p2pool/main.py

   1 #!/usr/bin/python
   2
   3 from __future__ import division
   4
   5 import argparse
   6 import datetime
   7 import itertools
   8 import os
   9 import random
  10 import sqlite3
  11 import struct
  12 import sys
  13 import time
  14 import json
  15 import signal
  16 import traceback
  17
  18 from twisted.internet import defer, reactor, task
  19 from twisted.web import server, resource
  20 from twisted.python import log
  21 from nattraverso import portmapper, ipdiscover
  22
  23 import bitcoin.p2p, bitcoin.getwork, bitcoin.data
  24 from util import db, expiring_dict, jsonrpc, variable, deferral, math
  25 from . import p2p, worker_interface, skiplists
  26 import p2pool.data as p2pool
  27 import p2pool as p2pool_init
  28
  29 @deferral.retry('Error getting work from bitcoind:', 3)
  30 @defer.inlineCallbacks
  31 def getwork(bitcoind, ht, net):
  32     try:
  33         work = yield bitcoind.rpc_getmemorypool()
  34         defer.returnValue(dict(
  35             version=work['version'],
  36             previous_block_hash=int(work['previousblockhash'], 16),
  37             transactions=[bitcoin.data.tx_type.unpack(x.decode('hex')) for x in work['transactions']],
  38             subsidy=work['coinbasevalue'],
  39             time=work['time'],
  40             target=bitcoin.data.FloatingIntegerType().unpack(work['bits'].decode('hex')[::-1]) if isinstance(work['bits'], (str, unicode)) else bitcoin.data.FloatingInteger(work['bits']),
  41         ))
  42     except jsonrpc.Error, e:
  43         if e.code != -32601:
  44             raise
  45
  46         print "---> Update your bitcoind to support the 'getmemorypool' RPC call. Not including transactions in generated blocks! <---"
  47         work = bitcoin.getwork.BlockAttempt.from_getwork((yield bitcoind.rpc_getwork()))
  48         try:
  49             subsidy = net.BITCOIN_SUBSIDY_FUNC(ht.getHeight(work.previous_block))
  50         except ValueError:
  51             subsidy = net.BITCOIN_SUBSIDY_FUNC(1000)
  52
  53         defer.returnValue(dict(
  54             version=work.version,
  55             previous_block_hash=work.previous_block,
  56             transactions=[],
  57             subsidy=subsidy,
  58             time=work.timestamp,
  59             target=work.block_target,
  60         ))
  61
  62 @deferral.retry('Error getting payout script from bitcoind:', 1)
  63 @defer.inlineCallbacks
  64 def get_payout_script(factory):
  65     res = yield (yield factory.getProtocol()).check_order(order=bitcoin.p2p.Protocol.null_order)
  66     if res['reply'] == 'success':
  67         defer.returnValue(res['script'])
  68     elif res['reply'] == 'denied':
  69         defer.returnValue(None)
  70     else:
  71         raise ValueError('Unexpected reply: %r' % (res,))
  72
  73 @deferral.retry('Error creating payout script:', 10)
  74 @defer.inlineCallbacks
  75 def get_payout_script2(bitcoind, net):
  76     defer.returnValue(bitcoin.data.pubkey_hash_to_script2(bitcoin.data.address_to_pubkey_hash((yield bitcoind.rpc_getaccountaddress('p2pool')), net)))
  77
  78 @defer.inlineCallbacks
  79 def main(args):
  80     try:
  81         print 'p2pool (version %s)' % (p2pool_init.__version__,)
  82         print
  83         try:
  84             from . import draw
  85         except ImportError:
  86             draw = None
  87             print "Install Pygame and PIL to enable visualizations! Visualizations disabled."
  88             print
  89
  90         # connect to bitcoind over JSON-RPC and do initial getwork
  91         url = 'http://%s:%i/' % (args.bitcoind_address, args.bitcoind_rpc_port)
  92         print '''Testing bitcoind RPC connection to '%s' with username '%s'...''' % (url, args.bitcoind_rpc_username)
  93         bitcoind = jsonrpc.Proxy(url, (args.bitcoind_rpc_username, args.bitcoind_rpc_password))
  94         good = yield deferral.retry('Error while checking bitcoind identity:', 1)(args.net.BITCOIN_RPC_CHECK)(bitcoind)
  95         if not good:
  96             print "    Check failed! Make sure that you're connected to the right bitcoind with --bitcoind-rpc-port!"
  97             return
  98         temp_work = yield deferral.retry('Error while testing getwork:', 1)(defer.inlineCallbacks(lambda: defer.returnValue(bitcoin.getwork.BlockAttempt.from_getwork((yield bitcoind.rpc_getwork())))))()
  99         print '    ...success!'
 100         print '    Current block hash: %x' % (temp_work.previous_block,)
 101         print
 102
 103         # connect to bitcoind over bitcoin-p2p and do checkorder to get pubkey to send payouts to
 104         print '''Testing bitcoind P2P connection to '%s:%s'...''' % (args.bitcoind_address, args.bitcoind_p2p_port)
 105         factory = bitcoin.p2p.ClientFactory(args.net)
 106         reactor.connectTCP(args.bitcoind_address, args.bitcoind_p2p_port, factory)
 107         my_script = yield get_payout_script(factory)
 108         if args.pubkey_hash is None:
 109             if my_script is None:
 110                 print '    IP transaction denied ... falling back to sending to address.'
