fix(api): add input check

Author: halibobo1205

framework/src/main/java/org/tron/core/Wallet.java

@@ -913,6 +913,9 @@ public long calcCanDelegatedEnergyMaxSize(ByteString ownerAddress) {
   }
 
   public DelegatedResourceAccountIndex getDelegatedResourceAccountIndex(ByteString address) {
+    if (address == null || address.size() != DecodeUtil.ADDRESS_SIZE / 2) {
+      return DelegatedResourceAccountIndex.getDefaultInstance();
+    }
     DelegatedResourceAccountIndexCapsule accountIndexCapsule =
         chainBaseManager.getDelegatedResourceAccountIndexStore().getIndex(address.toByteArray());
     if (accountIndexCapsule != null) {
@@ -923,6 +926,9 @@ public DelegatedResourceAccountIndex getDelegatedResourceAccountIndex(ByteString
   }
 
   public DelegatedResourceAccountIndex getDelegatedResourceAccountIndexV2(ByteString address) {
+    if (address == null || address.size() != DecodeUtil.ADDRESS_SIZE / 2) {
+      return DelegatedResourceAccountIndex.getDefaultInstance();
+    }
     DelegatedResourceAccountIndexCapsule accountIndexCapsule = chainBaseManager
         .getDelegatedResourceAccountIndexStore().getV2Index(address.toByteArray());
     if (accountIndexCapsule != null) {