def calc_heavy(self):
if self.heavy 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))
r.append(struct.pack("<H", self.nVote))
r.append(struct.pack("<H", self.nReward))
self.heavy = uint256_from_str(heavycoin_hash.getPoWHash(''.join(r)))
return self.heavy
def calc_heavy(self):
if self.heavy 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))
r.append(struct.pack("<H", self.nVote))
r.append(struct.pack("<H", self.nReward))
self.heavy = uint256_from_str(
heavycoin_hash.getPoWHash(''.join(r)))
return self.heavy
#!/usr/bin/env python
import heavycoin_hash
import weakref
import binascii
import StringIO
from binascii import hexlify, unhexlify
assert heavycoin_hash.getHash(unhexlify('28505e47680dc604864f9cf5366852c5222457981c'), 21) == unhexlify('0ebdb93812d6d4aab39511faa794bdb90718225804c94bb97cdfaee69ee1ba94')
assert heavycoin_hash.getPoWHash(unhexlify('700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000fafafa00')) == unhexlify('f0be3bccf0bbdf037cc3d300dd13bb4307a6fab7d6772ae24cddc30ecf190ef4')
assert heavycoin_hash.getPoWHash(unhexlify('ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca')) == unhexlify('3a046b355df0a75d900dfd11a90e68930c3bcd8213e9103740a39191c437d61f')
assert heavycoin_hash.getPoWHash(unhexlify('da658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca')) == unhexlify('4679a0f3977ed8a45a866c2b3f2d8ba6747d181bb8fad4d561b38f952069f30b')
assert heavycoin_hash.getPoWHash(unhexlify('ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6ec25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca')) == unhexlify('8097c6d00343ed6b51580acef8a13812baa35641533b7147ca9cc136b30d8e84')
assert heavycoin_hash.getPoWHash(unhexlify('ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12cadd')) == unhexlify('3a046b355df0a75d900dfd11a90e68930c3bcd8213e9103740a39191c437d61f')
assert heavycoin_hash.getPoWHash(unhexlify('ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca999999')) == unhexlify('3a046b355df0a75d900dfd11a90e68930c3bcd8213e9103740a39191c437d61f')
assert heavycoin_hash.getPoWHash(unhexlify('ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca000000')) == unhexlify('3a046b355df0a75d900dfd11a90e68930c3bcd8213e9103740a39191c437d61f')
assert heavycoin_hash.getPoWHash(unhexlify('fffffe90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca')) == unhexlify('725909c4d43d191f2bd683cfec9e1590759930a0a054fb4b09055316d0084ace')
assert heavycoin_hash.getPoWHash(unhexlify('000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000')) == unhexlify('f2668b99b08850fd27ffe6d280ef552fce3ec364c3193bcbeb81e9a0e9cf9926')
assert heavycoin_hash.getPoWHash(unhexlify('00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000')) == unhexlify('f2668b99b08850fd27ffe6d280ef552fce3ec364c3193bcbeb81e9a0e9cf9926')
def hvc_powhash(data):
return heavycoin_hash.getPoWHash(data)
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, time, nonce, difficulty, vote = None):
'''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, time, nonce, [vote] - 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()
'''
if settings.COINDAEMON_ALGO == 'heavy':
time = binascii.hexlify(struct.pack('<I', int(time, 16)))
nonce = binascii.hexlify(struct.pack('<I', int(nonce, 16)))
# 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(time) != 8:
raise SubmitException("Incorrect size of time. Expected 8 chars")
if not job.check_ntime(int(time, 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, time, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, time, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime = int(time, 16)
nnonce = int(nonce, 16)
if settings.COINDAEMON_ALGO == 'heavy':
# vote_bin = binascii.unhexlify(vote)
nvote = int(vote, 16)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
if settings.COINDAEMON_ALGO == 'heavy':
coinbase_hash = heavycoin_hash.getHash(coinbase_bin, len(coinbase_bin))
else:
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, nnonce, nvote)
# 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 == 'heavy':
hash_bin = heavycoin_hash.getPoWHash(header_bin)
# hash_bin = heavycoin_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 21) ]))
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 == 'heavy':
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':
if settings.COINDAEMON_ALGO == 'heavy':
block_hash_bin = heavycoin_hash.getHash(header_bin, 84)
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 = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
if settings.COINDAEMON_ALGO == 'heavy':
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, ntime, nnonce, nvote)
else:
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, ntime, nnonce)
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 block_header_hash(chain, header):
import heavycoin_hash
return heavycoin_hash.getPoWHash(header)
def submit_share(self,
job_id,
worker_name,
session,
extranonce1_bin,
extranonce2,
time,
nonce,
difficulty,
vote=None):
'''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, time, nonce, [vote] - 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()
'''
if settings.COINDAEMON_ALGO == 'heavy':
time = binascii.hexlify(struct.pack('<I', int(time, 16)))
nonce = binascii.hexlify(struct.pack('<I', int(nonce, 16)))
# 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(time) != 8:
raise SubmitException("Incorrect size of time. Expected 8 chars")
if not job.check_ntime(int(time, 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, time, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, time, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime = int(time, 16)
nnonce = int(nonce, 16)
if settings.COINDAEMON_ALGO == 'heavy':
# vote_bin = binascii.unhexlify(vote)
nvote = int(vote, 16)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
if settings.COINDAEMON_ALGO == 'heavy':
coinbase_hash = heavycoin_hash.getHash(coinbase_bin,
len(coinbase_bin))
else:
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, nnonce,
nvote)
# 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 == 'heavy':
hash_bin = heavycoin_hash.getPoWHash(header_bin)
# hash_bin = heavycoin_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 21) ]))
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 == 'heavy':
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':
if settings.COINDAEMON_ALGO == 'heavy':
block_hash_bin = heavycoin_hash.getHash(header_bin, 84)
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 = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
if settings.COINDAEMON_ALGO == 'heavy':
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin,
ntime, nnonce, nvote)
else:
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin,
ntime, nnonce)
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)
#!/usr/bin/env python
import heavycoin_hash
import weakref
import binascii
import StringIO
from binascii import hexlify, unhexlify
assert heavycoin_hash.getHash(
unhexlify('28505e47680dc604864f9cf5366852c5222457981c'), 21) == unhexlify(
'0ebdb93812d6d4aab39511faa794bdb90718225804c94bb97cdfaee69ee1ba94')
assert heavycoin_hash.getPoWHash(
unhexlify(
'700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000fafafa00'
)) == unhexlify(
'f0be3bccf0bbdf037cc3d300dd13bb4307a6fab7d6772ae24cddc30ecf190ef4')
assert heavycoin_hash.getPoWHash(
unhexlify(
'ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca'
)) == unhexlify(
'3a046b355df0a75d900dfd11a90e68930c3bcd8213e9103740a39191c437d61f')
assert heavycoin_hash.getPoWHash(
unhexlify(
'da658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6fc25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca'
)) == unhexlify(
'4679a0f3977ed8a45a866c2b3f2d8ba6747d181bb8fad4d561b38f952069f30b')
assert heavycoin_hash.getPoWHash(
unhexlify(
'ea658e90946d34cc6b94c02a673aacd3d4ff89463caec174713be382f4a19eb6b09314294c5d72c53948ec6ec25ea7efef76e7ae2cc373614706d6e1275528361a0d8566a1098ec99a3abf4b0a35107b8aad12ca'
)) == unhexlify(
def hvc_powhash(data):
return heavycoin_hash.getPoWHash(data)
def block_header_hash(chain, header):
import heavycoin_hash
return heavycoin_hash.getPoWHash(header)