根據活動規則，抽獎過程爲在投給冠軍（So Dapp）戰隊的票數中隨機抽取 60 箇中獎名額，每個 1000 FC，結果如下：

抽獎程序：

import hashlib

import os

def sha3(x):

m = hashlib.sha3_256()

m.update(x.encode())

return m.hexdigest()

def pick(x):

global data

l = 0

r = len(data) – 1

while (l <= r):

mid = (l + r) >> 1

if (eval(data[mid][3]) >= luck):

  r = mid - 1

else:

  l = mid + 1

return r + 1

get transfer logs

fin = open(\’transfer.log\’, \’r\’)

lines = fin.readlines()

parse

0: epoch number

1: sender address

2: amount

3: accumulate amount

data = [x.strip().split(\’ \’) for x in lines]

filter transfer log with amount = 0

data = list(filter(lambda x : eval(x[2]) > 0, data))

calculate initial sha3 hash

hashes = [sha3(\’ \’.join(log)) for log in data]

now_hash = sha3(\’ \’.join(hashes))

roll

total_voted = eval(data[-1][-1])

award_cnt = 60

awarded = {}

for i in range(award_cnt):

now_hash = sha3(now_hash + \” conflux pioneer initiative {}-th price draw\”.format(i))

luck = int(now_hash, 16) % total_voted

luck_user = data[pick(luck)][1]

if luck_user in awarded:

awarded[luck_user] += 1

else:

awarded[luck_user] = 1

print(awarded)

END

了 解最新動態

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