def _send_work(self):
try:
x, got_response = self.wb.get_work(
*self.wb.preprocess_request("" if self.username is None else self.username)
)
except:
log.err()
self.transport.loseConnection()
return
jobid = str(random.randrange(2 ** 128))
self.other.svc_mining.rpc_set_difficulty(
bitcoin_data.target_to_difficulty_alt(x["share_target"], self.wb.net.DUMB_SCRYPT_DIFF)
).addErrback(lambda err: None)
self.other.svc_mining.rpc_notify(
jobid, # jobid
getwork._swap4(pack.IntType(256).pack(x["previous_block"])).encode("hex"), # prevhash
x["coinb1"].encode("hex"), # coinb1
x["coinb2"].encode("hex"), # coinb2
[pack.IntType(256).pack(s).encode("hex") for s in x["merkle_link"]["branch"]], # merkle_branch
getwork._swap4(pack.IntType(32).pack(x["version"])).encode("hex"), # version
getwork._swap4(pack.IntType(32).pack(x["bits"].bits)).encode("hex"), # nbits
getwork._swap4(pack.IntType(32).pack(x["timestamp"])).encode("hex"), # ntime
True, # clean_jobs
).addErrback(lambda err: None)
self.handler_map[jobid] = x, got_response
def _send_work(self):
try:
x, got_response = self.wb.get_work(*self.wb.preprocess_request(
'' if self.username is None else self.username))
except:
log.err()
self.transport.loseConnection()
return
jobid = str(random.randrange(2**128))
self.other.svc_mining.rpc_set_difficulty(
bitcoin_data.target_to_difficulty(x['share_target']) *
self.wb.net.DUMB_SCRYPT_DIFF).addErrback(lambda err: None)
self.other.svc_mining.rpc_notify(
jobid, # jobid
getwork._swap4(pack.IntType(256).pack(
x['previous_block'])).encode('hex'), # prevhash
x['coinb1'].encode('hex'), # coinb1
x['coinb2'].encode('hex'), # coinb2
[
pack.IntType(256).pack(s).encode('hex')
for s in x['merkle_link']['branch']
], # merkle_branch
getwork._swap4(pack.IntType(32).pack(
x['version'])).encode('hex'), # version
getwork._swap4(pack.IntType(32).pack(
x['bits'].bits)).encode('hex'), # nbits
getwork._swap4(pack.IntType(32).pack(
x['timestamp'])).encode('hex'), # ntime
True, # clean_jobs
).addErrback(lambda err: None)
self.handler_map[jobid] = x, got_response
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce):
if job_id not in self.handler_map:
print >>sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
header = dict(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), x['merkle_link']),
timestamp=pack.IntType(32).unpack(getwork._swap4(ntime.decode('hex'),True)),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'),True)),
)
#print "stratum: jobid: %s" %(job_id)
#print "stratum bits: %s %X" % (hex(header['bits'].bits), header['bits'].target)
#print "stratum: timestamp: %X" % (header['timestamp'])
#print "stratum: extranonce2: %s" % (extranonce2)
#print "stratum: nonce: %s %s\n" % (hex(header['nonce']),nonce)
#print "stratum: coinb1: %s\n" % (x['coinb1'].encode('hex'))
#print "stratum: coinb2: %s\n" % (x['coinb2'].encode('hex'))
print "stratum: header: \n %s\n" % (str(header))
#print "stratum: new_packed_gentx:\n %s\n" % (new_packed_gentx.encode('hex'))
#print "stratum: merkle_root: %s \n\n" % (header['merkle_root'])
return got_response(header, worker_name, coinb_nonce)
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce):
if job_id not in self.handler_map:
print >> sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
header = dict(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(
bitcoin_data.hash256(new_packed_gentx), x['merkle_link']
), # new_packed_gentx has witness data stripped
timestamp=pack.IntType(32).unpack(
getwork._swap4(ntime.decode('hex'))),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'))),
)
# Disconnect miners with large DOA rates to prevent DoS
res = got_response(header, worker_name, coinb_nonce)
if len(self.wb._inner.my_share_hashes) > 20:
if float(len(self.wb._inner.my_doa_share_hashes)) / float(
len(self.wb._inner.my_share_hashes)) > 0.60:
self.transport.loseConnection()
# Disconnect miners with large hash > target to prevent DoS
if self.wb._inner.total_hashes > 20:
if float(self.wb._inner.invalid_hashes) / float(
self.wb._inner.total_hashes) > 0.05:
self.transport.loseConnection()
return res
def _send_work(self):
