1 from __future__ import division
15 from twisted.internet import defer, error, reactor, protocol, task
16 from twisted.web import server, resource
17 from twisted.python import log
18 from nattraverso import portmapper, ipdiscover
20 import bitcoin.p2p as bitcoin_p2p, bitcoin.getwork as bitcoin_getwork, bitcoin.data as bitcoin_data
21 from bitcoin import worker_interface
22 from util import expiring_dict, jsonrpc, variable, deferral, math, logging, pack
23 from . import p2p, networks, graphs
24 import p2pool, p2pool.data as p2pool_data
26 @deferral.retry('Error getting work from bitcoind:', 3)
27 @defer.inlineCallbacks
28 def getwork(bitcoind):
29 work = yield bitcoind.rpc_getmemorypool()
30 transactions = [bitcoin_data.tx_type.unpack(x.decode('hex')) for x in work['transactions']]
31 defer.returnValue(dict(
32 version=work['version'],
33 previous_block_hash=int(work['previousblockhash'], 16),
34 transactions=transactions,
35 merkle_branch=bitcoin_data.calculate_merkle_branch([0] + [bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in transactions], 0),
36 subsidy=work['coinbasevalue'],
38 bits=bitcoin_data.FloatingIntegerType().unpack(work['bits'].decode('hex')[::-1]) if isinstance(work['bits'], (str, unicode)) else bitcoin_data.FloatingInteger(work['bits']),
39 coinbaseflags=work['coinbaseflags'].decode('hex') if 'coinbaseflags' in work else ''.join(x.decode('hex') for x in work['coinbaseaux'].itervalues()) if 'coinbaseaux' in work else '',
42 @defer.inlineCallbacks
43 def main(args, net, datadir_path):
45 print 'p2pool (version %s)' % (p2pool.__version__,)
51 print "Install Pygame and PIL to enable visualizations! Visualizations disabled."
54 # connect to bitcoind over JSON-RPC and do initial getmemorypool
55 url = 'http://%s:%i/' % (args.bitcoind_address, args.bitcoind_rpc_port)
56 print '''Testing bitcoind RPC connection to '%s' with username '%s'...''' % (url, args.bitcoind_rpc_username)
57 bitcoind = jsonrpc.Proxy(url, (args.bitcoind_rpc_username, args.bitcoind_rpc_password))
58 good = yield deferral.retry('Error while checking bitcoind identity:', 1)(net.PARENT.RPC_CHECK)(bitcoind)
60 print >>sys.stderr, " Check failed! Make sure that you're connected to the right bitcoind with --bitcoind-rpc-port!"
62 temp_work = yield getwork(bitcoind)
64 print ' Current block hash: %x' % (temp_work['previous_block_hash'],)
67 # connect to bitcoind over bitcoin-p2p
68 print '''Testing bitcoind P2P connection to '%s:%s'...''' % (args.bitcoind_address, args.bitcoind_p2p_port)
69 factory = bitcoin_p2p.ClientFactory(net.PARENT)
70 reactor.connectTCP(args.bitcoind_address, args.bitcoind_p2p_port, factory)
71 yield factory.getProtocol() # waits until handshake is successful
75 if args.pubkey_hash is None:
76 print 'Getting payout address from bitcoind...'
77 my_script = yield deferral.retry('Error getting payout address from bitcoind:', 5)(defer.inlineCallbacks(lambda: defer.returnValue(
78 bitcoin_data.pubkey_hash_to_script2(bitcoin_data.address_to_pubkey_hash((yield bitcoind.rpc_getaccountaddress('p2pool')), net.PARENT)))
81 print 'Computing payout script from provided address....'
82 my_script = bitcoin_data.pubkey_hash_to_script2(args.pubkey_hash)
84 print ' Payout script:', bitcoin_data.script2_to_human(my_script, net.PARENT)
87 ht = bitcoin_p2p.HeightTracker(bitcoind, factory)
89 my_share_hashes = set()
90 my_doa_share_hashes = set()
92 tracker = p2pool_data.OkayTracker(net, my_share_hashes, my_doa_share_hashes)
93 shared_share_hashes = set()
94 ss = p2pool_data.ShareStore(os.path.join(datadir_path, 'shares.'), net)
95 known_verified = set()
97 print "Loading shares..."
