import {bytes, bytes32} from "./@types/basic";
import PeerId from "peer-id";

/**
 * Storage for static keys of previously connected peers.
 */
class Keycache {
  private storage = new Map<bytes, bytes32>();

  public store(peerId: PeerId, key: bytes32): void {
    this.storage.set(peerId.id, key);
  }

  public load(peerId?: PeerId): bytes32 | null {
    if(!peerId) {
      return null;
    }
    return this.storage.get(peerId.id) || null;
  }

  public resetStorage(): void {
    this.storage.clear();
  }

}

const KeyCache = new Keycache();
export {
  KeyCache,
}