appletheia_application/command/
command_hash.rs

1use std::fmt::{self, Display};
2
3use serde::{Deserialize, Serialize};
4use thiserror::Error;
5
6#[derive(Clone, Debug, Eq, PartialEq, Hash, Serialize, Deserialize)]
7#[serde(transparent)]
8pub struct CommandHash(String);
9
10#[derive(Debug, Error)]
11pub enum CommandHashError {
12    #[error("command hash must be 64 lowercase hex chars")]
13    InvalidFormat,
14}
15
16impl CommandHash {
17    pub const LENGTH: usize = 64;
18
19    pub fn new(value: String) -> Result<Self, CommandHashError> {
20        if value.len() != Self::LENGTH {
21            return Err(CommandHashError::InvalidFormat);
22        }
23        if !value
24            .as_bytes()
25            .iter()
26            .all(|&b| b.is_ascii_hexdigit() && !b.is_ascii_uppercase())
27        {
28            return Err(CommandHashError::InvalidFormat);
29        }
30        Ok(Self(value))
31    }
32
33    pub fn as_str(&self) -> &str {
34        &self.0
35    }
36}
37
38impl AsRef<str> for CommandHash {
39    fn as_ref(&self) -> &str {
40        self.as_str()
41    }
42}
43
44impl Display for CommandHash {
45    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
46        write!(f, "{}", self.as_str())
47    }
48}
49
50impl From<CommandHash> for String {
51    fn from(value: CommandHash) -> Self {
52        value.0
53    }
54}
appletheia_application/command/command_hash.rs

appletheia_application/command/
command_hash.rs