98 for i, (mode, contents) in enumerate(ss.get_shares()):
100 if contents.hash in tracker.shares:
102 shared_share_hashes.add(contents.hash)
103 contents.time_seen = 0
104 tracker.add(contents)
105 if len(tracker.shares) % 1000 == 0 and tracker.shares:
106 print " %i" % (len(tracker.shares),)
107 elif mode == 'verified_hash':
108 known_verified.add(contents)
110 raise AssertionError()
111 print " ...inserting %i verified shares..." % (len(known_verified),)
112 for h in known_verified:
113 if h not in tracker.shares:
114 ss.forget_verified_share(h)
116 tracker.verified.add(tracker.shares[h])
117 print " ...done loading %i shares!" % (len(tracker.shares),)
119 tracker.removed.watch(lambda share: ss.forget_share(share.hash))
120 tracker.verified.removed.watch(lambda share: ss.forget_verified_share(share.hash))
121 tracker.removed.watch(lambda share: shared_share_hashes.discard(share.hash))
123 peer_heads = expiring_dict.ExpiringDict(300) # hash -> peers that know of it
125 pre_current_work = variable.Variable(None)
126 pre_merged_work = variable.Variable(None)
127 # information affecting work that should trigger a long-polling update
128 current_work = variable.Variable(None)
129 # information affecting work that should not trigger a long-polling update
130 current_work2 = variable.Variable(None)
132 requested = expiring_dict.ExpiringDict(300)
134 @defer.inlineCallbacks
135 def set_real_work1():
136 work = yield getwork(bitcoind)
137 current_work2.set(dict(
139 transactions=work['transactions'],
140 merkle_branch=work['merkle_branch'],
141 subsidy=work['subsidy'],
142 clock_offset=time.time() - work['time'],
143 last_update=time.time(),
144 )) # second set first because everything hooks on the first
145 pre_current_work.set(dict(
146 version=work['version'],
147 previous_block=work['previous_block_hash'],
149 coinbaseflags=work['coinbaseflags'],
152 def set_real_work2():
153 best, desired = tracker.think(ht, pre_current_work.value['previous_block'])
155 t = dict(pre_current_work.value)
156 t['best_share_hash'] = best
157 t['aux_work'] = pre_merged_work.value
161 for peer2, share_hash in desired:
162 if share_hash not in tracker.tails: # was received in the time tracker.think was running
164 last_request_time, count = requested.get(share_hash, (None, 0))
165 if last_request_time is not None and last_request_time - 5 < t < last_request_time + 10 * 1.5**count:
167 potential_peers = set()
168 for head in tracker.tails[share_hash]:
169 potential_peers.update(peer_heads.get(head, set()))
170 potential_peers = [peer for peer in potential_peers if peer.connected2]
171 if count == 0 and peer2 is not None and peer2.connected2:
174 peer = random.choice(potential_peers) if potential_peers and random.random() > .2 else peer2
178 print 'Requesting parent share %s from %s' % (p2pool_data.format_hash(share_hash), '%s:%i' % peer.addr)
182 stops=list(set(tracker.heads) | set(
183 tracker.get_nth_parent_hash(head, min(max(0, tracker.get_height_and_last(head)[0] - 1), 10)) for head in tracker.heads
186 requested[share_hash] = t, count + 1
187 pre_current_work.changed.watch(lambda _: set_real_work2())
189 print 'Initializing work...'
190 yield set_real_work1()
194 pre_merged_work.changed.watch(lambda _: set_real_work2())
195 ht.updated.watch(set_real_work2)
197 merged_proxy = jsonrpc.Proxy(args.merged_url, (args.merged_userpass,)) if args.merged_url else None
199 @defer.inlineCallbacks
200 def set_merged_work():
202 auxblock = yield deferral.retry('Error while calling merged getauxblock:', 1)(merged_proxy.rpc_getauxblock)()
203 pre_merged_work.set(dict(
204 hash=int(auxblock['hash'], 16),
205 target=pack.IntType(256).unpack(auxblock['target'].decode('hex')),
206 chain_id=auxblock['chainid'],
208 yield deferral.sleep(1)
209 if merged_proxy is not None:
212 @pre_merged_work.changed.watch
213 def _(new_merged_work):
214 print "Got new merged mining work! Difficulty: %f" % (bitcoin_data.target_to_difficulty(new_merged_work['target']),)
216 # setup p2p logic and join p2pool network
218 class Node(p2p.Node):
219 def handle_shares(self, shares, peer):
221 print 'Processing %i shares from %s...' % (len(shares), '%s:%i' % peer.addr if peer is not None else None)
225 if share.hash in tracker.shares:
226 #print 'Got duplicate share, ignoring. Hash: %s' % (p2pool_data.format_hash(share.hash),)
231 #print 'Received share %s from %r' % (p2pool_data.format_hash(share.hash), share.peer.addr if share.peer is not None else None)
235 if shares and peer is not None:
236 peer_heads.setdefault(shares[0].hash, set()).add(peer)
242 print '... done processing %i shares. New: %i Have: %i/~%i' % (len(shares), new_count, len(tracker.shares), 2*net.CHAIN_LENGTH)
244 def handle_share_hashes(self, hashes, peer):
247 for share_hash in hashes:
248 if share_hash in tracker.shares:
250 last_request_time, count = requested.get(share_hash, (None, 0))
251 if last_request_time is not None and last_request_time - 5 < t < last_request_time + 10 * 1.5**count:
253 print 'Got share hash, requesting! Hash: %s' % (p2pool_data.format_hash(share_hash),)
254 get_hashes.append(share_hash)
255 requested[share_hash] = t, count + 1
257 if hashes and peer is not None:
258 peer_heads.setdefault(hashes[0], set()).add(peer)
260 peer.send_getshares(hashes=get_hashes, parents=0, stops=[])
262 def handle_get_shares(self, hashes, parents, stops, peer):
263 parents = min(parents, 1000//len(hashes))
266 for share_hash in hashes:
267 for share in tracker.get_chain(share_hash, min(parents + 1, tracker.get_height(share_hash))):
268 if share.hash in stops:
271 print 'Sending %i shares to %s:%i' % (len(shares), peer.addr[0], peer.addr[1])
272 peer.sendShares(shares)
274 @tracker.verified.added.watch
276 if share.pow_hash <= share.header['bits'].target:
277 if factory.conn.value is not None:
278 factory.conn.value.send_block(block=share.as_block(tracker))
280 print >>sys.stderr, 'No bitcoind connection when block submittal attempted! Erp!'
