fuel_core_interfaces/model/
block_height.rs

1use derive_more::{
2    Add,
3    Deref,
4    Display,
5    From,
6    Into,
7    Sub,
8};
9use std::{
10    array::TryFromSliceError,
11    convert::{
12        TryFrom,
13        TryInto,
14    },
15};
16
17#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
18#[derive(
19    Copy,
20    Clone,
21    Debug,
22    Default,
23    PartialEq,
24    PartialOrd,
25    Ord,
26    Eq,
27    Add,
28    Sub,
29    Display,
30    Into,
31    From,
32    Deref,
33    Hash,
34)]
35#[repr(transparent)]
36pub struct BlockHeight(u32);
37
38impl From<BlockHeight> for Vec<u8> {
39    fn from(height: BlockHeight) -> Self {
40        height.0.to_be_bytes().to_vec()
41    }
42}
43
44impl From<u64> for BlockHeight {
45    fn from(height: u64) -> Self {
46        Self(height as u32)
47    }
48}
49
50impl From<BlockHeight> for u64 {
51    fn from(b: BlockHeight) -> Self {
52        b.0 as u64
53    }
54}
55
56impl TryFrom<Vec<u8>> for BlockHeight {
57    type Error = TryFromSliceError;
58
59    fn try_from(value: Vec<u8>) -> Result<Self, Self::Error> {
60        let block_height_bytes: [u8; 4] = value.as_slice().try_into()?;
61        Ok(BlockHeight(u32::from_be_bytes(block_height_bytes)))
62    }
63}
64
65impl From<usize> for BlockHeight {
66    fn from(n: usize) -> Self {
67        BlockHeight(n as u32)
68    }
69}
70
71impl BlockHeight {
72    pub fn to_bytes(self) -> [u8; 4] {
73        self.0.to_be_bytes()
74    }
75
76    pub fn to_usize(self) -> usize {
77        self.0 as usize
78    }
79
80    pub fn as_usize(&self) -> usize {
81        self.0 as usize
82    }
83}
fuel_core_interfaces/model/block_height.rs

fuel_core_interfaces/model/
block_height.rs
