get data flowing in the opposite direction... now we need to work

on the client part of things..

twistednoise.py

@@ -58,6 +58,9 @@ class TwistedNoiseServerProtocol(twisted.internet.protocol.Protocol):
 		# Start Handshake
 		noise.start_handshake()
 
+	def encData(self, data):
+		self.transport.write(self.noise.encrypt(data))
+
 	def dataReceived(self, data):
 		if not self.noise.handshake_finished:
 			self.noise.read_message(data)
@@ -80,7 +83,8 @@ class TwistedNoiseServerProtocol(twisted.internet.protocol.Protocol):
 		self.transport.resumeProducing()
 
 class ClientProxyProtocol(twisted.internet.protocol.Protocol):
-	pass
+	def dataReceived(self, data):
+		self.factory.noiseproto.encData(data)
 
 class ClientProxyFactory(Factory):
 	protocol = ClientProxyProtocol
@@ -144,6 +148,14 @@ class TNServerTest(unittest.TestCase):
 
 	@defer.inlineCallbacks
 	def test_testprotocol(self):
+		#
+		# How this test is plumbed:
+		#
+		#  proto (NoiseConnection) -> self.tr (StringTransport) ->
+		#    self.proto (TwistedNoiseServerProtocol) ->
+		#    self.proto.endpoint (ClientProxyProtocol) -> unix sock ->
+		#    self.protos[0] (AccumulatingProtocol)
+		#
 		# Create client
 		proto = NoiseConnection.from_name(b'Noise_XK_448_ChaChaPoly_SHA256')
 		proto.set_as_initiator()
@@ -195,9 +207,20 @@ class TNServerTest(unittest.TestCase):
 		# wait to pass it through
 		d = yield task.deferLater(reactor, .1, bool, 1)
 
-		# fetch it out
+		# fetch remote end out
 		clientend = self.protos[0]
 		self.assertEqual(clientend.data, ptmsg)
 
+		# send a message the other direction
+		rptmsg = b'this is a different test message going the other way'
+		clientend.transport.write(rptmsg)
+
+		# wait to pass it through
+		d = yield task.deferLater(reactor, .1, bool, 1)
+
+		# receive it and decrypt it
+		resp = self.tr.value()
+		self.assertEqual(proto.decrypt(resp), rptmsg)
+
 		# clean up connection
 		clientend.transport.loseConnection()