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armoryengine.py
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armoryengine.py
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################################################################################
#
# Copyright (C) 2011-2013, Alan C. Reiner <[email protected]>
# Distributed under the GNU Affero General Public License (AGPL v3)
# See LICENSE or http://www.gnu.org/licenses/agpl.html
#
################################################################################
#
# Project: Armory
# Author: Alan Reiner
# Website: www.bitcoinarmory.com
# Orig Date: 20 November, 2011
#
################################################################################
# Version Numbers
BTCARMORY_VERSION = (0, 86, 3, 0) # (Major, Minor, Minor++, even-more-minor)
PYBTCWALLET_VERSION = (1, 35, 0, 0) # (Major, Minor, Minor++, even-more-minor)
ARMORY_DONATION_ADDR = '1ArmoryXcfq7TnCSuZa9fQjRYwJ4bkRKfv'
import copy
import hashlib
import random
import time
import os
import string
import sys
import shutil
import math
import logging
import logging.handlers
import ast
import traceback
import threading
from struct import pack, unpack
from datetime import datetime
from sys import argv
import optparse
parser = optparse.OptionParser(usage="%prog [options]\n")
parser.add_option("--settings", dest="settingsPath", default='DEFAULT', type="str",
help="load Armory with a specific settings file")
parser.add_option("--datadir", dest="datadir", default='DEFAULT', type="str",
help="Change the directory that Armory calls home")
parser.add_option("--satoshi-datadir", dest="satoshiHome", default='DEFAULT', type='str',
help="The Bitcoin-Qt/bitcoind home directory")
parser.add_option("--satoshi-port", dest="satoshiPort", default='DEFAULT', type="str",
help="For Bitcoin-Qt instances operating on a non-standard port")
parser.add_option("--testnet", dest="testnet", action="store_true", default=False,
help="Use the testnet protocol")
parser.add_option("--offline", dest="offline", action="store_true", default=False,
help="Force Armory to run in offline mode")
parser.add_option("--nettimeout", dest="nettimeout", default=2, type="int",
help="Timeout for detecting internet connection at startup")
parser.add_option("--interport", dest="interport", default=-1, type="int",
help="Port for inter-process communication between Armory instances")
parser.add_option("--debug", dest="doDebug", action="store_true", default=False,
help="Increase amount of debugging output")
parser.add_option("--nologging", dest="logDisable", action="store_true", default=False,
help="Disable all logging")
parser.add_option("--netlog", dest="netlog", action="store_true", default=False,
help="Log networking messages sent and received by Armory")
parser.add_option("--mtdebug", dest="mtdebug", action="store_true", default=False,
help="Log multi-threaded call sequences")
parser.add_option("--skip-online-check", dest="forceOnline", action="store_true", default=False,
help="Go into online mode, even if internet connection isn't detected")
parser.add_option("--keypool", dest="keypool", default=100, type="int",
help="Default number of addresses to lookahead in Armory wallets")
(CLI_OPTIONS, CLI_ARGS) = parser.parse_args()
# Use CLI args to determine testnet or not
USE_TESTNET = CLI_OPTIONS.testnet
# Set default port for inter-process communication
if CLI_OPTIONS.interport < 0:
CLI_OPTIONS.interport = 8223 + (1 if USE_TESTNET else 0)
def getVersionString(vquad, numPieces=4):
vstr = '%d.%02d' % vquad[:2]
if (vquad[2] > 0 or vquad[3] > 0) and numPieces>2:
vstr += '.%d' % vquad[2]
if vquad[3] > 0 and numPieces>3:
vstr += '.%d' % vquad[3]
return vstr
def getVersionInt(vquad, numPieces=4):
vint = int(vquad[0] * 1e7)
vint += int(vquad[1] * 1e5)
if numPieces>2:
vint += int(vquad[2] * 1e3)
if numPieces>3:
vint += int(vquad[3])
return vint
def readVersionString(verStr):
verList = [int(piece) for piece in verStr.split('.')]
