feat(proposal,tvm): implement TIP-653

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

@@ -38,6 +38,7 @@
 import org.tron.core.utils.TransactionUtil;
 import org.tron.core.vm.EnergyCost;
 import org.tron.core.vm.LogInfoTriggerParser;
+import org.tron.core.vm.Op;
 import org.tron.core.vm.OperationRegistry;
 import org.tron.core.vm.VM;
 import org.tron.core.vm.VMConstant;
@@ -189,6 +190,13 @@ public void execute(Object object) throws ContractExeException {
         VM.play(program, OperationRegistry.getTable());
         result = program.getResult();
 
+        if (VMConfig.allowEnergyAdjustment()) {
+          // If the last op consumed too much execution time, the CPU time limit for the whole tx can be exceeded.
+          // This is not fair for other txs in the same block.
+          // So when allowFairEnergyAdjustment is on, the CPU time limit will be checked at the end of tx execution.
+          program.checkCPUTimeLimit(Op.getNameOf(program.getLastOp()) + "(TX_LAST_OP)");
+        }
+
         if (TrxType.TRX_CONTRACT_CREATION_TYPE == trxType && !result.isRevert()) {
           byte[] code = program.getResult().getHReturn();
           if (code.length != 0 && VMConfig.allowTvmLondon() && code[0] == (byte) 0xEF) {

actuator/src/main/java/org/tron/core/utils/ProposalUtil.java

@@ -750,6 +750,21 @@ public static void validator(DynamicPropertiesStore dynamicPropertiesStore,
         }
         break;
       }
+      case ALLOW_ENERGY_ADJUSTMENT: {
+        if (!forkController.pass(ForkBlockVersionEnum.VERSION_4_7_5)) {
+          throw new ContractValidateException(
+                  "Bad chain parameter id [ALLOW_ENERGY_ADJUSTMENT]");
+        }
+        if (dynamicPropertiesStore.getAllowEnergyAdjustment() == 1) {
+          throw new ContractValidateException(
+              "[ALLOW_ENERGY_ADJUSTMENT] has been valid, no need to propose again");
+        }
+        if (value != 1) {
+          throw new ContractValidateException(
+                  "This value[ALLOW_ENERGY_ADJUSTMENT] is only allowed to be 1");
+        }
+        break;
+      }
       case MAX_CREATE_ACCOUNT_TX_SIZE: {
         if (!forkController.pass(ForkBlockVersionEnum.VERSION_4_7_5)) {
           throw new ContractValidateException(
@@ -841,6 +856,7 @@ public enum ProposalType {         // current value, value range
     ALLOW_CANCEL_ALL_UNFREEZE_V2(77), // 0, 1
     MAX_DELEGATE_LOCK_PERIOD(78), // (86400, 10512000]
     ALLOW_OLD_REWARD_OPT(79), // 0, 1
+    ALLOW_ENERGY_ADJUSTMENT(81), // 0, 1
     MAX_CREATE_ACCOUNT_TX_SIZE(82); // [500, 10000]
 
     private long code;

actuator/src/main/java/org/tron/core/vm/EnergyCost.java

@@ -259,12 +259,19 @@ public static long getSuicideCost(Program ignored) {
     return SUICIDE;
   }
 
+  public static long getSuicideCost2(Program program) {
+    DataWord inheritorAddress = program.getStack().peek();
+    if (isDeadAccount(program, inheritorAddress)) {
+      return getSuicideCost(program) + NEW_ACCT_CALL;
+    }
+    return getSuicideCost(program);
+  }
+
   public static long getBalanceCost(Program ignored) {
     return BALANCE;
   }
 
   public static long getFreezeCost(Program program) {
-
     Stack stack = program.getStack();
     DataWord receiverAddressWord = stack.get(stack.size() - 3);
     if (isDeadAccount(program, receiverAddressWord)) {
@@ -306,7 +313,27 @@ public static long getUnDelegateResourceCost(Program ignored) {
   }
 
