templar_common/
time.rs

1use near_sdk::{json_types::U64, near};
2
3use crate::oracle::pyth::PythTimestamp;
4
5#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
6#[near(serializers = [json, borsh])]
7#[serde(transparent)]
8pub struct Nanoseconds(U64);
9
10impl Nanoseconds {
11    pub fn try_from_pyth(value: PythTimestamp) -> Option<Self> {
12        let ms = value.as_ms()?;
13        Some(Self::from_ms(u64::try_from(ms).ok()?))
14    }
15
16    pub fn try_to_pyth(&self) -> Option<PythTimestamp> {
17        Some(PythTimestamp::from_ms(i64::try_from(self.as_ms()).ok()?))
18    }
19
20    pub const fn zero() -> Self {
21        Self(U64(0))
22    }
23
24    /// Creates a `Nanoseconds` value from milliseconds.
25    pub const fn from_ns(value: u64) -> Self {
26        Self(U64(value))
27    }
28
29    /// Creates a `Nanoseconds` value from milliseconds.
30    pub const fn from_ms(value: u64) -> Self {
31        Self(U64(value.saturating_mul(1_000_000)))
32    }
33
34    /// Creates a `Milliseconds` value from seconds.
35    pub const fn from_secs(value: u64) -> Self {
36        Self(U64(value.saturating_mul(1_000_000_000)))
37    }
38
39    /// Returns the value as seconds, truncated.
40    pub const fn as_secs(&self) -> u64 {
41        self.0 .0 / 1_000_000_000
42    }
43
44    /// Returns the value as milliseconds, truncated.
45    pub const fn as_ms(&self) -> u64 {
46        self.0 .0 / 1_000_000
47    }
48
49    /// Returns the value as nanoseconds.
50    pub const fn as_ns(&self) -> u64 {
51        self.0 .0
52    }
53
54    pub fn now() -> Self {
55        Self::from_ns(near_sdk::env::block_timestamp())
56    }
57
58    #[must_use]
59    pub const fn saturating_add(self, rhs: Self) -> Self {
60        Self(U64(self.0 .0.saturating_add(rhs.0 .0)))
61    }
62
63    #[must_use]
64    pub const fn saturating_sub(self, rhs: Self) -> Self {
65        Self(U64(self.0 .0.saturating_sub(rhs.0 .0)))
66    }
67}
68
69impl std::fmt::Display for Nanoseconds {
70    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
71        write!(f, "{}ns", self.as_ns())
72    }
73}
74
75impl From<redstone::TimestampMillis> for Nanoseconds {
76    fn from(value: redstone::TimestampMillis) -> Self {
77        Self::from_ms(value.as_millis())
78    }
79}
80
81impl From<Nanoseconds> for redstone::TimestampMillis {
82    fn from(value: Nanoseconds) -> Self {
83        Self::from_millis(value.as_ms())
84    }
85}
templar_common/time.rs

templar_common/
time.rs
