mmgen-walletchk 3.8 KB

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  1. #!/usr/bin/env python
  2. #
  3. # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
  4. # Copyright (C) 2013-2014 by philemon <mmgen-py@yandex.com>
  5. #
  6. # This program is free software: you can redistribute it and/or modify
  7. # it under the terms of the GNU General Public License as published by
  8. # the Free Software Foundation, either version 3 of the License, or
  9. # (at your option) any later version.
  10. #
  11. # This program is distributed in the hope that it will be useful,
  12. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. # GNU General Public License for more details.
  15. #
  16. # You should have received a copy of the GNU General Public License
  17. # along with this program. If not, see <http://www.gnu.org/licenses/>.
  18. """
  19. mmgen-walletchk: Check integrity of a mmgen deterministic wallet, display
  20. information about it and export seed and mnemonic data
  21. """
  22. import sys
  23. from mmgen.Opts import *
  24. from mmgen.util import *
  25. help_data = {
  26. 'prog_name': sys.argv[0].split("/")[-1],
  27. 'desc': """Check integrity of an {} deterministic wallet, display
  28. its information, and export seed and mnemonic data.
  29. """.format(g.proj_name),
  30. 'usage': "[opts] [filename]",
  31. 'options': """
  32. -h, --help Print this help message
  33. -d, --outdir= d Specify an alternate directory 'd' for output
  34. -e, --echo-passphrase Print passphrase to screen when typing it
  35. -P, --passwd-file= f Get passphrase from file 'f'
  36. -q, --quiet Suppress warnings; overwrite files without prompting
  37. -S, --stdout Print seed or mnemonic data to standard output
  38. -v, --verbose Produce more verbose output
  39. -g, --export-incog Export wallet to incognito format
  40. -X, --export-incog-hex Export wallet to incognito hexadecimal format
  41. -G, --export-incog-hidden= f,o Hide incognito data in existing file 'f'
  42. at offset 'o' (comma-separated)
  43. -m, --export-mnemonic Export the wallet's mnemonic to file
  44. -s, --export-seed Export the wallet's seed to file
  45. """
  46. }
  47. opts,cmd_args = parse_opts(sys.argv,help_data)
  48. if 'quiet' in opts: g.quiet = True
  49. if 'verbose' in opts: g.verbose = True
  50. if 'export_incog_hidden' in opts or 'export_incog_hex' in opts:
  51. opts['export_incog'] = True
  52. if len(cmd_args) != 1: usage(help_data)
  53. check_infile(cmd_args[0])
  54. if 'export_mnemonic' in opts:
  55. qmsg("Exporting mnemonic data to file by user request")
  56. elif 'export_seed' in opts:
  57. qmsg("Exporting seed data to file by user request")
  58. elif 'export_incog' in opts:
  59. qmsg("Exporting wallet to incognito format by user request")
  60. incog_enc,seed_id,key_id,iv_id,preset = \
  61. wallet_to_incog_data(cmd_args[0],opts)
  62. if "export_incog_hidden" in opts:
  63. export_to_hidden_incog(incog_enc,opts)
  64. else:
  65. seed_len = (len(incog_enc)-g.salt_len-g.aesctr_iv_len)*8
  66. fn = "%s-%s-%s[%s,%s].%s" % (
  67. seed_id, key_id, iv_id, seed_len, preset,
  68. g.incog_hex_ext if "export_incog_hex" in opts else g.incog_ext
  69. )
  70. data = pretty_hexdump(incog_enc,2,8,line_nums=False) \
  71. if "export_incog_hex" in opts else incog_enc
  72. export_to_file(fn, data, "incognito wallet data", opts)
  73. sys.exit()
  74. seed = get_seed_from_wallet(cmd_args[0], opts)
  75. if seed: qmsg("Wallet is OK")
  76. else:
  77. msg("Error opening wallet")
  78. sys.exit(2)
  79. if 'export_mnemonic' in opts:
  80. wl = get_default_wordlist()
  81. from mmgen.mnemonic import get_mnemonic_from_seed
  82. p = True if g.debug else False
  83. mn = get_mnemonic_from_seed(seed, wl, g.default_wl, print_info=p)
  84. fn = "%s.%s" % (make_chksum_8(seed).upper(), g.mn_ext)
  85. export_to_file(fn, " ".join(mn)+"\n", "mnemonic data", opts)
  86. elif 'export_seed' in opts:
  87. from mmgen.bitcoin import b58encode_pad
  88. data = col4(b58encode_pad(seed))
  89. chk = make_chksum_6(b58encode_pad(seed))
  90. fn = "%s.%s" % (make_chksum_8(seed).upper(), g.seed_ext)
  91. export_to_file(fn, "%s %s\n" % (chk,data), "seed data", opts)