add counter app in python

example/python/tmsp/msg.py

@@ -0,0 +1,54 @@
+from wire import *
+
+# map type_byte to message name
+message_types = {
+0x01 : "echo",
+0x02 : "flush",
+0x03 : "info",
+0x04 : "set_option",
+0x21 : "append_tx",
+0x22 : "get_hash",
+0x23 : "commit",
+0x24 : "rollback",
+0x25 : "add_listener",
+0x26 : "rm_listener",
+}
+
+# return the decoded arguments of tmsp messages
+class RequestDecoder():
+	def __init__(self, reader):
+		self.reader = reader
+
+	def echo(self):
+		return decode_string(self.reader)
+
+	def flush(self):
+		return 
+
+	def info(self):
+		return
+
+	def set_option(self):
+		return decode_string(self.reader), decode_string(self.reader)
+
+	def append_tx(self):
+		return decode_string(self.reader)
+
+	def get_hash(self):
+		return 
+
+	def commit(self):
+		return 
+
+	def rollback(self):
+		return 
+
+	def add_listener(self):
+		# TODO
+		return 
+
+	def rm_listener(self):
+		# TODO
+		return 
+
+