mmgen-wallet/mmgen-walletchk

#!/usr/bin/env python
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C) 2013 by philemon <mmgen-py@yandex.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
mmgen-walletchk: Check integrity of a mmgen deterministic wallet, display
                 information about it and export seed and mnemonic data
"""

import sys
from mmgen.Opts import *

from mmgen.util import *

help_data = {
	'prog_name': sys.argv[0].split("/")[-1],
	'desc':  """Check integrity of a %s deterministic wallet, display
                    its information and export seed and mnemonic data."""\
					% g.proj_name,
	'usage':   "[opts] [filename]",
	'options': """
-h, --help             Print this help message
-d, --outdir        d  Specify an alternate directory 'd' for output
-e, --echo-passphrase  Print passphrase to screen when typing it
-m, --export-mnemonic  Export the wallet's mnemonic to file
-P, --passwd-file   f  Get passphrase from file 'f'
-q, --quiet            Suppress warnings; overwrite files without prompting
-s, --export-seed      Export the wallet's seed to file
-S, --stdout           Print seed or mnemonic data to standard output
-v, --verbose          Produce more verbose output
"""
}

short_opts = "hd:emP:qsSv"
long_opts  = "help","outdir=","echo_passphrase","export_mnemonic",\
				"passwd_file=","quiet","export_seed","stdout","verbose"

opts,cmd_args = process_opts(sys.argv,help_data,short_opts,long_opts)
if 'quiet' in opts: g.quiet = True
if 'verbose' in opts: g.verbose = True

# Argument sanity checks and processing:
check_opts(opts,long_opts)

if len(cmd_args) != 1: usage(help_data)

check_infile(cmd_args[0])

if 'export_mnemonic' in opts:
	qmsg("Exporting mnemonic data to file by user request")
if 'export_seed' in opts:
	qmsg("Exporting seed data to file by user request")

seed = get_seed_from_wallet(cmd_args[0], opts)
if seed: qmsg("Wallet is OK")

if 'export_mnemonic' in opts:
	wl = get_default_wordlist()

	from mmgen.mnemonic import get_mnemonic_from_seed
	p = True if g.debug else False
	mn = get_mnemonic_from_seed(seed, wl, g.default_wl, print_info=p)

	write_mnemonic(mn, seed, opts)

if 'export_seed' in opts:
	write_seed(seed, opts)