   public static long getVoteWitnessCost(Program program) {
+    Stack stack = program.getStack();
+    long oldMemSize = program.getMemSize();
+    DataWord amountArrayLength = stack.get(stack.size() - 1).clone();
+    DataWord amountArrayOffset = stack.get(stack.size() - 2);
+    DataWord witnessArrayLength = stack.get(stack.size() - 3).clone();
+    DataWord witnessArrayOffset = stack.get(stack.size() - 4);
+
+    DataWord wordSize = new DataWord(DataWord.WORD_SIZE);
+
+    amountArrayLength.mul(wordSize);
+    BigInteger amountArrayMemoryNeeded = memNeeded(amountArrayOffset, amountArrayLength);
+
+    witnessArrayLength.mul(wordSize);
+    BigInteger witnessArrayMemoryNeeded = memNeeded(witnessArrayOffset, witnessArrayLength);
+
+    return VOTE_WITNESS + calcMemEnergy(oldMemSize,
+        (amountArrayMemoryNeeded.compareTo(witnessArrayMemoryNeeded) > 0
+            ? amountArrayMemoryNeeded : witnessArrayMemoryNeeded), 0, Op.VOTEWITNESS);
+  }
 
+  public static long getVoteWitnessCost2(Program program) {
     Stack stack = program.getStack();
     long oldMemSize = program.getMemSize();
     DataWord amountArrayLength = stack.get(stack.size() - 1).clone();
@@ -317,9 +344,11 @@ public static long getVoteWitnessCost(Program program) {
     DataWord wordSize = new DataWord(DataWord.WORD_SIZE);
 
     amountArrayLength.mul(wordSize);
+    amountArrayLength.add(wordSize); // dynamic array length is at least 32 bytes
     BigInteger amountArrayMemoryNeeded = memNeeded(amountArrayOffset, amountArrayLength);
 
     witnessArrayLength.mul(wordSize);
+    witnessArrayLength.add(wordSize); // dynamic array length is at least 32 bytes
     BigInteger witnessArrayMemoryNeeded = memNeeded(witnessArrayOffset, witnessArrayLength);
 
     return VOTE_WITNESS + calcMemEnergy(oldMemSize,

actuator/src/main/java/org/tron/core/vm/OperationRegistry.java

@@ -67,6 +67,10 @@ public static JumpTable getTable() {
       adjustMemOperations(table);
     }
 
+    if (VMConfig.allowEnergyAdjustment()) {
+      adjustForFairEnergy(table);
+    }
+
     return table;
   }
 
@@ -635,4 +639,17 @@ public static void appendShangHaiOperations(JumpTable table) {
         OperationActions::push0Action,
         proposal));
   }
+
+  public static void adjustForFairEnergy(JumpTable table) {
+    table.set(new Operation(
+        Op.VOTEWITNESS, 4, 1,
+        EnergyCost::getVoteWitnessCost2,
+        OperationActions::voteWitnessAction,
+        VMConfig::allowTvmVote));
+
+    table.set(new Operation(
+        Op.SUICIDE, 1, 0,
+        EnergyCost::getSuicideCost2,
+        OperationActions::suicideAction));
+  }
 }

actuator/src/main/java/org/tron/core/vm/VMUtils.java

@@ -12,14 +12,14 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.Arrays;
-import java.util.Map;
 import java.util.zip.Deflater;
 import java.util.zip.DeflaterOutputStream;
 import lombok.extern.slf4j.Slf4j;
 import org.tron.common.utils.ByteArray;
 import org.tron.common.utils.ByteUtil;
 import org.tron.common.utils.Commons;
 import org.tron.common.utils.DecodeUtil;
+import org.tron.core.Constant;
 import org.tron.core.capsule.AccountCapsule;
 import org.tron.core.exception.ContractValidateException;
 import org.tron.core.vm.config.VMConfig;
@@ -33,6 +33,11 @@ public final class VMUtils {
   private VMUtils() {
   }
 
