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35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
#[macro_use]
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extern crate lazy_static;
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mod metrics;
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mod system_time_slot_clock;
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mod testing_slot_clock;
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use std::time::Duration;
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pub use crate::system_time_slot_clock::SystemTimeSlotClock;
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pub use crate::testing_slot_clock::TestingSlotClock;
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pub use metrics::scrape_for_metrics;
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pub use types::Slot;
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/// A clock that reports the current slot.
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///
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/// The clock is not required to be monotonically increasing and may go backwards.
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pub trait SlotClock: Send + Sync + Sized {
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/// Creates a new slot clock where the first slot is `genesis_slot`, genesis occured
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/// `genesis_duration` after the `UNIX_EPOCH` and each slot is `slot_duration` apart.
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fn new(genesis_slot: Slot, genesis_duration: Duration, slot_duration: Duration) -> Self;
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/// Returns the slot at this present time.
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fn now(&self) -> Option<Slot>;
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/// Returns the duration between slots
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fn slot_duration(&self) -> Duration;
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/// Returns the duration until the next slot.
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fn duration_to_next_slot(&self) -> Option<Duration>;
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/// Returns the duration until the first slot of the next epoch.
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fn duration_to_next_epoch(&self, slots_per_epoch: u64) -> Option<Duration>;
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}
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