def generate_hashes_from_block(data_block, algorithm):
if algorithm == 'scrypt':
return scrypt.hash(data_block,data_block,1024,1,1,32)[::-1]
elif algorithm == 'SHA256':
return hashlib.sha256(hashlib.sha256(data_block).digest()).digest()[::-1]
elif algorithm == 'X11':
try:
import xcoin_hash
header_hash = xcoin_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X11 algorithm: module xcoin_hash not found")
elif algorithm == 'X13':
try:
import x13_hash
return x13_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X13 algorithm: module x13_hash not found")
elif algorithm == 'X15':
try:
import x15_hash
return x15_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X15 algorithm: module x15_hash not found")
elif algorithm == 'quark':
try:
import quark_hash
return quark_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run quark algorithm: module quark_hash not found")
def header_hash(cls, header):
'''Given a header return the hash.'''
import x13_hash
version, = struct.unpack('<I', header[:4])
if version > 1:
return super().header_hash(header)
else:
return x13_hash.getPoWHash(header)
def calc_x13(self):
if self.x13 is None:
r = []
r.append(struct.pack("<i", self.nVersion))
r.append(ser_uint256(self.hashPrevBlock))
r.append(ser_uint256(self.hashMerkleRoot))
r.append(struct.pack("<I", self.nTime))
r.append(struct.pack("<I", self.nBits))
r.append(struct.pack("<I", self.nNonce))
self.x13 = uint256_from_str(x13_hash.getPoWHash(''.join(r)))
return self.x13
def calc_x13(self):
if self.x13 is None:
r = []
r.append(struct.pack("<i", self.nVersion))
r.append(ser_uint256(self.hashPrevBlock))
r.append(ser_uint256(self.hashMerkleRoot))
r.append(struct.pack("<I", self.nTime))
r.append(struct.pack("<I", self.nBits))
r.append(struct.pack("<I", self.nNonce))
self.x13 = uint256_from_str(x13_hash.getPoWHash(''.join(r)))
return self.x13
def calc_hdr_hash(blk_hdr):
#hash1 = hashlib.sha256()
#hash1.update(blk_hdr)
#hash1_o = hash1.digest()
#hash2 = hashlib.sha256()
#hash2.update(hash1_o)
#hash2_o = hash2.digest()
#return hash2_o
pow_hash = x13_hash.getPoWHash(blk_hdr)
return pow_hash
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
difficulty, ip=False):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session
- submitblock_callback - reference to method which receive result of submitblock()
- difficulty is checked to see if its lower than the vardiff minimum target or pool target
from conf/config.py and if it is the share is rejected due to it not meeting the requirements for a share
'''
if settings.VARIABLE_DIFF == True:
# Share Diff Should never be 0
if difficulty < settings.VDIFF_MIN_TARGET :
log.exception("Worker %s @ IP: %s seems to be submitting Fake Shares"%(worker_name,ip))
raise SubmitException("Diff is %s Share Rejected Reporting to Admin"%(difficulty))
else:
if difficulty < settings.POOL_TARGET:
log.exception("Worker %s @ IP: %s seems to be submitting Fake Shares"%(worker_name,ip))
raise SubmitException("Diff is %s Share Rejected Reporting to Admin"%(difficulty))
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException("Incorrect size of extranonce2. Expected %d chars" % (self.extranonce2_size*2))
# Check for job
job = self.get_job(job_id, worker_name, ip)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
if settings.SCRYPTJANE_NAME == 'vtc_scrypt':
hash_bin = scryptjane.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = scryptjane.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'nist5':
hash_bin = nist5_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'xcoin':
hash_bin = xcoin_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x13':
hash_bin = x13_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x14':
hash_bin = x14_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x15':
hash_bin = bitblock_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x17':
hash_bin = crypto_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'fresh':
hash_bin = fresh_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'skeinhash':
hash_bin = skeinhash.skeinhash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_int = util.uint256_from_str(hash_bin)
scrypt_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'nist5':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'xcoin':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'x13':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'x14':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'x15':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'x17':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'fresh':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else: pass
target_user = self.diff_to_target(difficulty)
if hash_int > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100000)
if hash_int <= target_info:
log.info("Yay, share with diff above 100000")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % scrypt_hash_hex)
# Reverse the header and get the potential block hash (for scrypt only)
#if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'sha256d':
# if settings.COINDAEMON_Reward == 'POW':
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.exception("FINAL JOB VALIDATION FAILED!(Try enabling/disabling tx messages)")
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex, scrypt_hash_hex)
if on_submit:
self.update_block()
if settings.SOLUTION_BLOCK_HASH:
return (header_hex, block_hash_hex, share_diff, on_submit)
else:
return (header_hex, scrypt_hash_hex, share_diff, on_submit)
