message: qa: mininode: Clearer error message on invalid magic bytes
diff: @@ -171,7 +171,7 @@ class P2PConnection(asyncio.Protocol):
  if len(self.recvbuf) < 4:
  return
  if self.recvbuf[:4] != self.magic_bytes:
  - raise ValueError("got garbage %s" % repr(self.recvbuf))
  + raise ValueError("magic bytes mismatch: {} != {}".format(repr(self.magic_bytes), repr(self.recvbuf)))
  if len(self.recvbuf) < 4 + 12 + 4 + 4:
  return
  command = self.recvbuf[4:4+12].split(b"\x00", 1)[0]
  