import itertools
import random
import time
+import os
from twisted.python import log
import p2pool
-from p2pool import skiplists, namecoin
+from p2pool import skiplists, namecoin, ixcoin, i0coin, solidcoin, litecoin
from p2pool.bitcoin import data as bitcoin_data, script
from p2pool.util import memoize, expiring_dict, math
gentx = share_info_to_gentx(self.share_info, self.header['target'], tracker, net)
if len(gentx['tx_ins'][0]['script']) > 100:
- raise ValueError('''coinbase too large!''')
+ raise ValueError('''coinbase too large! %i bytes''' % (len(gentx['tx_ins'][0]['script']),))
if check_merkle_branch(gentx, self.merkle_branch) != self.header['merkle_root']:
raise ValueError('''gentx doesn't match header via merkle_branch''')
self.shared = True
def __repr__(self):
- return '<Share %s>' % (' '.join('%s=%r' % (k, v) for k, v in self.__dict__.iteritems()),)
+ return '<Share %s>' % (' '.join('%s=%r' % (k, getattr(self, k)) for k in self.__slots__),)
def get_pool_attempts_per_second(tracker, previous_share_hash, net, dist=None):
if dist is None:
target = bitcoin_data.FloatingInteger.from_target_upper_bound(net.MAX_TARGET)
else:
attempts_per_second = get_pool_attempts_per_second(tracker, previous_share_hash, net)
- pre_target = 2**256//(net.SHARE_PERIOD*attempts_per_second) - 1
previous_share = tracker.shares[previous_share_hash] if previous_share_hash is not None else None
+ pre_target = 2**256//(net.SHARE_PERIOD*attempts_per_second) - 1
pre_target2 = math.clip(pre_target, (previous_share.target*9//10, previous_share.target*11//10))
pre_target3 = math.clip(pre_target2, (0, net.MAX_TARGET))
target = bitcoin_data.FloatingInteger.from_target_upper_bound(pre_target3)
# decide best verified head
scores = sorted(self.verified.tails.get(best_tail, []), key=lambda h: (
self.verified.get_work(self.verified.get_nth_parent_hash(h, min(5, self.verified.get_height(h)))),
+ #self.verified.shares[h].peer is None,
ht.get_min_height(self.verified.shares[h].previous_block),
- self.verified.shares[h].peer is None,
-self.verified.shares[h].time_seen
))
if p2pool.DEBUG:
- print len(self.verified.tails.get(best_tail, [])), '\\/\\/\\/\\/\\/'
+ print len(self.verified.tails), "chain tails and", len(self.verified.tails.get(best_tail, [])), 'chain heads. Top 10 tails:'
if len(scores) > 10:
print ' ...'
for h in scores[-10:]:
print ' ', format_hash(h), format_hash(self.verified.shares[h].previous_hash), (
self.verified.get_work(self.verified.get_nth_parent_hash(h, min(5, self.verified.get_height(h)))),
- ht.get_min_height(self.verified.shares[h].previous_block),
self.verified.shares[h].peer is None,
+ ht.get_min_height(self.verified.shares[h].previous_block),
-self.verified.shares[h].time_seen
)
# eat away at heads
if scores:
- while True:
+ for i in xrange(1000):
to_remove = set()
for share_hash, tail in self.heads.iteritems():
if share_hash in scores[-5:]:
#print 1
continue
- if self.shares[share_hash].time_seen > time.time() - 30:
+ if self.shares[share_hash].time_seen > time.time() - 300:
#print 2
continue
if share_hash not in self.verified.shares and max(self.shares[after_tail_hash].time_seen for after_tail_hash in self.reverse_shares.get(tail)) > time.time() - 120: # XXX stupid
#print "_________", to_remove
# drop tails
- while True:
+ for i in xrange(1000):
to_remove = set()
