new protocol: the server sends serialized tx, deserialize it in the client

This commit is contained in:
thomasv 2012-11-03 09:17:40 +01:00 committed by ThomasV
parent ea42a74824
commit 4cbee7554f
6 changed files with 504 additions and 95 deletions

319
lib/deserialize.py Normal file
View File

@ -0,0 +1,319 @@
# this code comes from ABE. it can probably be simplified
#
#
from bitcoin import public_key_to_bc_address, hash_160_to_bc_address, hash_encode
#import socket
import time
import struct
#
# Workalike python implementation of Bitcoin's CDataStream class.
#
import struct
import StringIO
import mmap
class SerializationError(Exception):
""" Thrown when there's a problem deserializing or serializing """
class BCDataStream(object):
def __init__(self):
self.input = None
self.read_cursor = 0
def clear(self):
self.input = None
self.read_cursor = 0
def write(self, bytes): # Initialize with string of bytes
if self.input is None:
self.input = bytes
else:
self.input += bytes
def map_file(self, file, start): # Initialize with bytes from file
self.input = mmap.mmap(file.fileno(), 0, access=mmap.ACCESS_READ)
self.read_cursor = start
def seek_file(self, position):
self.read_cursor = position
def close_file(self):
self.input.close()
def read_string(self):
# Strings are encoded depending on length:
# 0 to 252 : 1-byte-length followed by bytes (if any)
# 253 to 65,535 : byte'253' 2-byte-length followed by bytes
# 65,536 to 4,294,967,295 : byte '254' 4-byte-length followed by bytes
# ... and the Bitcoin client is coded to understand:
# greater than 4,294,967,295 : byte '255' 8-byte-length followed by bytes of string
# ... but I don't think it actually handles any strings that big.
if self.input is None:
raise SerializationError("call write(bytes) before trying to deserialize")
try:
length = self.read_compact_size()
except IndexError:
raise SerializationError("attempt to read past end of buffer")
return self.read_bytes(length)
def write_string(self, string):
# Length-encoded as with read-string
self.write_compact_size(len(string))
self.write(string)
def read_bytes(self, length):
try:
result = self.input[self.read_cursor:self.read_cursor+length]
self.read_cursor += length
return result
except IndexError:
raise SerializationError("attempt to read past end of buffer")
return ''
def read_boolean(self): return self.read_bytes(1)[0] != chr(0)
def read_int16(self): return self._read_num('<h')
def read_uint16(self): return self._read_num('<H')
def read_int32(self): return self._read_num('<i')
def read_uint32(self): return self._read_num('<I')
def read_int64(self): return self._read_num('<q')
def read_uint64(self): return self._read_num('<Q')
def write_boolean(self, val): return self.write(chr(1) if val else chr(0))
def write_int16(self, val): return self._write_num('<h', val)
def write_uint16(self, val): return self._write_num('<H', val)
def write_int32(self, val): return self._write_num('<i', val)
def write_uint32(self, val): return self._write_num('<I', val)
def write_int64(self, val): return self._write_num('<q', val)
def write_uint64(self, val): return self._write_num('<Q', val)
def read_compact_size(self):
size = ord(self.input[self.read_cursor])
self.read_cursor += 1
if size == 253:
size = self._read_num('<H')
elif size == 254:
size = self._read_num('<I')
elif size == 255:
size = self._read_num('<Q')
return size
def write_compact_size(self, size):
if size < 0:
raise SerializationError("attempt to write size < 0")
elif size < 253:
self.write(chr(size))
elif size < 2**16:
self.write('\xfd')
self._write_num('<H', size)
elif size < 2**32:
self.write('\xfe')
self._write_num('<I', size)
elif size < 2**64:
self.write('\xff')
self._write_num('<Q', size)
def _read_num(self, format):
(i,) = struct.unpack_from(format, self.input, self.read_cursor)
self.read_cursor += struct.calcsize(format)
return i
def _write_num(self, format, num):
s = struct.pack(format, num)
self.write(s)
#
# enum-like type
# From the Python Cookbook, downloaded from http://code.activestate.com/recipes/67107/
#
import types, string, exceptions
class EnumException(exceptions.Exception):
pass
class Enumeration:
def __init__(self, name, enumList):
self.__doc__ = name
lookup = { }
reverseLookup = { }
i = 0
uniqueNames = [ ]
uniqueValues = [ ]
for x in enumList:
if type(x) == types.TupleType:
x, i = x
if type(x) != types.StringType:
raise EnumException, "enum name is not a string: " + x
if type(i) != types.IntType:
raise EnumException, "enum value is not an integer: " + i
if x in uniqueNames:
raise EnumException, "enum name is not unique: " + x
if i in uniqueValues:
raise EnumException, "enum value is not unique for " + x
uniqueNames.append(x)
uniqueValues.append(i)
lookup[x] = i
reverseLookup[i] = x
i = i + 1
self.lookup = lookup
self.reverseLookup = reverseLookup
def __getattr__(self, attr):
if not self.lookup.has_key(attr):
raise AttributeError
return self.lookup[attr]
def whatis(self, value):
return self.reverseLookup[value]
# This function comes from bitcointools, bct-LICENSE.txt.
def long_hex(bytes):
return bytes.encode('hex_codec')
# This function comes from bitcointools, bct-LICENSE.txt.
def short_hex(bytes):
t = bytes.encode('hex_codec')
if len(t) < 11:
return t
return t[0:4]+"..."+t[-4:]
def parse_TxIn(vds):
d = {}
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
scriptSig = vds.read_bytes(vds.read_compact_size())
d['sequence'] = vds.read_uint32()
d['address'] = extract_public_key(scriptSig)
#d['script'] = decode_script(scriptSig)
return d
def parse_TxOut(vds, i):
d = {}
d['value'] = vds.read_int64()
scriptPubKey = vds.read_bytes(vds.read_compact_size())
d['address'] = extract_public_key(scriptPubKey)
#d['script'] = decode_script(scriptPubKey)
d['raw_output_script'] = scriptPubKey.encode('hex')
d['index'] = i
return d
def parse_Transaction(vds):
d = {}
start = vds.read_cursor
d['version'] = vds.read_int32()
n_vin = vds.read_compact_size()
d['inputs'] = []
for i in xrange(n_vin):
d['inputs'].append(parse_TxIn(vds))
n_vout = vds.read_compact_size()
d['outputs'] = []
for i in xrange(n_vout):
d['outputs'].append(parse_TxOut(vds, i))
d['lockTime'] = vds.read_uint32()
print d
return d
opcodes = Enumeration("Opcodes", [
("OP_0", 0), ("OP_PUSHDATA1",76), "OP_PUSHDATA2", "OP_PUSHDATA4", "OP_1NEGATE", "OP_RESERVED",
"OP_1", "OP_2", "OP_3", "OP_4", "OP_5", "OP_6", "OP_7",
"OP_8", "OP_9", "OP_10", "OP_11", "OP_12", "OP_13", "OP_14", "OP_15", "OP_16",
"OP_NOP", "OP_VER", "OP_IF", "OP_NOTIF", "OP_VERIF", "OP_VERNOTIF", "OP_ELSE", "OP_ENDIF", "OP_VERIFY",
"OP_RETURN", "OP_TOALTSTACK", "OP_FROMALTSTACK", "OP_2DROP", "OP_2DUP", "OP_3DUP", "OP_2OVER", "OP_2ROT", "OP_2SWAP",
"OP_IFDUP", "OP_DEPTH", "OP_DROP", "OP_DUP", "OP_NIP", "OP_OVER", "OP_PICK", "OP_ROLL", "OP_ROT",
"OP_SWAP", "OP_TUCK", "OP_CAT", "OP_SUBSTR", "OP_LEFT", "OP_RIGHT", "OP_SIZE", "OP_INVERT", "OP_AND",
"OP_OR", "OP_XOR", "OP_EQUAL", "OP_EQUALVERIFY", "OP_RESERVED1", "OP_RESERVED2", "OP_1ADD", "OP_1SUB", "OP_2MUL",
"OP_2DIV", "OP_NEGATE", "OP_ABS", "OP_NOT", "OP_0NOTEQUAL", "OP_ADD", "OP_SUB", "OP_MUL", "OP_DIV",
"OP_MOD", "OP_LSHIFT", "OP_RSHIFT", "OP_BOOLAND", "OP_BOOLOR",
"OP_NUMEQUAL", "OP_NUMEQUALVERIFY", "OP_NUMNOTEQUAL", "OP_LESSTHAN",
"OP_GREATERTHAN", "OP_LESSTHANOREQUAL", "OP_GREATERTHANOREQUAL", "OP_MIN", "OP_MAX",
"OP_WITHIN", "OP_RIPEMD160", "OP_SHA1", "OP_SHA256", "OP_HASH160",
"OP_HASH256", "OP_CODESEPARATOR", "OP_CHECKSIG", "OP_CHECKSIGVERIFY", "OP_CHECKMULTISIG",
"OP_CHECKMULTISIGVERIFY",
("OP_SINGLEBYTE_END", 0xF0),
("OP_DOUBLEBYTE_BEGIN", 0xF000),
"OP_PUBKEY", "OP_PUBKEYHASH",
("OP_INVALIDOPCODE", 0xFFFF),
])
def script_GetOp(bytes):
i = 0
while i < len(bytes):
vch = None
opcode = ord(bytes[i])
i += 1
if opcode >= opcodes.OP_SINGLEBYTE_END:
opcode <<= 8
opcode |= ord(bytes[i])
i += 1
if opcode <= opcodes.OP_PUSHDATA4:
nSize = opcode
if opcode == opcodes.OP_PUSHDATA1:
nSize = ord(bytes[i])
i += 1
elif opcode == opcodes.OP_PUSHDATA2:
(nSize,) = struct.unpack_from('<H', bytes, i)
i += 2
elif opcode == opcodes.OP_PUSHDATA4:
(nSize,) = struct.unpack_from('<I', bytes, i)
i += 4
vch = bytes[i:i+nSize]
i += nSize
yield (opcode, vch, i)
def script_GetOpName(opcode):
return (opcodes.whatis(opcode)).replace("OP_", "")
def decode_script(bytes):
result = ''
for (opcode, vch, i) in script_GetOp(bytes):
if len(result) > 0: result += " "
if opcode <= opcodes.OP_PUSHDATA4:
result += "%d:"%(opcode,)
result += short_hex(vch)
else:
result += script_GetOpName(opcode)
return result
def match_decoded(decoded, to_match):
if len(decoded) != len(to_match):
return False;
for i in range(len(decoded)):
if to_match[i] == opcodes.OP_PUSHDATA4 and decoded[i][0] <= opcodes.OP_PUSHDATA4:
continue # Opcodes below OP_PUSHDATA4 all just push data onto stack, and are equivalent.
if to_match[i] != decoded[i][0]:
return False
return True
def extract_public_key(bytes):
decoded = [ x for x in script_GetOp(bytes) ]
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[1][1])
# The Genesis Block, self-payments, and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[0][1])
# Pay-by-Bitcoin-address TxOuts look like:
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [ opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[2][1])
return "(None)"

