## EPF5 Dev Updates - Week 19 [◀️ *previous update*](https://hackmd.io/@hangleang/epf5-week18) ### Goals For This Week - [x] debug on the logs from the running network to identify the issues - [ ] fix the [issues](https://github.com/hangleang/grandine/issues) accordingly based on priority - [x] [request DCS by range/root to random peer](https://github.com/hangleang/grandine/issues/5) - [ ] [request DCS by range even no blobs](https://github.com/hangleang/grandine/issues/4) - [x] [request BB/DCS by range to peer with less head slot](https://github.com/hangleang/grandine/issues/8) ### Activities - tried sync from the genesis with 1 supernode and 1 fullnode, debug the [logs](https://drive.google.com/drive/folders/1oWzkQahZ2H6JgDShSo_2_j_QHXq8vJrP?usp=drive_link) and found some issues related to req/res, which I have a written investigation [here](https://hackmd.io/@hangleang/rJjHIQcJke) - fixed an issue reported by nimbus team related to randomized request data column sidecars from peers, which should be addressed by this [pull request](https://github.com/hangleang/grandine/pull/7) - discuss with other clients team on those issues, and ask about their suggestions on how to mitigate those ### Plan For Next Week - cont. fixing remaining issues related to req/res --- [▶️ *next update*](https://hackmd.io/@hangleang/epf5-week20)