spec.milliseconds_per_slot),
)
.map_err(|_| Error::SlotClockDidNotStart)?;
);
let last_finalized_root = p.canonical_head.beacon_state.finalized_checkpoint.root;
let last_finalized_block = &p.canonical_head.beacon_block;