mmgen-wallet/test/test.py

#!/usr/bin/env python
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2016 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/>.

"""
test/test.py:  Test suite for the MMGen suite
"""

import sys,os

def run_in_tb():
	fn = sys.argv[0]
	source = open(fn)
	try:
		exec source in {'inside_tb':1}
	except SystemExit:
		pass
	except:
		def color(s): return '\033[36;1m' + s + '\033[0m'
		e = sys.exc_info()
		sys.stdout.write(color('\nTest script returned: %s\n' % (e[0].__name__)))

if not 'inside_tb' in globals() and 'MMGEN_TEST_TRACEBACK' in os.environ:
	run_in_tb()
	sys.exit()

pn = os.path.dirname(sys.argv[0])
os.chdir(os.path.join(pn,os.pardir))
sys.path.__setitem__(0,os.path.abspath(os.curdir))

# Import these _after_ local path's been added to sys.path
from mmgen.common import *
from mmgen.test import *

start_mscolor()

scripts = (
	'addrgen', 'addrimport', 'keygen',
	'passchg', 'tool',
	'txcreate', 'txsend', 'txsign',
	'walletchk', 'walletconv', 'walletgen'
)

tb_cmd         = 'scripts/traceback.py'
hincog_fn      = 'rand_data'
hincog_bytes   = 1024*1024
hincog_offset  = 98765
hincog_seedlen = 256

incog_id_fn  = 'incog_id'
non_mmgen_fn = 'btckey'
pwfile = 'passwd_file'

ref_dir = os.path.join('test','ref')

ref_wallet_brainpass = 'abc'
ref_wallet_hash_preset = '1'
ref_wallet_incog_offset = 123

ref_bw_hash_preset = '1'
ref_bw_file        = 'wallet.mmbrain'
ref_bw_file_spc    = 'wallet-spaced.mmbrain'

ref_kafile_pass        = 'kafile password'
ref_kafile_hash_preset = '1'

ref_enc_fn = 'sample-text.mmenc'
tool_enc_passwd = "Scrypt it, don't hash it!"
sample_text = \
	'The Times 03/Jan/2009 Chancellor on brink of second bailout for banks\n'

cfgs = {
	'1': {
		'tmpdir':        os.path.join('test','tmp1'),
		'wpasswd':       'Dorian',
		'kapasswd':      'Grok the blockchain',
		'addr_idx_list': '12,99,5-10,5,12', # 8 addresses
		'dep_generators':  {
			pwfile:        'walletgen',
			'mmdat':       'walletgen',
			'addrs':       'addrgen',
			'rawtx':         'txcreate',
			'sigtx':         'txsign',
			'mmwords':     'export_mnemonic',
			'mmseed':      'export_seed',
			'mmincog':     'export_incog',
			'mmincox':     'export_incog_hex',
			hincog_fn:     'export_incog_hidden',
			incog_id_fn:   'export_incog_hidden',
			'akeys.mmenc': 'keyaddrgen'
		},
	},
	'2': {
		'tmpdir':        os.path.join('test','tmp2'),
		'wpasswd':       'Hodling away',
		'addr_idx_list': '37,45,3-6,22-23',  # 8 addresses
		'seed_len':      128,
		'dep_generators': {
			'mmdat':       'walletgen2',
			'addrs':       'addrgen2',
			'rawtx':         'txcreate2',
			'sigtx':         'txsign2',
			'mmwords':     'export_mnemonic2',
		},
	},
	'3': {
		'tmpdir':        os.path.join('test','tmp3'),
		'wpasswd':       'Major miner',
		'addr_idx_list': '73,54,1022-1023,2-5', # 8 addresses
		'dep_generators': {
			'mmdat':       'walletgen3',
			'addrs':       'addrgen3',
			'rawtx':         'txcreate3',
			'sigtx':         'txsign3'
		},
	},
	'4': {
		'tmpdir':        os.path.join('test','tmp4'),
		'wpasswd':       'Hashrate good',
		'addr_idx_list': '63,1004,542-544,7-9', # 8 addresses
		'seed_len':      192,
		'dep_generators': {
			'mmdat':       'walletgen4',
			'mmbrain':     'walletgen4',
			'addrs':       'addrgen4',
			'rawtx':       'txcreate4',
			'sigtx':       'txsign4',
		},
		'bw_filename': 'brainwallet.mmbrain',
		'bw_params':   '192,1',
	},
	'14': {
		'kapasswd':      'Maxwell',
		'tmpdir':        os.path.join('test','tmp14'),
		'wpasswd':       'The Halving',
		'addr_idx_list': '61,998,502-504,7-9', # 8 addresses
		'seed_len':      256,
		'dep_generators': {
			'mmdat':       'walletgen14',
			'addrs':       'addrgen14',
			'akeys.mmenc': 'keyaddrgen14',
		},
	},
	'5': {
		'tmpdir':        os.path.join('test','tmp5'),
		'wpasswd':       'My changed password',
		'hash_preset':   '2',
		'dep_generators': {
			'mmdat':       'passchg',
			pwfile:        'passchg',
		},
	},
	'6': {
		'name':            'reference wallet check (128-bit)',
		'seed_len':        128,
		'seed_id':         'FE3C6545',
		'ref_bw_seed_id':  '33F10310',
		'addrfile_chk':    'B230 7526 638F 38CB',
		'keyaddrfile_chk': 'CF83 32FB 8A8B 08E2',
		'wpasswd':         'reference password',
		'ref_wallet':      'FE3C6545-D782B529[128,1].mmdat',
		'ic_wallet':       'FE3C6545-E29303EA-5E229E30[128,1].mmincog',
		'ic_wallet_hex':   'FE3C6545-BC4BE3F2-32586837[128,1].mmincox',

		'hic_wallet':       'FE3C6545-161E495F-BEB7548E[128:1].incog-offset123',
		'hic_wallet_old':   'FE3C6545-161E495F-9860A85B[128:1].incog-old.offset123',

		'tmpdir':        os.path.join('test','tmp6'),
		'kapasswd':      '',
		'addr_idx_list': '1010,500-501,31-33,1,33,500,1011', # 8 addresses
		'dep_generators':  {
			'mmdat':       'refwalletgen1',
			pwfile:       'refwalletgen1',
			'addrs':       'refaddrgen1',
			'akeys.mmenc': 'refkeyaddrgen1'
		},

	},
	'7': {
		'name':            'reference wallet check (192-bit)',
		'seed_len':        192,
		'seed_id':         '1378FC64',
		'ref_bw_seed_id':  'CE918388',
		'addrfile_chk':    '8C17 A5FA 0470 6E89',
		'keyaddrfile_chk': '9648 5132 B98E 3AD9',
		'wpasswd':         'reference password',
		'ref_wallet':      '1378FC64-6F0F9BB4[192,1].mmdat',
		'ic_wallet':       '1378FC64-2907DE97-F980D21F[192,1].mmincog',
		'ic_wallet_hex':   '1378FC64-4DCB5174-872806A7[192,1].mmincox',

		'hic_wallet':       '1378FC64-B55E9958-77256FC1[192:1].incog.offset123',
		'hic_wallet_old':   '1378FC64-B55E9958-D85FF20C[192:1].incog-old.offset123',

		'tmpdir':        os.path.join('test','tmp7'),
		'kapasswd':      '',
		'addr_idx_list': '1010,500-501,31-33,1,33,500,1011', # 8 addresses
		'dep_generators':  {
			'mmdat':       'refwalletgen2',
			pwfile:       'refwalletgen2',
			'addrs':       'refaddrgen2',
			'akeys.mmenc': 'refkeyaddrgen2'
		},

	},
	'8': {
		'name':            'reference wallet check (256-bit)',
		'seed_len':        256,
		'seed_id':         '98831F3A',
		'ref_bw_seed_id':  'B48CD7FC',
		'addrfile_chk':    '6FEF 6FB9 7B13 5D91',
		'keyaddrfile_chk': '9F2D D781 1812 8BAD',
		'wpasswd':         'reference password',
		'ref_wallet':      '98831F3A-27F2BF93[256,1].mmdat',
		'ref_addrfile':    '98831F3A[1,31-33,500-501,1010-1011].addrs',
		'ref_keyaddrfile': '98831F3A[1,31-33,500-501,1010-1011].akeys.mmenc',
		'ref_addrfile_chksum':    '6FEF 6FB9 7B13 5D91',
		'ref_keyaddrfile_chksum': '9F2D D781 1812 8BAD',

#		'ref_fake_unspent_data':'98831F3A_unspent.json',
		'ref_tx_file':     'FFB367[1.234].rawtx',
		'ic_wallet':       '98831F3A-5482381C-18460FB1[256,1].mmincog',
		'ic_wallet_hex':   '98831F3A-1630A9F2-870376A9[256,1].mmincox',

		'hic_wallet':       '98831F3A-F59B07A0-559CEF19[256:1].incog.offset123',
		'hic_wallet_old':   '98831F3A-F59B07A0-848535F3[256:1].incog-old.offset123',

		'tmpdir':        os.path.join('test','tmp8'),
		'kapasswd':      '',
		'addr_idx_list': '1010,500-501,31-33,1,33,500,1011', # 8 addresses
		'dep_generators':  {
			'mmdat':       'refwalletgen3',
			pwfile:       'refwalletgen3',
			'addrs':       'refaddrgen3',
			'akeys.mmenc': 'refkeyaddrgen3'
		},
	},
	'9': {
		'tmpdir':        os.path.join('test','tmp9'),
		'tool_enc_infn':      'tool_encrypt.in',
#		'tool_enc_ref_infn':  'tool_encrypt_ref.in',
		'wpasswd':         'reference password',
		'dep_generators': {
			'tool_encrypt.in':            'tool_encrypt',
			'tool_encrypt.in.mmenc':      'tool_encrypt',
#			'tool_encrypt_ref.in':        'tool_encrypt_ref',
#			'tool_encrypt_ref.in.mmenc':  'tool_encrypt_ref',
		},
	},
}

from copy import deepcopy
for a,b in ('6','11'),('7','12'),('8','13'):
	cfgs[b] = deepcopy(cfgs[a])
	cfgs[b]['tmpdir'] = os.path.join('test','tmp'+b)

from collections import OrderedDict

cmd_group = OrderedDict()

cmd_group['help'] = OrderedDict([
#     test               description                  depends
	['helpscreens',     (1,'help screens',             [],1)],
])

cmd_group['main'] = OrderedDict([
	['walletgen',       (1,'wallet generation',        [[[],1]],1)],
#	['walletchk',       (1,'wallet check',             [[['mmdat'],1]])],
	['passchg',         (5,'password, label and hash preset change',[[['mmdat',pwfile],1]],1)],
	['walletchk_newpass',(5,'wallet check with new pw, label and hash preset',[[['mmdat',pwfile],5]],1)],
	['addrgen',         (1,'address generation',       [[['mmdat',pwfile],1]],1)],
	['addrimport',      (1,'address import',           [[['addrs'],1]],1)],
	['txcreate',        (1,'transaction creation',     [[['addrs'],1]],1)],
	['txsign',          (1,'transaction signing',      [[['mmdat','rawtx',pwfile],1]],1)],
	['txsend',          (1,'transaction sending',      [[['sigtx'],1]])],

