anchor.diff:  	%	clean_active_txs_per_key(TxId, [Op|Ops], ActiveTxsPerKey)
       %	end,
       ets:delete(PreparedTx, TxId),
  -    ets:delete_object(ActiveTx, {active,{TxId, TxId#tx_id.snapshot_time}}),
  +    ets:delete(ActiveTx, TxId),
       ets:delete(WriteSet, TxId),
       ets:delete(WaitingFsms, TxId).
   
  
positive.code:     Result = floppy_rep_vnode:append(LogId, LogRecord),
      case Result of
      	{ok,_} ->
              ets:insert(ActiveTx, {active, {TxId, Txn#transaction.snapshot_time}}),
              Check1=ets:lookup(ActiveTx, active),
              lager:info("ClockSI-Vnode: Inserted to ActiveTx ~p",[Check1]),
  			ets:insert(ActiveTxsPerKey, {Key, TxId}),
  			Check2=ets:lookup(ActiveTxsPerKey, Key),
              lager:info("ClockSI-Vnode: Inserted to ActiveTxsPerKey ~p",[Check2]),
  
negative.code:     {noreply, State};
  
  %% @doc handles an update operation at a Leader's partition
  handle_command({update_data_item, Txn, Key, Op}, Sender, #state{write_set=WriteSet, active_txs_per_key=ActiveTxsPerKey}=State) ->
      TxId = Txn#transaction.txn_id,
      LogRecord=#log_record{tx_id=TxId, op_type=update, op_payload={Key, Op}},
      TxId = Txn#transaction.txn_id,
  