waves_rust/util/
bytes.rs

1pub struct Bytes;
2
3impl Bytes {
4    pub fn from_nonce(number: u8) -> Vec<u8> {
5        let mut bytes: [u8; 4] = [0; 4];
6        bytes[3] = number;
7        Vec::from(bytes)
8    }
9
10    pub fn concat(bytes: Vec<Vec<u8>>) -> Vec<u8> {
11        bytes.concat()
12    }
13}
14
15#[cfg(test)]
16mod tests {
17    use crate::util::Bytes;
18
19    #[test]
20    fn test_from_nonce() {
21        let vec = Bytes::from_nonce(127);
22        assert_eq!(vec, Vec::from([0, 0, 0, 127]))
23    }
24
25    #[test]
26    fn test_concat() {
27        let a: [u8; 4] = [0, 0, 0, 127];
28        let b: [u8; 3] = [1, 2, 3];
29
30        let bytes: Vec<Vec<u8>> = vec![a.to_vec(), b.to_vec()];
31        assert_eq!(Bytes::concat(bytes), Vec::from([0, 0, 0, 127, 1, 2, 3]))
32    }
33}
waves_rust/util/bytes.rs

waves_rust/util/
bytes.rs
