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feat(relay): implement NIP-ER event reminder support (kind:30300) (#934)

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Signed-off-by: npub1mn7jgtj4w2pd0g0zeuhxsa6jy6p0rewxz4kujt98my82ahfmp72sxjexk7 <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@sprout-oss.stage.blox.sqprod.co>
Signed-off-by: Will Pfleger <wpfleger@squareup.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: npub1mn7jgtj4w2pd0g0zeuhxsa6jy6p0rewxz4kujt98my82ahfmp72sxjexk7 <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@sprout-oss.stage.blox.sqprod.co>
This commit is contained in:
Will Pfleger
2026-06-17 10:24:02 -04:00
committed by GitHub
parent 538f33341f
commit 79fcfd82bc
9 changed files with 1602 additions and 30 deletions
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21
crates/buzz-core/src/kind.rs
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@@ -91,6 +91,25 @@ pub const KIND_AGENT_PROFILE: u32 = 10100;
/// `docs/nips/NIP-AE.md` and [`crate::engram`].
pub const KIND_AGENT_ENGRAM: u32 = 30174;
/// NIP-ER: Event Reminder (parameterized replaceable, author-only).
///
/// Encrypted, author-only reminder addressed by `(pubkey, kind, d_tag)`. The
/// public `not_before` tag tells supporting relays when the reminder is due;
/// the target, note, and state are NIP-44 encrypted to the author. Reads are
/// author-only (see [`AUTHOR_ONLY_KINDS`]). See `docs/nips/NIP-ER.md`.
pub const KIND_EVENT_REMINDER: u32 = 30300;
/// Kinds whose stored events are readable only by their author.
///
/// The relay must never reveal the existence, count, tags, content, schedule,
/// or search matches of these events to anyone but the authenticated author.
/// Shared across the ingest write path (NIP-ER `not_before` validation) and the
/// read path (REQ/COUNT/subscription author-only filtering).
///
/// Currently O(1) with a single entry. If this grows past ~4 kinds, convert to
/// a compile-time bitset or sorted array with binary search for hot-path use.
pub const AUTHOR_ONLY_KINDS: &[u32] = &[KIND_EVENT_REMINDER];
// NIP-29 group admin events
/// NIP-29: Add a user to a group.
pub const KIND_NIP29_PUT_USER: u32 = 9000;
@@ -371,6 +390,7 @@ pub const ALL_KINDS: &[u32] = &[
KIND_FILE_METADATA,
KIND_AGENT_PROFILE,
KIND_AGENT_ENGRAM,
KIND_EVENT_REMINDER,
KIND_NIP29_PUT_USER,
KIND_NIP29_REMOVE_USER,
KIND_NIP29_EDIT_METADATA,
@@ -554,6 +574,7 @@ pub fn event_kind_i32(event: &nostr::Event) -> i32 {
// Compile-time: new kinds are in the expected ranges.
const _: () = assert!(is_replaceable(KIND_AGENT_PROFILE)); // 10100 ∈ 10000–19999
const _: () = assert!(is_parameterized_replaceable(KIND_WORKFLOW_DEF)); // 30620 ∈ 30000–39999
const _: () = assert!(is_parameterized_replaceable(KIND_EVENT_REMINDER)); // 30300 ∈ 30000–39999
const _: () = assert!(is_parameterized_replaceable(KIND_MESH_LLM_RELAY_STATUS)); // 30621 ∈ 30000–39999
const _: () = assert!(is_parameterized_replaceable(KIND_DM_VISIBILITY)); // 30622 ∈ 30000–39999