commit 499ad71168a923dc36cedb03e3789c2b8aea0631
parent 3f8a6cf6b1380cc3bd96b576604f54d42586687f
Author: triesap <triesap@radroots.dev>
Date: Mon, 5 Jan 2026 18:13:19 +0000
events: add reaction RPC methods
- Register events.reaction module and merge into root registry
- Implement publish method to encode and send KIND_REACTION events
- Add list method with author/time filtering and created_at sorting
- Add get method to fetch latest reaction by event id
Diffstat:
7 files changed, 329 insertions(+), 1 deletion(-)
diff --git a/src/api/jsonrpc/methods/events/comment/list.rs b/src/api/jsonrpc/methods/events/comment/list.rs
@@ -2,7 +2,7 @@
use anyhow::Result;
use jsonrpsee::server::RpcModule;
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
use std::time::Duration;
use crate::api::jsonrpc::nostr::{event_tags, event_view_with_tags};
diff --git a/src/api/jsonrpc/methods/events/mod.rs b/src/api/jsonrpc/methods/events/mod.rs
@@ -4,6 +4,7 @@ pub mod follow;
pub mod dvm_feedback;
pub mod dvm_request;
pub mod dvm_result;
+pub mod reaction;
pub mod plot;
pub mod resource_area;
pub mod resource_cap;
diff --git a/src/api/jsonrpc/methods/events/reaction/get.rs b/src/api/jsonrpc/methods/events/reaction/get.rs
@@ -0,0 +1,58 @@
+#![forbid(unsafe_code)]
+
+use anyhow::Result;
+use jsonrpsee::server::RpcModule;
+use serde::{Deserialize, Serialize};
+
+use crate::api::jsonrpc::{MethodRegistry, RpcContext, RpcError};
+use radroots_events::kinds::KIND_REACTION;
+use radroots_nostr::prelude::{
+ RadrootsNostrEventId,
+ RadrootsNostrFilter,
+ RadrootsNostrKind,
+};
+
+use super::list::{build_reaction_rows, ReactionRow};
+use crate::api::jsonrpc::methods::events::helpers::{
+ fetch_latest_event,
+ require_non_empty,
+};
+
+#[derive(Debug, Deserialize)]
+struct ReactionGetParams {
+ id: String,
+ #[serde(default)]
+ timeout_secs: Option<u64>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+struct ReactionGetResponse {
+ reaction: Option<ReactionRow>,
+}
+
+pub fn register(m: &mut RpcModule<RpcContext>, registry: &MethodRegistry) -> Result<()> {
+ registry.track("events.reaction.get");
+ m.register_async_method("events.reaction.get", |params, ctx, _| async move {
+ if ctx.state.client.relays().await.is_empty() {
+ return Err(RpcError::NoRelays);
+ }
+
+ let ReactionGetParams { id, timeout_secs } = params
+ .parse()
+ .map_err(|e| RpcError::InvalidParams(e.to_string()))?;
+
+ let id = require_non_empty("id", id)?;
+ let event_id = RadrootsNostrEventId::parse(&id)
+ .map_err(|e| RpcError::InvalidParams(format!("invalid id: {e}")))?;
+
+ let filter = RadrootsNostrFilter::new()
+ .kind(RadrootsNostrKind::Custom(KIND_REACTION as u16))
+ .id(event_id);
+
+ let event = fetch_latest_event(&ctx.state.client, filter, timeout_secs).await?;
+ let reaction = event.and_then(|event| build_reaction_rows(vec![event]).into_iter().next());
+
+ Ok::<ReactionGetResponse, RpcError>(ReactionGetResponse { reaction })
+ })?;
+ Ok(())
+}
diff --git a/src/api/jsonrpc/methods/events/reaction/list.rs b/src/api/jsonrpc/methods/events/reaction/list.rs
@@ -0,0 +1,199 @@
+#![forbid(unsafe_code)]
+
+use anyhow::Result;
+use jsonrpsee::server::RpcModule;
+use serde::Serialize;
+use std::time::Duration;
+
+use crate::api::jsonrpc::nostr::{event_tags, event_view_with_tags};
+use crate::api::jsonrpc::params::{
+ apply_time_bounds,
+ limit_or,
+ parse_pubkeys_opt,
+ timeout_or,
+ EventListParams,
+};
+use crate::api::jsonrpc::{MethodRegistry, RpcContext, RpcError};
+use radroots_events::kinds::KIND_REACTION;
+use radroots_events::reaction::RadrootsReaction;
+use radroots_events_codec::reaction::decode::reaction_from_tags;
+use radroots_nostr::prelude::{
+ RadrootsNostrEvent,
+ RadrootsNostrFilter,
+ RadrootsNostrKind,
+};
+
+#[derive(Clone, Debug, Serialize)]
+pub(crate) struct ReactionRow {
+ id: String,
+ author: String,
+ created_at: u64,
+ kind: u32,
