def submit(self, header, worker_name):
# Drop unused padding
header = header[:160]
# 1. Check if blockheader meets requested difficulty
header_bin = binascii.unhexlify(header[:160])
rev = ''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ])
hash_bin = utils.doublesha(rev)
block_hash = ''.join([ hash_bin[i*4:i*4+4][::-1] for i in range(0, 8) ])
#log.info('!!! %s' % header[:160])
log.info("Submitting %s" % utils.format_hash(binascii.hexlify(block_hash)))
if utils.uint256_from_str(hash_bin) > self.target:
log.debug("Share is below expected target")
return True
# 2. Lookup for job and extranonce used for creating given block header
try:
(job, extranonce2) = self.get_job_from_header(header)
except KeyError:
log.info("Job not found")
return False
# 3. Format extranonce2 to hex string
extranonce2_hex = binascii.hexlify(self.extranonce2_padding(extranonce2))
# 4. Parse ntime and nonce from header
ntimepos = 17*8 # 17th integer in datastring
noncepos = 19*8 # 19th integer in datastring
ntime = header[ntimepos:ntimepos+8]
nonce = header[noncepos:noncepos+8]
# 5. Submit share to the pool
return self.f.rpc('mining.submit', [worker_name, job.job_id, extranonce2_hex, ntime, nonce])
def submit(self, newjob, nonce, worker_name):
#job_id = newjob['library_number']
#merkle = newjob['solutions']
ntime = newjob['timestamp']
merkle = ''.join('{:02x}'.format(x) for x in newjob['merkle tree root'])
# 2. Lookup for job and extranonce used for creating given block header
try:
(job, extranonce2) = self.get_job_from_merkle(merkle)
except KeyError:
log.info("Job not found from merkle")
return False
### GET HEADER
header = job.serialize_header(merkle, ntime, nonce)
#print(header[:160])
### BELOW IS LIKE SUBMIT(header, worker_name)
# Drop unused padding
header = header[:160]
# 1. Check if blockheader meets requested difficulty
header_bin = binascii.unhexlify(header[:160])
rev = ''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ])
hash_bin = utils.doublesha(rev)
block_hash = ''.join([ hash_bin[i*4:i*4+4][::-1] for i in range(0, 8) ])
if utils.uint256_from_str(hash_bin) > self.target:
log.debug("Share is below expected target")
return True
else:
#log.info('!!! %s' % header[:160])
log.info("Submitting %s" % utils.format_hash(binascii.hexlify(block_hash)))
# 2. Lookup for job and extranonce used for creating given block header
try:
(job, extranonce2) = self.get_job_from_header(header)
except KeyError:
log.info("Job not found from header")
return False
# 3. Format extranonce2 to hex string
extranonce2_hex = binascii.hexlify(self.extranonce2_padding(extranonce2))
# 4. Parse ntime and nonce from header
ntimepos = 17*8 # 17th integer in datastring
noncepos = 19*8 # 19th integer in datastring
ntime = header[ntimepos:ntimepos+8]
nonce = header[noncepos:noncepos+8]
# 5. Submit share to the pool
#print(worker_name, job.job_id, extranonce2_hex, ntime, nonce)
return self.f.rpc('mining.submit', [worker_name, job.job_id, extranonce2_hex, ntime, nonce])
def getwork(self, no_midstate=True):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2(self.randomize_xn2)
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
log.debug('XN = %s' % (binascii.hexlify(extranonce)))
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Prepare hash1, calculate midstate and fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
hash1 = "00000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000010000"
result = {'data': block_header,
'hash1': hash1}
if self.use_old_target:
result['target'] = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000'
elif self.real_target:
result['target'] = self.target_hex
else:
result['target'] = self.target1_hex
if calculateMidstate and not (no_midstate or self.no_midstate):
# Midstate module not found or disabled
result['midstate'] = binascii.hexlify(calculateMidstate(header_bin))
return result
def getwork(self, no_midstate=True):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2()
