* Default block_height on eof
* Add comment to prevent future errors
(cherry picked from commit c57d1b44ef)
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
		
	
BigTable Setup
Development Environment
The Cloud BigTable emulator can be used during development/test. See https://cloud.google.com/bigtable/docs/emulator for general setup information.
Process:
- Run gcloud beta emulators bigtable startin the background
- Run $(gcloud beta emulators bigtable env-init)to establish theBIGTABLE_EMULATOR_HOSTenvironment variable
- Run ./init-bigtable.shto configure the emulator
- Develop/test
Production Environment
Export a standard GOOGLE_APPLICATION_CREDENTIALS environment variable to your
service account credentials.  The project should contain a BigTable instance
called solana-ledger that has been initialized by running the ./init-bigtable.sh script.
Depending on what operation mode is required, either the
https://www.googleapis.com/auth/bigtable.data or
https://www.googleapis.com/auth/bigtable.data.readonly OAuth scope will be
requested using the provided credentials.