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Note multicasting

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This is an initial implementation of note multicast, which sends posted
notes to other notedecks on the same network.

This came about after I nerd sniped myself thinking about p2p nostr on
local networks[1]

You can test this exclusively without joining any other relays by
passing -r multicast on the command line.

[1] https://damus.io/note1j50pseqwma38g3aqrsnhvld0m0ysdgppw6fjnvvcj0haeulgswgq80lpca

Signed-off-by: William Casarin <jb55@jb55.com>
This commit is contained in:
William Casarin
2025-01-01 18:49:46 -06:00
parent f5afdd04a6
commit fe6206c546
16 changed files with 406 additions and 125 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
crates/notedeck_columns/src/timeline/mod.rs
View File

@@ -15,7 +15,7 @@ use std::fmt;
use std::sync::atomic::{AtomicU32, Ordering};
use egui_virtual_list::VirtualList;
use enostr::{Pubkey, Relay, RelayPool};
use enostr::{PoolRelay, Pubkey, RelayPool};
use nostrdb::{Filter, Ndb, Note, Subscription, Transaction};
use std::cell::RefCell;
use std::hash::Hash;
@@ -423,7 +423,7 @@ pub fn setup_new_timeline(
}
for relay in &mut pool.relays {
send_initial_timeline_filter(ndb, since_optimize, subs, &mut relay.relay, timeline);
send_initial_timeline_filter(ndb, since_optimize, subs, relay, timeline);
}
}
@@ -440,11 +440,7 @@ pub fn send_initial_timeline_filters(
relay_id: &str,
) -> Option<()> {
info!("Sending initial filters to {}", relay_id);
let relay = &mut pool
.relays
.iter_mut()
.find(|r| r.relay.url == relay_id)?
.relay;
let relay = &mut pool.relays.iter_mut().find(|r| r.url() == relay_id)?;
for timeline in columns.timelines_mut() {
send_initial_timeline_filter(ndb, since_optimize, subs, relay, timeline);
@@ -457,10 +453,10 @@ pub fn send_initial_timeline_filter(
ndb: &Ndb,
can_since_optimize: bool,
subs: &mut Subscriptions,
relay: &mut Relay,
relay: &mut PoolRelay,
timeline: &mut Timeline,
) {
let filter_state = timeline.filter.get(&relay.url);
let filter_state = timeline.filter.get(relay.url());
match filter_state {
FilterState::Broken(err) => {
@@ -510,7 +506,9 @@ pub fn send_initial_timeline_filter(
let sub_id = subscriptions::new_sub_id();
subs.subs.insert(sub_id.clone(), SubKind::Initial);
relay.subscribe(sub_id, new_filters);
if let Err(err) = relay.subscribe(sub_id, new_filters) {
error!("error subscribing: {err}");
}
}
// we need some data first
@@ -524,7 +522,7 @@ fn fetch_contact_list(
filter: Vec<Filter>,
ndb: &Ndb,
subs: &mut Subscriptions,
relay: &mut Relay,
relay: &mut PoolRelay,
timeline: &mut Timeline,
) {
let sub_kind = SubKind::FetchingContactList(timeline.id);
@@ -532,14 +530,16 @@ fn fetch_contact_list(
let local_sub = ndb.subscribe(&filter).expect("sub");
timeline.filter.set_relay_state(
relay.url.clone(),
relay.url().to_string(),
FilterState::fetching_remote(sub_id.clone(), local_sub),
);
subs.subs.insert(sub_id.clone(), sub_kind);
info!("fetching contact list from {}", &relay.url);
relay.subscribe(sub_id, filter);
info!("fetching contact list from {}", relay.url());
if let Err(err) = relay.subscribe(sub_id, filter) {
error!("error subscribing: {err}");
}
}
fn setup_initial_timeline(