eloipool.py

   1 #!/usr/bin/python3
   2 # Eloipool - Python Bitcoin pool server
   3 # Copyright (C) 2011-2012  Luke Dashjr <luke-jr+eloipool@utopios.org>
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU Affero General Public License as
   7 # published by the Free Software Foundation, either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU Affero General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Affero General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 import config
  19
  20 if not hasattr(config, 'ServerName'):
  21         config.ServerName = 'Unnamed Eloipool'
  22
  23 if not hasattr(config, 'ShareTarget'):
  24         config.ShareTarget = 0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff
  25
  26
  27 import logging
  28
  29 if len(logging.root.handlers) == 0:
  30         logging.basicConfig(
  31                 format='%(asctime)s\t%(name)s\t%(levelname)s\t%(message)s',
  32                 level=logging.DEBUG,
  33         )
  34         for infoOnly in ('checkShare', 'JSONRPCHandler', 'merkleMaker', 'Waker for JSONRPCServer', 'JSONRPCServer'):
  35                 logging.getLogger(infoOnly).setLevel(logging.INFO)
  36
  37 def RaiseRedFlags(reason):
  38         logging.getLogger('redflag').critical(reason)
  39         return reason
  40
  41
  42 from bitcoin.node import BitcoinLink, BitcoinNode
  43 bcnode = BitcoinNode(config.UpstreamNetworkId)
  44 bcnode.userAgent += b'Eloipool:0.1/'
  45
  46 import jsonrpc
  47 UpstreamBitcoindJSONRPC = jsonrpc.ServiceProxy(config.UpstreamURI)
  48
  49
  50 from bitcoin.script import BitcoinScript
  51 from bitcoin.txn import Txn
  52 from base58 import b58decode
  53 from struct import pack
  54 import subprocess
  55 from time import time
  56
  57 def makeCoinbaseTxn(coinbaseValue, useCoinbaser = True):
  58         txn = Txn.new()
  59
  60         if useCoinbaser and hasattr(config, 'CoinbaserCmd') and config.CoinbaserCmd:
  61                 coinbased = 0
  62                 try:
  63                         cmd = config.CoinbaserCmd
  64                         cmd = cmd.replace('%d', str(coinbaseValue))
  65                         p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
  66                         nout = int(p.stdout.readline())
  67                         for i in range(nout):
  68                                 amount = int(p.stdout.readline())
  69                                 addr = p.stdout.readline().rstrip(b'\n').decode('utf8')
  70                                 pkScript = BitcoinScript.toAddress(addr)
  71                                 txn.addOutput(amount, pkScript)
  72                                 coinbased += amount
  73                 except:
  74                         coinbased = coinbaseValue + 1
  75                 if coinbased >= coinbaseValue:
  76                         logging.getLogger('makeCoinbaseTxn').error('Coinbaser failed!')
  77                         txn.outputs = []
  78                 else:
  79                         coinbaseValue -= coinbased
  80
  81         pkScript = BitcoinScript.toAddress(config.TrackerAddr)
  82         txn.addOutput(coinbaseValue, pkScript)
  83
  84         # TODO
  85         # TODO: red flag on dupe coinbase
  86         return txn
  87
  88
  89 import jsonrpc_getwork
  90 from util import Bits2Target
  91
  92 workLog = {}
  93 userStatus = {}
  94 networkTarget = None
  95 DupeShareHACK = {}
  96
  97 server = None
  98 def updateBlocks():
  99         server.wakeLongpoll()
 100
 101 def blockChanged():
 102         global DupeShareHACK
 103         DupeShareHACK = {}
 104         jsonrpc_getwork._CheckForDupesHACK = {}
 105         global MM, networkTarget, server
 106         bits = MM.currentBlock[2]
 107         if bits is None:
 108                 networkTarget = None
 109         else:
 110                 networkTarget = Bits2Target(bits)
 111         workLog.clear()
 112         updateBlocks()
 113
 114
 115 from merklemaker import merkleMaker
 116 MM = merkleMaker()
 117 MM.__dict__.update(config.__dict__)
 118 MM.clearCoinbaseTxn = makeCoinbaseTxn(5000000000, False)  # FIXME
 119 MM.clearCoinbaseTxn.assemble()
 120 MM.makeCoinbaseTxn = makeCoinbaseTxn
 121 MM.onBlockChange = blockChanged
 122 MM.onBlockUpdate = updateBlocks
 123
 124
 125 from binascii import b2a_hex
 126 from copy import deepcopy
 127 from struct import pack, unpack
 128 import threading
