blob: 8d29c6056938aba9b8316e7f207c289b307d7def (
plain)
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
|
//! Code for a replay log for Proof-of-Work [`Nonce`]s.
use std::{borrow::Cow, ffi::OsStr};
use tor_hscrypto::pow::v1::{Nonce, Seed};
use super::{MAGIC_LEN, OUTPUT_LEN, REPLAY_LOG_SUFFIX, ReplayLogType};
/// A [`ReplayLogType`] to indicate using [`Nonce`] messages with [`Seed`] names.
pub(crate) struct PowNonceReplayLogType;
impl ReplayLogType for PowNonceReplayLogType {
type Name = Seed;
type Message = Nonce;
const MAGIC: &'static [u8; MAGIC_LEN] = b"<tor hss pow replay Kangaroo12>\n";
fn format_filename(name: &Seed) -> String {
format!("{name}{REPLAY_LOG_SUFFIX}")
}
fn transform_message(message: &Nonce) -> [u8; OUTPUT_LEN] {
*message.as_ref()
}
fn parse_log_leafname(leaf: &OsStr) -> Result<Seed, Cow<'static, str>> {
let leaf = leaf.to_str().ok_or("not proper unicode")?;
let seed = leaf.strip_suffix(REPLAY_LOG_SUFFIX).ok_or("not *.bin")?;
seed.parse().or(Err("invalid seed".into()))
}
}
|
