Create advanced_security.py

Author: KOSASIH

src/security/advanced_security.py

@@ -0,0 +1,144 @@
+import json
+import os
+from datetime import datetime
+from collections import defaultdict
+from hashlib import sha256
+import hmac
+
+class AdvancedSecurity:
+    def __init__(self, storage_file='security_data.json'):
+        self.storage_file = storage_file
+        self.multi_sig_wallets = {}
+        self.time_locked_contracts = {}
+        self.anomaly_detection_logs = []
+        self.load_data()
+
+    def load_data(self):
+        """Load security data from a JSON file."""
+        if os.path.exists(self.storage_file):
+            with open(self.storage_file, 'r') as file:
+                data = json.load(file)
+                self.multi_sig_wallets = data.get('multi_sig_wallets', {})
+                self.time_locked_contracts = data.get('time_locked_contracts', {})
+                self.anomaly_detection_logs = data.get('anomaly_detection_logs', [])
+
+    def save_data(self):
+        """Save security data to a JSON file."""
+        with open(self.storage_file, 'w') as file:
+            json.dump({
+                'multi_sig_wallets': self.multi_sig_wallets,
+                'time_locked_contracts': self.time_locked_contracts,
+                'anomaly_detection_logs': self.anomaly_detection_logs
+            }, file)
+
+    def create_multi_sig_wallet(self, wallet_id, owners, required_signatures):
+        """Create a multi-signature wallet."""
+        if wallet_id in self.multi_sig_wallets:
+            raise ValueError("Wallet ID already exists.")
+
+        self.multi_sig_wallets[wallet_id] = {
+            'owners': owners,
+            'required_signatures': required_signatures,
+            'transactions': []
+        }
+        self.save_data()
+        return f"Multi-signature wallet {wallet_id} created."
+
+    def submit_transaction(self, wallet_id, transaction, signer):
+        """Submit a transaction for a multi-signature wallet."""
+        if wallet_id not in self.multi_sig_wallets:
+            raise ValueError("Wallet ID not found.")
+
+        wallet = self.multi_sig_wallets[wallet_id]
+        if signer not in wallet['owners']:
+            raise ValueError("Signer is not an owner of this wallet.")
+
+        wallet['transactions'].append({
+            'transaction': transaction,
+            'signer': signer,
+            'timestamp': datetime.now().isoformat()
+        })
+        self.save_data()
+        return f"Transaction submitted by {signer}."
+
+    def execute_transaction(self, wallet_id):
+        """Execute a transaction if enough signatures are provided."""
+        if wallet_id not in self.multi_sig_wallets:
+            raise ValueError("Wallet ID not found.")
+
+        wallet = self.multi_sig_wallets[wallet_id]
+        if len(wallet['transactions']) < wallet['required_signatures']:
+            return "Not enough signatures to execute the transaction."
+
+        # Execute the transaction logic here
+        # For demonstration, we will just clear the transactions
+        wallet['transactions'] = []
+        self.save_data()
+        return f"Transaction executed for wallet {wallet_id}."
+
+    def create_time_locked_contract(self, contract_id, unlock_time):
+        """Create a time-locked contract."""
+        if contract_id in self.time_locked_contracts:
+            raise ValueError("Contract ID already exists.")
+
+        self.time_locked_contracts[contract_id] = {
+            'unlock_time': unlock_time,
+            'status': 'locked'
+        }
+        self.save_data()
+        return f"Time-locked contract {contract_id} created."
+
+    def unlock_time_locked_contract(self, contract_id):
+        """Unlock a time-locked contract if the unlock time has passed."""
+        if contract_id not in self.time_locked_contracts:
+            raise ValueError("Contract ID not found.")
+
+        contract = self.time_locked_contracts[contract_id]
+        if datetime.now() < contract['unlock_time']:
+            return "Contract is still locked."
+
+        contract['status'] = 'unlocked'
+        self.save_data()
+        return f"Contract {contract_id} unlocked."
+
+    def log_anomaly(self, user_id, action, details):
+        """Log an anomaly detected in user behavior."""
+        log_entry = {
+            'user_id': user_id,
+            'action': action,
+            'details': details,
+            'timestamp': datetime.now().isoformat()
+        }
+        self.anomaly_detection_logs.append(log_entry)
+        self.save_data()
+
+    def get_anomaly_logs(self):
+        """Retrieve all anomaly detection logs."""
+        return self.anomaly_detection_logs
+
+# Example usage
+if __name__ == "__main__":
+    security_system = AdvancedSecurity()
+
+    # Create a multi-signature wallet
+    print(security_system.create_multi_sig_wallet("wallet1", ["user1", "user2 ", "user3"], 2))
+
+    # Submit a transaction
+    print(security_system.submit_transaction("wallet1", {"amount": 100, "to": "user4"}, "user1"))
+
+    # Execute the transaction
+    print(security_system.execute_transaction("wallet1"))
+
+    # Create a time-locked contract
+    unlock_time = datetime.now().isoformat()
+    print(security_system.create_time_locked_contract("contract1", unlock_time))
+
+    # Unlock the time-locked contract
+    print(security_system.unlock_time_locked_contract("contract1"))
+
+    # Log an anomaly
+    security_system.log_anomaly("user1", "failed_login", "Multiple failed login attempts detected.")
+
+    # Retrieve anomaly logs
+    anomaly_logs = security_system.get_anomaly_logs()
+    print(f"Anomaly Logs: {anomaly_logs}")