282 print 'GOT BLOCK FROM PEER! Passing to bitcoind! %s bitcoin: %x' % (p2pool_data.format_hash(share.hash), share.header_hash)
284 recent_blocks.append({ 'ts': share.timestamp, 'hash': '%x' % (share.header_hash) })
286 print 'Joining p2pool network using port %i...' % (args.p2pool_port,)
288 @defer.inlineCallbacks
291 ip, port = x.split(':')
292 defer.returnValue(((yield reactor.resolve(ip)), int(port)))
294 defer.returnValue(((yield reactor.resolve(x)), net.P2P_PORT))
297 if os.path.exists(os.path.join(datadir_path, 'addrs.txt')):
299 addrs.update(dict(eval(x) for x in open(os.path.join(datadir_path, 'addrs.txt'))))
301 print >>sys.stderr, "error reading addrs"
302 for addr_df in map(parse, net.BOOTSTRAP_ADDRS):
305 if addr not in addrs:
306 addrs[addr] = (0, time.time(), time.time())
310 connect_addrs = set()
311 for addr_df in map(parse, args.p2pool_nodes):
313 connect_addrs.add((yield addr_df))
318 best_share_hash_func=lambda: current_work.value['best_share_hash'],
319 port=args.p2pool_port,
322 connect_addrs=connect_addrs,
327 open(os.path.join(datadir_path, 'addrs.txt'), 'w').writelines(repr(x) + '\n' for x in p2p_node.addr_store.iteritems())
328 task.LoopingCall(save_addrs).start(60)
330 # send share when the chain changes to their chain
331 def work_changed(new_work):
332 #print 'Work changed:', new_work
334 for share in tracker.get_chain(new_work['best_share_hash'], min(5, tracker.get_height(new_work['best_share_hash']))):
335 if share.hash in shared_share_hashes:
337 shared_share_hashes.add(share.hash)
340 for peer in p2p_node.peers.itervalues():
341 peer.sendShares([share for share in shares if share.peer is not peer])
343 current_work.changed.watch(work_changed)
346 for share in tracker.get_chain(current_work.value['best_share_hash'], min(tracker.get_height(current_work.value['best_share_hash']), 2*net.CHAIN_LENGTH)):
348 if share.hash in tracker.verified.shares:
349 ss.add_verified_hash(share.hash)
350 task.LoopingCall(save_shares).start(60)
355 @defer.inlineCallbacks
359 is_lan, lan_ip = yield ipdiscover.get_local_ip()
361 pm = yield portmapper.get_port_mapper()
362 yield pm._upnp.add_port_mapping(lan_ip, args.p2pool_port, args.p2pool_port, 'p2pool', 'TCP')
363 except defer.TimeoutError:
367 log.err(None, "UPnP error:")
368 yield deferral.sleep(random.expovariate(1/120))
373 # start listening for workers with a JSON-RPC server
375 print 'Listening for workers on port %i...' % (args.worker_port,)
377 if os.path.exists(os.path.join(datadir_path, 'vip_pass')):
378 with open(os.path.join(datadir_path, 'vip_pass'), 'rb') as f:
379 vip_pass = f.read().strip('\r\n')
381 vip_pass = '%016x' % (random.randrange(2**64),)
382 with open(os.path.join(datadir_path, 'vip_pass'), 'wb') as f:
384 print ' Worker password:', vip_pass, '(only required for generating graphs)'
388 removed_unstales_var = variable.Variable((0, 0, 0))
389 @tracker.verified.removed.watch
391 if share.hash in my_share_hashes and tracker.is_child_of(share.hash, current_work.value['best_share_hash']):
392 assert share.share_data['stale_info'] in [0, 253, 254] # we made these shares in this instance
393 removed_unstales_var.set((
394 removed_unstales_var.value[0] + 1,
395 removed_unstales_var.value[1] + (1 if share.share_data['stale_info'] == 253 else 0),
396 removed_unstales_var.value[2] + (1 if share.share_data['stale_info'] == 254 else 0),
399 removed_doa_unstales_var = variable.Variable(0)
400 @tracker.verified.removed.watch
402 if share.hash in my_doa_share_hashes and tracker.is_child_of(share.hash, current_work.value['best_share_hash']):
403 removed_doa_unstales.set(removed_doa_unstales.value + 1)
405 def get_stale_counts():
406 '''Returns (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain)'''
407 my_shares = len(my_share_hashes)
408 my_doa_shares = len(my_doa_share_hashes)
409 delta = tracker.verified.get_delta(current_work.value['best_share_hash'])
410 my_shares_in_chain = delta.my_count + removed_unstales_var.value[0]
411 my_doa_shares_in_chain = delta.my_doa_count + removed_doa_unstales_var.value
412 orphans_recorded_in_chain = delta.my_orphan_announce_count + removed_unstales_var.value[1]
413 doas_recorded_in_chain = delta.my_dead_announce_count + removed_unstales_var.value[2]
415 my_shares_not_in_chain = my_shares - my_shares_in_chain
416 my_doa_shares_not_in_chain = my_doa_shares - my_doa_shares_in_chain
418 return (my_shares_not_in_chain - my_doa_shares_not_in_chain, my_doa_shares_not_in_chain), my_shares, (orphans_recorded_in_chain, doas_recorded_in_chain)
