# 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 sys
+import base64
+import os
+import re
+import hashlib
+import copy
+import operator
+import ast
+import threading
+import random
+import aes
+import ecdsa
+import Queue
+import time
-import sys, base64, os, re, hashlib, copy, operator, ast, threading, random
-import aes, ecdsa
from ecdsa.util import string_to_number, number_to_string
-
-############ functions from pywallet #####################
-
-addrtype = 0
-
-def hash_160(public_key):
- try:
- md = hashlib.new('ripemd160')
- md.update(hashlib.sha256(public_key).digest())
- return md.digest()
- except:
- import ripemd
- md = ripemd.new(hashlib.sha256(public_key).digest())
- return md.digest()
-
-
-def public_key_to_bc_address(public_key):
- h160 = hash_160(public_key)
- return hash_160_to_bc_address(h160)
-
-def hash_160_to_bc_address(h160):
- vh160 = chr(addrtype) + h160
- h = Hash(vh160)
- addr = vh160 + h[0:4]
- return b58encode(addr)
-
-def bc_address_to_hash_160(addr):
- bytes = b58decode(addr, 25)
- return bytes[1:21]
-
-__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
-__b58base = len(__b58chars)
-
-def b58encode(v):
- """ encode v, which is a string of bytes, to base58.
- """
-
- long_value = 0L
- for (i, c) in enumerate(v[::-1]):
- long_value += (256**i) * ord(c)
-
- result = ''
- while long_value >= __b58base:
- div, mod = divmod(long_value, __b58base)
- result = __b58chars[mod] + result
- long_value = div
- result = __b58chars[long_value] + result
-
- # Bitcoin does a little leading-zero-compression:
- # leading 0-bytes in the input become leading-1s
- nPad = 0
- for c in v:
- if c == '\0': nPad += 1
- else: break
-
- return (__b58chars[0]*nPad) + result
-
-def b58decode(v, length):
- """ decode v into a string of len bytes
- """
- long_value = 0L
- for (i, c) in enumerate(v[::-1]):
- long_value += __b58chars.find(c) * (__b58base**i)
-
- result = ''
- while long_value >= 256:
- div, mod = divmod(long_value, 256)
- result = chr(mod) + result
- long_value = div
- result = chr(long_value) + result
-
- nPad = 0
- for c in v:
- if c == __b58chars[0]: nPad += 1
- else: break
-
- result = chr(0)*nPad + result
- if length is not None and len(result) != length:
- return None
-
- return result
-
-
-def Hash(data):
- return hashlib.sha256(hashlib.sha256(data).digest()).digest()
-
-def EncodeBase58Check(vchIn):
- hash = Hash(vchIn)
- return b58encode(vchIn + hash[0:4])
-
-def DecodeBase58Check(psz):
- vchRet = b58decode(psz, None)
- key = vchRet[0:-4]
- csum = vchRet[-4:]
- hash = Hash(key)
- cs32 = hash[0:4]
- if cs32 != csum:
- return None
- else:
- return key
-
-def PrivKeyToSecret(privkey):
- return privkey[9:9+32]
-
-def SecretToASecret(secret):
- vchIn = chr(addrtype+128) + secret
- return EncodeBase58Check(vchIn)
-
-def ASecretToSecret(key):
- vch = DecodeBase58Check(key)
- if vch and vch[0] == chr(addrtype+128):
- return vch[1:]
- else:
- return False
-
-########### end pywallet functions #######################
+from util import print_error, user_dir, format_satoshis
+from bitcoin import *
# 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)
-
-def int_to_hex(i, length=1):
- s = hex(i)[2:].rstrip('L')
- s = "0"*(2*length - len(s)) + s
- return s.decode('hex')[::-1].encode('hex')
-
-
-# AES
+# AES encryption
EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
-
-# secp256k1, http://www.oid-info.com/get/1.3.132.0.10
