barter_execution/order/
id.rs

1use derive_more::{Display, From};
2use rand::prelude::IndexedRandom;
3use serde::{Deserialize, Serialize};
4use smol_str::SmolStr;
5
6#[derive(
7    Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Deserialize, Serialize, Display, From,
8)]
9pub struct ClientOrderId<T = SmolStr>(pub T);
10
11impl ClientOrderId<SmolStr> {
12    /// Construct a `ClientOrderId` from the specified string.
13    ///
14    /// Use [`Self::random`] to generate a random stack-allocated `ClientOrderId`.
15    pub fn new<S: Into<SmolStr>>(id: S) -> Self {
16        Self(id.into())
17    }
18
19    /// Construct a stack-allocated `ClientOrderId` backed by a 23 byte [`SmolStr`].
20    pub fn random() -> Self {
21        const LEN_URL_SAFE_SYMBOLS: usize = 64;
22        const URL_SAFE_SYMBOLS: [char; LEN_URL_SAFE_SYMBOLS] = [
23            '_', '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e',
24            'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
25            'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
26            'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
27        ];
28        // SmolStr can be up to 23 bytes long without allocating
29        const LEN_NON_ALLOCATING_CID: usize = 23;
30
31        let mut thread_rng = rand::rng();
32
33        let random_utf8: [u8; LEN_NON_ALLOCATING_CID] = std::array::from_fn(|_| {
34            let symbol = URL_SAFE_SYMBOLS
35                .choose(&mut thread_rng)
36                .expect("URL_SAFE_SYMBOLS slice is not empty");
37
38            *symbol as u8
39        });
40
41        let random_utf8_str =
42            std::str::from_utf8(&random_utf8).expect("URL_SAFE_SYMBOLS are valid utf8");
43
44        Self(SmolStr::new_inline(random_utf8_str))
45    }
46}
47
48impl Default for ClientOrderId<SmolStr> {
49    fn default() -> Self {
50        Self::random()
51    }
52}
53
54#[derive(
55    Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Deserialize, Serialize, Display, From,
56)]
57pub struct OrderId<T = SmolStr>(pub T);
58
59impl OrderId {
60    pub fn new<S: AsRef<str>>(id: S) -> Self {
61        Self(SmolStr::new(id))
62    }
63}
64
65#[derive(
66    Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Deserialize, Serialize, Display, From,
67)]
68pub struct StrategyId(pub SmolStr);
69
70impl StrategyId {
71    pub fn new<S: AsRef<str>>(id: S) -> Self {
72        Self(SmolStr::new(id))
73    }
74
75    pub fn unknown() -> Self {
76        Self::new("unknown")
77    }
78}
barter_execution/order/id.rs

barter_execution/order/
id.rs
