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#!/usr/bin/env python
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2011 thomasv@gitorious
#
# 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/>.
import re, sys
from lib.util import print_error
try:
import ecdsa
except:
print_error("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
sys.exit(1)
try:
import aes
except:
print_error("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
sys.exit(1)
try:
from lib import Wallet, WalletSynchronizer, format_satoshis, mnemonic, prompt_password
except ImportError:
from electrum import Wallet, WalletSynchronizer, format_satoshis, mnemonic, prompt_password
from optparse import OptionParser
from decimal import Decimal
known_commands = {
'help':'Prints this help',
'validateaddress':'Check that the address is valid',
'balance': "Display the balance of your wallet or of an address.\nSyntax: balance [<address>]",
'contacts': "Show your list of contacts",
'create':'Create a wallet',
'restore':'Restore a wallet',
'payto':"""Create and broadcast a transaction.
Syntax: payto <recipient> <amount> [label]
<recipient> can be a bitcoin address or a label
options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
""",
'sendtx':
'Broadcasts a transaction to the network. \nSyntax: sendtx <tx>\n<tx> must be in hexadecimal.',
'password':
"Changes your password",
'addresses':
"""Shows your list of addresses.
options:
-a: show all addresses, including change addresses
-k: show private keys
-b: show the balance of addresses""",
'history':"Shows the transaction history",
'label':'Assign a label to an item\nSyntax: label <tx_hash> <label>',
'mktx':
"""Create a signed transaction, password protected.
Syntax: mktx <recipient> <amount> [label]
options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
""",
'seed':
"Print the generation seed of your wallet.",
'import':
'Imports a key pair\nSyntax: import <address>:<privatekey>',
'signmessage':
'Signs a message with a key\nSyntax: signmessage <address> <message>',
'verifymessage':
'Verifies a signature\nSyntax: verifymessage <address> <signature> <message>',
'eval':
"Run python eval() on an object\nSyntax: eval <expression>\nExample: eval \"wallet.aliases\"",
'deseed':
"Remove seed from the wallet. The seed is stored in a file that has the name of the wallet plus '.seed'",
'reseed':
"Restore seed of the wallet. The wallet must have no seed, and the seed must match the wallet's master public key.",
'freeze':'',
'unfreeze':'',
'prioritize':'',
'unprioritize':'',
}
offline_commands = [ 'password', 'mktx', 'label', 'contacts', 'help', 'validateaddress', 'signmessage', 'verifymessage', 'eval', 'create', 'addresses', 'import', 'seed','deseed','reseed','freeze','unfreeze','prioritize','unprioritize']
protected_commands = ['payto', 'password', 'mktx', 'seed', 'import','signmessage' ]
if __name__ == '__main__':
usage = "usage: %prog [options] command\nCommands: "+ (', '.join(known_commands))
parser = OptionParser(usage=usage)
parser.add_option("-g", "--gui", dest="gui", default="lite", help="gui")
parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path (default: electrum.dat)")
parser.add_option("-o", "--offline", action="store_true", dest="offline", default=False, help="remain offline")
parser.add_option("-a", "--all", action="store_true", dest="show_all", default=False, help="show all addresses")
parser.add_option("-b", "--balance", action="store_true", dest="show_balance", default=False, help="show the balance at listed addresses")
parser.add_option("-k", "--keys",action="store_true", dest="show_keys",default=False, help="show the private keys of listed addresses")
parser.add_option("-f", "--fee", dest="tx_fee", default="0.005", help="set tx fee")
parser.add_option("-s", "--fromaddr", dest="from_addr", default=None, help="set source address for payto/mktx. if it isn't in the wallet, it will ask for the private key unless supplied in the format public_key:private_key. It's not saved in the wallet.")