 111                 my_script = yield get_payout_script2(bitcoind, args.net)
 112         else:
 113             my_script = bitcoin.data.pubkey_hash_to_script2(args.pubkey_hash)
 114         print '    ...success!'
 115         print '    Payout script:', bitcoin.data.script2_to_human(my_script, args.net)
 116         print
 117
 118         print 'Loading cached block headers...'
 119         ht = bitcoin.p2p.HeightTracker(factory, args.net.NAME + '_headers.dat')
 120         print '   ...done loading %i cached block headers.' % (len(ht.tracker.shares),)
 121         print
 122
 123         tracker = p2pool.OkayTracker(args.net)
 124         ss = p2pool.ShareStore(os.path.join(os.path.dirname(sys.argv[0]), args.net.NAME + '_shares.'), args.net)
 125         known_verified = set()
 126         print "Loading shares..."
 127         for i, (mode, contents) in enumerate(ss.get_shares()):
 128             if mode == 'share':
 129                 if contents.hash in tracker.shares:
 130                     continue
 131                 contents.shared = True
 132                 contents.stored = True
 133                 contents.time_seen = 0
 134                 tracker.add(contents)
 135                 if len(tracker.shares) % 1000 == 0 and tracker.shares:
 136                     print "    %i" % (len(tracker.shares),)
 137             elif mode == 'verified_hash':
 138                 known_verified.add(contents)
 139             else:
 140                 raise AssertionError()
 141         print "    ...inserting %i verified shares..." % (len(known_verified),)
 142         for h in known_verified:
 143             if h not in tracker.shares:
 144                 ss.forget_verified_share(h)
 145                 continue
 146             tracker.verified.add(tracker.shares[h])
 147         print "    ...done loading %i shares!" % (len(tracker.shares),)
 148         print
 149         tracker.added.watch(lambda share: ss.add_share(share))
 150         tracker.verified.added.watch(lambda share: ss.add_verified_hash(share.hash))
 151         tracker.removed.watch(lambda share: ss.forget_share(share.hash))
 152         tracker.verified.removed.watch(lambda share: ss.forget_verified_share(share.hash))
 153
 154         peer_heads = expiring_dict.ExpiringDict(300) # hash -> peers that know of it
 155
 156         # information affecting work that should trigger a long-polling update
 157         current_work = variable.Variable(None)
 158         # information affecting work that should not trigger a long-polling update
 159         current_work2 = variable.Variable(None)
 160
 161         work_updated = variable.Event()
 162
 163         requested = expiring_dict.ExpiringDict(300)
 164
 165         @defer.inlineCallbacks
 166         def set_real_work1():
 167             work = yield getwork(bitcoind, ht, args.net)
 168             changed = work['previous_block_hash'] != current_work.value['previous_block'] if current_work.value is not None else True
 169             current_work.set(dict(
 170                 version=work['version'],
 171                 previous_block=work['previous_block_hash'],
 172                 target=work['target'],
 173                 best_share_hash=current_work.value['best_share_hash'] if current_work.value is not None else None,
 174                 aux_work=current_work.value['aux_work'] if current_work.value is not None else None,
 175             ))
 176             current_work2.set(dict(
 177                 transactions=work['transactions'],
 178                 subsidy=work['subsidy'],
 179                 clock_offset=time.time() - work['time'],
 180                 last_update=time.time(),
 181             ))
 182             if changed:
 183                 set_real_work2()
 184
 185         def set_real_work2():
 186             best, desired = tracker.think(ht, current_work.value['previous_block'], time.time() - current_work2.value['clock_offset'])
 187
 188             t = dict(current_work.value)
 189             t['best_share_hash'] = best
 190             current_work.set(t)
 191
 192             t = time.time()
 193             for peer2, share_hash in desired:
 194                 if share_hash not in tracker.tails: # was received in the time tracker.think was running
 195                     continue
 196                 last_request_time, count = requested.get(share_hash, (None, 0))
 197                 if last_request_time is not None and last_request_time - 5 < t < last_request_time + 10 * 1.5**count:
 198                     continue
 199                 potential_peers = set()
 200                 for head in tracker.tails[share_hash]:
 201                     potential_peers.update(peer_heads.get(head, set()))
 202                 potential_peers = [peer for peer in potential_peers if peer.connected2]
 203                 if count == 0 and peer2 is not None and peer2.connected2:
 204                     peer = peer2
 205                 else:
 206                     peer = random.choice(potential_peers) if potential_peers and random.random() > .2 else peer2
 207                     if peer is None:
 208                         continue
 209
 210                 print 'Requesting parent share %s from %s' % (p2pool.format_hash(share_hash), '%s:%i' % peer.addr)
 211                 peer.send_getshares(
 212                     hashes=[share_hash],
 213                     parents=2000,
 214                     stops=list(set(tracker.heads) | set(
 215                         tracker.get_nth_parent_hash(head, min(max(0, tracker.get_height_and_last(head)[0] - 1), 10)) for head in tracker.heads
 216                     ))[:100],
 217                 )
 218                 requested[share_hash] = t, count + 1
 219
 220         print 'Initializing work...'
