new protocol: the server sends serialized tx, deserialize it in the client
This commit is contained in:
parent
ea42a74824
commit
4cbee7554f
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@ -0,0 +1,319 @@
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# this code comes from ABE. it can probably be simplified
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#
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#
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from bitcoin import public_key_to_bc_address, hash_160_to_bc_address, hash_encode
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#import socket
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import time
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import struct
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#
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# Workalike python implementation of Bitcoin's CDataStream class.
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#
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import struct
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import StringIO
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import mmap
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class SerializationError(Exception):
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""" Thrown when there's a problem deserializing or serializing """
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class BCDataStream(object):
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def __init__(self):
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self.input = None
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self.read_cursor = 0
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def clear(self):
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self.input = None
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self.read_cursor = 0
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def write(self, bytes): # Initialize with string of bytes
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if self.input is None:
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self.input = bytes
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else:
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self.input += bytes
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def map_file(self, file, start): # Initialize with bytes from file
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self.input = mmap.mmap(file.fileno(), 0, access=mmap.ACCESS_READ)
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self.read_cursor = start
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def seek_file(self, position):
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self.read_cursor = position
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def close_file(self):
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self.input.close()
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def read_string(self):
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# Strings are encoded depending on length:
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# 0 to 252 : 1-byte-length followed by bytes (if any)
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# 253 to 65,535 : byte'253' 2-byte-length followed by bytes
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# 65,536 to 4,294,967,295 : byte '254' 4-byte-length followed by bytes
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# ... and the Bitcoin client is coded to understand:
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# greater than 4,294,967,295 : byte '255' 8-byte-length followed by bytes of string
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# ... but I don't think it actually handles any strings that big.
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if self.input is None:
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raise SerializationError("call write(bytes) before trying to deserialize")
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try:
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length = self.read_compact_size()
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except IndexError:
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raise SerializationError("attempt to read past end of buffer")
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return self.read_bytes(length)
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def write_string(self, string):
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# Length-encoded as with read-string
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self.write_compact_size(len(string))
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self.write(string)
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def read_bytes(self, length):
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try:
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result = self.input[self.read_cursor:self.read_cursor+length]
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self.read_cursor += length
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return result
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except IndexError:
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raise SerializationError("attempt to read past end of buffer")
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return ''
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def read_boolean(self): return self.read_bytes(1)[0] != chr(0)
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def read_int16(self): return self._read_num('<h')
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def read_uint16(self): return self._read_num('<H')
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def read_int32(self): return self._read_num('<i')
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def read_uint32(self): return self._read_num('<I')
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def read_int64(self): return self._read_num('<q')
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def read_uint64(self): return self._read_num('<Q')
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def write_boolean(self, val): return self.write(chr(1) if val else chr(0))
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def write_int16(self, val): return self._write_num('<h', val)
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def write_uint16(self, val): return self._write_num('<H', val)
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def write_int32(self, val): return self._write_num('<i', val)
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def write_uint32(self, val): return self._write_num('<I', val)
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def write_int64(self, val): return self._write_num('<q', val)
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def write_uint64(self, val): return self._write_num('<Q', val)
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def read_compact_size(self):
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size = ord(self.input[self.read_cursor])
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self.read_cursor += 1
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if size == 253:
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size = self._read_num('<H')
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elif size == 254:
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size = self._read_num('<I')
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elif size == 255:
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size = self._read_num('<Q')
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return size
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def write_compact_size(self, size):
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if size < 0:
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raise SerializationError("attempt to write size < 0")
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elif size < 253:
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self.write(chr(size))
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elif size < 2**16:
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self.write('\xfd')
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self._write_num('<H', size)
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elif size < 2**32:
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self.write('\xfe')
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self._write_num('<I', size)
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elif size < 2**64:
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self.write('\xff')
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self._write_num('<Q', size)
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def _read_num(self, format):
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(i,) = struct.unpack_from(format, self.input, self.read_cursor)
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self.read_cursor += struct.calcsize(format)
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return i
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def _write_num(self, format, num):
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s = struct.pack(format, num)
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self.write(s)
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#
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# enum-like type
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# From the Python Cookbook, downloaded from http://code.activestate.com/recipes/67107/
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#
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import types, string, exceptions
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class EnumException(exceptions.Exception):
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pass
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class Enumeration:
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def __init__(self, name, enumList):
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self.__doc__ = name
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lookup = { }
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reverseLookup = { }
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i = 0
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uniqueNames = [ ]
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uniqueValues = [ ]
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for x in enumList:
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if type(x) == types.TupleType:
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x, i = x
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if type(x) != types.StringType:
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raise EnumException, "enum name is not a string: " + x
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if type(i) != types.IntType:
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raise EnumException, "enum value is not an integer: " + i
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if x in uniqueNames:
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raise EnumException, "enum name is not unique: " + x
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if i in uniqueValues:
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raise EnumException, "enum value is not unique for " + x
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uniqueNames.append(x)
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uniqueValues.append(i)
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lookup[x] = i
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reverseLookup[i] = x
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i = i + 1
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self.lookup = lookup
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self.reverseLookup = reverseLookup
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def __getattr__(self, attr):
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if not self.lookup.has_key(attr):
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raise AttributeError
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return self.lookup[attr]
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def whatis(self, value):
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return self.reverseLookup[value]
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# This function comes from bitcointools, bct-LICENSE.txt.