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@ -330,7 +330,7 @@ class ElectrumWindow(QMainWindow):
menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
def tx_details(self, tx_hash):
tx = self.wallet.tx_history.get(tx_hash)
tx = self.wallet.transactions.get(tx_hash)
if tx['height']:
conf = self.wallet.verifier.get_confirmations(tx_hash)
@ -371,7 +371,7 @@ class ElectrumWindow(QMainWindow):
return
self.is_edit=True
tx_hash = str(item.toolTip(0))
tx = self.wallet.tx_history.get(tx_hash)
tx = self.wallet.transactions.get(tx_hash)
s = self.wallet.labels.get(tx_hash)
text = unicode( item.text(2) )
if text:
@ -447,11 +447,12 @@ class ElectrumWindow(QMainWindow):
conf = 0
time_str = 'pending'
icon = QIcon(":icons/unconfirmed.png")
v = tx['value']
v = self.wallet.get_tx_value(tx_hash)
balance += v
label = self.wallet.labels.get(tx_hash)
is_default_label = (label == '') or (label is None)
if is_default_label: label = tx['default_label']
if is_default_label:
label = self.wallet.get_default_label(tx_hash)
item = QTreeWidgetItem( [ '', time_str, label, format_satoshis(v,True,self.wallet.num_zeros), format_satoshis(balance,False,self.wallet.num_zeros)] )
item.setFont(2, QFont(MONOSPACE_FONT))
@ -847,8 +848,9 @@ class ElectrumWindow(QMainWindow):
label = self.wallet.labels.get(address,'')
n = 0
h = self.wallet.history.get(address,[])
for item in h:
if not item['is_input'] : n=n+1
for tx_hash, tx_height in h:
tx = self.wallet.transactions.get(tx_hash)
if tx: n += 1
tx = "%d "%n
if n==0:
@ -910,7 +912,7 @@ class ElectrumWindow(QMainWindow):
if address in alias_targets: continue
label = self.wallet.labels.get(address,'')
n = 0
for item in self.wallet.tx_history.values():
for item in self.wallet.transactions.values():
if address in item['outputs'] : n=n+1
tx = "%d"%n
item = QTreeWidgetItem( [ address, label, tx] )
@ -1595,7 +1597,6 @@ class ElectrumGui:
waiting_dialog(waiting)
if wallet.is_found():
# history and addressbook
wallet.update_tx_history()
wallet.fill_addressbook()
print "Recovery successful"
wallet.save()

