add exception statement

Author: sean-liu55

src/main/java/org/tron/core/services/WitnessService.java

@@ -19,6 +19,7 @@
 import org.tron.core.exception.ContractValidateException;
 import org.tron.core.exception.TronException;
 import org.tron.core.exception.UnLinkedBlockException;
+import org.tron.core.exception.ValidateBandwidthException;
 import org.tron.core.exception.ValidateScheduleException;
 import org.tron.core.exception.ValidateSignatureException;
 import org.tron.core.net.message.BlockMessage;
@@ -246,7 +247,7 @@ private void broadcastBlock(BlockCapsule block) {
   }
 
   private BlockCapsule generateBlock(long when, ByteString witnessAddress)
-      throws ValidateSignatureException, ContractValidateException, ContractExeException, UnLinkedBlockException, ValidateScheduleException {
+      throws ValidateSignatureException, ContractValidateException, ContractExeException, UnLinkedBlockException, ValidateScheduleException, ValidateBandwidthException {
     return tronApp.getDbManager().generateBlock(this.localWitnessStateMap.get(witnessAddress), when,
         this.privateKeyMap.get(witnessAddress));
   }

src/main/java/org/tron/program/SolidityNode.java

@@ -10,7 +10,6 @@
 import org.tron.common.overlay.discover.NodeManager;
 import org.tron.common.overlay.discover.UDPListener;
 import org.tron.common.overlay.server.ChannelManager;
-import org.tron.common.overlay.server.PeerServer;
 import org.tron.core.Constant;
 import org.tron.core.capsule.BlockCapsule;
 import org.tron.core.config.DefaultConfig;
@@ -20,6 +19,7 @@
 import org.tron.core.exception.ContractExeException;
 import org.tron.core.exception.ContractValidateException;
 import org.tron.core.exception.UnLinkedBlockException;
+import org.tron.core.exception.ValidateBandwidthException;
 import org.tron.core.exception.ValidateScheduleException;
 import org.tron.core.exception.ValidateSignatureException;
 import org.tron.core.services.RpcApiService;
@@ -74,6 +74,8 @@ private void syncSolidityBlock() throws BadBlockException {
           dbManager.pushBlock(blockCapsule);
           dbManager.getDynamicPropertiesStore()
               .saveLatestSolidifiedBlockNum(lastSolidityBlockNum + 1);
+        } catch (ValidateBandwidthException e) {
+          throw new BadBlockException("validate Bandwidth exception");
         } catch (ValidateScheduleException e) {
           throw new BadBlockException("validate schedule exception");
         } catch (ValidateSignatureException e) {