#!/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 .
import re
import sys, os, time, ast
import optparse
import platform
try:
import ecdsa
except ImportError:
sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
try:
import aes
except ImportError:
sys.exit("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
try:
from lib import *
except ImportError:
from electrum import *
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 [
]",
'contacts': "Show your list of contacts",
'create':'Create a wallet',
'restore':'Restore a wallet',
'payto':"""Create and broadcast a transaction.
Syntax: payto [label]
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 \n 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 ',
'mktx':
"""Create a signed transaction, password protected.
Syntax: mktx [label]
options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address -\n --changeaddr, -c: send change to address
""",
'signtx':"Sign an unsigned transaction created by a deseeded wallet\nSyntax: signtx ",
'seed':
"Print the generation seed of your wallet.",
'importprivkey':
'Import a private key\nSyntax: importprivkey ',
'signmessage':
'Signs a message with a key\nSyntax: signmessage \nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello This is a weird String "',
'verifymessage':
'Verifies a signature\nSyntax: verifymessage \nIf you want to lead or end a message with spaces, or want double spaces inside the message make sure you quote the string. I.e. " Hello This is a weird String "',
'eval':
"Run python eval() on an object\nSyntax: eval \nExample: eval \"wallet.aliases\"",
'get':
"Get config parameter.",
'set':
"Set config parameter.",
'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':'',
'dumpprivkey':'',
'createmultisig':'similar to bitcoind\'s command',
'createrawtransaction':'similar to bitcoind\'s command',
'decoderawtransaction':'similar to bitcoind\'s command',
'signrawtransaction':'similar to bitcoind\'s command',
}
offline_commands = [ 'password', 'mktx', 'signtx',
'label', 'contacts',
'help', 'validateaddress',
'signmessage', 'verifymessage',
'eval', 'set', 'get', 'create', 'addresses',
'importprivkey', 'seed',
'deseed','reseed',
'freeze','unfreeze',
'prioritize','unprioritize',
'createmultisig', 'createrawtransaction', 'decoderawtransaction', 'signrawtransaction'
]
protected_commands = ['payto', 'password', 'mktx', 'signtx', 'seed', 'importprivkey','signmessage', 'signrawtransaction','dumpprivkey' ]
# get password routine
def prompt_password(prompt, confirm=True):
import getpass
if sys.stdin.isatty():
password = getpass.getpass(prompt)
if password and confirm:
password2 = getpass.getpass("Confirm: ")
if password != password2:
sys.exit("Error: Passwords do not match.")
else:
password = raw_input(prompt)
if not password:
password = None
return password
def arg_parser():
usage = "usage: %prog [options] command\nCommands: "+ (', '.join(known_commands))
parser = optparse.OptionParser(prog=usage)
parser.add_option("-g", "--gui", dest="gui", help="User interface: qt, lite, gtk or text")
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("-F", "--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("-s", "--server", dest="server", default=None, help="set server host:port:protocol, where protocol is t or h")
parser.add_option("-p", "--proxy", dest="proxy", default=None, help="set proxy [type:]host[:port], where type is socks4,socks5 or http")
parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False, help="show debugging information")
parser.add_option("-P", "--portable", action="store_true", dest="portable", default=False, help="portable wallet")
parser.add_option("-L", "--lang", dest="language", default=None, help="defaut language used in GUI")
parser.add_option("-u", "--usb", dest="bitkey", action="store_true", help="Turn on support for hardware wallets (EXPERIMENTAL)")
return parser
if __name__ == '__main__':
parser = arg_parser()
options, args = parser.parse_args()
set_verbosity(options.verbose)
# config is an object passed to the various constructors (wallet, interface, gui)
if 'ANDROID_DATA' in os.environ:
config_options = {'wallet_path':"/sdcard/electrum.dat", 'portable':True, 'verbose':True, 'gui':'android'}
else:
config_options = eval(str(options))
for k, v in config_options.items():
if v is None: config_options.pop(k)
# Wallet migration on Electrum 1.7
# Todo: In time we could remove this again
if platform.system() == "Windows":
util.check_windows_wallet_migration()
config = SimpleConfig(config_options)
wallet = Wallet(config)
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 ''
#this entire if/else block is just concerned with importing the
#right GUI toolkit based the GUI command line option given
if cmd == 'gui':
pref_gui = config.get('gui','classic')
if pref_gui == 'gtk':
try:
import lib.gui as gui
except ImportError:
import electrum.gui as gui
elif pref_gui in ['classic', 'qt']:
try:
import lib.gui_qt as gui
except ImportError:
import electrum.gui_qt as gui
elif pref_gui == 'lite':
try:
import lib.gui_lite as gui
except ImportError:
import electrum.gui_lite as gui
elif pref_gui == 'text':
try:
import lib.gui_text as gui
except ImportError:
import electrum.gui_text as gui
elif pref_gui == 'android':
try:
import lib.gui_android as gui
except ImportError:
import electrum.gui_android as gui
else:
sys.exit("Error: Unknown GUI: " + pref_gui )
interface = Interface(config, True)
wallet.interface = interface
interface.start()
if interface.is_connected:
interface.send([('server.peers.subscribe',[])])
set_language(config.get('language'))
gui = gui.ElectrumGui(wallet, config)
found = config.wallet_file_exists
if not found:
a = gui.restore_or_create()
if not a: exit()