for tail, heads in self.tails.iteritems():
if min(self.get_height(head) for head in heads) < 2*self.net.CHAIN_LENGTH + 10:
return '%08x' % (x % 2**32)
class ShareStore(object):
- def __init__(self, filename, net):
- self.filename = filename
+ def __init__(self, prefix, net):
+ self.filename = prefix
self.net = net
+ self.known = None # will be filename -> set of share hashes, set of verified hashes
def get_shares(self):
- open(self.filename, 'a').close() # make empty file if it doesn't exist
+ if self.known is not None:
+ raise AssertionError()
+ known = {}
+ filenames, next = self.get_filenames_and_next()
+ for filename in filenames:
+ share_hashes, verified_hashes = known.setdefault(filename, (set(), set()))
+ with open(filename, 'rb') as f:
+ for line in f:
+ try:
+ type_id_str, data_hex = line.strip().split(' ')
+ type_id = int(type_id_str)
+ if type_id == 0:
+ share = Share.from_share1a(share1a_type.unpack(data_hex.decode('hex')))
+ yield 'share', share
+ share_hashes.add(share.hash)
+ elif type_id == 1:
+ share = Share.from_share1b(share1b_type.unpack(data_hex.decode('hex')))
+ yield 'share', share
+ share_hashes.add(share.hash)
+ elif type_id == 2:
+ verified_hash = int(data_hex, 16)
+ yield 'verified_hash', verified_hash
+ verified_hashes.add(verified_hash)
+ else:
+ raise NotImplementedError("share type %i" % (type_id,))
+ except Exception:
+ log.err(None, "Error while reading saved shares, continuing where left off:")
+ self.known = known
+
+ def _add_line(self, line):
+ filenames, next = self.get_filenames_and_next()
+ if filenames and os.path.getsize(filenames[-1]) < 10e6:
+ filename = filenames[-1]
+ else:
+ filename = next
- with open(self.filename) as f:
- for line in f:
- try:
- type_id_str, data_hex = line.strip().split(' ')
- type_id = int(type_id_str)
- if type_id == 0:
- yield 'share', Share.from_share1a(share1a_type.unpack(data_hex.decode('hex')))
- elif type_id == 1:
- yield 'share', Share.from_share1b(share1b_type.unpack(data_hex.decode('hex')))
- elif type_id == 2:
- yield 'verified_hash', int(data_hex, 16)
- else:
- raise NotImplementedError("share type %i" % (type_id,))
- except Exception:
- log.err(None, "Error while reading saved shares, continuing where left off:")
+ with open(filename, 'ab') as f:
+ f.write(line + '\n')
+
+ return filename
def add_share(self, share):
- f = open(self.filename, 'a')
if share.bitcoin_hash <= share.header['target']:
type_id, data = 1, share1b_type.pack(share.as_share1b())
else:
type_id, data = 0, share1a_type.pack(share.as_share1a())
- f.write("%i %s\n" % (type_id, data.encode('hex')))
- f.close()
+ filename = self._add_line("%i %s" % (type_id, data.encode('hex')))
+ share_hashes, verified_hashes = self.known.setdefault(filename, (set(), set()))
+ share_hashes.add(share.hash)
def add_verified_hash(self, share_hash):
- f = open(self.filename, 'a')
- f.write("%i %x\n" % (2, share_hash))
- f.close()
+ filename = self._add_line("%i %x" % (2, share_hash))
+ share_hashes, verified_hashes = self.known.setdefault(filename, (set(), set()))
+ verified_hashes.add(share_hash)
+
+ def get_filenames_and_next(self):
+ suffixes = sorted(int(x[len(self.filename):]) for x in os.listdir('.') if x.startswith(self.filename) and x[len(self.filename):].isdigit())
