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
   

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2. ࣗݾ঺հ
   • ח૔ / @akiomik
   
   
   • NostrͰ͸Nostrends (nostr൛;͊΅ͬͨʔతͳ΋ͷ) Λ࡞ͬͨ
   
   
   • ࠷ۙ͸Bluesky༻ͷAndroidΞϓϦʮ੨Ӣʯͷ։ൃ
   
   
   • དྷि΋ATP/Blueskyษڧձʹొஃ༧ఆ😢
   
   
   • https://iris.to/akiomik.github.io
   

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3. ͓඼ॻ͖
   • Nosli֓ཁ
   
   
   • NIP-02
   
   
   • NIP-16
   
   
   • NIP-33
   
   
   • NIP-23
   
   
   • NIP-58
   

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4. NIP-33Λ֮͑ͯ΋Β͍͍ͨ
   

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5. Nosli
   

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6. Nosli
   • Nostrͷ౤ߘ (kind1) Λ·ͱΊΔWebαʔϏε
   
   
   • Nostr൛ͷtogetterతͳ΋ͷ
   
   
   • https://nosli.vercel.app/
   
   
   • ໊લͷ༝དྷ͸ௗͷϊεϦͱNostr + list͔Β
   

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7. NosliͷεΫϦʔϯγϣοτ
   

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8. NosliͷγεςϜશ๴
   

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9. ϦϨʔΛKVSͱͯ͠࢖͍ͬͯΔ
   

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10. ϦϨʔΛKVSͱͯ͠࢖͍ͬͯΔ
    㱺 ͜Ε͕NIP-33
    

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11. NostrͷΠϕϯτ͸
    
    
    มߋɾमਖ਼͕Ͱ͖ͳ͍
    

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12. NostrͷΠϕϯτ͸վ᜵Ͱ͖ͳ͍
    • Πϕϯτ͝ͱʹൿີ伴Ͱॺ໊͞Ε͍ͯΔ
    
    
    • ౤ߘ΍ϦΞΫγϣϯ͸मਖ਼΍มߋ͸Ͱ͖ͳ͍ (ຊਓͰ͋ͬͯ΋)
    

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13. SNSʹ͸มߋ͍ͨ͠σʔλ͕ͨ͘͞Μ
    • ϑΥϩʔϦετ
    
    
    • ϓϩϑΟʔϧ
    
    
    • (Nostrͷ৔߹) ϦϨʔ
    

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14. NIP-02
    
    
    Contact List and Petnames
    

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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
    

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16. NIP-02 Contact List and Petnames
    • Kind3͸͋ͱউͪํࣜ
    
    
    • ϦϨʔ΍ΫϥΠΞϯτ͸৽͍͠Kind3Λड͚औͬͨΒɺखݩʹ͋Δݹ
    ͍Kind3Λফ͢͜ͱ͕๬·Ε͍ͯΔ (SHOULD)
    

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17. NIP-16
    
    
    (Replaceable Events)
    

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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
    

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19. NIP-33
    
    
    Parameterized Replaceable Events
    

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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
    

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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
    

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22. NosliͷεΫϦʔϯγϣοτ
    

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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
    

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24. Nosliͷ࢓૊Έ
    • NIP-23 (Kind 30023) ͷ1σʔλΛ1ͭͷʮ·ͱΊʯͱͯ͠ѻ͍ͬͯΔ
    
    
    • ʮ·ͱΊʯͷຊจʹ౤ߘ (Kind1) ͷIDΛྻڍ͍ͯ͠Δ
    
    
    • ୯ͳΔKind 30023ͳͷͰɺରԠ͍ͯ͠ΔΫϥΠΞϯτͳΒӾཡͱฤू
    ΋Մೳ
    

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25. ͜ͷ਺೔࿩୊ʹͳ͍ͬͯΔ (ͨ) όοδ📛
    

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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",
    "",
    "wss://nostr.academy"
    ],
    ["a", "30009:alice:honor"],
    ],
    ...
    }
    • Kind 30009/8/30008
    
    
    • ͦΕͧΕόοδఆٛɺ
    όοδ෇༩ɺϢʔβ
    όοδΛද͍ͯ͠Δ
    

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27. ࠷ޙʹ
    • NIP-33ʹΑͬͯnostr্ʹ৭ʑͳΞϓϦΛ࡞ΕΔΑ͏ʹͳΔ
    
    
    • ී௨ͷDBͳͲͱ͸झ͕ҟͳΔ͚Ͳٯʹ໘ന͍΋ͷ͕Ͱ͖Δ͔΋
    
    
    • σʔλͷӬଓੑ͸୭΋อূͯ͘͠Εͳ͍ (౰ͨΓલ)
    
    
    • ݹ͍ϦϨʔͷσʔλΛҾ͖౰ͯͯ͠·͏ͱյΕΔՄೳੑ΋͋Δ
    
    
    • ͋·ΓϦϨʔʹෛՙΛ͔͚ͳ͍Α͏ʹ࢖͓͏🙏
    

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28. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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