while len(verList)<4:
verList.append(0)
return tuple(verList)
def readVersionInt(verInt):
verStr = str(verInt).rjust(10,'0')
verList = []
verList.append( int(verStr[ -3:]) )
verList.append( int(verStr[ -5:-3 ]) )
verList.append( int(verStr[ -7:-5 ]) )
verList.append( int(verStr[:-7 ]) )
return tuple(verList[::-1])
print '********************************************************************************'
print 'Loading Armory Engine:'
print ' Armory Version: ', getVersionString(BTCARMORY_VERSION)
print ' PyBtcWallet Version:', getVersionString(PYBTCWALLET_VERSION)
# Get the host operating system
import platform
opsys = platform.system()
OS_WINDOWS = 'win32' in opsys.lower() or 'windows' in opsys.lower()
OS_LINUX = 'nix' in opsys.lower() or 'nux' in opsys.lower()
OS_MACOSX = 'darwin' in opsys.lower() or 'osx' in opsys.lower()
# Figure out the default directories for Satoshi client, and BicoinArmory
OS_NAME = ''
USER_HOME_DIR = ''
BTC_HOME_DIR = ''
ARMORY_HOME_DIR = ''
SUBDIR = 'testnet3' if USE_TESTNET else ''
if OS_WINDOWS:
OS_NAME = 'Windows'
USER_HOME_DIR = os.getenv('APPDATA')
BTC_HOME_DIR = os.path.join(USER_HOME_DIR, 'Bitcoin', SUBDIR)
ARMORY_HOME_DIR = os.path.join(USER_HOME_DIR, 'Armory', SUBDIR)
elif OS_LINUX:
OS_NAME = 'Linux'
USER_HOME_DIR = os.getenv('HOME')
BTC_HOME_DIR = os.path.join(USER_HOME_DIR, '.bitcoin', SUBDIR)
ARMORY_HOME_DIR = os.path.join(USER_HOME_DIR, '.armory', SUBDIR)
elif OS_MACOSX:
OS_NAME = 'Mac/OSX'
USER_HOME_DIR = os.path.expanduser('~/Library/Application Support')
BTC_HOME_DIR = os.path.join(USER_HOME_DIR, 'Bitcoin', SUBDIR)
ARMORY_HOME_DIR = os.path.join(USER_HOME_DIR, 'Armory', SUBDIR)
else:
print '***Unknown operating system!'
print '***Cannot determine default directory locations'
# Allow user to override default bitcoin-qt/bitcoind home directory
if not CLI_OPTIONS.satoshiHome.lower()=='default':
if not os.path.exists(CLI_OPTIONS.satoshiHome):
print 'Directory "%s" does not exist! Using default!' % CLI_OPTIONS.satoshiHome
else:
BTC_HOME_DIR = CLI_OPTIONS.satoshiHome
# Allow user to override default Armory home directory
if not CLI_OPTIONS.datadir.lower()=='default':
if not os.path.exists(CLI_OPTIONS.datadir):
print 'Directory "%s" does not exist! Using default!' % CLI_OPTIONS.datadir
else:
ARMORY_HOME_DIR = CLI_OPTIONS.datadir
# Change the settings file to use
if CLI_OPTIONS.settingsPath.lower()=='default':
CLI_OPTIONS.settingsPath = os.path.join(ARMORY_HOME_DIR, 'ArmorySettings.txt')
SETTINGS_PATH = CLI_OPTIONS.settingsPath
ARMORY_LOG_FILE = os.path.join(ARMORY_HOME_DIR, 'armorylog.txt')
# If this is the first Armory has been run, create directories
if ARMORY_HOME_DIR and not os.path.exists(ARMORY_HOME_DIR):
os.makedirs(ARMORY_HOME_DIR)
def findLatestBlkFiles(baseDir):
