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-rw-r--r--tvix/castore/src/blobservice/grpc.rs5
-rw-r--r--tvix/castore/src/proto/grpc_blobservice_wrapper.rs18
-rw-r--r--tvix/castore/src/utils.rs4
3 files changed, 13 insertions, 14 deletions
diff --git a/tvix/castore/src/blobservice/grpc.rs b/tvix/castore/src/blobservice/grpc.rs
index f90240d884e3..faf50eff88ce 100644
--- a/tvix/castore/src/blobservice/grpc.rs
+++ b/tvix/castore/src/blobservice/grpc.rs
@@ -221,7 +221,6 @@ impl<W: tokio::io::AsyncWrite + Unpin> tokio::io::AsyncWrite for GRPCBlobWriter<
 
 #[cfg(test)]
 mod tests {
-    use std::sync::Arc;
     use std::time::Duration;
 
     use tempfile::TempDir;
@@ -255,8 +254,8 @@ mod tests {
             let mut server = tonic::transport::Server::builder();
             let router =
                 server.add_service(crate::proto::blob_service_server::BlobServiceServer::new(
-                    GRPCBlobServiceWrapper::from(
-                        Arc::new(MemoryBlobService::default()) as Arc<dyn BlobService>
+                    GRPCBlobServiceWrapper::new(
+                        Box::<MemoryBlobService>::default() as Box<dyn BlobService>
                     ),
                 ));
             router.serve_with_incoming(uds_stream).await
diff --git a/tvix/castore/src/proto/grpc_blobservice_wrapper.rs b/tvix/castore/src/proto/grpc_blobservice_wrapper.rs
index a37cc299b8a3..063f0421ddee 100644
--- a/tvix/castore/src/proto/grpc_blobservice_wrapper.rs
+++ b/tvix/castore/src/proto/grpc_blobservice_wrapper.rs
@@ -6,22 +6,19 @@ use std::{
     io,
     ops::{Deref, DerefMut},
     pin::Pin,
-    sync::Arc,
 };
 use tokio_stream::StreamExt;
 use tokio_util::io::ReaderStream;
 use tonic::{async_trait, Request, Response, Status, Streaming};
 use tracing::{instrument, warn};
 
-pub struct GRPCBlobServiceWrapper {
-    blob_service: Arc<dyn BlobService>,
+pub struct GRPCBlobServiceWrapper<T> {
+    blob_service: T,
 }
 
-impl From<Arc<dyn BlobService>> for GRPCBlobServiceWrapper {
-    fn from(value: Arc<dyn BlobService>) -> Self {
-        Self {
-            blob_service: value,
-        }
+impl<T> GRPCBlobServiceWrapper<T> {
+    pub fn new(blob_service: T) -> Self {
+        Self { blob_service }
     }
 }
 
@@ -84,7 +81,10 @@ unsafe impl<const N: usize> bytes::BufMut for BytesMutWithDefaultCapacity<N> {
 }
 
 #[async_trait]
-impl super::blob_service_server::BlobService for GRPCBlobServiceWrapper {
+impl<T> super::blob_service_server::BlobService for GRPCBlobServiceWrapper<T>
+where
+    T: Deref<Target = dyn BlobService> + Send + Sync + 'static,
+{
     // https://github.com/tokio-rs/tokio/issues/2723#issuecomment-1534723933
     type ReadStream =
         Pin<Box<dyn futures::Stream<Item = Result<super::BlobChunk, Status>> + Send + 'static>>;
diff --git a/tvix/castore/src/utils.rs b/tvix/castore/src/utils.rs
index b24627ed9bef..d9a7254a5651 100644
--- a/tvix/castore/src/utils.rs
+++ b/tvix/castore/src/utils.rs
@@ -1,8 +1,8 @@
 //! A crate containing constructors to provide instances of a BlobService and
 //! DirectoryService. Only used for testing purposes, but across crates.
 //! Should be removed once we have a better concept of a "Service registry".
-
 use std::sync::Arc;
+
 use tonic::transport::{Channel, Endpoint, Server, Uri};
 
 use crate::{
@@ -67,7 +67,7 @@ pub(crate) async fn gen_blobsvc_grpc_client() -> BlobServiceClient<Channel> {
     tokio::spawn(async {
         // spin up a new DirectoryService
         let mut server = Server::builder();
-        let router = server.add_service(BlobServiceServer::new(GRPCBlobServiceWrapper::from(
+        let router = server.add_service(BlobServiceServer::new(GRPCBlobServiceWrapper::new(
             gen_blob_service(),
         )));