-_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2FL
-_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141L
-_b = 0x0000000000000000000000000000000000000000000000000000000000000007L
-_a = 0x0000000000000000000000000000000000000000000000000000000000000000L
-_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798L
-_Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8L
-curve_secp256k1 = ecdsa.ellipticcurve.CurveFp( _p, _a, _b )
-generator_secp256k1 = ecdsa.ellipticcurve.Point( curve_secp256k1, _Gx, _Gy, _r )
-oid_secp256k1 = (1,3,132,0,10)
-SECP256k1 = ecdsa.curves.Curve("SECP256k1", curve_secp256k1, generator_secp256k1, oid_secp256k1 )
-
-
-def filter(s):
- out = re.sub('( [^\n]*|)\n','',s)
- out = out.replace(' ','')
- out = out.replace('\n','')
- return out
-
-def raw_tx( inputs, outputs, for_sig = None ):
- s = int_to_hex(1,4) + ' version\n'
- s += int_to_hex( len(inputs) ) + ' number of inputs\n'
- for i in range(len(inputs)):
- _, _, p_hash, p_index, p_script, pubkey, sig = inputs[i]
- s += p_hash.decode('hex')[::-1].encode('hex') + ' prev hash\n'
- s += int_to_hex(p_index,4) + ' prev index\n'
- if for_sig is None:
- sig = sig + chr(1) # hashtype
- script = int_to_hex( len(sig)) + ' push %d bytes\n'%len(sig)
- script += sig.encode('hex') + ' sig\n'
- pubkey = chr(4) + pubkey
- script += int_to_hex( len(pubkey)) + ' push %d bytes\n'%len(pubkey)
- script += pubkey.encode('hex') + ' pubkey\n'
- elif for_sig==i:
- script = p_script + ' scriptsig \n'
- else:
- script=''
- s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
- s += script
- s += "ffffffff" + ' sequence\n'
- s += int_to_hex( len(outputs) ) + ' number of outputs\n'
- for output in outputs:
- addr, amount = output
- s += int_to_hex( amount, 8) + ' amount: %d\n'%amount
- script = '76a9' # op_dup, op_hash_160
- script += '14' # push 0x14 bytes
- script += bc_address_to_hash_160(addr).encode('hex')
- script += '88ac' # op_equalverify, op_checksig
- s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
- s += script + ' script \n'
- s += int_to_hex(0,4) # lock time
- if for_sig is not None: s += int_to_hex(1, 4) # hash type
- return s
-
-
-
-
-def format_satoshis(x, is_diff=False, num_zeros = 0):
- from decimal import Decimal
- s = str( Decimal(x) /100000000 )
- if is_diff and x>0:
- s = "+" + s
- if not '.' in s: s += '.'
- p = s.find('.')
- s += "0"*( 1 + num_zeros - ( len(s) - p ))
- s += " "*( 9 - ( len(s) - p ))
- s = " "*( 5 - ( p )) + s
- return s
-
-
from version import ELECTRUM_VERSION, SEED_VERSION
-from interface import DEFAULT_SERVERS
-
-
class Wallet:
- def __init__(self, gui_callback = lambda: None):
+ def __init__(self, config={}):
+ self.config = config
self.electrum_version = ELECTRUM_VERSION
- self.seed_version = SEED_VERSION
- self.gui_callback = gui_callback
-
- self.gap_limit = 5 # configuration
- self.fee = 100000
- self.num_zeros = 0
- self.master_public_key = ''
# saved fields
- self.use_encryption = False
- self.addresses = [] # receiving addresses visible for user
- self.change_addresses = [] # addresses used as change
- self.seed = '' # encrypted
- self.history = {}
- self.labels = {} # labels for addresses and transactions
- self.aliases = {} # aliases for addresses
- self.authorities = {} # trusted addresses
- self.frozen_addresses = []
-
- self.receipts = {} # signed URIs
- self.receipt = None # next receipt