try:
x, got_response = self.wb.get_work(*self.wb.preprocess_request('' if self.username is None else self.username))
except:
log.err()
self.transport.loseConnection()
return
jobid = str(random.randrange(2**128))
clean_jobs = False
if x['previous_block'] != self.previous_block:
clean_jobs = True
self.previous_block = x['previous_block']
self.other.svc_mining.rpc_set_difficulty(bitcoin_data.target_to_difficulty(x['share_target'])*self.wb.net.DUMB_SCRYPT_DIFF).addErrback(lambda err: None)
self.other.svc_mining.rpc_notify(
jobid, # jobid
getwork._swap4(pack.IntType(256).pack(x['previous_block'])).encode('hex'), # prevhash
x['coinb1'].encode('hex'), # coinb1
x['coinb2'].encode('hex'), # coinb2
[pack.IntType(256).pack(s).encode('hex') for s in x['merkle_link']['branch']], # merkle_branch
getwork._swap4(pack.IntType(32).pack(x['version'])).encode('hex'), # version
getwork._swap4(pack.IntType(32).pack(x['bits'].bits)).encode('hex'), # nbits
getwork._swap4(pack.IntType(32).pack(x['timestamp'])).encode('hex'), # ntime
clean_jobs, # clean_jobs
).addErrback(lambda err: None)
self.handler_map[jobid] = x, got_response
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce):
if job_id not in self.handler_map:
print >>sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = getwork._swap4(extranonce2.decode('hex'))
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
#build header
header = dict(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), x['merkle_link']),
timestamp=pack.IntType(32).unpack(getwork._swap4(ntime.decode('hex'),True)),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'),True)),
)
#print "stratum: nonce %s extranonce2: %s" %(nonce, extranonce2)
# print "stratum: header:%s\n" % (str(header))
# print "stratum: merkle_root %s" % (hex(header['merkle_root']))
# print "stratum: merkle_link %s" % (repr(x['merkle_link']))
# print "stratum: new_packed_gentx %s" % (repr(new_packed_gentx))
#
#definition of got_response is in work.py
return got_response(header, worker_name, coinb_nonce)
def _send_work(self):
try:
x, got_response = self.wb.get_work(*self.wb.preprocess_request('' if self.username is None else self.username))
except:
log.err()
self.transport.loseConnection()
return
if self.desired_pseudoshare_target: # Not none or zero, if we calculate better Difficulty setting?
self.fixed_target = True
# set new target for difficulty, based on time for it's generation?
self.target = self.desired_pseudoshare_target
self.target = max(self.target, int(x['bits'].target))
else:
self.fixed_target = False
self.target = x['share_target'] if self.target == None else max(x['min_share_target'], self.target)
jobid = str(random.randrange(2**128))
self.other.svc_mining.rpc_set_difficulty(bitcoin_data.target_to_difficulty(self.target)*self.wb.net.DUMB_SCRYPT_DIFF).addErrback(lambda err: None)
self.other.svc_mining.rpc_notify(
jobid, # jobid
getwork._swap4(pack.IntType(256).pack(x['previous_block'])).encode('hex'), # prevhash
x['coinb1'].encode('hex'), # coinb1
x['coinb2'].encode('hex'), # coinb2
[pack.IntType(256).pack(s).encode('hex') for s in x['merkle_link']['branch']], # merkle_branch
getwork._swap4(pack.IntType(32).pack(x['version'])).encode('hex'), # version
getwork._swap4(pack.IntType(32).pack(x['bits'].bits)).encode('hex'), # nbits
getwork._swap4(pack.IntType(32).pack(x['timestamp'])).encode('hex'), # ntime
True, # clean_jobs
).addErrback(lambda err: None)
self.handler_map[jobid] = x, got_response
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce, version_bits = None, *args):
#asicboost: version_bits is the version mask that the miner used
worker_name = worker_name.strip()
if job_id not in self.handler_map:
print >>sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
#self.other.svc_client.rpc_reconnect().addErrback(lambda err: None)
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
job_version = x['version']
nversion = job_version
#check if miner changed bits that they were not supposed to change
if version_bits:
if ((~self.pool_version_mask) & int(version_bits,16)) != 0:
#todo: how to raise error back to miner?
