def getScryptPoW(hexData): """ Actual scrypt pow calculation """ data = binascii.unhexlify(hexData) return auxpow.reverseHex(binascii.hexlify(ltc_scrypt.getPoWHash(data)))
def block_header_hash(chain, header):
b = chain.parse_block_header(header)
if (b['version'] > 6):
from .. import util
return util.double_sha256(header)
import ltc_scrypt
return ltc_scrypt.getPoWHash(header)
def hash_header(self, header):
header_bytes = header_to_string(header).decode('hex')
if (header["version"] >= 7):
hash_bytes = Hash(header_bytes) # new rules, sha256
else:
hash_bytes = getPoWHash(header_bytes) # old scrypt header hashing
return rev_hex(hash_bytes.encode('hex'))
def PoW(b): global hashing_algo, ltc_scrypt if hashing_algo == 'doublesha': return hashlib.sha256(hashlib.sha256(b).digest()).digest() elif hashing_algo == 'scryptn': return yac_scrypt.getPoWHash(b) else: return ltc_scrypt.getPoWHash(b)
def calc_scrypt(self):
if self.scrypt 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.scrypt = uint256_from_str(ltc_scrypt.getPoWHash(''.join(r)))
return self.scrypt
def pow_hash_header(header):
if header is None:
return '0' * 64
if header.get('prev_block_hash') is None:
header['prev_block_hash'] = '00'*32
return rev_hex(getPoWHash(serialize_header(header).decode('hex')).encode('hex'))
def pow_hash_header(self, header):
return rev_hex(
getPoWHash(
self.header_to_string(header).decode('hex')).encode('hex'))
def submit_share(self, job_id, worker_name, 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
#hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_int = util.uint256_from_str(hash_bin)
block_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
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")
log.info("target_info: %s" % target_info)
log.info("hash_int: %s " % hash_int)
log.info("job.target: %s " % job.target)
# 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)
return (header_hex, block_hash_hex, on_submit)
return (header_hex, block_hash_hex, None)
def scrypt(s):
return 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 settings.COINDAEMON_ALGO == 'riecoin':
if len(ntime) != 16:
raise SubmitException("Incorrect size of ntime. Expected 16 chars")
else:
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 settings.COINDAEMON_ALGO == 'riecoin':
if len(nonce) != 64:
raise SubmitException("Incorrect size of nonce. Expected 64 chars")
else:
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)
if settings.COINDAEMON_ALGO == 'riecoin':
ntime_bin = (''.join([ ntime_bin[(1-i)*4:(1-i)*4+4] for i in range(0, 2) ]))
nonce_bin = (''.join([ nonce_bin[(7-i)*4:(7-i)*4+4] for i in range(0, 8) ]))
# 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 == 'skeinhash':
hash_bin = skeinhash.skeinhash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'magi':
hash_bin = magi_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
if settings.COINDAEMON_ALGO == 'riecoin':
# this is kind of an ugly hack: we use hash_int to store the number of primes
hash_int = util.riecoinPoW( hash_int, job.target, int(nonce, 16) )
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 == 'magi':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'riecoin':
header_hex = header_hex+"00000080000000000000000080030000"
else: pass
target_user = self.diff_to_target(difficulty)
if settings.COINDAEMON_ALGO == 'riecoin':
if hash_int < target_user:
raise SubmitException("Share does not meet target")
else:
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
isBlockCandidate = False
if settings.COINDAEMON_ALGO == 'riecoin':
if hash_int == 6:
isBlockCandidate = True
else:
if hash_int <= job.target:
isBlockCandidate = True
if isBlockCandidate == True:
# 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 == 'riecoin':
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 28) ]))
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')
# 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
if settings.COINDAEMON_ALGO == 'riecoin':
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 28) ]))
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')
return (header_hex, block_hash_hex, share_diff, None)
else:
return (header_hex, scrypt_hash_hex, share_diff, None)
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 scrypt(b): return getPoWHash(b)
def scrypt(b):
return getPoWHash(b)
def PoWHash(b): return getPoWHash(b)
def vert_scrypt(data):
from vtc_scrypt import getPoWHash
hsh = getPoWHash(data)
return hsh
def drk_hash(data):
from drk_hash import getPoWHash
hsh = getPoWHash(data)
return hsh
def scrypt(data):
from ltc_scrypt import getPoWHash
hsh = getPoWHash(data)
return hsh
def PoWHash(b): return getPoWHash(b)
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)
Hash = lambda x: hashlib.sha256(hashlib.sha256(x).digest()).digest()
HashScrypt = lambda x: ltc_scrypt.getPoWHash(x)
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) \
+ rev_hex(res.get('merkle_root')) \
def block_header_hash(chain, header):
import ltc_scrypt
return ltc_scrypt.getPoWHash(header)
def scrypt(s):
return getPoWHash(s)
def hash_headerScrypt(self, header):
import ltc_scrypt
return rev_hex(ltc_scrypt.getPoWHash(self.header_to_string(header).decode('hex')).encode('hex'))
def TxHash(x):
if type(x) is unicode: x = x.encode('utf-8')
return getPoWHash(x)
def ScryptHash(x):
"""Scrypt (Litecoin parameters) hash."""
