<html><head><title>2023-09-29 Codex weekly</title><metacharSet="utf-8"/><metaname="viewport"content="width=device-width, initial-scale=1.0"/><metaproperty="og:title"content="2023-09-29 Codex weekly"/><metaproperty="og:description"content="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."/><metaproperty="og:image"content="https://roadmap.logos.co/static/og-image.png"/><metaproperty="og:width"content="1200"/><metaproperty="og:height"content="675"/><linkrel="icon"href="../../static/icon.png"/><metaname="description"content="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."/><metaname="generator"content="Quartz"/><linkrel="preconnect"href="https://fonts.googleapis.com"/><linkrel="preconnect"href="https://fonts.gstatic.com"/><linkhref="../../index.css"rel="stylesheet"type="text/css"spa-preserve/><linkhref="https://cdn.jsdelivr.net/npm/katex@0.16.0/dist/katex.min.css"rel="stylesheet"type="text/css"spa-preserve/><linkhref="https://fonts.googleapis.com/css2?family=IBM Plex Mono&family=sans-serif:wght@400;700&family=sans-serif:ital,wght@0,400;0,600;1,400;1,600&display=swap"rel="stylesheet"type="text/css"spa-preserve/><scriptsrc="../../prescript.js"type="application/javascript"spa-preserve></script><scripttype="application/javascript"spa-preserve>constfetchData=fetch(`../../static/contentIndex.json`).then(data=>data.json())</script></head><bodydata-slug="codex/updates/2023-09-29"><divid="quartz-root"class="page"><divid="quartz-body"><divclass="left sidebar"><h1class="page-title "><ahref="../..">Logos Collective Project Roadmaps</a></h1><divclass="spacer mobile-only"></div><divclass="search "><divid="search-icon"><p>Search</p><div></div><svgtabIndex="0"aria-labelledby="title desc"role="img"xmlns="http://www.w3.org/2000/svg"viewBox="0 0 19.9 19.7"><titleid="title">Search</title><descid="desc">Search</desc><gclass="search-path"fill="none"><pathstroke-linecap="square"d="M18.5 18.3l-5.4-5.4"></path><circlecx="8"cy="8"r="7"></circle></g></svg></div><divid="search-container"><divid="search-space"><inputautocomplete="off"id="search-bar"name="search"type="text"aria-label="Search for something"placeholder="Search for something"/><divid="results-container"></div></div></div></div><divclass="darkmode "><inputclass="toggle"id="darkmode-toggle"type="checkbox"tabIndex="-1"/><labelid="toggle-label-light"for="darkmode-toggle"tabIndex="-1"><svgxmlns="http://www.w3.org/2000/svg"xmlnsXlink="http://www.w3.org/1999/xlink"version="1.1"id="dayIcon"x="0px"y="0px"viewBox="0 0 35 35"style="enable-background:new 0 0 35 35;"xmlSpace="preserve"><title>Light mode</title><pathd="M6,17.5C6,16.672,5.328,16,4.5,16h-3C0.672,16,0,16.672,0,17.5S0.672,19,1.5,19h3C5.328,19,6,18.328,6,17.5zM7.5,26c-0.414,0-0.789,0.168-1.061,0.439l-2,2C4.168,28.711,4,29.086,4,29.5C4,30.328,4.671,31,5.5,31c0.414,0,0.789-0.168,1.06-0.44l2-2C8.832,28.289,9,27.914,9,27.5C9,26.672,8.329,26,7.5,26zM17.5,6C18.329,6,19,5.328,19,4.5v-3C19,0.672,18.329,0,17.5,0S16,0.672,16,1.5v3C16,5.328,16.671,6,17.5,6zM27.5,9c0.414,0,0.789-0.168,1.06-0.439l2-2C30.832,6.289,31,5.914,31,5.5C31,4.672,30.329,4,29.5,4c-0.414,0-0.789,0.168-1.061,0.44l-2,2C26.168,6.711,26,7.086,26,7.5C26,8.328,26.671,9,27.5,9zM6.439,8.561C6.711,8.832,7.086,9,7.5,9C8.328,9,9,8.328,9,7.5c0-0.414-0.168-0.789-0.439-1.061l-2-2C6.289,4.168,5.914,4,5.5,4C4.672,4,4,4.672,4,5.5c0,0.414,0.168,0.789,0.439,1.06L6.439,8.561zM
