fix(stress_test): adjust the statistic tool

tools/stress_test/README.md

@@ -201,6 +201,9 @@ statistic = {
 - `startBlockNumber`: configure the start block number of range for the TPS statistic;
 - `endBlockNumber`: configure the end block number of range for the TPS statistic;
 
+*Note*: if the `url` points to Lite full node, you should make sure
+its configuration `openHistoryQueryWhenLiteFN = true` is set.
+
 Then we can execute the `statistic` subcommand.
 ```
 # execute full command

tools/stress_test/src/main/java/org/tron/BroadcastTx.java

@@ -104,6 +104,7 @@ public Integer call() throws IOException, InterruptedException, IllegalException
     }
     Args.getInstance().setNodeListenPort(nodeListenPort);
     logger.info("rpc.port: {}, node.listen.port {}", rpcPort, nodeListenPort);
+    Args.getInstance().setOpenHistoryQueryWhenLiteFN(true);
 
     context = new TronApplicationContext(DefaultConfig.class);
     app = ApplicationFactory.create(context);

tools/stress_test/src/main/java/org/tron/TpsStatistic.java

@@ -84,6 +84,8 @@ public Integer call() throws Exception {
     Statistic.setApiWrapper(
         new ApiWrapper(config.getStatisticUrl(), config.getStatisticUrl(),
             config.getPrivateKey()));
+    Statistic.setBroadcastTpsLimit(config.getBroadcastTpsLimit());
+    Statistic.setTotalGenerateTxCnt(config.getTotalTxCnt());
     Statistic.result(startBlock, endBlock, output);
     return 0;
   }

tools/stress_test/src/main/java/org/tron/utils/Statistic.java

@@ -53,6 +53,8 @@ public static void result(long startBlock, long endBlock, String output) throws
     int minTrxCntInOneBlock = 1000000;
     int trxCnt = 0;
     int totalTrxCnt = 0;
+    int minBlockNumber = 0;
+    int maxBlockNumber = 0;
 
     for (long i = startNumber; i < endNumber; i++) {
       block = apiWrapper.getBlockByNum(i);
@@ -61,9 +63,11 @@ public static void result(long startBlock, long endBlock, String output) throws
 
       if (trxCnt > maxTrxCntInOneBlock) {
         maxTrxCntInOneBlock = trxCnt;
+        maxBlockNumber = (int) i;
       }
       if (trxCnt < minTrxCntInOneBlock) {
         minTrxCntInOneBlock = trxCnt;
+        minBlockNumber = (int) i;
       }
     }
 
@@ -83,8 +87,8 @@ public static void result(long startBlock, long endBlock, String output) throws
     logger.info("total generate tx count: {}, total broadcast tx count: {}, tx on chain rate: {}",
         totalGenerateTxCnt, totalTrxCnt, 1.0 * totalTrxCnt / totalGenerateTxCnt);
     logger.info("cost time: {} minutes", 1.0 * actualTime / (60 * 1000));
-    logger.info("max block size: {}", maxTrxCntInOneBlock);
-    logger.info("min block size: {}", minTrxCntInOneBlock);
+    logger.info("max block size: {} in block: {}", maxTrxCntInOneBlock, maxBlockNumber);
+    logger.info("min block size: {} in block: {}", minTrxCntInOneBlock, minBlockNumber);
     logger.info("tps: {}", tps);
     logger.info("miss block rate: {}", missBlockRate);
 
@@ -102,13 +106,16 @@ public static void result(long startBlock, long endBlock, String output) throws
       writer.newLine();
       writer.write(String.format("cost time: %f minutes", 1.0 * actualTime / (60 * 1000)));
       writer.newLine();
-      writer.write(String.format("max block size: %d", maxTrxCntInOneBlock));
+      writer.write(
+          String.format("max block size: %d in block: %d", maxTrxCntInOneBlock, maxBlockNumber));
       writer.newLine();
-      writer.write(String.format("min block size: %d", minTrxCntInOneBlock));
+      writer.write(
+          String.format("min block size: %d in block: %d", minTrxCntInOneBlock, minBlockNumber));
       writer.newLine();
       writer.write(String.format("tps: %f", tps));
       writer.newLine();
       writer.write(String.format("miss block rate: %f", missBlockRate));
+      writer.newLine();
     } catch (IOException e) {
       e.printStackTrace();
     }