	['export_seed',     (1,'seed export to mmseed format',   [[['mmdat'],1]])],
	['export_mnemonic', (1,'seed export to mmwords format',  [[['mmdat'],1]])],
	['export_incog',    (1,'seed export to mmincog format',  [[['mmdat'],1]])],
	['export_incog_hex',(1,'seed export to mmincog hex format', [[['mmdat'],1]])],
	['export_incog_hidden',(1,'seed export to hidden mmincog format', [[['mmdat'],1]])],

	['addrgen_seed',    (1,'address generation from mmseed file', [[['mmseed','addrs'],1]])],
	['addrgen_mnemonic',(1,'address generation from mmwords file',[[['mmwords','addrs'],1]])],
	['addrgen_incog',   (1,'address generation from mmincog file',[[['mmincog','addrs'],1]])],
	['addrgen_incog_hex',(1,'address generation from mmincog hex file',[[['mmincox','addrs'],1]])],
	['addrgen_incog_hidden',(1,'address generation from hidden mmincog file', [[[hincog_fn,'addrs'],1]])],

	['keyaddrgen',    (1,'key-address file generation', [[['mmdat',pwfile],1]])],
	['txsign_keyaddr',(1,'transaction signing with key-address file', [[['akeys.mmenc','rawtx'],1]])],

	['walletgen2',(2,'wallet generation (2), 128-bit seed',     [])],
	['addrgen2',  (2,'address generation (2)',    [[['mmdat'],2]])],
	['txcreate2', (2,'transaction creation (2)',  [[['addrs'],2]])],
	['txsign2',   (2,'transaction signing, two transactions',[[['mmdat','rawtx'],1],[['mmdat','rawtx'],2]])],
	['export_mnemonic2', (2,'seed export to mmwords format (2)',[[['mmdat'],2]])],

	['walletgen3',(3,'wallet generation (3)',                  [])],
	['addrgen3',  (3,'address generation (3)',                 [[['mmdat'],3]])],
	['txcreate3', (3,'tx creation with inputs and outputs from two wallets', [[['addrs'],1],[['addrs'],3]])],
	['txsign3',   (3,'tx signing with inputs and outputs from two wallets',[[['mmdat'],1],[['mmdat','rawtx'],3]])],

	['walletgen14', (14,'wallet generation (14)',        [[[],14]],14)],
	['addrgen14',   (14,'address generation (14)',        [[['mmdat'],14]])],
	['keyaddrgen14',(14,'key-address file generation (14)', [[['mmdat'],14]],14)],
	['walletgen4',(4,'wallet generation (4) (brainwallet)',    [])],
	['addrgen4',  (4,'address generation (4)',                 [[['mmdat'],4]])],
	['txcreate4', (4,'tx creation with inputs and outputs from four seed sources, key-address file and non-MMGen inputs and outputs', [[['addrs'],1],[['addrs'],2],[['addrs'],3],[['addrs'],4],[['addrs','akeys.mmenc'],14]])],
	['txsign4',   (4,'tx signing with inputs and outputs from incog file, mnemonic file, wallet, brainwallet, key-address file and non-MMGen inputs and outputs', [[['mmincog'],1],[['mmwords'],2],[['mmdat'],3],[['mmbrain','rawtx'],4],[['akeys.mmenc'],14]])],
])

cmd_group['tool'] = OrderedDict([
	['tool_encrypt',     (9,"'mmgen-tool encrypt' (random data)",     [],1)],
	['tool_decrypt',     (9,"'mmgen-tool decrypt' (random data)", [[[cfgs['9']['tool_enc_infn'],cfgs['9']['tool_enc_infn']+'.mmenc'],9]],1)],
#	['tool_encrypt_ref', (9,"'mmgen-tool encrypt' (reference text)",  [])],
	['tool_find_incog_data', (9,"'mmgen-tool find_incog_data'", [[[hincog_fn],1],[[incog_id_fn],1]])],
#	['pywallet', (9,"'mmgen-pywallet'", [],1)],
])

# saved reference data
cmd_group['ref'] = (
	# reading
	('ref_wallet_chk', ([],'saved reference wallet')),
	('ref_seed_chk',   ([],'saved seed file')),
	('ref_mn_chk',     ([],'saved mnemonic file')),
	('ref_hincog_chk', ([],'saved hidden incog reference wallet')),
	('ref_brain_chk',  ([],'saved brainwallet')),
	# generating new reference ('abc' brainwallet) files:
	('refwalletgen',   ([],'gen new refwallet')),
	('refaddrgen',     (['mmdat',pwfile],'new refwallet addr chksum')),
	('refkeyaddrgen',  (['mmdat',pwfile],'new refwallet key-addr chksum'))
)

# misc. saved reference data
cmd_group['ref_other'] = (
	('ref_addrfile_chk',   'saved reference address file'),
	('ref_keyaddrfile_chk','saved reference key-address file'),
#	Create the fake inputs:
#	('txcreate8',          'transaction creation (8)'),
	('ref_tx_chk',         'saved reference tx file'),
	('ref_brain_chk_spc3', 'saved brainwallet (non-standard spacing)'),
	('ref_tool_decrypt',   'decryption of saved MMGen-encrypted file'),
)

# mmgen-walletconv:
cmd_group['conv_in'] = ( # reading
	('ref_wallet_conv',    'conversion of saved reference wallet'),
	('ref_mn_conv',        'conversion of saved mnemonic'),
	('ref_seed_conv',      'conversion of saved seed file'),
	('ref_brain_conv',     'conversion of ref brainwallet'),
	('ref_incog_conv',     'conversion of saved incog wallet'),
	('ref_incox_conv',     'conversion of saved hex incog wallet'),
	('ref_hincog_conv',    'conversion of saved hidden incog wallet'),
	('ref_hincog_conv_old','conversion of saved hidden incog wallet (old format)')
)

cmd_group['conv_out'] = ( # writing
	('ref_wallet_conv_out', 'ref seed conversion to wallet'),
	('ref_mn_conv_out',     'ref seed conversion to mnemonic'),
	('ref_seed_conv_out',   'ref seed conversion to seed'),
	('ref_incog_conv_out',  'ref seed conversion to incog data'),
	('ref_incox_conv_out',  'ref seed conversion to hex incog data'),
	('ref_hincog_conv_out', 'ref seed conversion to hidden incog data')
)

cmd_list = OrderedDict()
for k in cmd_group: cmd_list[k] = []

cmd_data = OrderedDict()
for k,v in (
		('help', ('help screens',[])),
		('main', ('basic operations',[1,2,3,4,5])),
		('tool', ('tools',[9]))
	):
	cmd_data['info_'+k] = v
	for i in cmd_group[k]:
		cmd_list[k].append(i)
		cmd_data[i] = cmd_group[k][i]

cmd_data['info_ref'] = 'reference data',[6,7,8]
for a,b in cmd_group['ref']:
	for i,j in (1,128),(2,192),(3,256):
		k = a+str(i)
		cmd_list['ref'].append(k)
		cmd_data[k] = (5+i,'%s (%s-bit)' % (b[1],j),[[b[0],5+i]],1)

cmd_data['info_ref_other'] = 'other reference data',[8]
for a,b in cmd_group['ref_other']:
	cmd_list['ref_other'].append(a)
	cmd_data[a] = (8,b,[[[],8]],1)

cmd_data['info_conv_in'] = 'wallet conversion from reference data',[11,12,13]
for a,b in cmd_group['conv_in']:
	for i,j in (1,128),(2,192),(3,256):
		k = a+str(i)
		cmd_list['conv_in'].append(k)
		cmd_data[k] = (10+i,'%s (%s-bit)' % (b,j),[[[],10+i]],1)

cmd_data['info_conv_out'] = 'wallet conversion to reference data',[11,12,13]
for a,b in cmd_group['conv_out']:
	for i,j in (1,128),(2,192),(3,256):
		k = a+str(i)
		cmd_list['conv_out'].append(k)
		cmd_data[k] = (10+i,'%s (%s-bit)' % (b,j),[[[],10+i]],1)

utils = {
	'check_deps': 'check dependencies for specified command',
	'clean':      'clean specified tmp dir(s) 1,2,3,4,5 or 6 (no arg = all dirs)',
}

addrs_per_wallet = 8

# total of two outputs must be < 10 BTC
for k in cfgs:
	cfgs[k]['amts'] = [0,0]
	for idx,mod in (0,6),(1,4):
		cfgs[k]['amts'][idx] = '%s.%s' % ((getrandnum(2) % mod), str(getrandnum(4))[:5])

meta_cmds = OrderedDict([
	['ref1', ('refwalletgen1','refaddrgen1','refkeyaddrgen1')],
	['ref2', ('refwalletgen2','refaddrgen2','refkeyaddrgen2')],
	['ref3', ('refwalletgen3','refaddrgen3','refkeyaddrgen3')],
	['gen',  ('walletgen','addrgen')],
	['pass', ('passchg','walletchk_newpass')],
	['tx',   ('addrimport','txcreate','txsign','txsend')],
	['export', [k for k in cmd_data if k[:7] == 'export_' and cmd_data[k][0] == 1]],
	['gen_sp', [k for k in cmd_data if k[:8] == 'addrgen_' and cmd_data[k][0] == 1]],
	['online', ('keyaddrgen','txsign_keyaddr')],
	['2', [k for k in cmd_data if cmd_data[k][0] == 2]],
	['3', [k for k in cmd_data if cmd_data[k][0] == 3]],
	['4', [k for k in cmd_data if cmd_data[k][0] == 4]],

	['saved_ref1', [c[0]+'1' for c in cmd_group['ref']]],
	['saved_ref2', [c[0]+'2' for c in cmd_group['ref']]],
	['saved_ref3', [c[0]+'3' for c in cmd_group['ref']]],