+  public static int getAddressSize() {
+    return VMConfig.allowEnergyAdjustment() ?
+        Constant.TRON_ADDRESS_SIZE : Constant.STANDARD_ADDRESS_SIZE;
+  }
+
   public static void closeQuietly(Closeable closeable) {
     try {
       if (closeable != null) {

actuator/src/main/java/org/tron/core/vm/config/ConfigLoader.java

@@ -39,6 +39,7 @@ public static void load(StoreFactory storeFactory) {
         VMConfig.initDynamicEnergyIncreaseFactor(ds.getDynamicEnergyIncreaseFactor());
         VMConfig.initDynamicEnergyMaxFactor(ds.getDynamicEnergyMaxFactor());
         VMConfig.initAllowTvmShangHai(ds.getAllowTvmShangHai());
+        VMConfig.initAllowEnergyAdjustment(ds.getAllowEnergyAdjustment());
       }
     }
   }

actuator/src/main/java/org/tron/core/vm/config/VMConfig.java

@@ -49,6 +49,8 @@ public class VMConfig {
 
   private static boolean ALLOW_TVM_SHANGHAI = false;
 
+  private static boolean ALLOW_ENERGY_ADJUSTMENT = false;
+
   private VMConfig() {
   }
 
@@ -136,6 +138,10 @@ public static void initAllowTvmShangHai(long allow) {
     ALLOW_TVM_SHANGHAI = allow == 1;
   }
 
+  public static void initAllowEnergyAdjustment(long allow) {
+    ALLOW_ENERGY_ADJUSTMENT = allow == 1;
+  }
+
   public static boolean getEnergyLimitHardFork() {
     return CommonParameter.ENERGY_LIMIT_HARD_FORK;
   }
@@ -211,4 +217,8 @@ public static long getDynamicEnergyMaxFactor() {
   public static boolean allowTvmShanghai() {
     return ALLOW_TVM_SHANGHAI;
   }
+
+  public static boolean allowEnergyAdjustment() {
+    return ALLOW_ENERGY_ADJUSTMENT;
+  }
 }

actuator/src/main/java/org/tron/core/vm/program/Program.java

@@ -275,6 +275,10 @@ public void setLastOp(byte op) {
     this.lastOp = op;
   }
 
+  public byte getLastOp() {
+    return this.lastOp;
+  }
+
   /**
    * Returns the last fully executed OP.
    */
@@ -457,7 +461,8 @@ public void suicide(DataWord obtainerAddress) {
     InternalTransaction internalTx = addInternalTx(null, owner, obtainer, balance, null,
         "suicide", nonce, getContractState().getAccount(owner).getAssetMapV2());
 
-    if (FastByteComparisons.compareTo(owner, 0, 20, obtainer, 0, 20) == 0) {
+    int ADDRESS_SIZE = VMUtils.getAddressSize();
+    if (FastByteComparisons.compareTo(owner, 0, ADDRESS_SIZE, obtainer, 0, ADDRESS_SIZE) == 0) {
       // if owner == obtainer just zeroing account according to Yellow Paper
       getContractState().addBalance(owner, -balance);
       byte[] blackHoleAddress = getContractState().getBlackHoleAddress();

chainbase/src/main/java/org/tron/core/store/DynamicPropertiesStore.java

@@ -219,6 +219,8 @@ public class DynamicPropertiesStore extends TronStoreWithRevoking<BytesCapsule>
 
   private static final byte[] ALLOW_OLD_REWARD_OPT = "ALLOW_OLD_REWARD_OPT".getBytes();
 
+  private static final byte[] ALLOW_ENERGY_ADJUSTMENT = "ALLOW_ENERGY_ADJUSTMENT".getBytes();
+
   private static final byte[] MAX_CREATE_ACCOUNT_TX_SIZE = "MAX_CREATE_ACCOUNT_TX_SIZE".getBytes();
 
   @Autowired
@@ -2852,6 +2854,17 @@ public long getAllowOldRewardOpt() {
         .orElse(CommonParameter.getInstance().getAllowOldRewardOpt());
   }
 
