stratum-mining-darkcoin
=======================

diff for stratum-mining-darkcoin


# conf.py

-COINDAEMON_ALGO = 'scrypt'    # The available options are:  scrypt, sha256d, scrypt-jane, skeinhash, and quark
+COINDAEMON_ALGO = 'quark'    # The available options are:  scrypt, sha256d, scrypt-jane, skeinhash, and quark



-POOL_TARGET = 32                # Pool-wide difficulty target int >= 1
+POOL_TARGET = 0.010
 


-VDIFF_MIN_TARGET = 16           # Minimum target difficulty 
-VDIFF_MAX_TARGET = 1024         # Maximum target difficulty 
+VDIFF_MIN_TARGET = 0.008           # Minimum target difficulty 
+VDIFF_MAX_TARGET = 0.08


# lib/halfnode.py
@@ -28,7 +28,7 @@
     log.debug("########################################### LoadingScrypt jane #########################################################")
 elif settings.COINDAEMON_ALGO == 'quark':
     log.debug("########################################### Loading Quark Support #########################################################")
-    import quark_hash
+    import dark_hash
 elif settings.COINDAEMON_ALGO == 'skeinhash':
     import skeinhash
 
@@ -293,7 +293,7 @@
                 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)))
+                self.quark = uint256_from_str(dark_hash.getPoWHash(''.join(r)))
              return self.quark


# lib/template_registry.py
@@ -8,7 +8,7 @@
 elif settings.COINDAEMON_ALGO  == 'scrypt-jane':
     scryptjane = __import__(settings.SCRYPTJANE_NAME) 
 elif settings.COINDAEMON_ALGO == 'quark':
-    import quark_hash
+    import dark_hash
 elif settings.COINDAEMON_ALGO == 'skeinhash':
     import skeinhash
 else: pass
 
 
 @@ -250,7 +267,7 @@
       		else: 
       		     hash_bin = scryptjane.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) ]))
+            hash_bin = dark_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
 	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:
         
         
***  lib/template_registry.py // fake diff

     def diff_to_target(self, difficulty):
         '''Converts difficulty to target'''
-        if settings.COINDAEMON_ALGO == 'scrypt' or 'scrypt-jane':
-            diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000
-        elif settings.COINDAEMON_ALGO == 'quark':
-            diff1 = 0x000000ffff000000000000000000000000000000000000000000000000000000
-        else:
-            diff1 = 0x00000000ffff0000000000000000000000000000000000000000000000000000
-
-        return diff1 / difficulty
+        assert difficulty >= 0
+        if difficulty == 0: return 2**256-1
+        return min(int((0xffff0000 * 2**(256-64) + 1)/difficulty - 1 + 0.5), 2**256-1)         
         
         

#dark_hash = x11_hash
use : https://github.com/chaeplin/p2pool-drk/tree/master/py_module/darkcoin-hash-python


# Worked ? donation to fundraiser for Darkcoin marketing & branding
  https://bitcointalk.org/index.php?topic=421615.msg5616989#msg5616989
  Fundraising wallet: Xc8xGSP7FwWGPQpgw298z7NYdA8xJK8ooh
  
# Test result
  https://bitcointalk.org/index.php?topic=421615.msg5673525#msg5673525