add new proposal 35 and separate the functionality to forbid transfer asset to smart contract using system contract

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

@@ -921,6 +921,11 @@ public Protocol.ChainParameters getChainParameters() {
         .setValue(dbManager.getDynamicPropertiesStore().getAllowTvmSolidity059())
         .build());
 
+    builder.addChainParameter(Protocol.ChainParameters.ChainParameter.newBuilder()
+        .setKey("getForbidTransferToContract")
+        .setValue(dbManager.getDynamicPropertiesStore().getForbidTransferToContract())
+        .build());
+
     builder.addChainParameter(Protocol.ChainParameters.ChainParameter.newBuilder()
         .setKey("getAdaptiveResourceLimitTargetRatio")
         .setValue(

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

@@ -124,8 +124,8 @@ public boolean validate() throws ContractValidateException {
       if (toAccount == null) {
         fee = fee + dbManager.getDynamicPropertiesStore().getCreateNewAccountFeeInSystemContract();
       }
-      //after TvmSolidity059 proposal, send trx to smartContract by actuator is not allowed.
-      if (dbManager.getDynamicPropertiesStore().getAllowTvmSolidity059() == 1
+      //after ForbidTransferToContract proposal, send trx to smartContract by actuator is not allowed.
+      if (dbManager.getDynamicPropertiesStore().getForbidTransferToContract() == 1
               && toAccount != null
               && toAccount.getType() == AccountType.Contract) {
         throw new ContractValidateException("Cannot transfer trx to smartContract.");

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

@@ -166,8 +166,8 @@ public boolean validate() throws ContractValidateException {
 
     AccountCapsule toAccount = this.dbManager.getAccountStore().get(toAddress);
     if (toAccount != null) {
-      //after TvmSolidity059 proposal, send trx to smartContract by actuator is not allowed.
-      if (dbManager.getDynamicPropertiesStore().getAllowTvmSolidity059() == 1
+      //after ForbidTransferToContract proposal, send trx to smartContract by actuator is not allowed.
+      if (dbManager.getDynamicPropertiesStore().getForbidTransferToContract() == 1
               && toAccount.getType() == AccountType.Contract) {
         throw new ContractValidateException("Cannot transfer asset to smartContract.");
       }

src/main/java/org/tron/core/config/Parameter.java

@@ -23,7 +23,7 @@ public class ChainConstant {
     public static final int BLOCK_FILLED_SLOTS_NUMBER = 128;
     public static final int MAX_VOTE_NUMBER = 30;
     public static final int MAX_FROZEN_NUMBER = 1;
-    public static final int BLOCK_VERSION = 9;
+    public static final int BLOCK_VERSION = 10;
   }
 
   public class NodeConstant {
@@ -84,7 +84,8 @@ public enum ForkBlockVersionEnum {
     VERSION_3_2_2(6),
     VERSION_3_5(7),
     VERSION_3_6(8),
-    VERSION_3_6_5(9);
+    VERSION_3_6_5(9),
+    VERSION_3_6_6(10);
 
     @Getter
     private int value;

src/main/java/org/tron/core/config/args/Args.java

@@ -361,6 +361,10 @@ public class Args {
   @Setter
   private long allowTvmSolidity059; //committee parameter
 
+  @Getter
+  @Setter
+  private long forbidTransferToContract; //committee parameter
+
   @Getter
   @Setter
   private int tcpNettyWorkThreadNum;
@@ -529,6 +533,7 @@ public static void clearParam() {
     INSTANCE.allowDelegateResource = 0;
     INSTANCE.allowSameTokenName = 0;
     INSTANCE.allowTvmSolidity059 = 0;
+    INSTANCE.forbidTransferToContract = 0;
     INSTANCE.tcpNettyWorkThreadNum = 0;
     INSTANCE.udpNettyWorkThreadNum = 0;
     INSTANCE.p2pNodeId = "";
@@ -888,6 +893,10 @@ public static void setParam(final String[] args, final String confFileName) {
             config.hasPath("committee.allowTvmSolidity059") ? config
                     .getInt("committee.allowTvmSolidity059") : 0;
 
+    INSTANCE.forbidTransferToContract =
+        config.hasPath("committee.forbidTransferToContract") ? config
+            .getInt("committee.forbidTransferToContract") : 0;
+
     INSTANCE.tcpNettyWorkThreadNum = config.hasPath("node.tcpNettyWorkThreadNum") ? config
         .getInt("node.tcpNettyWorkThreadNum") : 0;
 

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

@@ -170,6 +170,8 @@ private static class DynamicResourceProperties {
 
   private static final byte[] ALLOW_TVM_SOLIDITY_059 = "ALLOW_TVM_SOLIDITY_059".getBytes();
 