+ return [self.filename + str(suffix) for suffix in suffixes], self.filename + str(suffixes[-1] + 1) if suffixes else self.filename + str(0)
+
+ def forget_share(self, share_hash):
+ for filename, (share_hashes, verified_hashes) in self.known.iteritems():
+ if share_hash in share_hashes:
+ share_hashes.remove(share_hash)
+ self.check_remove()
+
+ def forget_verified_share(self, share_hash):
+ for filename, (share_hashes, verified_hashes) in self.known.iteritems():
+ if share_hash in verified_hashes:
+ verified_hashes.remove(share_hash)
+ self.check_remove()
+
+ def check_remove(self):
+ to_remove = set()
+ for filename, (share_hashes, verified_hashes) in self.known.iteritems():
+ #print filename, len(share_hashes) + len(verified_hashes)
+ if not share_hashes and not verified_hashes:
+ to_remove.add(filename)
+ for filename in to_remove:
+ self.known.pop(filename)
+ os.remove(filename)
+ print "REMOVED", filename
class Mainnet(bitcoin_data.Mainnet):
- SHARE_PERIOD = 5 # seconds
+ SHARE_PERIOD = 10 # seconds
CHAIN_LENGTH = 24*60*60//5 # shares
TARGET_LOOKBEHIND = 200 # shares
SPREAD = 3 # blocks
SCRIPT = '4104ffd03de44a6e11b9917f3a29f9443283d9871c9d743ef30d5eddcd37094b64d1b3d8090496b53256786bf5c82932ec23c3b74d9f05a6f95a8b5529352656664bac'.decode('hex')
IDENTIFIER = 'fc70035c7a81bc6f'.decode('hex')
PREFIX = '2472ef181efcd37b'.decode('hex')
- ADDRS_TABLE = 'addrs'
+ NAME = 'bitcoin'
P2P_PORT = 9333
MAX_TARGET = 2**256//2**32 - 1
PERSIST = True
- SHARESTORE_FILENAME = 'shares.dat'
- HEADERSTORE_FILENAME = 'headers.dat'
+ WORKER_PORT = 9332
class Testnet(bitcoin_data.Testnet):
SHARE_PERIOD = 1 # seconds
SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
IDENTIFIER = '5fc2be2d4f0d6bfb'.decode('hex')
PREFIX = '3f6057a15036f441'.decode('hex')
- ADDRS_TABLE = 'addrs_testnet'
+ NAME = 'bitcoin_testnet'
P2P_PORT = 19333
- MAX_TARGET = 2**256//2**20 - 1
+ MAX_TARGET = 2**256//2**32 - 1
PERSIST = False
- SHARESTORE_FILENAME = 'testnet_shares.dat'
- HEADERSTORE_FILENAME = 'testnet_headers.dat'
+ WORKER_PORT = 19332
class NamecoinMainnet(namecoin.NamecoinMainnet):
SHARE_PERIOD = 10 # seconds
SCRIPT = '41043da5beb73f8f18cede1a41b0ed953123f1342b8e0216ab5bf71ed3e024201b4017f472bddb6041f17978d89ed8f8ed84f9e726b0bca80cacf96347c7153e8df0ac'.decode('hex')
IDENTIFIER = 'd5b1192062c4c454'.decode('hex')
PREFIX = 'b56f3d0fb24fc982'.decode('hex')
- ADDRS_TABLE = 'addrs_namecoin'
+ NAME = 'namecoin'
P2P_PORT = 9334
MAX_TARGET = 2**256//2**32 - 1
PERSIST = True
- SHARESTORE_FILENAME = 'namecoin_shares.dat'
- HEADERSTORE_FILENAME = 'namecoin_headers.dat'
+ WORKER_PORT = 9331
class NamecoinTestnet(namecoin.NamecoinTestnet):
SHARE_PERIOD = 1 # seconds
SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
IDENTIFIER = '8dd303d014a01a60'.decode('hex')
PREFIX = '4d6581d24f51acbf'.decode('hex')
- ADDRS_TABLE = 'addrs_namecoin_testnet'
+ NAME = 'namecoin_testnet'
P2P_PORT = 19334
MAX_TARGET = 2**256//2**20 - 1
PERSIST = False
- SHARESTORE_FILENAME = 'namecoin_testnet_shares.dat'
- HEADERSTORE_FILENAME = 'namecoin_testnet_headers.dat'
+ WORKER_PORT = 19331
+
+class IxcoinMainnet(ixcoin.IxcoinMainnet):
+ SHARE_PERIOD = 10 # seconds
+ CHAIN_LENGTH = 24*60*60//10 # shares
+ TARGET_LOOKBEHIND = 3600//10 # shares
+ SPREAD = 3 # blocks
+ SCRIPT = '41043da5beb73f8f18cede1a41b0ed953123f1342b8e0216ab5bf71ed3e024201b4017f472bddb6041f17978d89ed8f8ed84f9e726b0bca80cacf96347c7153e8df0ac'.decode('hex')