420 class WorkerBridge(worker_interface.WorkerBridge):
422 worker_interface.WorkerBridge.__init__(self)
423 self.new_work_event = current_work.changed
425 self.merkle_root_to_transactions = expiring_dict.ExpiringDict(300)
426 self.recent_shares_ts_work = []
428 def _get_payout_script_from_username(self, user):
432 pubkey_hash = bitcoin_data.address_to_pubkey_hash(user, net.PARENT)
435 return bitcoin_data.pubkey_hash_to_script2(pubkey_hash)
437 def preprocess_request(self, request):
438 payout_script = self._get_payout_script_from_username(request.getUser())
439 if payout_script is None or random.uniform(0, 100) < args.worker_fee:
440 payout_script = my_script
441 return payout_script,
443 def get_work(self, payout_script):
444 if len(p2p_node.peers) == 0 and net.PERSIST:
445 raise jsonrpc.Error(-12345, u'p2pool is not connected to any peers')
446 if current_work.value['best_share_hash'] is None and net.PERSIST:
447 raise jsonrpc.Error(-12345, u'p2pool is downloading shares')
448 if time.time() > current_work2.value['last_update'] + 60:
449 raise jsonrpc.Error(-12345, u'lost contact with bitcoind')
451 share_info, generate_tx = p2pool_data.generate_transaction(
454 previous_share_hash=current_work.value['best_share_hash'],
455 coinbase=(('' if current_work.value['aux_work'] is None else
456 '\xfa\xbemm' + pack.IntType(256, 'big').pack(current_work.value['aux_work']['hash']) + struct.pack('<ii', 1, 0)) + current_work.value['coinbaseflags'])[:100],
457 nonce=struct.pack('<Q', random.randrange(2**64)),
458 new_script=payout_script,
459 subsidy=current_work2.value['subsidy'],
460 donation=math.perfect_round(65535*args.donation_percentage/100),
461 stale_info=(lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain):
462 253 if orphans > orphans_recorded_in_chain else
463 254 if doas > doas_recorded_in_chain else
465 )(*get_stale_counts()),
467 block_target=current_work.value['bits'].target,
468 desired_timestamp=int(time.time() - current_work2.value['clock_offset']),
472 target = 2**256//2**32 - 1
473 if len(self.recent_shares_ts_work) == 50:
474 hash_rate = sum(work for ts, work in self.recent_shares_ts_work)//(self.recent_shares_ts_work[-1][0] - self.recent_shares_ts_work[0][0])
475 target = min(target, 2**256//(hash_rate * 5))
476 target = max(target, share_info['bits'].target)
477 if current_work.value['aux_work']:
478 target = max(target, current_work.value['aux_work']['target'])
480 transactions = [generate_tx] + list(current_work2.value['transactions'])
481 merkle_root = bitcoin_data.check_merkle_branch(bitcoin_data.hash256(bitcoin_data.tx_type.pack(generate_tx)), 0, current_work2.value['merkle_branch'])
482 self.merkle_root_to_transactions[merkle_root] = share_info, transactions, time.time(), current_work.value['aux_work'], target, current_work2.value['merkle_branch']
484 print 'New work for worker! Difficulty: %.06f Share difficulty: %.06f Payout if block: %.6f %s Total block value: %.6f %s including %i transactions' % (
485 bitcoin_data.target_to_difficulty(target),
486 bitcoin_data.target_to_difficulty(share_info['bits'].target),
487 (sum(t['value'] for t in generate_tx['tx_outs'] if t['script'] == payout_script) - current_work2.value['subsidy']//200)*1e-8, net.PARENT.SYMBOL,
488 current_work2.value['subsidy']*1e-8, net.PARENT.SYMBOL,
489 len(current_work2.value['transactions']),
492 return bitcoin_getwork.BlockAttempt(
493 version=current_work.value['version'],
494 previous_block=current_work.value['previous_block'],
495 merkle_root=merkle_root,
496 timestamp=current_work2.value['time'],
497 bits=current_work.value['bits'],
501 def got_response(self, header, request):
502 # match up with transactions
503 if header['merkle_root'] not in self.merkle_root_to_transactions:
504 print >>sys.stderr, '''Couldn't link returned work's merkle root with its transactions - should only happen if you recently restarted p2pool'''
506 share_info, transactions, getwork_time, aux_work, target, merkle_branch = self.merkle_root_to_transactions[header['merkle_root']]
508 pow_hash = net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header))
509 on_time = current_work.value['best_share_hash'] == share_info['share_data']['previous_share_hash']
512 if pow_hash <= header['bits'].target or p2pool.DEBUG:
513 if factory.conn.value is not None:
514 factory.conn.value.send_block(block=dict(header=header, txs=transactions))
516 print >>sys.stderr, 'No bitcoind connection when block submittal attempted! Erp!'