# select a server.
s = gui.network_dialog()
if a =='create':
wallet.init_seed(None)
else:
# ask for seed and gap.
sg = gui.seed_dialog()
if not sg: exit()
seed, gap = sg
if not seed: exit()
wallet.gap_limit = gap
if len(seed) == 128:
wallet.seed = ''
wallet.master_public_key = seed
else:
wallet.init_seed(str(seed))
# generate the first addresses, in case we are offline
if s is None or a == 'create':
wallet.synchronize()
if a == 'create':
# display seed
gui.show_seed()
verifier = WalletVerifier(interface, config)
wallet.set_verifier(verifier)
synchronizer = WalletSynchronizer(wallet, config)
synchronizer.start()
if not found and a == 'restore' and s is not None:
try:
keep_it = gui.restore_wallet()
wallet.fill_addressbook()
except:
import traceback
traceback.print_exc(file=sys.stdout)
exit()
if not keep_it: exit()
if not found:
gui.password_dialog()
wallet.save()
verifier.start()
gui.main(url)
wallet.save()
verifier.stop()
synchronizer.stop()
interface.stop()
# we use daemon threads, their termination is enforced.
# this sleep command gives them time to terminate cleanly.
time.sleep(0.1)
sys.exit(0)
if cmd not in known_commands:
cmd = 'help'
if not config.wallet_file_exists and cmd not in ['help','create','restore']:
print_msg("Error: Wallet file not found.")
print_msg("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 config.wallet_file_exists:
sys.exit("Error: Remove the existing wallet first!")
password = prompt_password("Password (hit return if you do not wish to encrypt your wallet):")
server = config.get('server')
if not server: server = pick_random_server()
w_host, w_port, w_protocol = 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.config.set_key('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_decode( seed.split(' ') )
if not seed:
sys.exit("Error: No seed")
if len(seed) == 128:
wallet.seed = None
wallet.master_public_key = seed
else:
wallet.seed = str(seed)
wallet.init_mpk( wallet.seed )
if not options.offline:
interface = Interface(config)
interface.start()
wallet.interface = interface
verifier = WalletVerifier(interface, config)
wallet.set_verifier(verifier)
print_msg("Recovering wallet...")
WalletSynchronizer(wallet, config).start()
wallet.update()
if wallet.is_found():
print_msg("Recovery successful")
else:
print_msg("Warning: Found no history for this wallet")
else:
wallet.synchronize()
wallet.fill_addressbook()
wallet.save()
print_msg("Wallet saved in '%s'"%wallet.config.path)
else:
wallet.init_seed(None)
wallet.synchronize() # there is no wallet thread
wallet.save()
print_msg("Your wallet generation seed is: " + wallet.seed)
print_msg("Please keep it in a safe place; if you lose it, you will not be able to restore your wallet.")
print_msg("Equivalently, your wallet seed can be stored and recovered with the following mnemonic code:")
print_msg("\""+' '.join(mnemonic_encode(wallet.seed))+"\"")
print_msg("Wallet saved in '%s'"%wallet.config.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:
interface = Interface(config)
interface.register_callback('connected', lambda: sys.stderr.write("Connected to " + interface.connection_msg + "\n"))
interface.start()
wallet.interface = interface
synchronizer = WalletSynchronizer(wallet, config)
synchronizer.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
# important warning
if cmd=='addresses' and options.show_keys:
print_msg("WARNING: ALL your private keys are secret.")
print_msg("Exposing a single private key can compromise your entire wallet!")
print_msg("In particular, DO NOT use 'redeem private key' services proposed by third parties.")