- self.addressbook = [] # outgoing addresses, for payments
+ self.seed_version = config.get('seed_version', SEED_VERSION)
+ self.gap_limit = config.get('gap_limit', 5)
+ self.use_change = config.get('use_change',True)
+ self.fee = int(config.get('fee',100000))
+ self.num_zeros = int(config.get('num_zeros',0))
+ self.master_public_key = config.get('master_public_key','')
+ self.use_encryption = config.get('use_encryption', False)
+ self.addresses = config.get('addresses', []) # receiving addresses visible for user
+ self.change_addresses = config.get('change_addresses', []) # addresses used as change
+ self.seed = config.get('seed', '') # encrypted
+ self.history = config.get('history',{})
+ self.labels = config.get('labels',{}) # labels for addresses and transactions
+ self.aliases = config.get('aliases', {}) # aliases for addresses
+ self.authorities = config.get('authorities', {}) # trusted addresses
+ self.frozen_addresses = config.get('frozen_addresses',[])
+ self.prioritized_addresses = config.get('prioritized_addresses',[])
+ self.receipts = config.get('receipts',{}) # signed URIs
+ self.addressbook = config.get('contacts', []) # outgoing addresses, for payments
+ self.imported_keys = config.get('imported_keys',{})
# not saved
+ self.receipt = None # next receipt
self.tx_history = {}
-
- self.imported_keys = {}
- self.remote_url = None
-
self.was_updated = True
self.blocks = -1
self.banner = ''
- # there is a difference between self.up_to_date and self.is_up_to_date()
- # self.is_up_to_date() returns true when all requests have been answered and processed
- # self.up_to_date is true when the wallet is synchronized (stronger requirement)
+ # there is a difference between wallet.up_to_date and interface.is_up_to_date()
+ # interface.is_up_to_date() returns true when all requests have been answered and processed
+ # wallet.up_to_date is true when the wallet is synchronized (stronger requirement)
self.up_to_date_event = threading.Event()
self.up_to_date_event.clear()
self.up_to_date = False
self.lock = threading.Lock()
self.tx_event = threading.Event()
- self.pick_random_server()
-
-
-
- def pick_random_server(self):
- self.server = random.choice( DEFAULT_SERVERS ) # random choice when the wallet is created
-
- def is_up_to_date(self):
- return self.interface.responses.empty() and not self.interface.unanswered_requests
-
- def set_server(self, server):
- # raise an error if the format isnt correct
- a,b,c = server.split(':')
- b = int(b)
- assert c in ['t','h','n']
- # set the server
- if server != self.server:
- self.server = server
- self.save()
- self.interface.is_connected = False # this exits the polling loop
- self.interface.poke()
-
- def set_path(self, wallet_path):
-
- if wallet_path is not None:
- self.path = wallet_path
- else:
- # backward compatibility: look for wallet file in the default data directory
- if "HOME" in os.environ:
- wallet_dir = os.path.join( os.environ["HOME"], '.electrum')
- elif "LOCALAPPDATA" in os.environ:
- wallet_dir = os.path.join( os.environ["LOCALAPPDATA"], 'Electrum' )
- elif "APPDATA" in os.environ:
- wallet_dir = os.path.join( os.environ["APPDATA"], 'Electrum' )
- else:
- raise BaseException("No home directory found in environment variables.")
+ self.update_tx_history()
+ if self.seed_version != SEED_VERSION:
+ raise ValueError("This wallet seed is deprecated. Please run upgrade.py for a diagnostic.")
