blockchain.py 文件源码

def geth_create_account(datadir, privkey):
    """
    Create an account in `datadir` -- since we're not interested
    in the rewards, we don't care about the created address.

    Args:
        datadir (str): the datadir in which the account is created
    """
    keyfile_path = os.path.join(datadir, 'keyfile')
    with open(keyfile_path, 'w') as handler:
        handler.write(hexlify(privkey))

    create = subprocess.Popen(
        ['geth', '--datadir', datadir, 'account', 'import', keyfile_path],
        stdin=subprocess.PIPE,
        universal_newlines=True
    )

    create.stdin.write(DEFAULT_PASSPHRASE + os.linesep)
    time.sleep(.1)
    create.stdin.write(DEFAULT_PASSPHRASE + os.linesep)
    create.communicate()
    assert create.returncode == 0