Add kzg reference tests support

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/Eth2ReferenceTestCase.java

@@ -26,6 +26,7 @@
 import tech.pegasys.teku.reference.phase0.bls.BlsTests;
 import tech.pegasys.teku.reference.phase0.forkchoice.ForkChoiceTestExecutor;
 import tech.pegasys.teku.reference.phase0.genesis.GenesisTests;
+import tech.pegasys.teku.reference.phase0.kzg.KzgTests;
 import tech.pegasys.teku.reference.phase0.rewards.RewardsTestExecutorPhase0;
 import tech.pegasys.teku.reference.phase0.sanity.SanityTests;
 import tech.pegasys.teku.reference.phase0.shuffling.ShufflingTestExecutor;
@@ -37,6 +38,7 @@ public abstract class Eth2ReferenceTestCase {
   private static final ImmutableMap<String, TestExecutor> COMMON_TEST_TYPES =
       ImmutableMap.<String, TestExecutor>builder()
           .putAll(BlsTests.BLS_TEST_TYPES)
+          .putAll(KzgTests.KZG_TEST_TYPES)
           .putAll(ForkChoiceTestExecutor.FORK_CHOICE_TEST_TYPES)
           .putAll(GenesisTests.GENESIS_TEST_TYPES)
           .putAll(ShufflingTestExecutor.SHUFFLING_TEST_TYPES)

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/phase0/kzg/KzgBlobToCommitmentTestExecutor.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright Consensys Software Inc., 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.reference.phase0.kzg;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.apache.tuweni.bytes.Bytes;
+import tech.pegasys.teku.ethtests.finder.TestDefinition;
+import tech.pegasys.teku.kzg.KZGCommitment;
+import tech.pegasys.teku.kzg.ckzg4844.CKZG4844;
+
+public class KzgBlobToCommitmentTestExecutor extends KzgTestExecutor {
+
+  @Override
+  public void runTestImpl(final TestDefinition testDefinition) throws Throwable {
+    final Data data = loadDataFile(testDefinition, Data.class);
+    final KZGCommitment expectedKzgCommitment = data.getOutput();
+    KZGCommitment actualKzgCommitment;
+    try {
+      final Bytes blob = data.getInput().getBlob();
+      actualKzgCommitment = CKZG4844.getInstance().blobToKzgCommitment(blob);
+    } catch (RuntimeException e) {
+      actualKzgCommitment = null;
+    }
+    assertThat(actualKzgCommitment).isEqualTo(expectedKzgCommitment);
+  }
+
+  private static class Data {
+    @JsonProperty(value = "input", required = true)
+    private Input input;
+
+    @JsonProperty(value = "output", required = true)
+    private String output;
+
+    public Input getInput() {
+      return input;
+    }
+
+    public KZGCommitment getOutput() {
+      return output == null ? null : KZGCommitment.fromHexString(output);
+    }
+
+    private static class Input {
+      @JsonProperty(value = "blob", required = true)
+      private String blob;
+
+      public Bytes getBlob() {
+        return Bytes.fromHexString(blob);
+      }
+    }
+  }
+}

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/phase0/kzg/KzgComputeBlobProofTestExecutor.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright Consensys Software Inc., 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.reference.phase0.kzg;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.apache.tuweni.bytes.Bytes;
+import tech.pegasys.teku.ethtests.finder.TestDefinition;
+import tech.pegasys.teku.kzg.KZGCommitment;
+import tech.pegasys.teku.kzg.KZGProof;
+import tech.pegasys.teku.kzg.ckzg4844.CKZG4844;
+
+public class KzgComputeBlobProofTestExecutor extends KzgTestExecutor {
+
+  @Override
+  public void runTestImpl(final TestDefinition testDefinition) throws Throwable {
+    final Data data = loadDataFile(testDefinition, Data.class);
+    final KZGProof expectedKzgProof = data.getOutput();
+    KZGProof actualKzgProof;
+    try {
+      final Bytes blob = data.getInput().getBlob();
+      final KZGCommitment commitment = data.getInput().getCommitment();
+      actualKzgProof = CKZG4844.getInstance().computeBlobKzgProof(blob, commitment);
+    } catch (RuntimeException e) {
+      actualKzgProof = null;
+    }
+    assertThat(actualKzgProof).isEqualTo(expectedKzgProof);
+  }
+
+  private static class Data {
+    @JsonProperty(value = "input", required = true)
+    private Input input;
+
+    @JsonProperty(value = "output", required = true)
+    private String output;
+
+    public Input getInput() {
+      return input;
+    }
+
+    public KZGProof getOutput() {
+      return output == null ? null : KZGProof.fromHexString(output);
+    }
+
+    private static class Input {
+      @JsonProperty(value = "blob", required = true)
+      private String blob;
+
+      @JsonProperty(value = "commitment", required = true)
+      private String commitment;
+
+      public Bytes getBlob() {
+        return Bytes.fromHexString(blob);
+      }
+
+      public KZGCommitment getCommitment() {
+        return KZGCommitment.fromHexString(commitment);
+      }
+    }
+  }
+}