+  public void saveAllowEnergyAdjustment(long allowEnergyAdjustment) {
+    this.put(ALLOW_ENERGY_ADJUSTMENT, new BytesCapsule(ByteArray.fromLong(allowEnergyAdjustment)));
+  }
+
+  public long getAllowEnergyAdjustment() {
+    return Optional.ofNullable(getUnchecked(ALLOW_ENERGY_ADJUSTMENT))
+            .map(BytesCapsule::getData)
+            .map(ByteArray::toLong)
+            .orElse(CommonParameter.getInstance().getAllowEnergyAdjustment());
+  }
+
   public void saveMaxCreateAccountTxSize(long maxCreateAccountTxSize) {
     this.put(MAX_CREATE_ACCOUNT_TX_SIZE,
         new BytesCapsule(ByteArray.fromLong(maxCreateAccountTxSize)));

common/src/main/java/org/tron/common/parameter/CommonParameter.java

@@ -666,6 +666,10 @@ public class CommonParameter {
   @Setter
   public long allowOldRewardOpt;
 
+  @Getter
+  @Setter
+  public long allowEnergyAdjustment;
+
   @Getter
   @Setter
   public long maxCreateAccountTxSize = 1000L;

common/src/main/java/org/tron/core/Constant.java

@@ -18,6 +18,8 @@ public class Constant {
   public static final String ADD_PRE_FIX_STRING_MAINNET = "41";
   public static final byte ADD_PRE_FIX_BYTE_TESTNET = (byte) 0xa0;   //a0 + address
   public static final String ADD_PRE_FIX_STRING_TESTNET = "a0";
+  public static final int STANDARD_ADDRESS_SIZE = 20;
+  public static final int TRON_ADDRESS_SIZE = 21;
 
   public static final int NODE_TYPE_FULL_NODE = 0;
   public static final int NODE_TYPE_LIGHT_NODE = 1;
@@ -379,4 +381,6 @@ public class Constant {
 
   public static final String MAX_UNSOLIDIFIED_BLOCKS = "node.maxUnsolidifiedBlocks";
   public static final String COMMITTEE_ALLOW_OLD_REWARD_OPT = "committee.allowOldRewardOpt";
+
+  public static final String COMMITTEE_ALLOW_ENERGY_ADJUSTMENT = "committee.allowEnergyAdjustment";
 }

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

@@ -1334,6 +1334,11 @@ public Protocol.ChainParameters getChainParameters() {
         .setValue(dbManager.getDynamicPropertiesStore().getAllowOldRewardOpt())
         .build());
 
+    builder.addChainParameter(Protocol.ChainParameters.ChainParameter.newBuilder()
+        .setKey("getAllowEnergyAdjustment")
+        .setValue(dbManager.getDynamicPropertiesStore().getAllowEnergyAdjustment())
+        .build());
+
     builder.addChainParameter(Protocol.ChainParameters.ChainParameter.newBuilder()
         .setKey("getMaxCreateAccountTxSize")
         .setValue(dbManager.getDynamicPropertiesStore().getMaxCreateAccountTxSize())

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

@@ -232,6 +232,7 @@ public static void clearParam() {
     PARAMETER.unsolidifiedBlockCheck = false;
     PARAMETER.maxUnsolidifiedBlocks = 54;
     PARAMETER.allowOldRewardOpt = 0;
+    PARAMETER.allowEnergyAdjustment = 0;
   }
 
   /**
@@ -1205,6 +1206,10 @@ public static void setParam(final String[] args, final String confFileName) {
     }
     PARAMETER.allowOldRewardOpt = allowOldRewardOpt;
 
+    PARAMETER.allowEnergyAdjustment =
+            config.hasPath(Constant.COMMITTEE_ALLOW_ENERGY_ADJUSTMENT) ? config
+                    .getInt(Constant.COMMITTEE_ALLOW_ENERGY_ADJUSTMENT) : 0;
+
     logConfig();
   }
 

framework/src/main/java/org/tron/core/consensus/ProposalService.java

@@ -359,6 +359,10 @@ public static boolean process(Manager manager, ProposalCapsule proposalCapsule)
           manager.getDynamicPropertiesStore().saveAllowOldRewardOpt(entry.getValue());
           break;
         }
+        case ALLOW_ENERGY_ADJUSTMENT: {
+          manager.getDynamicPropertiesStore().saveAllowEnergyAdjustment(entry.getValue());
+          break;
+        }
         case MAX_CREATE_ACCOUNT_TX_SIZE: {
           manager.getDynamicPropertiesStore().saveMaxCreateAccountTxSize(entry.getValue());
           break;