Merge pull request #809 from tomochain/revert-807-followup-#806

Revert "Followup of #806"

core/blockchain.go

@@ -2264,10 +2264,9 @@ func (bc *BlockChain) logExchangeData(block *types.Block) {
 	for _, txMatchBatch := range txMatchBatchData {
 		for _, txMatch := range txMatchBatch.Data {
 			// the smallest time unit in mongodb is millisecond
-			// hence, we should update time in millisecond
+			// hence, we should update time in second
 			// old txData has been attached with nanosecond, to avoid hard fork, convert nanosecond to millisecond here
-			milliSecond := txMatchBatch.Timestamp / 1e6
-			txMatchTime := time.Unix(0, milliSecond * 1e6).UTC()
+			txMatchTime := time.Unix(txMatchBatch.Timestamp / 1e6, 0).UTC()
 			if err := tomoXService.SyncDataToSDKNode(txMatch, txMatchBatch.TxHash, txMatchTime, currentState); err != nil {
 				log.Error("failed to SyncDataToSDKNode ", "blockNumber", block.Number(), "err", err)
 				return