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")
# Convert from hex to binary
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2_bin, ntime_bin,
nonce_bin):
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!
# ---------------------------
# 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 = x13bcd_hash.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)
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")
# 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 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))
# normalize the case to prevent duplication of valid shares by the client
ntime = ntime.lower()
nonce = nonce.lower()
extranonce2 = extranonce2.lower()
# 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")
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2_bin, ntime_bin,
nonce_bin):
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!
# ---------------------------
# 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 = algolib.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_bin = x13bcd_hash.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)
if settings.CUSTOM_HEADER != None:
header_hex = header_hex + settings.CUSTOM_HEADER
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)
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:
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 bcd_Hash(x):
x = to_bytes(x, 'utf8')
out = bytes(x13bcd_hash.getPoWHash(x))
return out
import x13bcd_hash
from binascii import unhexlify, hexlify
block_hash = 'fd21da3c2b0b6e5f438d365ef3f9a2e3a5018b9402fff79bec0a2e47657e802b'
block_header_hex = '600000006df1d486138ba00b9ceabc42c71c9d1925ea25896ee5555e78507642be52a4d761f93e1f507975d05a33de16bea7784f5cf492aa8e0eda6bf71029d78e3d939a5a2fa97e1d08379f000b3a0e'
block_header_bin = unhexlify(block_header_hex)
block_hash_bin = x13bcd_hash.getPoWHash(b''.join(
[block_header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
block_hash_hex = hexlify(block_hash_bin[::-1]).decode("utf-8")
assert block_hash_hex == block_hash
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from pycoin.block import Block
import io, struct
import x13bcd_hash
def uint256_from_str(s):
r = 0L
t = struct.unpack("<IIIIIIII", s[:32])
for i in xrange(8):
r += t[i] << (i * 32)
return r
rawblock = '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'
b = Block.parse_as_header(io.BytesIO(rawblock.decode('hex')))
hash_bin = x13bcd_hash.getPoWHash(b.as_bin())
print uint256_from_str(hash_bin)
def submit(self, connection_ref, _id, _params):
# TODO: Job ID Check 구현해야함
# TODO: Diff Check 해서 그냥 Share 기록 or Submit 구별 해야함
# TODO: Share Result를 Database에 기록 해야함 - Database 는 Redis가 될듯
session_id = connection_ref.get_session()
_worker_name = _params[0]
_split_worker_name = _worker_name.strip().split('.')
username = _split_worker_name[0]
if len(_split_worker_name) == 2:
worker = _split_worker_name[1]
else:
worker = None
_job_id = _params[1]
_nonce_1 = self.job_manager.get_nonce_from_session_id(session_id)
_block_template = self.job_manager.get_block_template(_job_id)
if _block_template is None:
logger.info('rejected share, worker : %s, reason : job not found' %
_worker_name)
return {'id': _id, 'result': False, 'error': [21, 'job not found']}
if os.getenv("COIN_TYPE") == 'bitcoin':
_nonce_2 = _params[2]
_time = _params[3]
_time_reverse = hash_util.hex_to_reverse_hex(_time)
_nonce = _params[4]
_nonce_reverse = hash_util.hex_to_reverse_hex(_nonce)
if len(_nonce) != 8:
logger.info(
'rejected share, worker : %s, reason : incorrect size of nonce'
% _worker_name)
return {
'id': _id,
'result': False,
'error': [20, 'incorrect size of nonce']
}
coinbase = binascii.hexlify(_block_template.coinbase_tx).split(
_block_template.extranonce_placeholder)
serialized_coinbase = binascii.unhexlify(coinbase[0] + _nonce_1 +
_nonce_2.encode() +
coinbase[1])
if os.getenv("COIN_ALGORITHM") == 'keccak':
coinbase_hash = binascii.hexlify(
hash_util.reverse_bytes(
hash_util.sha(serialized_coinbase)))
else:
coinbase_hash = hash_util.bytes_to_reverse_hash(
serialized_coinbase)
tx_hashes = [coinbase_hash
] + [h['hash'] for h in _block_template.transactions]
merkle_root_reverse_hex = hash_util.hex_to_reverse_hex(
hash_util.merkle_root(tx_hashes))
# Header POW 종류별 구별 해야댐
header = _block_template.serialize_block_header(
_time_reverse, _nonce_reverse,
merkle_root_reverse_hex) # 80 bytes
block_hex = _block_template.serialize_block(
header, None, serialized_coinbase)
if os.getenv("COIN_ALGORITHM") == 'lyra2rev2':
import lyra2re2_hash
header_hash = lyra2re2_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'lyra2rev3':
import lyra2re3_hash
header_hash = lyra2re3_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'keccak' or os.getenv(