	['saved_ref_other', [c[0] for c in cmd_group['ref_other']]],

	['saved_ref_conv_in1', [c[0]+'1' for c in cmd_group['conv_in']]],
	['saved_ref_conv_in2', [c[0]+'2' for c in cmd_group['conv_in']]],
	['saved_ref_conv_in3', [c[0]+'3' for c in cmd_group['conv_in']]],

	['saved_ref_conv_out1', [c[0]+'1' for c in cmd_group['conv_out']]],
	['saved_ref_conv_out2', [c[0]+'2' for c in cmd_group['conv_out']]],
	['saved_ref_conv_out3', [c[0]+'3' for c in cmd_group['conv_out']]],
])

del cmd_group
log_file = 'test.py_log'

opts_data = {
#	'sets': [('non_interactive',bool,'verbose',None)],
	'desc': 'Test suite for the MMGen suite',
	'usage':'[options] [command(s) or metacommand(s)]',
	'options': """
-h, --help          Print this help message.
-b, --buf-keypress  Use buffered keypresses as with real human input.
-d, --debug-scripts Turn on debugging output in executed scripts.
-D, --direct-exec   Bypass pexpect and execute a command directly (for
                    debugging only).
-e, --exact-output  Show the exact output of the MMGen script(s) being run.
-l, --list-cmds     List and describe the commands in the test suite.
-L, --log           Log commands to file {lf}
-n, --names         Display command names instead of descriptions.
-I, --non-interactive Non-interactive operation (MS Windows mode)
-p, --pause         Pause between tests, resuming on keypress.
-q, --quiet         Produce minimal output.  Suppress dependency info.
-r, --resume=c      Resume at command 'c' after interrupted run
-s, --system        Test scripts and modules installed on system rather
                    than those in the repo root.
-S, --skip-deps     Skip dependency checking for command
-t, --traceback     Run the command inside the '{tb_cmd}' script.
-v, --verbose       Produce more verbose output.
""".format(tb_cmd=tb_cmd,lf=log_file),
	'notes': """

If no command is given, the whole suite of tests is run.
"""
}

cmd_args = opts.init(opts_data)

if opt.resume: opt.skip_deps = True
if opt.log:
	log_fd = open(log_file,'a')
	log_fd.write('\nLog started: %s\n' % make_timestr())

if opt.system: sys.path.pop(0)
ni = bool(opt.non_interactive)

# Disable MS color in spawned scripts due to bad interactions
os.environ['MMGEN_NOMSCOLOR'] = '1'
os.environ['MMGEN_NOLICENSE'] = '1'
os.environ['MMGEN_DISABLE_COLOR'] = '1'
os.environ['MMGEN_MIN_URANDCHARS'] = '3'

if opt.debug_scripts: os.environ['MMGEN_DEBUG'] = '1'

if opt.buf_keypress:
	send_delay = 0.3
else:
	send_delay = 0
	os.environ['MMGEN_DISABLE_HOLD_PROTECT'] = '1'

if opt.exact_output:
	def msg(s): pass
	vmsg = vmsg_r = msg_r = msg
else:
	def msg(s): sys.stderr.write(s+'\n')
	def vmsg(s):
		if opt.verbose: sys.stderr.write(s+'\n')
	def msg_r(s): sys.stderr.write(s)
	def vmsg_r(s):
		if opt.verbose: sys.stderr.write(s)

stderr_save = sys.stderr

def silence():
	if not (opt.verbose or opt.exact_output):
		f = ('/dev/null','stderr.out')[sys.platform[:3]=='win']
		sys.stderr = open(f,'a')

def end_silence():
	if not (opt.verbose or opt.exact_output):
		sys.stderr = stderr_save

def errmsg(s): stderr_save.write(s+'\n')
def errmsg_r(s): stderr_save.write(s)

if opt.list_cmds:
	fs = '  {:<{w}} - {}'
	Msg(green('AVAILABLE COMMANDS:'))
	w = max([len(i) for i in cmd_data])
	for cmd in cmd_data:
		if cmd[:5] == 'info_':
			m = capfirst(cmd_data[cmd][0])
			msg(green('  %s:' % m))
			continue
		Msg('  '+fs.format(cmd,cmd_data[cmd][1],w=w))

	w = max([len(i) for i in meta_cmds])
	Msg(green('\nAVAILABLE METACOMMANDS:'))
	for cmd in meta_cmds:
		Msg(fs.format(cmd,' '.join(meta_cmds[cmd]),w=w))

	w = max([len(i) for i in cmd_list])
	Msg(green('\nAVAILABLE COMMAND GROUPS:'))
	for g in cmd_list:
		Msg(fs.format(g,' '.join(cmd_list[g]),w=w))

	Msg(green('\nAVAILABLE UTILITIES:'))
	w = max([len(i) for i in utils])
	for cmd in sorted(utils):
		Msg(fs.format(cmd,utils[cmd],w=w))
	sys.exit()

import time,re
try:
	import pexpect
except: # Windows
	m1 = green('MS Windows detected (or missing pexpect module).  Skipping some tests.\n')
	m2 = green('Interactive mode.  User prompts will be ')
	m3 = grnbg('HIGHLIGHTED IN GREEN')
	m4 = green('.\nContinue?')
	ni = True
	if not keypress_confirm(m1+m2+m3+m4,default_yes=True):
		errmsg('Exiting at user request')
		sys.exit()


def my_send(p,t,delay=send_delay,s=False):
	if delay: time.sleep(delay)
	ret = p.send(t) # returns num bytes written
	if delay: time.sleep(delay)
	if opt.verbose:
		ls = (' ','')[bool(opt.debug or not s)]
		es = ('  ','')[bool(s)]
		msg('%sSEND %s%s' % (ls,es,yellow("'%s'"%t.replace('\n',r'\n'))))
	return ret

def my_expect(p,s,t='',delay=send_delay,regex=False,nonl=False):
	quo = ('',"'")[type(s) == str]

	if opt.verbose: msg_r('EXPECT %s' % yellow(quo+str(s)+quo))
	else:       msg_r('+')

	try:
		if s == '': ret = 0
		else:
			f = (p.expect_exact,p.expect)[bool(regex)]
			ret = f(s,timeout=60)
	except pexpect.TIMEOUT:
		errmsg(red('\nERROR.  Expect %s%s%s timed out.  Exiting' % (quo,s,quo)))
		sys.exit(1)

	if opt.debug or (opt.verbose and type(s) != str): msg_r(' ==> %s ' % ret)

	if ret == -1:
		errmsg('Error.  Expect returned %s' % ret)
		sys.exit(1)
	else:
		if t == '':
			if not nonl: vmsg('')
		else:
			my_send(p,t,delay,s)
		return ret

def get_file_with_ext(ext,mydir,delete=True,no_dot=False):

	dot = ('.','')[bool(no_dot)]
	flist = [os.path.join(mydir,f) for f in os.listdir(mydir)
				if f == ext or f[-len(dot+ext):] == dot+ext]

	if not flist: return False

	if len(flist) > 1:
		if delete:
			if not opt.quiet:
				msg("Multiple *.%s files in '%s' - deleting" % (ext,mydir))
			for f in flist: os.unlink(f)
		return False
	else:
		return flist[0]

def find_generated_exts(cmd):
	out = []
	for k in cfgs:
		for ext,prog in cfgs[k]['dep_generators'].items():
			if prog == cmd:
				out.append((ext,cfgs[k]['tmpdir']))
	return out

def get_addrfile_checksum(display=False):
	addrfile = get_file_with_ext('addrs',cfg['tmpdir'])
	silence()
	from mmgen.addr import AddrList
	chk = AddrList(addrfile).chksum
	if opt.verbose and display: msg('Checksum: %s' % cyan(chk))
	end_silence()
	return chk

def verify_checksum_or_exit(checksum,chk):
	if checksum != chk:
		errmsg(red('Checksum error: %s' % chk))
		sys.exit(1)
	vmsg(green('Checksums match: %s') % (cyan(chk)))


class MMGenExpect(object):

	def __init__(self,name,mmgen_cmd,cmd_args=[],extra_desc='',no_output=False):
		if not opt.system:
			mmgen_cmd = os.path.join(os.curdir,mmgen_cmd)
		desc = (cmd_data[name][1],name)[bool(opt.names)]
		if extra_desc: desc += ' ' + extra_desc
		for i in cmd_args:
			if type(i) not in (str,unicode):
				fs = 'Error: missing input files in cmd line?:\nName: {}\nCmd: {}\nCmd args: {}'
				die(2,fs.format(name,mmgen_cmd,cmd_args))
		cmd_str = mmgen_cmd + ' ' + ' '.join(cmd_args)
		if opt.log:
			log_fd.write(cmd_str+'\n')
		if opt.verbose or opt.exact_output:
			sys.stderr.write(green('Testing: %s\nExecuting %s\n' % (desc,cyan(cmd_str))))
		else:
			m = 'Testing %s: ' % desc
			msg_r((m,yellow(m))[ni])

		if opt.direct_exec or ni:
			msg('')
			from subprocess import call,check_output
			f = (call,check_output)[bool(no_output)]
			ret = f(['python', mmgen_cmd] + cmd_args)
			if f == call and ret != 0:
				m = 'Warning: process returned a non-zero exit status (%s)'
				msg(red(m % ret))
		else:
			if opt.traceback:
				cmd_args = [mmgen_cmd] + cmd_args
				mmgen_cmd = tb_cmd
			self.p = pexpect.spawn(mmgen_cmd,cmd_args)
			if opt.exact_output: self.p.logfile = sys.stdout

	def license(self):
		if 'MMGEN_NOLICENSE' in os.environ: return
		p = "'w' for conditions and warranty info, or 'c' to continue: "
		my_expect(self.p,p,'c')

	def label(self,label='Test Label'):
		p = 'Enter a wallet label, or hit ENTER for no label: '
		my_expect(self.p,p,label+'\n')

	def usr_rand_out(self,saved=False):
		m = '%suser-supplied entropy' % (('','saved ')[saved])
		my_expect(self.p,'Generating encryption key from OS random data plus ' + m)

	def usr_rand(self,num_chars):
		rand_chars = list(getrandstr(num_chars,no_space=True))
		my_expect(self.p,'symbols left: ','x')
		try:
			vmsg_r('SEND ')
			while self.p.expect('left: ',0.1) == 0:
				ch = rand_chars.pop(0)
				msg_r(yellow(ch)+' ' if opt.verbose else '+')
				self.p.send(ch)
		except:
			vmsg('EOT')
		my_expect(self.p,'ENTER to continue: ','\n')

