diff --git a/client_manager.py b/client_manager.py
index 634e3c1..211318c 100644
--- a/client_manager.py
+++ b/client_manager.py
@@ -129,13 +129,15 @@ class NostrClientConnection:
                     self.relay_id, NostrFilter(kinds=[e.kind], authors=[e.pubkey])
                 )
             await create_event(self.relay_id, e)
-            await self.broadcast_event(self, e)
+            if self.broadcast_event:
+                await self.broadcast_event(self, e)
             if e.is_delete_event():
                 await self.__handle_delete_event(e)
             resp_nip20 += [True, ""]
         except ValueError:
             resp_nip20 += [False, "invalid: wrong event `id` or `sig`"]
-        except Exception:
+        except Exception as ex:
+            logger.debug(ex)
             event = await get_event(self.relay_id, e.id)
             # todo: handle NIP20 in detail
             resp_nip20 += [event != None, f"error: failed to create event"]
diff --git a/crud.py b/crud.py
index 28c986d..da78eab 100644
--- a/crud.py
+++ b/crud.py
@@ -117,14 +117,14 @@ async def get_event(relay_id: str, id: str) -> Optional[NostrEvent]:
 async def mark_events_deleted(relay_id: str,  filter: NostrFilter):
     if filter.is_empty():
         return None
-    _, where, values = build_where_clause(relay_id, filter)
+    _, where, values = filter.to_sql_components(relay_id)
 
     await db.execute(f"""UPDATE nostrrelay.events SET deleted=true WHERE {" AND ".join(where)}""", tuple(values))
 
 async def delete_events(relay_id: str,  filter: NostrFilter):
     if filter.is_empty():
         return None
-    _, where, values = build_where_clause(relay_id, filter)
+    _, where, values = filter.to_sql_components(relay_id)
 
     query = f"""DELETE from nostrrelay.events WHERE {" AND ".join(where)}"""
     await db.execute(query, tuple(values))
@@ -168,7 +168,7 @@ async def get_event_tags(
 
 
 def build_select_events_query(relay_id:str, filter:NostrFilter):
-    inner_joins, where, values = build_where_clause(relay_id, filter)
+    inner_joins, where, values = filter.to_sql_components(relay_id)
 
     query = f"""
         SELECT id, pubkey, created_at, kind, content, sig 
@@ -183,46 +183,3 @@ def build_select_events_query(relay_id:str, filter:NostrFilter):
         query += f" LIMIT {filter.limit}"
 
     return values, query
-
-def build_where_clause(relay_id:str, filter:NostrFilter):
-    inner_joins = []
-    where = ["deleted=false", "nostrrelay.events.relay_id = ?"]
-    values: List[Any] = [relay_id]
-
-    if len(filter.e):
-        values += filter.e
-        e_s = ",".join(["?"] * len(filter.e))
-        inner_joins.append("INNER JOIN nostrrelay.event_tags e_tags ON nostrrelay.events.id = e_tags.event_id")
-        where.append(f" (e_tags.value in ({e_s}) AND e_tags.name = 'e')")
-
-    if len(filter.p):
-        values += filter.p
-        p_s = ",".join(["?"] * len(filter.p))
-        inner_joins.append("INNER JOIN nostrrelay.event_tags p_tags ON nostrrelay.events.id = p_tags.event_id")
-        where.append(f" p_tags.value in ({p_s}) AND p_tags.name = 'p'")
-
-    if len(filter.ids) != 0:
-        ids = ",".join(["?"] * len(filter.ids))
-        where.append(f"id IN ({ids})")
-        values += filter.ids
-
-    if len(filter.authors) != 0:
-        authors = ",".join(["?"] * len(filter.authors))
-        where.append(f"pubkey IN ({authors})")
-        values += filter.authors
-
-    if len(filter.kinds) != 0:
-        kinds = ",".join(["?"] * len(filter.kinds))
-        where.append(f"kind IN ({kinds})")
-        values += filter.kinds
-
-    if filter.since:
-        where.append("created_at >= ?")
-        values += [filter.since]
-
-    if filter.until:
-        where.append("created_at < ?")
-        values += [filter.until]
-    
-
-    return inner_joins, where, values
\ No newline at end of file
diff --git a/models.py b/models.py
index bb69edc..ad13718 100644
--- a/models.py
+++ b/models.py
@@ -2,7 +2,7 @@ import hashlib
 import json
 from enum import Enum
 from sqlite3 import Row
-from typing import List, Optional
+from typing import Any, List, Optional, Tuple
 
 from pydantic import BaseModel, Field
 from secp256k1 import PublicKey
@@ -48,9 +48,6 @@ class NostrRelay(BaseModel):
         }
 
 
-
-
-
 class NostrEventType(str, Enum):
     EVENT = "EVENT"
     REQ = "REQ"
@@ -169,3 +166,46 @@ class NostrFilter(BaseModel):
             and (not self.since)
             and (not self.until)
         )
+
+    def to_sql_components(self, relay_id: str) -> Tuple[List[str], List[str], List[Any]]:
+        inner_joins: List[str] = []
+        where = ["deleted=false", "nostrrelay.events.relay_id = ?"]
+        values: List[Any] = [relay_id]
+
+        if len(self.e):
+            values += self.e
+            e_s = ",".join(["?"] * len(self.e))
+            inner_joins.append("INNER JOIN nostrrelay.event_tags e_tags ON nostrrelay.events.id = e_tags.event_id")
+            where.append(f" (e_tags.value in ({e_s}) AND e_tags.name = 'e')")
+
+        if len(self.p):
+            values += self.p
+            p_s = ",".join(["?"] * len(self.p))
+            inner_joins.append("INNER JOIN nostrrelay.event_tags p_tags ON nostrrelay.events.id = p_tags.event_id")
+            where.append(f" p_tags.value in ({p_s}) AND p_tags.name = 'p'")
+
+        if len(self.ids) != 0:
+            ids = ",".join(["?"] * len(self.ids))
+            where.append(f"id IN ({ids})")
+            values += self.ids
+
+        if len(self.authors) != 0:
+            authors = ",".join(["?"] * len(self.authors))
+            where.append(f"pubkey IN ({authors})")
+            values += self.authors
+
+        if len(self.kinds) != 0:
+            kinds = ",".join(["?"] * len(self.kinds))
+            where.append(f"kind IN ({kinds})")
+            values += self.kinds
+
+        if self.since:
+            where.append("created_at >= ?")
+            values += [self.since]
+
+        if self.until:
+            where.append("created_at < ?")
+            values += [self.until]
+        
+
+        return inner_joins, where, values