hard fork in maintenance

Author: Yrp

src/main/java/org/tron/core/db/DynamicPropertiesStore.java

@@ -120,7 +120,6 @@ private static class DynamicResourceProperties {
 
   private static final byte[] FORK_CONTROLLER = "FORK_CONTROLLER".getBytes();
   private static final String FORK_PREFIX = "FORK_VERSION_";
-  private static final byte[] SOLID_NUM_WITH_VERSION_5 = "SOLID_NUM_WITH_VERSION_5".getBytes();
 
   //This value is only allowed to be 0, 1, -1
   private static final byte[] REMOVE_THE_POWER_OF_THE_GR = "REMOVE_THE_POWER_OF_THE_GR".getBytes();
@@ -1412,19 +1411,7 @@ public byte[] statsByVersion(int version) {
     String statsKey = FORK_PREFIX + version;
     return revokingDB.getUnchecked(statsKey.getBytes());
   }
-
-  public void setSolidNumWithVersion5(long blockNum) {
-    byte[] longBytes = ByteArray.fromLong(blockNum);
-    put(SOLID_NUM_WITH_VERSION_5, new BytesCapsule(longBytes));
-  }
-
-  public long getSolidNumWithVersion5() {
-    return Optional.ofNullable(getUnchecked(SOLID_NUM_WITH_VERSION_5))
-        .map(BytesCapsule::getData)
-        .map(ByteArray::toLong)
-        .orElse(-1L);
-  }
-
+  
   public boolean getForked() {
     byte[] value = revokingDB.getUnchecked(FORK_CONTROLLER);
     return value == null ? Boolean.FALSE : Boolean.valueOf(new String(value));