lessons period 2

period_2/02-sockets/902/Client_test.py

@@ -0,0 +1,65 @@
+from TxBlock import *
+from Transaction import *
+from Signature import *
+
+from SocketUtil import *
+
+SERVER = 'localhost'
+TCP_PORT = 5050
+
+if __name__ == "__main__":
+
+    alex_prv, alex_pbc = generate_keys()
+    mike_prv, mike_pbc = generate_keys()
+    rose_prv, rose_pbc = generate_keys()
+    mara_prv, mara_pbc = generate_keys()
+
+    Tx1 = Tx()
+    Tx1.add_input(alex_pbc, 2.3)
+    Tx1.add_output(mike_pbc, 1.0)
+    Tx1.add_output(rose_pbc, 1.1)
+    Tx1.sign(alex_prv)
+
+    Tx2 = Tx()
+    Tx2.add_input(rose_pbc, 2.3)
+    Tx2.add_input(mike_pbc, 1.0)
+    Tx2.add_output(alex_pbc, 3.1)
+    Tx2.sign(mike_prv)
+    Tx2.sign(rose_prv)
+
+    B1 = TxBlock(None)
+    B1.addTx(Tx1)
+    B1.addTx(Tx2)
+
+    server = newServerSocket(SERVER)
+    
+    print('A connection to the server is established.')
+
+    # -------------------------------------
+    sendObj(SERVER, Tx2)
+    print('Server is in Receiving mode ...')
+    Obj = recvObj(server)
+    if Obj:
+        print('Data: ', type(Obj),'\n')
+    else:
+        print('No object received')
+
+    # -------------------------------------
+    sendObj(SERVER, B1)
+    print('Server is in Receiving mode ...')
+    Obj = recvObj(server)
+    if Obj:
+        print('Data: ', type(Obj),'\n')
+    else:
+        print('No object received')
+
+    # -------------------------------------
+    print('Server is in Receiving mode ...')
+    Obj = recvObj(server)
+    if Obj:
+        print(Obj)
+    else:
+        print('No object received')
+
+    print("Success! The connection is released.")  # If returns after time, then successful
+    server.close()