if settings.SOLUTION_BLOCK_HASH:
# Reverse the header and get the potential block hash (for scrypt only) only do this if we want to send in the block hash to the shares table
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
return (header_hex, block_hash_hex, share_diff, None)
else:
return (header_hex, scrypt_hash_hex, share_diff, None)
def X13Hash(x):
return x13_hash.getPoWHash(x)
def block_header_hash(chain, header):
import x13_hash
return x13_hash.getPoWHash(header)
def martexhash(s):
return x13_hash.getPoWHash(s)
def submit_share(self, job_id, worker_name, session, extranonce1_bin,
extranonce2, ntime, nonce, difficulty):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session, again no checks performed
- submitblock_callback - reference to method which receive result of submitblock()
'''
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException(
"Incorrect size of extranonce2. Expected %d chars" %
(self.extranonce2_size * 2))
# Check for job
job = self.get_job(job_id)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin,
nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
hash_bin = yac_scrypt.getPoWHash(
''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]),
int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
elif settings.COINDAEMON_ALGO == 'x13':
hash_bin = x13_hash.getPoWHash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
else:
hash_bin = util.doublesha(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
hash_int = util.uint256_from_str(hash_bin)
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO != 'sha256d':
header_hex = header_hex + "000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
target_user = self.diff_to_target(difficulty)
if hash_int * 256 > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100)
if hash_int <= target_info:
log.info("YAY!, share with diff above 100")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
if settings.SOLUTION_BLOCK_HASH:
if settings.COINDAEMON_ALGO == 'quark' or 'x13':
block_hash_hex = hash_bin[::-1].encode('hex_codec')
else:
block_hash_bin = util.doublesha(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
else:
block_hash_hex = "%064x" % hash_int
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % block_hash_hex)
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin,
int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.error("Final job validation failed!")
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized,
block_hash_hex)
if on_submit:
self.update_block()
return (header_hex, block_hash_hex, share_diff, on_submit)
return (header_hex, block_hash_hex, share_diff, None)
def test_powhash(self):
teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000';
testbin = unhexlify(teststart)
hash_bin = x13_hash.getPoWHash(testbin)
self.assertEqual(hash_bin, unhexlify('919044ef2ce56c49a3933d2297f7a990d1eb2defd1e3d9779428ab58b2249227'))
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
difficulty):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session, again no checks performed
- submitblock_callback - reference to method which receive result of submitblock()
'''
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException("Incorrect size of extranonce2. Expected %d chars" % (self.extranonce2_size*2))
# Check for job
job = self.get_job(job_id)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
hash_bin = yac_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'nist5':
hash_bin = nist5_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x13':
hash_bin = x13_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x15':
hash_bin = bitblock_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_int = util.uint256_from_str(hash_bin)
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO != 'sha256d':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
target_user = self.diff_to_target(difficulty)
if hash_int*256 > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100)
if hash_int <= target_info:
log.info("YAY!, share with diff above 100")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
if settings.SOLUTION_BLOCK_HASH:
if settings.COINDAEMON_ALGO == 'quark' or 'nist5' or 'x13' or 'x15':
block_hash_hex = hash_bin[::-1].encode('hex_codec')
else:
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
else:
block_hash_hex = "%064x" % hash_int
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % block_hash_hex)
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.error("Final job validation failed!")
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex)
if on_submit:
self.update_block()
return (header_hex, block_hash_hex, share_diff, on_submit)
return (header_hex, block_hash_hex, share_diff, None)
def block_header_hash(chain, header):
import x13_hash
return x13_hash.getPoWHash(header)
def Hash_x13(x: bytes) -> bytes:
import x13_hash
x = to_bytes(x, 'utf8')
out = bytes(x13_hash.getPoWHash(x))
return out
s = "0"*(2*length - len(s)) + s
return rev_hex(s)
def var_int(i):
if i < 0xfd:
return int_to_hex(i)
elif i <= 0xffff:
return "fd" + int_to_hex(i, 2)
elif i <= 0xffffffff:
return "fe" + int_to_hex(i, 4)
else:
return "ff" + int_to_hex(i, 8)
#Changing Hash to Reecoin's X13 Function
HashX11 = lambda x: x13.getPoWHash(x)
Hash = lambda x: hashlib.sha256(hashlib.sha256(x).digest()).digest()
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
def header_to_string(res):
pbh = res.get('prev_block_hash')
if pbh is None:
pbh = '0'*64
