def decode(self, server, block_header, target, job_id = None, extranonce2 = None):
if block_header:
job = Object()
binary_data = block_header.decode('hex')
data0 = np.zeros(64, np.uint32)
data0 = np.insert(data0, [0] * 16, unpack('IIIIIIIIIIIIIIII', binary_data[:64]))
job.target = np.array(unpack('IIIIIIII', target.decode('hex')), dtype=np.uint32)
job.header = binary_data[:68]
job.merkle_end = np.uint32(unpack('I', binary_data[64:68])[0])
job.time = np.uint32(unpack('I', binary_data[68:72])[0])
job.difficulty = np.uint32(unpack('I', binary_data[72:76])[0])
job.state = sha256(STATE, data0)
job.f = np.zeros(8, np.uint32)
job.state2 = partial(job.state, job.merkle_end, job.time, job.difficulty, job.f)
job.targetQ = 2**256 / int(''.join(list(chunks(target, 2))[::-1]), 16)
job.job_id = job_id
job.extranonce2 = extranonce2
job.server = server
calculateF(job.state, job.merkle_end, job.time, job.difficulty, job.f, job.state2)
if job.difficulty != self.difficulty:
self.set_difficulty(job.difficulty)
return job
def decode(self, server, block_header, target, job_id = None, extranonce2 = None):
if block_header:
job = Object()
binary_data = block_header.decode('hex')
data0 = np.zeros(64, np.uint32)
data0 = np.insert(data0, [0] * 16, unpack('IIIIIIIIIIIIIIII', binary_data[:64]))
job.target = np.array(unpack('IIIIIIII', target.decode('hex')), dtype=np.uint32)
job.header = binary_data[:68]
job.merkle_end = np.uint32(unpack('I', binary_data[64:68])[0])
job.time = np.uint32(unpack('I', binary_data[68:72])[0])
job.difficulty = np.uint32(unpack('I', binary_data[72:76])[0])
job.state = sha256(STATE, data0)
job.f = np.zeros(8, np.uint32)
job.state2 = partial(job.state, job.merkle_end, job.time, job.difficulty, job.f)
job.targetQ = 2**256 / int(''.join(list(chunks(target, 2))[::-1]), 16)
job.job_id = job_id
job.extranonce2 = extranonce2
job.server = server
calculateF(job.state, job.merkle_end, job.time, job.difficulty, job.f, job.state2)
if job.difficulty != self.difficulty:
self.set_difficulty(job.difficulty)
return job
def decode(self, server, block_header, target, job_id = None, extranonce2 = None):
if block_header:
job = Object()
binary_data = block_header.decode('hex')
#data0 = list(unpack('<16I', binary_data[:64])) + ([0] * 48)
job.headerX = binary_data[:76]
job.dataX = unpack('<19I', job.headerX)
job.target = unpack('<8I', target.decode('hex'))
job.header = binary_data[:68]
job.merkle_end = uint32(unpack('<I', binary_data[64:68])[0])
job.time = uint32(unpack('<I', binary_data[68:72])[0])
job.difficulty = uint32(unpack('<I', binary_data[72:76])[0])
# job.state = sha256(STATE, data0)
job.targetQ = 2**256 / int(''.join(list(chunks(target, 2))[::-1]), 16)
job.job_id = job_id
job.extranonce2 = extranonce2
job.server = server
if job.difficulty != self.difficulty:
self.set_difficulty(job.difficulty)
return job
def decode(self,
server,
block_header,
target,
job_id=None,
extranonce2=None):
if block_header:
job = Object()
binary_data = block_header.decode('hex')
data0 = list(unpack('<16I', binary_data[:64])) + ([0] * 48)
job.target = unpack('<8I', target.decode('hex'))
job.header = binary_data[:68]
job.merkle_end = uint32(unpack('<I', binary_data[64:68])[0])
job.time = uint32(unpack('<I', binary_data[68:72])[0])
job.difficulty = uint32(unpack('<I', binary_data[72:76])[0])
job.state = sha256(STATE, data0)
job.targetQ = 2**256 / int(''.join(list(chunks(target, 2))[::-1]),
16)
job.job_id = job_id
job.extranonce2 = extranonce2
job.server = server
if job.difficulty != self.difficulty:
self.set_difficulty(job.difficulty)
return job
def handle_message(self, message):
#Miner API
if 'method' in message:
#mining.notify
if message['method'] == 'mining.notify':
params = message['params']
j = Object()
j.job_id = params[0]
j.prevhash = params[1]
j.coinbase1 = params[2]
j.coinbase2 = params[3]
j.merkle_branch = params[4]
j.version = params[5]
j.nbits = params[6]
j.ntime = params[7]
clear_jobs = params[8]
if clear_jobs:
self.jobs.clear()
j.extranonce2 = self.extranonce2_size * '00'
j = self.refresh_job(j)
self.jobs[j.job_id] = j
self.current_job = j
self.queue_work(j)
