After https://github.com/dandi/dandi-archive/issues/912 is implemented, the Zarr upload code should no longer calculate entry digests before starting an upload, but it should digest file data while uploading and verify the result against the ETag returned by S3.
(Spun off from #915)
After https://github.com/dandi/dandi-archive/issues/912 is implemented, the Zarr upload code should no longer calculate entry digests before starting an upload, but it should digest file data while uploading and verify the result against the ETag returned by S3.