return int_to_hex(res.get('version'), 4) \
+ rev_hex(pbh) \
def generate_hashes_from_block(data_block, algorithm):
# if algorithm == 'scrypt':
# return scrypt.hash(data_block,data_block,1024,1,1,32)[::-1]
# elif algorithm == 'SHA256':
# return hashlib.sha256(hashlib.sha256(data_block).digest()).digest()[::-1]
# elif algorithm == 'X11':
# try:
# import xcoin_hash
# header_hash = xcoin_hash.getPoWHash(data_block)[::-1]
# except ImportError:
# sys.exit("Cannot run X11 algorithm: module xcoin_hash not found")
# elif algorithm == 'X11':
# try:
# import x11_hash
# header_hash = x11_hash.getPoWHash(data_block)[::-1]
# except ImportError:
# sys.exit("Cannot run X11 algorithm: module x11_hash not found")
if algorithm == 'X11':
try:
import dash_hash
return dash_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X11 algorithm: module dash_hash not found")
# elif algorithm == 'X11':
# try:
# header_hash = coinhash.X11Hash(data_block)[::-1]
# except ImportError:
# sys.exit("Cannot run X11 algorithm: module dash_hash not found")
elif algorithm == 'X13':
try:
import x13_hash
return x13_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X13 algorithm: module x13_hash not found")
elif algorithm == 'X15':
try:
import x15_hash
return x15_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run X15 algorithm: module x15_hash not found")
elif algorithm == 'quark':
try:
import quark_hash
return quark_hash.getPoWHash(data_block)[::-1]
except ImportError:
sys.exit("Cannot run quark algorithm: module quark_hash not found")
elif algorithm == 'lyra2re':
try:
return mixhash.Lyra2re(data_block)[::-1]
except ImportError:
sys.exit(
"Cannot run quark algorithm: module mixhash.Lyra2re not found")
elif algorithm == 'lyra2re2':
try:
return mixhash.Lyra2re2(data_block)[::-1]
except ImportError:
sys.exit(
"Cannot run quark algorithm: module mixhash.Lyra2re not found")
elif algorithm == 'keccak':
try:
return mixhash.Keccak(data_block)[::-1]
except ImportError:
sys.exit(
"Cannot run quark algorithm: module mixhash.Keccak not found")
elif algorithm == 'neoscrypt':
try:
return mixhash.Neoscrypt(data_block)[::-1]
except ImportError:
sys.exit(
"Cannot run quark algorithm: module mixhash.Neoscrypt not found"
)
elif algorithm == 'qubit':
try:
return mixhash.Qubit(data_block)[::-1]
except ImportError:
sys.exit(
"Cannot run quark algorithm: module mixhash.Qubit not found")
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
difficulty, ip=False):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session
- submitblock_callback - reference to method which receive result of submitblock()
- difficulty is checked to see if its lower than the vardiff minimum target or pool target
from conf/config.py and if it is the share is rejected due to it not meeting the requirements for a share
'''
if settings.VARIABLE_DIFF == True:
# Share Diff Should never be 0
if difficulty < settings.VDIFF_MIN_TARGET :
log.exception("Worker %s @ IP: %s seems to be submitting Fake Shares"%(worker_name,ip))
raise SubmitException("Diff is %s Share Rejected Reporting to Admin"%(difficulty))
else:
if difficulty < settings.POOL_TARGET:
log.exception("Worker %s @ IP: %s seems to be submitting Fake Shares"%(worker_name,ip))
raise SubmitException("Diff is %s Share Rejected Reporting to Admin"%(difficulty))
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException("Incorrect size of extranonce2. Expected %d chars" % (self.extranonce2_size*2))
# Check for job
job = self.get_job(job_id, worker_name, ip)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
if settings.SCRYPTJANE_NAME == 'vtc_scrypt':
hash_bin = scryptjane.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = scryptjane.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'xcoin':
hash_bin = xcoin_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'x13':
hash_bin = x13_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'skeinhash':
hash_bin = skeinhash.skeinhash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_int = util.uint256_from_str(hash_bin)
scrypt_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'xcoin':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'x13':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else: pass
target_user = self.diff_to_target(difficulty)
if hash_int > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100000)
if hash_int <= target_info:
log.info("Yay, share with diff above 100000")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % scrypt_hash_hex)
# Reverse the header and get the potential block hash (for scrypt only)
#if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'sha256d':
# if settings.COINDAEMON_Reward == 'POW':
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.exception("FINAL JOB VALIDATION FAILED!(Try enabling/disabling tx messages)")
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex, scrypt_hash_hex)
if on_submit:
self.update_block()
if settings.SOLUTION_BLOCK_HASH:
return (header_hex, block_hash_hex, share_diff, on_submit)
else:
return (header_hex, scrypt_hash_hex, share_diff, on_submit)
if settings.SOLUTION_BLOCK_HASH:
# Reverse the header and get the potential block hash (for scrypt only) only do this if we want to send in the block hash to the shares table
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
return (header_hex, block_hash_hex, share_diff, None)
else:
return (header_hex, scrypt_hash_hex, share_diff, None)
def hash_x13(data):
import x13_hash
return x13_hash.getPoWHash(data)