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def long_hex(bytes):
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return bytes.encode('hex_codec')
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# This function comes from bitcointools, bct-LICENSE.txt.
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def short_hex(bytes):
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t = bytes.encode('hex_codec')
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if len(t) < 11:
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return t
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return t[0:4]+"..."+t[-4:]
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def parse_TxIn(vds):
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d = {}
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d['prevout_hash'] = hash_encode(vds.read_bytes(32))
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d['prevout_n'] = vds.read_uint32()
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scriptSig = vds.read_bytes(vds.read_compact_size())
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d['sequence'] = vds.read_uint32()
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d['address'] = extract_public_key(scriptSig)
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#d['script'] = decode_script(scriptSig)
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return d
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def parse_TxOut(vds, i):
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d = {}
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d['value'] = vds.read_int64()
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scriptPubKey = vds.read_bytes(vds.read_compact_size())
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d['address'] = extract_public_key(scriptPubKey)
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#d['script'] = decode_script(scriptPubKey)
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d['raw_output_script'] = scriptPubKey.encode('hex')
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d['index'] = i
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return d
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def parse_Transaction(vds):
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d = {}
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start = vds.read_cursor
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d['version'] = vds.read_int32()
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n_vin = vds.read_compact_size()
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d['inputs'] = []
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for i in xrange(n_vin):
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d['inputs'].append(parse_TxIn(vds))
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n_vout = vds.read_compact_size()
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d['outputs'] = []
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for i in xrange(n_vout):
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d['outputs'].append(parse_TxOut(vds, i))
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d['lockTime'] = vds.read_uint32()
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print d
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return d
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opcodes = Enumeration("Opcodes", [
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("OP_0", 0), ("OP_PUSHDATA1",76), "OP_PUSHDATA2", "OP_PUSHDATA4", "OP_1NEGATE", "OP_RESERVED",
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"OP_1", "OP_2", "OP_3", "OP_4", "OP_5", "OP_6", "OP_7",
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"OP_8", "OP_9", "OP_10", "OP_11", "OP_12", "OP_13", "OP_14", "OP_15", "OP_16",
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"OP_NOP", "OP_VER", "OP_IF", "OP_NOTIF", "OP_VERIF", "OP_VERNOTIF", "OP_ELSE", "OP_ENDIF", "OP_VERIFY",
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"OP_RETURN", "OP_TOALTSTACK", "OP_FROMALTSTACK", "OP_2DROP", "OP_2DUP", "OP_3DUP", "OP_2OVER", "OP_2ROT", "OP_2SWAP",
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"OP_IFDUP", "OP_DEPTH", "OP_DROP", "OP_DUP", "OP_NIP", "OP_OVER", "OP_PICK", "OP_ROLL", "OP_ROT",
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"OP_SWAP", "OP_TUCK", "OP_CAT", "OP_SUBSTR", "OP_LEFT", "OP_RIGHT", "OP_SIZE", "OP_INVERT", "OP_AND",
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"OP_OR", "OP_XOR", "OP_EQUAL", "OP_EQUALVERIFY", "OP_RESERVED1", "OP_RESERVED2", "OP_1ADD", "OP_1SUB", "OP_2MUL",
