def test_get_block_index(self):
"""Test validity of getting block index."""
db = rocksdb.DB(DB_PATH,
rocksdb.Options(create_if_missing=True,
max_open_files=10000),
read_only=True)
block_index = '25308'
block_hash = '0x31a2bdcaed45ff75bd2d4803731b4200719f6fe1c07e3661f33e3a9a2c996a6e'
gatherer = DatabaseGatherer(db)
gathered_data = gatherer.get_block_hash_by_index(block_index)
self.assertEqual(block_hash, gathered_data)
def get_hash_by_index(block_index: str, db: Any = None) -> None:
"""
Get block hash by its index.
Args:
block_index: Index of the block.
db: Read-only database instance.
"""
try:
int(block_index)
except ValueError:
return 'Index {} couldn\'t be parsed'.format(block_index), 400
gatherer = DatabaseGatherer(db)
block_hash = gatherer.get_block_hash_by_index(block_index)
if block_hash is None:
return 'Block with index {} not found'.format(block_index), 404
return block_hash
