#!/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, sys, getpass
from optparse import OptionParser
from wallet import Wallet
from interface import Interface
# URL decode
_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
if __name__ == '__main__':
known_commands = ['help', 'validateaddress', 'balance', 'contacts', 'create', 'payto', 'sendtx', 'password', 'newaddress', 'addresses', 'history', 'label', 'gui', 'mktx','seed','import','signmessage','verifymessage']
usage = "usage: %prog [options] command args\nCommands: "+ (', '.join(known_commands))
parser = OptionParser(usage=usage)
parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path (default: electrum.dat)")
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")
options, args = parser.parse_args()
try:
cmd = args[0]
except:
cmd = "gui"
try:
firstarg = args[1]
except:
firstarg = ''
interface = Interface()
wallet = Wallet(interface)
wallet.set_path(options.wallet_path)
if cmd == 'gui' or re.match('^bitcoin:', cmd):
import gui
gui.init_wallet(wallet)
gui = gui.BitcoinGUI(wallet)
if re.match('^bitcoin:', cmd):
o = cmd[8:].split('?')
address = o[0]
if len(o)>1:
params = o[1].split('&')
else:
params = []
amount = label = signature = identity = ''
for p in params:
k,v = p.split('=')
uv = urldecode(v)
if k=='amount': amount = uv
elif k=='label': label = uv
elif k =='signature': signature = uv
elif k =='identity':
identity = uv
if not wallet.is_valid(identity):
import urllib
url = 'http://'+identity+'/bitcoin.id'
try:
identity = urllib.urlopen(url).read().strip()
except:
# no need to display something, the signature verification will fail anyway
pass
else: print k,v
if k in ['identity','signature']:
cmd = cmd.replace('&%s=%s'%(k,v),'')
gui.set_send_tab(address, amount, label)
if signature:
if not wallet.verify_message(identity, signature, cmd ):
gui.show_message('Warning: the URI contains a bad signature.\nThe identity of the recipient cannot be verified.\nPay at your own risks!')
gui.main()
wallet.save()
sys.exit(0)
if cmd not in known_commands:
cmd = 'help'
if not wallet.read() and cmd not in ['help','create']:
print "Wallet file not found."
print "Type 'electrum.py create' to create a new wallet, or provide a path to a wallet with the -d option"
sys.exit(0)
if cmd == 'create':
if wallet.read():
print "remove the existing wallet first!"
sys.exit(0)
password = getpass.getpass("Password (hit return if you do not wish to encrypt your wallet):")
if password:
password2 = getpass.getpass("Confirm password:")
if password != password2:
print "error"
sys.exit(1)
else:
password = None
host = raw_input("server (default:%s):"%wallet.interface.host)
port = raw_input("port (default:%d):"%wallet.interface.port)
fee = raw_input("fee (default:%f):"%(wallet.fee*1e-8))
if fee: wallet.fee = float(fee)
if host: wallet.interface.host = host
if port: wallet.interface.port = int(port)
seed = raw_input("if you are restoring an existing wallet, enter the seed. otherwise just press enter: ")
wallet.gap_limit = 5
if seed:
wallet.seed = seed
gap = raw_input("gap limit (default 5):")
if gap: wallet.gap_limit = int(gap)
print "recovering wallet..."
wallet.synchronize()
if wallet.is_found():
wallet.fill_addressbook()
wallet.save()
print "recovery successful"
else:
print "no wallet found"
else:
wallet.new_seed(None)
print "Your seed is", wallet.seed
print "Please store it safely"
# generate first key
wallet.synchronize()
# check syntax
if cmd in ['payto', 'mktx']:
try:
to_address = args[1]
amount = int( 100000000 * Decimal(args[2]) )
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 ['password', 'mktx', 'history', 'label', 'contacts', 'help', 'validateaddress', 'signmessage', 'verifymessage']:
wallet.interface.new_session(wallet.all_addresses(), wallet.electrum_version)
wallet.update()
wallet.save()
# commands needing password
if cmd in ['payto', 'password', 'mktx', 'seed', 'import','signmessage' ] or ( cmd=='addresses' and options.show_keys):
password = getpass.getpass('Password:') if wallet.use_encryption else None
# check password
try:
wallet.pw_decode( wallet.seed, password)
except:
print "invalid password"
exit(1)
if cmd == 'import':
keypair = args[1]
if wallet.import_key(keypair,password):
print "keypair imported"
else:
print "error"
wallet.save()
if cmd=='help':
cmd2 = firstarg
if cmd2 not in known_commands:
print "known commands:", ', '.join(known_commands)
print "help shows the help on a specific command"
elif cmd2 == 'balance':
print "Display the balance of your wallet or a specific address. The address does not have to be a owned address (you know the private key)."
