refactor(tvix/store/pathinfosvc): drop ByWhat, use digest directly r/6146

We currently only support querying by the output hash digest.
This makes the interface a bit simpler.

Change-Id: I80b285373f1923e85cb0e404c4b15d51a7f259ef
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8570
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>

1 files changed, 12 insertions, 7 deletions

diff --git a/tvix/store/src/proto/grpc_pathinfoservice_wrapper.rs b/tvix/store/src/proto/grpc_pathinfoservice_wrapper.rs
index 21a65185de..8050ce10cc 100644
--- a/tvix/store/src/proto/grpc_pathinfoservice_wrapper.rs
+++ b/tvix/store/src/proto/grpc_pathinfoservice_wrapper.rs
@@ -31,14 +31,19 @@ impl<
     ) -> Result<Response<proto::PathInfo>> {
         match request.into_inner().by_what {
             None => Err(Status::unimplemented("by_what needs to be specified")),
-            Some(by_what) => match self.path_info_service.get(by_what) {
-                Ok(None) => Err(Status::not_found("PathInfo not found")),
-                Ok(Some(path_info)) => Ok(Response::new(path_info)),
-                Err(e) => {
-                    warn!("failed to retrieve PathInfo: {}", e);
-                    Err(e.into())
+            Some(proto::get_path_info_request::ByWhat::ByOutputHash(digest)) => {
+                let digest: [u8; 20] = digest
+                    .try_into()
+                    .map_err(|_e| Status::invalid_argument("invalid digest length"))?;
+                match self.path_info_service.get(digest) {
+                    Ok(None) => Err(Status::not_found("PathInfo not found")),
+                    Ok(Some(path_info)) => Ok(Response::new(path_info)),
+                    Err(e) => {
+                        warn!("failed to retrieve PathInfo: {}", e);
+                        Err(e.into())
+                    }
                 }
-            },
+            }
         }
     }