	def passphrase_new(self,desc,passphrase):
		my_expect(self.p,('Enter passphrase for %s: ' % desc), passphrase+'\n')
		my_expect(self.p,'Repeat passphrase: ', passphrase+'\n')

	def passphrase(self,desc,passphrase,pwtype=''):
		if pwtype: pwtype += ' '
		my_expect(self.p,('Enter %spassphrase for %s.*?: ' % (pwtype,desc)),
				passphrase+'\n',regex=True)

	def hash_preset(self,desc,preset=''):
		my_expect(self.p,('Enter hash preset for %s' % desc))
		my_expect(self.p,('or hit ENTER .*?:'), str(preset)+'\n',regex=True)

	def written_to_file(self,desc,overwrite_unlikely=False,query='Overwrite?  ',oo=False):
		s1 = '%s written to file ' % desc
		s2 = query + "Type uppercase 'YES' to confirm: "
		ret = my_expect(self.p,([s1,s2],s1)[overwrite_unlikely])
		if ret == 1:
			my_send(self.p,'YES\n')
#			if oo:
			outfile = self.expect_getend("Overwriting file '").rstrip("'")
			return outfile
# 			else:
# 				ret = my_expect(self.p,s1)
		outfile = self.p.readline().strip().strip("'")
		vmsg('%s file: %s' % (desc,cyan(outfile.replace("'",''))))
		return outfile

	def no_overwrite(self):
		self.expect("Overwrite?  Type uppercase 'YES' to confirm: ",'\n')
		self.expect('Exiting at user request')

	def tx_view(self):
		my_expect(self.p,r'View .*?transaction.*? \(y\)es, \(N\)o, pager \(v\)iew.*?: ','\n',regex=True)

	def expect_getend(self,s,regex=False):
		ret = self.expect(s,regex=regex,nonl=True)
		end = self.readline().strip()
		vmsg(' ==> %s' % cyan(end))
		return end

	def interactive(self):
		return self.p.interact()

	def logfile(self,arg):
		self.p.logfile = arg

	def expect(self,*args,**kwargs):
		return my_expect(self.p,*args,**kwargs)

	def send(self,*args,**kwargs):
		return my_send(self.p,*args,**kwargs)

	def readline(self):
		return self.p.readline()

	def close(self):
		return self.p.close()

	def readlines(self):
		return [l.rstrip()+'\n' for l in self.p.readlines()]

	def read(self,n=None):
		return self.p.read(n)

from mmgen.obj import BTCAmt
from mmgen.bitcoin import verify_addr

def create_fake_unspent_entry(address,sid=None,idx=None,lbl=None,non_mmgen=None):
	if lbl: lbl = ' ' + lbl
	return {
		'account': (non_mmgen or ('%s:%s%s' % (sid,idx,lbl))).decode('utf8'),
		'vout': int(getrandnum(4) % 8),
		'txid': hexlify(os.urandom(32)).decode('utf8'),
		'amount': BTCAmt('%s.%s' % (10+(getrandnum(4) % 40), getrandnum(4) % 100000000)),
		'address': address,
		'spendable': False,
		'scriptPubKey': ('76a914'+verify_addr(address,return_hex=True)+'88ac'),
		'confirmations': getrandnum(4) % 50000
	}

labels = [
	"Automotive",
	"Travel expenses",
	"Healthcare",
	"Freelancing 1",
	"Freelancing 2",
	"Alice's assets",
	"Bob's bequest",
	"House purchase",
	"Real estate fund",
	"Job 1",
	"XYZ Corp.",
	"Eddie's endowment",
	"Emergency fund",
	"Real estate fund",
	"Ian's inheritance",
	"",
	"Rainy day",
	"Fred's funds",
	"Job 2",
	"Carl's capital",
]
label_iter = None
def create_fake_unspent_data(adata,unspent_data_file,tx_data,non_mmgen_input=''):

	out = []
	for s in tx_data:
		sid = tx_data[s]['sid']
		a = adata.addrlist(sid)
		for n,(idx,btcaddr) in enumerate(a.addrpairs(),1):
			while True:
				try: lbl = next(label_iter)
				except: label_iter = iter(labels)
				else: break
			out.append(create_fake_unspent_entry(btcaddr,sid,idx,lbl))
			if n == 1:  # create a duplicate address. This means addrs_per_wallet += 1
				out.append(create_fake_unspent_entry(btcaddr,sid,idx,lbl))

	if non_mmgen_input:
		from mmgen.bitcoin import privnum2addr,hextowif
		privnum = getrandnum(32)
		btcaddr = privnum2addr(privnum,compressed=True)
		of = os.path.join(cfgs[non_mmgen_input]['tmpdir'],non_mmgen_fn)
		write_data_to_file(of, hextowif('{:064x}'.format(privnum),
					compressed=True)+'\n','compressed bitcoin key',silent=True)

		out.append(create_fake_unspent_entry(btcaddr,non_mmgen='Non-MMGen address'))

#	msg('\n'.join([repr(o) for o in out])); sys.exit()
	write_data_to_file(unspent_data_file,repr(out),'Unspent outputs',silent=True)


def add_comments_to_addr_file(addrfile,outfile):
	silence()
	msg(green("Adding comments to address file '%s'" % addrfile))
	from mmgen.addr import AddrList
	a = AddrList(addrfile)
	for n,idx in enumerate(a.idxs(),1):
		if n % 2: a.set_comment(idx,'Test address %s' % n)
	a.format(enable_comments=True)
	write_data_to_file(outfile,a.fmt_data,silent=True)
	end_silence()

def make_brainwallet_file(fn):
	# Print random words with random whitespace in between
	from mmgen.mn_tirosh import words
	wl = words.split()
	nwords,ws_list,max_spaces = 10,'    \n',5
	def rand_ws_seq():
		nchars = getrandnum(1) % max_spaces + 1
		return ''.join([ws_list[getrandnum(1)%len(ws_list)] for i in range(nchars)])
	rand_pairs = [wl[getrandnum(4) % len(wl)] + rand_ws_seq() for i in range(nwords)]
	d = ''.join(rand_pairs).rstrip() + '\n'
	if opt.verbose: msg_r('Brainwallet password:\n%s' % cyan(d))
	write_data_to_file(fn,d,'brainwallet password',silent=True)

def do_between():
	if opt.pause:
		if keypress_confirm(green('Continue?'),default_yes=True):
			if opt.verbose or opt.exact_output: sys.stderr.write('\n')
		else:
			errmsg('Exiting at user request')
			sys.exit()
	elif opt.verbose or opt.exact_output:
		sys.stderr.write('\n')


rebuild_list = OrderedDict()

def check_needs_rerun(
		ts,
		cmd,
		build=False,
		root=True,
		force_delete=False,
		dpy=False
	):

	rerun = (False,True)[root] # force_delete is not passed to recursive call

	fns = []
	if force_delete or not root:
		# does cmd produce a needed dependency(ies)?
		ret = ts.get_num_exts_for_cmd(cmd,dpy)
		if ret:
			for ext in ret[1]:
				fn = get_file_with_ext(ext,cfgs[ret[0]]['tmpdir'],delete=build)
				if fn:
					if force_delete: os.unlink(fn)
					else: fns.append(fn)
				else: rerun = True

	fdeps = ts.generate_file_deps(cmd)
	cdeps = ts.generate_cmd_deps(fdeps)

	for fn in fns:
		my_age = os.stat(fn).st_mtime
		for num,ext in fdeps:
			f = get_file_with_ext(ext,cfgs[num]['tmpdir'],delete=build)
			if f and os.stat(f).st_mtime > my_age: rerun = True

	for cdep in cdeps:
		if check_needs_rerun(ts,cdep,build=build,root=False,dpy=cmd): rerun = True

	if build:
		if rerun:
			for fn in fns:
				if not root: os.unlink(fn)
			if not (dpy and opt.skip_deps):
				ts.do_cmd(cmd)
			if not root: do_between()
	else:
		# If prog produces multiple files:
		if cmd not in rebuild_list or rerun == True:
			rebuild_list[cmd] = (rerun,fns[0] if fns else '') # FIX

	return rerun

def refcheck(desc,chk,refchk):
	vmsg("Comparing %s '%s' to stored reference" % (desc,chk))
	if chk == refchk:
		ok()
	else:
		if not opt.verbose: errmsg('')
		errmsg(red("""
Fatal error - %s '%s' does not match reference value '%s'.  Aborting test
""".strip() % (desc,chk,refchk)))
		sys.exit(3)

def check_deps(cmds):
	if len(cmds) != 1:
		die(1,'Usage: %s check_deps <command>' % g.prog_name)

	cmd = cmds[0]

	if cmd not in cmd_data:
		die(1,"'%s': unrecognized command" % cmd)

	if not opt.quiet:
		msg("Checking dependencies for '%s'" % (cmd))

	check_needs_rerun(ts,cmd,build=False)

	w = max(len(i) for i in rebuild_list) + 1
	for cmd in rebuild_list:
		c = rebuild_list[cmd]
		m = 'Rebuild' if (c[0] and c[1]) else 'Build' if c[0] else 'OK'
		msg('cmd {:<{w}} {}'.format(cmd+':', m, w=w))
#			mmsg(cmd,c)


def clean(usr_dirs=[]):
	if opt.skip_deps: return
	all_dirs = MMGenTestSuite().list_tmp_dirs()
	dirs = (usr_dirs or all_dirs)
	for d in sorted(dirs):
		if str(d) in all_dirs:
			cleandir(all_dirs[str(d)])
		else:
			die(1,'%s: invalid directory number' % d)

class MMGenTestSuite(object):

	def __init__(self):
		pass

	def list_tmp_dirs(self):
		d = {}
		for k in cfgs: d[k] = cfgs[k]['tmpdir']
		return d

	def get_num_exts_for_cmd(self,cmd,dpy=False): # dpy ignored here
		num = str(cmd_data[cmd][0])
		dgl = cfgs[num]['dep_generators']
#	mmsg(num,cmd,dgl)
		if cmd in dgl.values():
			exts = [k for k in dgl if dgl[k] == cmd]
			return (num,exts)
		else:
			return None

	def do_cmd(self,cmd):

		if ni and (len(cmd_data[cmd]) < 4 or cmd_data[cmd][3] != 1): return

		# delete files produced by this cmd
# 		for ext,tmpdir in find_generated_exts(cmd):
# 			print cmd, get_file_with_ext(ext,tmpdir)

		d = [(str(num),ext) for exts,num in cmd_data[cmd][2] for ext in exts]