- if not os.path.exists( wallet_dir ): os.mkdir( wallet_dir )
- self.path = os.path.join( wallet_dir, 'electrum.dat' )
+ def init_up_to_date(self):
+ self.up_to_date_event.clear()
+ self.up_to_date = False
def import_key(self, keypair, password):
address, key = keypair.split(':')
- if not self.is_valid(address): return False
- if address in self.all_addresses(): return False
+ if not self.is_valid(address):
+ raise BaseException('Invalid Bitcoin address')
+ if address in self.all_addresses():
+ raise BaseException('Address already in wallet')
b = ASecretToSecret( key )
- if not b: return False
+ if not b:
+ raise BaseException('Unsupported key format')
secexp = int( b.encode('hex'), 16)
private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve=SECP256k1 )
# sanity check
public_key = private_key.get_verifying_key()
- if not address == public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() ): return False
+ if not address == public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() ):
+ raise BaseException('Address does not match private key')
self.imported_keys[address] = self.pw_encode( key, password )
- return True
+
def new_seed(self, password):
seed = "%032x"%ecdsa.util.randrange( pow(2,128) )
curve = SECP256k1
secexp = self.stretch_key(seed)
master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 )
- self.master_public_key = master_private_key.get_verifying_key().to_string()
+ self.master_public_key = master_private_key.get_verifying_key().to_string().encode('hex')
def all_addresses(self):
return self.addresses + self.change_addresses + self.imported_keys.keys()
return string_to_number( seed )
def get_sequence(self,n,for_change):
- return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.master_public_key ) )
+ return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.master_public_key.decode('hex') ) )
def get_private_key_base58(self, address, password):
pk = self.get_private_key(address, password)
if address in self.imported_keys.keys():
b = self.pw_decode( self.imported_keys[address], password )
+ if not b: return None
b = ASecretToSecret( b )
secexp = int( b.encode('hex'), 16)
else:
for_change = True
else:
raise BaseException("unknown address")
- if not self.seed: return None
try:
seed = self.pw_decode( self.seed, password)
except:
raise BaseException("Invalid password")
+ if not seed: return None
secexp = self.stretch_key(seed)
secexp = ( secexp + self.get_sequence(n,for_change) ) % order
continue
else:
raise BaseException("error: cannot sign message")
-
-
+
+
def verify_message(self, address, signature, message):
""" See http://www.secg.org/download/aid-780/sec1-v2.pdf for the math """
from ecdsa import numbertheory, ellipticcurve, util
sig = base64.b64decode(signature)
if len(sig) != 65: raise BaseException("Wrong encoding")
r,s = util.sigdecode_string(sig[1:], order)
- recid = ord(sig[0]) - 27
+ nV = ord(sig[0])
+ if nV < 27 or nV >= 35:
+ raise BaseException("Bad encoding")
+ if nV >= 31:
+ compressed = True
+ nV -= 4
+ else:
+ compressed = False
+
+ recid = nV - 27
# 1.1
x = r + (recid/2) * order
# 1.3
# check that Q is the public key
public_key.verify_digest( sig[1:], h, sigdecode = ecdsa.util.sigdecode_string)
# check that we get the original signing address
- addr = public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() )
- # print addr
+ addr = public_key_to_bc_address( encode_point(public_key, compressed) )
if address != addr:
- print "bad signature"
raise BaseException("Bad signature")
def create_new_address(self, for_change):
- """ Publickey(type,n) = Master_public_key + H(n|S|type)*point """
- curve = SECP256k1
n = len(self.change_addresses) if for_change else len(self.addresses)
- z = self.get_sequence(n,for_change)
- master_public_key = ecdsa.VerifyingKey.from_string( self.master_public_key, curve = SECP256k1 )
- pubkey_point = master_public_key.pubkey.point + z*curve.generator
- public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
- address = public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() )
