def prepareGetBlockMessage(hash):
get_blocks_message = struct.pack('i', PROTOCOL_VERSION)
get_blocks_message += struct.pack('B', 1)
get_blocks_message += struct.pack('32s', reverse_hash(bytes.fromhex(hash)))
get_blocks_message += struct.pack('>32s', b'\x00' * 32)
return get_blocks_message
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 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 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