stratus/eth/primitives/
gas.rs

1use alloy_primitives::U64;
2use display_json::DebugAsJson;
3use fake::Dummy;
4use fake::Faker;
5
6use crate::ext::RuintExt;
7
8#[derive(DebugAsJson, derive_more::Display, Clone, Copy, Default, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
9#[serde(transparent)]
10pub struct Gas(U64);
11
12impl Gas {
13    pub const ZERO: Gas = Gas(U64::ZERO);
14    pub const MAX: Gas = Gas(U64::MAX);
15
16    pub fn as_u64(&self) -> u64 {
17        self.0.as_u64()
18    }
19}
20
21impl Dummy<Faker> for Gas {
22    fn dummy_with_rng<R: rand::Rng + ?Sized>(_: &Faker, rng: &mut R) -> Self {
23        rng.next_u64().into()
24    }
25}
26
27// -----------------------------------------------------------------------------
28// Conversions: Other -> Self
29// -----------------------------------------------------------------------------
30
31impl From<u8> for Gas {
32    fn from(value: u8) -> Self {
33        Self(U64::from(value))
34    }
35}
36
37impl From<u16> for Gas {
38    fn from(value: u16) -> Self {
39        Self(U64::from(value))
40    }
41}
42
43impl From<u32> for Gas {
44    fn from(value: u32) -> Self {
45        Self(U64::from(value))
46    }
47}
48
49impl From<u64> for Gas {
50    fn from(value: u64) -> Self {
51        Self(U64::from(value))
52    }
53}
54
55impl TryFrom<i32> for Gas {
56    type Error = anyhow::Error;
57
58    fn try_from(value: i32) -> Result<Self, Self::Error> {
59        if value < 0 {
60            return Err(anyhow::anyhow!("Gas cannot be negative"));
61        }
62        Ok(Self(U64::from(value as u32)))
63    }
64}
65
66// -----------------------------------------------------------------------------
67// Conversions: Self -> Other
68// ----------------------------------------------------------------------------
69
70impl From<Gas> for u64 {
71    fn from(value: Gas) -> Self {
72        value.as_u64()
73    }
74}
stratus/eth/primitives/gas.rs

stratus/eth/primitives/
gas.rs