# commands needing password
if cmd in protected_commands or ( cmd=='addresses' and options.show_keys):
if wallet.use_encryption and not is_temporary:
password = prompt_password('Password:', False)
if not password:
print_msg("Error: Password required")
exit(1)
# check password
try:
seed = wallet.decode_seed(password)
except:
print_msg("Error: This password does not decode this wallet.")
exit(1)
else:
password = None
seed = wallet.seed
if cmd == 'importprivkey':
# See if they specificed a key on the cmd line, if not prompt
if len(args) > 1:
sec = args[1]
else:
sec = prompt_password('Enter PrivateKey (will not echo):', False)
try:
addr = wallet.import_key(sec,password)
wallet.save()
print_msg("Keypair imported: ", addr)
except BaseException as e:
print_msg("Error: Keypair import failed: " + str(e))
if cmd == 'help':
cmd2 = firstarg
if cmd2 not in known_commands:
parser.print_help()
print_msg("Type 'electrum help ' to see the help for a specific command")
print_msg("Type 'electrum --help' to see the list of options")
print_msg("List of commands:", ', '.join(known_commands))
else:
print_msg(known_commands[cmd2])
elif cmd == 'seed':
print_msg(seed + ' "' + ' '.join(mnemonic_encode(seed)) + '"')
elif cmd == 'deseed':
if not wallet.seed:
print_msg("Error: This wallet has no seed")
elif wallet.use_encryption:
print_msg("Error: This wallet is encrypted")
else:
ns = wallet.config.path + '.seed'
print_msg("Warning: you are going to extract the seed from '%s'\nThe seed will be saved in '%s'"%(wallet.config.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_msg("Done.")
else:
print_msg("Action canceled.")
elif cmd == 'reseed':
if wallet.seed:
print_msg("Warning: This wallet already has a seed", wallet.seed)
else:
ns = wallet.config.path + '.seed'
try:
f = open(ns,'r')
data = f.read()
f.close()
except IOError:
sys.exit("Error: Seed file not found")
try:
d = ast.literal_eval( data )
seed = d['seed']
imported_keys = d.get('imported_keys',{})
except:
sys.exit("Error: Error with seed file")
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_msg("Done: " + wallet.config.path)
else:
print_msg("Error: Master public key does not match")
elif cmd == 'validateaddress':
addr = args[1]
print_msg(wallet.is_valid(addr))
elif cmd == 'balance':
try:
addrs = args[1:]
except:
pass
if addrs == []:
c, u = wallet.get_balance()
if u:
print_msg(Decimal( c ) / 100000000 , Decimal( u ) / 100000000)
else:
print_msg(Decimal( c ) / 100000000)
else:
for addr in addrs:
c, u = wallet.get_addr_balance(addr)
if u:
print_msg("%s %s, %s" % (addr, str(Decimal(c)/100000000), str(Decimal(u)/100000000)))
else:
print_msg("%s %s" % (addr, str(Decimal(c)/100000000)))
elif cmd in [ 'contacts']:
for addr in wallet.addressbook:
print_msg(addr, " ", wallet.labels.get(addr))
elif cmd == 'eval':
print_msg(eval(args[1]))
wallet.save()
elif cmd == 'get':
key = args[1]
print_msg(wallet.config.get(key))
elif cmd == 'set':
key, value = args[1:3]
if key not in ['seed', 'seed_version', 'master_public_key', 'use_encryption']:
wallet.config.set_key(key, value, True)
print_msg(True)
else:
print_msg(False)
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_msg(flags, m_addr, b, label)
if cmd == 'history':
import datetime
for item in wallet.get_tx_history():
tx_hash, conf, is_mine, value, fee, balance, timestamp = item
try:
time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
except:
time_str = "----"
label, is_default_label = wallet.get_label(tx_hash)
if not label: label = tx_hash
else: label = label + ' '*(64 - len(label) )
print_msg("%17s"%time_str, " " + label + " " + format_satoshis(value)+ " "+ format_satoshis(balance))
print_msg("# balance: ", format_satoshis(balance))
elif cmd == 'label':
try:
tx = args[1]
label = ' '.join(args[2:])
except:
print_msg("Error. Syntax: label ")
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_msg("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_msg("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_msg(h)
else:
print_msg(tx)
if is_temporary:
wallet.imported_keys.pop(from_addr)
del(wallet.history[from_addr])
wallet.save()
elif cmd == 'signtx':
filename = args[1]
f = open(filename, 'r')
d = ast.literal_eval(f.read())
f.close()
inputs = d['inputs']
outputs = d['outputs']
tx = wallet.signed_tx( inputs, outputs, password )
print_msg(tx)
elif cmd == 'sendtx':
tx = args[1]
r, h = wallet.sendtx( tx )
print_msg(h)
elif cmd == 'password':
new_password = prompt_password('New password:')
wallet.update_password(seed, password, new_password)
elif cmd == 'signmessage':
if len(args) < 3:
print_msg("Error: Invalid usage of signmessage.")