+ address = self.get_new_address(n, for_change)
if for_change:
self.change_addresses.append(address)
else:
self.addresses.append(address)
-
self.history[address] = []
+ return address
+
+ def get_new_address(self, n, for_change):
+ """ Publickey(type,n) = Master_public_key + H(n|S|type)*point """
+ curve = SECP256k1
+ z = self.get_sequence(n, for_change)
+ master_public_key = ecdsa.VerifyingKey.from_string( self.master_public_key.decode('hex'), curve = SECP256k1 )
+ pubkey_point = master_public_key.pubkey.point + z*curve.generator
+ public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
+ address = public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() )
print address
return address
+
+ def change_gap_limit(self, value):
+ if value >= self.gap_limit:
+ self.gap_limit = value
+ self.save()
+ self.interface.poke()
+ return True
+
+ elif value >= self.min_acceptable_gap():
+ k = self.num_unused_trailing_addresses()
+ n = len(self.addresses) - k + value
+ self.addresses = self.addresses[0:n]
+ self.gap_limit = value
+ self.save()
+ return True
+ else:
+ return False
+
+ def num_unused_trailing_addresses(self):
+ k = 0
+ for a in self.addresses[::-1]:
+ if self.history.get(a):break
+ k = k + 1
+ return k
+
+ def min_acceptable_gap(self):
+ # fixme: this assumes wallet is synchronized
+ n = 0
+ nmax = 0
+ k = self.num_unused_trailing_addresses()
+ for a in self.addresses[0:-k]:
+ if self.history.get(a):
+ n = 0
+ else:
+ n += 1
+ if n > nmax: nmax = n
+ return nmax + 1
def synchronize(self):
else:
new_addresses.append( self.create_new_address(False) )
- if self.remote_url:
- num = self.get_remote_number()
- while len(self.addresses)<num:
- new_addresses.append( self.create_new_address(False) )
-
return new_addresses
- def get_remote_number(self):
- import jsonrpclib
- server = jsonrpclib.Server(self.remote_url)
- out = server.getnum()
- return out
-
- def get_remote_mpk(self):
- import jsonrpclib
- server = jsonrpclib.Server(self.remote_url)
- out = server.getkey()
- return out
-
def is_found(self):
return (len(self.change_addresses) > 1 ) or ( len(self.addresses) > self.gap_limit )
self.update_tx_labels()
- def save(self):
- s = {
- 'seed_version':self.seed_version,
- 'use_encryption':self.use_encryption,
- 'master_public_key': self.master_public_key.encode('hex'),
- 'fee':self.fee,
- 'server':self.server,
- 'seed':self.seed,
- 'addresses':self.addresses,
- 'change_addresses':self.change_addresses,
- 'history':self.history,
- 'labels':self.labels,
- 'contacts':self.addressbook,
- 'imported_keys':self.imported_keys,
- 'aliases':self.aliases,
- 'authorities':self.authorities,
- 'receipts':self.receipts,
- 'num_zeros':self.num_zeros,
- 'frozen_addresses':self.frozen_addresses,
- }
- f = open(self.path,"w")
- f.write( repr(s) )
- f.close()
-
- def read(self):
- import interface
-
- upgrade_msg = """This wallet seed is deprecated. Please run upgrade.py for a diagnostic."""
- self.file_exists = False
- try:
- f = open(self.path,"r")
- data = f.read()
- f.close()
- except:
- return
- data = interface.old_to_new(data)
- try:
- d = ast.literal_eval( data )
- self.seed_version = d.get('seed_version')
- self.master_public_key = d.get('master_public_key').decode('hex')
- self.use_encryption = d.get('use_encryption')
- self.fee = int( d.get('fee') )
- self.seed = d.get('seed')
- self.server = d.get('server')
- #blocks = d.get('blocks')
- self.addresses = d.get('addresses')
- self.change_addresses = d.get('change_addresses')
- self.history = d.get('history')
- self.labels = d.get('labels')
- self.addressbook = d.get('contacts')
- self.imported_keys = d.get('imported_keys',{})
- self.aliases = d.get('aliases',{})
- self.authorities = d.get('authorities',{})
- self.receipts = d.get('receipts',{})
- self.num_zeros = d.get('num_zeros',0)
- self.frozen_addresses = d.get('frozen_addresses',[])
- except:
- raise BaseException("cannot read wallet file")
-
- self.update_tx_history()
-
- if self.seed_version != SEED_VERSION:
- raise BaseException(upgrade_msg)
-
- if self.remote_url: assert self.master_public_key.encode('hex') == self.get_remote_mpk()
-
- self.file_exists = True
-
-
+ def get_address_flags(self, addr):
+ flags = "C" if self.is_change(addr) else "I" if addr in self.imported_keys.keys() else "-"
+ flags += "F" if addr in self.frozen_addresses else "P" if addr in self.prioritized_addresses else "-"
+ return flags
def get_addr_balance(self, addr):
fee = self.fee if fixed_fee is None else fixed_fee
coins = []
+ prioritized_coins = []
domain = [from_addr] if from_addr else self.all_addresses()
for i in self.frozen_addresses:
if i in domain: domain.remove(i)
+ for i in self.prioritized_addresses:
+ if i in domain: domain.remove(i)
+
for addr in domain:
h = self.history.get(addr)
if h is None: continue
coins.append( (addr,item))
coins = sorted( coins, key = lambda x: x[1]['timestamp'] )
+
+ for addr in self.prioritized_addresses:
+ h = self.history.get(addr)
+ if h is None: continue
+ for item in h:
+ if item.get('raw_output_script'):
+ prioritized_coins.append( (addr,item))
+
+ prioritized_coins = sorted( prioritized_coins, key = lambda x: x[1]['timestamp'] )
+
inputs = []
+ coins = prioritized_coins + coins
+
for c in coins:
addr, item = c
v = item.get('value')
fee = self.fee*len(inputs) if fixed_fee is None else fixed_fee
if total >= amount + fee: break
else:
- #print "not enough funds: %d %d"%(total, fee)
+ #print "not enough funds: %s %s"%(format_satoshis(total), format_satoshis(fee))
inputs = []
return inputs, total, fee
try:
d.decode('hex')
except:
- raise BaseException("Invalid password")
+ raise ValueError("Invalid password")
return d
else:
return s
def get_status(self, address):
- h = self.history.get(address)
+ with self.lock:
+ h = self.history.get(address)
if not h:
status = None
else:
status = status + ':%d'% len(h)
return status
- def receive_status_callback(self, addr, status):
- with self.lock:
- if self.get_status(addr) != status:
- #print "updating status for", addr, status
- self.interface.get_history(addr)
def receive_history_callback(self, addr, data):
#print "updating history for", addr
self.save()
def get_tx_history(self):
- lines = self.tx_history.values()
+ with self.lock:
+ lines = self.tx_history.values()
lines = sorted(lines, key=operator.itemgetter("timestamp"))
return lines
+ def get_tx_hashes(self):
+ with self.lock:
+ hashes = self.tx_history.keys()
+ return hashes
+
+ def get_transactions_at_height(self, height):
+ with self.lock:
+ values = self.tx_history.values()[:]
+
+ out = []
+ for tx in values:
+ if tx['height'] == height:
+ out.append(tx['tx_hash'])
+ return out
+
def update_tx_history(self):
self.tx_history= {}
for addr in self.all_addresses():
default_label = ''
if tx['value']<0:
for o_addr in tx['outputs']:
- if not self.is_change(o_addr):
- dest_label = self.labels.get(o_addr)
- if dest_label:
- default_label = 'to: ' + dest_label
- else:
- default_label = 'to: ' + o_addr
+ if not self.is_mine(o_addr):
+ try:
+ default_label = self.labels[o_addr]
+ except KeyError:
+ default_label = o_addr
else:
for o_addr in tx['outputs']:
if self.is_mine(o_addr) and not self.is_change(o_addr):
- dest_label = self.labels.get(o_addr)
- if dest_label:
- default_label = 'at: ' + dest_label
- else:
- default_label = 'at: ' + o_addr
+ break
+ else:
+ for o_addr in tx['outputs']:
+ if self.is_mine(o_addr):
+ break
+ else:
+ o_addr = None
+
+ if o_addr:
+ dest_label = self.labels.get(o_addr)
+ try:
+ default_label = self.labels[o_addr]
+ except KeyError:
+ default_label = o_addr
+
tx['default_label'] = default_label
def mktx(self, to_address, amount, label, password, fee=None, change_addr=None, from_addr= None):
if not self.is_valid(to_address):
- raise BaseException("Invalid address")
+ raise ValueError("Invalid address")
inputs, total, fee = self.choose_tx_inputs( amount, fee, from_addr )
if not inputs:
- raise BaseException("Not enough funds")
+ raise ValueError("Not enough funds")
+
+ if not self.use_change and not change_addr:
