fix results stuff

codex/slots/proofs/backends/asynccircoms.nim

@@ -56,8 +56,20 @@ proc prove*[H](
   let args = ProveTaskArgs(signal: signal, params: self.params)
   let flowvar = self.tp.spawn proveTask(args, input)
 
-  without res =? await awaitThreadResult(signal, flowvar), err:
+  without taskRes =? await awaitThreadResult(signal, flowvar),  err:
-    return failure(err)
+    let res: ?!CircomProof = failure(err)
+    return res
+
+  without proof =? taskRes.mapFailure, err:
+    let res: ?!CircomProof = failure(err)
+    return res
+
+  let sigRes = signal.close()
+  if sigRes.isErr:
+    return failure(sigRes.error())
+
+  let pf: CircomProof = proof
+  success(pf)
 
 proc verify*[H](
     self: AsyncCircomCompat, proof: CircomProof, inputs: ProofInputs[H]

codex/utils/asyncthreads.nim

@@ -15,6 +15,7 @@ proc awaitThreadResult*[T](signal: ThreadSignalPtr, handle: Flowvar[T]): Future[
   var
     res: T
     awaitTotal: Duration
+
   while awaitTotal < CompletionTimeout:
     if handle.tryComplete(res):
       return success(res)