 221         yield set_real_work1()
 222         set_real_work2()
 223         print '    ...success!'
 224         print
 225
 226         @defer.inlineCallbacks
 227         def set_merged_work():
 228             if not args.merged_url:
 229                 return
 230             while True:
 231                 merged = jsonrpc.Proxy(args.merged_url, (args.merged_userpass,))
 232                 auxblock = yield deferral.retry('Error while calling merged getauxblock:', 1)(merged.rpc_getauxblock)()
 233                 x = dict(current_work.value)
 234                 x['aux_work'] = dict(
 235                     hash=int(auxblock['hash'], 16),
 236                     target=bitcoin.data.HashType().unpack(auxblock['target'].decode('hex')),
 237                     chain_id=auxblock['chainid'],
 238                 )
 239                 #print x['aux_work']
 240                 current_work.set(x)
 241                 yield deferral.sleep(1)
 242         set_merged_work()
 243
 244         start_time = time.time() - current_work2.value['clock_offset']
 245
 246         # setup p2p logic and join p2pool network
 247
 248         def share_share(share, ignore_peer=None):
 249             for peer in p2p_node.peers.itervalues():
 250                 if peer is ignore_peer:
 251                     continue
 252                 #if p2pool_init.DEBUG:
 253                 #    print "Sending share %s to %r" % (p2pool.format_hash(share.hash), peer.addr)
 254                 peer.send_shares([share])
 255             share.flag_shared()
 256
 257         def p2p_shares(shares, peer=None):
 258             if len(shares) > 5:
 259                 print 'Processing %i shares...' % (len(shares),)
 260
 261             new_count = 0
 262             for share in shares:
 263                 if share.hash in tracker.shares:
 264                     #print 'Got duplicate share, ignoring. Hash: %s' % (p2pool.format_hash(share.hash),)
 265                     continue
 266
 267                 new_count += 1
 268
 269                 #print 'Received share %s from %r' % (p2pool.format_hash(share.hash), share.peer.addr if share.peer is not None else None)
 270
 271                 tracker.add(share)
 272
 273             if shares and peer is not None:
 274                 peer_heads.setdefault(shares[0].hash, set()).add(peer)
 275
 276             if new_count:
 277                 set_real_work2()
 278
 279             if len(shares) > 5:
 280                 print '... done processing %i shares. New: %i Have: %i/~%i' % (len(shares), new_count, len(tracker.shares), 2*args.net.CHAIN_LENGTH)
 281
 282         @tracker.verified.added.watch
 283         def _(share):
 284             if share.bitcoin_hash <= share.header['target']:
 285                 print
 286                 print 'GOT BLOCK! Passing to bitcoind! %s bitcoin: %x' % (p2pool.format_hash(share.hash), share.bitcoin_hash,)
 287                 print
 288                 if factory.conn.value is not None:
 289                     factory.conn.value.send_block(block=share.as_block(tracker, args.net))
 290                 else:
 291                     print 'No bitcoind connection! Erp!'
 292
 293         def p2p_share_hashes(share_hashes, peer):
 294             t = time.time()
 295             get_hashes = []
 296             for share_hash in share_hashes:
 297                 if share_hash in tracker.shares:
 298                     continue
 299                 last_request_time, count = requested.get(share_hash, (None, 0))
 300                 if last_request_time is not None and last_request_time - 5 < t < last_request_time + 10 * 1.5**count:
 301                     continue
 302                 print 'Got share hash, requesting! Hash: %s' % (p2pool.format_hash(share_hash),)
 303                 get_hashes.append(share_hash)
 304                 requested[share_hash] = t, count + 1
 305
 306             if share_hashes and peer is not None:
 307                 peer_heads.setdefault(share_hashes[0], set()).add(peer)
 308             if get_hashes:
 309                 peer.send_getshares(hashes=get_hashes, parents=0, stops=[])
 310
 311         def p2p_get_shares(share_hashes, parents, stops, peer):
 312             parents = min(parents, 1000//len(share_hashes))
 313             stops = set(stops)
 314             shares = []
 315             for share_hash in share_hashes:
 316                 for share in itertools.islice(tracker.get_chain_known(share_hash), parents + 1):
 317                     if share.hash in stops:
 318                         break
 319                     shares.append(share)
 320             print 'Sending %i shares to %s:%i' % (len(shares), peer.addr[0], peer.addr[1])
 321             peer.send_shares(shares, full=True)
 322
 323         print 'Joining p2pool network using TCP port %i...' % (args.p2pool_port,)
 324
 325         def parse(x):
 326             if ':' in x:
 327                 ip, port = x.split(':')
 328                 return ip, int(port)
 329             else:
 330                 return x, args.net.P2P_PORT
 331
 332         nodes = set([
 333             ('72.14.191.28', args.net.P2P_PORT),
 334             ('62.204.197.159', args.net.P2P_PORT),
 335             ('142.58.248.28', args.net.P2P_PORT),
 336             ('94.23.34.145', args.net.P2P_PORT),
 337         ])
 338         for host in [
 339             'p2pool.forre.st',
 340             'dabuttonfactory.com',
 341         ]:
 342             try:
 343                 nodes.add(((yield reactor.resolve(host)), args.net.P2P_PORT))
 344             except:
 345                 log.err(None, 'Error resolving bootstrap node IP:')
 346
 347         if args.net_name == 'litecoin':
 348             nodes.add(((yield reactor.resolve('liteco.in')), args.net.P2P_PORT))
 349
 350         p2p_node = p2p.Node(
 351             current_work=current_work,
 352             port=args.p2pool_port,
 353             net=args.net,
 354             addr_store=db.SQLiteDict(sqlite3.connect(os.path.join(os.path.dirname(sys.argv[0]), 'addrs.dat'), isolation_level=None), args.net.NAME),
 355             mode=0 if args.low_bandwidth else 1,
 356             preferred_addrs=set(map(parse, args.p2pool_nodes)) | nodes,
 357         )
 358         p2p_node.handle_shares = p2p_shares
 359         p2p_node.handle_share_hashes = p2p_share_hashes
 360         p2p_node.handle_get_shares = p2p_get_shares
 361
 362         p2p_node.start()
 363
 364         # send share when the chain changes to their chain
 365         def work_changed(new_work):
 366             #print 'Work changed:', new_work
 367             for share in tracker.get_chain_known(new_work['best_share_hash']):
 368                 if share.shared:
 369                     break
 370                 share_share(share, share.peer)
 371         current_work.changed.watch(work_changed)
 372
 373         print '    ...success!'