parser.add_option("-c", "--changeaddr", dest="change_addr", default=None, help="set the change address for payto/mktx. default is a spare address, or the source address if it's not in the wallet")
parser.add_option("-r", "--remote", dest="remote_url", default=None, help="URL of a remote wallet")
options, args = parser.parse_args()
wallet = Wallet()
wallet.set_path(options.wallet_path)
wallet.read()
wallet.remote_url = options.remote_url
if len(args)==0:
url = None
cmd = 'gui'
elif len(args)==1 and re.match('^bitcoin:', args[0]):
url = args[0]
cmd = 'gui'
else:
cmd = args[0]
firstarg = args[1] if len(args) > 1 else ''
if cmd == 'gui':
if options.gui=='gtk':
try:
import lib.gui as gui
except ImportError:
import electrum.gui as gui
elif options.gui=='qt':
try:
import lib.gui_qt as gui
except ImportError:
import electrum.gui_qt as gui
elif options.gui == 'lite':
try:
import lib.gui_lite as gui
except ImportError:
import electrum.gui_lite as gui
else:
print_error("Error: Unknown GUI: " + options.gui)
exit(1)
gui = gui.ElectrumGui(wallet)
WalletSynchronizer(wallet,True).start()
try:
found = wallet.file_exists
if not found:
found = gui.restore_or_create()
except SystemExit, e:
exit(e)
except BaseException, e:
import traceback
traceback.print_exc(file=sys.stdout)
#gui.show_message(e.message)
exit(1)
if not found:
exit(1)
gui.main(url)
wallet.save()
sys.exit(0)
if cmd not in known_commands:
cmd = 'help'
if not wallet.file_exists and cmd not in ['help','create','restore']:
print_error("Error: Wallet file not found.")
print_error("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
sys.exit(0)
if cmd in ['create', 'restore']:
if wallet.file_exists:
print_error("Error: Remove the existing wallet first!")
sys.stderr.flush()
sys.exit(0)
password = prompt_password("Password (hit return if you do not wish to encrypt your wallet):")
w_host, w_port, w_protocol = wallet.server.split(':')
host = raw_input("server (default:%s):"%w_host)
port = raw_input("port (default:%s):"%w_port)
protocol = raw_input("protocol [t=tcp;h=http;n=native] (default:%s):"%w_protocol)
fee = raw_input("fee (default:%s):"%( str(Decimal(wallet.fee)/100000000)) )
gap = raw_input("gap limit (default 5):")
if host: w_host = host
if port: w_port = port
if protocol: w_protocol = protocol
wallet.server = w_host + ':' + w_port + ':' +w_protocol
if fee: wallet.fee = float(fee)
if gap: wallet.gap_limit = int(gap)
if cmd == 'restore':
seed = raw_input("seed:")
try:
seed.decode('hex')
except:
print_error("Warning: Not hex, trying decode.")
seed = mnemonic.mn_decode( seed.split(' ') )
if not seed:
print_error("Error: No seed")
sys.exit(1)
wallet.seed = str(seed)
wallet.init_mpk( wallet.seed )
if not options.offline:
WalletSynchronizer(wallet).start()
print "Recovering wallet..."
wallet.up_to_date_event.clear()
wallet.up_to_date = False
wallet.update()
if wallet.is_found():
print "Recovery successful"
else:
print_error("Warning: Found no history for this wallet")
wallet.fill_addressbook()
wallet.save()
print_error("Wallet saved in '" + wallet.path)
else:
wallet.new_seed(None)
wallet.init_mpk( wallet.seed )
wallet.synchronize() # there is no wallet thread
wallet.save()
print "Your wallet generation seed is: " + wallet.seed
print "Please keep it in a safe place; if you lose it, you will not be able to restore your wallet."
