Corrected hashing

src/data-hub/semantic-linking-microservice/app/dummy_upload.py

 import csv
+import hashlib
 
 import sys
 import os
@@ -18,7 +19,7 @@ def upload_transaction(transaction):
     "content": {"use_case": "smart-energy", "table": "smart-energy", "id": "dd2c5146c919b046d77a32a5cf553d5133163562f7b7e1298c878c575d516025", 
     "properties": {"Customer": "297", "Energy_Consumption_kWh": "0.177", "Heating_Consumption_kWh": "0.0", "Latitude": "-33.362679", "Longitude": "151.447302", "Postcode": "2261", "Price_AUD_MWh": "58.05", "Solar_Production_kWh": "0.0", "Timestamp": "2013-06-30 00:00:00", "Total_Demand_MWh": "8154.14", "UniqueID": "dd2c5146c919b046d77a32a5cf553d5133163562f7b7e1298c878c575d516025"}
     }}'''
-    uid = hash(str(transaction['Customer']) + str(transaction['Timestamp']))
+    uid = hashlib.sha256(f"{transaction['Customer']}{transaction['Timestamp']}".encode("utf-8")).hexdigest()
     transaction['UniqueID'] = uid
     t = {        
         'use_case': 'smart-energy',
@@ -43,6 +44,9 @@ if __name__ == '__main__':
             for idx in range(len(row)):
                 transaction[titles[idx]] = row[idx]
 
+            if int(transaction['Customer']) < 20:
+                continue
+
             if transaction['Customer'] != old_c:      
                 # only upload until 200 for now
                 old_c = transaction['Customer']