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"OP_2DIV", "OP_NEGATE", "OP_ABS", "OP_NOT", "OP_0NOTEQUAL", "OP_ADD", "OP_SUB", "OP_MUL", "OP_DIV",
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"OP_MOD", "OP_LSHIFT", "OP_RSHIFT", "OP_BOOLAND", "OP_BOOLOR",
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"OP_NUMEQUAL", "OP_NUMEQUALVERIFY", "OP_NUMNOTEQUAL", "OP_LESSTHAN",
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"OP_GREATERTHAN", "OP_LESSTHANOREQUAL", "OP_GREATERTHANOREQUAL", "OP_MIN", "OP_MAX",
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"OP_WITHIN", "OP_RIPEMD160", "OP_SHA1", "OP_SHA256", "OP_HASH160",
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"OP_HASH256", "OP_CODESEPARATOR", "OP_CHECKSIG", "OP_CHECKSIGVERIFY", "OP_CHECKMULTISIG",
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"OP_CHECKMULTISIGVERIFY",
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("OP_SINGLEBYTE_END", 0xF0),
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("OP_DOUBLEBYTE_BEGIN", 0xF000),
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"OP_PUBKEY", "OP_PUBKEYHASH",
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("OP_INVALIDOPCODE", 0xFFFF),
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])
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def script_GetOp(bytes):
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i = 0
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while i < len(bytes):
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vch = None
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opcode = ord(bytes[i])
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i += 1
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if opcode >= opcodes.OP_SINGLEBYTE_END:
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opcode <<= 8
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opcode |= ord(bytes[i])
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i += 1
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if opcode <= opcodes.OP_PUSHDATA4:
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nSize = opcode
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if opcode == opcodes.OP_PUSHDATA1:
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nSize = ord(bytes[i])
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i += 1
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elif opcode == opcodes.OP_PUSHDATA2:
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(nSize,) = struct.unpack_from('<H', bytes, i)
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i += 2
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elif opcode == opcodes.OP_PUSHDATA4:
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(nSize,) = struct.unpack_from('<I', bytes, i)
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i += 4
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vch = bytes[i:i+nSize]
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i += nSize
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yield (opcode, vch, i)
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def script_GetOpName(opcode):
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return (opcodes.whatis(opcode)).replace("OP_", "")
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def decode_script(bytes):
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result = ''
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for (opcode, vch, i) in script_GetOp(bytes):
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if len(result) > 0: result += " "
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if opcode <= opcodes.OP_PUSHDATA4:
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result += "%d:"%(opcode,)
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result += short_hex(vch)
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else:
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result += script_GetOpName(opcode)
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return result
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def match_decoded(decoded, to_match):
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if len(decoded) != len(to_match):
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return False;
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for i in range(len(decoded)):
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if to_match[i] == opcodes.OP_PUSHDATA4 and decoded[i][0] <= opcodes.OP_PUSHDATA4:
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continue # Opcodes below OP_PUSHDATA4 all just push data onto stack, and are equivalent.