		# delete files depended on by this cmd
		al = [get_file_with_ext(ext,cfgs[num]['tmpdir']) for num,ext in d]

		global cfg
		cfg = cfgs[str(cmd_data[cmd][0])]

		if opt.resume:
			if cmd == opt.resume:
				msg(yellow("Resuming at '%s'" % cmd))
				opt.resume = False
				opt.skip_deps = False
			else:
				return

		self.__class__.__dict__[cmd](*([self,cmd] + al))

	def generate_file_deps(self,cmd):
		return [(str(n),e) for exts,n in cmd_data[cmd][2] for e in exts]

	def generate_cmd_deps(self,fdeps):
		return [cfgs[str(n)]['dep_generators'][ext] for n,ext in fdeps]

	def helpscreens(self,name):
		for s in scripts:
			t = MMGenExpect(name,('mmgen-'+s),['--help'],
				extra_desc='(mmgen-%s)'%s,no_output=True)
			if not ni:
				t.read(); ok()

	def walletgen(self,name,seed_len=None):
		write_to_tmpfile(cfg,pwfile,cfg['wpasswd']+'\n')
		add_args = (['-r5'],
			['-q','-r0','-L','NI Wallet','-P',get_tmpfile_fn(cfg,pwfile)])[bool(ni)]
		args = ['-d',cfg['tmpdir'],'-p1']
		if seed_len: args += ['-l',str(seed_len)]
		t = MMGenExpect(name,'mmgen-walletgen', args + add_args)
		if ni: return
		t.license()
		t.usr_rand(10)
		t.passphrase_new('new MMGen wallet',cfg['wpasswd'])
		t.label()
		t.written_to_file('MMGen wallet')
		ok()

	def brainwalletgen_ref(self,name):
		sl_arg = '-l%s' % cfg['seed_len']
		hp_arg = '-p%s' % ref_wallet_hash_preset
		label = "test.py ref. wallet (pw '%s', seed len %s)" \
				% (ref_wallet_brainpass,cfg['seed_len'])
		bf = 'ref.mmbrain'
		args = ['-d',cfg['tmpdir'],hp_arg,sl_arg,'-ib','-L',label]
		write_to_tmpfile(cfg,bf,ref_wallet_brainpass)
		write_to_tmpfile(cfg,pwfile,cfg['wpasswd'])
		if ni:
			add_args = ['-r0', '-q', '-P%s' % get_tmpfile_fn(cfg,pwfile),
							get_tmpfile_fn(cfg,bf)]
		else:
			add_args = ['-r5']
		t = MMGenExpect(name,'mmgen-walletconv', args + add_args)
		if ni: return
		t.license()
		t.expect('Enter brainwallet: ', ref_wallet_brainpass+'\n')
		t.passphrase_new('new MMGen wallet',cfg['wpasswd'])
		t.usr_rand(10)
		sid = t.written_to_file('MMGen wallet').split('-')[0].split('/')[-1]
		refcheck('Seed ID',sid,cfg['seed_id'])

	def refwalletgen(self,name): self.brainwalletgen_ref(name)

	def passchg(self,name,wf,pf):
		# ni: reuse password, since there's no way to change it non-interactively
		silence()
		write_to_tmpfile(cfg,pwfile,get_data_from_file(pf))
		end_silence()
		add_args = (['-r16'],['-q','-r0','-P',pf])[bool(ni)]
		t = MMGenExpect(name,'mmgen-passchg', add_args +
				['-d',cfg['tmpdir'],'-p','2','-L','New Label',wf])
		if ni: return
		t.license()
		t.passphrase('MMGen wallet',cfgs['1']['wpasswd'],pwtype='old')
		t.expect_getend('Hash preset changed to ')
		t.passphrase('MMGen wallet',cfg['wpasswd'],pwtype='new')
		t.expect('Repeat passphrase: ',cfg['wpasswd']+'\n')
		t.usr_rand(16)
		t.expect_getend('Label changed to ')
#		t.expect_getend('Key ID changed: ')
		t.written_to_file('MMGen wallet')
		ok()

	def walletchk(self,name,wf,pf,desc='MMGen wallet',
			add_args=[],sid=None,pw=False,extra_desc=''):
		args = ([],['-P',pf,'-q'])[bool(ni and pf)]
		hp = cfg['hash_preset'] if 'hash_preset' in cfg else '1'
		wf_arg = ([],[wf])[bool(wf)]
		t = MMGenExpect(name,'mmgen-walletchk',
				add_args+args+['-p',hp]+wf_arg,
				extra_desc=extra_desc)
		if ni:
			if sid:
				n = (' should be','')[desc=='MMGen wallet']
				m = grnbg('Seed ID%s:' % n)
				msg(grnbg('%s %s' % (m,cyan(sid))))
			return
		if desc != 'hidden incognito data':
			t.expect("Getting %s from file '%s'" % (desc,wf))
		if pw:
			t.passphrase(desc,cfg['wpasswd'])
			t.expect(
				['Passphrase is OK', 'Passphrase.* are correct'],
				regex=True
				)
		chk = t.expect_getend('Valid %s for Seed ID ' % desc)[:8]
		if sid: cmp_or_die(chk,sid)
		else: ok()

	def walletchk_newpass (self,name,wf,pf):
		return self.walletchk(name,wf,pf,pw=True)

	def addrgen(self,name,wf,pf=None,check_ref=False):
		add_args = ([],['-q'] + ([],['-P',pf])[bool(pf)])[ni]
		t = MMGenExpect(name,'mmgen-addrgen', add_args +
				['-d',cfg['tmpdir'],wf,cfg['addr_idx_list']])
		if ni: return
		t.license()
		t.passphrase('MMGen wallet',cfg['wpasswd'])
		t.expect('Passphrase is OK')
		chk = t.expect_getend(r'Checksum for address data .*?: ',regex=True)
		if check_ref:
			refcheck('address data checksum',chk,cfg['addrfile_chk'])
			return
		t.written_to_file('Addresses',oo=True)
		ok()

	def refaddrgen(self,name,wf,pf):
		d = ' (%s-bit seed)' % cfg['seed_len']
		self.addrgen(name,wf,pf=pf,check_ref=True)

	def addrimport(self,name,addrfile):
		add_args = ([],['-q','-t'])[ni]
		outfile = os.path.join(cfg['tmpdir'],'addrfile_w_comments')
		add_comments_to_addr_file(addrfile,outfile)
		t = MMGenExpect(name,'mmgen-addrimport', add_args + [outfile])
		if ni: return
		t.expect_getend(r'Checksum for address data .*\[.*\]: ',regex=True)
		t.expect_getend('Validating addresses...OK. ')
		t.expect("Type uppercase 'YES' to confirm: ",'\n')
		vmsg('This is a simulation, so no addresses were actually imported into the tracking\nwallet')
		ok()

	def txcreate(self,name,addrfile):
		self.txcreate_common(name,sources=['1'])

	def txcreate_common(self,name,sources=['1'],non_mmgen_input=''):
		if opt.verbose or opt.exact_output:
			sys.stderr.write(green('Generating fake tracking wallet info\n'))
		silence()
		from mmgen.addr import AddrList,AddrData
		tx_data,ad = {},AddrData()
		for s in sources:
			afile = get_file_with_ext('addrs',cfgs[s]['tmpdir'])
			ai = AddrList(afile)
			ad.add(ai)
			aix = parse_addr_idxs(cfgs[s]['addr_idx_list'])
			if len(aix) != addrs_per_wallet:
				errmsg(red('Address index list length != %s: %s' %
							(addrs_per_wallet,repr(aix))))
				sys.exit()
			tx_data[s] = {
				'addrfile': afile,
				'chk': ai.chksum,
				'sid': ai.seed_id,
				'addr_idxs': aix[-2:],
			}

		unspent_data_file = os.path.join(cfg['tmpdir'],'unspent.json')
		create_fake_unspent_data(ad,unspent_data_file,tx_data,non_mmgen_input)
		if opt.verbose or opt.exact_output:
			sys.stderr.write("Fake transaction wallet data written to file '%s'\n" % unspent_data_file)

		# make the command line
		from mmgen.bitcoin import privnum2addr
		btcaddr = privnum2addr(getrandnum(32),compressed=True)

		cmd_args = ['-d',cfg['tmpdir']]
		for num in tx_data:
			s = tx_data[num]
			cmd_args += [
				'%s:%s,%s' % (s['sid'],s['addr_idxs'][0],cfgs[num]['amts'][0]),
			]
			# + one BTC address
			# + one change address and one BTC address
			if num is tx_data.keys()[-1]:
				cmd_args += ['%s:%s' % (s['sid'],s['addr_idxs'][1])]
				cmd_args += ['%s,%s' % (btcaddr,cfgs[num]['amts'][1])]

		for num in tx_data: cmd_args += [tx_data[num]['addrfile']]

		os.environ['MMGEN_BOGUS_WALLET_DATA'] = unspent_data_file
		end_silence()
		if opt.verbose or opt.exact_output: sys.stderr.write('\n')

		add_args = ([],['-q'])[ni]
		if ni:
			m = '\nAnswer the interactive prompts as follows:\n' + \
				" 'y', 'y', 'q', '1-9'<ENTER>, ENTER, ENTER, ENTER, 'y'"
			msg(grnbg(m))
		t = MMGenExpect(name,'mmgen-txcreate',['-f','0.0001'] + add_args + cmd_args)
		if ni: return
		t.license()
		for num in tx_data:
			t.expect_getend('Getting address data from file ')
			chk=t.expect_getend(r'Checksum for address data .*?: ',regex=True)
			verify_checksum_or_exit(tx_data[num]['chk'],chk)

