def block_header_hash(chain, header):
#TODO - TB20200609 - Switch to x16r algo, then x16rV2, then KAWPOW
import x16r_hash
#from binascii import unhexlify, hexlify
import ravencoin.core
print("header hash x16r: " +
ravencoin.core.b2lx(x16r_hash.getPoWHash(header)))
return x16r_hash.getPoWHash(
header)[::-1] #Reverse is a quirk of Ravencoin
def verify_header(self,
header: dict,
prev_hash: str,
target: int,
expected_header_hash: str = None) -> None:
height = header.get('block_height')
_hash = hash_header(header)
if expected_header_hash and expected_header_hash != _hash:
raise Exception("hash mismatches with expected: {} vs {}".format(
expected_header_hash, _hash))
if prev_hash != header.get('prev_block_hash'):
raise Exception("prev hash mismatch: %s vs %s" %
(prev_hash, header.get('prev_block_hash')))
# DGWv3 PastBlocksMax = 24 Because checkpoint don't have preblock data.
if height % 2016 != 0 and height // 2016 < len(
self.checkpoints) or height >= len(
self.checkpoints) * 2016 and height <= len(
self.checkpoints) * 2016 + DGW_PASTBLOCKS:
return
if constants.net.TESTNET:
return
bits = self.convbits(target)
if bits != header.get('bits'):
raise Exception("bits mismatch: %s vs %s" %
(bits, header.get('bits')))
_powhash = rev_hex(
bh2u(x16r_hash.getPoWHash(bfh(serialize_header(header)))))
if int('0x' + _powhash, 16) > target:
raise Exception("insufficient proof of work: %s vs target %s" %
(int('0x' + _powhash, 16), target))
def hash_header(header: dict) -> str:
if header is None:
return '0' * 64
if header.get('prev_block_hash') is None:
header['prev_block_hash'] = '00' * 32
result = hash_encode(x16r_hash.getPoWHash(bfh(serialize_header(header))))
return result
def calc_hdr_hash(blk_hdr):
#hash1 = hashlib.sha256()
#hash1.update(blk_hdr)
#hash1_o = hash1.digest()
#hash2 = hashlib.sha256()
#hash2.update(hash1_o)
#hash2_o = hash2.digest()
#return hash2_o
pow_hash = x16r_hash.getPoWHash(blk_hdr)
return pow_hash
def wikihash(s):
return x16r_hash.getPoWHash(s)
def hash_raw_header(header: str) -> str:
raw_hash = x16r_hash.getPoWHash(bfh(header)[:80])
hash_result = hash_encode(raw_hash)
return hash_result
import x16r_hash
from binascii import hexlify, unhexlify
teststart = '700000005d385ba114d079970b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000'
testbin = unhexlify(teststart)
hash_bin = x16r_hash.getPoWHash(testbin)
testoutput = b'77a19463753c27887c5697b47118719f4af6fba0647eddde71a938e7b3dd0d48'
assert hexlify(hash_bin) == testoutput
print('Test succeeded')
def PoWHash(x):
return x16r_hash.getPoWHash(to_bytes(x))
def motionhash(s):
return x16r_hash.getPoWHash(s)
def genixhash(s):
return x16r_hash.getPoWHash(s)
def sdrthash(s):
return x16r_hash.getPoWHash(s)
def header_hash(cls, header):
'''Given a header return the hash.'''
import x16r_hash
return x16r_hash.getPoWHash(header)
def allgamescoinhash(s):
return x16r_hash.getPoWHash(s)
def calc_hdr_hash(blk_hdr):
pow_hash = x16r_hash.getPoWHash(blk_hdr)
return pow_hash
def luahash(s):
return x16r_hash.getPoWHash(s)
def hash_raw_header(header: str) -> str:
return hash_encode(x16r_hash.getPoWHash(bfh(header)))
def X16RHash(msg):
return x16r_hash.getPoWHash(msg)
def jotohash(s):
return x16r_hash.getPoWHash(s)
def ravendarkhash(s):
return x16r_hash.getPoWHash(s)
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}
def wolfhash(s):
return x16r_hash.getPoWHash(s)
def velumhash(s):
return x16r_hash.getPoWHash(s)
def gennonce(decnonce):
hexnonce = str(hex(decnonce)).replace('0x','')
while len(hexnonce) < 8:
hexnonce = '0' + hexnonce
return str(hexnonce)
#doesnt matter what this is, as long as nonce changes
header = ''
while len(header) < 152:
header = '00' + header
#main
target = "000000ffff000000000000000000000000000000000000000000000000000000"
targetbin = binascii.unhexlify(target)
nonce = 0
while True:
complete_header = str(header) + str(gennonce(nonce))
hashbin = x16r_hash.getPoWHash(binascii.unhexlify(complete_header))[::-1]
if hashbin < targetbin:
print ('block ' + str(binascii.hexlify(hashbin)))
print ('nonce was ' + str(nonce))
sys.exit(0)
if (nonce % 4096 == 0):
print (str(nonce))
nonce += 1
def dcuhash(s):
return x16r_hash.getPoWHash(s)
def hiluxhash(s):
return x16r_hash.getPoWHash(s)
import x16r_hash
__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
__b58base = len(__b58chars)
global PUBKEY_ADDRESS
global SCRIPT_ADDRESS
PUBKEY_ADDRESS = 0
SCRIPT_ADDRESS = 5
def rev_hex(s):
return s.decode('hex')[::-1].encode('hex')
# Use Pion's X11 Hash Function
HashX16r = lambda x: x16r_hash.getPoWHash(x)
Hash = lambda x: hashlib.sha256(hashlib.sha256(x).digest()).digest()
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
def header_to_string(res):
pbh = res.get('prev_block_hash')
if pbh is None:
pbh = '0'*64
def sovhash(s):
return x16r_hash.getPoWHash(s)
def btcrhash(s):
return x16r_hash.getPoWHash(s)
