add history switch

Author: wubin1

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

@@ -3,12 +3,14 @@
 import com.google.protobuf.ByteString;
 import java.util.Objects;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.BooleanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.tron.common.utils.ByteArray;
 import org.tron.core.capsule.TransactionInfoCapsule;
 import org.tron.core.capsule.TransactionRetCapsule;
+import org.tron.core.config.args.Args;
 import org.tron.core.exception.BadItemException;
 import org.tron.protos.Protocol.TransactionInfo;
 
@@ -24,6 +26,13 @@ public TransactionRetStore(@Value("transactionRetStore") String dbName) {
     super(dbName);
   }
 
+  @Override
+  public void put(byte[] key, TransactionRetCapsule item) {
+    if (BooleanUtils.toBoolean(Args.getInstance().getStorage().getTransactionHistoreSwitch())) {
+      super.put(key, item);
+    }
+  }
+
   public TransactionInfoCapsule getTransactionInfo(byte[] key) throws BadItemException {
     long blockNumber = transactionStore.getBlockNumber(key);
     if (blockNumber == -1) {