print "syntax: balance []"
elif cmd2 == 'contacts':
print "show your list of contacts"
elif cmd2 == 'payto':
print "payto [label]"
print "create and broadcast a transaction."
print " can be a bitcoin address or a label"
elif cmd2== 'sendtx':
print "sendtx "
print "broadcast a transaction to the network. must be in hexadecimal"
elif cmd2 == 'password':
print "change your password"
elif cmd2 == 'newaddress':
print "create a new receiving address. password is needed."
elif cmd2 == 'addresses':
print "show your list of addresses. options: -a, -k, -b"
elif cmd2 == 'history':
print "show the transaction history"
elif cmd2 == 'label':
print "assign a label to an item"
elif cmd2 == 'gui':
print "start the GUI"
elif cmd2 == 'mktx':
print "create a signed transaction. password protected"
print "syntax: mktx [label]"
elif cmd2 == 'seed':
print "show generation seed of your wallet. password protected."
elif cmd == 'seed':
import mnemonic
seed = wallet.pw_decode( wallet.seed, password)
print seed, '"'+' '.join(mnemonic.mn_encode(seed))+'"'
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 c*1e-8, u*1e-8
else:
print c*1e-8
else:
for addr in addrs:
c, u = wallet.get_addr_balance(addr)
if u:
print "%s %s, %s" % (addr, c*1e-8, u*1e-8)
else:
print "%s %s" % (addr, c*1e-8)
elif cmd in [ 'contacts']:
for addr in wallet.addressbook:
print addr, " ", wallet.labels.get(addr)
elif cmd in [ 'addresses']:
for addr in wallet.all_addresses():
if options.show_all or not wallet.is_change(addr):
label = wallet.labels.get(addr)
_type = ''
if wallet.is_change(addr): _type = "[change]"
if addr in wallet.imported_keys.keys(): _type = "[imported]"
if label is None: label = ''
if options.show_balance:
h = wallet.history.get(addr,[])
ni = no = 0
for item in h:
if item['is_in']: ni += 1
else: no += 1
b = "%d %d %f"%(no, ni, wallet.get_addr_balance(addr)[0]*1e-8)
else: b=''
if options.show_keys:
pk = wallet.get_private_key2(addr, password)
addr = addr + ':' + SecretToASecret(pk)
print addr, b, _type, label
if cmd == 'history':
lines = wallet.get_tx_history()
b = 0
for line in lines:
import datetime
v = 1.*line['value']/1e8
b += v
v_str = "%f"%v if v<0 else "+%f"%v
try:
time_str = datetime.datetime.fromtimestamp( line['nTime'])
except:
print line['nTime']
time_str = 'pending'
label = line.get('label')
if not label: label = line['tx_hash']
else: label = label + ' '*(64 - len(label) )
print time_str, " ", label, " ", v_str, " ", "%f"%b
print "# balance: ", b
elif cmd == 'label':
try:
tx = args[1]
label = ' '.join(args[2:])
except:
print "syntax: label "
sys.exit(1)
wallet.labels[tx] = label
wallet.save()
elif cmd in ['payto', 'mktx']:
for k, v in wallet.labels.items():
if v == to_address:
to_address = k
print "alias", to_address
break
try:
tx = wallet.mktx( to_address, amount, label, password, fee = options.tx_fee )
except BaseException, e:
print e
tx = None
if tx and cmd=='payto':
r, h = wallet.sendtx( tx )
print h
else:
print tx
elif cmd == 'sendtx':
tx = args[1]
r, h = wallet.sendtx( tx )
print h
elif cmd == 'newaddress':
s, a = wallet.get_new_address()
print a
elif cmd == 'password':
try:
seed = wallet.pw_decode( wallet.seed, password)
except:
print "sorry"
sys.exit(1)
new_password = getpass.getpass('New password:')
if new_password == getpass.getpass('Confirm new password:'):
wallet.use_encryption = (new_password != '')
wallet.seed = wallet.pw_encode( seed, new_password)
for k in wallet.imported_keys.keys():
a = wallet.imported_keys[k]
b = wallet.pw_decode(a, password)
c = wallet.pw_encode(b, new_password)
wallet.imported_keys[k] = c
wallet.save()
else:
print "error: mismatch"
elif cmd == 'signmessage':
address, message = args[1:3]
print wallet.sign_message(address, message, password)
elif cmd == 'verifymessage':
address, signature, message = args[1:4]
print wallet.verify_message(address, signature, message)