self.switch.connection_ok()
#mining.get_version
if message['method'] == 'mining.get_version':
with self.send_lock:
self.send_message({
"error": None,
"id": message['id'],
"result": self.user_agent
})
#mining.set_difficulty
elif message['method'] == 'mining.set_difficulty':
say_line("Setting new difficulty: %s", message['params'][0])
self.server_difficulty = BASE_DIFFICULTY / message['params'][0]
#client.reconnect
elif message['method'] == 'client.reconnect':
address, port = self.server().host.split(':', 1)
(new_address, new_port, timeout) = message['params'][:3]
if new_address: address = new_address
if new_port != None: port = new_port
say_line("%s asked us to reconnect to %s:%d in %d seconds",
(self.server().name, address, port, timeout))
self.server().host = address + ':' + str(port)
Timer(timeout, self.reconnect).start()
#client.add_peers
elif message['method'] == 'client.add_peers':
hosts = [{
'host': host[0],
'port': host[1]
} for host in message['params'][0]]
self.switch.add_servers(hosts)
#responses to server API requests
elif 'result' in message:
#response to mining.subscribe
#store extranonce and extranonce2_size
if message['id'] == 's':
self.extranonce = message['result'][1]
self.extranonce2_size = message['result'][2]
self.subscribed = True
#check if this is submit confirmation (message id should be in submits dictionary)
#cleanup if necessary
elif message['id'] in self.submits:
miner, nonce = self.submits[message['id']][:2]
accepted = message['result']
self.switch.report(miner, nonce, accepted)
del self.submits[message['id']]
if time() - self.last_submits_cleanup > 3600:
now = time()
for key, value in self.submits.items():
if now - value[2] > 3600:
del self.submits[key]
self.last_submits_cleanup = now
#response to mining.authorize
elif message['id'] == self.server().user:
if not message['result']:
say_line('authorization failed with %s:%s@%s',
(self.server().user, self.server().pwd,
self.server().host))
self.authorized = False
else:
self.authorized = True
def mining_thread(self):
say_line('started OpenCL miner on platform %d, device %d (%s)', (self.options.platform, self.device_index, self.device_name))
(self.defines, rate_divisor, hashspace) = if_else(self.vectors, ('-DVECTORS', 500, 0x7FFFFFFF), ('', 1000, 0xFFFFFFFF))
self.defines += (' -DOUTPUT_SIZE=' + str(self.output_size))
self.defines += (' -DOUTPUT_MASK=' + str(self.output_size - 1))
self.load_kernel()
frame = 1.0 / max(self.frames, 3)
unit = self.worksize * 256
global_threads = unit * 10
queue = cl.CommandQueue(self.context)
last_rated_pace = last_rated = last_n_time = last_temperature = time()
base = last_hash_rate = threads_run_pace = threads_run = 0
output = np.zeros(self.output_size + 1, np.uint32)
output_buffer = cl.Buffer(self.context, cl.mem_flags.WRITE_ONLY | cl.mem_flags.USE_HOST_PTR, hostbuf=output)
self.kernel.set_arg(20, output_buffer)
work = None
temperature = 0
while True:
if self.should_stop: return
sleep(self.frameSleep)
if (not work) or (not self.work_queue.empty()):
try:
work = self.work_queue.get(True, 1)
except Empty: continue
else:
if not work: continue
nonces_left = hashspace
state = work.state
state2 = work.state2
f = work.f
self.kernel.set_arg(0, state[0])
self.kernel.set_arg(1, state[1])
self.kernel.set_arg(2, state[2])
self.kernel.set_arg(3, state[3])
self.kernel.set_arg(4, state[4])
self.kernel.set_arg(5, state[5])
self.kernel.set_arg(6, state[6])
self.kernel.set_arg(7, state[7])
self.kernel.set_arg(8, state2[1])
self.kernel.set_arg(9, state2[2])
self.kernel.set_arg(10, state2[3])
self.kernel.set_arg(11, state2[5])
self.kernel.set_arg(12, state2[6])
self.kernel.set_arg(13, state2[7])
self.kernel.set_arg(15, f[0])
self.kernel.set_arg(16, f[1])
self.kernel.set_arg(17, f[2])
self.kernel.set_arg(18, f[3])
self.kernel.set_arg(19, f[4])
if temperature < self.cutoff_temp:
self.kernel.set_arg(14, pack('I', base))
cl.enqueue_nd_range_kernel(queue, self.kernel, (global_threads,), (self.worksize,))
nonces_left -= global_threads
threads_run_pace += global_threads
threads_run += global_threads
base = uint32(base + global_threads)
else:
threads_run_pace = 0