print_msg(known_commands[cmd])
sys.exit(1)
address = args[1]
message = ' '.join(args[2:])
if len(args) > 3:
print_msg("Warning: Message was reconstructed from several arguments:", repr(message))
print_msg(wallet.sign_message(address, message, password))
elif cmd == 'verifymessage':
try:
address = args[1]
signature = args[2]
message = ' '.join(args[3:])
except:
print_msg("Error: Not all parameters were given, displaying help instead.")
print_msg(known_commands[cmd])
sys.exit(1)
if len(args) > 4:
print_msg("Warning: Message was reconstructed from several arguments:", repr(message))
try:
wallet.verify_message(address, signature, message)
print_msg(True)
except BaseException as e:
print_error("Verification error: {0}".format(e))
print_msg(False)
elif cmd == 'freeze':
addr = args[1]
print_msg(wallet.freeze(addr))
elif cmd == 'unfreeze':
addr = args[1]
print_msg(wallet.unfreeze(addr))
elif cmd == 'prioritize':
addr = args[1]
print_msg(wallet.prioritize(addr))
elif cmd == 'unprioritize':
addr = args[1]
print_msg(wallet.unprioritize(addr))
elif cmd == 'dumpprivkey':
addr = args[1]
sec = wallet.get_private_key_base58(addr, password)
print_msg( sec )
elif cmd == 'createmultisig':
from lib.bitcoin import *
num = int(args[1])
pubkeys = ast.literal_eval(args[2])
assert isinstance(pubkeys,list)
s = multisig_script(pubkeys, num)
out = { "address": hash_160_to_bc_address(hash_160(s.decode('hex')), 5), "redeemScript":s }
print_json(out)
elif cmd == 'createrawtransaction':
inputs = ast.literal_eval(args[1])
outputs = ast.literal_eval(args[2])
# convert to own format
for i in inputs:
i['tx_hash'] = i['txid']
i['index'] = i['vout']
outputs = map(lambda x: (x[0],int(1e8*x[1])), outputs.items())
tx = Transaction.from_io(inputs, outputs)
print_msg( tx )
elif cmd == 'decoderawtransaction':
tx = Transaction(args[1])
print_json( tx.deserialize() )
elif cmd == 'signrawtransaction':
tx = Transaction(args[1])
txouts = ast.literal_eval(args[2]) if len(args)>2 else []
private_keys = ast.literal_eval(args[3]) if len(args)>3 else {}
# lookup addresses
for txin in tx.inputs:
txid = txin["prevout_hash"]
index = txin["prevout_n"]
utx = wallet.transactions.get(txid)
txout = utx['outputs'][index]
txin['address'] = txout['address']
txin['raw_output_script'] = txout['raw_output_script']
# convert to own format
txin['tx_hash'] = txin['prevout_hash']
txin['index'] = txin['prevout_n']
if not private_keys:
for txin in tx.inputs:
addr = txin['address']
private_keys[addr] = wallet.get_private_key_base58(addr, password)
else:
pk = {}
for sec in private_keys:
address = bitcoin.address_from_private_key(sec)
pk[address] = sec
private_keys = pk
tx.sign( private_keys )
print_msg(tx)
if cmd not in offline_commands and not options.offline:
synchronizer.stop()