+ change_addr = inputs[0][0]
+ print "Sending change to", change_addr
+
outputs = self.choose_tx_outputs( to_address, amount, fee, total, change_addr )
s_inputs = self.sign_inputs( inputs, outputs, password )
return tx
def sendtx(self, tx):
- tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
+ # synchronous
+ h = self.send_tx(tx)
+ self.tx_event.wait()
+ self.receive_tx(h)
+
+ def send_tx(self, tx):
+ # asynchronous
self.tx_event.clear()
+ tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
self.interface.send([('blockchain.transaction.broadcast', [tx])])
- self.tx_event.wait()
+ return tx_hash
+
+ def receive_tx(self,tx_hash):
out = self.tx_result
if out != tx_hash:
return False, "error: " + out
m1 = re.match('([\w\-\.]+)@((\w[\w\-]+\.)+[\w\-]+)', alias)
m2 = re.match('((\w[\w\-]+\.)+[\w\-]+)', alias)
if m1:
- url = 'http://' + m1.group(2) + '/bitcoin.id/' + m1.group(1)
+ url = 'https://' + m1.group(2) + '/bitcoin.id/' + m1.group(1)
elif m2:
- url = 'http://' + alias + '/bitcoin.id'
+ url = 'https://' + alias + '/bitcoin.id'
else:
return ''
try:
self.verify_message(previous, signature, "alias:%s:%s"%(alias,target))
if not self.is_valid(target):
- raise BaseException("Invalid bitcoin address")
+ raise ValueError("Invalid bitcoin address")
return target, signing_addr, auth_name
- def update_password(self, seed, new_password):
+ def update_password(self, seed, old_password, new_password):
if new_password == '': new_password = None
self.use_encryption = (new_password != None)
self.seed = self.pw_encode( seed, new_password)
for k in self.imported_keys.keys():
a = self.imported_keys[k]
- b = self.pw_decode(a, password)
+ b = self.pw_decode(a, old_password)
c = self.pw_encode(b, new_password)
self.imported_keys[k] = c
self.save()
except BaseException, e:
# raise exception if verify fails (verify the chain)
if interactive:
- show_message("Alias error: " + e.message)
+ show_message("Alias error: " + str(e))
return
print target, signing_address, auth_name
else:
print k,v
+ if label and self.labels.get(address) != label:
+ if question('Give label "%s" to address %s ?'%(label,address)):
+ if address not in self.addressbook and address not in self.all_addresses():
+ self.addressbook.append(address)
+ self.labels[address] = label
+
if signature:
if re.match('^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$', identity):
signing_address = self.get_alias(identity, True, show_message, question)
def update(self):
- self.interface.poke()
- self.up_to_date_event.wait()
+ self.interface.poke('synchronizer')
+ self.up_to_date_event.wait(10000000000)
+
+ def freeze(self,addr):
+ if addr in self.all_addresses() and addr not in self.frozen_addresses:
+ self.unprioritize(addr)
+ self.frozen_addresses.append(addr)
+ self.config.set_key('frozen_addresses', self.frozen_addresses, True)
+ return True
+ else:
+ return False
- def start_session(self, interface):
- self.interface = interface
- self.interface.send([('server.banner',[]), ('blockchain.numblocks.subscribe',[]), ('server.peers.subscribe',[])])
- self.interface.subscribe(self.all_addresses())
+ def unfreeze(self,addr):
+ if addr in self.all_addresses() and addr in self.frozen_addresses:
+ self.frozen_addresses.remove(addr)
+ self.config.set_key('frozen_addresses', self.frozen_addresses, True)
+ return True
+ else:
+ return False
+ def prioritize(self,addr):
+ if addr in self.all_addresses() and addr not in self.prioritized_addresses:
+ self.unfreeze(addr)
+ self.prioritized_addresses.append(addr)
+ self.config.set_key('prioritized_addresses', self.prioritized_addresses, True)
+ return True
+ else:
+ return False
+
+ def unprioritize(self,addr):
+ if addr in self.all_addresses() and addr in self.prioritized_addresses:
+ self.prioritized_addresses.remove(addr)
+ self.config.set_key('prioritized_addresses', self.prioritized_addresses, True)
+ return True
+ else:
+ return False
+
+ def save(self):
+ s = {
+ 'seed_version': self.seed_version,
+ 'use_encryption': self.use_encryption,