		# not in tracking wallet warning, (1 + num sources) times
		if t.expect(['Continue anyway? (y/N): ',
				'Unable to connect to bitcoind']) == 0:
			t.send('y')
		else:
			errmsg(red('Error: unable to connect to bitcoind.  Exiting'))
			sys.exit(1)

		for num in tx_data:
			t.expect('Continue anyway? (y/N): ','y')
		t.expect(r"'q' = quit sorting, .*?: ",'M', regex=True)
		t.expect(r"'q' = quit sorting, .*?: ",'q', regex=True)
		outputs_list = [(addrs_per_wallet+1)*i + 1 for i in range(len(tx_data))]
		if non_mmgen_input: outputs_list.append(len(tx_data)*(addrs_per_wallet+1) + 1)
		t.expect('Enter a range or space-separated list of outputs to spend: ',
				' '.join([str(i) for i in outputs_list])+'\n')
		if non_mmgen_input: t.expect('Accept? (y/N): ','y')
		t.expect('OK? (Y/n): ','y') # fee OK?
		t.expect('OK? (Y/n): ','y') # change OK?
		t.expect('Add a comment to transaction? (y/N): ','\n')
		t.tx_view()
		t.expect('Save transaction? (y/N): ','y')
		t.written_to_file('Transaction')
		ok()

	def txsign_end(self,t,tnum=None,has_comment=False):
		t.expect('Signing transaction')
		cprompt = ('Add a comment to transaction','Edit transaction comment')[has_comment]
		t.expect('%s? (y/N): ' % cprompt,'\n')
		t.expect('Save signed transaction.*?\? \(Y/n\): ','y',regex=True)
		add = ' #' + tnum if tnum else ''
		t.written_to_file('Signed transaction' + add, oo=True)

	def txsign(self,name,txfile,wf,pf='',save=True,has_comment=False):
		add_args = ([],['-q','-P',pf])[ni]
		if ni:
			m = '\nAnswer the interactive prompts as follows:\n  ENTER, ENTER, ENTER'
			msg(grnbg(m))
		t = MMGenExpect(name,'mmgen-txsign', add_args+['-d',cfg['tmpdir'],txfile,wf])
		if ni: return
		t.license()
		t.tx_view()
		t.passphrase('MMGen wallet',cfg['wpasswd'])
		if save:
			self.txsign_end(t,has_comment=has_comment)
		else:
			cprompt = ('Add a comment to transaction','Edit transaction comment')[has_comment]
			t.expect('%s? (y/N): ' % cprompt,'\n')
			t.close()
		ok()

	def txsend(self,name,sigfile):
		t = MMGenExpect(name,'mmgen-txsend', ['-d',cfg['tmpdir'],sigfile])
		t.license()
		t.tx_view()
		t.expect('Add a comment to transaction? (y/N): ','\n')
		t.expect('broadcast this transaction to the network?')
		t.expect("'YES, I REALLY WANT TO DO THIS' to confirm: ",'\n')
		t.expect('Exiting at user request')
		vmsg('This is a simulation; no transaction was sent')
		ok()

	def walletconv_export(self,name,wf,desc,uargs=[],out_fmt='w',pw=False):
		opts = ['-d',cfg['tmpdir'],'-o',out_fmt] + uargs + [wf]
		t = MMGenExpect(name,'mmgen-walletconv',opts)
		t.license()
		t.passphrase('MMGen wallet',cfg['wpasswd'])
		if pw:
			t.passphrase_new('new '+desc,cfg['wpasswd'])
			t.usr_rand(10)
		if ' '.join(desc.split()[-2:]) == 'incognito data':
			t.expect('Generating encryption key from OS random data ')
			t.expect('Generating encryption key from OS random data ')
			ic_id = t.expect_getend('New Incog Wallet ID: ')
			t.expect('Generating encryption key from OS random data ')
		if desc == 'hidden incognito data':
			write_to_tmpfile(cfg,incog_id_fn,ic_id)
			ret = t.expect(['Create? (Y/n): ',"'YES' to confirm: "])
			if ret == 0:
				t.send('\n')
				t.expect('Enter file size: ',str(hincog_bytes)+'\n')
			else:
				t.send('YES\n')
		if out_fmt == 'w': t.label()
		return t.written_to_file(capfirst(desc),oo=True)

	def export_seed(self,name,wf,desc='seed data',out_fmt='seed'):
		f = self.walletconv_export(name,wf,desc=desc,out_fmt=out_fmt)
		silence()
		msg('%s: %s' % (capfirst(desc),cyan(get_data_from_file(f,desc))))
		end_silence()
		ok()

	def export_mnemonic(self,name,wf):
		self.export_seed(name,wf,desc='mnemonic data',out_fmt='words')

	def export_incog(self,name,wf,desc='incognito data',out_fmt='i',add_args=[]):
		uargs = ['-p1','-r5'] + add_args
		self.walletconv_export(name,wf,desc=desc,out_fmt=out_fmt,uargs=uargs,pw=True)
		ok()

	def export_incog_hex(self,name,wf):
		self.export_incog(name,wf,desc='hex incognito data',out_fmt='xi')

	# TODO: make outdir and hidden incog compatible (ignore --outdir and warn user?)
	def export_incog_hidden(self,name,wf):
		rf = os.path.join(cfg['tmpdir'],hincog_fn)
		add_args = ['-J','%s,%s'%(rf,hincog_offset)]
		self.export_incog(
			name,wf,desc='hidden incognito data',out_fmt='hi',add_args=add_args)

	def addrgen_seed(self,name,wf,foo,desc='seed data',in_fmt='seed'):
		stdout = (False,True)[desc=='seed data'] #capture output to screen once
		add_arg = ([],['-S'])[bool(stdout)]
		t = MMGenExpect(name,'mmgen-addrgen', add_arg +
				['-i'+in_fmt,'-d',cfg['tmpdir'],wf,cfg['addr_idx_list']])
		t.license()
		t.expect_getend('Valid %s for Seed ID ' % desc)
		vmsg('Comparing generated checksum with checksum from previous address file')
		chk = t.expect_getend(r'Checksum for address data .*?: ',regex=True)
		if stdout: t.read()
		verify_checksum_or_exit(get_addrfile_checksum(),chk)
#		t.no_overwrite()
		ok()

	def addrgen_mnemonic(self,name,wf,foo):
		self.addrgen_seed(name,wf,foo,desc='mnemonic data',in_fmt='words')

	def addrgen_incog(self,name,wf=[],foo='',in_fmt='i',desc='incognito data',args=[]):
		t = MMGenExpect(name,'mmgen-addrgen', args+['-i'+in_fmt,'-d',cfg['tmpdir']]+
				([],[wf])[bool(wf)] + [cfg['addr_idx_list']])
		t.license()
		t.expect_getend('Incog Wallet ID: ')
		t.hash_preset(desc,'1')
		t.passphrase('%s \w{8}' % desc, cfg['wpasswd'])
		vmsg('Comparing generated checksum with checksum from address file')
		chk = t.expect_getend(r'Checksum for address data .*?: ',regex=True)
		t.close()
		verify_checksum_or_exit(get_addrfile_checksum(),chk)
#		t.no_overwrite()
		ok()

	def addrgen_incog_hex(self,name,wf,foo):
		self.addrgen_incog(name,wf,'',in_fmt='xi',desc='hex incognito data')

	def addrgen_incog_hidden(self,name,wf,foo):
		rf = os.path.join(cfg['tmpdir'],hincog_fn)
		self.addrgen_incog(name,[],'',in_fmt='hi',desc='hidden incognito data',
			args=['-H','%s,%s'%(rf,hincog_offset),'-l',str(hincog_seedlen)])

	def keyaddrgen(self,name,wf,pf=None,check_ref=False):
		args = ['-d',cfg['tmpdir'],wf,cfg['addr_idx_list']]
		if ni:
			m = "\nAnswer 'n' at the interactive prompt"
			msg(grnbg(m))
			args = ['-q'] + ([],['-P',pf])[bool(pf)] + args
		t = MMGenExpect(name,'mmgen-keygen', args)
		if ni: return
		t.license()
		t.passphrase('MMGen wallet',cfg['wpasswd'])
		chk = t.expect_getend(r'Checksum for key-address data .*?: ',regex=True)
		if check_ref:
			refcheck('key-address data checksum',chk,cfg['keyaddrfile_chk'])
			return
		t.expect('Encrypt key list? (y/N): ','y')
		t.hash_preset('new key list','1')
		t.passphrase_new('new key list',cfg['kapasswd'])
		t.written_to_file('Secret keys',oo=True)
		ok()

	def refkeyaddrgen(self,name,wf,pf):
		self.keyaddrgen(name,wf,pf,check_ref=True)

	def txsign_keyaddr(self,name,keyaddr_file,txfile):
		t = MMGenExpect(name,'mmgen-txsign', ['-d',cfg['tmpdir'],'-M',keyaddr_file,txfile])
		t.license()
		t.hash_preset('key-address data','1')
		t.passphrase('key-address data',cfg['kapasswd'])
		t.expect('Check key-to-address validity? (y/N): ','y')
		t.tx_view()
		self.txsign_end(t)
		ok()

	def walletgen2(self,name):
		self.walletgen(name,seed_len=128)

	def addrgen2(self,name,wf):
		self.addrgen(name,wf,pf='')

	def txcreate2(self,name,addrfile):
		self.txcreate_common(name,sources=['2'])

	def txsign2(self,name,txf1,wf1,txf2,wf2):
		t = MMGenExpect(name,'mmgen-txsign', ['-d',cfg['tmpdir'],txf1,wf1,txf2,wf2])
		t.license()
		for cnum in ('1','2'):
			t.tx_view()
			t.passphrase('MMGen wallet',cfgs[cnum]['wpasswd'])
			self.txsign_end(t,cnum)
		ok()

	def export_mnemonic2(self,name,wf):
		self.export_mnemonic(name,wf)

	def walletgen3(self,name):
		self.walletgen(name)

	def addrgen3(self,name,wf):
		self.addrgen(name,wf,pf='')

	def txcreate3(self,name,addrfile1,addrfile2):
		self.txcreate_common(name,sources=['1','3'])

	def txsign3(self,name,wf1,wf2,txf2):
		t = MMGenExpect(name,'mmgen-txsign', ['-d',cfg['tmpdir'],wf1,wf2,txf2])
		t.license()
		t.tx_view()
		for cnum in ('1','3'):
#			t.expect_getend('Getting MMGen wallet data from file ')
			t.passphrase('MMGen wallet',cfgs[cnum]['wpasswd'])
		self.txsign_end(t)
		ok()

	def walletgen4(self,name):
		bwf = os.path.join(cfg['tmpdir'],cfg['bw_filename'])
		make_brainwallet_file(bwf)
		seed_len = str(cfg['seed_len'])
		args = ['-d',cfg['tmpdir'],'-p1','-r5','-l'+seed_len,'-ib']
		t = MMGenExpect(name,'mmgen-walletconv', args + [bwf])
		t.license()
		t.passphrase_new('new MMGen wallet',cfg['wpasswd'])
		t.usr_rand(10)
		t.label()
		t.written_to_file('MMGen wallet')
		ok()

