Function add_alt_block 

pub fn add_alt_block(
    db: &BlockchainDatabase,
    alt_block: &AltBlockInformation,
    tx_rw: &mut OwnedWriteBatch,
) -> DbResult<()>

Add a [AltBlockInformation] to the database.

This extracts all the data from the input block and maps/adds them to the appropriate database tables.

Panics

This function may panic if the given block data is invalid.

THIS IS NOT ATOMIC