private SyncingSubscription GetSyncingSubscription(int bestSuggested, int head)
        {
            BlockHeader blockHeader = Build.A.BlockHeader.WithNumber(bestSuggested).TestObject;

            _blockTree.FindBestSuggestedHeader().Returns(blockHeader);

            Block block = Build.A.Block.WithNumber(head).TestObject;

            _blockTree.Head.Returns(block);

            SyncingSubscription syncingSubscription = new SyncingSubscription(_jsonRpcDuplexClient, _blockTree, _logManager);

            return(syncingSubscription);
        }
 private bool CheckSyncing()
 {
     BestSuggestedNumber = _blockTree.FindBestSuggestedHeader().Number;
     return(BestSuggestedNumber > _blockTree.Head.Number + 8);
 }