separated p2pool and bitcoin network definitions

[p2pool.git] / p2pool / networks.py

diff --git a/p2pool/networks.py b/p2pool/networks.py
index 617cb03..22ea61e 100644 (file)
--- a/p2pool/networks.py
+++ b/p2pool/networks.py
@@ -1,8 +1,16 @@
 from p2pool.bitcoin import networks
 
-class BitcoinMainnet(networks.BitcoinMainnet):
+# CHAIN_LENGTH = number of shares back client keeps
+# REAL_CHAIN_LENGTH = maximum number of shares back client uses to compute payout
+# REAL_CHAIN_LENGTH must always be <= CHAIN_LENGTH
+# REAL_CHAIN_LENGTH must be changed in sync with all other clients
+# changes can be done by changing one, then the other
+
+class BitcoinMainnet(object):
+    PARENT = networks.BitcoinMainnet
     SHARE_PERIOD = 10 # seconds
-    CHAIN_LENGTH = 24*60*60//10//2 # shares
+    CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH_FUNC = staticmethod(lambda ts: 24*60*60//10 if ts >= 1325805105 else 24*60*60//10//2) # shares
     TARGET_LOOKBEHIND = 200 # shares
     SPREAD = 3 # blocks
     IDENTIFIER = 'fc70035c7a81bc6f'.decode('hex')
@@ -13,9 +21,11 @@ class BitcoinMainnet(networks.BitcoinMainnet):
     PERSIST = True
     WORKER_PORT = 9332
 
-class BitcoinTestnet(networks.BitcoinTestnet):
-    SHARE_PERIOD = 1 # seconds
-    CHAIN_LENGTH = 24*60*60//10//2 # shares
+class BitcoinTestnet(object):
+    PARENT = networks.BitcoinTestnet
+    SHARE_PERIOD = 10 # seconds
+    CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH_FUNC = staticmethod(lambda ts: 24*60*60//10 if ts >= 1325805105 else 24*60*60//10//2) # shares
     TARGET_LOOKBEHIND = 200 # shares
     SPREAD = 3 # blocks
     IDENTIFIER = '5fc2be2d4f0d6bfb'.decode('hex')
@@ -26,9 +36,11 @@ class BitcoinTestnet(networks.BitcoinTestnet):
     PERSIST = False
     WORKER_PORT = 19332
 
-class NamecoinMainnet(networks.NamecoinMainnet):
+class NamecoinMainnet(object):
+    PARENT = networks.NamecoinMainnet
     SHARE_PERIOD = 10 # seconds
     CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH = 24*60*60//10 # shares
     TARGET_LOOKBEHIND = 3600//10 # shares
     SPREAD = 3 # blocks
     IDENTIFIER = 'd5b1192062c4c454'.decode('hex')
@@ -39,22 +51,26 @@ class NamecoinMainnet(networks.NamecoinMainnet):
     PERSIST = True
     WORKER_PORT = 9331
 
-class NamecoinTestnet(networks.NamecoinTestnet):
-    SHARE_PERIOD = 1 # seconds
-    CHAIN_LENGTH = 24*60*60//5 # shares
+class NamecoinTestnet(object):
+    PARENT = networks.NamecoinTestnet
+    SHARE_PERIOD = 10 # seconds
+    CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH = 24*60*60//10 # shares
     TARGET_LOOKBEHIND = 200 # shares
     SPREAD = 3 # blocks
     IDENTIFIER = '8dd303d014a01a60'.decode('hex')
     PREFIX = '4d6581d24f51acbf'.decode('hex')
     NAME = 'namecoin_testnet'
     P2P_PORT = 19334
-    MAX_TARGET = 2**256//2**20 - 1
+    MAX_TARGET = 2**256//2**32 - 1
     PERSIST = False
     WORKER_PORT = 19331
 
-class LitecoinMainnet(networks.LitecoinMainnet):
+class LitecoinMainnet(object):
+    PARENT = networks.LitecoinMainnet
     SHARE_PERIOD = 10 # seconds
-    CHAIN_LENGTH = 24*60*60//10//2 # shares
+    CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH_FUNC = staticmethod(lambda ts: 24*60*60//10 if ts >= 1325805105 else 24*60*60//10//2) # shares
     TARGET_LOOKBEHIND = 200 # shares
     SPREAD = 12 # blocks
     IDENTIFIER = 'e037d5b8c6923410'.decode('hex')
@@ -65,9 +81,11 @@ class LitecoinMainnet(networks.LitecoinMainnet):
     PERSIST = True
     WORKER_PORT = 9327
 
-class LitecoinTestnet(networks.LitecoinTestnet):
-    SHARE_PERIOD = 1 # seconds
-    CHAIN_LENGTH = 24*60*60//5 # shares
+class LitecoinTestnet(object):
+    PARENT = networks.LitecoinTestnet
+    SHARE_PERIOD = 10 # seconds
+    CHAIN_LENGTH = 24*60*60//10 # shares
+    REAL_CHAIN_LENGTH_FUNC = staticmethod(lambda ts: 24*60*60//10 if ts >= 1325805105 else 24*60*60//10//2) # shares
     TARGET_LOOKBEHIND = 200 # shares
     SPREAD = 12 # blocks
     IDENTIFIER = 'cca5e24ec6408b1e'.decode('hex')
@@ -79,3 +97,4 @@ class LitecoinTestnet(networks.LitecoinTestnet):
     WORKER_PORT = 19327
 
 nets = dict((net.NAME, net) for net in set([BitcoinMainnet, BitcoinTestnet, NamecoinMainnet, NamecoinTestnet, LitecoinMainnet, LitecoinTestnet]))
+realnets = dict((net.NAME, net) for net in nets.itervalues() if '_testnet' not in net.NAME)