---
title: 2023-09-29 Codex weekly
tags:
  - codex-updates
date: 2023-09-29
lastmod: 2023-09-30
draft: false
---
## Client

### Milestone: Block Merkelization
- Merkelization current working branch 
  - https://github.com/codex-storage/nim-codex/tree/sending-blocks-with-proofs-over-the-network

### Milestone: Block Exchange protocol refinements and simulations
- Not much done on it this past couple of weeks, progress can be tracked here when it resumes
  - https://github.com/codex-storage/swarmsim

### Milestone: Async Disc Access & Threading support
- Work on IO threads support
  - All related PRs are here https://github.com/codex-storage/nim-datastore/pulls
    - We now have a clear idea of how to implement and integrate it - https://github.com/codex-storage/nim-codex/pull/552
  - found a leak in Nim's `SharedPtr` https://github.com/nim-lang/threading/issues/45 and fix  https://github.com/nim-lang/threading/pull/46

### Milestone: Client stability and debugging
- Major effort to stabilize the Codex client through continuous automated testing
  - Most team members are working on this on and off, testing is ongoing

## Infra
 - Installed cert-manager in Dist-Tests cluster
 - Implemented External OAUTH Authentication for Grafana/Kibana (need to adjust internal authentication)
 - Exposed [Grafana](https://grafana.dist-tests.codex.storage/) and [Kibana](https://kibana.dist-tests.codex.storage/)
 - [Losing the logs during Continuous Tests run](https://github.com/codex-storage/infra-codex/issues/48)

## Research

### Milestone: Publications
- White paper ongoing - https://docs.google.com/document/d/1LCy23m90IHf32aUVhRT4r4772w1BfVcSLaJ0z9VTw9A/edit#heading=h.qs3bayckj5u4

### Milestone: Sampling for storage proofs
- Large discussion around erasure coding for sampling
  - https://github.com/codex-storage/zk-research-artifacts/blob/master/sampling/sampling.pdf
  - https://hackmd.io/DxJzAuTZROulBhPWqScmCg?view
  - https://github.com/codex-storage/codex-research/pull/184
  - https://hackmd.io/kxSF8wjPS3arDFcqFJrNDw

## DAS
### Milestone: DAS Design
- Ongoing discussions around - https://ethresear.ch/t/peerdas-a-simpler-das-approach-using-battle-tested-p2p-components/16541
- space-DAS (don't have link), a proposal to use spacefilling curves for sample placement

### Milestone: Measurements and simulations
- Work continues on simulating various aspects of the DHT in https://github.com/cortze/py-dht