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Hybrid SHA256/Scrypt

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This commit is contained in:
ahmedbodi 2014-01-24 14:02:01 +00:00
parent d24a63a6a0
commit 45dfadb8be
1 changed files with 10 additions and 8 deletions
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18
lib/template_registry.py
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@ -9,6 +9,8 @@ elif settings.COINDAEMON_ALGO == 'scrypt-jane':
import yac_scrypt import yac_scrypt
elif settings.COINDAEMON_ALGO == 'quark': elif settings.COINDAEMON_ALGO == 'quark':
import quark_hash import quark_hash
elif settings.COINDAEMON_ALGO == 'scrypthybrid':
import medcoin_hybrid
else: pass else: pass
from twisted.internet import defer from twisted.internet import defer
from lib.exceptions import SubmitException from lib.exceptions import SubmitException
@ -148,7 +150,7 @@ class TemplateRegistry(object):
def diff_to_target(self, difficulty): def diff_to_target(self, difficulty):
'''Converts difficulty to target''' '''Converts difficulty to target'''
if settings.COINDAEMON_ALGO == 'scrypt' or 'scrypt-jane': if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane' or settiongs.COINDAEMON_ALGO == 'scrypthybrid':
diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000 diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000
elif settings.COINDAEMON_ALGO == 'quark': elif settings.COINDAEMON_ALGO == 'quark':
diff1 = 0x000000ffff000000000000000000000000000000000000000000000000000000 diff1 = 0x000000ffff000000000000000000000000000000000000000000000000000000
@ -240,11 +242,14 @@ class TemplateRegistry(object):
hash_bin = yac_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16)) 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': 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) ])) 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) ])) elif settings.COINDAEMON_ALGO == 'scrypthybrid':
hash_bin = medcoin_hybrid.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) hash_int = util.uint256_from_str(hash_bin)
scrypt_hash_hex = "%064x" % hash_int scrypt_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin) header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane': if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane' or settings.COINDAEMON_ALGO == 'scrypthybrid':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000" header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'quark': elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000" header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
@ -267,13 +272,10 @@ class TemplateRegistry(object):
# Yay! It is block candidate! # Yay! It is block candidate!
log.info("We found a block candidate! %s" % scrypt_hash_hex) log.info("We found a block candidate! %s" % scrypt_hash_hex)
# Reverse the header and get the potential block hash (for scrypt only) # Find the potential block hash
#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_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') 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 # 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16)) job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))