fuel_vm/storage/
blob_data.rs

1use core::borrow::Borrow;
2
3use fuel_storage::Mappable;
4use fuel_types::{
5    BlobId,
6    fmt_truncated_hex,
7};
8
9use alloc::vec::Vec;
10use educe::Educe;
11
12#[cfg(feature = "random")]
13use rand::{
14    Rng,
15    distributions::{
16        Distribution,
17        Standard,
18    },
19};
20
21/// The storage table for blob data bytes.
22pub struct BlobData;
23
24impl Mappable for BlobData {
25    type Key = Self::OwnedKey;
26    type OwnedKey = BlobId;
27    type OwnedValue = BlobBytes;
28    type Value = [u8];
29}
30
31/// Storage type for blob bytes
32#[derive(Educe, Clone, PartialEq, Eq, Hash)]
33#[educe(Debug)]
34#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
35pub struct BlobBytes(#[educe(Debug(method(fmt_truncated_hex::<16>)))] pub Vec<u8>);
36
37impl From<Vec<u8>> for BlobBytes {
38    fn from(c: Vec<u8>) -> Self {
39        Self(c)
40    }
41}
42
43impl From<&[u8]> for BlobBytes {
44    fn from(c: &[u8]) -> Self {
45        Self(c.into())
46    }
47}
48
49impl From<&mut [u8]> for BlobBytes {
50    fn from(c: &mut [u8]) -> Self {
51        Self(c.into())
52    }
53}
54
55impl From<BlobBytes> for Vec<u8> {
56    fn from(c: BlobBytes) -> Vec<u8> {
57        c.0
58    }
59}
60
61impl Borrow<[u8]> for BlobBytes {
62    fn borrow(&self) -> &[u8] {
63        &self.0
64    }
65}
66
67impl AsRef<[u8]> for BlobBytes {
68    fn as_ref(&self) -> &[u8] {
69        self.0.as_ref()
70    }
71}
72
73impl AsMut<[u8]> for BlobBytes {
74    fn as_mut(&mut self) -> &mut [u8] {
75        self.0.as_mut()
76    }
77}
78
79#[cfg(feature = "random")]
80impl Distribution<BlobBytes> for Standard {
81    fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> BlobBytes {
82        let len = rng.gen_range(0..1024);
83        let mut val = Vec::new();
84        for _ in 0..len {
85            val.push(rng.r#gen());
86        }
87        BlobBytes(val)
88    }
89}
90
91impl IntoIterator for BlobBytes {
92    type IntoIter = alloc::vec::IntoIter<Self::Item>;
93    type Item = u8;
94
95    fn into_iter(self) -> Self::IntoIter {
96        self.0.into_iter()
97    }
98}
fuel_vm/storage/blob_data.rs

fuel_vm/storage/
blob_data.rs