 374         print
 375
 376         @defer.inlineCallbacks
 377         def upnp_thread():
 378             while True:
 379                 try:
 380                     is_lan, lan_ip = yield ipdiscover.get_local_ip()
 381                     if is_lan:
 382                         pm = yield portmapper.get_port_mapper()
 383                         yield pm._upnp.add_port_mapping(lan_ip, args.p2pool_port, args.p2pool_port, 'p2pool', 'TCP') # XXX try to forward external correct port?
 384                 except defer.TimeoutError:
 385                     pass
 386                 except:
 387                     if p2pool_init.DEBUG:
 388                         log.err(None, "UPnP error:")
 389                 yield deferral.sleep(random.expovariate(1/120))
 390
 391         if args.upnp:
 392             upnp_thread()
 393
 394         # start listening for workers with a JSON-RPC server
 395
 396         print 'Listening for workers on port %i...' % (args.worker_port,)
 397
 398         # setup worker logic
 399
 400         merkle_root_to_transactions = expiring_dict.ExpiringDict(300)
 401         run_identifier = struct.pack('<I', random.randrange(2**32))
 402
 403         share_counter = skiplists.CountsSkipList(tracker, run_identifier)
 404         removed_unstales = set()
 405         def get_share_counts(doa=False):
 406             height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
 407             matching_in_chain = share_counter(current_work.value['best_share_hash'], max(0, height - 1)) | removed_unstales
 408             shares_in_chain = my_shares & matching_in_chain
 409             stale_shares = my_shares - matching_in_chain
 410             if doa:
 411                 stale_doa_shares = stale_shares & doa_shares
 412                 stale_not_doa_shares = stale_shares - stale_doa_shares
 413                 return len(shares_in_chain) + len(stale_shares), len(stale_doa_shares), len(stale_not_doa_shares)
 414             return len(shares_in_chain) + len(stale_shares), len(stale_shares)
 415         @tracker.verified.removed.watch
 416         def _(share):
 417             if share.hash in my_shares and tracker.is_child_of(share.hash, current_work.value['best_share_hash']):
 418                 removed_unstales.add(share.hash)
 419
 420         def compute(state, payout_script):
 421             if payout_script is None or random.uniform(0, 100) < args.worker_fee:
 422                 payout_script = my_script
 423             if state['best_share_hash'] is None and args.net.PERSIST:
 424                 raise jsonrpc.Error(-12345, u'p2pool is downloading shares')
 425             if len(p2p_node.peers) == 0 and args.net.PERSIST:
 426                 raise jsonrpc.Error(-12345, u'p2pool is not connected to any peers')
 427             if time.time() > current_work2.value['last_update'] + 60:
 428                 raise jsonrpc.Error(-12345, u'lost contact with bitcoind')
 429
 430             if state['aux_work'] is not None:
 431                 aux_str = '\xfa\xbemm' + bitcoin.data.HashType().pack(state['aux_work']['hash'])[::-1] + struct.pack('<ii', 1, 0)
 432             else:
 433                 aux_str = ''
 434
 435             # XXX assuming generate_tx is smallish here..
