def main():
target_interval_sec = 5
diff_calc = diff.MADifficultyCalculator(
ma_samples=32, target_interval_sec=target_interval_sec)
hash_power = 100
cTime = 0.0
chain = [Block(0, 0.002)]
usedTimeList = []
p = proof_of_work.PoW(hash_power)
for i in range(1000):
required_diff = diff_calc.calculate_diff(chain)
cTime = cTime + p.mine(required_diff)
block = Block(cTime, required_diff)
used_time = block.n_time - chain[-1].n_time
chain.append(block)
usedTimeList.append(used_time)
print("Time %.2f, block %d, requiredWork %.2f, used_time %.2f" %
(block.n_time, i + 1, 1 / block.required_diff, used_time))
print("Max: %.2f, min: %.2f, avg: %.2f, std: %.2f" % (
max(usedTimeList),
min(usedTimeList),
stat.mean(usedTimeList),
stat.stdev(usedTimeList),
))
def __init__(self,
hash_power=NODE_DEFAULT_HASH_POWER,
chain_selector=DynamicChainSelector):
self.node_id = Node.get_next_node_id()
self.peers = []
self.major_chain = MajorBlockChain(SHARD_SIZE, 0)
self.chain_selector = chain_selector
# Create a list of minor blockchains
minor_chain_list = []
for i in range(SHARD_SIZE):
minor_chain_list.append(MinorBlockChain(SHARD_SIZE, i, hash=i + 1))
self.minor_chain_list = minor_chain_list
print("node %d created" % self.node_id)
self.hash_power = hash_power
self.pow = proof_of_work.PoW(self.hash_power)
self.rewards = 0