+ IDENTIFIER = '27b564116e2a2666'.decode('hex')
+ PREFIX = '9dd6c4a619401f2f'.decode('hex')
+ NAME = 'ixcoin'
+ P2P_PORT = 9335
+ MAX_TARGET = 2**256//2**32 - 1
+ PERSIST = True
+ WORKER_PORT = 9330
+
+class IxcoinTestnet(ixcoin.IxcoinTestnet):
+ SHARE_PERIOD = 1 # seconds
+ CHAIN_LENGTH = 24*60*60//5 # shares
+ TARGET_LOOKBEHIND = 200 # shares
+ SPREAD = 3 # blocks
+ SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
+ IDENTIFIER = '7430cbeb01249e44'.decode('hex')
+ PREFIX = '7cfffda946709c1f'.decode('hex')
+ NAME = 'ixcoin_testnet'
+ P2P_PORT = 19335
+ MAX_TARGET = 2**256//2**20 - 1
+ PERSIST = False
+ WORKER_PORT = 19330
+
+class I0coinMainnet(i0coin.I0coinMainnet):
+ SHARE_PERIOD = 10 # seconds
+ CHAIN_LENGTH = 24*60*60//10 # shares
+ TARGET_LOOKBEHIND = 3600//10 # shares
+ SPREAD = 3 # blocks
+ SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
+ IDENTIFIER = 'b32e3f10c2ff221b'.decode('hex')
+ PREFIX = '6155537ed977a3b5'.decode('hex')
+ NAME = 'i0coin'
+ P2P_PORT = 9336
+ MAX_TARGET = 2**256//2**32 - 1
+ PERSIST = False
+ WORKER_PORT = 9329
+
+class I0coinTestnet(i0coin.I0coinTestnet):
+ SHARE_PERIOD = 1 # seconds
+ CHAIN_LENGTH = 24*60*60//5 # shares
+ TARGET_LOOKBEHIND = 200 # shares
+ SPREAD = 3 # blocks
+ SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
+ IDENTIFIER = '7712c1a8181b5f2e'.decode('hex')
+ PREFIX = '792d2e7d770fbe68'.decode('hex')
+ NAME = 'i0coin_testnet'
+ P2P_PORT = 19336
+ MAX_TARGET = 2**256//2**20 - 1
+ PERSIST = False
+ WORKER_PORT = 19329
+
+class SolidcoinMainnet(solidcoin.SolidcoinMainnet):
+ SHARE_PERIOD = 10
+ CHAIN_LENGTH = 24*60*60//10 # shares
+ TARGET_LOOKBEHIND = 3600//10 # shares
+ SPREAD = 3 # blocks
+ SCRIPT = bitcoin_data.pubkey_hash_to_script2(bitcoin_data.address_to_pubkey_hash('sMKZ1yxHETxPYKh4Z2anWnwZDJZU7ztroy', solidcoin.SolidcoinMainnet))
+ IDENTIFIER = '9cc9c421cca258cd'.decode('hex')
+ PREFIX = 'c059125b8070f00a'.decode('hex')
+ NAME = 'solidcoin'
+ P2P_PORT = 9337
+ MAX_TARGET = 2**256//2**32 - 1
+ PERSIST = True
+ WORKER_PORT = 9328
+
+class LitecoinMainnet(litecoin.LitecoinMainnet):
+ SHARE_PERIOD = 10 # seconds
+ CHAIN_LENGTH = 24*60*60//5 # shares
+ TARGET_LOOKBEHIND = 200 # shares
+ SPREAD = 12 # blocks
+ SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
+ IDENTIFIER = 'e037d5b8c6923410'.decode('hex')
+ PREFIX = '7208c1a53ef629b0'.decode('hex')
+ NAME = 'litecoin'
+ P2P_PORT = 9338
+ MAX_TARGET = 2**256//2**32 - 1
+ PERSIST = True
+ WORKER_PORT = 9327
+
+class LitecoinTestnet(litecoin.LitecoinTestnet):
+ SHARE_PERIOD = 1 # seconds
+ CHAIN_LENGTH = 24*60*60//5 # shares
+ TARGET_LOOKBEHIND = 200 # shares
+ SPREAD = 12 # blocks
+ SCRIPT = '410403ad3dee8ab3d8a9ce5dd2abfbe7364ccd9413df1d279bf1a207849310465b0956e5904b1155ecd17574778f9949589ebfd4fb33ce837c241474a225cf08d85dac'.decode('hex')
+ IDENTIFIER = 'cca5e24ec6408b1e'.decode('hex')
+ PREFIX = 'ad9614f6466a39cf'.decode('hex')
+ NAME = 'litecoin_testnet'
+ P2P_PORT = 19338
+ MAX_TARGET = 2**256//2**20 - 1
+ PERSIST = False
+ WORKER_PORT = 19327
+nets = dict((net.NAME, net) for net in set([Mainnet, Testnet, NamecoinMainnet, NamecoinTestnet, IxcoinMainnet, IxcoinTestnet, I0coinMainnet, I0coinTestnet, SolidcoinMainnet, LitecoinMainnet, LitecoinTestnet]))
git://git.novaco.in / p2pool.git / blobdiff