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@ -34,8 +34,10 @@ class WalletVerifier(threading.Thread):
self.interface = interface
self.transactions = [] # monitored transactions
self.interface.register_channel('verifier')
self.verified_tx = config.get('verified_tx',{})
self.verified_tx = config.get('verified_tx',{}) # height of verified tx
self.merkle_roots = config.get('merkle_roots',{}) # hashed by me
self.targets = config.get('targets',{}) # compute targets
self.lock = threading.Lock()
self.pending_headers = [] # headers that have not been verified
@ -51,11 +53,11 @@ class WalletVerifier(threading.Thread):
else:
return 0
def add(self, tx):
def add(self, tx_hash):
""" add a transaction to the list of monitored transactions. """
with self.lock:
if tx not in self.transactions:
self.transactions.append(tx)
if tx_hash not in self.transactions:
self.transactions.append(tx_hash)
def run(self):
requested_merkle = []
@ -82,14 +84,14 @@ class WalletVerifier(threading.Thread):
all_chunks = True
print_error("downloaded all chunks")
# request missing tx merkle
for tx in self.transactions:
if tx not in self.verified_tx:
if tx not in requested_merkle:
requested_merkle.append(tx)
self.request_merkle(tx)
#break
# request missing tx
if all_chunks:
for tx_hash in self.transactions:
if tx_hash not in self.verified_tx:
if self.merkle_roots.get(tx_hash) is None and tx_hash not in requested_merkle:
print_error('requesting merkle', tx_hash)
self.interface.send([ ('blockchain.transaction.get_merkle',[tx_hash]) ], 'verifier')
requested_merkle.append(tx_hash)
# process pending headers
if self.pending_headers and all_chunks:
@ -141,25 +143,20 @@ class WalletVerifier(threading.Thread):
self.pending_headers.sort(key=lambda x: x.get('block_height'))
# print "pending headers", map(lambda x: x.get('block_height'), self.pending_headers)
self.interface.trigger_callback('updated')
def request_merkle(self, tx_hash):
self.interface.send([ ('blockchain.transaction.get_merkle',[tx_hash]) ], 'verifier')
def verify_merkle(self, tx_hash, result):
tx_height = result.get('block_height')
self.merkle_roots[tx_hash] = self.hash_merkle_root(result['merkle'], tx_hash, result.get('pos'))
header = self.read_header(tx_height)
if header:
assert header.get('merkle_root') == self.merkle_roots[tx_hash]
self.verified_tx[tx_hash] = tx_height
print_error("verified %s"%tx_hash)
self.config.set_key('verified_tx', self.verified_tx, True)
if not header: return
assert header.get('merkle_root') == self.merkle_roots[tx_hash]
# we passed all the tests
self.verified_tx[tx_hash] = tx_height
print_error("verified %s"%tx_hash)
self.config.set_key('verified_tx', self.verified_tx, True)
def verify_chunk(self, index, hexdata):
data = hexdata.decode('hex')

View File

@ -1,3 +1,3 @@
ELECTRUM_VERSION = "1.2"
ELECTRUM_VERSION = "1.3"
SEED_VERSION = 4 # bump this everytime the seed generation is modified
TRANSLATION_ID = 32150 # version of the wiki page