517 if pow_hash <= header['bits'].target:
519 print 'GOT BLOCK FROM MINER! Passing to bitcoind! bitcoin: %x' % (bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)),)
521 recent_blocks.append({ 'ts': time.time(), 'hash': '%x' % (bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)),) })
523 log.err(None, 'Error while processing potential block:')
526 if aux_work is not None and (pow_hash <= aux_work['target'] or p2pool.DEBUG):
527 df = deferral.retry('Error submitting merged block: (will retry)', 10, 10)(merged_proxy.rpc_getauxblock)(
528 pack.IntType(256, 'big').pack(aux_work['hash']).encode('hex'),
529 bitcoin_data.aux_pow_type.pack(dict(
532 block_hash=bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)),
533 merkle_branch=merkle_branch,
538 parent_block_header=header,
543 if result != (pow_hash <= aux_work['target']):
544 print >>sys.stderr, 'Merged block submittal result: %s Expected: %s' % (result, pow_hash <= aux_work['target'])
546 print 'Merged block submittal result: %s' % (result,)
549 log.err(err, 'Error submitting merged block:')
551 log.err(None, 'Error while processing merged mining POW:')
553 if pow_hash <= share_info['bits'].target:
554 share = p2pool_data.Share(net, header, share_info, other_txs=transactions[1:])
555 print 'GOT SHARE! %s %s prev %s age %.2fs%s' % (
557 p2pool_data.format_hash(share.hash),
558 p2pool_data.format_hash(share.previous_hash),
559 time.time() - getwork_time,
560 ' DEAD ON ARRIVAL' if not on_time else '',
562 my_share_hashes.add(share.hash)
564 my_doa_share_hashes.add(share.hash)
568 tracker.verified.add(share)
572 if pow_hash <= header['bits'].target:
573 for peer in p2p_node.peers.itervalues():
574 peer.sendShares([share])
575 shared_share_hashes.add(share.hash)
577 log.err(None, 'Error forwarding block solution:')
579 if pow_hash <= target:
580 reactor.callLater(1, grapher.add_localrate_point, bitcoin_data.target_to_average_attempts(target), not on_time)
581 if request.getPassword() == vip_pass:
582 reactor.callLater(1, grapher.add_localminer_point, request.getUser(), bitcoin_data.target_to_average_attempts(target), not on_time)
583 self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target)))
584 while len(self.recent_shares_ts_work) > 50:
585 self.recent_shares_ts_work.pop(0)
587 if pow_hash > target:
588 print 'Worker submitted share with hash > target:'
589 print ' Hash: %56x' % (pow_hash,)
590 print ' Target: %56x' % (target,)
594 web_root = resource.Resource()
595 worker_interface.WorkerInterface(WorkerBridge()).attach_to(web_root)
598 if tracker.get_height(current_work.value['best_share_hash']) < 720:
599 return json.dumps(None)
600 return json.dumps(p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
601 / (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720)))
604 height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
605 weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
607 for script in sorted(weights, key=lambda s: weights[s]):
608 res[bitcoin_data.script2_to_human(script, net.PARENT)] = weights[script]/total_weight
609 return json.dumps(res)
611 def get_current_txouts():
612 share = tracker.shares[current_work.value['best_share_hash']]
613 share_info, gentx = p2pool_data.generate_transaction(tracker, share.share_info['share_data'], share.header['bits'].target, share.share_info['timestamp'], share.net)
614 return dict((out['script'], out['value']) for out in gentx['tx_outs'])
616 def get_current_scaled_txouts(scale, trunc=0):
617 txouts = get_current_txouts()
618 total = sum(txouts.itervalues())
619 results = dict((script, value*scale//total) for script, value in txouts.iteritems())
623 for s in sorted(results, key=results.__getitem__):
624 total_random += results[s]
626 if total_random >= trunc and results[s] >= trunc:
628 winner = math.weighted_choice((script, results[script]) for script in random_set)
629 for script in random_set:
631 results[winner] = total_random
632 if sum(results.itervalues()) < int(scale):
633 results[math.weighted_choice(results.iteritems())] += int(scale) - sum(results.itervalues())
636 def get_current_payouts():
637 return json.dumps(dict((bitcoin_data.script2_to_human(script, net.PARENT), value/1e8) for script, value in get_current_txouts().iteritems()))
639 def get_patron_sendmany(this):
642 this, trunc = this.split('/', 1)
645 return json.dumps(dict(
646 (bitcoin_data.script2_to_address(script, net.PARENT), value/1e8)
647 for script, value in get_current_scaled_txouts(scale=int(float(this)*1e8), trunc=int(float(trunc)*1e8)).iteritems()
648 if bitcoin_data.script2_to_address(script, net.PARENT) is not None
651 return json.dumps(None)
653 def get_global_stats():
654 # averaged over last hour
655 lookbehind = 3600//net.SHARE_PERIOD
656 if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
659 nonstale_hash_rate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)
660 stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
661 return json.dumps(dict(
662 pool_nonstale_hash_rate=nonstale_hash_rate,
663 pool_hash_rate=nonstale_hash_rate/(1 - stale_prop),
664 pool_stale_prop=stale_prop,
667 def get_local_stats():
668 lookbehind = 3600//net.SHARE_PERIOD
669 if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
672 global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