 436             def get_stale_frac():
 437                 shares, stale_shares = get_share_counts()
 438                 if shares == 0:
 439                     return ""
 440                 frac = stale_shares/shares
 441                 return 2*struct.pack('<H', int(65535*frac + .5))
 442             subsidy = current_work2.value['subsidy']
 443             generate_tx = p2pool.generate_transaction(
 444                 tracker=tracker,
 445                 previous_share_hash=state['best_share_hash'],
 446                 new_script=payout_script,
 447                 subsidy=subsidy,
 448                 nonce=run_identifier + struct.pack('<H', random.randrange(2**16)) + get_stale_frac() + aux_str,
 449                 block_target=state['target'],
 450                 net=args.net,
 451             )
 452             print 'New work for worker! Difficulty: %.06f Payout if block: %.6f %s Total block value: %.6f %s including %i transactions' % (0xffff*2**208/p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target'], (generate_tx['tx_outs'][-1]['value']-subsidy//200)*1e-8, args.net.BITCOIN_SYMBOL, subsidy*1e-8, args.net.BITCOIN_SYMBOL, len(current_work2.value['transactions']))
 453             #print 'Target: %x' % (p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target'],)
 454             #, have', shares.count(my_script) - 2, 'share(s) in the current chain. Fee:', sum(tx.value_in - tx.value_out for tx in extra_txs)/100000000
 455             transactions = [generate_tx] + list(current_work2.value['transactions'])
 456             merkle_root = bitcoin.data.merkle_hash(transactions)
 457             merkle_root_to_transactions[merkle_root] = transactions # will stay for 1000 seconds
 458
 459             timestamp = int(time.time() - current_work2.value['clock_offset'])
 460             if state['best_share_hash'] is not None:
 461                 timestamp2 = math.median((s.timestamp for s in itertools.islice(tracker.get_chain_to_root(state['best_share_hash']), 11)), use_float=False) + 1
 462                 if timestamp2 > timestamp:
 463                     print 'Toff', timestamp2 - timestamp
 464                     timestamp = timestamp2
 465             target2 = p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target']
 466             times[p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['nonce']] = time.time()
 467             #print 'SENT', 2**256//p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target']
 468             return bitcoin.getwork.BlockAttempt(state['version'], state['previous_block'], merkle_root, timestamp, state['target'], target2)
 469
 470         my_shares = set()
 471         doa_shares = set()
 472         times = {}
 473
 474         def got_response(data, user, net):
 475             try:
 476                 # match up with transactions
 477                 header = bitcoin.getwork.decode_data(data)
 478                 transactions = merkle_root_to_transactions.get(header['merkle_root'], None)
 479                 if transactions is None:
 480                     print '''Couldn't link returned work's merkle root with its transactions - should only happen if you recently restarted p2pool'''
 481                     return False
 482                 block = dict(header=header, txs=transactions)
 483                 hash_ = bitcoin.data.block_header_type.hash256(block['header'])
 484                 pow = hash_;
 485
 486                 # use scrypt for Litecoin
 487                 if (getattr(net, 'BITCOIN_POW_SCRYPT', False)):
 488                     pow = bitcoin.data.block_header_type.scrypt(block['header']);
 489 #                    print 'LTC: hash256 %x' % hash_
 490 #                    print 'LTC: scrypt  %x' % pow
 491 #                    print 'LTC: target  %x' % block['header']['target']
 492 #                    print 'LTC: starget %x' % p2pool.coinbase_type.unpack(transactions[0]['tx_ins'][0]['script'])['share_data']['target']
 493
 494                 if pow <= block['header']['target'] or p2pool_init.DEBUG:
 495                     if factory.conn.value is not None:
 496                         factory.conn.value.send_block(block=block)
 497                     else:
 498                         print 'No bitcoind connection! Erp!'
 499                     if pow <= block['header']['target']:
 500                         print
 501                         print 'GOT BLOCK! Passing to bitcoind! bitcoin: %x' % (hash_,)
 502                         print
 503
 504                 if args.merged_url is not None:
 505                     try:
 506                         aux_pow = dict(
 507                             merkle_tx=dict(
 508                                 tx=transactions[0],
 509                                 block_hash=hash_,
 510                                 merkle_branch=[x['hash'] for x in p2pool.calculate_merkle_branch(transactions, 0)],
 511                                 index=0,
 512                             ),
 513                             merkle_branch=[],
 514                             index=0,
 515                             parent_block_header=header,
 516                         )
 517
 518                         a, b = transactions[0]['tx_ins'][0]['script'][-32-8:-8].encode('hex'), bitcoin.data.aux_pow_type.pack(aux_pow).encode('hex')
 519                         #print a, b
 520                         merged = jsonrpc.Proxy(args.merged_url, (args.merged_userpass,))
 521                         def _(res):
 522                             print "MERGED RESULT:", res
 523                         merged.rpc_getauxblock(a, b).addBoth(_)
 524                     except:
 525                         log.err(None, 'Error while processing merged mining POW:')
 526
 527                 target = p2pool.coinbase_type.unpack(transactions[0]['tx_ins'][0]['script'])['share_data']['target']
 528                 if pow > target:
 529                     print 'Worker submitted share with hash > target:\nhash  : %x\ntarget: %x' % (pow, target)
 530                     return False
 531                 share = p2pool.Share.from_block(block, net)
 532                 my_shares.add(share.hash)
 533                 if share.previous_hash != current_work.value['best_share_hash']:
 534                     doa_shares.add(share.hash)
 535                 print 'GOT SHARE! %s %s prev %s age %.2fs' % (user, p2pool.format_hash(share.hash), p2pool.format_hash(share.previous_hash), time.time() - times[share.nonce]) + (' DEAD ON ARRIVAL' if share.previous_hash != current_work.value['best_share_hash'] else '')
 536                 good = share.previous_hash == current_work.value['best_share_hash']
 537                 # maybe revert back to tracker being non-blocking so 'good' can be more accurate?