View File

@ -64,7 +64,6 @@ class Wallet:
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
@ -73,10 +72,13 @@ class Wallet:
self.receipts = config.get('receipts',{}) # signed URIs
self.addressbook = config.get('contacts', []) # outgoing addresses, for payments
self.imported_keys = config.get('imported_keys',{})
self.history = config.get('history',{}) # address -> list(txid, height, timestamp)
self.transactions = config.get('transactions',{}) # txid -> deserialised
# not saved
self.prevout_values = {}
self.spent_outputs = []
self.receipt = None # next receipt
self.tx_history = {}
self.banner = ''
# spv
@ -91,14 +93,18 @@ class Wallet:
self.lock = threading.Lock()
self.tx_event = threading.Event()
self.update_tx_history()
if self.seed_version != SEED_VERSION:
raise ValueError("This wallet seed is deprecated. Please run upgrade.py for a diagnostic.")
for tx_hash in self.transactions.keys():
self.update_tx_outputs(tx_hash)
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):
@ -348,8 +354,8 @@ class Wallet:
return (len(self.change_addresses) > 1 ) or ( len(self.addresses) > self.gap_limit )
def fill_addressbook(self):
for tx in self.tx_history.values():
if tx['value']<0:
for tx_hash, tx in self.transactions.items():
if self.get_tx_value(tx_hash)<0:
for i in tx['outputs']:
if not self.is_mine(i) and i not in self.addressbook:
self.addressbook.append(i)
@ -363,13 +369,51 @@ class Wallet:
return flags
def get_tx_value(self, tx_hash, addresses = None):
# return the balance for that tx
if addresses is None: addresses = self.all_addresses()
v = 0
d = self.transactions.get(tx_hash)
if not d: return 0
for item in d.get('inputs'):
addr = item.get('address')
if addr in addresses:
key = item['prevout_hash'] + ':%d'%item['prevout_n']
value = self.prevout_values[ key ]
v -= value
for item in d.get('outputs'):
addr = item.get('address')
if addr in addresses:
value = item.get('value')
v += value
return v
def update_tx_outputs(self, tx_hash):
tx = self.transactions.get(tx_hash)
for item in tx.get('outputs'):
value = item.get('value')
key = tx_hash+ ':%d'%item.get('index')
with self.lock:
self.prevout_values[key] = value
for item in tx.get('inputs'):
if self.is_mine(item.get('address')):
key = item['prevout_hash'] + ':%d'%item['prevout_n']
self.spent_outputs.append(key)
def get_addr_balance(self, addr):
assert self.is_mine(addr)
h = self.history.get(addr,[])
c = u = 0
for item in h:
v = item['value']
if item['height']:
for tx_hash, tx_height in h:
v = self.get_tx_value(tx_hash, [addr])
if tx_height:
c += v
else:
u += v
@ -399,28 +443,35 @@ class Wallet:
if i in domain: domain.remove(i)
for addr in domain:
h = self.history.get(addr)
if h is None: continue
for item in h:
if item.get('raw_output_script'):
coins.append( (addr,item))
h = self.history.get(addr, [])
for tx_hash, tx_height, in h:
tx = self.transactions.get(tx_hash)
for output in tx.get('outputs'):
if output.get('address') != addr: continue
key = tx_hash + ":%d" % output.get('index')
if key in self.spent_outputs: continue
output['tx_hash'] = tx_hash
coins.append(output)
coins = sorted( coins, key = lambda x: x[1]['timestamp'] )
#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))
h = self.history.get(addr, [])
for tx_hash, tx_height, in h:
for output in tx.get('outputs'):
if output.get('address') != addr: continue
key = tx_hash + ":%d" % output.get('index')
if key in self.spent_outputs: continue
output['tx_hash'] = tx_hash
prioritized_coins.append(output)
prioritized_coins = sorted( prioritized_coins, key = lambda x: x[1]['timestamp'] )
#prioritized_coins = sorted( prioritized_coins, key = lambda x: x[1]['timestamp'] )
inputs = []
coins = prioritized_coins + coins
for c in coins:
addr, item = c
for item in coins:
addr = item.get('address')
v = item.get('value')
total += v
inputs.append((addr, v, item['tx_hash'], item['index'], item['raw_output_script'], None, None) )
@ -474,35 +525,46 @@ class Wallet:
else:
return s
def get_status(self, address):
with self.lock:
h = self.history.get(address)
if not h:
status = None
else:
lastpoint = h[-1]
status = lastpoint['block_hash']
if status == 'mempool':
status = status + ':%d'% len(h)
return status
if not h: return None
status = ''
for tx_hash, height in h:
status += tx_hash + ':%d:' % height
return hashlib.sha256( status ).digest().encode('hex')
def receive_history_callback(self, addr, data):
def receive_tx_callback(self, tx_hash, d):
#print "updating history for", addr
with self.lock:
self.history[addr] = data
