message: use Path as input parameter instead of &str
diff: @@ -4,6 +4,7 @@ use chain_storage::{
  store::{BackLink, BlockInfo, BlockStore},
  };
  use rusqlite::types::Value;
  +use std::path::Path;
  pub struct SQLiteBlockStore<B>
  where
  @@ -17,7 +18,7 @@ impl<B> SQLiteBlockStore<B>
  where
  B: Block,
  {
  - pub fn new(path: &str) -> Self {
  + pub fn new<P: AsRef<Path>>(path: P) -> Self {
  let manager = r2d2_sqlite::SqliteConnectionManager::file(path);
  let pool = r2d2::Pool::new(manager).unwrap();
  