Bitcoin Forum

#!/usr/bin/env python

#Python 2.6.6
#[GCC 4.4.5] on linux2


from optparse import OptionParser
import bsddb.db

parser = OptionParser(version='Lis@20110605')
parser.add_option('-t', '--tx',    dest='tx',                                       help='remove tx')
parser.add_option('-s', '--show',  dest='show', default=False, action='store_true', help='print all tx')
parser.add_option('-d', '--dir',   dest='dir',   default='.bitcoin',                help='dir of wallet')
parser.add_option('-f', '--file',  dest='file',  default='wallet.dat',              help='name file wallet')
(options, args) = parser.parse_args()

_DIR_ = options.dir
_FILE_ = options.file
_SHOW_ = options.show
_TX_ = options.tx

if _TX_ and len(_TX_) != 64:
  exit('error: wrong tx flag')
  
if not _TX_:
  _SHOW_ = True

if _TX_:
  writable=True
else:
  writable=False

def revers(data):
  date_revers = ''
  for i in range(-1, -len(data), -2):
    date_revers += data[i-1] + data[i]
  return date_revers

try:
  db_env = bsddb.db.DBEnv(0)
  db_dir = _DIR_
  r = db_env.open(db_dir, (bsddb.db.DB_CREATE|bsddb.db.DB_INIT_LOCK|bsddb.db.DB_INIT_LOG|bsddb.db.DB_INIT_MPOOL|bsddb.db.DB_INIT_TXN|bsddb.db.DB_THREAD|bsddb.db.DB_RECOVER))
  db = bsddb.db.DB(db_env)
  flags = bsddb.db.DB_THREAD | (bsddb.db.DB_CREATE if writable else bsddb.db.DB_RDONLY)
  r = db.open(_FILE_, "main", bsddb.db.DB_BTREE, flags)
except:
  exit ('error: can not find file')

try:
  if _TX_:
    del_key = '027478' + revers(_TX_)
    db.delete(del_key.decode('hex'))
    db.sync()
except:
  exit ('error: can not find tx')

if _SHOW_:
  data = db.items()
  for i in range(len(data)):
    if ord(data[i][0][0]) == 2 and data[i][0][1:ord(data[i][0][0])+1] == 'tx':
      print i, 'http://blockexplorer.com/tx/' + revers(data[i][0][3:].encode('hex'))
      
db.close()