rename some val and method

Author: Yrp

src/main/java/org/tron/common/utils/ForkController.java

@@ -17,21 +17,22 @@
 import org.apache.commons.lang3.StringUtils;
 import org.tron.core.Wallet;
 import org.tron.core.capsule.BlockCapsule;
-import org.tron.core.config.Parameter;
 import org.tron.core.config.Parameter.ForkBlockVersionConsts;
 import org.tron.core.db.Manager;
 
 @Slf4j
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public class ForkController {
 
+  private static final byte VERSION_UPGRADE = (byte) 1;
+  private static final byte HARD_FORK_EFFECTIVE = (byte) 2;
   private static final byte[] check;
   private static final byte[] check2;
   static {
     check = new byte[1024];
-    Arrays.fill(check, (byte) 1);
+    Arrays.fill(check, VERSION_UPGRADE);
     check2 = new byte[1024];
-    Arrays.fill(check2, (byte) 2);
+    Arrays.fill(check2, HARD_FORK_EFFECTIVE);
   }
 
   @Getter
@@ -45,7 +46,7 @@ public void init(Manager manager) {
   }
 
   public synchronized boolean pass(int version) {
-    if (!check(version)) {
+    if (!checkEnergy(version)) {
       return false;
     }
 
@@ -67,7 +68,10 @@ public synchronized boolean pass(int version) {
     return pass;
   }
 
-  private boolean check(int version) {
+  // when block.version = 5,
+  // it make block use new energy to handle transaction when block number >= 4727890L.
+  // version !=5, skip this.
+  private boolean checkEnergy(int version) {
     if (version != ForkBlockVersionConsts.ENERGY_LIMIT) {
       return true;
     }
@@ -120,7 +124,7 @@ public synchronized void update(BlockCapsule blockCapsule) {
       stats = new byte[witnesses.size()];
     }
 
-    stats[slot] = (byte) 1;
+    stats[slot] = VERSION_UPGRADE;
     manager.getDynamicPropertiesStore().statsByVersion(version, stats);
     logger.info(
         "*******update hard fork:{}, witness size:{}, solt:{}, witness:{}, version:{}",
@@ -146,7 +150,7 @@ public synchronized void updateWhenMaintenance(BlockCapsule blockCapsule) {
     }
 
     if (check(stats)) {
-      Arrays.fill(stats, (byte) 2);
+      Arrays.fill(stats, HARD_FORK_EFFECTIVE);
       manager.getDynamicPropertiesStore().statsByVersion(version, stats);
       logger.info("*******hard fork is effective in the maintenance, version is {}", version);
     }