feat: add parent hash in the block event

Author: clarkchen

common/src/main/java/org/tron/common/logsfilter/trigger/BlockLogTrigger.java

@@ -27,6 +27,11 @@ public class BlockLogTrigger extends Trigger {
   @Setter
   private List<String> transactionList = new ArrayList<>();
 
+
+  @Getter
+  @Setter
+  private String parentHash;
+
   public BlockLogTrigger() {
     setTriggerName(Trigger.BLOCK_TRIGGER_NAME);
   }
@@ -45,6 +50,10 @@ public String toString() {
         .append(", latestSolidifiedBlockNumber: ")
         .append(latestSolidifiedBlockNumber)
         .append(", transactionList: ")
-        .append(transactionList).toString();
+        .append(transactionList)
+        .append(", parentHash: ")
+        .append(parentHash)
+        .toString();
+
   }
 }

framework/src/main/java/org/tron/common/logsfilter/capsule/BlockLogTriggerCapsule.java

@@ -21,6 +21,7 @@ public BlockLogTriggerCapsule(BlockCapsule block) {
     block.getTransactions().forEach(trx ->
         blockLogTrigger.getTransactionList().add(trx.getTransactionId().toString())
     );
+    blockLogTrigger.setParentHash(block.getParentHash().toString());
   }
 
   public void setLatestSolidifiedBlockNumber(long latestSolidifiedBlockNumber) {