Version 0.8.8

  Documentation updated
  [mswin]: colons removed from filenames in test/ref
  [mswin]: commas allowed in hidden incog filename parameter

doc/wiki/install-linux/Install-MMGen-on-Debian-or-Ubuntu-Linux.md

@@ -2,7 +2,7 @@
 
 Install required Debian/Ubuntu packages:
 
-		$ sudo apt-get install python-pip python-dev python-pexpect python-ecdsa python-scrypt libssl-dev git autoconf libtool
+		$ sudo apt-get install python-pip python-dev python-pexpect python-ecdsa python-scrypt libssl-dev git autoconf libtool wipe
 
 Install the Python Cryptography Toolkit:
 

doc/wiki/using-mmgen/Getting-Started-with-MMGen.md

@@ -24,20 +24,42 @@ format conversion, address and key generation, and address import operations can
 be performed on either an online or offline computer with an empty blockchain
 and no Bitcoin balance.
 
+*NOTE: Beginning with v0.8.7a, MMGen supports testnet, allowing you to perform
+the entire set of MMGen operations without risking real funds (free testnet
+coins may be obtained at [https://tpfaucet.appspot.com/][2]). To use this
+feature, start bitcoind with the -testnet option and sync the testnet blockchain
+(about 9GB at this time of writing).  To make MMGen use testnet instead of
+mainnet, supply the `--testnet=1` option as the first argument to all MMGen
+commands you run.  To save typing, the option may also be set in the MMGen
+configuration file.*
+
 Note that all the filenames, seed IDs, Bitcoin addresses and so forth used in
-this primer are fake.  Substitute real ones in their place as you go.  The up
-arrow (for repeating commands) and tab key (or Ctrl-I) (for completing commands
-and filenames) will speed up your work at the command line greatly.
+this primer are fake and for purposes of illustration only.  The up arrow (for
+repeating commands) and tab key (or Ctrl-I) (for completing commands and
+filenames) will speed up your work at the command line greatly.
 
 ### <a name=01>Basic Operations</a>
 
 #### <a name=02>Generate a wallet (offline computer):</a>
 
+*NOTE: Beginning with v0.8.8, MMGen supports a “default wallet” feature.  After
+creating your wallet, MMGen will prompt you to make it your default.  If you
+answer 'y', the wallet will be stored in your MMGen data directory and used for
+all future commands that require a wallet or other seed source.*
+
+*If you don't want your MMGen wallet stored in your MMGen data directory, then
+you may not to want to use this feature.  Otherwise, it's recommended, as it
+saves you from having to type your wallet on the command line.*
+
+*The following examples suppose that you've chosen to use a default wallet.
+Bear in mind that if you hadn't, the wallet would need to be specified as an
+argument to all commands where it's relevant.*
+
 On your offline computer, generate a wallet:
 
 		$ mmgen-walletgen
 		...
-		MMGen wallet written to file '89ABCDEF-76543210[256,3].mmdat'
+		MMGen wallet written to file '/home/username/.mmgen/89ABCDEF-76543210[256,3].mmdat'
 
 ‘89ABCDEF’ is the Seed ID; ‘76543210’ is the Key ID. These are randomly
 generated, so your IDs will of course be different than these.
@@ -65,7 +87,7 @@ written out by hand or memorized.
 
 Now generate ten addresses with your just-created wallet:
 
-		$ mmgen-addrgen 89ABCDEF-76543210[256,3].mmdat 1-10
+		$ mmgen-addrgen 1-10
 		...
 		Addresses written to file '89ABCDEF[1-10].addrs'
 
@@ -152,15 +174,16 @@ also).
 		...
 		TOTAL: 0 BTC
 
-Note that it’s also possible to [track ordinary Bitcoin addresses with your
-tracking wallet][1].  This is not recommended, however, as you must save their
-corresponding keys in a key list in order to spend them.  Avoiding the use of
-keys is precisely the reason MMGen was created!
+*While not covered in this introduction, note that it’s also possible to [import
+ordinary Bitcoin addresses into your tracking wallet][1].  This allows you to
+move funds from another wallet directly to MMGen without having to go through
+the network.  To use it, you must save the keys corresponding to the addresses
+where the funds are stored in a separate file for use during signing.*
 
