Update chatchain.py

chatchain.py

@@ -230,13 +230,13 @@ class MyChainSend:
             return block
     def print_previous_block(self):
         return self.chain[-1]
-    def new_transaction(self, sender, recipient, message):
+    def new_transaction(self, sender, recipient, message,priv_key):
         transaction = {
             'sender': sender,
             'recipient': recipient,
             'message': message,
         }
-        transaction = crypt.encrypt_trans(transaction,pub_key)
+        transaction = crypt.encrypt_trans(transaction,priv_key)
         self.pending_transactions.append(transaction)
     def proof_of_work(self, previous_proof):
         new_proof = 1
@@ -431,7 +431,7 @@ class MyChainRec:
             return block
     def print_previous_block(self):
         return self.chain[-1]
-    def new_transaction(self, sender, recipient, message):
+    def new_transaction(self, sender, recipient, message,pub_key):
         transaction = {
             'sender': sender,
             'recipient': recipient,