1 files changed, 8 insertions, 0 deletions
diff --git a/synapse/server.py b/synapse/server.py
index c3b54221d6..8bc27bbc3c 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -36,6 +36,7 @@ from synapse.util.lockutils import LockManager
 from synapse.streams.events import EventSources
 from synapse.api.ratelimiting import Ratelimiter
 from synapse.crypto.keyring import Keyring
+from synapse.events.builder import EventBuilderFactory
 
 
 class BaseHomeServer(object):
@@ -82,6 +83,7 @@ class BaseHomeServer(object):
         'ratelimiter',
         'keyring',
         'event_validator',
+        'event_builder_factory',
     ]
 
     def __init__(self, hostname, **kwargs):
@@ -231,6 +233,12 @@ class HomeServer(BaseHomeServer):
     def build_event_validator(self):
         return EventValidator(self)
 
+    def build_event_builder_factory(self):
+        return EventBuilderFactory(
+            clock=self.get_clock(),
+            hostname=self.hostname,
+        )
+
     def register_servlets(self):
         """ Register all servlets associated with this HomeServer.
         """