add error type and fix bug which get unrecognized type

Author: neo hong

src/main/java/org/tron/walletserver/WalletApi.java

@@ -1699,8 +1699,10 @@ public static SmartContract.ABI.Entry.EntryType getEntryType(String type) {
         return SmartContract.ABI.Entry.EntryType.Fallback;
       case "receive":
         return SmartContract.ABI.Entry.EntryType.Receive;
+      case "error":
+        return SmartContract.ABI.Entry.EntryType.Error;
       default:
-        return SmartContract.ABI.Entry.EntryType.UNRECOGNIZED;
+        return SmartContract.ABI.Entry.EntryType.UnknownEntryType;
     }
   }
 
@@ -1716,7 +1718,7 @@ public static SmartContract.ABI.Entry.StateMutabilityType getStateMutability(
       case "payable":
         return SmartContract.ABI.Entry.StateMutabilityType.Payable;
       default:
-        return SmartContract.ABI.Entry.StateMutabilityType.UNRECOGNIZED;
+        return SmartContract.ABI.Entry.StateMutabilityType.UnknownMutabilityType;
     }
   }
 

src/main/protos/core/contract/smart_contract.proto

@@ -18,6 +18,7 @@ message SmartContract {
                 Event = 3;
                 Fallback = 4;
                 Receive = 5;
+                Error = 6;
             }
             message Param {
                 bool indexed = 1;