 538                 p2p_shares([share])
 539                 # eg. good = share.hash == current_work.value['best_share_hash'] here
 540                 return good
 541             except:
 542                 log.err(None, 'Error processing data received from worker:')
 543                 return False
 544
 545         web_root = worker_interface.WorkerInterface(current_work, compute, got_response, args.net)
 546
 547         def get_rate():
 548             if current_work.value['best_share_hash'] is not None:
 549                 height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
 550                 att_s = p2pool.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], args.net, min(height - 1, 720))
 551                 fracs = [read_stale_frac(share) for share in itertools.islice(tracker.get_chain_known(current_work.value['best_share_hash']), 120) if read_stale_frac(share) is not None]
 552                 return json.dumps(int(att_s / (1. - (math.median(fracs) if fracs else 0))))
 553             return json.dumps(None)
 554
 555         def get_users():
 556             height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
 557             weights, total_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 2**256)
 558             res = {}
 559             for script in sorted(weights, key=lambda s: weights[s]):
 560                 res[bitcoin.data.script2_to_human(script, args.net)] = weights[script]/total_weight
 561             return json.dumps(res)
 562
 563         class WebInterface(resource.Resource):
 564             def __init__(self, func, mime_type):
 565                 self.func, self.mime_type = func, mime_type
 566
 567             def render_GET(self, request):
 568                 request.setHeader('Content-Type', self.mime_type)
 569                 return self.func()
 570
 571         web_root.putChild('rate', WebInterface(get_rate, 'application/json'))
 572         web_root.putChild('users', WebInterface(get_users, 'application/json'))
 573         web_root.putChild('fee', WebInterface(lambda: json.dumps(args.worker_fee), 'application/json'))
 574         if draw is not None:
 575             web_root.putChild('chain_img', WebInterface(lambda: draw.get(tracker, current_work.value['best_share_hash']), 'image/png'))
 576
 577         reactor.listenTCP(args.worker_port, server.Site(web_root))
 578
 579         print '    ...success!'
 580         print
 581
 582         # done!
 583
 584         # do new getwork when a block is heard on the p2p interface
 585
 586         def new_block(block_hash):
 587             work_updated.happened()
 588         factory.new_block.watch(new_block)
 589
 590         print 'Started successfully!'
 591         print
 592
 593         ht.updated.watch(set_real_work2)
 594
 595         @defer.inlineCallbacks
 596         def work1_thread():
 597             while True:
 598                 flag = work_updated.get_deferred()
 599                 try:
 600                     yield set_real_work1()
 601                 except:
 602                     log.err()
 603                 yield defer.DeferredList([flag, deferral.sleep(random.uniform(1, 10))], fireOnOneCallback=True)
 604
 605         @defer.inlineCallbacks
 606         def work2_thread():
 607             while True:
 608                 try:
 609                     set_real_work2()
 610                 except:
 611                     log.err()
 612                 yield deferral.sleep(random.expovariate(1/20))
 613
 614         work1_thread()
 615         work2_thread()
 616
 617
 618         if hasattr(signal, 'SIGALRM'):
 619             def watchdog_handler(signum, frame):
 620                 print 'Watchdog timer went off at:'
 621                 traceback.print_stack()
 622
 623             signal.signal(signal.SIGALRM, watchdog_handler)
 624             task.LoopingCall(signal.alarm, 30).start(1)
 625
 626
 627         def read_stale_frac(share):
 628             if len(share.nonce) != 20:
 629                 return None
 630             a, b = struct.unpack("<HH", share.nonce[-4:])
 631             if a != b:
 632                 return None
 633             return a/65535
 634
 635         pool_str = None;
 636         while True:
 637             yield deferral.sleep(3)
 638             try:
 639                 if time.time() > current_work2.value['last_update'] + 60:
 640                     print '''---> LOST CONTACT WITH BITCOIND for 60 seconds, check that it isn't frozen or dead <---'''
 641                 if current_work.value['best_share_hash'] is not None:
 642                     height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
 643                     if height > 2:
 644                         att_s = p2pool.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], args.net, min(height - 1, 720))
 645                         weights, total_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 2**100)
 646                         shares, stale_doa_shares, stale_not_doa_shares = get_share_counts(True)
 647                         stale_shares = stale_doa_shares + stale_not_doa_shares
 648                         fracs = [read_stale_frac(share) for share in itertools.islice(tracker.get_chain_known(current_work.value['best_share_hash']), 120) if read_stale_frac(share) is not None]
 649                         str = 'Pool: %sH/s in %i shares (%i/%i verified) Recent: %.02f%% >%sH/s Shares: %i (%i orphan, %i dead) Peers: %i' % (
 650                             math.format(int(att_s / (1. - (math.median(fracs) if fracs else 0)))),
 651                             height,
 652                             len(tracker.verified.shares),
 653                             len(tracker.shares),
 654                             weights.get(my_script, 0)/total_weight*100,
