def serializeForSignature(self, inputIndex, hashType):
data_list = []
data_list.append(struct.pack("<L", self.version))
if (hashType & SIGHASH_ANYONECANPAY) != 0:
data_list.append(Bitcoin.serialize_variable_int(1))
data_list.append(self.inputs[inputIndex].serializeForSignature(hashType, True))
else:
data_list.append(Bitcoin.serialize_variable_int(len(self.inputs)))
for i, input in enumerate(self.inputs):
data_list.append(input.serializeForSignature(hashType, i == inputIndex))
# outputs
if (hashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_NONE:
data_list.append(Bitcoin.serialize_variable_int(0))
elif (hashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_ALL:
data_list.append(Bitcoin.serialize_variable_int(len(self.outputs)))
for i, output in enumerate(self.outputs):
data_list.append(output.serializeForSignature(hashType))
elif (hashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE:
data_list.append(Bitcoin.serialize_variable_int(1))
assert inputIndex < len(self.outputs)
data_list.append(self.outputs[inputIndex].serializeForSignature(hashType))
data_list.append(struct.pack("<L", self.lock_time))
data_list.append(struct.pack("<L", hashType))
return b''.join(data_list)
def serialize(self):
data_list = []
data_list.append(struct.pack("<L", self.version))
data_list.append(Bitcoin.serialize_variable_int(len(self.inputs)))
for i, input in enumerate(self.inputs):
data_list.append(input.serialize())
data_list.append(Bitcoin.serialize_variable_int(len(self.outputs)))
for i, output in enumerate(self.outputs):
data_list.append(output.serialize())
data_list.append(struct.pack("<L", self.lock_time))
return b''.join(data_list)
def sendGetData(self, items):
data = []
for item in items:
data.append(Bitcoin.serialize_inv(item[0], item[1]))
payload = Bitcoin.serialize_variable_int(len(data)) + b''.join(data)
message = Bitcoin.wrap_message("getdata", payload, Bitcoin.NETWORK_DELIVERY)
self.send(message)
def sendGetData(self, items):
data = []
for item in items:
data.append(Bitcoin.serialize_inv(item[0], item[1]))
payload = Bitcoin.serialize_variable_int(len(data)) + b''.join(data)
message = Bitcoin.wrap_message("getdata", payload,
Bitcoin.NETWORK_DELIVERY)
self.send(message)
def serialize(self):
self.createOutputScript()
data_list = []
data_list.append(struct.pack("<Q", self.amount))
script_bytes = self.scriptPubKey.serialize()
data_list.append(Bitcoin.serialize_variable_int(len(script_bytes)))
data_list.append(script_bytes)
return b''.join(data_list)
def serialize(self):
data_list = []
data_list.append(self.tx_hash)
data_list.append(struct.pack("<L", self.n))
script_bytes = self.scriptSig.serialize()
data_list.append(Bitcoin.serialize_variable_int(len(script_bytes)))
data_list.append(script_bytes)
data_list.append(struct.pack("<L", self.sequence))
return b''.join(data_list)
def serializeForSignature(self, hashType, selfSig):
data_list = []
data_list.append(self.tx_hash)
data_list.append(struct.pack("<L", self.n))
if selfSig:
script_bytes = self.scriptPubKey
else:
script_bytes = b''
data_list.append(Bitcoin.serialize_variable_int(len(script_bytes)))
data_list.append(script_bytes)
if selfSig or (hashType & ~SIGHASH_ANYONECANPAY) != SIGHASH_NONE:
data_list.append(struct.pack("<L", self.sequence))
else:
data_list.append(struct.pack("<L", 0))
return b''.join(data_list)