 129 from time import time
 130 from util import RejectedShare, dblsha, hash2int, swap32
 131 import jsonrpc
 132 import traceback
 133
 134 gotwork = None
 135 if hasattr(config, 'GotWorkURI'):
 136         gotwork = jsonrpc.ServiceProxy(config.GotWorkURI)
 137
 138 if not hasattr(config, 'DynamicTargetting'):
 139         config.DynamicTargetting = 0
 140 else:
 141         config.DynamicTargetGoal *= 2
 142
 143 def submitGotwork(info):
 144         try:
 145                 gotwork.gotwork(info)
 146         except:
 147                 checkShare.logger.warning('Failed to submit gotwork\n' + traceback.format_exc())
 148
 149 def getTarget(username, now):
 150         if not config.DynamicTargetting:
 151                 return None
 152         if username in userStatus:
 153                 status = userStatus[username]
 154         else:
 155                 userStatus[username] = [None, now, 0]
 156                 return None
 157         (targetIn, lastUpdate, work) = status
 158         if work <= config.DynamicTargetGoal:
 159                 if now < lastUpdate + 120:
 160                         return targetIn
 161                 if not work:
 162                         if targetIn:
 163                                 getTarget.logger.debug("No shares from '%s', resetting to minimum target")
 164                                 userStatus[username] = [None, now, 0]
 165                         return None
 166
 167         deltaSec = now - lastUpdate
 168         targetIn = targetIn or config.ShareTarget
 169         target = targetIn
 170         target = int(target * config.DynamicTargetGoal * deltaSec / 120 / work)
 171         if target > config.ShareTarget:
 172                 target = None
 173         if target != targetIn:
 174                 pfx = 'Retargetting %s' % (repr(username),)
 175                 getTarget.logger.debug("%s from: %064x" % (pfx, targetIn,))
 176                 getTarget.logger.debug("%s   to: %064x" % (pfx, target,))
 177         userStatus[username] = [target, now, 0]
 178         return target
 179 getTarget.logger = logging.getLogger('getTarget')
 180
 181 def setWLI(username, wli, wld):
 182         now = time()
 183         target = getTarget(username, now)
 184         workLog.setdefault(username, {})[wli] = (wld, now, target)
 185         return target or config.ShareTarget
 186
 187 def getBlockHeader(username):
 188         MRD = MM.getMRD()
 189         (merkleRoot, merkleTree, coinbase, prevBlock, bits, rollPrevBlk) = MRD
 190         timestamp = pack('<L', int(time()))
 191         hdr = b'\2\0\0\0' + prevBlock + merkleRoot + timestamp + bits + b'iolE'
 192         workLog.setdefault(username, {})[merkleRoot] = (MRD, time())
 193         target = setWLI(username, merkleRoot, MRD)
 194         return (hdr, workLog[username][merkleRoot], target)
 195
 196 def getBlockTemplate(username):
 197         MC = MM.getMC()
 198         (dummy, merkleTree, coinbase, prevBlock, bits) = MC
 199         wliPos = coinbase[0] + 2
 200         wliLen = coinbase[wliPos - 1]
 201         wli = coinbase[wliPos:wliPos+wliLen]
 202         target = setWLI(username, wli, MC)
 203         return (MC, target)
 204
 205 loggersShare = []
 206
 207 RBDs = []
 208 RBPs = []
 209
 210 from bitcoin.varlen import varlenEncode, varlenDecode
 211 import bitcoin.txn
 212 def assembleBlock(blkhdr, txlist):
 213         payload = blkhdr
 214         payload += varlenEncode(len(txlist))
 215         for tx in txlist:
 216                 payload += tx.data
 217         return payload
 218
 219 def blockSubmissionThread(payload, blkhash):
 220         myblock = (blkhash, payload[4:36])
 221         payload = b2a_hex(payload).decode('ascii')
 222         nexterr = 0
 223         while True:
 224                 try:
 225                         rv = UpstreamBitcoindJSONRPC.submitblock(payload)
 226                         break
 227                 except:
 228                         try:
 229                                 rv = UpstreamBitcoindJSONRPC.getmemorypool(payload)
 230                                 if rv is True:
 231                                         rv = None
 232                                 elif rv is False:
 233                                         rv = 'rejected'
 234                                 break
 235                         except:
 236                                 pass