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if to_match[i] != decoded[i][0]:
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return False
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return True
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def extract_public_key(bytes):
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decoded = [ x for x in script_GetOp(bytes) ]
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# non-generated TxIn transactions push a signature
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# (seventy-something bytes) and then their public key
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# (65 bytes) onto the stack:
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match = [ opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
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if match_decoded(decoded, match):
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return public_key_to_bc_address(decoded[1][1])
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# The Genesis Block, self-payments, and pay-by-IP-address payments look like:
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# 65 BYTES:... CHECKSIG
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match = [ opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG ]
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if match_decoded(decoded, match):
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return public_key_to_bc_address(decoded[0][1])
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# Pay-by-Bitcoin-address TxOuts look like:
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# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
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match = [ opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
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if match_decoded(decoded, match):
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return hash_160_to_bc_address(decoded[2][1])
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return "(None)"
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@ -330,7 +330,7 @@ class ElectrumWindow(QMainWindow):
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menu.exec_(self.contacts_list.viewport().mapToGlobal(position))
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def tx_details(self, tx_hash):
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tx = self.wallet.tx_history.get(tx_hash)
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tx = self.wallet.transactions.get(tx_hash)
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if tx['height']:
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conf = self.wallet.verifier.get_confirmations(tx_hash)
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@ -371,7 +371,7 @@ class ElectrumWindow(QMainWindow):
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return
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self.is_edit=True
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tx_hash = str(item.toolTip(0))
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tx = self.wallet.tx_history.get(tx_hash)
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tx = self.wallet.transactions.get(tx_hash)
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s = self.wallet.labels.get(tx_hash)
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text = unicode( item.text(2) )
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if text:
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@ -447,11 +447,12 @@ class ElectrumWindow(QMainWindow):
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conf = 0
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time_str = 'pending'
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icon = QIcon(":icons/unconfirmed.png")
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v = tx['value']
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v = self.wallet.get_tx_value(tx_hash)
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balance += v
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label = self.wallet.labels.get(tx_hash)
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is_default_label = (label == '') or (label is None)
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if is_default_label: label = tx['default_label']
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if is_default_label:
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label = self.wallet.get_default_label(tx_hash)
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item = QTreeWidgetItem( [ '', time_str, label, format_satoshis(v,True,self.wallet.num_zeros), format_satoshis(balance,False,self.wallet.num_zeros)] )
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item.setFont(2, QFont(MONOSPACE_FONT))
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@ -847,8 +848,9 @@ class ElectrumWindow(QMainWindow):
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label = self.wallet.labels.get(address,'')
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n = 0
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h = self.wallet.history.get(address,[])
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for item in h:
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if not item['is_input'] : n=n+1
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for tx_hash, tx_height in h:
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tx = self.wallet.transactions.get(tx_hash)
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if tx: n += 1
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tx = "%d "%n
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if n==0:
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@ -910,7 +912,7 @@ class ElectrumWindow(QMainWindow):
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if address in alias_targets: continue
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label = self.wallet.labels.get(address,'')
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n = 0
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for item in self.wallet.tx_history.values():
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for item in self.wallet.transactions.values():
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if address in item['outputs'] : n=n+1
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tx = "%d"%n
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item = QTreeWidgetItem( [ address, label, tx] )
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@ -1595,7 +1597,6 @@ class ElectrumGui:
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waiting_dialog(waiting)
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if wallet.is_found():
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# history and addressbook
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wallet.update_tx_history()
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wallet.fill_addressbook()
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print "Recovery successful"
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wallet.save()
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@ -34,8 +34,10 @@ class WalletVerifier(threading.Thread):
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self.interface = interface
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self.transactions = [] # monitored transactions
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self.interface.register_channel('verifier')
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self.verified_tx = config.get('verified_tx',{})
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self.verified_tx = config.get('verified_tx',{}) # height of verified tx
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self.merkle_roots = config.get('merkle_roots',{}) # hashed by me
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self.targets = config.get('targets',{}) # compute targets
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self.lock = threading.Lock()
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self.pending_headers = [] # headers that have not been verified
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@ -51,11 +53,11 @@ class WalletVerifier(threading.Thread):
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else:
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return 0
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def add(self, tx):
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def add(self, tx_hash):
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""" add a transaction to the list of monitored transactions. """
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with self.lock:
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if tx not in self.transactions:
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self.transactions.append(tx)
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if tx_hash not in self.transactions:
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self.transactions.append(tx_hash)
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def run(self):
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requested_merkle = []
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@ -82,14 +84,14 @@ class WalletVerifier(threading.Thread):
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all_chunks = True
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print_error("downloaded all chunks")
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# request missing tx merkle
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for tx in self.transactions:
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if tx not in self.verified_tx:
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if tx not in requested_merkle:
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requested_merkle.append(tx)
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self.request_merkle(tx)
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#break
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# request missing tx
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if all_chunks:
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for tx_hash in self.transactions:
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if tx_hash not in self.verified_tx:
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||||
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')
|
||||
|
|
|
@ -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
|
||||
|
|
214
lib/wallet.py
214
lib/wallet.py
|
@ -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)
|
||||
|
||||
|
|
|
@ -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')
|
||||
|
|
Loading…
Reference in New Issue