chore: refactor the backend #17

Merged
reya merged 10 commits from chore/refactor into master 2026-09-10 09:43:36 +00:00
2 changed files with 58 additions and 50 deletions
Showing only changes of commit 18433ec239 - Show all commits
+21 -48
View File
@@ -160,15 +160,15 @@ impl Backend {
let task = cx.background_spawn(async move { let task = cx.background_spawn(async move {
for url in BOOTSTRAP_RELAYS { for url in BOOTSTRAP_RELAYS {
client.add_relay(url).await?; client.add_relay(url).and_connect().await?;
} }
for url in INDEXER_RELAYS { for url in INDEXER_RELAYS {
client client
.add_relay(url) .add_relay(url)
.capabilities(RelayCapabilities::DISCOVERY) .capabilities(RelayCapabilities::DISCOVERY)
.and_connect()
.await?; .await?;
} }
client.connect().await;
Ok::<(), Error>(()) Ok::<(), Error>(())
}); });
@@ -425,6 +425,7 @@ impl Backend {
let path = cache.repo_path(&addr); let path = cache.repo_path(&addr);
let owner = public_key.to_bech32().unwrap(); let owner = public_key.to_bech32().unwrap();
let servers = grasp_servers.clone(); let servers = grasp_servers.clone();
let client = self.client.clone();
cx.spawn(async move |this, cx| { cx.spawn(async move |this, cx| {
// Initialize the local clone and create the user's working copy from it. // Initialize the local clone and create the user's working copy from it.
@@ -488,10 +489,9 @@ impl Backend {
let commit_sha = Sha1Hash::from_str(&commit).map_err(|_| anyhow!("invalid id"))?; let commit_sha = Sha1Hash::from_str(&commit).map_err(|_| anyhow!("invalid id"))?;
// The nostr client queues events until each relay is connected. // The nostr client queues events until each relay is connected.
this.update(cx, |this, cx| { for url in &servers {
let urls: Vec<String> = servers.iter().map(ToString::to_string).collect(); client.add_relay(url).and_connect().await.ok();
this.add_relays(urls, cx); }
})?;
// The state event is the push authorization. It must be accepted before the push below. // The state event is the push authorization. It must be accepted before the push below.
let announcement = GitRepositoryAnnouncement { let announcement = GitRepositoryAnnouncement {
@@ -622,6 +622,7 @@ impl Backend {
let owner = public_key.to_bech32().unwrap(); let owner = public_key.to_bech32().unwrap();
let servers = grasp_servers.clone(); let servers = grasp_servers.clone();
let client = self.client.clone();
cx.spawn(async move |this, cx| { cx.spawn(async move |this, cx| {
let work = cx.background_spawn({ let work = cx.background_spawn({
@@ -635,10 +636,9 @@ impl Backend {
let (state, euc) = work.await?; let (state, euc) = work.await?;
// The nostr client queues events until each relay is connected. // The nostr client queues events until each relay is connected.
this.update(cx, |this, cx| { for url in &servers {
let urls: Vec<String> = servers.iter().map(ToString::to_string).collect(); client.add_relay(url).and_connect().await.ok();
this.add_relays(urls, cx); }
})?;
// The state event is the push authorization. It must be accepted before the push below. // The state event is the push authorization. It must be accepted before the push below.
let announcement = GitRepositoryAnnouncement { let announcement = GitRepositoryAnnouncement {
@@ -1045,22 +1045,22 @@ impl Backend {
task.detach(); task.detach();
} }
/// Fetch the user's grasp list and add the listed grasp servers as relays. /// Sync the user's grasp list and add the listed grasp servers as relays.
fn bootstrap_user(&mut self, public_key: PublicKey, cx: &mut Context<Self>) { fn bootstrap_user(&mut self, public_key: PublicKey, cx: &mut Context<Self>) {
let client = self.client.clone(); let client = self.client.clone();
let task: Task<Result<(), Error>> = cx.spawn(async move |this, cx| { let task: Task<Result<(), Error>> = cx.spawn(async move |this, cx| {
let result = async { let result = async {
let events: Vec<Event> = client sync_bootstrap_only(
.fetch_events(filters::grasp_list(public_key)) &client,
.await? filters::grasp_list(public_key),
.into_iter() SyncOptions::default(),
.collect(); )
.await?;
for url in latest_grasp_list_servers(events) { for url in user_grasp_list_servers(client.clone(), public_key).await? {
client.add_relay(url.as_str()).await.ok(); client.add_relay(url).and_connect().await.ok();
} }
client.connect().await;
Ok::<_, Error>(()) Ok::<_, Error>(())
} }
@@ -1137,32 +1137,6 @@ impl Backend {
task.detach(); task.detach();
} }
/// Add relays and connect to them.
pub fn add_relays(&mut self, urls: Vec<String>, cx: &mut Context<Self>) {
let client = self.client.clone();
let task = cx.background_spawn(async move {
for url in urls {
client.add_relay(&url).await?;
}
client.connect().await;
Ok::<(), Error>(())
});
let notify_task: Task<Result<(), Error>> = cx.spawn(async move |this, cx| {
match task.await {
Ok(()) => {
this.update(cx, |_this, cx| cx.notify())?;
}
Err(e) => {
this.update(cx, |_this, cx| cx.emit(BackendEvent::error(e.to_string())))?;
}
}
Ok(())
});
notify_task.detach();
}
/// Connect to a repository's announced relays, its NIP-34 `relays` tag. /// Connect to a repository's announced relays, its NIP-34 `relays` tag.