print "Equivalently, your wallet seed can be stored and recovered with the following mnemonic code:"
print "\""+' '.join(mnemonic.mn_encode(wallet.seed))+"\""
print "Wallet saved in '%s'"%wallet.path
if password:
wallet.update_password(wallet.seed, None, password)
# check syntax
if cmd in ['payto', 'mktx']:
try:
to_address = args[1]
amount = int( 100000000 * Decimal(args[2]) )
change_addr = None
label = ' '.join(args[3:])
if options.tx_fee:
options.tx_fee = int( 100000000 * Decimal(options.tx_fee) )
except:
firstarg = cmd
cmd = 'help'
# open session
if cmd not in offline_commands and not options.offline:
WalletSynchronizer(wallet).start()
wallet.update()
wallet.save()
# check if --from_addr not in wallet (for mktx/payto)
is_temporary = False
from_addr = None
if options.from_addr:
from_addr = options.from_addr
if from_addr not in wallet.all_addresses():
is_temporary = True
# commands needing password
if cmd in protected_commands or ( cmd=='addresses' and options.show_keys):
password = prompt_password('Password:') if wallet.use_encryption and not is_temporary else None
# check password
try:
wallet.pw_decode( wallet.seed, password)
except:
print_error("Error: This password does not decode this wallet.")
exit(1)
if cmd == 'import':
keypair = args[1]
try:
wallet.import_key(keypair,password)
wallet.save()
print "Keypair imported"
except BaseException, e:
print_error("Error: Keypair import failed: " + str(e))
if cmd=='help':
cmd2 = firstarg
if cmd2 not in known_commands:
print_error("Error: Command not found.")
print "Type 'electrum help <command>' to see the help for a specific command"
print "Type 'electrum --help' to see the list of options"
print "List of commands:", ', '.join(known_commands)
else:
print known_commands[cmd2]
elif cmd == 'seed':
seed = wallet.pw_decode( wallet.seed, password)
print seed + ' "' + ' '.join(mnemonic.mn_encode(seed)) + '"'
elif cmd == 'deseed':
if not wallet.seed:
print_error("Error: This wallet has no seed")
elif wallet.use_encryption:
print_error("Error: This wallet is encrypted")
else:
ns = wallet.path + '.seed'
print "Warning: you are going to extract the seed from '%s'\nThe seed will be saved in '%s'"%(wallet.path,ns)
if raw_input("Are you sure you want to continue? (y/n) ") in ['y','Y','yes']:
f = open(ns,'w')
f.write(repr({'seed':wallet.seed, 'imported_keys':wallet.imported_keys})+"\n")
f.close()
wallet.seed = ''
for k in wallet.imported_keys.keys(): wallet.imported_keys[k] = ''
wallet.save()
print "Done."
else:
print_error("Action canceled.")
elif cmd == 'reseed':
if wallet.seed:
print "Warning: This wallet already has a seed", wallet.seed
else:
ns = wallet.path + '.seed'
try:
f = open(ns,'r')
data = f.read()
f.close()
except:
print_error("Error: Seed file not found")
sys.exit()
try:
import ast
d = ast.literal_eval( data )
seed = d['seed']
imported_keys = d.get('imported_keys',{})
except:
print_error("Error: Error with seed file")
sys.exit(1)
mpk = wallet.master_public_key
wallet.seed = seed
wallet.imported_keys = imported_keys
wallet.use_encryption = False
wallet.init_mpk(seed)
if mpk == wallet.master_public_key:
wallet.save()
print "Done: " + wallet.path
else:
print_error("Error: Master public key does not match")
elif cmd == 'validateaddress':
addr = args[1]
print wallet.is_valid(addr)
elif cmd == 'balance':
try:
addrs = args[1:]
except:
pass
if addrs == []:
c, u = wallet.get_balance()
if u:
print Decimal( c ) / 100000000 , Decimal( u ) / 100000000
else:
print Decimal( c ) / 100000000
else:
for addr in addrs:
c, u = wallet.get_addr_balance(addr)
if u:
print "%s %s, %s" % (addr, str(Decimal(c)/100000000), str(Decimal(u)/100000000))
else:
print "%s %s" % (addr, str(Decimal(c)/100000000))