# Bitcoin-Qt 0.8+ uses new location. User might also be specifying
# non-standard location. Detect whatever the heck we can...
lastModTimeOld4 = 0
lastModTimeOld5 = 0
lastModTimeNew4 = 0
lastModTimeNew5 = 0
newDir = os.path.join(baseDir, 'blocks')
newBlkPath4 = lambda x: os.path.join(newDir, 'blk%04d.dat'%x)
newBlkPath5 = lambda x: os.path.join(newDir, 'blk%05d.dat'%x)
oldBlkPath4 = lambda x: os.path.join(baseDir, 'blk%04d.dat'%x)
oldBlkPath5 = lambda x: os.path.join(baseDir, 'blk%05d.dat'%x)
# Check the last modification time of the top blocks/blk000X.dat
i = 1;
if os.path.exists(newDir) and os.path.exists(newBlkPath4(i)):
while( os.path.exists(newBlkPath4(i) ) ):
lastModTimeNew4 = os.path.getmtime(newBlkPath4(i))
i += 1
# Check the last modification time of the top blocks/blk0000X.dat
i = 0;
if os.path.exists(newDir) and os.path.exists(newBlkPath5(i)):
while( os.path.exists(newBlkPath5(i) ) ):
lastModTimeNew5 = os.path.getmtime(newBlkPath5(i))
i += 1
# Check the last modification time of the top blk000X.dat
i = 1;
if os.path.exists(baseDir) and os.path.exists( oldBlkPath4(i)):
while( os.path.exists(oldBlkPath4(i) ) ):
lastModTimeOld4 = os.path.getmtime(oldBlkPath4(i))
i += 1
# Check the last modification time of the top blk0000X.dat
i = 0;
if os.path.exists(baseDir) and os.path.exists( oldBlkPath5(i)):
while( os.path.exists(oldBlkPath5(i) ) ):
lastModTimeOld5 = os.path.getmtime(oldBlkPath5(i))
i += 1
latestMod = max(lastModTimeNew4, lastModTimeNew5, lastModTimeOld4, lastModTimeOld5)
if latestMod==0:
print '\n*****ERROR: No blkXXXXX.dat files found!\n'
output = [newDir, 5, 0]
if(lastModTimeNew4 == latestMod):
output = [newDir, 4, 1]
elif(lastModTimeNew5 == latestMod):
output = [newDir, 5, 0]
elif(lastModTimeOld4 == latestMod):
output = [baseDir, 4, 1]
elif(lastModTimeOld5 == latestMod):
output = [baseDir, 5, 0]
# We didn't detect anything... will return default location for 0.8+
firstFile = os.path.join(output[0], 'blk')
firstFile += ('%%0%dd.dat' % output[1]) % output[2]
output.append(firstFile)
return output
BLKFILE_LOCATION = findLatestBlkFiles(BTC_HOME_DIR)
BLKFILE_DIRECTORY = BLKFILE_LOCATION[0]
BLKFILE_NUMDIGITS = BLKFILE_LOCATION[1]
BLKFILE_STARTINDEX = BLKFILE_LOCATION[2]
BLKFILE_FIRSTFILE = BLKFILE_LOCATION[3]
print 'Detected Operating system:', OS_NAME
print ' User home-directory :', USER_HOME_DIR
print ' Satoshi BTC directory :', BTC_HOME_DIR
print ' First blkX.dat file :', BLKFILE_FIRSTFILE
print ' Armory home dir :', ARMORY_HOME_DIR
class UnserializeError(Exception): pass
class BadAddressError(Exception): pass
class VerifyScriptError(Exception): pass
class FileExistsError(Exception): pass
class ECDSA_Error(Exception): pass
class PackerError(Exception): pass
class UnpackerError(Exception): pass
class UnitializedBlockDataError(Exception): pass
class WalletLockError(Exception): pass
class SignatureError(Exception): pass
class KeyDataError(Exception): pass
class ChecksumError(Exception): pass
class WalletAddressError(Exception): pass
class PassphraseError(Exception): pass
class EncryptionError(Exception): pass
class InterruptTestError(Exception): pass
class NetworkIDError(Exception): pass
class WalletExistsError(Exception): pass
class ConnectionError(Exception): pass
class BlockchainUnavailableError(Exception): pass
class InvalidHashError(Exception): pass
class BadInputError(Exception): pass
class BadURIError(Exception): pass
class CompressedKeyError(Exception): pass
##### MAIN NETWORK IS DEFAULT #####
if not USE_TESTNET:
