Fixes typo and improve README

Author: benmod

README.md

@@ -277,6 +277,7 @@ def device_data():
   metrics.set_device_parameters(
     secret_key=device.secret_key,
     data_format=data_format,
+    last_request_count=device.last_request_count,
     last_request_timestamp=device.last_request_timestamp
   )
   # We check the authentication
@@ -312,6 +313,9 @@ def device_data():
 
 ## Changelog
 
+### 2023-10-12 - v0.5.1
+- Fixes typo in function name
+
 ### 2023-10-12 - v0.5.0
 - Added convenience functions for accessing the current request count and request timestamp
 - Improved documentation on how to avoid replay attacks

openpaygo/metrics_response.py

@@ -52,13 +52,15 @@ def is_auth_valid(self):
         self.auth_method = auth_string[:2]
         new_signature = OpenPAYGOMetricsShared.generate_request_signature_from_data(self.request_dict, self.auth_method, self.secret_key)
         if auth_string == new_signature:
-            request_count = self.request_dict.get('request_count')
-            if request_count and self.last_request_count and request_count <= self.last_request_count:
+            request_count = self.get_request_count()
+            if request_count and self.last_request_count and request_count > self.last_request_count:
                 return False
-            timestamp = self.request_dict.get('timestamp')
-            if timestamp and self.last_request_timestamp and timestamp <= self.last_request_timestamp:
+            timestamp = self.get_request_timestamp()
+            if timestamp and self.last_request_timestamp and timestamp > self.last_request_timestamp:
                 return False
-            return True
+            # Either the request count or timestamp is required
+            if request_count or timestamp:
+                return True
         return False
 
     def get_simple_metrics(self):
@@ -76,7 +78,7 @@ def get_simple_metrics(self):
     def get_data_timestamp(self):
         return self.request_dict.get('data_collection_timestamp', self.timestamp)
 
-    def get_request_timestmap(self):
+    def get_request_timestamp(self):
         return self.request_timestamp
 
     def get_request_count(self):

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = openpaygo
-version = 0.5.0
+version = 0.5.1
 url = https://github.com/EnAccess/OpenPAYGO-python/
 description-file=README.md
 license_files=LICENSE

setup.py

@@ -4,7 +4,7 @@
 setup(
     name="openpaygo", 
     packages=find_packages(),
-    version='0.5.0',
+    version='0.5.1',
     license='MIT',
     author="Solaris Offgrid",
     url='https://github.com/EnAccess/OpenPAYGO-python/',