fix(tvix/store/pathinfo/bigtable): fix listing endpoint r/8340

We were wrongly comparing the raw row_key with the store path
digest, but we hexlower-encode the digest in the row key (via
derive_pathinfo_key).

Update the logic to fix that.

Change-Id: I8916d8de9fb8b25a6986d4158faa91ec97c57347
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11926
Reviewed-by: Brian Olsen <me@griff.name>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI

1 files changed, 3 insertions, 1 deletions

diff --git a/tvix/store/src/pathinfoservice/bigtable.rs b/tvix/store/src/pathinfoservice/bigtable.rs
index 707a686c0a54..26d07689d71f 100644
--- a/tvix/store/src/pathinfoservice/bigtable.rs
+++ b/tvix/store/src/pathinfoservice/bigtable.rs
@@ -398,7 +398,9 @@ impl PathInfoService for BigtablePathInfoService {
                     .validate()
                     .map_err(|e| Error::StorageError(format!("invalid PathInfo: {}", e)))?;
 
-                if store_path.digest().as_slice() != row_key.as_slice() {
+                let exp_path_info_key = derive_pathinfo_key(store_path.digest());
+
+                if exp_path_info_key.as_bytes() != row_key.as_slice() {
                     Err(Error::StorageError("PathInfo has unexpected digest".into()))?
                 }