added logging system

goodchain/src/helpers/BlockHelper.py

@@ -269,9 +269,12 @@ def validateMinedBlock(self):
             for transaction in new_block.data:
                 if transaction.type != 1:
                     fees += transaction.inputs[0][1] - transaction.outputs[0][1]
+                    self.db.createLog(transaction.inputs[0][0], time.time(), f"Transaction of {transaction.inputs[0][1]} is added in block id {new_block.id}")
+                    self.db.createLog(transaction.outputs[0][0], time.time(), f"You have received new coins: {transaction.outputs[0][1]}, To see all info view block id {new_block.id}")
 
             new_reward = Tx()
             new_reward.createRewardTransaction(self.user.public_ser, self.user.private_ser, "MINE", fees)
+            self.db.createLog(new_block.metadata['miner'], time.time(), f"Block id {new_block.id}, is validated!")
             utilityHelper.saveFile("../data/transaction_pool.dat", new_reward)
 
 
@@ -290,6 +293,8 @@ def validateMinedBlock(self):
     else:
         new_block.metadata['false_validations'] += 1
         if new_block.metadata['false_validations'] >= 3:
+            # Create log for miner
+            self.db.createLog(new_block.metadata['miner'], time.time(), f"Block id {new_block.id}, was flagged invalid. Mine unsuccesful...")
             # set transactions in block back to the pool
             for transaction in new_block.data:
                 utilityHelper.saveFile("../data/transaction_pool.dat", transaction)

goodchain/src/helpers/DatabaseHelper.py

@@ -116,5 +116,54 @@ class DatabaseHelper:
         except sqlite3.Error as error:
             return None
         
+    def createLog(self, public_key, date, info, unread = 0):
+        if not self.conn:
+            return None
+
+        try:
+            self.cursor.execute("INSERT INTO `logs` (public_key, date, info, unread) VALUES (?, ?, ?, ?)", (public_key, date, info, unread,))
+            self.commit()
+
+        except sqlite3.Error as error:
+            return None
+        
+    
+    def getLatestLogs(self):
+        if not self.conn:
+            return None
+
+        try:
+            self.cursor.execute("SELECT * FROM `logs` ORDER BY `id` DESC LIMIT 10")
+
+            return self.cursor.fetchall()
+
+        except sqlite3.Error as error:
+            return None
+
+    def getUreandLogs(self):
+        if not self.conn:
+            return None
+
+        try:
+            self.cursor.execute("SELECT * FROM `logs` WHERE `unread` = ?", (0,))
+
+            return self.cursor.fetchall()
+
+        except sqlite3.Error as error:
+            return None
+        
+    
+    def updateLogStatus(self, id, unread = 1):
+        if not self.conn:
+            return False
+
+        try:
+            self.cursor.execute("UPDATE `logs` SET `unread` = ? WHERE `id` = ?", (unread, id, ))
+            self.commit()
+
+        except sqlite3.Error as error:
+            return False
+        
     def checkMigrations(self):
         self.query("CREATE TABLE IF NOT EXISTS `users` ( `private_key` BLOB NOT NULL , `public_key` BLOB NOT NULL , `username` VARCHAR(255) NOT NULL , `password` VARCHAR(255) NOT NULL )")
+        self.query("CREATE TABLE IF NOT EXISTS `logs` ( `id` INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, `public_key` BLOB NOT NULL , `date` VARCHAR(255) NOT NULL , `info` VARCHAR(255) NOT NULL , `unread` INTEGER NOT NULL )")

goodchain/src/helpers/MenuHelper.py

@@ -36,9 +36,10 @@ class MenuHelper:
 
         self.user_settings_menu[0] = "Back"
         self.user_settings_menu[1] = "View account info"
-        self.user_settings_menu[2] = "Change username"
+        self.user_settings_menu[2] = "Show recent logs"
-        self.user_settings_menu[3] = "Change password"
+        self.user_settings_menu[3] = "Change username"
-        self.user_settings_menu[4] = "DELETE ACCOUNT"
+        self.user_settings_menu[4] = "Change password"
+        self.user_settings_menu[5] = "DELETE ACCOUNT"
 
         self.opened_logs = False
 
@@ -183,6 +184,9 @@ class MenuHelper:
                 case "Back":
                     return
                 
+                case "Show recent logs":
+                    taskHelper.displayLogs(self)
+                
                 case "View account info":
                     self.user.printAccountInfo()
                 

goodchain/src/helpers/TaskHelper.py

@@ -1,6 +1,35 @@
 from helpers import UtilityHelper as utilityHelper
 import time
 
+def displayUnreadLogs(self):
+    logs = self.db.getUreandLogs
+
+    if len(logs) == 0:
+        return False
+    
+    printLogs(logs)
+
+    for log in logs:
+        self.db.updateLog(log[0])
+
+def displayLogs(self):
+    logs = self.db.getLatestLogs()
+    if len(logs) == 0:
+        print(f"{utilityHelper.warningMessage('No logs found')}")
+        return False
+    
+    printLogs(logs)
+
+def printLogs(logs):
+    for log in logs:
+        print(f"------------------{log[0]}---------------------")
+        print(f"Log Date:")
+        print(f"{time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(log[2]))}")
+        print(f"Log Message:")
+        print(f"{log[3]}")
+
+    print(f"------------------END---------------------")
+
 def getBalance(self):
     balance = 0
     blocks = utilityHelper.loadFile("../data/ledger.dat")

goodchain/src/helpers/UtilityHelper.py

@@ -2,6 +2,7 @@ import pickle
 import hashlib
 import os
 from helpers import BlockHelper as blockHelper
+from helpers import TaskHelper as taskHelper
 
 class bcolors:
     HEADER = '\033[95m'
@@ -69,6 +70,7 @@ def loginStartup(self):
     # TODO - check if there are unvalidated blocks
     blockHelper.validateMinedBlock(self)
     # TODO - check if there are any notifcations
+    taskHelper.displayUnreadLogs(self)
 
 def errorMessage(text):
     return bcolors.FAIL + text + bcolors.ENDC