lib/harmony/harmonytask/harmonytask.go

@@ -146,6 +146,11 @@ func New(
 			TaskTypeDetails: c.TypeDetails(),
 			TaskEngine:      e,
 		}
+
+		if len(h.Name) > 16 {
+			return nil, fmt.Errorf("task name too long: %s, max 16 characters", h.Name)
+		}
+
 		e.handlers = append(e.handlers, &h)
 		e.taskMap[h.TaskTypeDetails.Name] = &h
 	}

provider/lpmessage/sender.go

@@ -324,6 +324,7 @@ func (s *Sender) Send(ctx context.Context, msg *types.Message, mss *api.MessageS
 		return cid.Undef, xerrors.Errorf("marshaling message: %w", err)
 	}
 
+	var sendTaskID *harmonytask.TaskID
 	taskAdder(func(id harmonytask.TaskID, tx *harmonydb.Tx) (shouldCommit bool, seriousError error) {
 		_, err := tx.Exec(`insert into message_sends (from_key, to_addr, send_reason, unsigned_data, unsigned_cid, send_task_id) values ($1, $2, $3, $4, $5, $6)`,
 			msg.From.String(), msg.To.String(), reason, unsBytes.Bytes(), msg.Cid().String(), id)
@@ -331,9 +332,15 @@ func (s *Sender) Send(ctx context.Context, msg *types.Message, mss *api.MessageS
 			return false, xerrors.Errorf("inserting message into db: %w", err)
 		}
 
+		sendTaskID = &id
+
 		return true, nil
 	})
 
+	if sendTaskID == nil {
+		return cid.Undef, xerrors.Errorf("failed to add task")
+	}
+
 	// wait for exec
 	var (
 		pollInterval    = 50 * time.Millisecond
@@ -347,10 +354,10 @@ func (s *Sender) Send(ctx context.Context, msg *types.Message, mss *api.MessageS
 
 	for {
 		var err error
-		var sigCidStr, sendError string
+		var sigCidStr, sendError *string
 		var sendSuccess *bool
 
-		err = s.db.QueryRow(ctx, `select signed_cid, send_success, send_error from message_sends where send_task_id = $1`, taskAdder).Scan(&sigCidStr, &sendSuccess, &sendError)
+		err = s.db.QueryRow(ctx, `select signed_cid, send_success, send_error from message_sends where send_task_id = $1`, &sendTaskID).Scan(&sigCidStr, &sendSuccess, &sendError)
 		if err != nil {
 			return cid.Undef, xerrors.Errorf("getting cid for task: %w", err)
 		}
@@ -366,10 +373,15 @@ func (s *Sender) Send(ctx context.Context, msg *types.Message, mss *api.MessageS
 			continue
 		}
 
+		if sigCidStr == nil || sendError == nil {
+			// should never happen because sendSuccess is already not null here
+			return cid.Undef, xerrors.Errorf("got null values for sigCidStr or sendError, this should never happen")
+		}
+
 		if !*sendSuccess {
-			sendErr = xerrors.Errorf("send error: %s", sendError)
+			sendErr = xerrors.Errorf("send error: %s", *sendError)
 		} else {
-			sigCid, err = cid.Parse(sigCidStr)
+			sigCid, err = cid.Parse(*sigCidStr)
 			if err != nil {
 				return cid.Undef, xerrors.Errorf("parsing signed cid: %w", err)
 			}

provider/lpwindow/recover_task.go

@@ -217,7 +217,7 @@ func (w *WdPostRecoverDeclareTask) CanAccept(ids []harmonytask.TaskID, engine *h
 func (w *WdPostRecoverDeclareTask) TypeDetails() harmonytask.TaskTypeDetails {
 	return harmonytask.TaskTypeDetails{
 		Max:  128,
-		Name: "WdPostRecoverDeclare",
+		Name: "WdPostRecover",
 		Cost: resources.Resources{
 			Cpu: 1,
 			Gpu: 0,