Nostr版togetterのNosliとNIP-33 / About Nosli and NIP-33

Nostrを利用して動くtogetterライクなサービス「nosli」を開発しました。
サービスの概要と、その際に利用することになったNIP-33という仕様、またそれらを取り巻く関連NIP (NIP-02、NIP-16、NIP-23、NIP-58) について説明しています。

Transcript

1. Nostr൛togetterͷNosliͱ NIP-33 ח૔ / @akiomik #nostrstudy #1
2. ࣗݾ঺հ • ח૔ / @akiomik • NostrͰ͸Nostrends (nostr൛;͊΅ͬͨʔతͳ΋ͷ) Λ࡞ͬͨ • ࠷ۙ͸Bluesky༻ͷAndroidΞϓϦʮ੨Ӣʯͷ։ൃ • དྷि΋ATP/Blueskyษڧձʹొஃ༧ఆ😢 • https://iris.to/akiomik.github.io
3. ͓඼ॻ͖ • Nosli֓ཁ • NIP-02 • NIP-16 • NIP-33 • NIP-23 • NIP-58
4. NIP-33Λ֮͑ͯ΋Β͍͍ͨ
5. Nosli
6. Nosli • Nostrͷ౤ߘ (kind1) Λ·ͱΊΔWebαʔϏε • Nostr൛ͷtogetterతͳ΋ͷ • https://nosli.vercel.app/ • ໊લͷ༝དྷ͸ௗͷϊεϦͱNostr + list͔Β
7. NosliͷεΫϦʔϯγϣοτ
8. NosliͷγεςϜશ๴
9. ϦϨʔΛKVSͱͯ͠࢖͍ͬͯΔ
10. ϦϨʔΛKVSͱͯ͠࢖͍ͬͯΔ 㱺 ͜Ε͕NIP-33
11. NostrͷΠϕϯτ͸ มߋɾमਖ਼͕Ͱ͖ͳ͍
12. NostrͷΠϕϯτ͸վ᜵Ͱ͖ͳ͍ • Πϕϯτ͝ͱʹൿີ伴Ͱॺ໊͞Ε͍ͯΔ • ౤ߘ΍ϦΞΫγϣϯ͸मਖ਼΍มߋ͸Ͱ͖ͳ͍ (ຊਓͰ͋ͬͯ΋)
13. SNSʹ͸มߋ͍ͨ͠σʔλ͕ͨ͘͞Μ • ϑΥϩʔϦετ • ϓϩϑΟʔϧ • (Nostrͷ৔߹) ϦϨʔ
14. NIP-02 Contact List and Petnames
15. NIP-02 Contact List and Petnames { "kind": 3, "tags": [ [ "p", "91cf9..4e5ca", "wss://alicerelay.com/", "alice" ], [ "p", "14aeb..8dad4", "wss://bobrelay.com/nostr", "bob" ], ], ...other fields } • ࣗ෼͕୭ΛϑΥϩʔ͠ ͍ͯΔ͔ͷϦετ • ϑΥϩʔ͍ͯ͠Δਓͷ npub͕ྻڍ͞Ε͍ͯΔ
16. NIP-02 Contact List and Petnames • Kind3͸͋ͱউͪํࣜ • ϦϨʔ΍ΫϥΠΞϯτ͸৽͍͠Kind3Λड͚औͬͨΒɺखݩʹ͋Δݹ ͍Kind3Λফ͢͜ͱ͕๬·Ε͍ͯΔ (SHOULD)
17. NIP-16 (Replaceable Events)
18. NIP-16 (Replaceable Events) • NIP-16͸֤छΠϕϯτΛఆ͍ٛͯ͠Δ • Replaceable Events͸NIP-02ͷKind3Λ൚༻తʹͨ͠΋ͷ • Kind 10000 <= n < 20000 • ͢Ͱʹࣗ෼͕ૹͬͨKind͕ଘࡏ͢Δ৔߹͸্ॻ͖͢Δ (SHOULD) • ར༻ྫ: NIP-65 Relay List Metadata (Kind 10002) • 㱺 ͜ΕͰϢʔβ × KindͰσʔλΛอ࣋Ͱ͖ΔΑ͏ʹͳͬͨ
19. NIP-33 Parameterized Replaceable Events
