Merge pull request #6283 from raymondliu0711/feature/remove_precompile

feat(tvm): remove kzg precompile

Author: CodeNinjaEvan

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

@@ -1,8 +1,6 @@
 package org.tron.core.vm;
 
 import static java.util.Arrays.copyOfRange;
-import static org.tron.common.crypto.ckzg4844.CKZG4844JNI.BLS_MODULUS;
-import static org.tron.common.crypto.ckzg4844.CKZG4844JNI.FIELD_ELEMENTS_PER_BLOB;
 import static org.tron.common.math.Maths.max;
 import static org.tron.common.math.Maths.min;
 import static org.tron.common.runtime.vm.DataWord.WORD_SIZE;
@@ -34,7 +32,6 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
-import org.tron.common.crypto.ckzg4844.CKZG4844JNI;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
@@ -107,7 +104,6 @@ public class PrecompiledContracts {
 
   private static final EthRipemd160 ethRipemd160 = new EthRipemd160();
   private static final Blake2F blake2F = new Blake2F();
-  private static final KZGPointEvaluation kzgPointEvaluation = new KZGPointEvaluation();
 
   // FreezeV2 PrecompileContracts
   private static final GetChainParameter getChainParameter = new GetChainParameter();
@@ -202,9 +198,6 @@ public class PrecompiledContracts {
   private static final DataWord blake2FAddr = new DataWord(
       "0000000000000000000000000000000000000000000000000000000000020009");
 
-  private static final DataWord kzgPointEvaluationAddr = new DataWord(
-      "000000000000000000000000000000000000000000000000000000000002000a");
-
   public static PrecompiledContract getOptimizedContractForConstant(PrecompiledContract contract) {
     try {
       Constructor<?> constructor = contract.getClass().getDeclaredConstructor();
@@ -286,9 +279,6 @@ public static PrecompiledContract getContractForAddress(DataWord address) {
     if (VMConfig.allowTvmCompatibleEvm() && address.equals(blake2FAddr)) {
       return blake2F;
     }
-    if (VMConfig.allowTvmBlob() && address.equals(kzgPointEvaluationAddr)) {
-      return kzgPointEvaluation;
-    }
 
     if (VMConfig.allowTvmFreezeV2()) {
       if (address.equals(getChainParameterAddr)) {
@@ -2200,49 +2190,4 @@ public Pair<Boolean, byte[]> execute(byte[] data) {
     }
   }
 
-  public static class KZGPointEvaluation extends PrecompiledContract {
-
-    private static final int BLOB_VERIFY_INPUT_LENGTH = 192;
-    private static final byte BLOB_COMMITMENT_VERSION_KZG = 0x01;
-    private static final byte[] BLOB_PRECOMPILED_RETURN_VALUE =
-        ByteUtil.merge(ByteUtil.longTo32Bytes(FIELD_ELEMENTS_PER_BLOB),
-            ByteUtil.bigIntegerToBytes(BLS_MODULUS, 32));
-
-    @Override
-    public long getEnergyForData(byte[] data) {
-      return 50000;
-    }
-
-    @Override
-    public Pair<Boolean, byte[]> execute(byte[] data) {
-      if (data == null || data.length != BLOB_VERIFY_INPUT_LENGTH) {
-        return Pair.of(false, DataWord.ZERO().getData());
-      }
-
-      byte[] versionedHash = parseBytes(data, 0, 32);
-      byte[] z = parseBytes(data, 32, 32);
-      byte[] y = parseBytes(data, 64, 32);
-      byte[] commitment = parseBytes(data, 96, 48);
-      byte[] proof = parseBytes(data, 144, 48);
-
-      byte[] hash = Sha256Hash.hash(
-          CommonParameter.getInstance().isECKeyCryptoEngine(), commitment);
-      hash[0] = BLOB_COMMITMENT_VERSION_KZG;
-      if (!Arrays.equals(versionedHash, hash)) {
-        return Pair.of(false, DataWord.ZERO().getData());
-      }
-
-      try {
-        if (CKZG4844JNI.verifyKzgProof(commitment, z, y, proof)) {
-          return Pair.of(true, BLOB_PRECOMPILED_RETURN_VALUE);
-        } else {
-          return Pair.of(false, DataWord.ZERO().getData());
-        }
-      } catch (RuntimeException e) {
-        logger.warn("KZG point evaluation precompile contract failed {}", e.getMessage());
-        return Pair.of(false, DataWord.ZERO().getData());
-      }
-    }
-  }
-
 }

common/src/main/java/org/tron/core/exception/TronError.java

@@ -44,7 +44,6 @@ public enum ErrCode {
     PROMETHEUS_INIT(1),
     TRON_NET_SERVICE_INIT(1),
     ZCASH_INIT(1),
-    CKZG_INIT(1),
     LOG_LOAD(1),
     WITNESS_INIT(1),
     RATE_LIMITER_INIT(1),