v bomb script

bomb.py

import time, random
from datetime import datetime

def get_bump(n):
    return 2 ** ((n - 10700000) // 100000 - 2)

def simulate(hashrate, current_block):
    difficulty = hashrate * 13
    now = int(time.time())
    block = current_block
    last_block_time = now
    last_interval_time = now
    bump = get_bump(block)
    for timestamp in range(now, now + 31556926):
        if random.random() * difficulty < hashrate:
            block += 1
            delay = timestamp - last_block_time
            difficulty_delta = (difficulty // 2048) * max(1 - delay // 9, -99)
            difficulty += difficulty_delta
            last_block_time = timestamp
            difficulty += bump
            if block % 100000 == 0:
                d = datetime.fromtimestamp(timestamp)
                datestring = d.strftime("%Y %b %d")
                time_per_block = (
                    (timestamp - last_interval_time) /
                    min(100000, block - current_block)
                )
                last_interval_time = timestamp
                bump = get_bump(block)
                print('Block {} date {} last block interval {}'.format(
                    block, datestring, time_per_block
                ))

if __name__ == '__main__':
    import sys
    simulate(int(sys.argv[1]), int(sys.argv[2]))