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(
utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Prepare hash1, calculate midstate and fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
hash1 = "00000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000010000"
result = {'data': block_header, 'hash1': hash1}
if self.use_old_target:
result[
'target'] = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000'
elif self.real_target:
result['target'] = self.target_hex
else:
result['target'] = self.target1_hex
if calculateMidstate and not (no_midstate or self.no_midstate):
# Midstate module not found or disabled
result['midstate'] = binascii.hexlify(
calculateMidstate(header_bin))
return result
def getwork(self):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2()
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(
utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
result = {'data': block_header}
result['target'] = self.target_hex
return result
def getwork(self):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2()
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
result = {'data': block_header}
result['target'] = self.target_hex
return result
def build_merkle_root(self, coinbase_hash):
merkle_root = coinbase_hash
for h in self.merkle_branch:
merkle_root = utils.doublesha(merkle_root + h)
return merkle_root
def getwork(self, no_midstate=True):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2()
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Prepare hash1, calculate midstate and fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
hash1 = "00000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000010000"
result = {'data': block_header,
'hash1': hash1}
if self.use_old_target:
result['target'] = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000'
elif self.real_target:
result['target'] = self.target_hex
else:
result['target'] = self.target1_hex
if calculateMidstate and not (no_midstate or self.no_midstate):
# Midstate module not found or disabled
result['midstate'] = binascii.hexlify(calculateMidstate(header_bin))
#'''
newjob = {}
newjob['version'] = int(job.version)
newjob['previous block hash'] = list(bytearray(binascii.unhexlify(job.prevhash))) #array.array('B', binascii.unhexlify(job.prevhash))
newjob['merkle tree root'] = list(bytearray(binascii.unhexlify(merkle_root))) #array.array('B', binascii.unhexlify(merkle_root))
newjob['timestamp'] = ntime
newjob['bits'] = list(bytearray(binascii.unhexlify(job.nbits)))
newjob['starting nonce'] = 0
newjob['nonce loops'] = 0
newjob['ntime loops'] = 0
'''
prevhash = "0000000000000000066d65d43c939518101df3e56d983375b5ae9c502c32b801"
xprev = map(ord, binascii.unhexlify(prevhash)) #array.array('B', binascii.unhexlify(job.prevhash))
merkle_root = "aa8eca0f15bff273918b20e66a559fb5b8d53342fc8127581c9d34fd96990f95"
xmerk = map(ord, binascii.unhexlify(merkle_root)) #array.array('B', binascii.unhexlify(merkle_root))
version = 2
timestamp = 1401405809
bits = 409544770
newjob = {}
newjob['version'] = version
newjob['previous block hash'] = xprev[::-1]
newjob['merkle tree root'] = xmerk[::-1]
newjob['timestamp'] = timestamp
newjob['bits'] = bits
newjob['starting nonce'] = 0
newjob['nonce loops'] = 0
newjob['ntime loops'] = 0
#'''
return newjob
def build_merkle_root(self, coinbase_hash):
merkle_root = coinbase_hash
for h in self.merkle_branch:
merkle_root = utils.doublesha(merkle_root + h)
return merkle_root
def submit(self, newjob, nonce, worker_name):
#job_id = newjob['library_number']
#merkle = newjob['solutions']
ntime = newjob['timestamp']
merkle = ''.join('{:02x}'.format(x)
for x in newjob['merkle tree root'])
# 2. Lookup for job and extranonce used for creating given block header
try:
(job, extranonce2) = self.get_job_from_merkle(merkle)
except KeyError:
log.info("Job not found from merkle")
return False
### GET HEADER
header = job.serialize_header(merkle, ntime, nonce)
