A miner tester
usage: tester.py [-h] [--difficulty DIFFICULTY] [--port PORT] [--miner MINER]
[--repeat REPEAT] [--seed SEED]
optional arguments:
-h, --help show this help message and exit
--difficulty DIFFICULTY
A difficulty in hex string. (e.x. 0x7fffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffff)
--port PORT A listening port (default: 8080)
--miner MINER A miner port (default: 3333)
--repeat REPEAT The number of repeat (default: 10)
--seed SEED A random seed (default: 0)