20. NIP-33 Parameterized Replaceable Events • Kind 30000 <= n < 40000 • NIP-16ͷ֓೦ʹdλάͱ͍͏Ωʔ͕ՃΘͬͨ΋ͷ • ݹ͍σʔλ͸৽͍͠σʔλͰஔ׵͞ΕΔ͜ͱΛظ଴ (SHOULD) • ެ։伴 × Kind × dλάͰҰҙʹͳΔσʔλ • 㱺 ϢʔβID × ςʔϒϧ × ओΩʔ ͱΈͳͤ͹KVSͱͯ͠࢖͑Δ
21. NIP-23 Long-form Content { "kind": 30023, "created_at": 1675642635, "content": "Lorem ipsum #[3] #[4]", "tags": [ ["d", "lorem-ipsum"], ["title", "Lorem Ipsum"], ["published_at", "1296962229"], ["t", "placeholder"], ["e", "b3e3...4f87", "wss://relay.example.com"], [ "a", "30023:a695...a919:ipsum", "wss://relay.nostr.org" ] ], "pubkey": "...", "id": "..." } • Kind 30023 • NIP-33Λ࢖ͬͯఆٛ͞ Ε͍ͯΔ • ؆୯ʹ͍͑͹ϒϩά
22. NosliͷεΫϦʔϯγϣοτ
23. Nosliͷ σʔλ { "kind": 30023, "content": "#[4] #[5] #[6]...", "tags": [ ["d", "welcome-to-bluesky"], ["title", "NostrຽɺBluesky΁ཱཱྀͭ"], ["t", "nosli"], ["e", "b3e3...4f87"], ["e", "a3b3...a6d6"], ["e", "030a...36ba"], ], "pubkey": "...", "id": "..." } • Kind 30023ͦͷ·· • ଞͷαʔϏεͷσʔλΛ ಡΈࠐ·ͳ͍ͨΊʹ nosli λά͕෇༩͞Ε͍ͯΔ
24. Nosliͷ࢓૊Έ • NIP-23 (Kind 30023) ͷ1σʔλΛ1ͭͷʮ·ͱΊʯͱͯ͠ѻ͍ͬͯΔ • ʮ·ͱΊʯͷຊจʹ౤ߘ (Kind1) ͷIDΛྻڍ͍ͯ͠Δ • ୯ͳΔKind 30023ͳͷͰɺରԠ͍ͯ͠ΔΫϥΠΞϯτͳΒӾཡͱฤू ΋Մೳ
25. ͜ͷ਺೔࿩୊ʹͳ͍ͬͯΔ (ͨ) όοδ📛
26. NIP-58 Badges { "pubkey": "alice", "kind": 30009, "tags": [ ["d", "bravery"], ["name", "Medal of Bravery"], [ "image", "https://nostr.io/bravery.png", "1024x1024" ], ], ... } { "kind": 30008, "pubkey": "bob", "tags": [ ["d", "profile_badges"], ["a", "30009:alice:bravery"], [ "e", "<bravery badge award event id>", "wss://nostr.academy" ], ["a", "30009:alice:honor"], ], ... } • Kind 30009/8/30008 • ͦΕͧΕόοδఆٛɺ όοδ෇༩ɺϢʔβ όοδΛද͍ͯ͠Δ
27. ࠷ޙʹ • NIP-33ʹΑͬͯnostr্ʹ৭ʑͳΞϓϦΛ࡞ΕΔΑ͏ʹͳΔ • ී௨ͷDBͳͲͱ͸झ͕ҟͳΔ͚Ͳٯʹ໘ന͍΋ͷ͕Ͱ͖Δ͔΋ • σʔλͷӬଓੑ͸୭΋อূͯ͘͠Εͳ͍ (౰ͨΓલ) • ݹ͍ϦϨʔͷσʔλΛҾ͖౰ͯͯ͠·͏ͱյΕΔՄೳੑ΋͋Δ • ͋·ΓϦϨʔʹෛՙΛ͔͚ͳ͍Α͏ʹ࢖͓͏🙏
28. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