 237                         now = time()
 238                         if now > nexterr:
 239                                 # FIXME: This will show "Method not found" on pre-BIP22 servers
 240                                 RaiseRedFlags(traceback.format_exc())
 241                                 nexterr = now + 5
 242                         if MM.currentBlock[0] not in myblock:
 243                                 RaiseRedFlags('Giving up on submitting block upstream')
 244                                 return
 245         if rv:
 246                 # FIXME: The returned value could be a list of multiple responses
 247                 RaiseRedFlags('Upstream block submission failed: %s' % (rv,))
 248
 249 def checkShare(share):
 250         shareTime = share['time'] = time()
 251
 252         data = share['data']
 253         data = data[:80]
 254         (prevBlock, height, bits) = MM.currentBlock
 255         sharePrevBlock = data[4:36]
 256         if sharePrevBlock != prevBlock:
 257                 if sharePrevBlock == MM.lastBlock[0]:
 258                         raise RejectedShare('stale-prevblk')
 259                 raise RejectedShare('bad-prevblk')
 260
 261         # TODO: use userid
 262         username = share['username']
 263         if username not in workLog:
 264                 raise RejectedShare('unknown-user')
 265
 266         if data[72:76] != bits:
 267                 raise RejectedShare('bad-diffbits')
 268
 269         # Note that we should accept miners reducing version to 1 if they don't understand 2 yet
 270         # FIXME: When the supermajority is upgraded to version 2, stop accepting 1!
 271         if data[1:4] != b'\0\0\0' or data[0] > 2:
 272                 raise RejectedShare('bad-version')
 273
 274         shareMerkleRoot = data[36:68]
 275         if 'blkdata' in share:
 276                 pl = share['blkdata']
 277                 (txncount, pl) = varlenDecode(pl)
 278                 cbtxn = bitcoin.txn.Txn(pl)
 279                 cbtxn.disassemble(retExtra=True)
 280                 coinbase = cbtxn.getCoinbase()
 281                 wliPos = coinbase[0] + 2
 282                 wliLen = coinbase[wliPos - 1]
 283                 wli = coinbase[wliPos:wliPos+wliLen]
 284                 mode = 'MC'
 285                 moden = 1
 286         else:
 287                 wli = shareMerkleRoot
 288                 mode = 'MRD'
 289                 moden = 0
 290
 291         MWL = workLog[username]
 292         if wli not in MWL:
 293                 raise RejectedShare('unknown-work')
 294         (wld, issueT, workTarget) = MWL[wli]
 295         share[mode] = wld
 296
 297         if data in DupeShareHACK:
 298                 raise RejectedShare('duplicate')
 299         DupeShareHACK[data] = None
 300
 301         blkhash = dblsha(data)
 302         if blkhash[28:] != b'\0\0\0\0':
 303                 raise RejectedShare('H-not-zero')
 304         blkhashn = hash2int(blkhash)
 305
 306         global networkTarget
 307         logfunc = getattr(checkShare.logger, 'info' if blkhashn <= networkTarget else 'debug')
 308         logfunc('BLKHASH: %64x' % (blkhashn,))
 309         logfunc(' TARGET: %64x' % (networkTarget,))
 310
 311         workMerkleTree = wld[1]
 312         workCoinbase = wld[2]
 313
 314         # NOTE: this isn't actually needed for MC mode, but we're abusing it for a trivial share check...
 315         txlist = workMerkleTree.data
 316         txlist = [deepcopy(txlist[0]),] + txlist[1:]
 317         cbtxn = txlist[0]
 318         cbtxn.setCoinbase(workCoinbase)
 319         cbtxn.assemble()
 320
 321         if blkhashn <= networkTarget:
 322                 logfunc("Submitting upstream")
 323                 RBDs.append( deepcopy( (data, txlist, share.get('blkdata', None), workMerkleTree) ) )
 324                 if not moden:
 325                         payload = assembleBlock(data, txlist)
 326                 else:
 327                         payload = share['data'] + share['blkdata']
 328                 logfunc('Real block payload: %s' % (b2a_hex(payload).decode('utf8'),))
 329                 RBPs.append(payload)
 330                 threading.Thread(target=blockSubmissionThread, args=(payload, blkhash)).start()
 331                 bcnode.submitBlock(payload)
 332                 share['upstreamResult'] = True
 333                 MM.updateBlock(blkhash)
 334
 335         # Gotwork hack...