	def addrgen4(self,name,wf):
		self.addrgen(name,wf,pf='')

	def txcreate4(self,name,f1,f2,f3,f4,f5,f6):
		self.txcreate_common(name,sources=['1','2','3','4','14'],non_mmgen_input='4')

	def txsign4(self,name,f1,f2,f3,f4,f5,f6):
		non_mm_fn = os.path.join(cfg['tmpdir'],non_mmgen_fn)
		a = ['-d',cfg['tmpdir'],'-i','brain','-b'+cfg['bw_params'],'-p1','-k',non_mm_fn,'-M',f6,f1,f2,f3,f4,f5]
		t = MMGenExpect(name,'mmgen-txsign',a)
		t.license()

		t.hash_preset('key-address data','1')
		t.passphrase('key-address data',cfgs['14']['kapasswd'])
		t.expect('Check key-to-address validity? (y/N): ','y')

		t.tx_view()

		for cnum,desc in ('1','incognito data'),('3','MMGen wallet'):
			t.passphrase(('%s' % desc),cfgs[cnum]['wpasswd'])

		self.txsign_end(t)
		ok()

	def tool_encrypt(self,name,infile=''):
		if infile:
			infn = infile
		else:
			d = os.urandom(1033)
			tmp_fn = cfg['tool_enc_infn']
			write_to_tmpfile(cfg,tmp_fn,d,binary=True)
			infn = get_tmpfile_fn(cfg,tmp_fn)
		if ni:
			pwfn = 'ni_pw'
			write_to_tmpfile(cfg,pwfn,tool_enc_passwd+'\n')
			pre = ['-P', get_tmpfile_fn(cfg,pwfn)]
			app = ['hash_preset=1']
		else:
			pre,app = [],[]
		t = MMGenExpect(name,'mmgen-tool',pre+['-d',cfg['tmpdir'],'encrypt',infn]+app)
		if ni: return
		t.hash_preset('user data','1')
		t.passphrase_new('user data',tool_enc_passwd)
		t.written_to_file('Encrypted data')
		ok()

# Generate the reference mmenc file
# 	def tool_encrypt_ref(self,name):
# 		infn = get_tmpfile_fn(cfg,cfg['tool_enc_ref_infn'])
# 		write_data_to_file(infn,cfg['tool_enc_reftext'],silent=True)
# 		self.tool_encrypt(name,infn)

	def tool_decrypt(self,name,f1,f2):
		of = name + '.out'
		if ni:
			pwfn = 'ni_pw'
			pre = ['-P', get_tmpfile_fn(cfg,pwfn)]
		else:
			pre = []
		t = MMGenExpect(name,'mmgen-tool',
			pre+['-d',cfg['tmpdir'],'decrypt',f2,'outfile='+of,'hash_preset=1'])
		if not ni:
			t.passphrase('user data',tool_enc_passwd)
			t.written_to_file('Decrypted data')
		d1 = read_from_file(f1,binary=True)
		d2 = read_from_file(get_tmpfile_fn(cfg,of),binary=True)
		cmp_or_die(d1,d2,skip_ok=ni)

	def tool_find_incog_data(self,name,f1,f2):
		i_id = read_from_file(f2).rstrip()
		vmsg('Incog ID: %s' % cyan(i_id))
		t = MMGenExpect(name,'mmgen-tool',
				['-d',cfg['tmpdir'],'find_incog_data',f1,i_id])
		if ni: return
		o = t.expect_getend('Incog data for ID %s found at offset ' % i_id)
		os.unlink(f1)
		cmp_or_die(hincog_offset,int(o))

# 	def pywallet(self,name):  # TODO - check output
# 		pf = get_tmpfile_fn(cfg,pwfile)
# 		write_data_to_file(pf,cfg['wpasswd']+'\n',silent=True)
# 		args = ([],['-q','-P',pf])[ni]
# 		unenc_wf = os.path.join(ref_dir,'wallet-unenc.dat')
# 		enc_wf   = os.path.join(ref_dir,'wallet-enc.dat')
# 		for wf,enc in (unenc_wf,False),(enc_wf,True):
# 			for w,o,pk in (
# 				('addresses','a',False),
# 				('private keys','k',True),
# 				('json dump','j',True)
# 			):
# 				ed = '(%sencrypted wallet, %s)' % (('un','')[bool(enc)],w)
# 				t = MMGenExpect(name,'mmgen-pywallet', args +
# 						['-'+o,'-d',cfg['tmpdir']] + [wf], extra_desc=ed)
# 				if ni: continue
# 				if pk and enc and not ni:
# 					t.expect('Enter password: ',cfg['wpasswd']+'\n')
# 				t.written_to_file(capfirst(w),oo=True)
# 				if not ni: ok()

	# Saved reference file tests
	def ref_wallet_conv(self,name):
		wf = os.path.join(ref_dir,cfg['ref_wallet'])
		self.walletconv_in(name,wf,'MMGen wallet',pw=True,oo=True)

	def ref_mn_conv(self,name,ext='mmwords',desc='Mnemonic data'):
		wf = os.path.join(ref_dir,cfg['seed_id']+'.'+ext)
		self.walletconv_in(name,wf,desc,oo=True)

	def ref_seed_conv(self,name):
		self.ref_mn_conv(name,ext='mmseed',desc='Seed data')

	def ref_brain_conv(self,name):
		uopts = ['-i','b','-p','1','-l',str(cfg['seed_len'])]
		self.walletconv_in(name,None,'brainwallet',uopts,oo=True)

	def ref_incog_conv(self,name,wfk='ic_wallet',in_fmt='i',desc='incognito data'):
		uopts = ['-i',in_fmt,'-p','1','-l',str(cfg['seed_len'])]
		wf = os.path.join(ref_dir,cfg[wfk])
		self.walletconv_in(name,wf,desc,uopts,oo=True,pw=True)

	def ref_incox_conv(self,name):
		self.ref_incog_conv(name,in_fmt='xi',wfk='ic_wallet_hex',desc='hex incognito data')

	def ref_hincog_conv(self,name,wfk='hic_wallet',add_uopts=[]):
		ic_f = os.path.join(ref_dir,cfg[wfk])
		uopts = ['-i','hi','-p','1','-l',str(cfg['seed_len'])] + add_uopts
		hi_opt = ['-H','%s,%s' % (ic_f,ref_wallet_incog_offset)]
		self.walletconv_in(name,None,'hidden incognito data',uopts+hi_opt,oo=True,pw=True)

	def ref_hincog_conv_old(self,name):
		self.ref_hincog_conv(name,wfk='hic_wallet_old',add_uopts=['-O'])

	def ref_wallet_conv_out(self,name):
		self.walletconv_out(name,'MMGen wallet','w',pw=True)

	def ref_mn_conv_out(self,name):
		self.walletconv_out(name,'mnemonic data','mn')

	def ref_seed_conv_out(self,name):
		self.walletconv_out(name,'seed data','seed')

	def ref_incog_conv_out(self,name):
		self.walletconv_out(name,'incognito data',out_fmt='i',pw=True)

	def ref_incox_conv_out(self,name):
		self.walletconv_out(name,'hex incognito data',out_fmt='xi',pw=True)

	def ref_hincog_conv_out(self,name,extra_uopts=[]):
		ic_f = os.path.join(cfg['tmpdir'],hincog_fn)
		hi_parms = '%s,%s' % (ic_f,ref_wallet_incog_offset)
		sl_parm = '-l' + str(cfg['seed_len'])
		self.walletconv_out(name,
			'hidden incognito data', 'hi',
			uopts=['-J',hi_parms,sl_parm] + extra_uopts,
			uopts_chk=['-H',hi_parms,sl_parm],
			pw=True
		)

	def ref_wallet_chk(self,name):
		wf = os.path.join(ref_dir,cfg['ref_wallet'])
		if ni:
			write_to_tmpfile(cfg,pwfile,cfg['wpasswd'])
			pf = get_tmpfile_fn(cfg,pwfile)
		else:
			pf = None
		self.walletchk(name,wf,pf=pf,pw=True,sid=cfg['seed_id'])

	from mmgen.seed import SeedFile
	def ref_seed_chk(self,name,ext=SeedFile.ext):
		wf = os.path.join(ref_dir,'%s.%s' % (cfg['seed_id'],ext))
		from mmgen.seed import SeedFile
		desc = ('mnemonic data','seed data')[ext==SeedFile.ext]
		self.walletchk(name,wf,pf=None,desc=desc,sid=cfg['seed_id'])

	def ref_mn_chk(self,name):
		from mmgen.seed import Mnemonic
		self.ref_seed_chk(name,ext=Mnemonic.ext)

	def ref_brain_chk(self,name,bw_file=ref_bw_file):
		wf = os.path.join(ref_dir,bw_file)
		add_args = ['-l%s' % cfg['seed_len'], '-p'+ref_bw_hash_preset]
		self.walletchk(name,wf,pf=None,add_args=add_args,
			desc='brainwallet',sid=cfg['ref_bw_seed_id'])

	def ref_brain_chk_spc3(self,name):
		self.ref_brain_chk(name,bw_file=ref_bw_file_spc)

	def ref_hincog_chk(self,name,desc='hidden incognito data'):
		for wtype,edesc,of_arg in ('hic_wallet','',[]), \
								('hic_wallet_old','(old format)',['-O']):
			ic_arg = ['-H%s,%s' % (
						os.path.join(ref_dir,cfg[wtype]),
						ref_wallet_incog_offset
					)]
			slarg = ['-l%s ' % cfg['seed_len']]
			hparg = ['-p1']
			if ni:
				write_to_tmpfile(cfg,pwfile,cfg['wpasswd'])
				add_args = ['-q','-P%s' % get_tmpfile_fn(cfg,pwfile)]
			else:
				add_args = []
			if ni and wtype == 'hic_wallet_old':
				m = grnbg("Answer 'y' at the interactive prompt if Seed ID is")
				n = cyan(cfg['seed_id'])
				msg('\n%s %s' % (m,n))
			t = MMGenExpect(name,'mmgen-walletchk',
				add_args + slarg + hparg + of_arg + ic_arg,
				extra_desc=edesc)
			if ni: continue
			t.passphrase(desc,cfg['wpasswd'])
			if wtype == 'hic_wallet_old':
				t.expect('Is the Seed ID correct? (Y/n): ','\n')
			chk = t.expect_getend('Seed ID: ')
			t.close()
			cmp_or_die(cfg['seed_id'],chk)

