mithril_common/era/adapters/
bootstrap.rs

1use async_trait::async_trait;
2
3use crate::entities::Epoch;
4use crate::era::{EraMarker, EraReaderAdapter, SupportedEra};
5use crate::StdResult;
6
7/// The goal of the bootstrap adapter is to advertise for the first existing Era
8/// while it does not exist yet on any backend. This adapter is intended to be
9/// removed once Eras are effectively written in a backend.
10pub struct BootstrapAdapter;
11
12#[async_trait]
13impl EraReaderAdapter for BootstrapAdapter {
14    async fn read(&self) -> StdResult<Vec<EraMarker>> {
15        Ok(vec![EraMarker::new(
16            &SupportedEra::eras().first().unwrap().to_string(),
17            Some(Epoch(0)),
18        )])
19    }
20}
21
22#[cfg(test)]
23mod tests {
24    use crate::era::SupportedEra;
25
26    use super::*;
27
28    #[tokio::test]
29    async fn bootstrap_adapter() {
30        let adapter = BootstrapAdapter;
31
32        assert_eq!(
33            vec![EraMarker::new(
34                &SupportedEra::dummy().to_string(),
35                Some(Epoch(0))
36            )],
37            adapter
38                .read()
39                .await
40                .expect("bootstrap adapter shall never fail")
41        );
42    }
43}
mithril_common/era/adapters/bootstrap.rs

mithril_common/era/adapters/
bootstrap.rs