return ltc_scrypt.getPoWHash(x)
def PoWHash(x):
if type(x) is unicode: x = x.encode('utf-8')
return ltc_scrypt.getPoWHash(x)
def block_header_hash(chain, header):
import ltc_scrypt
return ltc_scrypt.getPoWHash(header)
def scrypt(self, obj):
import ltc_scrypt
return HashType().unpack(ltc_scrypt.getPoWHash(self.pack(obj)))
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 == '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"
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 calc_scrypt_hash_str(blk_hdr):
hash = ltc_scrypt.getPoWHash(blk_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode("hex")
return hash_str
def pow_hash_header(self, header):
return rev_hex(
getPoWHash(
self.serialize_header(header).decode('hex')).encode('hex'))
def test_powhash(self):
teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000';
testbin = unhexlify(teststart)
hash_bin = ltc_scrypt.getPoWHash(testbin)
print hexlify(hash_bin);
self.assertEqual(hash_bin, unhexlify('3d7c8462ad86260f9cfabdcf38f81e957a118d879e076cc44b810d38bf77a5e2'))
def calc_scrypt_hash_str(blk_hdr):
hash = ltc_scrypt.getPoWHash(blk_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode('hex')
return hash_str
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
difficulty, ip, submit_time):
'''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.DAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(header_bin)
elif settings.DAEMON_ALGO == 'yescrypt':
hash_bin = yescrypt_hash.getPoWHash(header_bin)
elif settings.DAEMON_ALGO == 'qubit':
hash_bin = qubit_hash.getPoWHash(header_bin)
else:
hash_bin = util.doublesha(header_bin)
hash_int = util.uint256_from_str(hash_bin)
pow_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
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(1000)
if hash_int <= target_info:
log.info("Yay, share with diff above 1000")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = float(self.diff_to_target(hash_int))
on_submit = None
aux_submit = None
block_hash_bin = util.doublesha(header_bin)
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
if hash_int <= job.target:
log.info("MAINNET BLOCK CANDIDATE! %s diff(%f/%f)" % (block_hash_hex, share_diff, self.diff_to_target(job.target)))
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
if not job.is_valid():
log.exception("FINAL JOB VALIDATION FAILED!")