# TODO: The testnet genesis tx hash can't be the same...?
BITCOIN_PORT = 8333
MAGIC_BYTES = '\xf9\xbe\xb4\xd9'
GENESIS_BLOCK_HASH_HEX = '6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000'
GENESIS_BLOCK_HASH = 'o\xe2\x8c\n\xb6\xf1\xb3r\xc1\xa6\xa2F\xaec\xf7O\x93\x1e\x83e\xe1Z\x08\x9ch\xd6\x19\x00\x00\x00\x00\x00'
GENESIS_TX_HASH_HEX = '3ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a'
GENESIS_TX_HASH = ';\xa3\xed\xfdz{\x12\xb2z\xc7,>gv\x8fa\x7f\xc8\x1b\xc3\x88\x8aQ2:\x9f\xb8\xaaK\x1e^J'
ADDRBYTE = '\x00'
else:
BITCOIN_PORT = 18333
MAGIC_BYTES = '\x0b\x11\x09\x07'
GENESIS_BLOCK_HASH_HEX = '43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000'
GENESIS_BLOCK_HASH = 'CI\x7f\xd7\xf8&\x95q\x08\xf4\xa3\x0f\xd9\xce\xc3\xae\xbay\x97 \x84\xe9\x0e\xad\x01\xea3\t\x00\x00\x00\x00'
GENESIS_TX_HASH_HEX = '3ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a'
GENESIS_TX_HASH = ';\xa3\xed\xfdz{\x12\xb2z\xc7,>gv\x8fa\x7f\xc8\x1b\xc3\x88\x8aQ2:\x9f\xb8\xaaK\x1e^J'
ADDRBYTE = '\x6f'
if not CLI_OPTIONS.satoshiPort == 'DEFAULT':
try:
BITCOIN_PORT = int(CLI_OPTIONS.satoshiPort)
except:
raise TypeError, 'Invalid port for Bitcoin-Qt, using ' + str(BITCOIN_PORT)
BLOCKCHAINS = {}
BLOCKCHAINS['\xf9\xbe\xb4\xd9'] = "Main Network"
BLOCKCHAINS['\xfa\xbf\xb5\xda'] = "Old Test Network"
BLOCKCHAINS['\x0b\x11\x09\x07'] = "Test Network (testnet3)"
NETWORKS = {}
NETWORKS['\x00'] = "Main Network"
NETWORKS['\x6f'] = "Test Network"
NETWORKS['\x34'] = "Namecoin Network"
######### INITIALIZE LOGGING UTILITIES ##########
#
# Setup logging to write INFO+ to file, and WARNING+ to console
# In debug mode, will write DEBUG+ to file and INFO+ to console
#
# Want to get the line in which an error was triggered, but by wrapping
# the logger function (as I will below), the displayed "file:linenum"
# references the logger function, not the function that called it.
# So I use traceback to find the file and line number two up in the
# stack trace, and return that to be displayed instead of default
# [Is this a hack? Yes and no. I see no other way to do this]
def getCallerLine():
stkTwoUp = traceback.extract_stack()[-3]
filename,method = stkTwoUp[0], stkTwoUp[1]
return '%s:%d' % (os.path.basename(filename),method)
# When there's an error in the logging function, it's impossible to find!
# These wrappers will print the full stack so that it's possible to find
# which line triggered the error
def LOGDEBUG(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.debug(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
def LOGINFO(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.info(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
def LOGWARN(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.warn(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
def LOGERROR(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.error(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
def LOGCRIT(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.critical(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
def LOGEXCEPT(msg, *a):
try:
logstr = msg if len(a)==0 else (msg%a)
callerStr = getCallerLine() + ' - '
logging.exception(callerStr + logstr)
except TypeError:
traceback.print_stack()
raise
DEFAULT_CONSOLE_LOGTHRESH = logging.WARNING
DEFAULT_FILE_LOGTHRESH = logging.INFO
DEFAULT_PPRINT_LOGLEVEL = logging.DEBUG
DEFAULT_RAWDATA_LOGLEVEL = logging.DEBUG
rootLogger = logging.getLogger('')
if CLI_OPTIONS.doDebug or CLI_OPTIONS.netlog or CLI_OPTIONS.mtdebug:
# Drop it all one level: console will see INFO, file will see DEBUG
DEFAULT_CONSOLE_LOGTHRESH -= 10
DEFAULT_FILE_LOGTHRESH -= 10
def chopLogFile(filename, size):
if not os.path.exists(filename):
print 'Log file doesn\'t exist [yet]'
return
logfile = open(filename, 'r')
allLines = logfile.readlines()
logfile.close()
nBytes,nLines = 0,0;
for line in allLines[::-1]:
nBytes += len(line)
nLines += 1
if nBytes>size:
break
logfile = open(filename, 'w')
for line in allLines[-nLines:]:
logfile.write(line)
logfile.close()
# Cut down the log file to just the most recent 100 kB
chopLogFile(ARMORY_LOG_FILE, 100*1024)
# Now set loglevels
DateFormat = '%Y-%m-%d %H:%M'
logging.getLogger('').setLevel(logging.DEBUG)
fileFormatter = logging.Formatter('%(asctime)s (%(levelname)s) -- %(message)s', \
datefmt=DateFormat)
fileHandler = logging.FileHandler(ARMORY_LOG_FILE)
fileHandler.setLevel(DEFAULT_FILE_LOGTHRESH)
fileHandler.setFormatter(fileFormatter)
logging.getLogger('').addHandler(fileHandler)
consoleFormatter = logging.Formatter('(%(levelname)s) %(message)s')
consoleHandler = logging.StreamHandler()
consoleHandler.setLevel(DEFAULT_CONSOLE_LOGTHRESH)
consoleHandler.setFormatter( consoleFormatter )
logging.getLogger('').addHandler(consoleHandler)
class stringAggregator(object):
def __init__(self):
self.theStr = ''
def getStr(self):
return self.theStr
def write(self, theStr):