 336         if gotwork and blkhashn <= config.GotWorkTarget:
 337                 try:
 338                         coinbaseMrkl = cbtxn.data
 339                         coinbaseMrkl += blkhash
 340                         steps = workMerkleTree._steps
 341                         coinbaseMrkl += pack('B', len(steps))
 342                         for step in steps:
 343                                 coinbaseMrkl += step
 344                         coinbaseMrkl += b"\0\0\0\0"
 345                         info = {}
 346                         info['hash'] = b2a_hex(blkhash).decode('ascii')
 347                         info['header'] = b2a_hex(data).decode('ascii')
 348                         info['coinbaseMrkl'] = b2a_hex(coinbaseMrkl).decode('ascii')
 349                         thr = threading.Thread(target=submitGotwork, args=(info,))
 350                         thr.daemon = True
 351                         thr.start()
 352                 except:
 353                         checkShare.logger.warning('Failed to build gotwork request')
 354
 355         if workTarget is None:
 356                 workTarget = config.ShareTarget
 357         if blkhashn > workTarget:
 358                 raise RejectedShare('high-hash')
 359         share['target'] = workTarget
 360         share['_targethex'] = '%064x' % (workTarget,)
 361
 362         shareTimestamp = unpack('<L', data[68:72])[0]
 363         if shareTime < issueT - 120:
 364                 raise RejectedShare('stale-work')
 365         if shareTimestamp < shareTime - 300:
 366                 raise RejectedShare('time-too-old')
 367         if shareTimestamp > shareTime + 7200:
 368                 raise RejectedShare('time-too-new')
 369
 370         status = userStatus[username]
 371         target = status[0] or config.ShareTarget
 372         if target == workTarget:
 373                 userStatus[username][2] += 1
 374         else:
 375                 userStatus[username][2] += float(target) / workTarget
 376
 377         if moden:
 378                 cbpre = cbtxn.getCoinbase()
 379                 cbpreLen = len(cbpre)
 380                 if coinbase[:cbpreLen] != cbpre:
 381                         raise RejectedShare('bad-cb-prefix')
 382
 383                 # Filter out known "I support" flags, to prevent exploits
 384                 for ff in (b'/P2SH/', b'NOP2SH', b'p2sh/CHV', b'p2sh/NOCHV'):
 385                         if coinbase.find(ff) > max(-1, cbpreLen - len(ff)):
 386                                 raise RejectedShare('bad-cb-flag')
 387
 388                 if len(coinbase) > 100:
 389                         raise RejectedShare('bad-cb-length')
 390
 391                 cbtxn.setCoinbase(coinbase)
 392                 cbtxn.assemble()
 393                 if shareMerkleRoot != workMerkleTree.withFirst(cbtxn):
 394                         raise RejectedShare('bad-txnmrklroot')
 395
 396                 allowed = assembleBlock(data, txlist)
 397                 if allowed != share['data'] + share['blkdata']:
 398                         raise RejectedShare('bad-txns')
 399 checkShare.logger = logging.getLogger('checkShare')
 400
 401 def receiveShare(share):
 402         # TODO: username => userid
 403         try:
 404                 checkShare(share)
 405         except RejectedShare as rej:
 406                 share['rejectReason'] = str(rej)
 407                 raise
 408         finally:
 409                 if '_origdata' in share:
 410                         share['solution'] = share['_origdata']
 411                 else:
 412                         share['solution'] = b2a_hex(swap32(share['data'])).decode('utf8')
 413                 for i in loggersShare:
 414                         i(share)
 415
 416 def newBlockNotification():
 417         logging.getLogger('newBlockNotification').info('Received new block notification')
 418         MM.updateMerkleTree()
 419         # TODO: Force RESPOND TO LONGPOLLS?
 420         pass
 421
 422 def newBlockNotificationSIGNAL(signum, frame):
 423         # Use a new thread, in case the signal handler is called with locks held
 424         thr = threading.Thread(target=newBlockNotification, name='newBlockNotification via signal %s' % (signum,))
 425         thr.daemon = True
 426         thr.start()
 427
 428 from signal import signal, SIGUSR1
 429 signal(SIGUSR1, newBlockNotificationSIGNAL)
 430
 431
 432 import os
 433 import os.path
 434 import pickle
 435 import signal
 436 import sys
 437 from time import sleep
 438 import traceback
 439
 440 SAVE_STATE_FILENAME = 'eloipool.worklog'
 441
 442 def stopServers():
 443         logger = logging.getLogger('stopServers')
 444
 445         if hasattr(stopServers, 'already'):
 446                 logger.debug('Already tried to stop servers before')
 447                 return
 448         stopServers.already = True
 449
 450         logger.info('Stopping servers...')