	def ref_addrfile_chk(self,name,ftype='addr'):
		wf = os.path.join(ref_dir,cfg['ref_'+ftype+'file'])
		if ni:
			m = "\nAnswer the interactive prompts as follows: '1'<ENTER>, ENTER"
			msg(grnbg(m))
			pfn = 'ref_kafile_passwd'
			write_to_tmpfile(cfg,pfn,ref_kafile_pass)
			aa = ['-P',get_tmpfile_fn(cfg,pfn)]
		else:
			aa = []
		t = MMGenExpect(name,'mmgen-tool',aa+[ftype+'file_chksum',wf])
		if ni:
			k = 'ref_%saddrfile_chksum' % ('','key')[ftype == 'keyaddr']
			m = grnbg('Checksum should be:')
			n = cyan(cfg[k])
			msg(grnbg('%s %s' % (m,n)))
			return
		if ftype == 'keyaddr':
			w = 'key-address data'
			t.hash_preset(w,ref_kafile_hash_preset)
			t.passphrase(w,ref_kafile_pass)
			t.expect('Check key-to-address validity? (y/N): ','y')
		o = t.read().strip().split('\n')[-1]
		cmp_or_die(cfg['ref_'+ftype+'file_chksum'],o)

	def ref_keyaddrfile_chk(self,name):
		self.ref_addrfile_chk(name,ftype='keyaddr')

#	def txcreate8(self,name,addrfile):
#		self.txcreate_common(name,sources=['8'])

	def ref_tx_chk(self,name):
		tf = os.path.join(ref_dir,cfg['ref_tx_file'])
		wf = os.path.join(ref_dir,cfg['ref_wallet'])
		write_to_tmpfile(cfg,pwfile,cfg['wpasswd'])
		pf = get_tmpfile_fn(cfg,pwfile)
		self.txsign(name,tf,wf,pf,save=False,has_comment=True)

	def ref_tool_decrypt(self,name):
		f = os.path.join(ref_dir,ref_enc_fn)
		aa = []
		if ni:
			pfn = 'tool_enc_passwd'
			write_to_tmpfile(cfg,pfn,tool_enc_passwd)
			aa = ['-P',get_tmpfile_fn(cfg,pfn)]
		t = MMGenExpect(name,'mmgen-tool',
				aa + ['-q','decrypt',f,'outfile=-','hash_preset=1'])
		if ni: return
		t.passphrase('user data',tool_enc_passwd)
		t.readline()
		import re
		o = re.sub('\r\n','\n',t.read())
		cmp_or_die(sample_text,o)

	# wallet conversion tests
	def walletconv_in(self,name,infile,desc,uopts=[],pw=False,oo=False):
		opts = ['-d',cfg['tmpdir'],'-o','words','-r5']
		if_arg = [infile] if infile else []
		d = '(convert)'
		if ni:
			opts += ['-q']
			msg('')
			if pw:
				pfn = 'ni_passwd'
				write_to_tmpfile(cfg,pfn,cfg['wpasswd'])
				opts += ['-P',get_tmpfile_fn(cfg,pfn)]
			if desc == 'brainwallet':
				m = "\nAnswer the interactive prompt as follows: '%s'<ENTER>"
				msg(grnbg(m % ref_wallet_brainpass))
			if '-O' in uopts:
				m = grnbg("Answer 'y' at the interactive prompt if Seed ID is")
				n = cyan(cfg['seed_id'])
				msg('\n%s %s' % (m,n))
		t = MMGenExpect(name,'mmgen-walletconv',opts+uopts+if_arg,extra_desc=d)
		if ni:
			m = grnbg('Seed ID should be:')
			n = cyan(cfg['seed_id'])
			msg(grnbg('%s %s' % (m,n)))
			return
		t.license()
		if desc == 'brainwallet':
			t.expect('Enter brainwallet: ',ref_wallet_brainpass+'\n')
		if pw:
			t.passphrase(desc,cfg['wpasswd'])
			if name[:19] == 'ref_hincog_conv_old':
				t.expect('Is the Seed ID correct? (Y/n): ','\n')
			else:
				t.expect(['Passphrase is OK',' are correct'])
		# Output
		wf = t.written_to_file('Mnemonic data',oo=oo)
		t.close()
		ok()
		# back check of result
		self.walletchk(name,wf,pf=None,
				desc='mnemonic data',
				sid=cfg['seed_id'],
				extra_desc='(check)'
				)

	def walletconv_out(self,name,desc,out_fmt='w',uopts=[],uopts_chk=[],pw=False):
		opts = ['-d',cfg['tmpdir'],'-p1','-o',out_fmt] + uopts
		if ni:
			pfn = 'ni_passwd'
			write_to_tmpfile(cfg,pfn,cfg['wpasswd'])
			l = 'Non-Interactive Test Wallet'
			aa = ['-q','-L',l,'-r0','-P',get_tmpfile_fn(cfg,pfn)]
			if desc == 'hidden incognito data':
				rd = os.urandom(ref_wallet_incog_offset+128)
				write_to_tmpfile(cfg,hincog_fn,rd)
		else:
			aa = ['-r5']
		infile = os.path.join(ref_dir,cfg['seed_id']+'.mmwords')
		t = MMGenExpect(name,'mmgen-walletconv',aa+opts+[infile],extra_desc='(convert)')

		add_args = ['-l%s' % cfg['seed_len']]
		if ni:
			pfn = 'ni_passwd'
			write_to_tmpfile(cfg,pfn,cfg['wpasswd'])
			pf = get_tmpfile_fn(cfg,pfn)
			if desc != 'hidden incognito data':
				from mmgen.seed import SeedSource
				ext = SeedSource.fmt_code_to_type(out_fmt).ext
				hps = ('',',1')[bool(pw)]   # TODO real hp
				pre_ext = '[%s%s].' % (cfg['seed_len'],hps)
				wf = get_file_with_ext(pre_ext+ext,cfg['tmpdir'],no_dot=True)
		else:
			t.license()
			if pw:
				t.passphrase_new('new '+desc,cfg['wpasswd'])
				t.usr_rand(10)
			if ' '.join(desc.split()[-2:]) == 'incognito data':
				for i in (1,2,3):
					t.expect('Generating encryption key from OS random data ')
			if desc == 'hidden incognito data':
				ret = t.expect(['Create? (Y/n): ',"'YES' to confirm: "])
				if ret == 0:
					t.send('\n')
					t.expect('Enter file size: ',str(hincog_bytes)+'\n')
				else:
					t.send('YES\n')
			if out_fmt == 'w': t.label()
			wf = t.written_to_file(capfirst(desc),oo=True)
			pf = None
			ok()

		if desc == 'hidden incognito data':
			add_args += uopts_chk
			wf = None
		self.walletchk(name,wf,pf=pf,
			desc=desc,sid=cfg['seed_id'],pw=pw,
			add_args=add_args,
			extra_desc='(check)')

	for k in (
			'ref_wallet_conv',
			'ref_mn_conv',
			'ref_seed_conv',
			'ref_brain_conv',
			'ref_incog_conv',
			'ref_incox_conv',
			'ref_hincog_conv',
			'ref_hincog_conv_old',
			'ref_wallet_conv_out',
			'ref_mn_conv_out',
			'ref_seed_conv_out',
			'ref_incog_conv_out',
			'ref_incox_conv_out',
			'ref_hincog_conv_out',
			'ref_wallet_chk',
			'refwalletgen',
			'refaddrgen',
			'ref_seed_chk',
			'ref_mn_chk',
			'ref_brain_chk',
			'ref_hincog_chk',
			'refkeyaddrgen',
		):
		for i in ('1','2','3'):
			locals()[k+i] = locals()[k]

	for k in ('walletgen','addrgen','keyaddrgen'): locals()[k+'14'] = locals()[k]


# main()
if opt.pause:
	import termios,atexit
	fd = sys.stdin.fileno()
	old = termios.tcgetattr(fd)
	def at_exit():
		termios.tcsetattr(fd, termios.TCSADRAIN, old)
	atexit.register(at_exit)

start_time = int(time.time())
ts = MMGenTestSuite()

# Laggy flash media cause pexpect to crash, so read and write all temporary
# files to volatile memory in '/dev/shm'
if not opt.skip_deps:
	if sys.platform[:3] == 'win':
		for cfg in sorted(cfgs): mk_tmpdir(cfgs[cfg])
	else:
		d,pfx = '/dev/shm','mmgen-test-'
		try:
			import subprocess
			subprocess.call('rm -rf %s/%s*'%(d,pfx),shell=True)
		except Exception as e:
			die(2,'Unable to delete directory tree %s/%s* (%s)'%(d,pfx,e))
		try:
			import tempfile
			shm_dir = tempfile.mkdtemp('',pfx,d)
		except Exception as e:
			die(2,'Unable to create temporary directory in %s (%s)'%(d,e))
		for cfg in sorted(cfgs): mk_tmpdir_path(shm_dir,cfgs[cfg])

try:
	if cmd_args:
		for arg in cmd_args:
			if arg in utils:
				globals()[arg](cmd_args[cmd_args.index(arg)+1:])
				sys.exit()
			elif 'info_'+arg in cmd_data:
				dirs = cmd_data['info_'+arg][1]
				if dirs: clean(dirs)
				for cmd in cmd_list[arg]:
					check_needs_rerun(ts,cmd,build=True)
			elif arg in meta_cmds:
				for cmd in meta_cmds[arg]:
					check_needs_rerun(ts,cmd,build=True)
			elif arg in cmd_data:
				check_needs_rerun(ts,arg,build=True)
			else:
				die(1,'%s: unrecognized command' % arg)
	else:
		clean()
		for cmd in cmd_data:
			if cmd[:5] == 'info_':
				msg(green('%sTesting %s' % (('\n','')[bool(opt.resume)],cmd_data[cmd][0])))
				continue
			ts.do_cmd(cmd)
			if cmd is not cmd_data.keys()[-1]: do_between()
except KeyboardInterrupt:
	die(1,'\nExiting at user request')
	raise
except:
	sys.stderr = stderr_save
	raise

t = int(time.time()) - start_time
sys.stderr.write(green(
	'All requested tests finished OK, elapsed time: %02i:%02i\n'
	% (t/60,t%60)))