last_rated_pace = time()
sleep(self.cutoff_interval)
now = time()
if self.adapterIndex != None:
t = now - last_temperature
if temperature >= self.cutoff_temp or t > 1:
last_temperature = now
with adl_lock:
temperature = self.get_temperature()
t = now - last_rated_pace
if t > 1:
rate = (threads_run_pace / t) / rate_divisor
last_rated_pace = now; threads_run_pace = 0
r = last_hash_rate / rate
if r < 0.9 or r > 1.1:
global_threads = max(unit * int((rate * frame * rate_divisor) / unit), unit)
last_hash_rate = rate
t = now - last_rated
if t > self.options.rate:
self.update_rate(now, threads_run, t, work.targetQ, rate_divisor)
last_rated = now; threads_run = 0
queue.finish()
cl.enqueue_read_buffer(queue, output_buffer, output)
queue.finish()
if output[self.output_size]:
result = Object()
result.header = work.header
result.merkle_end = work.merkle_end
result.time = work.time
result.difficulty = work.difficulty
result.target = work.target
result.state = np.array(state)
result.nonces = np.array(output)
result.job_id = work.job_id
result.extranonce2 = work.extranonce2
result.server = work.server
result.miner = self
self.switch.put(result)
output.fill(0)
cl.enqueue_write_buffer(queue, output_buffer, output)
if not self.switch.update_time:
if nonces_left < 3 * global_threads * self.frames:
self.update = True
nonces_left += 0xFFFFFFFFFFFF
elif 0xFFFFFFFFFFF < nonces_left < 0xFFFFFFFFFFFF:
say_line('warning: job finished, %s is idle', self.id())
work = None
elif now - last_n_time > 1:
work.time = bytereverse(bytereverse(work.time) + 1)
state2 = partial(state, work.merkle_end, work.time, work.difficulty, f)
calculateF(state, work.merkle_end, work.time, work.difficulty, f, state2)
self.kernel.set_arg(8, state2[1])
self.kernel.set_arg(9, state2[2])
self.kernel.set_arg(10, state2[3])
self.kernel.set_arg(11, state2[5])
self.kernel.set_arg(12, state2[6])
self.kernel.set_arg(13, state2[7])
self.kernel.set_arg(15, f[0])
self.kernel.set_arg(16, f[1])
self.kernel.set_arg(17, f[2])
self.kernel.set_arg(18, f[3])
self.kernel.set_arg(19, f[4])
last_n_time = now
self.update_time_counter += 1
if self.update_time_counter >= self.switch.max_update_time:
self.update = True
self.update_time_counter = 1
def handle_message(self, message):
#Miner API
if 'method' in message:
#mining.notify
if message['method'] == 'mining.notify':
params = message['params']
j = Object()
j.job_id = params[0]
j.prevhash = params[1]
j.coinbase1 = params[2]
j.coinbase2 = params[3]
j.merkle_branch = params[4]
j.version = params[5]
j.nbits = params[6]
j.ntime = params[7]
clear_jobs = params[8]
if clear_jobs:
self.jobs.clear()
j.extranonce2 = self.extranonce2_size * '00'
j = self.refresh_job(j)
self.jobs[j.job_id] = j
self.current_job = j
self.queue_work(j)
self.switch.connection_ok()
#mining.get_version
if message['method'] == 'mining.get_version':
with self.send_lock:
self.send_message({"error": None, "id": message['id'], "result": self.user_agent})
#mining.set_difficulty
elif message['method'] == 'mining.set_difficulty':
say_line("Setting new difficulty: %s", message['params'][0])
self.server_difficulty = BASE_DIFFICULTY / message['params'][0]
#client.reconnect
elif message['method'] == 'client.reconnect':
address, port = self.server().host.split(':', 1)
(new_address, new_port, timeout) = message['params'][:3]
if new_address: address = new_address
if new_port != None: port = new_port
say_line("%s asked us to reconnect to %s:%d in %d seconds", (self.server().name, address, port, timeout))
self.server().host = address + ':' + str(port)
Timer(timeout, self.reconnect).start()
#client.add_peers
elif message['method'] == 'client.add_peers':
hosts = [{'host': host[0], 'port': host[1]} for host in message['params'][0]]
self.switch.add_servers(hosts)
#responses to server API requests
elif 'result' in message:
#response to mining.subscribe
#store extranonce and extranonce2_size
if message['id'] == 's':
self.extranonce = message['result'][1]
self.extranonce2_size = message['result'][2]
self.subscribed = True
#check if this is submit confirmation (message id should be in submits dictionary)
#cleanup if necessary