+  private static final byte[] FORBID_TRANSFER_TO_CONTRACT = "FORBID_TRANSFER_TO_CONTRACT".getBytes();
+
   //Used only for protobuf data filter , once，value is 0,1
   private static final byte[] ALLOW_PROTO_FILTER_NUM = "ALLOW_PROTO_FILTER_NUM"
       .getBytes();
@@ -522,6 +524,12 @@ private DynamicPropertiesStore(@Value("properties") String dbName) {
       this.saveAllowTvmSolidity059(Args.getInstance().getAllowTvmSolidity059());
     }
 
+    try {
+      this.getForbidTransferToContract();
+    } catch (IllegalArgumentException e) {
+      this.saveForbidTransferToContract(Args.getInstance().getForbidTransferToContract());
+    }
+
     try {
       this.getAvailableContractType();
     } catch (IllegalArgumentException e) {
@@ -1378,6 +1386,17 @@ public long getAllowTvmSolidity059() {
             .orElseThrow(() -> new IllegalArgumentException("not found ALLOW_TVM_SOLIDITY_059"));
   }
 
+  public void saveForbidTransferToContract(long value) {
+    this.put(FORBID_TRANSFER_TO_CONTRACT,
+        new BytesCapsule(ByteArray.fromLong(value)));
+  }
+
+  public long getForbidTransferToContract() {
+    return Optional.ofNullable(getUnchecked(FORBID_TRANSFER_TO_CONTRACT))
+        .map(BytesCapsule::getData)
+        .map(ByteArray::toLong)
+        .orElseThrow(() -> new IllegalArgumentException("not found FORBID_TRANSFER_TO_CONTRACT"));
+  }
 
 
   public void saveAvailableContractType(byte[] value) {

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

@@ -54,7 +54,8 @@ public enum ProposalType {
     ALLOW_CHANGE_DELEGATION(30), //1, 30
     WITNESS_127_PAY_PER_BLOCK(31), //drop, 31
     ALLOW_TVM_SOLIDITY_059(32), // 1, 32
-    ADAPTIVE_RESOURCE_LIMIT_TARGET_RATIO(33); // 10, 33
+    ADAPTIVE_RESOURCE_LIMIT_TARGET_RATIO(33), // 10, 33
+    FORBID_TRANSFER_TO_CONTRACT(35); // 1, 35
 
     ProposalType(long code) {
       this.code = code;
@@ -330,6 +331,22 @@ public static void validator(Manager manager, long code, long value)
         }
         break;
       }
+      case FORBID_TRANSFER_TO_CONTRACT: {
+        if (!manager.getForkController().pass(ForkBlockVersionEnum.VERSION_3_6_6)) {
+
+          throw new ContractValidateException(BAD_PARAM_ID);
+        }
+        if (value != 1) {
+          throw new ContractValidateException(
+              "This value[FORBID_TRANSFER_TO_CONTRACT] is only allowed to be 1");
+        }
+        if (manager.getDynamicPropertiesStore().getAllowCreationOfContracts() == 0) {
+          throw new ContractValidateException(
+              "[ALLOW_CREATION_OF_CONTRACTS] proposal must be approved "
+                  + "before [FORBID_TRANSFER_TO_CONTRACT] can be proposed");
+        }
+        break;
+      }
       default:
         break;
     }
@@ -492,6 +509,10 @@ public static boolean process(Manager manager, ProposalCapsule proposalCapsule)
           manager.getDynamicPropertiesStore().saveWitness127PayPerBlock(entry.getValue());
           break;
         }
+        case FORBID_TRANSFER_TO_CONTRACT: {
+          manager.getDynamicPropertiesStore().saveForbidTransferToContract(entry.getValue());
+          break;
+        }
         default:
           find = false;
           break;

src/test/java/org/tron/core/actuator/TransferActuatorTest.java

@@ -466,7 +466,7 @@ public void insufficientFee() {
   @Test
   public void transferToSmartContractAddress()
       throws ContractExeException, ReceiptCheckErrException, VMIllegalException, ContractValidateException, BalanceInsufficientException {
-    dbManager.getDynamicPropertiesStore().saveAllowTvmSolidity059(1);
+    dbManager.getDynamicPropertiesStore().saveForbidTransferToContract(1);
     String contractName = "testContract";
     byte[] address = Hex.decode(OWNER_ADDRESS);
     String ABI =

src/test/java/org/tron/core/actuator/TransferAssetActuatorTest.java

@@ -1350,7 +1350,7 @@ public void SameTokenNameCloseAssetNameTest() {
   @Test
   public void transferToContractAddress()
       throws ContractExeException, ReceiptCheckErrException, VMIllegalException, ContractValidateException, BalanceInsufficientException {
-    dbManager.getDynamicPropertiesStore().saveAllowTvmSolidity059(1);
+    dbManager.getDynamicPropertiesStore().saveForbidTransferToContract(1);
     createAssertSameTokenNameActive();
     VMConfig.initAllowMultiSign(1);
     VMConfig.initAllowTvmTransferTrc10(1);