 655                             math.format(int(weights.get(my_script, 0)*att_s//total_weight / (1. - (math.median(fracs) if fracs else 0)))),
 656                             shares,
 657                             stale_not_doa_shares,
 658                             stale_doa_shares,
 659                             len(p2p_node.peers),
 660                         ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool_init.DEBUG else '')
 661                         if (str != pool_str):
 662                             print str;
 663                             pool_str = str;
 664                         if fracs:
 665                             med = math.median(fracs)
 666                             print 'Median stale proportion:', med
 667                             if shares:
 668                                 print '    Own:', stale_shares/shares
 669                                 if med < .99:
 670                                     print '    Own efficiency: %.02f%%' % (100*(1 - stale_shares/shares)/(1 - med),)
 671
 672
 673             except:
 674                 log.err()
 675     except:
 676         log.err(None, 'Fatal error:')
 677     finally:
 678         reactor.stop()
 679
 680 def run():
 681     class FixedArgumentParser(argparse.ArgumentParser):
 682         def _read_args_from_files(self, arg_strings):
 683             # expand arguments referencing files
 684             new_arg_strings = []
 685             for arg_string in arg_strings:
 686
 687                 # for regular arguments, just add them back into the list
 688                 if not arg_string or arg_string[0] not in self.fromfile_prefix_chars:
 689                     new_arg_strings.append(arg_string)
 690
 691                 # replace arguments referencing files with the file content
 692                 else:
 693                     try:
 694                         args_file = open(arg_string[1:])
 695                         try:
 696                             arg_strings = []
 697                             for arg_line in args_file.read().splitlines():
 698                                 for arg in self.convert_arg_line_to_args(arg_line):
 699                                     arg_strings.append(arg)
 700                             arg_strings = self._read_args_from_files(arg_strings)
 701                             new_arg_strings.extend(arg_strings)
 702                         finally:
 703                             args_file.close()
 704                     except IOError:
 705                         err = sys.exc_info()[1]
 706                         self.error(str(err))
 707
 708             # return the modified argument list
 709             return new_arg_strings
 710
 711         def convert_arg_line_to_args(self, arg_line):
 712             return [arg for arg in arg_line.split() if arg.strip()]
 713
 714     parser = FixedArgumentParser(description='p2pool (version %s)' % (p2pool_init.__version__,), fromfile_prefix_chars='@')
 715     parser.add_argument('--version', action='version', version=p2pool_init.__version__)
 716     parser.add_argument('--net',
 717         help='use specified network (default: bitcoin)',
 718         action='store', choices=sorted(x for x in p2pool.nets if 'testnet' not in x), default='bitcoin', dest='net_name')
 719     parser.add_argument('--testnet',
 720         help='''use the network's testnet''',
 721         action='store_const', const=True, default=False, dest='testnet')
 722     parser.add_argument('--debug',
 723         help='debugging mode',
 724         action='store_const', const=True, default=False, dest='debug')
 725     parser.add_argument('-a', '--address',
 726         help='generate to this address (defaults to requesting one from bitcoind)',
 727         type=str, action='store', default=None, dest='address')
 728     parser.add_argument('--logfile',
 729         help='''log to specific file (defaults to <network_name>.log in run_p2pool.py's directory)''',
 730         type=str, action='store', default=None, dest='logfile')
 731     parser.add_argument('--merged-url',
 732         help='call getauxblock on this url to get work for merged mining',
 733         type=str, action='store', default=None, dest='merged_url')
 734     parser.add_argument('--merged-userpass',
 735         help='merge daemon user and password, separated by a colon. Example: ncuser:ncpass',
 736         type=str, action='store', default=None, dest='merged_userpass')
 737
 738     p2pool_group = parser.add_argument_group('p2pool interface')
 739     p2pool_group.add_argument('--p2pool-port', metavar='PORT',
 740         help='use TCP port PORT to listen for connections (default: 9333 normally, 19333 for testnet) (forward this port from your router!)',
 741         type=int, action='store', default=None, dest='p2pool_port')
 742     p2pool_group.add_argument('-n', '--p2pool-node', metavar='ADDR[:PORT]',
 743         help='connect to existing p2pool node at ADDR listening on TCP port PORT (defaults to 9333 normally, 19333 for testnet), in addition to builtin addresses',
 744         type=str, action='append', default=[], dest='p2pool_nodes')
 745     parser.add_argument('-l', '--low-bandwidth',
 746         help='trade lower bandwidth usage for higher latency (reduced efficiency)',
 747         action='store_true', default=False, dest='low_bandwidth')
 748     parser.add_argument('--disable-upnp',
 749         help='''don't attempt to forward port 9333 (19333 for testnet) from the WAN to this computer using UPnP''',
 750         action='store_false', default=True, dest='upnp')
 751
 752     worker_group = parser.add_argument_group('worker interface')
 753     worker_group.add_argument('-w', '--worker-port', metavar='PORT',
 754         help='listen on PORT for RPC connections from miners asking for work and providing responses (default: bitcoin: 9332 namecoin: 9331 ixcoin: 9330 i0coin: 9329 solidcoin: 9328 litecoin: 9327, +10000 for testnets)',