 451         global bcnode, server
 452         servers = (bcnode, server)
 453         for s in servers:
 454                 s.keepgoing = False
 455         for s in servers:
 456                 try:
 457                         s.wakeup()
 458                 except:
 459                         logger.error('Failed to stop server %s\n%s' % (s, traceback.format_exc()))
 460         i = 0
 461         while True:
 462                 sl = []
 463                 for s in servers:
 464                         if s.running:
 465                                 sl.append(s.__class__.__name__)
 466                 if not sl:
 467                         break
 468                 i += 1
 469                 if i >= 0x100:
 470                         logger.error('Servers taking too long to stop (%s), giving up' % (', '.join(sl)))
 471                         break
 472                 sleep(0.01)
 473
 474         for s in servers:
 475                 for fd in s._fd.keys():
 476                         os.close(fd)
 477
 478 def saveState(t = None):
 479         logger = logging.getLogger('saveState')
 480
 481         # Then, save data needed to resume work
 482         logger.info('Saving work state to \'%s\'...' % (SAVE_STATE_FILENAME,))
 483         i = 0
 484         while True:
 485                 try:
 486                         with open(SAVE_STATE_FILENAME, 'wb') as f:
 487                                 pickle.dump(t, f)
 488                                 pickle.dump(DupeShareHACK, f)
 489                                 pickle.dump(workLog, f)
 490                         break
 491                 except:
 492                         i += 1
 493                         if i >= 0x10000:
 494                                 logger.error('Failed to save work\n' + traceback.format_exc())
 495                                 try:
 496                                         os.unlink(SAVE_STATE_FILENAME)
 497                                 except:
 498                                         logger.error(('Failed to unlink \'%s\'; resume may have trouble\n' % (SAVE_STATE_FILENAME,)) + traceback.format_exc())
 499
 500 def exit():
 501         t = time()
 502         stopServers()
 503         saveState(t)
 504         logging.getLogger('exit').info('Goodbye...')
 505         os.kill(os.getpid(), signal.SIGTERM)
 506         sys.exit(0)
 507
 508 def restart():
 509         t = time()
 510         stopServers()
 511         saveState(t)
 512         logging.getLogger('restart').info('Restarting...')
 513         try:
 514                 os.execv(sys.argv[0], sys.argv)
 515         except:
 516                 logging.getLogger('restart').error('Failed to exec\n' + traceback.format_exc())
 517
 518 def restoreState():
 519         if not os.path.exists(SAVE_STATE_FILENAME):
 520                 return
 521
 522         global workLog, DupeShareHACK
 523
 524         logger = logging.getLogger('restoreState')
 525         s = os.stat(SAVE_STATE_FILENAME)
 526         logger.info('Restoring saved state from \'%s\' (%d bytes)' % (SAVE_STATE_FILENAME, s.st_size))
 527         try:
 528                 with open(SAVE_STATE_FILENAME, 'rb') as f:
 529                         t = pickle.load(f)
 530                         if type(t) == tuple:
 531                                 if len(t) > 2:
 532                                         # Future formats, not supported here
 533                                         ver = t[3]
 534                                         # TODO
 535
 536                                 # Old format, from 2012-02-02 to 2012-02-03
 537                                 workLog = t[0]
 538                                 DupeShareHACK = t[1]
 539                                 t = None
 540                         else:
 541                                 if isinstance(t, dict):
 542                                         # Old format, from 2012-02-03 to 2012-02-03
 543                                         DupeShareHACK = t
 544                                         t = None
 545                                 else:
 546                                         # Current format, from 2012-02-03 onward
 547                                         DupeShareHACK = pickle.load(f)
 548
 549                                 if t + 120 >= time():
 550                                         workLog = pickle.load(f)
 551                                 else:
 552                                         logger.debug('Skipping restore of expired workLog')
 553         except:
 554                 logger.error('Failed to restore state\n' + traceback.format_exc())
 555                 return
 556         logger.info('State restored successfully')
 557         if t:
 558                 logger.info('Total downtime: %g seconds' % (time() - t,))
 559
 560
