unified_bridge/
rollup_id.rs

1use std::{fmt::Display, num::NonZeroU32};
2
3use serde::{Deserialize, Serialize};
4
5use crate::{NetworkId, RollupIndex};
6
7/// A rollup ID.
8///
9/// Rollups are numbered from 1 to `u32::MAX`.
10#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize, Hash)]
11#[cfg_attr(feature = "testutils", derive(arbitrary::Arbitrary))]
12#[repr(transparent)]
13pub struct RollupId(NonZeroU32);
14
15impl Display for RollupId {
16    #[inline]
17    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
18        self.0.fmt(f)
19    }
20}
21
22#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error)]
23#[error("Invalid rollup id")]
24pub struct InvalidRollupIdError;
25
26impl RollupId {
27    pub const BITS: usize = u32::BITS as usize;
28
29    #[inline]
30    pub const fn new(value: u32) -> Result<RollupId, InvalidRollupIdError> {
31        match NonZeroU32::new(value) {
32            Some(v) => Ok(RollupId(v)),
33            None => Err(InvalidRollupIdError),
34        }
35    }
36
37    #[inline]
38    pub const fn to_u32(self) -> u32 {
39        self.0.get()
40    }
41
42    #[inline]
43    pub const fn to_be_bytes(self) -> [u8; 4] {
44        self.0.get().to_be_bytes()
45    }
46
47    #[inline]
48    pub const fn to_le_bytes(self) -> [u8; 4] {
49        self.0.get().to_le_bytes()
50    }
51}
52
53impl TryFrom<u32> for RollupId {
54    type Error = InvalidRollupIdError;
55
56    #[inline]
57    fn try_from(value: u32) -> Result<Self, Self::Error> {
58        Self::new(value)
59    }
60}
61
62impl From<RollupId> for u32 {
63    #[inline]
64    fn from(value: RollupId) -> Self {
65        value.0.get()
66    }
67}
68
69impl TryFrom<NetworkId> for RollupId {
70    type Error = InvalidRollupIdError;
71
72    #[inline]
73    fn try_from(value: NetworkId) -> Result<Self, Self::Error> {
74        RollupId::new(value.to_u32())
75    }
76}
77
78impl From<RollupId> for NetworkId {
79    #[inline]
80    fn from(value: RollupId) -> Self {
81        NetworkId::new(value.0.get())
82    }
83}
84
85impl From<RollupIndex> for RollupId {
86    #[inline]
87    fn from(value: RollupIndex) -> Self {
88        RollupId(NonZeroU32::new(value.to_u32() + 1).unwrap())
89    }
90}
unified_bridge/rollup_id.rs

unified_bridge/
rollup_id.rs
