diff --git a/crates/oxidetalis/src/database/user.rs b/crates/oxidetalis/src/database/user.rs
index 7f52764..3230aa3 100644
--- a/crates/oxidetalis/src/database/user.rs
+++ b/crates/oxidetalis/src/database/user.rs
@@ -28,6 +28,8 @@ pub trait UserTableExt {
     async fn users_exists_in_database(&self) -> ApiResult<bool>;
     /// Register new user
     async fn register_user(&self, public_key: &PublicKey, is_admin: bool) -> ApiResult<()>;
+    /// Returns user by its public key
+    async fn get_user_by_pubk(&self, public_key: &PublicKey) -> ApiResult<Option<UserModel>>;
 }
 
 impl UserTableExt for DatabaseConnection {
@@ -57,4 +59,13 @@ impl UserTableExt for DatabaseConnection {
 
         Ok(())
     }
+
+    #[logcall]
+    async fn get_user_by_pubk(&self, public_key: &PublicKey) -> ApiResult<Option<UserModel>> {
+        UserEntity::find()
+            .filter(UserColumn::PublicKey.eq(public_key.to_string()))
+            .one(self)
+            .await
+            .map_err(ApiError::SeaOrm)
+    }
 }