 Now that your addresses are being tracked, you may go ahead and send some BTC to
-them.  If you send 0.1, 0.2, 0.3 and 0.4 BTC respectively, for example, your
-address listing will look something like this after the transactions have been
-confirmed:
+them over the Bitcoin network.  If you send 0.1, 0.2, 0.3 and 0.4 BTC
+respectively, for example, your address listing will look something like this
+after the transactions have been confirmed:
 
 		$ mmgen-tool listaddresses
 		MMGenID     COMMENT    BALANCE
@@ -175,7 +198,9 @@ confirmed:
 Now that you have some BTC under MMGen’s control, you’re ready to create a
 transaction.  Note that transactions are harmless until they’re signed and
 broadcast to the network, so feel free to experiment and create transactions
-with different combinations of inputs and outputs.
+with different combinations of inputs and outputs.  If you're using testnet,
+then even broadcast transactions are harmless, so it's highly recommended you
+do so if you want to practice sending transactions.
 
 To send 0.1 BTC to the a third-party address 1AmkUxrfy5dMrfmeYwTxLxfIswUCcpeysc,
 for example, and send the change back to yourself at address 89ABCDEF:5, you’d
@@ -240,13 +265,13 @@ and change addresses.  This feature will be appreciated by privacy-conscious use
 #### <a name=06>Sign a transaction (offline computer):</a>
 
 Now transfer the the raw transaction file to your offline computer and sign it
-using your wallet:
+using your default wallet:
 
-		$ mmgen-txsign FEDCBA[0.1].rawtx 89ABCDEF-76543210[256,3].mmdat
+		$ mmgen-txsign FEDCBA[0.1].rawtx
 		...
 		Signed transaction written to file 'FEDCBA[0.1].sigtx'
 
-Note that the signed transaction file bears the extension '.sigtx'.
+Note that the signed transaction file has a new extension, '.sigtx'.
 
 #### <a name=07>Send a transaction (online computer):</a>
 
@@ -284,9 +309,9 @@ by invoking the desired command with the `-h` or `--help` switch.
 
 #### <a name=11>Using the mnemonic and seed features:</a>
 
-Continuing our example above, generate a mnemonic from the wallet:
+Continuing our example above, generate a mnemonic from the default wallet:
 
-		$ mmgen-walletconv -o words '89ABCDEF-76543210[256,3].mmdat'
+		$ mmgen-walletconv -o words
 		...
 		Mnemonic data written to file '89ABCDEF.mmwords'
 
@@ -329,7 +354,7 @@ Seed ID.
 Seed files bear the extension '.mmseed' and are generated and used exactly
 the same way as mnemonic files:
 
-		$ mmgen-walletconv -o seed '89ABCDEF-76543210[256,3].mmdat'
+		$ mmgen-walletconv -o seed
 		...
 		Seed data written to file '89ABCDEF.mmseed'
 
@@ -477,7 +502,7 @@ create a 1GB file 'random.dat' and hide a wallet in it at offset 123456789:
 		Data written to file 'random.dat' at offset 123456789
 
 Your ‘random’ file can now be uploaded to a cloud storage service, for example,
-or some other, preferably non-public, location on the Net (in a real-life
+or some other location on the Net, preferably non-public one (in a real-life
 situation you will choose a less obvious offset than '123456789' though, won’t
 you?).
 
@@ -506,3 +531,4 @@ Transaction signing uses the same syntax:
 		Signed transaction written to file 'ABCDEF[0.1].sigtx'
 
 [1]: https://github.com/mmgen/mmgen/wiki/Tracking-and-spending-ordinary-Bitcoin-addresses
+[2]: https://tpfaucet.appspot.com

mmgen/globalvars.py

@@ -36,7 +36,7 @@ class g(object):
 		sys.exit(ev)
 	# Variables - these might be altered at runtime:
 
