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Added Quark Support

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This commit is contained in:
Ahmed Bodiwala 2013-12-08 02:20:47 +00:00
parent 932926a078
commit db169ed82c
2 changed files with 34 additions and 4 deletions
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22
lib/halfnode.py
View File

@ -19,6 +19,9 @@ import settings
if settings.COINDAEMON_ALGO == 'scrypt':
print("########################################### Loading LTC Scrypt Module #########################################################")
import ltc_scrypt
elif settings.COINDAEMON_ALGO == 'quark':
print("########################################### Loading Quark Module #########################################################")
import quark_hash
else:
print("########################################### NOT Loading LTC Scrypt Module ######################################################")
pass
@ -246,6 +249,8 @@ class CBlock(object):
self.sha256 = None
if settings.COINDAEMON_ALGO == 'scrypt':
self.scrypt = None
elif settings.COINDAEMON_ALGO == 'quark':
self.quark = None
else: pass
if settings.COINDAEMON_Reward == 'POS':
self.signature = b""
@ -288,6 +293,18 @@ class CBlock(object):
r.append(struct.pack("<I", self.nNonce))
self.scrypt = uint256_from_str(ltc_scrypt.getPoWHash(''.join(r)))
return self.scrypt
elif settings.COINDAEMON_ALGO == 'quark':
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
else:
def calc_sha256(self):
if self.sha256 is None:
@ -305,12 +322,17 @@ class CBlock(object):
def is_valid(self):
if settings.COINDAEMON_ALGO == 'scrypt':
self.calc_scrypt()
elif settings.COINDAEMON_ALGO == 'quark':
self.calc_quark()
else:
self.calc_sha256()
target = uint256_from_compact(self.nBits)
if settings.COINDAEMON_ALGO == 'scrypt':
if self.scrypt > target:
return false
elif settings.COINDAEMON_ALGO == 'quark':
if self.quark > target:
return false
else:
if self.sha256 > target:
return False

16
lib/template_registry.py
View File

@ -7,6 +7,8 @@ if settings.COINDAEMON_ALGO == 'scrypt':
import ltc_scrypt
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
import yac_scrypt
elif settings.COINDAEMON_ALGO == 'quark':
import quark_hash
else: pass
from twisted.internet import defer
from lib.exceptions import SubmitException
@ -147,6 +149,8 @@ class TemplateRegistry(object):
'''Converts difficulty to target'''
if settings.COINDAEMON_ALGO == 'scrypt':
diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000
elif settings.COINDAEMON_ALGO == 'quark':
diff1 = 0x000000ffff000000000000000000000000000000000000000000000000000000
else: diff1 = 0x00000000ffff0000000000000000000000000000000000000000000000000000
return diff1 / difficulty
@ -231,15 +235,19 @@ class TemplateRegistry(object):
# 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.MAIN_COIN_ALGORITHM == 'scrypt-jane':
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))
else: hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
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 not settings.COINDAEMON_ALGO == 'sha256d':
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else: pass
elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else: pass
target_user = self.diff_to_target(difficulty)
if hash_int > target_user and \