674 my_unstale_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes)
675 my_orphan_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 253)
676 my_doa_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 254)
677 my_share_count = my_unstale_count + my_orphan_count + my_doa_count
678 my_stale_count = my_orphan_count + my_doa_count
680 my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None
682 my_work = sum(bitcoin_data.target_to_average_attempts(share.target)
683 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind - 1)
684 if share.hash in my_share_hashes)
685 actual_time = (tracker.shares[current_work.value['best_share_hash']].timestamp -
686 tracker.shares[tracker.get_nth_parent_hash(current_work.value['best_share_hash'], lookbehind - 1)].timestamp)
687 share_att_s = my_work / actual_time
689 return json.dumps(dict(
690 my_hash_rates_in_last_hour=dict(
691 nonstale=share_att_s,
692 rewarded=share_att_s/(1 - global_stale_prop),
693 actual=share_att_s/(1 - my_stale_prop) if my_stale_prop is not None else 0, # 0 because we don't have any shares anyway
695 my_share_counts_in_last_hour=dict(
696 shares=my_share_count,
697 unstale_shares=my_unstale_count,
698 stale_shares=my_stale_count,
699 orphan_stale_shares=my_orphan_count,
700 doa_stale_shares=my_doa_count,
702 my_stale_proportions_in_last_hour=dict(
704 orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None,
705 dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None,
709 def get_peer_addresses():
710 return ' '.join(peer.transport.getPeer().host + (':' + str(peer.transport.getPeer().port) if peer.transport.getPeer().port != net.P2P_PORT else '') for peer in p2p_node.peers.itervalues())
712 class WebInterface(resource.Resource):
713 def __init__(self, func, mime_type, *fields):
714 self.func, self.mime_type, self.fields = func, mime_type, fields
716 def render_GET(self, request):
717 request.setHeader('Content-Type', self.mime_type)
718 request.setHeader('Access-Control-Allow-Origin', '*')
719 return self.func(*(request.args[field][0] for field in self.fields))
721 web_root.putChild('rate', WebInterface(get_rate, 'application/json'))
722 web_root.putChild('users', WebInterface(get_users, 'application/json'))
723 web_root.putChild('fee', WebInterface(lambda: json.dumps(args.worker_fee), 'application/json'))
724 web_root.putChild('current_payouts', WebInterface(get_current_payouts, 'application/json'))
725 web_root.putChild('patron_sendmany', WebInterface(get_patron_sendmany, 'text/plain', 'total'))
726 web_root.putChild('global_stats', WebInterface(get_global_stats, 'application/json'))
727 web_root.putChild('local_stats', WebInterface(get_local_stats, 'application/json'))
728 web_root.putChild('peer_addresses', WebInterface(get_peer_addresses, 'text/plain'))
729 web_root.putChild('payout_addr', WebInterface(lambda: json.dumps(bitcoin_data.script2_to_human(my_script, net.PARENT)), 'application/json'))
730 web_root.putChild('recent_blocks', WebInterface(lambda: json.dumps(recent_blocks), 'application/json'))
732 web_root.putChild('chain_img', WebInterface(lambda: draw.get(tracker, current_work.value['best_share_hash']), 'image/png'))
734 grapher = graphs.Grapher(os.path.join(datadir_path, 'rrd'))
735 web_root.putChild('graphs', grapher.get_resource())
737 if tracker.get_height(current_work.value['best_share_hash']) < 720:
739 nonstalerate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
740 poolrate = nonstalerate / (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720))
741 grapher.add_poolrate_point(poolrate, poolrate - nonstalerate)
742 task.LoopingCall(add_point).start(100)
744 def attempt_listen():
746 reactor.listenTCP(args.worker_port, server.Site(web_root))
747 except error.CannotListenError, e:
748 print >>sys.stderr, 'Error binding to worker port: %s. Retrying in 1 second.' % (e.socketError,)
749 reactor.callLater(1, attempt_listen)
751 with open(os.path.join(os.path.join(datadir_path, 'ready_flag')), 'wb') as f:
759 @defer.inlineCallbacks
762 flag = factory.new_block.get_deferred()
764 yield set_real_work1()
767 yield defer.DeferredList([flag, deferral.sleep(15)], fireOnOneCallback=True)
772 print 'Started successfully!'
776 if hasattr(signal, 'SIGALRM'):
777 signal.signal(signal.SIGALRM, lambda signum, frame: reactor.callFromThread(
778 sys.stderr.write, 'Watchdog timer went off at:\n' + ''.join(traceback.format_stack())
780 signal.siginterrupt(signal.SIGALRM, False)
781 task.LoopingCall(signal.alarm, 30).start(1)
783 if args.irc_announce:
784 from twisted.words.protocols import irc
785 class IRCClient(irc.IRCClient):
787 def lineReceived(self, line):
789 irc.IRCClient.lineReceived(self, line)
791 irc.IRCClient.signedOn(self)
792 self.factory.resetDelay()
794 self.watch_id = tracker.verified.added.watch(self._new_share)
795 self.announced_hashes = set()
796 def _new_share(self, share):
797 if share.pow_hash <= share.header['bits'].target and share.header_hash not in self.announced_hashes:
798 self.announced_hashes.add(share.header_hash)
799 self.say('#p2pool', '\x02BLOCK FOUND by %s! http://blockexplorer.com/block/%064x' % (bitcoin_data.script2_to_address(share.new_script, net.PARENT), share.header_hash))
800 def connectionLost(self, reason):
801 tracker.verified.added.unwatch(self.watch_id)