#print(header[:160])
### BELOW IS LIKE SUBMIT(header, worker_name)
# Drop unused padding
header = header[:160]
# 1. Check if blockheader meets requested difficulty
header_bin = binascii.unhexlify(header[:160])
rev = ''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)])
hash_bin = utils.doublesha(rev)
block_hash = ''.join(
[hash_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 8)])
if utils.uint256_from_str(hash_bin) > self.target:
log.debug("Share is below expected target")
return True
else:
#log.info('!!! %s' % header[:160])
log.info("Submitting %s" %
utils.format_hash(binascii.hexlify(block_hash)))
# 2. Lookup for job and extranonce used for creating given block header
try:
(job, extranonce2) = self.get_job_from_header(header)
except KeyError:
log.info("Job not found from header")
return False
# 3. Format extranonce2 to hex string
extranonce2_hex = binascii.hexlify(
self.extranonce2_padding(extranonce2))
# 4. Parse ntime and nonce from header
ntimepos = 17 * 8 # 17th integer in datastring
noncepos = 19 * 8 # 19th integer in datastring
ntime = header[ntimepos:ntimepos + 8]
nonce = header[noncepos:noncepos + 8]
# 5. Submit share to the pool
#print(worker_name, job.job_id, extranonce2_hex, ntime, nonce)
return self.f.rpc(
'mining.submit',
[worker_name, job.job_id, extranonce2_hex, ntime, nonce])
def getwork(self, no_midstate=True):
'''Miner requests for new getwork'''
job = self.last_job # Pick the latest job from pool
# 1. Increase extranonce2
extranonce2 = job.increase_extranonce2()
# 2. Build final extranonce
extranonce = self.build_full_extranonce(extranonce2)
# 3. Put coinbase transaction together
coinbase_bin = job.build_coinbase(extranonce)
# 4. Calculate coinbase hash
coinbase_hash = utils.doublesha(coinbase_bin)
# 5. Calculate merkle root
merkle_root = binascii.hexlify(
utils.reverse_hash(job.build_merkle_root(coinbase_hash)))
# 6. Generate current ntime
ntime = int(time.time()) + job.ntime_delta
# 7. Serialize header
block_header = job.serialize_header(merkle_root, ntime, 0)
# 8. Register job params
self.register_merkle(job, merkle_root, extranonce2)
# 9. Prepare hash1, calculate midstate and fill the response object
header_bin = binascii.unhexlify(block_header)[:64]
hash1 = "00000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000010000"
result = {'data': block_header, 'hash1': hash1}
if self.use_old_target:
result[
'target'] = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000'
elif self.real_target:
result['target'] = self.target_hex
else:
result['target'] = self.target1_hex
if calculateMidstate and not (no_midstate or self.no_midstate):
# Midstate module not found or disabled
result['midstate'] = binascii.hexlify(
calculateMidstate(header_bin))
#'''
newjob = {}
newjob['version'] = int(job.version)
newjob['previous block hash'] = list(
bytearray(binascii.unhexlify(job.prevhash))
) #array.array('B', binascii.unhexlify(job.prevhash))
newjob['merkle tree root'] = list(
bytearray(binascii.unhexlify(merkle_root))
) #array.array('B', binascii.unhexlify(merkle_root))
newjob['timestamp'] = ntime
newjob['bits'] = list(bytearray(binascii.unhexlify(job.nbits)))
newjob['starting nonce'] = 0
newjob['nonce loops'] = 0
newjob['ntime loops'] = 0
'''
prevhash = "0000000000000000066d65d43c939518101df3e56d983375b5ae9c502c32b801"
xprev = map(ord, binascii.unhexlify(prevhash)) #array.array('B', binascii.unhexlify(job.prevhash))
merkle_root = "aa8eca0f15bff273918b20e66a559fb5b8d53342fc8127581c9d34fd96990f95"
xmerk = map(ord, binascii.unhexlify(merkle_root)) #array.array('B', binascii.unhexlify(merkle_root))
version = 2
timestamp = 1401405809
bits = 409544770
newjob = {}
newjob['version'] = version
newjob['previous block hash'] = xprev[::-1]
newjob['merkle tree root'] = xmerk[::-1]
newjob['timestamp'] = timestamp
newjob['bits'] = bits
newjob['starting nonce'] = 0
newjob['nonce loops'] = 0
newjob['ntime loops'] = 0
#'''
return newjob