+ tags: Vec<Vec<String>>,
+ content: String,
+ sig: String,
+ reaction: Option<RadrootsReaction>,
+}
+
+#[derive(Clone, Debug, Serialize)]
+struct ReactionListResponse {
+ reactions: Vec<ReactionRow>,
+}
+
+pub(crate) fn build_reaction_rows<I>(events: I) -> Vec<ReactionRow>
+where
+ I: IntoIterator<Item = RadrootsNostrEvent>,
+{
+ let mut items = events
+ .into_iter()
+ .map(|ev| {
+ let tags = event_tags(&ev);
+ let reaction = parse_reaction_event(&ev, &tags);
+ let event = event_view_with_tags(&ev, tags);
+ ReactionRow {
+ id: event.id,
+ author: event.author,
+ created_at: event.created_at,
+ kind: event.kind,
+ tags: event.tags,
+ content: event.content,
+ sig: event.sig,
+ reaction,
+ }
+ })
+ .collect::<Vec<_>>();
+ items.sort_by(|a, b| b.created_at.cmp(&a.created_at));
+ items
+}
+
+fn parse_reaction_event(event: &RadrootsNostrEvent, tags: &[Vec<String>]) -> Option<RadrootsReaction> {
+ let kind = event.kind.as_u16() as u32;
+ reaction_from_tags(kind, tags, &event.content).ok()
+}
+
+pub fn register(m: &mut RpcModule<RpcContext>, registry: &MethodRegistry) -> Result<()> {
+ registry.track("events.reaction.list");
+ m.register_async_method("events.reaction.list", |params, ctx, _| async move {
+ if ctx.state.client.relays().await.is_empty() {
+ return Err(RpcError::NoRelays);
+ }
+
+ let EventListParams {
+ authors,
+ limit,
+ since,
+ until,
+ timeout_secs,
+ } = params
+ .parse::<Option<EventListParams>>()
+ .map_err(|e| RpcError::InvalidParams(e.to_string()))?
+ .unwrap_or_default();
+
+ let limit = limit_or(limit);
+
+ let mut filter = RadrootsNostrFilter::new()
+ .limit(limit)
+ .kind(RadrootsNostrKind::Custom(KIND_REACTION as u16));
+
+ if let Some(authors) = parse_pubkeys_opt("author", authors)? {
+ filter = filter.authors(authors);
+ } else {
+ filter = filter.author(ctx.state.pubkey);
+ }
+ filter = apply_time_bounds(filter, since, until);
+
+ let events = ctx
+ .state
+ .client
+ .fetch_events(filter, Duration::from_secs(timeout_or(timeout_secs)))
+ .await
+ .map_err(|e| RpcError::Other(format!("fetch failed: {e}")))?;
+
+ let items = build_reaction_rows(events);
+
+ Ok::<ReactionListResponse, RpcError>(ReactionListResponse { reactions: items })
+ })?;
+
+ Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+ use super::build_reaction_rows;
+ use radroots_events::kinds::{KIND_REACTION, KIND_POST};
+ use radroots_events::reaction::RadrootsReaction;
+ use radroots_events::RadrootsNostrEventRef;
+ use radroots_events_codec::reaction::encode::reaction_build_tags;
+ use radroots_nostr::prelude::RadrootsNostrEvent;
+ use serde_json::json;
+
+ fn reaction_event(
+ id: &str,
+ pubkey: &str,
+ created_at: u64,
+ tags: Vec<Vec<String>>,
+ content: &str,
+ ) -> RadrootsNostrEvent {
+ let sig = format!("{:0128x}", 11);
+ let event_json = json!({
+ "id": id,
+ "pubkey": pubkey,
+ "created_at": created_at,
+ "kind": KIND_REACTION,
+ "tags": tags,
+ "content": content,
+ "sig": sig,
+ });
+ serde_json::from_value(event_json).expect("event")
+ }
+
+ fn sample_reaction(event_id: &str, author: &str, content: &str) -> RadrootsReaction {
+ let root = RadrootsNostrEventRef {
+ id: event_id.to_string(),
+ author: author.to_string(),
+ kind: KIND_POST,
+ d_tag: None,
+ relays: None,
+ };
+ RadrootsReaction {
+ root,
+ content: content.to_string(),
+ }
+ }
+
+ #[test]
+ fn reaction_list_sorts_by_created_at_desc() {
+ let pubkey = "1bdebe7b23fccb167fc8843280b789839dfa296ae9fd86cc9769b4813d76d8a4";
+ let reaction = sample_reaction("root-1", pubkey, "+");
+ let tags = reaction_build_tags(&reaction).expect("tags");
+ let old_id = format!("{:064x}", 1);
+ let new_id = format!("{:064x}", 2);
+ let older = reaction_event(&old_id, pubkey, 100, tags.clone(), &reaction.content);
+ let newer = reaction_event(&new_id, pubkey, 200, tags.clone(), &reaction.content);
+
+ let reactions = build_reaction_rows(vec![older, newer]);
+