+ 'use_change': self.use_change,
+ 'master_public_key': self.master_public_key,
+ 'fee': self.fee,
+ 'seed': self.seed,
+ 'addresses': self.addresses,
+ 'change_addresses': self.change_addresses,
+ 'history': self.history,
+ 'labels': self.labels,
+ 'contacts': self.addressbook,
+ 'imported_keys': self.imported_keys,
+ 'aliases': self.aliases,
+ 'authorities': self.authorities,
+ 'receipts': self.receipts,
+ 'num_zeros': self.num_zeros,
+ 'frozen_addresses': self.frozen_addresses,
+ 'prioritized_addresses': self.prioritized_addresses,
+ 'gap_limit': self.gap_limit,
+ }
+ for k, v in s.items():
+ self.config.set_key(k,v)
+ self.config.save()
+
+
+
+
+
+
+class WalletSynchronizer(threading.Thread):
+
+
+ def __init__(self, wallet, config):
+ threading.Thread.__init__(self)
+ self.daemon = True
+ self.wallet = wallet
+ self.interface = self.wallet.interface
+ self.interface.register_channel('synchronizer')
+ self.wallet.interface.register_callback('connected', self.wallet.init_up_to_date)
+ self.wallet.interface.register_callback('connected', lambda: self.interface.send([('server.banner',[])],'synchronizer') )
+
+ def synchronize_wallet(self):
+ new_addresses = self.wallet.synchronize()
+ if new_addresses:
+ self.subscribe_to_addresses(new_addresses)
+
+ if self.interface.is_up_to_date('synchronizer'):
+ if not self.wallet.up_to_date:
+ self.wallet.up_to_date = True
+ self.wallet.was_updated = True
+ self.wallet.up_to_date_event.set()
+ else:
+ if self.wallet.up_to_date:
+ self.wallet.up_to_date = False
+ self.wallet.was_updated = True
+
+
+
+ def subscribe_to_addresses(self, addresses):
+ messages = []
+ for addr in addresses:
+ messages.append(('blockchain.address.subscribe', [addr]))
+ self.interface.send( messages, 'synchronizer')
+
+
+ def run(self):
+
+ # wait until we are connected, in case the user is not connected
+ while not self.interface.is_connected:
+ time.sleep(1)
+
+ # request banner, because 'connected' event happens before this thread is started
+ self.interface.send([('server.banner',[])],'synchronizer')
+
+ # subscriptions
+ self.interface.send([('blockchain.numblocks.subscribe',[])], 'synchronizer')
+ self.interface.send([('server.peers.subscribe',[])],'synchronizer')
+ self.subscribe_to_addresses(self.wallet.all_addresses())
+
+ while True:
+ # 1. send new requests
+ self.synchronize_wallet()
+
+ if self.wallet.was_updated:
+ self.interface.trigger_callback('updated')
+ self.wallet.was_updated = False
+
+ # 2. get a response
+ r = self.interface.get_response('synchronizer')
+ if not r: continue
+
+ # 3. handle response
+ method = r['method']
+ params = r['params']
+ result = r['result']
+
+ if method == 'blockchain.address.subscribe':
+ addr = params[0]
+ if self.wallet.get_status(addr) != result:
+ self.interface.send([('blockchain.address.get_history', [address] )])
+
+ elif method == 'blockchain.address.get_history':
+ addr = params[0]
+ self.wallet.receive_history_callback(addr, result)
+ self.wallet.was_updated = True
+
+ elif method == 'blockchain.transaction.broadcast':
+ self.wallet.tx_result = result
+ self.wallet.tx_event.set()
+
+ elif method == 'blockchain.numblocks.subscribe':
+ self.wallet.blocks = result
+ self.wallet.was_updated = True
+
+ elif method == 'server.version':
+ pass
+
+ elif method == 'server.peers.subscribe':
+ servers = []
+ for item in result:
+ s = []
+ host = item[1]
+ ports = []
+ version = None
+ if len(item) > 2:
+ for v in item[2]:
+ if re.match("[stgh]\d+", v):
+ ports.append((v[0], v[1:]))
+ if re.match("v(.?)+", v):
+ version = v[1:]
+ if ports and version:
+ servers.append((host, ports))
+ self.interface.servers = servers
+ self.interface.trigger_callback('peers')
+
+ elif method == 'server.banner':
+ self.wallet.banner = result
+ self.wallet.was_updated = True
+
+ else:
+ print_error("Error: Unknown message:" + method + ", " + repr(params) + ", " + repr(result) )
+ if self.wallet.was_updated:
+ self.interface.trigger_callback('updated')
+ self.wallet.was_updated = False