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possibility-of-existing-relay-implementation-plus-something.html
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possibility-of-existing-relay-implementation-plus-something.html
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<!DOCTYPE html><html lang="ja-JP"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1.0"><meta name="apple-mobile-web-app-capable" content="yes"><meta http-equiv="X-UA-Compatible" content="ie=edge"><meta property="og:type" content="website"><meta name="twitter:card" content="summary"><style>@media screen{body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button{-webkit-tap-highlight-color:transparent;-webkit-appearance:none;appearance:none;background-color:transparent;border:0;color:inherit;cursor:pointer;font-size:inherit;opacity:.8;outline:none;padding:0;transition:opacity .2s linear}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:disabled,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:disabled{cursor:not-allowed;opacity:.15!important}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover{opacity:1}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:active,body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:active{opacity:.6}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=next] .bespoke-marp-parent>.bespoke-marp-osc>button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-info-container button:hover:not(:disabled),body[data-bespoke-view=presenter] .bespoke-marp-presenter-container .bespoke-marp-presenter-note-container button:hover:not(:disabled){transition:none}body[data-bespoke-view=""] .bespoke-marp-parent>.bespoke-marp-osc>button[data-bespoke-marp-osc=prev],body[data-bespoke-view=next] 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/*!
* Marp default theme.
*
* @theme default
* @author Yuki Hattori
*
* @auto-scaling true
* @size 16:9 1280px 720px
* @size 4:3 960px 720px
*/div#p>svg>foreignObject>section{--color-prettylights-syntax-comment:#6e7781;--color-prettylights-syntax-constant:#0550ae;--color-prettylights-syntax-entity:#8250df;--color-prettylights-syntax-storage-modifier-import:#24292f;--color-prettylights-syntax-entity-tag:#116329;--color-prettylights-syntax-keyword:#cf222e;--color-prettylights-syntax-string:#0a3069;--color-prettylights-syntax-variable:#953800;--color-prettylights-syntax-brackethighlighter-unmatched:#82071e;--color-prettylights-syntax-invalid-illegal-text:#f6f8fa;--color-prettylights-syntax-invalid-illegal-bg:#82071e;--color-prettylights-syntax-carriage-return-text:#f6f8fa;--color-prettylights-syntax-carriage-return-bg:#cf222e;--color-prettylights-syntax-string-regexp:#116329;--color-prettylights-syntax-markup-list:#3b2300;--color-prettylights-syntax-markup-heading:#0550ae;--color-prettylights-syntax-markup-italic:#24292f;--color-prettylights-syntax-markup-bold:#24292f;--color-prettylights-syntax-markup-deleted-text:#82071e;--color-prettylights-syntax-markup-deleted-bg:#ffebe9;--color-prettylights-syntax-markup-inserted-text:#116329;--color-prettylights-syntax-markup-inserted-bg:#dafbe1;--color-prettylights-syntax-markup-changed-text:#953800;--color-prettylights-syntax-markup-changed-bg:#ffd8b5;--color-prettylights-syntax-markup-ignored-text:#eaeef2;--color-prettylights-syntax-markup-ignored-bg:#0550ae;--color-prettylights-syntax-meta-diff-range:#8250df;--color-prettylights-syntax-brackethighlighter-angle:#57606a;--color-prettylights-syntax-sublimelinter-gutter-mark:#8c959f;--color-prettylights-syntax-constant-other-reference-link:#0a3069