diff --git a/datastore/threads/threadproxyds.nim b/datastore/threads/threadproxyds.nim
index 1da13d3..130d642 100644
--- a/datastore/threads/threadproxyds.nim
+++ b/datastore/threads/threadproxyds.nim
@@ -44,7 +44,6 @@ type
       sql*: SQLiteBackend[KeyId,DataBuffer]
 
   TaskCtx[D; T: ThreadTypes] = object
-    key: KeyId
     res: ThreadResult[T]
     signal: ThreadSignalPtr
     running: bool
@@ -76,22 +75,24 @@ proc acquireSignal(): ?!ThreadSignalPtr =
 
 template dispatchTask(self: ThreadDatastore,
                       signal: ThreadSignalPtr,
-                      fn: untyped): auto =
+                      blk: untyped
+                      ): auto =
   var
-    ctx = TaskCtx[SqliteDB, bool](signal: signal)
+    ctx {.inject.} = TaskCtx[SqliteDB, bool](signal: signal)
   try:
     case self.backend.kind:
     of Sqlite:
-      var ds = self.backend.sql
+      var ds {.inject.} = self.backend.sql
       proc runTask() =
-        self.tp.spawn `fn`(addr ctx, ds)
+        # self.tp.spawn `fn`(addr ctx, ds, args)
+        `blk`
       runTask()
 
       await wait(ctx.signal)
   except CancelledError as exc:
     trace "Cancelling thread future!", exc = exc.msg
     while not ctx.setCancelled():
-      warn "waiting to cancel thread future!", fn = astToStr(fn), key = $ctx.key
+      warn "waiting to cancel thread future!", fn = astToStr(fn)
       await sleepAsync(10.milliseconds)
     raise exc
   finally:
@@ -107,7 +108,6 @@ proc runTask[D, T](ctx: ptr TaskCtx, ds: D, cb: proc(ctx: ptr TaskCtx): T {.gcsa
     
     ## run backend command
     let res = cb(ctx)
-    # let res = has(ds, ctx.key)
 
     withLock(ctxLock):
       ctx.running = false
@@ -119,19 +119,19 @@ proc runTask[D, T](ctx: ptr TaskCtx, ds: D, cb: proc(ctx: ptr TaskCtx): T {.gcsa
   finally:
     discard ctx[].signal.fireSync()
 
-proc hasTask[D](ctx: ptr TaskCtx, ds: D) {.gcsafe.} =
+proc hasTask[DB](ctx: ptr TaskCtx, ds: DB, key: KeyId) {.gcsafe.} =
   ## run backend command
   runTask(ctx, ds) do(ctx: ptr TaskCtx) -> ?!bool:
-    has(ds, ctx.key)
+    has(ds, key)
 
 method has*(self: ThreadDatastore, key: Key): Future[?!bool] {.async.} =
-  var key = KeyId.new key.id()
-  
   await self.semaphore.acquire()
   without signal =? acquireSignal(), err:
     return bool.failure err
 
-  dispatchTask(self, signal, hasTask)
+  let key = KeyId.new key.id()
+  dispatchTask(self, signal):
+    self.tp.spawn hasTask(addr ctx, ds, key)
 
 # proc asyncDelTask(ctx: ptr TaskCtx[void], key: ptr Key) {.async.} =
 #   if ctx.isNil: