Rename 'version' param on user consent config

we're going to use it for the version we require too.

synapse/config/consent_config.py

@@ -18,19 +18,21 @@ from ._base import Config
 DEFAULT_CONFIG = """\
 # User Consent configuration
 #
-# uncomment and configure if enabling the 'consent' resource under 'listeners'.
+# Parts of this section are required if enabling the 'consent' resource under
+# 'listeners', in particular 'template_dir' and 'version'.
 #
 # 'template_dir' gives the location of the templates for the HTML forms.
 # This directory should contain one subdirectory per language (eg, 'en', 'fr'),
 # and each language directory should contain the policy document (named as
 # '<version>.html') and a success page (success.html).
 #
-# 'default_version' gives the version of the policy document to serve up if
-# there is no 'v' parameter.
+# 'version' specifies the 'current' version of the policy document. It defines
+# the version to be served by the consent resource if there is no 'v'
+# parameter.
 #
 # user_consent:
 #   template_dir: res/templates/privacy
-#   default_version: 1.0
+#   version: 1.0
 """
 
 

synapse/rest/consent/consent_resource.py

@@ -116,7 +116,7 @@ class ConsentResource(Resource):
         loader = jinja2.FileSystemLoader(consent_template_directory)
         self._jinja_env = jinja2.Environment(loader=loader)
 
-        self._default_consent_verison = consent_config["default_version"]
+        self._default_consent_verison = consent_config["version"]
 
         if hs.config.form_secret is None:
             raise ConfigError(