;--color-fg-default:#24292f;--color-fg-muted:#57606a;--color-fg-subtle:#6e7781;--color-canvas-default:#fff;--color-canvas-subtle:#f6f8fa;--color-border-default:#d0d7de;--color-border-muted:#d8dee4;--color-neutral-muted:rgba(175,184,193,.2);--color-accent-fg:#0969da;--color-accent-emphasis:#0969da;--color-attention-subtle:#fff8c5;--color-danger-fg:#cf222e;color-scheme:light}div#p>svg>foreignObject>section:where(.invert){--color-prettylights-syntax-comment:#8b949e;--color-prettylights-syntax-constant:#79c0ff;--color-prettylights-syntax-entity:#d2a8ff;--color-prettylights-syntax-storage-modifier-import:#c9d1d9;--color-prettylights-syntax-entity-tag:#7ee787;--color-prettylights-syntax-keyword:#ff7b72;--color-prettylights-syntax-string:#a5d6ff;--color-prettylights-syntax-variable:#ffa657;--color-prettylights-syntax-brackethighlighter-unmatched:#f85149;--color-prettylights-syntax-invalid-illegal-text:#f0f6fc;--color-prettylights-syntax-invalid-illegal-bg:#8e1519;--color-prettylights-syntax-carriage-return-text:#f0f6fc;--color-prettylights-syntax-carriage-return-bg:#b62324;--color-prettylights-syntax-string-regexp:#7ee787;--color-prettylights-syntax-markup-list:#f2cc60;--color-prettylights-syntax-markup-heading:#1f6feb;--color-prettylights-syntax-markup-italic:#c9d1d9;--color-prettylights-syntax-markup-bold:#c9d1d9;--color-prettylights-syntax-markup-deleted-text:#ffdcd7;--color-prettylights-syntax-markup-deleted-bg:#67060c;--color-prettylights-syntax-markup-inserted-text:#aff5b4;--color-prettylights-syntax-markup-inserted-bg:#033a16;--color-prettylights-syntax-markup-changed-text:#ffdfb6;--color-prettylights-syntax-markup-changed-bg:#5a1e02;--color-prettylights-syntax-markup-ignored-text:#c9d1d9;--color-prettylights-syntax-markup-ignored-bg:#1158c7;--color-prettylights-syntax-meta-diff-range:#d2a8ff;--color-prettylights-syntax-brackethighlighter-angle:#8b949e;--color-prettylights-syntax-sublimelinter-gutter-mark:#484f58;--color-prettylights-syntax-constant-other-reference-link:#a5d6ff;--color-fg-default:#c9d1d9;--color-fg-muted:#8b949e;--color-fg-subtle:#6e7681;--color-canvas-default:#0d1117;--color-canvas-subtle:#161b22;--color-border-default:#30363d;--color-border-muted:#21262d;--color-neutral-muted:hsla(215,8%,47%,.4);--color-accent-fg:#58a6ff;--color-accent-emphasis:#1f6feb;--color-attention-subtle:rgba(187,128,9,.15);--color-danger-fg:#f85149;color-scheme:dark}div#p>svg>foreignObject>section{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;word-wrap:break-word;background-color:var(--color-canvas-default);color:var(--color-fg-default);font-family:-apple-system,BlinkMacSystemFont,Segoe 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data-bespoke-marp-osc="next" tabindex="-1" title="Next slide">Next slide</button><button data-bespoke-marp-osc="fullscreen" tabindex="-1" title="Toggle fullscreen (f)">Toggle fullscreen</button><button data-bespoke-marp-osc="presenter" tabindex="-1" title="Open presenter view (p)">Open presenter view</button></div><div id="p"><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="1" data-paginate="true" data-footer="2023/4/12「Nostr勉強会 #2」 <https://428lab.connpass.com/event/276333/>" data-marpit-pagination="1" data-marpit-pagination-total="8" style="--paginate:true;--footer:2023/4/12「Nostr勉強会 #2」 <https://428lab.connpass.com/event/276333/>;">
<h1>「既存のリレー実装 + なにか」の可能性</h1>
<p><img src="https://heguro.com/public/nostr/heguro-icon-20230206.jpg" alt="" style="width:60px;" /><br />
あすらも / heguro</p>
<ul>
<li><code>npub1jw4e8qh6vmyq0n2tkupv7wlfu5h59luk98dcfedf03anh5ek5jkq936u57</code></li>
