Avoid redundant interactions with PubSub

Author: 15Dkatz

backend/pubsub.py

@@ -57,7 +57,9 @@ def publish(self, channel, message):
         """
         Publish the message object to the channel.
         """
+        self.pubnub.unsubscribe().channels([channel]).execute()
         self.pubnub.publish().channel(channel).message(message).sync()
+        self.pubnub.subscribe().channels([channel]).execute()
 
     def broadcast_block(self, block):
         """

backend/scripts/test_app.py

@@ -3,15 +3,15 @@
 
 from backend.wallet.wallet import Wallet
 
-BASE_URL = 'http://localhost:5000'
+BASE_URL = 'http://127.0.0.1:5000'
 
 def get_blockchain():
     return requests.get(f'{BASE_URL}/blockchain').json()
 
 def get_blockchain_mine():
     return requests.get(f'{BASE_URL}/blockchain/mine').json()   
 
-def post_wallet_transact(recipient, amount): 
+def post_wallet_transact(recipient, amount):
     return requests.post(
         f'{BASE_URL}/wallet/transact',
         json={ 'recipient': recipient, 'amount': amount }