def testChecksum(self):
data = [
('test', '954d5a49'),
('pycoin', '58709a9f')
]
for d, h in data:
self.assertEquals(utils.checksum(d).encode('hex'), h)
self.assertEquals(utils.doubleSha256(d)[:4].encode('hex'), h)
def serialize_message(self, message_type, payload):
if not isinstance(payload, str):
buf = BytesIO()
payload.toWire(buf, self.version)
payload = buf.getvalue()
message = MAGIC
message += message_type.ljust(12, chr(0))
message += struct.pack("<I", len(payload))
message += checksum(payload)
message += payload
return message
def serialize_message(self, message_type, payload):
if not isinstance(payload, str):
buf = BytesIO()
payload.toWire(buf, self.version)
payload = buf.getvalue()
message = params['magic']
message += message_type.ljust(12, chr(0))
message += struct.pack("<I", len(payload))
message += checksum(payload)
message += payload
return message