<li><a href="https://snort.social/p/[email protected]">https://snort.social/p/[email protected]</a></li>
<li>つくったもの: NostrFlu, ？？（予定）</li>
</ul>
<footer>2023/4/12「Nostr勉強会 #2」 <a href="https://428lab.connpass.com/event/276333/">https://428lab.connpass.com/event/276333/</a></footer>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="2" data-paginate="true" data-marpit-pagination="2" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>Nostr リレーの汎用性と可能性</h2>
<ul>
<li>Nostrのリレーはシンプルで、普通に立てると独自性がほとんどない</li>
<li>ActivityPubなどに比べて、リレーを立てるうまみが小さい？
<ul>
<li>→ 小さなプログラムと組み合わせて可能性を広げてみない？</li>
</ul>
</li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="3" data-paginate="true" data-marpit-pagination="3" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>Nostr リレーの汎用性と可能性</h2>
<ul>
<li>リレー実装はミニマム
<ul>
<li>WebUIなどが存在しない</li>
<li>プログラムフレンドリー</li>
</ul>
</li>
<li>無責任分散の仕様のおかげもあり雑にリレー立てて雑に落とせる</li>
<li>既存のリレー実装と組み合わせる小さなプログラムを書くことで、<em>無限の可能性</em>が生まれるかも</li>
</ul>
<p>たとえば・・・</p>
<ul>
<li>aggregator relay</li>
<li>Nostrの仕様にない手段での認証</li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="4" data-paginate="true" data-marpit-pagination="4" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>aggregator relay ?</h2>
<ul>
<li>複数のリレーへ代わりに接続してくれるリレー</li>
<li>機能例
<ul>
<li>複数のリレーからの投稿を受信してくれたり</li>
<li>投稿を送信したら複数のリレーに配信してくれたり</li>
<li>スパムなどを弾いてくれる機能があったり</li>
</ul>
</li>
<li>モバイル回線の通信量節約に</li>
</ul>
<p>※ aggregate: 〜を集める、まとめる。 フィルターリレー、集約リレー？</p>
<p>稼働中（どちらも要課金）</p>
<ul>
<li><strong>filter.nostr.wine</strong> - <a href="https://nostr-wine.github.io/filter-relay/">https://nostr-wine.github.io/filter-relay/</a></li>
<li><strong>nostrich.land</strong> - <a href="https://nostrich.land">https://nostrich.land</a></li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="5" data-paginate="true" data-marpit-pagination="5" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>自前の aggregator relay をつくってみよう</h2>
<ul>
<li>nostream（普通のリレー）</li>
<li>自前のプログラム
<ul>
<li>Node.js</li>
<li>nostr-tools</li>
</ul>
</li>
</ul>
<p><s>つくってみた</s> つくっている（多分まだ動作しません）</p>
<ul>
<li><a href="https://github.com/heguro/nostr-aggregator-relay-test">https://github.com/heguro/nostr-aggregator-relay-test</a></li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="6" data-paginate="true" data-marpit-pagination="6" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>つくりかた</h2>
<p>これだけ！</p>
<ul>
<li>既存のリレーに接続し、全投稿を受信
<ul>
<li>filter: <code>{kinds: [1]}</code></li>
</ul>
</li>
<li>受信した投稿を、ローカルに立ち上げたリレーへそのまま送信
<ul>
<li>「日本語の投稿である」のような送信条件を付けてもよい</li>
</ul>
</li>
</ul>
<p>独自仕様として</p>
<ul>
<li>一度でも日本語判定されたアカウント（公開鍵）は、以降全投稿を送信する</li>
</ul>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="7" data-paginate="true" data-marpit-pagination="7" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>利点: データベース構築が不要</h2>
<ul>
<li>ローカルのNostrリレーをそのまま簡易データベースとしても使える！</li>
<li>NIP-33の「（パラメータつき）<strong>上書き可能イベント</strong>」を活用</li>
<li>名前をつけてデータを送信すると過去のイベントを上書きしてくれる
<ul>
<li>データの内容は（テキストであれば）自由</li>
<li>key-value データベースとして使える</li>
</ul>
</li>
</ul>
<p>今回は、「日本語の投稿である」と判定したことがある公開鍵のリスト保存に使用</p>
</section>
</foreignObject></svg><svg data-marpit-svg="" viewBox="0 0 1280 720"><foreignObject width="1280" height="720"><section id="8" data-paginate="true" data-marpit-pagination="8" data-marpit-pagination-total="8" style="--paginate:true;">
<h2>「既存リレー実装 + なにか」 の可能性</h2>
<p>ほかの可能性（検討中）</p>
<ul>
<li>リレーの手前にシンプルなプロキシをつくってみる
<ul>
<li>フィルターにより別のリレーに送信するとか</li>
</ul>
</li>
</ul>
<p>など・・・</p>
</section>
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