self.update_tx_history()
self.transactions[tx_hash] = d
if self.verifier: self.verifier.add(tx_hash)
self.update_tx_outputs(tx_hash)
self.save()
def receive_history_callback(self, addr, hist):
#print "updating history for", addr
with self.lock:
self.history[addr] = hist
self.save()
def get_tx_history(self):
with self.lock:
lines = self.tx_history.values()
lines = self.transactions.values()
lines = sorted(lines, key=operator.itemgetter("timestamp"))
return lines
def get_transactions_at_height(self, height):
with self.lock:
values = self.tx_history.values()[:]
values = self.transactions.values()[:]
out = []
for tx in values:
@ -510,42 +572,27 @@ class Wallet:
out.append(tx['tx_hash'])
return out
def update_tx_history(self):
self.tx_history= {}
for addr in self.all_addresses():
h = self.history.get(addr)
if h is None: continue
for tx in h:
tx_hash = tx['tx_hash']
line = self.tx_history.get(tx_hash)
if not line:
self.tx_history[tx_hash] = copy.copy(tx)
line = self.tx_history.get(tx_hash)
else:
line['value'] += tx['value']
if line['height'] == 0:
line['timestamp'] = 1e12
else:
if self.verifier: self.verifier.add(tx_hash)
self.update_tx_labels()
def update_tx_labels(self):
for tx in self.tx_history.values():
def get_default_label(self, tx_hash):
tx = self.transactions.get(tx_hash)
if tx:
default_label = ''
if tx['value']<0:
for o_addr in tx['outputs']:
if self.get_tx_value(tx_hash)<0:
for o in tx['outputs']:
o_addr = o.get('address')
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']:
for o in tx['outputs']:
o_addr = o.get('address')
if self.is_mine(o_addr) and not self.is_change(o_addr):
break
else:
for o_addr in tx['outputs']:
for o in tx['outputs']:
o_addr = o.get('address')
if self.is_mine(o_addr):
break
else:
@ -558,7 +605,8 @@ class Wallet:
except KeyError:
default_label = o_addr
tx['default_label'] = default_label
return 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):
@ -811,6 +859,7 @@ class Wallet:
'frozen_addresses': self.frozen_addresses,
'prioritized_addresses': self.prioritized_addresses,
'gap_limit': self.gap_limit,
'transactions': self.transactions,
}
for k, v in s.items():
self.config.set_key(k,v)
@ -818,7 +867,9 @@ class Wallet:
def set_verifier(self, verifier):
self.verifier = verifier
self.update_tx_history()
for tx_hash in self.transactions.keys():
self.verifier.add(tx_hash)
@ -862,6 +913,7 @@ class WalletSynchronizer(threading.Thread):
def run(self):
requested_tx = []
# wait until we are connected, in case the user is not connected
while not self.interface.is_connected:
@ -897,9 +949,28 @@ class WalletSynchronizer(threading.Thread):
elif method == 'blockchain.address.get_history':
addr = params[0]
self.wallet.receive_history_callback(addr, result)
hist = []
# in the new protocol, we will receive a list of (tx_hash, height)
for tx in result: hist.append( (tx['tx_hash'], tx['height']) )
# store it
self.wallet.receive_history_callback(addr, hist)
# request transactions that we don't have
for tx_hash, tx_height in hist:
if self.wallet.transactions.get(tx_hash) is None and tx_hash not in requested_tx:
self.interface.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], 'synchronizer')
requested_tx.append(tx_hash)
elif method == 'blockchain.transaction.get':
tx_hash = params[0]
tx_height = params[1]
header = self.wallet.verifier.read_header(tx_height)
timestamp = header.get('timestamp')
tx = result
self.receive_tx(tx_hash, tx_height, timestamp, tx)
requested_tx.remove(tx_hash)
self.was_updated = True
elif method == 'blockchain.transaction.broadcast':
self.wallet.tx_result = result
self.wallet.tx_event.set()
@ -916,3 +987,20 @@ class WalletSynchronizer(threading.Thread):
self.was_updated = False
def receive_tx(self, tx_hash, tx_height, timestamp, raw_tx):
assert tx_hash == hash_encode(Hash(raw_tx.decode('hex')))
import deserialize, BCDataStream
# deserialize
vds = BCDataStream.BCDataStream()
vds.write(raw_tx.decode('hex'))
d = deserialize.parse_Transaction(vds)
d['height'] = tx_height
d['tx_hash'] = tx_hash
d['timestamp'] = timestamp
d['default_label'] = tx_hash
print d
self.wallet.receive_tx_callback(tx_hash, d)

View File

@ -29,6 +29,10 @@ def hash_header(res):
def verify_tx(tx_hash):
rawtx = i.synchronous_get([ ('blockchain.transaction.get',[tx_hash]) ])[0]
print rawtx
return
res = i.synchronous_get([ ('blockchain.transaction.get_merkle',[tx_hash]) ])[0]
merkle_root = hash_merkle_root(res['merkle'], tx_hash, res['pos'])
tx_height = res.get('block_height')