Add logging to the ucanstream handler for Billing API, to see if it is properly parsing and saving space diffs when a user uploads
Adds checks of before and after on usage from the billing system to the blob and store integration tests -- this is based almost exactly on the way the UsageBar component fetches data in the console.
Goals
Better debug https://github.com/storacha-network/project-tracking/issues/75
Implementation
This PR does 2 things:
blob
andstore
integration tests -- this is based almost exactly on the way the UsageBar component fetches data in the console.