Update app.py

app.py

@@ -397,8 +397,8 @@ def issue_tokens(send,rec,amount):
             print (f'val:: {val}')
             if val == False:
                 p=False 
-                #mes = f"Blockchain is not valid. {mes2} at Index {ind}"
-                mes = "Blockchain is not valid."
+                mes = f"Sender: {send} Blockchain is not valid. {mes2} at Index {ind}"
+                #mes = "Blockchain is not valid."
             
             #if val == True:
             if p==True:
@@ -413,14 +413,21 @@ def issue_tokens(send,rec,amount):
                     p=True
                     response,message = get_my_chain_rec(rec)
                     lod_rec = response
+                    mes1,val,mes2,ind = valid_rec()
+                    print (f'val:: {val}')
+                    if val == False:
+                        p=False 
+                        mes = f"Recipient: {rec} Blockchain is not valid. {mes2} at Index {ind}"
+                        #mes = "Blockchain is not valid."
                     #print (lod_rec)
-                    try:
-                        balance = lod_rec["chain"][-1]["balance"]
-                        #print (balance)
-                    except Exception:
-                        p=False
-                        balance = 0
-                    balance_rec =int(balance)+int(amount)
+                    if val == True:
+                        try:
+                            balance = lod_rec["chain"][-1]["balance"]
+                            #print (balance)
+                        except Exception:
+                            p=False
+                            balance = 0
+                        balance_rec =int(balance)+int(amount)
 
                 if balance_send < 0:
                     mes ="Not enough tokens"