elif message['id'] in self.submits:
miner, nonce = self.submits[message['id']][:2]
accepted = message['result']
self.switch.report(miner, nonce, accepted)
del self.submits[message['id']]
if time() - self.last_submits_cleanup > 3600:
now = time()
for key, value in self.submits.items():
if now - value[2] > 3600:
del self.submits[key]
self.last_submits_cleanup = now
#response to mining.authorize
elif message['id'] == self.server().user:
if not message['result']:
say_line('authorization failed with %s:%s@%s', (self.server().user, self.server().pwd, self.server().host))
self.authorized = False
else:
self.authorized = True
def mining_thread(self):
say_line('started OpenCL miner on platform %d, device %d (%s)', (self.options.platform, self.device_index, self.device_name))
(self.defines, rate_divisor, hashspace) = ('', 1000, 0xFFFFFFFF)
self.defines += (' -D%sOUTPUT_SIZE=%s' % (self.defspace, str(self.output_size)))
self.defines += (' -D%sOUTPUT_MASK=%s' % (self.defspace, str(self.output_size - 1)))
self.defines += (' -D%sENDIAN_LITTLE=%d' % (self.defspace, self.device.endian_little))
self.defines += (' -D%sGPU_AMD=%d' % (self.defspace, self.gpu_amd))
self.defines += (' -I%s%s' % (self.defspace, os.getcwd()))
say_line("Compiler defines: %s", self.defines)
self.load_kernel()
frame = 1.0 / max(self.frames, 3)
unit = self.worksize * 256
global_threads = unit * 10
queue = cl.CommandQueue(self.context)
last_rated_pace = last_rated = last_n_time = last_temperature = time()
base = last_hash_rate = threads_run_pace = threads_run = 0
output = bytearray((self.output_size + 1) * 4)
output_buffer = cl.Buffer(self.context, cl.mem_flags.WRITE_ONLY | cl.mem_flags.USE_HOST_PTR, hostbuf=output)
self.kernel.set_arg(12, output_buffer)
work = None
temperature = 0
while True:
if self.should_stop: return
sleep(self.frameSleep)
if (not work) or (not self.work_queue.empty()):
try:
work = self.work_queue.get(True, 1)
except Empty: continue
else:
if not work: continue
nonces_left = hashspace
self.queue_kernel_parameters(work)
if temperature < self.cutoff_temp:
self.kernel.set_arg(11, pack('<I', base))
cl.enqueue_nd_range_kernel(queue, self.kernel, (global_threads,), (self.worksize,))
nonces_left -= global_threads
threads_run_pace += global_threads
threads_run += global_threads
base = uint32(base + global_threads)
else:
threads_run_pace = 0
last_rated_pace = time()
sleep(self.cutoff_interval)
now = time()
if self.adapterIndex is not None:
t = now - last_temperature
if temperature >= self.cutoff_temp or t > 1:
last_temperature = now
with adl_lock:
self.temperature = self.get_temperature()
temperature = self.temperature
t = now - last_rated_pace
if t > 1:
rate = (threads_run_pace / t) / rate_divisor
last_rated_pace = now; threads_run_pace = 0
r = last_hash_rate / rate
if r < 0.9 or r > 1.1:
global_threads = max(unit * int((rate * frame * rate_divisor) / unit), unit)
last_hash_rate = rate
t = now - last_rated
if t > self.options.rate:
self.update_rate(now, threads_run, t, work.targetQ, rate_divisor)
last_rated = now; threads_run = 0
queue.finish()
cl.enqueue_read_buffer(queue, output_buffer, output)
queue.finish()
if output[-1]:
result = Object()
result.header = work.header
result.headerX = work.headerX
result.merkle_end = work.merkle_end
result.time = work.time
result.difficulty = work.difficulty
result.target = work.target
result.dataX = work.dataX[:]
result.nonces = output[:]
result.job_id = work.job_id
result.extranonce2 = work.extranonce2
result.server = work.server
result.miner = self
self.switch.put(result)
output[:] = b'\x00' * len(output)
cl.enqueue_write_buffer(queue, output_buffer, output)
for miner in self.switch.miners:
miner.update = True
if not self.switch.update_time:
if nonces_left < 6 * global_threads * self.frames:
self.update = True
nonces_left += 0xFFFFFFFFFFFF
elif 0xFFFFFFFFFFF < nonces_left < 0xFFFFFFFFFFFF:
say_line('warning: job finished, %s is idle', self.id())
work = None
elif now - last_n_time > 1:
last_n_time = now
self.update_time_counter += 1
if self.update_time_counter >= self.switch.max_update_time:
self.update = True
self.update_time_counter = 1
