def get(measurement, parent_difficulty, dev_config):
ph = PoWHelper(kp=dev_config.kp,
set_point=dev_config.block_timing_in_seconds)
current_difficulty = ph.getDifficulty(measurement=measurement,
parent_difficulty=parent_difficulty)
current_target = ph.getTarget(current_difficulty)
return current_difficulty, current_target
def get(measurement,
parent_difficulty):
ph = PoWHelper(kp=config.dev.kp,
set_point=config.dev.mining_setpoint_blocktime)
current_difficulty = ph.getDifficulty(measurement=measurement,
parent_difficulty=parent_difficulty)
current_target = ph.getTarget(current_difficulty)
return current_difficulty, current_target
def test_target_1(self):
ph = PoWHelper()
difficulty = (0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x0F, 0x42, 0x40)
target = ph.getTarget(difficulty)
expected_target = (169, 158, 204, 63, 250, 38, 77, 131, 162, 121, 0,
139, 252, 250, 33, 54, 88, 56, 73, 243, 199, 180,
54, 141, 237, 181, 160, 247, 198, 16, 0, 0)
self.assertEqual(expected_target, target)
def test_adaptive_target(self):
ph = PoWHelper()
parent_difficulty = StringToUInt256("5000")
current_difficulty = ph.getDifficulty(
measurement=104, parent_difficulty=parent_difficulty)
expected_difficulty = '4644'
print(parent_difficulty)
print(expected_difficulty)
print(current_difficulty)
self.assertEqual(expected_difficulty,
UInt256ToString(current_difficulty))
target = ph.getTarget(current_difficulty)
expected_target = "12766941454368345787240450318120704813017110301439674670851728194227068997120"
self.assertEqual(expected_target, UInt256ToString(target))
def main():
persistent_state = State()
chain_manager = ChainManager(state=persistent_state)
chain_manager.load(GenesisBlock())
ph = PoWHelper()
difficulty = StringToUInt256('5000')
filename = os.path.expanduser(
"~/crypto/qryptonight/modeling/blockdata.csv")
with open(filename, 'w') as f:
f.write("i,timestamp,prev_timestamp,delta,difficulty,target\n")
prev_timestamp = None
for i in range(chain_manager.height):
block = chain_manager.get_block_by_number(i)
if i == 0:
prev_timestamp = block.blockheader.timestamp
continue
target = ph.getTarget(difficulty)
delta = block.blockheader.timestamp - prev_timestamp
outs = "{},{},{},{},{},{}\n".format(i, block.blockheader.timestamp,
prev_timestamp, delta,
UInt256ToString(difficulty),
UInt256ToString(target))
f.write(outs)
difficulty = ph.getDifficulty(block.blockheader.timestamp,
prev_timestamp, difficulty)
difficulty = StringToUInt256(
str(max(2, int(UInt256ToString(difficulty)))))
prev_timestamp = block.blockheader.timestamp
difficulty = StringToUInt256('5000')
delta = 0
filename = os.path.expanduser("~/crypto/qryptonight/modeling/blockdata.csv")
with open(filename, 'w') as f:
f.write("i,timestamp,prev_timestamp,delta,difficulty,target\n")
prev_timestamp = None
for i in range(chain_manager.height):
block = chain_manager.get_block_by_number(i)
if i == 0:
prev_timestamp = block.blockheader.timestamp
continue
target = ph.getTarget(difficulty)
delta = block.blockheader.timestamp - prev_timestamp
outs = "{},{},{},{},{},{}\n".format(i, block.blockheader.timestamp,
prev_timestamp, delta,
UInt256ToString(difficulty),
UInt256ToString(target))
f.write(outs)
difficulty = ph.getDifficulty(block.blockheader.timestamp,
prev_timestamp, difficulty)
difficulty = StringToUInt256(
str(max(2, int(UInt256ToString(difficulty)))))
prev_timestamp = block.blockheader.timestamp
def get_target(current_difficulty):
ph = PoWHelper(kp=config.dev.kp,
set_point=config.dev.mining_setpoint_blocktime)
return ph.getTarget(current_difficulty)
def get_target(current_difficulty, dev_config):
ph = PoWHelper(kp=dev_config.kp,
set_point=dev_config.block_timing_in_seconds)
return ph.getTarget(current_difficulty)