self.theStr += theStr
# A method to redirect pprint() calls to the log file
# Need a way to take a pprint-able object, and redirect its output to file
# Do this by swapping out sys.stdout temporarily, execute theObj.pprint()
# then set sys.stdout back to the original.
def LOGPPRINT(theObj, loglevel=DEFAULT_PPRINT_LOGLEVEL):
sys.stdout = stringAggregator()
theObj.pprint()
printedStr = sys.stdout.getStr()
sys.stdout = sys.__stdout__
stkOneUp = traceback.extract_stack()[-2]
filename,method = stkOneUp[0], stkOneUp[1]
methodStr = '(PPRINT from %s:%d)\n' % (filename,method)
logging.log(loglevel, methodStr + printedStr)
# For super-debug mode, we'll write out raw data
def LOGRAWDATA(rawStr, loglevel=DEFAULT_RAWDATA_LOGLEVEL):
dtype = isLikelyDataType(rawStr)
stkOneUp = traceback.extract_stack()[-2]
filename,method = stkOneUp[0], stkOneUp[1]
methodStr = '(PPRINT from %s:%d)\n' % (filename,method)
pstr = rawStr[:]
if dtype==DATATYPE.Binary:
pstr = binary_to_hex(rawStr)
pstr = prettyHex(pstr, indent=' ', withAddr=False)
elif dtype==DATATYPE.Hex:
pstr = prettyHex(pstr, indent=' ', withAddr=False)
else:
pstr = ' ' + '\n '.join(pstr.split('\n'))
logging.log(loglevel, methodStr + pstr)
cpplogfile = None
if CLI_OPTIONS.logDisable:
print 'Logging is disabled'
rootLogger.disabled = True
# For now, ditch the C++-console-catching. Logging python is enough
# My attempt at C++ logging too was becoming a hardcore hack...
"""
elif CLI_OPTIONS.logcpp:
# In order to catch C++ output, we have to redirect ALL stdout
# (which means that console writes by python, too)
cpplogfile = open(ARMORY_LOG_FILE_CPP, 'r')
allLines = cpplogfile.readlines()
cpplogfile.close()
# Chop off the beginning of the file
nBytes,nLines = 0,0;
for line in allLines[::-1]:
nBytes += len(line)
nLines += 1
if nBytes>100*1024:
break
cpplogfile = open(ARMORY_LOG_FILE_CPP, 'w')
print 'nlines:', nLines
for line in allLines[-nLines:]:
print line,
cpplogfile.write(line)
cpplogfile.close()
cpplogfile = open(ARMORY_LOG_FILE_CPP, 'a')
raw_input()
os.dup2(cpplogfile.fileno(), sys.stdout.fileno())
raw_input()
os.dup2(cpplogfile.fileno(), sys.stderr.fileno())
"""
def logexcept_override(type, value, tback):
import traceback
import logging
strList = traceback.format_exception(type,value,tback)
logging.error(''.join([s for s in strList]))
# then call the default handler
sys.__excepthook__(type, value, tback)
sys.excepthook = logexcept_override
LOGINFO('')
LOGINFO('')
LOGINFO('')
LOGINFO('************************************************************')
LOGINFO('Invoked: ' + ' '.join(argv))
LOGINFO('************************************************************')
LOGINFO('Loading Armory Engine:')
LOGINFO(' Armory Version : ' + getVersionString(BTCARMORY_VERSION))
LOGINFO(' PyBtcWallet Version : ' + getVersionString(PYBTCWALLET_VERSION))
LOGINFO('Detected Operating system: ' + OS_NAME)
LOGINFO(' User home-directory : ' + USER_HOME_DIR)
LOGINFO(' Satoshi BTC directory : ' + BTC_HOME_DIR)
LOGINFO(' Armory home dir : ' + ARMORY_HOME_DIR)
LOGINFO('')
LOGINFO('Network Name: ' + NETWORKS[ADDRBYTE])
LOGINFO('Satoshi Port: %d', BITCOIN_PORT)
LOGINFO('Named options/arguments to armoryengine.py:')
for key,val in ast.literal_eval(str(CLI_OPTIONS)).iteritems():
LOGINFO(' %-16s: %s', key,val)
LOGINFO('Other arguments:')
for val in CLI_ARGS:
LOGINFO(' %s', val)
LOGINFO('************************************************************')
def coin2str(nSatoshi, ndec=8, rJust=False, maxZeros=8):
