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 test_powhash(self):
teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000'
testbin = unhexlify(teststart)
hash_bin = quark_hash.getPoWHash(testbin)
self.assertEqual(
hash_bin,
unhexlify(
'cf63d08172a51b859e339a9cbcc2e1318cd08eda796eaf48733386f000000000'
))
def calc_quark(self):
if self.quark 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.quark = uint256_from_str(quark_hash.getPoWHash(''.join(r)))
return self.quark
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) ]))
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"
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())
if settings.BLOCK_CHECK_SCRYPT_HASH:
on_submit = self.bitcoin_rpc.submitblock(serialized, scrypt_hash_hex)
else:
on_submit = self.bitcoin_rpc.submitblock(serialized, block_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 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 quark_hash(s):
return getPoWHash(s)
def QuarkHash(x):
return quark_hash.getPoWHash(to_bytes(x))
def calc_quark_hash_str(blk_hdr):
hash = quark_hash.getPoWHash(blk_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode('hex')
return hash_str
return '4c' + int_to_hex(i)
elif i<0xffff:
return '4d' + int_to_hex(i,2)
else:
return '4e' + int_to_hex(i,4)
def sha256(x):
return hashlib.sha256(x).digest()
def Hash(x):
if type(x) is unicode: x=x.encode('utf-8')
return sha256(sha256(x))
Hash9 = lambda x: quark_hash.getPoWHash(x)
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
hmac_sha_512 = lambda x,y: hmac.new(x, y, hashlib.sha512).digest()
def is_new_seed(x, prefix=version.SEED_PREFIX):
import mnemonic
x = mnemonic.prepare_seed(x)
s = hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')
return s.startswith(prefix)
def is_old_seed(seed):
import old_mnemonic
def test_powhash(self):
teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000';
testbin = unhexlify(teststart)
hash_bin = quark_hash.getPoWHash(testbin)
self.assertEqual(hash_bin, unhexlify('cf63d08172a51b859e339a9cbcc2e1318cd08eda796eaf48733386f000000000'))
import quark_hash import weakref import binascii import StringIO from binascii import unhexlify teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000'; testbin = unhexlify(teststart) hash_bin = quark_hash.getPoWHash(testbin)
def block_header_hash(chain, header):
import quark_hash
return quark_hash.getPoWHash(header)
def hash_raw_header(header: str) -> str:
if header[:2] == '01':
import quark_hash
return hash_encode(quark_hash.getPoWHash(bfh(header)))
else:
return hash_encode(sha256d(bfh(header)))
import quark_hash import weakref import binascii import StringIO from binascii import unhexlify teststart = "700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000" testbin = unhexlify(teststart) hash_bin = quark_hash.getPoWHash(testbin)
elif i < 0xffff:
return '4d' + int_to_hex(i, 2)
else:
return '4e' + int_to_hex(i, 4)
def sha256(x):
return hashlib.sha256(x).digest()
def Hash(x):
if type(x) is unicode: x = x.encode('utf-8')
return sha256(sha256(x))
Hash9 = lambda x: quark_hash.getPoWHash(x)
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
hmac_sha_512 = lambda x, y: hmac.new(x, y, hashlib.sha512).digest()
def is_new_seed(x, prefix=version.SEED_PREFIX):
import mnemonic
x = mnemonic.prepare_seed(x)
s = hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')
return s.startswith(prefix)
def is_old_seed(seed):
import old_mnemonic
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) ]))
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"
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())
#just try both block hash and scrypt hash when checking for block creation
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 calc_quark_hash_str(blk_hdr):
hash = quark_hash.getPoWHash(blk_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode('hex')
return hash_str
def hash_quark(data):
import quark_hash
return quark_hash.getPoWHash(data)
