def _initialize_chain_clean(self, test_dir, num_nodes):
    'Initialize empty blockchain for use by the test.\n\n        Create an empty blockchain and num_nodes wallets.\n        Useful if a test case wants complete control over initialization.'
    for i in range(num_nodes):
        initialize_datadir(test_dir, i)
Initialize empty blockchain for use by the test.

Create an empty blockchain and num_nodes wallets.
Useful if a test case wants complete control over initialization.
def _initialize_chain_clean(self, test_dir, num_nodes):
    'Initialize empty blockchain for use by the test.\n\n        Create an empty blockchain and num_nodes wallets.\n        Useful if a test case wants complete control over initialization.'
    for i in range(num_nodes):
        initialize_datadir(test_dir, i)