"""
Converts a raw value (1e-8 BTC) into a formatted string for display
ndec, guarantees that we get get a least N decimal places in our result
maxZeros means we will replace zeros with spaces up to M decimal places
in order to declutter the amount field
"""
nBtc = float(nSatoshi) / float(ONE_BTC)
s = '0.0'
if ndec==8: s = '%0.8f' % (nBtc,)
elif ndec==7: s = '%0.7f' % (nBtc,)
elif ndec==6: s = '%0.6f' % (nBtc,)
elif ndec==5: s = '%0.5f' % (nBtc,)
elif ndec==4: s = '%0.4f' % (nBtc,)
elif ndec==3: s = '%0.3f' % (nBtc,)
elif ndec==2: s = '%0.2f' % (nBtc,)
elif ndec==1: s = '%0.1f' % (nBtc,)
elif ndec==0: s = '%0.0f' % (nBtc,)
s = s.rjust(18, ' ')
if maxZeros < ndec:
maxChop = ndec - maxZeros
nChop = min(len(s) - len(str(s.strip('0'))), maxChop)
if nChop>0:
s = s[:-nChop] + nChop*' '
if not rJust:
s.strip(' ')
s = s.replace('. ',' ')
return s
def coin2str_approx(nSatoshi, sigfig=3):
posVal = nSatoshi
isNeg = False
if nSatoshi<0:
isNeg = True
posVal *= -1
nDig = max(round(math.log(posVal+1, 10)-0.5), 0)
nChop = max(nDig-2, 0 )
approxVal = round((10**nChop) * round(posVal / (10**nChop)))
return coin2str( (-1 if isNeg else 1)*approxVal, maxZeros=0)
# This is a sweet trick for create enum-like dictionaries.
# Either automatically numbers (*args), or name-val pairs (**kwargs)
#http://stackoverflow.com/questions/36932/whats-the-best-way-to-implement-an-enum-in-python
def enum(*sequential, **named):
enums = dict(zip(sequential, range(len(sequential))), **named)
return type('Enum', (), enums)
def str2coin(coinStr):
if not '.' in coinStr:
return int(coinStr)*ONE_BTC
else:
lhs,rhs = coinStr.split('.')
rhs = rhs[:8]
return int(lhs)*ONE_BTC + int(rhs.ljust(8,'0'))
# Some useful constants to be used throughout everything
BASE58CHARS = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
BASE16CHARS = '0123 4567 89ab cdef'.replace(' ','')
LITTLEENDIAN = '<';
BIGENDIAN = '>';
NETWORKENDIAN = '!';
ONE_BTC = long(100000000)
CENT = long(1000000)
UNINITIALIZED = None
UNKNOWN = -2
MIN_TX_FEE = 50000
MIN_RELAY_TX_FEE = 10000
MT_WAIT_TIMEOUT_SEC = 10;
UINT8_MAX = 2**8-1
UINT16_MAX = 2**16-1
UINT32_MAX = 2**32-1
UINT64_MAX = 2**64-1
RightNow = time.time
SECOND = 1
MINUTE = 60
HOUR = 3600
DAY = 24*HOUR
WEEK = 7*DAY
MONTH = 30*DAY
YEAR = 365*DAY
# Set the default-default
DEFAULT_DATE_FORMAT = '%Y-%b-%d %I:%M%p'
FORMAT_SYMBOLS = [ \
['%y', 'year, two digit (00-99)'], \
['%Y', 'year, four digit'], \
['%b', 'month name (abbrev)'], \
['%B', 'month name (full)'], \
['%m', 'month number (01-12)'], \
['%d', 'day of month (01-31)'], \
['%H', 'hour 24h (00-23)'], \
['%I', 'hour 12h (01-12)'], \
['%M', 'minute (00-59)'], \
['%p', 'morning/night (am,pm)'], \
['%a', 'day of week (abbrev)'], \
['%A', 'day of week (full)'], \
['%%', 'percent symbol'] ]
# Some time methods (RightNow() return local unix timestamp)
RightNow = time.time
def RightNowUTC():
return time.mktime(time.gmtime(RightNow()))
################################################################################
# Load the C++ utilites here
#
# The SWIG/C++ block utilities give us access to the blockchain, fast ECDSA
# operations, and general encryption/secure-binary containers
################################################################################
try:
import CppBlockUtils as Cpp
from CppBlockUtils import KdfRomix, CryptoECDSA, CryptoAES, SecureBinaryData
LOGINFO('C++ block utilities loaded successfully')
except:
LOGCRIT('C++ block utilities not available.')
