Method has

services/storage/lib/object-storage.js:87–95

(algo, digest)

    }

    async has(algo, digest) {
      digest = encodeURIComponent(digest);
      try {
        await fs.access(`${this.dir}/${algo}/${digest}`);
        return true;
      } catch {
        return false;
      }
    }

    async add(algo, digest, data) {
      digest = encodeURIComponent(digest);