/// ///
/// Callers are responsible for not repeating this for relays they already /// Callers are responsible for not repeating this for relays they already
@@ -1396,8 +1370,7 @@ async fn connect_repo_relays(
// Ensure relay connections // Ensure relay connections
for url in relays.iter() { for url in relays.iter() {
client.add_relay(url).await?; client.add_relay(url).and_connect().await?;
client.connect_relay(url).await?;
} }
// Run neg sync for each filter // Run neg sync for each filter
@@ -1724,9 +1697,9 @@ async fn stage_event_on_relay(
) -> Result<(), String> { ) -> Result<(), String> {
client client
.add_relay(relay) .add_relay(relay)
.and_connect()
.await .await
.map_err(|e| format!("could not add relay {relay}: {e}"))?; .map_err(|e| format!("could not add relay {relay}: {e}"))?;
client.connect().await;
let output = client let output = client
.send_event(event) .send_event(event)
+37 -2
View File
@@ -30,6 +30,17 @@ Each is addressed below with concrete file:line references and a verified replac
## 1. `fetch_events` — one call site, and it should go too ## 1. `fetch_events` — one call site, and it should go too
> **Status: done.** `bootstrap_user` now calls `sync_bootstrap_only` (the
> same helper `Backend::sync_bootstrap` already used) against
> `filters::grasp_list(public_key)`, then reads the result back out through
> the existing `user_grasp_list_servers` query helper instead of hand-rolling
> a second `BTreeSet<Event>` → `Vec<Event>` collect. `client.add_relay(url)`
> no longer round-trips through `.as_str()`, and connects with
> `.and_connect()` (see §8) instead of a trailing pool-wide `client.connect()`.
> `grep -rn "fetch_events" crates/` now returns nothing in the whole
> workspace. `cargo check --workspace`, `cargo clippy -p signed_state`, and
> `cargo test -p signed_state` (24 tests, unchanged) all pass.
``` ```
grep -rn "fetch_events" crates/ grep -rn "fetch_events" crates/
crates/signed_state/src/backend.rs:1065 crates/signed_state/src/backend.rs:1065
@@ -574,6 +585,26 @@ to `RepoListStore`.
## 8. Relay add/connect: stop round-tripping through strings, stop reconnecting the whole pool ## 8. Relay add/connect: stop round-tripping through strings, stop reconnecting the whole pool
> **Status: done.** Every `add_relay` call site now passes the `RelayUrl`
> directly (no `.as_str()`/`ToString` round trip) and chains `.and_connect()`
> instead of a separate, pool-wide `client.connect()`/`client.connect_relay()`
> call: `Backend::bootstrap` (both the `BOOTSTRAP_RELAYS` and `INDEXER_RELAYS`
> loops), `bootstrap_user`, `create_repository`, `publish_local_repo`,
> `connect_repo_relays`, and `stage_event_on_relay`. `Backend::add_relays` is
> deleted entirely — its two callers (`create_repository`, `publish_local_repo`)
> now capture `client` once before the surrounding `cx.spawn` and loop
> `client.add_relay(url).and_connect().await.ok();` directly over the
> `Vec<RelayUrl>` they already had, with no `Vec<String>` conversion at all.
> Verified `.and_connect()` (`client/api/add.rs`) and pool-wide `.connect()`
> semantics (`client/api/connect.rs`) against the pinned nostr-sdk source
> before making the change (see chat history), plus that `pool.sync()`
> requires relays to already be present in the pool
> (`pool/mod.rs:679-693`, `relays.get(&url).ok_or_else(...)`), which is why
> `sync_bootstrap_only`/`bootstrap_user` can safely assume `BOOTSTRAP_RELAYS`
> are already added by `Backend::bootstrap` before any sync runs.
> `cargo check --workspace`, `cargo clippy -p signed_state`, and
> `cargo test -p signed_state` (24 tests) all pass.
Flagged example (`backend.rs:1071-1074`): Flagged example (`backend.rs:1071-1074`):
```rust ```rust
@@ -1257,14 +1288,18 @@ method.
bug in `RepoDetailView`/`NewPullRequestView` along the way. bug in `RepoDetailView`/`NewPullRequestView` along the way.
Done: both halves are complete, see §6 and §14 for details. Done: both halves are complete, see §6 and §14 for details.
3. **Fix the relay add/connect calls** (§8): drop `.as_str()`/`ToString` 3. **Fix the relay add/connect calls** (§8): drop `.as_str()`/`ToString`
round trips, replace `add_relay` + blanket `client.connect()`/ round trips, replace `add_relay` + blanket `client.connect()`/
`connect_relay` pairs with `add_relay(url).and_connect()`, and delete `connect_relay` pairs with `add_relay(url).and_connect()`, and delete
`Backend::add_relays`. Mechanical, no behavior change beyond "connect `Backend::add_relays`. Mechanical, no behavior change beyond "connect
only what was just added." only what was just added."
4. **Fix `bootstrap_user`** to sync+query instead of `fetch_events` (§1).
Done: see §8 for the full list of call sites and verification notes.
4.**Fix `bootstrap_user`** to sync+query instead of `fetch_events` (§1).
One function, fully covered by existing tests for One function, fully covered by existing tests for
`latest_grasp_list_servers`. `latest_grasp_list_servers`.
Done: see §1. `fetch_events` no longer appears anywhere in the workspace.
5. **Generalize the 3 `signed_git` URL-list signatures** to `&[impl AsRef<str>]` 5. **Generalize the 3 `signed_git` URL-list signatures** to `&[impl AsRef<str>]`
(§15), then delete the now-redundant `.map(ToString::to_string).collect()` (§15), then delete the now-redundant `.map(ToString::to_string).collect()`
at all 7 call sites. Self-contained to `signed_git`'s public API plus a at all 7 call sites. Self-contained to `signed_git`'s public API plus a