-	version      = '0.8.8rc1'
+	version      = '0.8.8'
 	release_date = 'November 2016'
 
 	proj_name = 'MMGen'

mmgen/opts.py

@@ -320,20 +320,21 @@ def check_opts(usr_opts):       # Returns false if any check fails
 					die(1,'Output to brainwallet format unsupported')
 		elif key in ('hidden_incog_input_params','hidden_incog_output_params'):
 			a = val.split(',')
-			if len(a) != 2:
+			if len(a) < 2:
 				opt_display(key,val)
 				msg('Option requires two comma-separated arguments')
 				return False
-			if not opt_is_int(a[1],desc): return False
+			fn,ofs = ','.join(a[:-1]),a[-1] # permit comma in filename
+			if not opt_is_int(ofs,desc): return False
 			if key == 'hidden_incog_input_params':
-				check_infile(a[0],blkdev_ok=True)
+				check_infile(fn,blkdev_ok=True)
 				key2 = 'in_fmt'
 			else:
-				try: os.stat(a[0])
+				try: os.stat(fn)
 				except:
-					b = os.path.dirname(a[0])
+					b = os.path.dirname(fn)
 					if b: check_outdir(b)
-				else: check_outfile(a[0],blkdev_ok=True)
+				else: check_outfile(fn,blkdev_ok=True)
 				key2 = 'out_fmt'
 			if hasattr(opt,key2):
 				val2 = getattr(opt,key2)

mmgen/seed.py

@@ -84,7 +84,8 @@ class SeedSource(MMGenObject):
 			if fn:
 				f = Filename(fn)
 			else:
-				fn = opt.hidden_incog_input_params.split(',')[0]
+				# permit comma in filename
+				fn = ','.join(opt.hidden_incog_input_params.split(',')[:-1])
 				f = Filename(fn,ftype=IncogWalletHidden)
 			if opt.in_fmt and not ignore_in_fmt:
 				die_on_opt_mismatch(opt.in_fmt,f.ftype)
@@ -924,9 +925,8 @@ harder to find, you're advised to choose a much larger file size than this.
 	}
 
 	def _get_hincog_params(self,wtype):
-		p = getattr(opt,'hidden_incog_'+ wtype +'_params')
-		a,b = p.split(',')
-		return a,int(b)
+		a = getattr(opt,'hidden_incog_'+ wtype +'_params').split(',')
+		return ','.join(a[:-1]),int(a[-1]) # permit comma in filename
 
 	def _check_valid_offset(self,fn,action):
 		d = self.ssdata

test/test.py

@@ -273,8 +273,8 @@ cfgs = {
 		'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',
+		'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':      '',
@@ -299,8 +299,8 @@ cfgs = {
 		'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',
+		'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':      '',
@@ -332,8 +332,8 @@ cfgs = {
 		'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',
+		'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':      '',
@@ -663,7 +663,7 @@ except: # Windows
 	m1 = green('MS Windows or missing pexpect module detected.  Skipping some tests and running in\n')
 	m2 = green('interactive mode.  User prompts and control values will be ')
 	m3 = grnbg('HIGHLIGHTED IN GREEN')
-	m4 = green('.\nControl values should be checked against the output that precedes them.')
+	m4 = green('.\nControl values should be checked against the program output.')
 	m5 = green('\nContinue?')
 	ni = True
 	if not keypress_confirm(m1+m2+m3+m4+m5,default_yes=True):
@@ -751,8 +751,7 @@ def verify_checksum_or_exit(checksum,chk):
 class MMGenExpect(object):
 
 	def __init__(self,name,mmgen_cmd_arg,cmd_args=[],extra_desc='',no_output=False):
-		if not opt.system:
-			mmgen_cmd = os.path.join(os.curdir,mmgen_cmd_arg)
+		mmgen_cmd = (os.path.join(os.curdir,mmgen_cmd_arg),mmgen_cmd_arg)[bool(opt.system)]
 		desc = (cmd_data[name][1],name)[bool(opt.names)]
 		if extra_desc: desc += ' ' + extra_desc
 		for i in cmd_args:
@@ -2036,7 +2035,7 @@ start_time = int(time.time())
 def end_msg():
 	t = int(time.time()) - start_time
 	m1 = 'All requested tests finished OK, elapsed time: {:02d}:{:02d}\n'
-	m2 = ('','Please re-check all {} control values against the output preceding them.\n'.format(grnbg('HIGHLIGHTED')))[ni]
+	m2 = ('','Please re-check all {} control values against the program output.\n'.format(grnbg('HIGHLIGHTED')))[ni]
 	sys.stderr.write(green(m1.format(t/60,t%60)))
 	sys.stderr.write(m2)