 755         type=int, action='store', default=None, dest='worker_port')
 756     worker_group.add_argument('-f', '--fee', metavar='FEE_PERCENTAGE',
 757         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://127.0.0.1:9332/fee . default: 0''',
 758         type=float, action='store', default=0, dest='worker_fee')
 759
 760     bitcoind_group = parser.add_argument_group('bitcoind interface')
 761     bitcoind_group.add_argument('--bitcoind-address', metavar='BITCOIND_ADDRESS',
 762         help='connect to a bitcoind at this address (default: 127.0.0.1)',
 763         type=str, action='store', default='127.0.0.1', dest='bitcoind_address')
 764     bitcoind_group.add_argument('--bitcoind-rpc-port', metavar='BITCOIND_RPC_PORT',
 765         help='connect to a bitcoind at this port over the RPC interface - used to get the current highest block via getwork (default: 8332 ixcoin: 8338 i0coin: 7332 litecoin: 9332)',
 766         type=int, action='store', default=None, dest='bitcoind_rpc_port')
 767     bitcoind_group.add_argument('--bitcoind-p2p-port', metavar='BITCOIND_P2P_PORT',
 768         help='connect to a bitcoind at this port over the p2p interface - used to submit blocks and get the pubkey to generate to via an IP transaction (default: 8333 namecoin: 8334 ixcoin: 8337 i0coin: 7333 solidcoin: 7555 litecoin: 9333, +10000 for testnets)',
 769         type=int, action='store', default=None, dest='bitcoind_p2p_port')
 770
 771     bitcoind_group.add_argument(metavar='BITCOIND_RPCUSER',
 772         help='bitcoind RPC interface username (default: empty)',
 773         type=str, action='store', default='', nargs='?', dest='bitcoind_rpc_username')
 774     bitcoind_group.add_argument(metavar='BITCOIND_RPCPASSWORD',
 775         help='bitcoind RPC interface password',
 776         type=str, action='store', dest='bitcoind_rpc_password')
 777
 778     args = parser.parse_args()
 779
 780     if args.debug:
 781         p2pool_init.DEBUG = True
 782
 783     if args.logfile is None:
 784         args.logfile = os.path.join(os.path.dirname(sys.argv[0]), args.net_name + ('_testnet' if args.testnet else '') + '.log')
 785
 786     class LogFile(object):
 787         def __init__(self, filename):
 788             self.filename = filename
 789             self.inner_file = None
 790             self.reopen()
 791         def reopen(self):
 792             if self.inner_file is not None:
 793                 self.inner_file.close()
 794             open(self.filename, 'a').close()
 795             f = open(self.filename, 'rb')
 796             f.seek(0, os.SEEK_END)
 797             length = f.tell()
 798             if length > 100*1000*1000:
 799                 f.seek(-1000*1000, os.SEEK_END)
 800                 while True:
 801                     if f.read(1) in ('', '\n'):
 802                         break
 803                 data = f.read()
 804                 f.close()
 805                 f = open(self.filename, 'wb')
 806                 f.write(data)
 807             f.close()
 808             self.inner_file = open(self.filename, 'a')
 809         def write(self, data):
 810             self.inner_file.write(data)
 811         def flush(self):
 812             self.inner_file.flush()
 813     class TeePipe(object):
 814         def __init__(self, outputs):
 815             self.outputs = outputs
 816         def write(self, data):
 817             for output in self.outputs:
 818                 output.write(data)
 819         def flush(self):
 820             for output in self.outputs:
 821                 output.flush()
 822     class TimestampingPipe(object):
 823         def __init__(self, inner_file):
 824             self.inner_file = inner_file
 825             self.buf = ''
 826             self.softspace = 0
 827         def write(self, data):
 828             buf = self.buf + data
 829             lines = buf.split('\n')
 830             for line in lines[:-1]:
 831                 self.inner_file.write('%s %s\n' % (datetime.datetime.now().strftime("%H:%M:%S.%f"), line))
 832                 self.inner_file.flush()
 833             self.buf = lines[-1]
 834         def flush(self):
 835             pass
 836     logfile = LogFile(args.logfile)
 837     sys.stdout = sys.stderr = log.DefaultObserver.stderr = TimestampingPipe(TeePipe([sys.stderr, logfile]))
 838     if hasattr(signal, "SIGUSR1"):
 839         def sigusr1(signum, frame):
 840             print 'Caught SIGUSR1, closing %r...' % (args.logfile,)
 841             logfile.reopen()
 842             print '...and reopened %r after catching SIGUSR1.' % (args.logfile,)
 843         signal.signal(signal.SIGUSR1, sigusr1)
 844     task.LoopingCall(logfile.reopen).start(5)
 845
 846     args.net = p2pool.nets[args.net_name + ('_testnet' if args.testnet else '')]
 847
 848     if args.bitcoind_rpc_port is None:
 849         args.bitcoind_rpc_port = args.net.BITCOIN_RPC_PORT
 850
 851     if args.bitcoind_p2p_port is None:
 852         args.bitcoind_p2p_port = args.net.BITCOIN_P2P_PORT
 853
 854     if args.p2pool_port is None:
 855         args.p2pool_port = args.net.P2P_PORT
 856
 857     if args.worker_port is None:
 858         args.worker_port = args.net.WORKER_PORT
 859
 860     if args.address is not None:
 861         try:
 862             args.pubkey_hash = bitcoin.data.address_to_pubkey_hash(args.address, args.net)
 863         except Exception, e:
 864             parser.error('error parsing address: ' + repr(e))
 865     else:
 866         args.pubkey_hash = None
 867
 868     if (args.merged_url is None) ^ (args.merged_userpass is None):
 869         parser.error('must specify --merged-url and --merged-userpass')
 870
 871     reactor.callWhenRunning(main, args)
 872     reactor.run()