+ assert_eq!(reactions.len(), 2);
+ assert_eq!(reactions[0].id, new_id);
+ assert_eq!(reactions[0].created_at, 200);
+ assert_eq!(reactions[1].id, old_id);
+ assert_eq!(reactions[1].created_at, 100);
+ }
+
+ #[test]
+ fn reaction_list_decodes_reaction() {
+ let pubkey = "2bdebe7b23fccb167fc8843280b789839dfa296ae9fd86cc9769b4813d76d8a4";
+ let reaction = sample_reaction("root-1", pubkey, "+");
+ let tags = reaction_build_tags(&reaction).expect("tags");
+ let id = format!("{:064x}", 3);
+ let event = reaction_event(&id, pubkey, 300, tags.clone(), &reaction.content);
+
+ let reactions = build_reaction_rows(vec![event]);
+
+ assert_eq!(reactions.len(), 1);
+ assert_eq!(reactions[0].tags, tags);
+ let parsed = reactions[0].reaction.as_ref().expect("reaction");
+ assert_eq!(parsed.content, "+");
+ assert_eq!(parsed.root.id, "root-1");
+ }
+}
diff --git a/src/api/jsonrpc/methods/events/reaction/mod.rs b/src/api/jsonrpc/methods/events/reaction/mod.rs
@@ -0,0 +1,18 @@
+#![forbid(unsafe_code)]
+
+use anyhow::Result;
+use jsonrpsee::server::RpcModule;
+
+use crate::api::jsonrpc::{MethodRegistry, RpcContext};
+
+pub mod get;
+pub mod list;
+pub mod publish;
+
+pub fn module(ctx: RpcContext, registry: MethodRegistry) -> Result<RpcModule<RpcContext>> {
+ let mut m = RpcModule::new(ctx);
+ list::register(&mut m, ®istry)?;
+ publish::register(&mut m, ®istry)?;
+ get::register(&mut m, ®istry)?;
+ Ok(m)
+}
diff --git a/src/api/jsonrpc/methods/events/reaction/publish.rs b/src/api/jsonrpc/methods/events/reaction/publish.rs
@@ -0,0 +1,51 @@
+#![forbid(unsafe_code)]
+
+use anyhow::Result;
+use jsonrpsee::server::RpcModule;
+use serde::Deserialize;
+
+use crate::api::jsonrpc::nostr::{publish_response, PublishResponse};
+use crate::api::jsonrpc::{MethodRegistry, RpcContext, RpcError};
+use radroots_events::kinds::KIND_REACTION;
+use radroots_events::reaction::RadrootsReaction;
+use radroots_events_codec::reaction::encode::to_wire_parts;
+use radroots_nostr::prelude::{radroots_nostr_build_event, radroots_nostr_send_event};
+
+#[derive(Debug, Deserialize)]
+struct PublishReactionParams {
+ reaction: RadrootsReaction,
+ #[serde(default)]
+ tags: Option<Vec<Vec<String>>>,
+}
+
+pub fn register(m: &mut RpcModule<RpcContext>, registry: &MethodRegistry) -> Result<()> {
+ registry.track("events.reaction.publish");
+ m.register_async_method("events.reaction.publish", |params, ctx, _| async move {
+ let relays = ctx.state.client.relays().await;
+ if relays.is_empty() {
+ return Err(RpcError::NoRelays);
+ }
+
+ let PublishReactionParams { reaction, tags } = params
+ .parse()
+ .map_err(|e| RpcError::InvalidParams(e.to_string()))?;
+
+ let parts = to_wire_parts(&reaction)
+ .map_err(|e| RpcError::InvalidParams(format!("invalid reaction: {e}")))?;
+ let mut tag_slices = parts.tags;
+ if let Some(extra_tags) = tags {
+ tag_slices.extend(extra_tags);
+ }
+
+ let builder = radroots_nostr_build_event(KIND_REACTION, parts.content, tag_slices)
+ .map_err(|e| RpcError::Other(format!("failed to build reaction: {e}")))?;
+
+ let output = radroots_nostr_send_event(&ctx.state.client, builder)
+ .await
+ .map_err(|e| RpcError::Other(format!("failed to publish reaction: {e}")))?;
+
+ Ok::<PublishResponse, RpcError>(publish_response(output))
+ })?;
+
+ Ok(())
+}
diff --git a/src/api/jsonrpc/methods/mod.rs b/src/api/jsonrpc/methods/mod.rs
@@ -21,6 +21,7 @@ pub fn register_all(
root.merge(events::follow::module(ctx.clone(), registry.clone())?)?;
root.merge(events::post::module(ctx.clone(), registry.clone())?)?;
root.merge(events::comment::module(ctx.clone(), registry.clone())?)?;
+ root.merge(events::reaction::module(ctx.clone(), registry.clone())?)?;
root.merge(events::listing::module(ctx.clone(), registry.clone())?)?;
root.merge(events::list_set::module(ctx.clone(), registry.clone())?)?;
root.merge(events::dvm_request::module(ctx.clone(), registry.clone())?)?;