LOGCRIT(' Make sure that you have the SWIG-compiled modules')
LOGCRIT(' in the current directory (or added to the PATH)')
LOGCRIT(' Specifically, you need:')
LOGCRIT(' CppBlockUtils.py and')
if OS_LINUX or OS_MACOSX:
LOGCRIT(' _CppBlockUtils.so')
elif OS_WINDOWS:
LOGCRIT(' _CppBlockUtils.pyd')
else:
LOGCRIT('\n\n... UNKNOWN operating system')
raise
################################################################################
# Might as well create the BDM right here -- there will only ever be one, anyway
# NOTE: Moved this to the end, after the BDMThreadManager class, so that if the
# option is selected, TheBDM can reference the asynchronous version.
#TheBDM = Cpp.BlockDataManager().getBDM()
DATATYPE = enum("Binary", 'Base58', 'Hex')
def isLikelyDataType(theStr, dtype=None):
"""
This really shouldn't be used on short strings. Hence
why it's called "likely" datatype...
"""
ret = None
hexCount = sum([1 if c in BASE16CHARS else 0 for c in theStr])
b58Count = sum([1 if c in BASE58CHARS else 0 for c in theStr])
canBeHex = hexCount==len(theStr)
canBeB58 = b58Count==len(theStr)
if canBeHex:
ret = DATATYPE.Hex
elif canBeB58 and not canBeHex:
ret = DATATYPE.Base58
else:
ret = DATATYPE.Binary
if dtype==None:
return ret
else:
return dtype==ret
def getCurrTimeAndBlock():
time0 = long(RightNowUTC())
if TheBDM.getBDMState()=='BlockchainReady':
return (time0, TheBDM.getTopBlockHeight())
else:
return (time0, UINT32_MAX)
# Define all the hashing functions we're going to need. We don't actually
# use any of the first three directly (sha1, sha256, ripemd160), we only
# use hash256 and hash160 which use the first three to create the ONLY hash
# operations we ever do in the bitcoin network
# UPDATE: mini-private-key format requires vanilla sha256...
def sha1(bits):
return hashlib.new('sha1', bits).digest()
def sha256(bits):
return hashlib.new('sha256', bits).digest()
def sha512(bits):
return hashlib.new('sha512', bits).digest()
def ripemd160(bits):
# It turns out that not all python has ripemd160...?
#return hashlib.new('ripemd160', bits).digest()
return Cpp.BtcUtils().ripemd160_SWIG(bits)
def hash256(s):
""" Double-SHA256 """
return sha256(sha256(s))
def hash160(s):
""" RIPEMD160( SHA256( binaryStr ) ) """
return Cpp.BtcUtils().getHash160_SWIG(s)
################################################################################
def prettyHex(theStr, indent='', withAddr=True, major=8, minor=8):
"""
This is the same as pprintHex(), but returns the string instead of
printing it to console. This is useful for redirecting output to
files, or doing further modifications to the data before display
"""
outStr = ''
sz = len(theStr)
nchunk = int((sz-1)/minor) + 1;
for i in range(nchunk):
if i%major==0:
outStr += '\n' + indent
if withAddr:
locStr = int_to_hex(i*minor/2, widthBytes=2, endOut=BIGENDIAN)
outStr += '0x' + locStr + ': '
outStr += theStr[i*minor:(i+1)*minor] + ' '
return outStr
################################################################################
def pprintHex(theStr, indent='', withAddr=True, major=8, minor=8):
"""
This method takes in a long hex string and prints it out into rows
of 64 hex chars, in chunks of 8 hex characters, and with address
markings on each row. This means that each row displays 32 bytes,
which is usually pleasant.
