add verification and lost parameters

Author: sean-liu55

src/main/java/org/tron/core/actuator/AssetIssueActuator.java

@@ -167,6 +167,10 @@ public boolean validate() throws ContractValidateException {
       throw new ContractValidateException("Num must greater than 0!");
     }
 
+    if (assetIssueContract.getPublicFreeAssetNetUsage() != 0) {
+      throw new ContractValidateException("PublicFreeAssetNetUsage must be 0!");
+    }
+
     if (assetIssueContract.getFrozenSupplyCount()
         > this.dbManager.getDynamicPropertiesStore().getMaxFrozenSupplyNumber()) {
       throw new ContractValidateException("Frozen supply list length is too long");

src/main/java/org/tron/core/actuator/UpdateAssetActuator.java

@@ -57,6 +57,8 @@ public boolean execute(TransactionResultCapsule ret) throws ContractExeException
 
       assetIssueCapsule.setFreeAssetNetLimit(newLimit);
       assetIssueCapsule.setPublicFreeAssetNetLimit(newPublicLimit);
+      assetIssueCapsule.setUrl(ByteString.copyFrom(newUrl));
+      assetIssueCapsule.setDescription(ByteString.copyFrom(newDescription));
       assetIssueStore.put(assetIssueCapsule.createDbKey(), assetIssueCapsule);
 
       ret.setStatus(fee, code.SUCESS);

src/main/java/org/tron/core/capsule/AssetIssueCapsule.java

@@ -133,4 +133,12 @@ public long getPublicLatestFreeNetTime() {
   public void setPublicLatestFreeNetTime(long time) {
     this.assetIssueContract.toBuilder().setPublicLatestFreeNetTime(time).build();
   }
+
+  public void setUrl(ByteString newUrl) {
+    this.assetIssueContract.toBuilder().setUrl(newUrl).build();
+  }
+
+  public void setDescription(ByteString string) {
+    this.assetIssueContract.toBuilder().setDescription(string).build();
+  }
 }