from p2pool.bitcoin import networks

# 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(networks.BitcoinMainnet):
    SHARE_PERIOD = 10 # seconds
    CHAIN_LENGTH = 24*60*60//10//2 # shares
    REAL_CHAIN_LENGTH = 24*60*60//10//2 # shares
    TARGET_LOOKBEHIND = 200 # shares
    SPREAD = 3 # blocks
    IDENTIFIER = 'fc70035c7a81bc6f'.decode('hex')
    PREFIX = '2472ef181efcd37b'.decode('hex')
    NAME = 'bitcoin'
    P2P_PORT = 9333
    MAX_TARGET = 2**256//2**32 - 1
    PERSIST = True
    WORKER_PORT = 9332

class BitcoinTestnet(networks.BitcoinTestnet):
    SHARE_PERIOD = 1 # seconds
    CHAIN_LENGTH = 24*60*60//10//2 # shares
    REAL_CHAIN_LENGTH = 24*60*60//10//2 # shares
    TARGET_LOOKBEHIND = 200 # shares
    SPREAD = 3 # blocks
    IDENTIFIER = '5fc2be2d4f0d6bfb'.decode('hex')
    PREFIX = '3f6057a15036f441'.decode('hex')
    NAME = 'bitcoin_testnet'
    P2P_PORT = 19333
    MAX_TARGET = 2**256//2**32 - 1
    PERSIST = False
    WORKER_PORT = 19332

class NamecoinMainnet(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')
    PREFIX = 'b56f3d0fb24fc982'.decode('hex')
    NAME = 'namecoin'
    P2P_PORT = 9334
    MAX_TARGET = 2**256//2**32 - 1
    PERSIST = True
    WORKER_PORT = 9331

class NamecoinTestnet(networks.NamecoinTestnet):
    SHARE_PERIOD = 1 # seconds
    CHAIN_LENGTH = 24*60*60//5 # shares
    REAL_CHAIN_LENGTH = 24*60*60//5 # 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
    PERSIST = False
    WORKER_PORT = 19331

class LitecoinMainnet(networks.LitecoinMainnet):
    SHARE_PERIOD = 10 # seconds
    CHAIN_LENGTH = 24*60*60//10//2 # shares
    REAL_CHAIN_LENGTH = 24*60*60//10//2 # shares
    TARGET_LOOKBEHIND = 200 # shares
    SPREAD = 12 # blocks
    IDENTIFIER = 'e037d5b8c6923410'.decode('hex')
    PREFIX = '7208c1a53ef629b0'.decode('hex')
    NAME = 'litecoin'
    P2P_PORT = 9338
    MAX_TARGET = 2**256//2**20 - 1
    PERSIST = True
    WORKER_PORT = 9327

class LitecoinTestnet(networks.LitecoinTestnet):
    SHARE_PERIOD = 1 # seconds
    CHAIN_LENGTH = 24*60*60//5 # shares
    REAL_CHAIN_LENGTH = 24*60*60//5 # shares
    TARGET_LOOKBEHIND = 200 # shares
    SPREAD = 12 # blocks
    IDENTIFIER = 'cca5e24ec6408b1e'.decode('hex')
    PREFIX = 'ad9614f6466a39cf'.decode('hex')
    NAME = 'litecoin_testnet'
    P2P_PORT = 19338
    MAX_TARGET = 2**256//2**17 - 1
    PERSIST = False
    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)