 561 from jsonrpcserver import JSONRPCListener, JSONRPCServer
 562 import interactivemode
 563 from networkserver import NetworkListener
 564 import threading
 565 import sharelogging
 566 import imp
 567
 568 if __name__ == "__main__":
 569         if not hasattr(config, 'ShareLogging'):
 570                 config.ShareLogging = ()
 571         if hasattr(config, 'DbOptions'):
 572                 logging.getLogger('backwardCompatibility').warn('DbOptions configuration variable is deprecated; upgrade to ShareLogging var before 2013-03-05')
 573                 config.ShareLogging = list(config.ShareLogging)
 574                 config.ShareLogging.append( {
 575                         'type': 'sql',
 576                         'engine': 'postgres',
 577                         'dbopts': config.DbOptions,
 578                         'statement': "insert into shares (rem_host, username, our_result, upstream_result, reason, solution) values ({Q(remoteHost)}, {username}, {YN(not(rejectReason))}, {YN(upstreamResult)}, {rejectReason}, decode({solution}, 'hex'))",
 579                 } )
 580         for i in config.ShareLogging:
 581                 if not hasattr(i, 'keys'):
 582                         name, parameters = i
 583                         logging.getLogger('backwardCompatibility').warn('Using short-term backward compatibility for ShareLogging[\'%s\']; be sure to update config before 2012-04-04' % (name,))
 584                         if name == 'postgres':
 585                                 name = 'sql'
 586                                 i = {
 587                                         'engine': 'postgres',
 588                                         'dbopts': parameters,
 589                                 }
 590                         elif name == 'logfile':
 591                                 i = {}
 592                                 i['thropts'] = parameters
 593                                 if 'filename' in parameters:
 594                                         i['filename'] = parameters['filename']
 595                                         i['thropts'] = dict(i['thropts'])
 596                                         del i['thropts']['filename']
 597                         else:
 598                                 i = parameters
 599                         i['type'] = name
 600
 601                 name = i['type']
 602                 parameters = i
 603                 try:
 604                         fp, pathname, description = imp.find_module(name, sharelogging.__path__)
 605                         m = imp.load_module(name, fp, pathname, description)
 606                         lo = getattr(m, name)(**parameters)
 607                         loggersShare.append(lo.logShare)
 608                 except:
 609                         logging.getLogger('sharelogging').error("Error setting up share logger %s: %s", name,  sys.exc_info())
 610
 611         LSbc = []
 612         if not hasattr(config, 'BitcoinNodeAddresses'):
 613                 config.BitcoinNodeAddresses = ()
 614         for a in config.BitcoinNodeAddresses:
 615                 LSbc.append(NetworkListener(bcnode, a))
 616
 617         if hasattr(config, 'UpstreamBitcoindNode') and config.UpstreamBitcoindNode:
 618                 BitcoinLink(bcnode, dest=config.UpstreamBitcoindNode)
 619
 620         import jsonrpc_getblocktemplate
 621         import jsonrpc_getwork
 622         import jsonrpc_setworkaux
 623
 624         server = JSONRPCServer()
 625         if hasattr(config, 'JSONRPCAddress'):
 626                 logging.getLogger('backwardCompatibility').warn('JSONRPCAddress configuration variable is deprecated; upgrade to JSONRPCAddresses list before 2013-03-05')
 627                 if not hasattr(config, 'JSONRPCAddresses'):
 628                         config.JSONRPCAddresses = []
 629                 config.JSONRPCAddresses.insert(0, config.JSONRPCAddress)
 630         LS = []
 631         for a in config.JSONRPCAddresses:
 632                 LS.append(JSONRPCListener(server, a))
 633         if hasattr(config, 'SecretUser'):
 634                 server.SecretUser = config.SecretUser
 635         server.aux = MM.CoinbaseAux
 636         server.getBlockHeader = getBlockHeader
 637         server.getBlockTemplate = getBlockTemplate
 638         server.receiveShare = receiveShare
 639         server.RaiseRedFlags = RaiseRedFlags
 640         server.ShareTarget = config.ShareTarget
 641
 642         if hasattr(config, 'TrustedForwarders'):
 643                 server.TrustedForwarders = config.TrustedForwarders
 644         server.ServerName = config.ServerName
 645
 646         MM.start()
 647
 648         restoreState()
 649
 650         bcnode_thr = threading.Thread(target=bcnode.serve_forever)
 651         bcnode_thr.daemon = True
 652         bcnode_thr.start()
 653
 654         server.serve_forever()