The format is customizable: you can adjust the indenting of the
entire block, remove address markings, or change the major/minor
grouping size (major * minor = hexCharsPerRow)
"""
print prettyHex(theStr, indent, withAddr, major, minor)
def pprintDiff(str1, str2, indent=''):
if not len(str1)==len(str2):
print 'pprintDiff: Strings are different length!'
return
byteDiff = []
for i in range(len(str1)):
if str1[i]==str2[i]:
byteDiff.append('-')
else:
byteDiff.append('X')
pprintHex(''.join(byteDiff), indent=indent)
##### Switch endian-ness #####
def hex_switchEndian(s):
""" Switches the endianness of a hex string (in pairs of hex chars) """
pairList = [s[i]+s[i+1] for i in xrange(0,len(s),2)]
return ''.join(pairList[::-1])
def binary_switchEndian(s):
""" Switches the endianness of a binary string """
return s[::-1]
##### INT/HEXSTR #####
def int_to_hex(i, widthBytes=0, endOut=LITTLEENDIAN):
"""
Convert an integer (int() or long()) to hexadecimal. Default behavior is
to use the smallest even number of hex characters necessary, and using
little-endian. Use the widthBytes argument to add 0-padding where needed
if you are expecting constant-length output.
"""
h = hex(i)[2:]
if isinstance(i,long):
h = h[:-1]
if len(h)%2 == 1:
h = '0'+h
if not widthBytes==0:
nZero = 2*widthBytes - len(h)
if nZero > 0:
h = '0'*nZero + h
if endOut==LITTLEENDIAN:
h = hex_switchEndian(h)
return h
def hex_to_int(h, endIn=LITTLEENDIAN):
"""
Convert hex-string to integer (or long). Default behavior is to interpret
hex string as little-endian
"""
hstr = h[:] # copies data, no references
if endIn==LITTLEENDIAN:
hstr = hex_switchEndian(hstr)
return( int(hstr, 16) )
##### HEXSTR/BINARYSTR #####
def hex_to_binary(h, endIn=LITTLEENDIAN, endOut=LITTLEENDIAN):
"""
Converts hexadecimal to binary (in a python string). Endianness is
only switched if (endIn != endOut)
"""
bout = h[:] # copies data, no references
if not endIn==endOut:
bout = hex_switchEndian(bout)
return bout.decode('hex_codec')
def binary_to_hex(b, endOut=LITTLEENDIAN, endIn=LITTLEENDIAN):
"""
Converts binary to hexadecimal. Endianness is only switched
if (endIn != endOut)
"""
hout = b.encode('hex_codec')
if not endOut==endIn:
hout = hex_switchEndian(hout)
return hout
##### INT/BINARYSTR #####
def int_to_binary(i, widthBytes=0, endOut=LITTLEENDIAN):
"""
Convert integer to binary. Default behavior is use as few bytes
as necessary, and to use little-endian. This can be changed with
the two optional input arguemnts.
"""
h = int_to_hex(i,widthBytes)
return hex_to_binary(h, endOut=endOut)
def binary_to_int(b, endIn=LITTLEENDIAN):
"""
Converts binary to integer (or long). Interpret as LE by default
"""
h = binary_to_hex(b, endIn, LITTLEENDIAN)
return hex_to_int(h)
##### INT/BITS #####
def int_to_bitset(i, widthBytes=0):
bitsOut = []
while i>0:
i,r = divmod(i,2)
bitsOut.append(['0','1'][r])
result = ''.join(bitsOut)
if widthBytes != 0:
result = result.ljust(widthBytes*8,'0')
return result
def bitset_to_int(bitset):
n = 0
for i,bit in enumerate(bitset):
n += (0 if bit=='0' else 1) * 2**i
return n
EmptyHash = hex_to_binary('00'*32)
################################################################################
# BINARY/BASE58 CONVERSIONS
def binary_to_base58(binstr):
"""
This method applies the Bitcoin-specific conversion from binary to Base58
which may includes some extra "zero" bytes, such as is the case with the
main-network addresses.
This method is labeled as outputting an "addrStr", but it's really this
special kind of Base58 converter, which makes it usable for encoding other
data, such as ECDSA keys or scripts.
"""
padding = 0;
for b in binstr:
if b=='\x00':
padding+=1
else:
break
n = 0
for ch in binstr:
n *= 256
n += ord(ch)
b58 = ''
while n > 0:
n, r = divmod (n, 58)
b58 = BASE58CHARS[r] + b58
return '1'*padding + b58
################################################################################
def base58_to_binary(addr):
"""
This method applies the Bitcoin-specific conversion from Base58 to binary
which may includes some extra "zero" bytes, such as is the case with the
main-network addresses.
This method is labeled as inputting an "addrStr", but it's really this
special kind of Base58 converter, which makes it usable for encoding other
data, such as ECDSA keys or scripts.
"""
# Count the zeros ('1' characters) at the beginning
padding = 0;
for c in addr:
if c=='1':
padding+=1
else:
break