serialized = binascii.hexlify(job.serialize())
if settings.SOLUTION_BLOCK_HASH:
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex)
else:
on_submit = self.bitcoin_rpc.submitblock(serialized, pow_hash_hex)
'''if on_submit:
self.update_block()'''
# Check auxiliary merged chains
for chain in range(len(job.auxs)):
if hash_int <= job.aux_targets[chain]:
log.info("FOUND MERGED BLOCK! %s diff(%f/%f)" % (job.auxs[chain]['hash'], share_diff, self.diff_to_target(job.aux_targets[chain])))
coinbase_hex = binascii.hexlify(coinbase_bin)
branch_count = job.merkletree.branchCount()
branch_hex = job.merkletree.branchHex()
merkle_link = util.calculate_merkle_link(job.merkle_hashes, job.tree[job.auxs[chain]['chainid']])
submission = coinbase_hex + block_hash_hex + branch_count + branch_hex + '00000000' + merkle_link + header_hex;
aux_submit = self.aux_rpc.conns[chain].getauxblock(job.auxs[chain]['hash'], submission)
aux_submit.addCallback(Interfaces.share_manager.on_submit_aux_block, worker_name, header_hex, job.auxs[chain]['hash'], submit_time, ip, share_diff)
'''if aux_submit:
self.update_auxs()'''
if settings.SOLUTION_BLOCK_HASH:
return (header_hex, block_hash_hex, share_diff, on_submit)
else:
return (header_hex, pow_hash_hex, share_diff, on_submit)
def pow_hash_header(self, header):
return rev_hex(getPoWHash(self.serialize_header(header).decode('hex')).encode('hex'))
import ltc_scrypt # Packaged with litecoin p2pool - https://github.com/coblee/p2pool
#header_hex = "020000004c1271c211717198227392b029a64a7971931d351b387bb80db027f270411e398a07046f7d4a08dd815412a8712f874a7ebf0507e3878bd24e20a3b73fd750a667d2f451eac7471b00de6659"
#header_hex ="01000000f615f7ce3b4fc6b8f61e8f89aedb1d0852507650533a9e3b10b9bbcc30639f279fcaa86746e1ef52d3edb3c4ad8259920d509bd073605c9bf1d59983752a6b06b817bb4ea78e011d012d59d4"
#header_hex = "000000204ac4bbcd97fb85ba80a968c869ab20cde1b1d429024302a3b9596fd55651bc72320cd2ed8705ccf53e291d6fce6bd051b2aa024e937f37ea92029d2e10a8c67c79fdf05a1bb8011a01811900"
value = 2**16
for i in range(0, 2**16):
for nonce in range(0, 2**16):
nonce = nonce + value * i
# print(nonce)
header_hex ="000000208e930321ddc9e81115c2bca446f98fd216f10abb95554b5fc0c5bc20ddbbc851eed8022fd1b482072b353334031c26f212eefd61d1575426452d7f3d04b3d1f0dc1aa25bdeed011a" + \
str(hex(nonce))[2:].zfill(8)
# print header_hex
header_bin = header_hex.decode('hex')
#hash = hashlib.sha256(hashlib.sha256(header_bin).digest()).digest()
#hash.encode('hex_codec')
#print "hash:"
#print(hash[::-1].encode('hex_codec')) # convert from big-endian to little-endian
scrypt = ltc_scrypt.getPoWHash(header_bin)
scrypt.encode('hex_codec')
# print "scrypt:"
# ts = str((scrypt[::-1].encode('hex_codec')))[0:5] # convert from big-endian to little-endian
ts = (scrypt[::-1].encode('hex_codec')
)[0:5] # convert from big-endian to little-endian
if ts == '00000':
print header_hex
print(scrypt[::-1].encode('hex_codec'))
# print(scrypt[::-1].encode('hex_codec')) # convert from big-endian to little-endian
def ScryptHash(x):
"""Scrypt (Litecoin parameters) hash."""
return ltc_scrypt.getPoWHash(x)
def scrypt(data):
from ltc_scrypt import getPoWHash
hsh = getPoWHash(data)
return hsh
def pow_hash_header(self, header):
return rev_hex(getPoWHash(self.header_to_string(header).decode('hex')).encode('hex'))
def vert_scrypt(data):
from vtc_scrypt import getPoWHash
hsh = getPoWHash(data)
return hsh
def calc_scrypt_hash_str(AUM_hdr):
hash = ltc_scrypt.getPoWHash(AUM_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode('hex')
return hash_str
def drk_hash(data):
from drk_hash import getPoWHash
hsh = getPoWHash(data)
return hsh
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 PoW(b):
global hashing_algo, ltc_scrypt
if hashing_algo == 'doublesha':
return hashlib.sha256(hashlib.sha256(b).digest()).digest()
else:
return ltc_scrypt.getPoWHash(b)
def scrypt(self, obj):
import ltc_scrypt
return IntType(256).unpack(ltc_scrypt.getPoWHash(self.pack(obj)))
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
hash_bin = ltc_scrypt.getPoWHash(''.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)
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
target_user = self.diff_to_target(difficulty)