"COIN_ALGORITHM") == 'keccakc':
import sha3
header_hash = sha3.keccak_256(header).digest()
elif os.getenv("COIN_ALGORITHM") == 'x13-bcd':
import x13bcd_hash
header_hash = x13bcd_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'neoscrypt':
import neoscrypt
header_hash = neoscrypt.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'yescrypt':
import yescrypt_hash
header_hash = yescrypt_hash.getHash(header, len(header))
elif os.getenv("COIN_ALGORITHM") == 'xevan':
import xevan_hash
header_hash = xevan_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'phi2':
import phi2_hash
header_hash = phi2_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'x16r':
import x16r_hash
header_hash = x16r_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'x16s':
import x16s_hash
header_hash = x16s_hash.getPoWHash(header)
elif os.getenv("COIN_ALGORITHM") == 'timetravel10':
import timetravel10_hash
header_hash = timetravel10_hash.getPoWHash(header)
else:
header_hash = double_sha(header)
elif os.getenv("COIN_TYPE") == 'zcash':
_time = _params[2]
_nonce_2 = _params[3]
_soln = _params[4]
_nonce = _nonce_1 + _nonce_2.encode()
if len(_nonce) != 64:
return {
'id': _id,
'result': False,
'error': [20, 'incorrect size of nonce']
}
if os.getenv("COIN_ALGORITHM") == 'zhash' and len(_soln) != 202:
return {
'id': _id,
'result': False,
'error': [20, 'incorrect size of solution']
}
elif os.getenv("COIN_ALGORITHM") != 'zhash' and len(_soln) != 2694:
return {
'id': _id,
'result': False,
'error': [20, 'incorrect size of solution']
}
n_time_int = int(_time, 16)
curtime_int = int(_block_template.curtime, 16)
if n_time_int < curtime_int:
return {
'id': _id,
'result': False,
'error': [20, 'ntime out of range']
}
header = _block_template.serialize_block_header(
_time.encode(), _nonce) # 140 bytes
header_soln = header + binascii.unhexlify(_soln)
header_hash = double_sha(header_soln)
block_hex = _block_template.serialize_block(
header, binascii.unhexlify(_soln), None)
else:
raise Exception('invalid coin type')
header_bignum = uint256_from_str(header_hash)
share_diff = os.getenv("POW_LIMIT") / header_bignum
logger.debug('share diff : {0:.8f}'.format(share_diff))
diff = self.user_diffs[connection_ref.username]
if share_diff < diff:
# logger.debug('low difficulty share of %s' % share_diff)
logger.info(
'rejected share, worker : %s, reason : low difficulty share' %
_worker_name)
self.database_ref.insert_accepted_share(
username, worker, False, False, _block_template.block_height,
share_diff, _block_template.pool_reward, diff)
return {
'id': _id,
'result': None,
'error': [23, 'low difficulty share of %s' % share_diff]
}
if not self.job_manager.register_submit(_nonce_1, _nonce_2, _nonce,
_time):
logger.info(
'rejected share, worker : %s, reason : duplicate share' %
_worker_name)
return {
'id': _id,
'result': None,
'error': [22, 'duplicate share']
}
if share_diff >= _block_template.difficulty * 0.99:
block_hash = binascii.hexlify(
hash_util.reverse_bytes(header_hash)).decode()
if os.getenv("COIN") in [
'monacoin', 'feathercoin', 'phoenixcoin', 'vertcoin',
'shield'
]:
temp_hash = double_sha(header)
block_hash = binascii.hexlify(
hash_util.reverse_bytes(temp_hash)).decode()
logger.info('Try new block share, worker : %s, share diff : %s' %
(_worker_name, share_diff))
share_result = self.coin_rpc.submit_block(
binascii.hexlify(block_hex).decode())
if share_result is None:
logger.info('Found Block, result : %s, block hash : %s' %
(share_result, block_hash))
result_hash = Interfaces.block_updater.update_block(
repeat=False, block_hash=block_hash)
if result_hash is not None:
block_hash = result_hash
self.database_ref.insert_accepted_share(
username, worker, True, True, _block_template.block_height,
share_diff, _block_template.pool_reward, diff, block_hash)
else:
logger.error(
'undefined share_result %s, block hash %s, coinbase tx %s'
% (share_result, block_hash,
binascii.hexlify(_block_template.coinbase_tx)))
self.database_ref.insert_accepted_share(
username, worker, False, False,
_block_template.block_height, share_diff,
_block_template.pool_reward, diff)
if os.getenv("COIN_TYPE") == 'bitcoin':
logger.error('Header : %s' %
binascii.hexlify(header).decode())
else:
logger.error('Header : %s' %
binascii.hexlify(header_soln).decode())
return {
'id': _id,
'result': None,
'error': [20, 'invalid solution']
}
else:
logger.info('accepted share, worker : %s, share diff : %s' %
(_worker_name, '{0:.8f}'.format(share_diff)))
self.database_ref.insert_accepted_share(
username, worker, True, False, _block_template.block_height,
share_diff, _block_template.pool_reward, diff)
return {'id': _id, 'result': True, 'error': None}