<h3id="milestone-async-disc-access--threading-support">Milestone: Async Disc Access & Threading support<aaria-hidden="true"tabindex="-1"href="#milestone-async-disc-access--threading-support"class="internal"> §</a></h3>
<ul>
<li>Work on IO threads support
<ul>
<li>All related PRs are here <ahref="https://github.com/codex-storage/nim-datastore/pulls"class="external">https://github.com/codex-storage/nim-datastore/pulls</a>
<ul>
<li>We now have a clear idea of how to implement and integrate it - <ahref="https://github.com/codex-storage/nim-codex/pull/552"class="external">https://github.com/codex-storage/nim-codex/pull/552</a></li>
</ul>
</li>
<li>found a leak in Nim’s <code>SharedPtr</code><ahref="https://github.com/nim-lang/threading/issues/45"class="external">https://github.com/nim-lang/threading/issues/45</a> and fix <ahref="https://github.com/nim-lang/threading/pull/46"class="external">https://github.com/nim-lang/threading/pull/46</a></li>
</ul>
</li>
</ul>
<h3id="milestone-client-stability-and-debugging">Milestone: Client stability and debugging<aaria-hidden="true"tabindex="-1"href="#milestone-client-stability-and-debugging"class="internal"> §</a></h3>
<ul>
<li>Major effort to stabilize the Codex client through continuous automated testing
<ul>
<li>Most team members are working on this on and off, testing is ongoing</li>
<li>Installed cert-manager in Dist-Tests cluster</li>
<li>Implemented External OAUTH Authentication for Grafana/Kibana (need to adjust internal authentication)</li>
<li>Exposed <ahref="https://grafana.dist-tests.codex.storage/"class="external">Grafana</a> and <ahref="https://kibana.dist-tests.codex.storage/"class="external">Kibana</a></li>
<li><ahref="https://github.com/codex-storage/infra-codex/issues/48"class="external">Losing the logs during Continuous Tests run</a></li>
<li>White paper ongoing - <ahref="https://docs.google.com/document/d/1LCy23m90IHf32aUVhRT4r4772w1BfVcSLaJ0z9VTw9A/edit#heading=h.qs3bayckj5u4"class="external">https://docs.google.com/document/d/1LCy23m90IHf32aUVhRT4r4772w1BfVcSLaJ0z9VTw9A/edit#heading=h.qs3bayckj5u4</a></li>
</ul>
<h3id="milestone-sampling-for-storage-proofs">Milestone: Sampling for storage proofs<aaria-hidden="true"tabindex="-1"href="#milestone-sampling-for-storage-proofs"class="internal"> §</a></h3>
<ul>
<li>Large discussion around erasure coding for sampling
<h3id="milestone-das-design">Milestone: DAS Design<aaria-hidden="true"tabindex="-1"href="#milestone-das-design"class="internal"> §</a></h3>
<ul>
<li>Ongoing discussions around - <ahref="https://ethresear.ch/t/peerdas-a-simpler-das-approach-using-battle-tested-p2p-components/16541"class="external">https://ethresear.ch/t/peerdas-a-simpler-das-approach-using-battle-tested-p2p-components/16541</a></li>
<li>space-DAS (don’t have link), a proposal to use spacefilling curves for sample placement</li>
</ul>
<h3id="milestone-measurements-and-simulations">Milestone: Measurements and simulations<aaria-hidden="true"tabindex="-1"href="#milestone-measurements-and-simulations"class="internal"> §</a></h3>
<ul>
<li>Work continues on simulating various aspects of the DHT in <ahref="https://github.com/cortze/py-dht"class="external">https://github.com/cortze/py-dht</a></li>