class TxOut:
def serialize(self):
result = int_to_little_endian(self.amount, 8)
result += self.script_pubkey.serialize()
return result
class TxIn:
def serialize(self):
result = self.prev_tx[::-1]
result += int_to_little_endian(self.prev_index, 4)
result += self.script_sig.serialize()
result += int_to_little_endian(self.sequence, 4)
return result
class Tx:
def serialize(self)
result = int_to_little_endian(self.version, 4)
result += encode_varint(len(self.tx_ins))
for tx_in in self.tx_ins:
result += tx_in.serialize()
result += encode_varint(len(self.tx_outs))
for tx_out in self.tx_outs:
result += tx_out.serialize()
result += int_to_little_endian(self.locktime, 4)
return result
