def validate_mining_nonce(self, block, enable_logging=False):
parent_metadata = self.state.get_block_metadata(block.prev_headerhash)
parent_block = self.state.get_block(block.prev_headerhash)
input_bytes = StringToUInt256(str(block.mining_nonce))[-4:] + tuple(block.mining_hash)
measurement = self.state.get_measurement(block.timestamp, block.prev_headerhash)
diff, target = self._difficulty_tracker.get(
measurement=measurement,
parent_difficulty=parent_metadata.block_difficulty)
if enable_logging:
logger.debug('-----------------START--------------------')
logger.debug('Validate #%s', block.block_number)
logger.debug('block.timestamp %s', block.timestamp)
logger.debug('parent_block.timestamp %s', parent_block.timestamp)
logger.debug('parent_block.difficulty %s', UInt256ToString(parent_metadata.block_difficulty))
logger.debug('input_bytes %s', UInt256ToString(input_bytes))
logger.debug('diff : %s | target : %s', UInt256ToString(diff), target)
logger.debug('-------------------END--------------------')
if not PoWHelper.verifyInput(input_bytes, target):
if enable_logging:
logger.warning("PoW verification failed")
qn = Qryptonight()
tmp_hash = qn.hash(input_bytes)
logger.warning("{}".format(tmp_hash))
logger.debug('%s', block.to_json())
return False
return True
def test_miner_verify(self):
class CustomQMiner(Qryptominer):
def __init__(self):
Qryptominer.__init__(self)
def handleEvent(self, event):
if event.type == pyqryptonight.SOLUTION:
print("Hey a solution has been found!", event.nonce)
self.python_nonce = event.nonce
return True
input_bytes = [
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09
]
target = [
0x1E, 0xE5, 0x3F, 0xE1, 0xAC, 0xF3, 0x55, 0x92,
0x66, 0xD8, 0x43, 0x89, 0xCE, 0xDE, 0x99, 0x33,
0xC6, 0x8F, 0xC5, 0x1E, 0xD0, 0xA6, 0xC7, 0x91,
0xF8, 0xF9, 0xE8, 0x9D, 0xB6, 0x23, 0xF0, 0x0C
]
# Create a customized miner
qm = CustomQMiner()
# Set input bytes, nonce
qm.start(input=input_bytes,
nonceOffset=0,
target=target,
thread_count=2)
# Python can sleep or do something else.. the callback will happen in the background
time.sleep(5)
# This property has been just created in the python custom class when the event is received
self.assertEqual(37, qm.python_nonce)
self.assertEqual(True, qm.solutionAvailable())
self.assertEqual(37, qm.solutionNonce())
solution_input = list(qm.solutionInput())
print("input_bytes ", input_bytes)
print("solution_input ", solution_input)
print("target ", target)
print("solutionHash ", qm.solutionHash())
qn = Qryptonight()
output = qn.hash(solution_input)
print("raw Hash ", output)
ph = PoWHelper()
self.assertTrue(ph.verifyInput(solution_input, target))
solution_input[4] = 0x29
self.assertFalse(ph.verifyInput(solution_input, target))
def test_hash(self):
qn = Qryptonight()
input = [
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x01, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09
]
output = qn.hash(input)
output_expected = (
0xc5, 0xbe, 0xe5, 0x37, 0x1c, 0x54, 0x7f, 0x1c,
0x01, 0x71, 0x39, 0x38, 0x54, 0x68, 0xf9, 0xa9,
0x8d, 0x57, 0xb2, 0x3c, 0xa6, 0xac, 0xb3, 0x80,
0x91, 0x61, 0x8e, 0xd2, 0x81, 0x5d, 0x09, 0x46,
)
for i in output:
print("0x{:02x}, ".format(i), sep='', end='')
self.assertEqual(output_expected, output)
def test_hash2(self):
qn = Qryptonight()
input = [0x03, 0x05, 0x07, 0x09] * 30
output = qn.hash(input)
output_expected = (255, 253, 83, 78, 29, 24, 160, 224, 30, 240, 158,
39, 233, 125, 90, 170, 78, 59, 157, 146, 97, 86,
205, 161, 160, 155, 48, 144, 51, 148, 155, 99)
self.assertEqual(output_expected, output)
def test_hash3(self):
qn = Qryptonight()
input = [0x03, 0x05, 0x07, 0x09] * 200
output = qn.hash(input)
output_expected = (216, 31, 227, 138, 9, 118, 5, 200, 136, 40, 156,
168, 86, 35, 146, 223, 199, 76, 188, 213, 25, 117,
247, 195, 15, 183, 236, 219, 104, 212, 75, 211)
self.assertEqual(output_expected, output)
def test_hash(self):
qn = Qryptonight()
input = [0x03, 0x05, 0x07, 0x09]
output = qn.hash(input)
output_expected = (0x3E, 0xE5, 0x3F, 0xE1, 0xAC, 0xF3, 0x55, 0x92,
0x66, 0xD8, 0x43, 0x89, 0xCE, 0xDE, 0x99, 0x33,
0xC6, 0x8F, 0xC5, 0x1E, 0xD0, 0xA6, 0xC7, 0x91,
0xF8, 0xF9, 0xE8, 0x9D, 0xB6, 0x23, 0xF0, 0xF6)
self.assertEqual(output_expected, output)
def test_hash(self):
qn = Qryptonight()
input = [0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09,
0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07, 0x09, 0x03, 0x05, 0x07]
output = qn.hash(input)
output_expected = (
0x96, 0x76, 0x53, 0x26, 0x2F, 0x9B, 0x15, 0x90,
0xB9, 0x88, 0x0F, 0x64, 0xA3, 0x80, 0x8C, 0x4B,
0x01, 0xEA, 0x29, 0x2C, 0x48, 0xFC, 0x7C, 0x47,
0x0D, 0x25, 0x50, 0x00, 0x57, 0xCA, 0x07, 0x70,
)
self.assertEqual(output_expected, output)
def validate_mining_nonce(self,
state: State,
blockheader: BlockHeader,
enable_logging=False):
parent_metadata = state.get_block_metadata(
blockheader.prev_blockheaderhash)
parent_block = state.get_block(blockheader.prev_blockheaderhash)
measurement = state.get_measurement(blockheader.timestamp,
blockheader.prev_blockheaderhash,
parent_metadata)
diff, target = DifficultyTracker.get(
measurement=measurement,
parent_difficulty=parent_metadata.block_difficulty)
if enable_logging:
logger.debug('-----------------START--------------------')
logger.debug('Validate #%s', blockheader.block_number)
logger.debug('block.timestamp %s', blockheader.timestamp)
logger.debug('parent_block.timestamp %s', parent_block.timestamp)
logger.debug('parent_block.difficulty %s',
UInt256ToString(parent_metadata.block_difficulty))
logger.debug('diff : %s | target : %s', UInt256ToString(diff),
target)
logger.debug('-------------------END--------------------')
if not self.verify_input_cached(blockheader.mining_blob, target):
if enable_logging:
logger.warning("PoW verification failed")
qn = Qryptonight()
tmp_hash = qn.hash(blockheader.mining_blob)
logger.warning("{}".format(tmp_hash))
logger.debug('%s', blockheader.to_json())
return False
return True
def test_init(self):
qn = Qryptonight()
self.assertIsNotNone(qn)
def test_init(self):
qn = Qryptonight()
def calc_hash(input_bytes):
qn = Qryptonight()
return qn.hash(input_bytes)
