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Refactor slot clock.

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Paul Hauner
2019-08-29 12:46:18 +10:00
parent 6bb3a65189
commit 7bfe02be1c
4 changed files with 98 additions and 156 deletions
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19
eth2/utils/slot_clock/src/lib.rs
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@@ -5,24 +5,19 @@ mod metrics;
mod system_time_slot_clock;
mod testing_slot_clock;
use std::time::Duration;
use std::time::{Duration, Instant};
pub use crate::system_time_slot_clock::{Error as SystemTimeSlotClockError, SystemTimeSlotClock};
pub use crate::testing_slot_clock::{Error as TestingSlotClockError, TestingSlotClock};
pub use crate::system_time_slot_clock::SystemTimeSlotClock;
pub use crate::testing_slot_clock::TestingSlotClock;
pub use metrics::scrape_for_metrics;
pub use types::Slot;
pub trait SlotClock: Send + Sync + Sized {
type Error;
fn new(genesis_slot: Slot, genesis: Instant, slot_duration: Duration) -> Self;
/// Create a new `SlotClock`.
///
/// Returns an Error if `slot_duration_seconds == 0`.
fn new(genesis_slot: Slot, genesis_seconds: u64, slot_duration_seconds: u64) -> Self;
fn present_slot(&self) -> Option<Slot>;
fn present_slot(&self) -> Result<Option<Slot>, Self::Error>;
fn duration_to_next_slot(&self) -> Option<Duration>;
fn duration_to_next_slot(&self) -> Result<Option<Duration>, Self::Error>;
fn slot_duration_millis(&self) -> u64;
fn slot_duration(&self) -> Duration;
}