loong_contracts/
clock.rs

1use std::sync::atomic::{AtomicU64, Ordering};
2use std::time::{SystemTime, UNIX_EPOCH};
3
4pub trait Clock: Send + Sync {
5    fn now_epoch_s(&self) -> u64;
6}
7
8#[derive(Debug, Default)]
9pub struct SystemClock;
10
11impl Clock for SystemClock {
12    fn now_epoch_s(&self) -> u64 {
13        SystemTime::now()
14            .duration_since(UNIX_EPOCH)
15            .map_or(0, |duration| duration.as_secs())
16    }
17}
18
19#[derive(Debug)]
20pub struct FixedClock {
21    now_epoch_s: AtomicU64,
22}
23
24impl FixedClock {
25    #[must_use]
26    pub fn new(now_epoch_s: u64) -> Self {
27        Self {
28            now_epoch_s: AtomicU64::new(now_epoch_s),
29        }
30    }
31
32    pub fn set(&self, now_epoch_s: u64) {
33        self.now_epoch_s.store(now_epoch_s, Ordering::Relaxed);
34    }
35
36    pub fn advance_by(&self, delta_s: u64) {
37        self.now_epoch_s.fetch_add(delta_s, Ordering::Relaxed);
38    }
39}
40
41impl Clock for FixedClock {
42    fn now_epoch_s(&self) -> u64 {
43        self.now_epoch_s.load(Ordering::Relaxed)
44    }
45}
loong_contracts/clock.rs

loong_contracts/
clock.rs