elif cmd in [ 'contacts']:
for addr in wallet.addressbook:
print addr, " ", wallet.labels.get(addr)
elif cmd == 'eval':
print eval(args[1])
wallet.save()
elif cmd in [ 'addresses']:
for addr in wallet.all_addresses():
if options.show_all or not wallet.is_change(addr):
flags = wallet.get_address_flags(addr)
label = wallet.labels.get(addr,'')
if label: label = "\"%s\""%label
if options.show_balance:
h = wallet.history.get(addr,[])
#ni = no = 0
#for item in h:
# if item['is_input']: ni += 1
# else: no += 1
b = format_satoshis(wallet.get_addr_balance(addr)[0])
else: b=''
m_addr = "%34s"%addr
if options.show_keys:
m_addr += ':' + str(wallet.get_private_key_base58(addr, password))
print flags, m_addr, b, label
if cmd == 'history':
lines = wallet.get_tx_history()
b = 0
for line in lines:
import datetime
v = line['value']
b += v
try:
time_str = str( datetime.datetime.fromtimestamp( line['timestamp']))
except:
print line['timestamp']
time_str = 'pending'
label = line.get('label')
if not label: label = line['tx_hash']
else: label = label + ' '*(64 - len(label) )
print time_str , " " + label + " " + format_satoshis(v)+ " "+ format_satoshis(b)
print "# balance: ", format_satoshis(b)
elif cmd == 'label':
try:
tx = args[1]
label = ' '.join(args[2:])
except:
print_error("Error. Syntax: label <tx_hash> <text>")
sys.exit(1)
wallet.labels[tx] = label
wallet.save()
elif cmd in ['payto', 'mktx']:
if from_addr and is_temporary:
if from_addr.find(":") == -1:
keypair = from_addr + ":" + prompt_password('Private key:', False)
else:
keypair = from_addr
from_addr = keypair.split(':')[0]
if not wallet.import_key(keypair,password):
print_error("Error: Invalid key pair")
exit(1)
wallet.history[from_addr] = interface.retrieve_history(from_addr)
wallet.update_tx_history()
change_addr = from_addr
if options.change_addr:
change_addr = options.change_addr
for k, v in wallet.labels.items():
if v == to_address:
to_address = k
print "alias", to_address
break
if change_addr and v == change_addr:
change_addr = k
try:
tx = wallet.mktx( to_address, amount, label, password,
fee = options.tx_fee, change_addr = change_addr, from_addr = from_addr )
except:
import traceback
traceback.print_exc(file=sys.stdout)
tx = None
if tx and cmd=='payto':
r, h = wallet.sendtx( tx )
print h
else:
print tx
if is_temporary:
wallet.imported_keys.pop(from_addr)
del(wallet.history[from_addr])
wallet.save()
elif cmd == 'sendtx':
tx = args[1]
r, h = wallet.sendtx( tx )
print h
elif cmd == 'password':
try:
seed = wallet.pw_decode( wallet.seed, password)
except:
print_error("Error: Password does not decrypt this wallet.")
sys.exit(1)
new_password = prompt_password('New password:')
wallet.update_password(seed, password, new_password)
elif cmd == 'signmessage':
address = args[1]
message = ' '.join(args[2:])
if len(args) > 3:
print "Warning: Message was reconstructed from several arguments:", repr(message)
print wallet.sign_message(address, message, password)
elif cmd == 'verifymessage':
try:
address = args[1]
signature = args[2]
message = ' '.join(args[3:])
except:
print_error("Error: Not all parameters were given, displaying help instead.")
print known_commands[cmd]
sys.exit(1)
if len(args) > 4:
print "Warning: Message was reconstructed from several arguments:", repr(message)
try:
wallet.verify_message(address, signature, message)
print True
except:
print False
elif cmd == 'freeze':
addr = args[1]
print self.wallet.freeze(addr)
elif cmd == 'unfreeze':
addr = args[1]
print self.wallet.unfreeze(addr)
elif cmd == 'prioritize':
addr = args[1]
print self.wallet.prioritize(addr)
elif cmd == 'unprioritize':
addr = args[1]
print self.wallet.unprioritize(addr)