802 class IRCClientFactory(protocol.ReconnectingClientFactory):
804 reactor.connectTCP("irc.freenode.net", 6667, IRCClientFactory())
806 @defer.inlineCallbacks
811 yield deferral.sleep(3)
813 if time.time() > current_work2.value['last_update'] + 60:
814 print >>sys.stderr, '''---> LOST CONTACT WITH BITCOIND for 60 seconds, check that it isn't frozen or dead <---'''
815 if current_work.value['best_share_hash'] is not None:
816 height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
818 att_s = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], min(height - 1, 720))
819 weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
820 (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts()
821 stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], min(720, height))
822 real_att_s = att_s / (1 - stale_prop)
823 my_att_s = real_att_s*weights.get(my_script, 0)/total_weight
824 this_str = 'Pool: %sH/s in %i shares (%i/%i verified) Recent: %.02f%% >%sH/s Shares: %i (%i orphan, %i dead) Peers: %i (%i incoming)' % (
825 math.format(int(real_att_s)),
827 len(tracker.verified.shares),
829 weights.get(my_script, 0)/total_weight*100,
830 math.format(int(my_att_s)),
835 sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming),
836 ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
837 this_str += '\nAverage time between blocks: %.2f days' % (
838 2**256 / current_work.value['bits'].target / real_att_s / (60 * 60 * 24),
840 this_str += '\nPool stales: %i%% Own: %s Own efficiency: %s' % (
841 int(100*stale_prop+.5),
842 math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95),
843 math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x)/(1 - stale_prop)),
845 if this_str != last_str or time.time() > last_time + 15:
848 last_time = time.time()
853 log.err(None, 'Fatal error:')
857 class FixedArgumentParser(argparse.ArgumentParser):
858 def _read_args_from_files(self, arg_strings):
859 # expand arguments referencing files
861 for arg_string in arg_strings:
863 # for regular arguments, just add them back into the list
864 if not arg_string or arg_string[0] not in self.fromfile_prefix_chars:
865 new_arg_strings.append(arg_string)
867 # replace arguments referencing files with the file content
870 args_file = open(arg_string[1:])
873 for arg_line in args_file.read().splitlines():
874 for arg in self.convert_arg_line_to_args(arg_line):
875 arg_strings.append(arg)
876 arg_strings = self._read_args_from_files(arg_strings)
877 new_arg_strings.extend(arg_strings)
881 err = sys.exc_info()[1]
884 # return the modified argument list
885 return new_arg_strings
887 def convert_arg_line_to_args(self, arg_line):
888 return [arg for arg in arg_line.split() if arg.strip()]
890 parser = FixedArgumentParser(description='p2pool (version %s)' % (p2pool.__version__,), fromfile_prefix_chars='@')
891 parser.add_argument('--version', action='version', version=p2pool.__version__)
892 parser.add_argument('--net',
893 help='use specified network (default: bitcoin)',
894 action='store', choices=sorted(networks.realnets), default='bitcoin', dest='net_name')
895 parser.add_argument('--testnet',
896 help='''use the network's testnet''',
897 action='store_const', const=True, default=False, dest='testnet')
898 parser.add_argument('--debug',
899 help='enable debugging mode',
900 action='store_const', const=True, default=False, dest='debug')
901 parser.add_argument('-a', '--address',
902 help='generate payouts to this address (default: <address requested from bitcoind>)',
903 type=str, action='store', default=None, dest='address')
904 parser.add_argument('--logfile',
905 help='''log to this file (default: data/<NET>/log)''',
906 type=str, action='store', default=None, dest='logfile')
907 parser.add_argument('--merged-url',
908 help='call getauxblock on this url to get work for merged mining (example: http://127.0.0.1:10332/)',
909 type=str, action='store', default=None, dest='merged_url')
910 parser.add_argument('--merged-userpass',
911 help='use this user and password when requesting merged mining work (example: ncuser:ncpass)',
912 type=str, action='store', default=None, dest='merged_userpass')
913 parser.add_argument('--give-author', metavar='DONATION_PERCENTAGE',
914 help='donate this percentage of work to author of p2pool (default: 0.5)',
915 type=float, action='store', default=0.5, dest='donation_percentage')
916 parser.add_argument('--irc-announce',
917 help='announce any blocks found on irc://irc.freenode.net/#p2pool',
918 action='store_true', default=False, dest='irc_announce')
920 p2pool_group = parser.add_argument_group('p2pool interface')
921 p2pool_group.add_argument('--p2pool-port', metavar='PORT',
922 help='use port PORT to listen for connections (forward this port from your router!) (default: %s)' % ', '.join('%s:%i' % (n.NAME, n.P2P_PORT) for _, n in sorted(networks.realnets.items())),
923 type=int, action='store', default=None, dest='p2pool_port')
924 p2pool_group.add_argument('-n', '--p2pool-node', metavar='ADDR[:PORT]',
925 help='connect to existing p2pool node at ADDR listening on port PORT (defaults to default p2pool P2P port) in addition to builtin addresses',
926 type=str, action='append', default=[], dest='p2pool_nodes')
927 parser.add_argument('--disable-upnp',
