1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

include!(concat!(env!("OUT_DIR"), "/codegen.rs"));

/// Returns the selector as a string if it is part of the known selector list,
/// or None if it is not
/// # Example
/// ```rust
///use starknet_selector_decoder::get_selector;
///
///let result =
///    get_selector("0x0083afd3f4caedc6eebf44246fe54e38c95e3179a5ec9ea81740eca5b482d12e");
///match result {
///    Some(selector) => assert_eq!(selector, "transfer"),
///    None => assert!(false),
///}
///```
pub fn get_selector(keyword: &str) -> Option<&str> {
    SELECTORS.get(keyword).cloned()
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_selectors() {
        let result =
            get_selector("0x0083afd3f4caedc6eebf44246fe54e38c95e3179a5ec9ea81740eca5b482d12e");
        match result {
            Some(selector) => assert_eq!(selector, "transfer"),
            None => assert!(false),
        }
    }

    #[test]
    fn test_selector_not_present() {
        let result =
            get_selector("0x0083afd3f4caedc6eebf44246fe54e38c95e3179a5ec9ea81740eca5b482d12f");
        match result {
            Some(_) => assert!(false),
            None => assert!(true),
        }
    }
}