45 lines
1.4 KiB
Rust
45 lines
1.4 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, Instant, SystemTime, SystemTimeError, UNIX_EPOCH};
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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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pub trait SlotClock: Send + Sync + Sized {
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fn from_eth2_genesis(
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genesis_slot: Slot,
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genesis_seconds: u64,
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slot_duration: Duration,
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) -> Result<Self, SystemTimeError> {
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let duration_between_now_and_unix_epoch = SystemTime::now().duration_since(UNIX_EPOCH)?;
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let duration_between_unix_epoch_and_genesis = Duration::from_secs(genesis_seconds);
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let genesis_instant = if duration_between_now_and_unix_epoch
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< duration_between_unix_epoch_and_genesis
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{
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Instant::now()
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+ (duration_between_unix_epoch_and_genesis - duration_between_now_and_unix_epoch)
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} else {
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Instant::now()
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- (duration_between_now_and_unix_epoch - duration_between_unix_epoch_and_genesis)
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};
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Ok(Self::new(genesis_slot, genesis_instant, slot_duration))
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}
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fn new(genesis_slot: Slot, genesis: Instant, slot_duration: Duration) -> Self;
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fn now(&self) -> Option<Slot>;
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fn duration_to_next_slot(&self) -> Option<Duration>;
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fn slot_duration(&self) -> Duration;
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}
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