928 help='''don't attempt to use UPnP to forward p2pool's P2P port from the Internet to this computer''',
929 action='store_false', default=True, dest='upnp')
931 worker_group = parser.add_argument_group('worker interface')
932 worker_group.add_argument('-w', '--worker-port', metavar='PORT',
933 help='listen on PORT for RPC connections from miners (default: %s)' % ', '.join('%s:%i' % (n.NAME, n.WORKER_PORT) for _, n in sorted(networks.realnets.items())),
934 type=int, action='store', default=None, dest='worker_port')
935 worker_group.add_argument('-f', '--fee', metavar='FEE_PERCENTAGE',
936 help='''charge workers mining to their own bitcoin address (by setting their miner's username to a bitcoin address) this percentage fee to mine on your p2pool instance. Amount displayed at http://127.0.0.1:WORKER_PORT/fee (default: 0)''',
937 type=float, action='store', default=0, dest='worker_fee')
939 bitcoind_group = parser.add_argument_group('bitcoind interface')
940 bitcoind_group.add_argument('--bitcoind-address', metavar='BITCOIND_ADDRESS',
941 help='connect to this address (default: 127.0.0.1)',
942 type=str, action='store', default='127.0.0.1', dest='bitcoind_address')
943 bitcoind_group.add_argument('--bitcoind-rpc-port', metavar='BITCOIND_RPC_PORT',
944 help='''connect to JSON-RPC interface at this port (default: %s <read from bitcoin.conf if password not provided>)''' % ', '.join('%s:%i' % (n.NAME, n.PARENT.RPC_PORT) for _, n in sorted(networks.realnets.items())),
945 type=int, action='store', default=None, dest='bitcoind_rpc_port')
946 bitcoind_group.add_argument('--bitcoind-p2p-port', metavar='BITCOIND_P2P_PORT',
947 help='''connect to P2P interface at this port (default: %s <read from bitcoin.conf if password not provided>)''' % ', '.join('%s:%i' % (n.NAME, n.PARENT.P2P_PORT) for _, n in sorted(networks.realnets.items())),
948 type=int, action='store', default=None, dest='bitcoind_p2p_port')
950 bitcoind_group.add_argument(metavar='BITCOIND_RPCUSERPASS',
951 help='bitcoind RPC interface username, then password, space-separated (only one being provided will cause the username to default to being empty, and none will cause P2Pool to read them from bitcoin.conf)',
952 type=str, action='store', default=[], nargs='*', dest='bitcoind_rpc_userpass')
954 args = parser.parse_args()
959 net = networks.nets[args.net_name + ('_testnet' if args.testnet else '')]
961 datadir_path = os.path.join(os.path.dirname(sys.argv[0]), 'data', net.NAME)
962 if not os.path.exists(datadir_path):
963 os.makedirs(datadir_path)
965 if len(args.bitcoind_rpc_userpass) > 2:
966 parser.error('a maximum of two arguments are allowed')
967 args.bitcoind_rpc_username, args.bitcoind_rpc_password = ([None, None] + args.bitcoind_rpc_userpass)[-2:]
969 if args.bitcoind_rpc_password is None:
970 if not hasattr(net, 'CONF_FILE_FUNC'):
971 parser.error('This network has no configuration file function. Manually enter your RPC password.')
972 conf_path = net.CONF_FILE_FUNC()
973 if not os.path.exists(conf_path):
974 parser.error('''Bitcoin configuration file not found. Manually enter your RPC password.\r\n'''
975 '''If you actually haven't created a configuration file, you should create one at %s with the text:\r\n'''
978 '''rpcpassword=%x''' % (conf_path, random.randrange(2**128)))
979 with open(conf_path, 'rb') as f:
980 cp = ConfigParser.RawConfigParser()
981 cp.readfp(StringIO.StringIO('[x]\r\n' + f.read()))
982 for conf_name, var_name, var_type in [
983 ('rpcuser', 'bitcoind_rpc_username', str),
984 ('rpcpassword', 'bitcoind_rpc_password', str),
985 ('rpcport', 'bitcoind_rpc_port', int),
986 ('port', 'bitcoind_p2p_port', int),
988 if getattr(args, var_name) is None and cp.has_option('x', conf_name):
989 setattr(args, var_name, var_type(cp.get('x', conf_name)))
991 if args.bitcoind_rpc_username is None:
992 args.bitcoind_rpc_username = ''
994 if args.bitcoind_rpc_port is None:
995 args.bitcoind_rpc_port = net.PARENT.RPC_PORT
997 if args.bitcoind_p2p_port is None:
998 args.bitcoind_p2p_port = net.PARENT.P2P_PORT
1000 if args.p2pool_port is None:
1001 args.p2pool_port = net.P2P_PORT
1003 if args.worker_port is None:
1004 args.worker_port = net.WORKER_PORT
1006 if args.address is not None:
1008 args.pubkey_hash = bitcoin_data.address_to_pubkey_hash(args.address, net.PARENT)
1009 except Exception, e:
1010 parser.error('error parsing address: ' + repr(e))
1012 args.pubkey_hash = None
1014 if (args.merged_url is None) ^ (args.merged_userpass is None):
1015 parser.error('must specify --merged-url and --merged-userpass')
1018 if args.logfile is None:
1019 args.logfile = os.path.join(datadir_path, 'log')
1021 logfile = logging.LogFile(args.logfile)
1022 pipe = logging.TimestampingPipe(logging.TeePipe([logging.EncodeReplacerPipe(sys.stderr), logfile]))
1023 sys.stdout = logging.AbortPipe(pipe)
1024 sys.stderr = log.DefaultObserver.stderr = logging.AbortPipe(logging.PrefixPipe(pipe, '> '))
1025 if hasattr(signal, "SIGUSR1"):
1026 def sigusr1(signum, frame):
1027 print 'Caught SIGUSR1, closing %r...' % (args.logfile,)
1029 print '...and reopened %r after catching SIGUSR1.' % (args.logfile,)
1030 signal.signal(signal.SIGUSR1, sigusr1)
1031 task.LoopingCall(logfile.reopen).start(5)
1033 reactor.callWhenRunning(main, args, net, datadir_path)