fetch: Make `RemoteRefs` an alias

crates/radicle-fetch/src/sigrefs.rs

@@ -1,13 +1,10 @@
-use std::collections::{BTreeMap, BTreeSet};
+use std::collections::BTreeMap;
 use std::ops::Not as _;
 
-use radicle::storage::git::Repository;
 pub use radicle::storage::refs::SignedRefsAt;
 pub use radicle::storage::{git::Validation, Validations};
 use radicle::{crypto::PublicKey, storage::ValidateRepository};
 
-use crate::state::Cached;
-
 pub mod error {
     use radicle::crypto::PublicKey;
     use thiserror::Error;
@@ -34,57 +31,7 @@ pub(crate) fn validate(
 }
 
 /// The sigrefs found for each remote.
-///
-/// Construct using [`RemoteRefs::load`].
-#[derive(Debug, Default)]
-pub struct RemoteRefs(
-    pub(super)  BTreeMap<
-        PublicKey,
-        Result<Option<SignedRefsAt>, radicle::storage::refs::sigrefs::read::error::Read>,
-    >,
-);
-
-impl RemoteRefs {
-    /// Load the sigrefs for each remote in `remotes`.
-    pub(crate) fn load<'a, R, S>(
-        cached: &Cached<R, S>,
-        remotes: impl Iterator<Item = &'a PublicKey>,
-    ) -> Self
-    where
-        R: AsRef<Repository>,
-    {
-        Self(
-            remotes
-                .map(|remote| (*remote, cached.load(remote)))
-                .collect(),
-        )
-    }
-
-    pub(crate) fn len(&self) -> usize {
-        self.0.len()
-    }
-
-    pub(crate) fn into_inner(
-        self,
-    ) -> BTreeMap<
-        PublicKey,
-        Result<Option<SignedRefsAt>, radicle::storage::refs::sigrefs::read::error::Read>,
-    > {
-        self.0
-    }
-}
-
-impl<'a> IntoIterator for &'a RemoteRefs {
-    type Item = <&'a BTreeMap<
-        PublicKey,
-        Result<Option<SignedRefsAt>, radicle::storage::refs::sigrefs::read::error::Read>,
-    > as IntoIterator>::Item;
-    type IntoIter = <&'a BTreeMap<
-        PublicKey,
-        Result<Option<SignedRefsAt>, radicle::storage::refs::sigrefs::read::error::Read>,
-    > as IntoIterator>::IntoIter;
-
-    fn into_iter(self) -> Self::IntoIter {
-        self.0.iter()
-    }
-}
+pub(crate) type RemoteRefs = BTreeMap<
+    PublicKey,
+    Result<Option<SignedRefsAt>, radicle::storage::refs::sigrefs::read::error::Read>,
+>;

crates/radicle-fetch/src/stage.rs

@@ -518,7 +518,7 @@ impl ProtocolStage for DataRefs {
     ) -> Result<WantsHaves, error::WantsHaves> {
         let mut wants_haves = WantsHaves::default();
 
-        for (remote, result) in self.remotes.into_iter() {
+        for (remote, result) in self.remotes.iter() {
             let Ok(Some(refs)) = result else {
                 continue;
             };

crates/radicle-fetch/src/state.rs

@@ -300,7 +300,7 @@ impl FetchState {
         R: AsRef<Repository>,
         S: transport::ConnectionStream,
     {
-        match refs_at {
+        let remotes: Vec<_> = match refs_at {
             Some(refs_at) => {
                 let sigrefs_at = stage::SigrefsAt {
                     remote,
@@ -311,10 +311,8 @@ impl FetchState {
                 };
                 log::trace!("{sigrefs_at:?}");
                 self.run_stage(handle, handshake, &sigrefs_at)?;
-                let remotes = refs_at.iter().map(|r| &r.remote);
 
-                let signed_refs = sigrefs::RemoteRefs::load(&self.as_cached(handle), remotes);
-                Ok(signed_refs)
+                refs_at.iter().map(|r| &r.remote).cloned().collect()
             }
             None => {
                 let followed = handle.allowed();
@@ -330,13 +328,14 @@ impl FetchState {
                 log::trace!("{special_refs:?}");
                 let fetched = self.run_stage(handle, handshake, &special_refs)?;
 
-                let signed_refs = sigrefs::RemoteRefs::load(
-                    &self.as_cached(handle),
-                    fetched.iter().chain(delegates.iter()),
-                );
-                Ok(signed_refs)
+                fetched.iter().chain(delegates.iter()).cloned().collect()
             }
-        }
+        };
+
+        Ok(remotes
+            .into_iter()
+            .map(|remote| (remote, self.as_cached(handle).load(&remote)))
+            .collect())
     }
 
     /// The finalization of the protocol exchange is as follows:
@@ -467,7 +466,7 @@ impl FetchState {
 
         // TODO(finto): this might read better if it got its own
         // private function.
-        for (remote, refs) in signed_refs.into_inner() {
+        for (remote, refs) in signed_refs {
             if handle.is_blocked(&remote) {
                 log::trace!("Skipping blocked remote {remote}");
                 continue;