#protocol does not say error needs to be returned but ckpool returns
#{"error": "Invalid version mask", "id": "id", "result":""}
raise ValueError("Invalid version mask {0}".format(version_bits))
nversion = (job_version & ~self.pool_version_mask) | (int(version_bits,16) & self.pool_version_mask)
#nversion = nversion & int(version_bits,16)
header = dict(
version=nversion,
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), x['merkle_link']), # new_packed_gentx has witness data stripped
timestamp=pack.IntType(32).unpack(getwork._swap4(ntime.decode('hex'))),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'))),
)
result = got_response(header, worker_name, coinb_nonce, self.target) # self.target from RPC response
# adjust difficulty on this stratum to target ~10sec/pseudoshare!!!
if not self.fixed_target:
self.recent_shares.append(time.time())
if len(self.recent_shares) > 12 or (time.time() - self.recent_shares[0]) > 10*len(self.recent_shares)*self.share_rate:
old_time = self.recent_shares[0]
del self.recent_shares[0]
olddiff = bitcoin_data.target_to_difficulty(self.target)
# calculate new target based on time needed for generating previous shares
self.target = int(self.target * clip((time.time() - old_time)/(len(self.recent_shares)*self.share_rate), 0.5, 2.) + 0.5)
newtarget = clip(self.target, self.wb.net.SANE_TARGET_RANGE[0], self.wb.net.SANE_TARGET_RANGE[1])
if newtarget != self.target:
print "Clipping target from %064x to %064x" % (self.target, newtarget)
self.target = newtarget
self.target = max(x['min_share_target'], self.target)
self.recent_shares = [time.time()]
self._send_work()
return result
def _send_work(self):
x, got_response = self.wb.get_work(*self.wb.preprocess_request('' if self.username is None else self.username))
jobid = str(random.randrange(2**128))
self.other.svc_mining.rpc_set_difficulty(bitcoin_data.target_to_difficulty(x['share_target'])).addErrback(lambda err: None)
self.other.svc_mining.rpc_notify(
jobid, # jobid
getwork._swap4(pack.IntType(256).pack(x['previous_block'])).encode('hex'), # prevhash
x['coinb1'].encode('hex'), # coinb1
x['coinb2'].encode('hex'), # coinb2
[pack.IntType(256).pack(s).encode('hex') for s in x['merkle_link']['branch']], # merkle_branch
getwork._swap4(pack.IntType(32).pack(x['version'])).encode('hex'), # version
getwork._swap4(pack.IntType(32).pack(x['bits'].bits)).encode('hex'), # nbits
getwork._swap4(pack.IntType(32).pack(x['timestamp'])).encode('hex'), # ntime
True, # clean_jobs
).addErrback(lambda err: None)
self.handler_map[jobid] = x, got_response
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce):
if job_id not in self.handler_map:
print >>sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
header = dict(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.sha3(new_packed_gentx), x['merkle_link']),
timestamp=pack.IntType(32).unpack(getwork._swap4(ntime.decode('hex'))),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'))),
)
return got_response(header, worker_name, coinb_nonce)
def rpc_submit(self,
worker_name,
job_id,
extranonce2,
ntime,
nonce,
version_bits=None,
*args):
#asicboost: version_bits is the version mask that the miner used
worker_name = worker_name.strip()
if job_id not in self.handler_map:
print >> sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
#self.other.svc_client.rpc_reconnect().addErrback(lambda err: None)
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
job_version = x['version']
nversion = job_version
#check if miner changed bits that they were not supposed to change
#print version_bits
if version_bits:
if ((~self.pool_version_mask) & int(version_bits, 16)) != 0:
#todo: how to raise error back to miner?
#protocol does not say error needs to be returned but ckpool returns
#{"error": "Invalid version mask", "id": "id", "result":""}
raise ValueError(
"Invalid version mask {0}".format(version_bits))
nversion = (job_version & ~self.pool_version_mask) | (
int(version_bits, 16) & self.pool_version_mask)
#nversion = nversion & int(version_bits,16)
header = dict(
version=nversion,
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(
bitcoin_data.hash256(new_packed_gentx), x['merkle_link']
), # new_packed_gentx has witness data stripped
timestamp=pack.IntType(32).unpack(
getwork._swap4(ntime.decode('hex'))),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'))),
)
return got_response(header, worker_name, coinb_nonce)