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use crate::mmr::Store;
use reqwest::Client;
use rocksdb::DB;
use std::{path::PathBuf, sync::Arc, thread, time};
const DEFAULT_RELATIVE_MMR_DB: &str = ".darwinia/cache/mmr";
#[derive(Clone)]
pub struct ShadowShared {
pub store: Store,
pub client: Client,
pub db: Arc<DB>,
}
impl ShadowShared {
pub fn new(p: Option<PathBuf>) -> ShadowShared {
let path = p
.clone()
.unwrap_or_else(|| dirs::home_dir().unwrap().join(DEFAULT_RELATIVE_MMR_DB));
let op_dir = path.parent();
if op_dir.is_none() {
panic!("Wrong db path: {:?}", &path);
}
let dir = op_dir.unwrap();
if !dir.exists() {
let res = std::fs::create_dir_all(dir);
if res.is_err() {
panic!("Create dir failed: {:?}", res);
}
}
match DB::open_default(path.to_owned()) {
Err(e) => {
let msg = e.into_string();
if msg.contains("lock") {
thread::sleep(time::Duration::from_secs(1));
Self::new(p)
} else {
panic!("Could not open dir {:?}, {:?}", &path, msg);
}
}
Ok(rocks) => {
let db = Arc::new(rocks);
ShadowShared {
db: db.clone(),
store: Store::with(db),
client: Client::new(),
}
}
}
}
}