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/phase0/kzg/KzgTestExecutor.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright Consensys Software Inc., 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.reference.phase0.kzg;
+
+import static tech.pegasys.teku.ethtests.finder.KzgTestFinder.KZG_DATA_FILE;
+
+import java.io.IOException;
+import tech.pegasys.teku.ethtests.finder.TestDefinition;
+import tech.pegasys.teku.kzg.KZG;
+import tech.pegasys.teku.kzg.ckzg4844.CKZG4844;
+import tech.pegasys.teku.networks.Eth2NetworkConfiguration;
+import tech.pegasys.teku.reference.TestDataUtils;
+import tech.pegasys.teku.reference.TestExecutor;
+import tech.pegasys.teku.spec.config.SpecConfigDeneb;
+
+public abstract class KzgTestExecutor implements TestExecutor {
+  // We don't support config reloading and all tests are currently for mainnet
+  private static final String CONFIG_NAME = "mainnet";
+
+  @Override
+  public final void runTest(TestDefinition testDefinition) throws Throwable {
+    final Eth2NetworkConfiguration networkConfig =
+        Eth2NetworkConfiguration.builder(CONFIG_NAME).build();
+    final SpecConfigDeneb specConfigDeneb =
+        SpecConfigDeneb.required(networkConfig.getSpec().getGenesisSpecConfig());
+
+    KZG kzg = null;
+    try {
+      kzg = CKZG4844.createInstance(specConfigDeneb.getFieldElementsPerBlob());
+      kzg.loadTrustedSetup(specConfigDeneb.getTrustedSetupPath().orElseThrow());
+      runTestImpl(testDefinition);
+    } finally {
+      if (kzg != null) {
+        kzg.freeTrustedSetup();
+      }
+    }
+  }
+
+  protected <T> T loadDataFile(final TestDefinition testDefinition, final Class<T> type)
+      throws IOException {
+    String dataFile =
+        testDefinition.getTestName().endsWith(".yaml")
+            ? testDefinition.getTestName()
+            : KZG_DATA_FILE;
+    return TestDataUtils.loadYaml(testDefinition, dataFile, type);
+  }
+
+  protected abstract void runTestImpl(TestDefinition testDefinition) throws Throwable;
+}

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/phase0/kzg/KzgTests.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright Consensys Software Inc., 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.reference.phase0.kzg;
+
+import com.google.common.collect.ImmutableMap;
+import tech.pegasys.teku.reference.TestExecutor;
+
+public class KzgTests {
+
+  public static final ImmutableMap<String, TestExecutor> KZG_TEST_TYPES =
+      ImmutableMap.<String, TestExecutor>builder()
+          .put("kzg/blob_to_kzg_commitment", new KzgBlobToCommitmentTestExecutor())
+          .put("kzg/compute_blob_kzg_proof", new KzgComputeBlobProofTestExecutor())
+          // no KZG interface on CL side, EL responsibility
+          .put("kzg/compute_kzg_proof", TestExecutor.IGNORE_TESTS)
+          // actually uses verify_blob_kzg_proof_batch KZG interface
+          .put("kzg/verify_blob_kzg_proof", new KzgVerifyBlobProofTestExecutor())
+          .put("kzg/verify_blob_kzg_proof_batch", new KzgVerifyBlobProofBatchTestExecutor())
+          // no KZG interface on CL side, EL responsibility
+          .put("kzg/verify_kzg_proof", TestExecutor.IGNORE_TESTS)
+          .build();
+}

eth-reference-tests/src/referenceTest/java/tech/pegasys/teku/reference/phase0/kzg/KzgVerifyBlobProofBatchTestExecutor.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright Consensys Software Inc., 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.reference.phase0.kzg;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import java.util.List;
+import org.apache.tuweni.bytes.Bytes;
+import tech.pegasys.teku.ethtests.finder.TestDefinition;
+import tech.pegasys.teku.kzg.KZGCommitment;
+import tech.pegasys.teku.kzg.KZGProof;
+import tech.pegasys.teku.kzg.ckzg4844.CKZG4844;
+
+public class KzgVerifyBlobProofBatchTestExecutor extends KzgTestExecutor {
+
+  @Override
+  public void runTestImpl(final TestDefinition testDefinition) throws Throwable {
+    final Data data = loadDataFile(testDefinition, Data.class);
+    final Boolean expectedVerificationResult = data.getOutput();
+    Boolean actualVerificationResult;
+    try {
+      final List<Bytes> blobs = data.getInput().getBlobs();
+      final List<KZGCommitment> commitments = data.getInput().getCommitments();
+      final List<KZGProof> proofs = data.getInput().getProofs();
+      actualVerificationResult =
+          CKZG4844.getInstance().verifyBlobKzgProofBatch(blobs, commitments, proofs);
+    } catch (RuntimeException e) {
+      actualVerificationResult = null;
+    }
+    assertThat(actualVerificationResult).isEqualTo(expectedVerificationResult);
+  }
+
+  private static class Data {
+    @JsonProperty(value = "input", required = true)
+    private Input input;
+
+    @JsonProperty(value = "output", required = true)
+    private Boolean output;
+
+    public Input getInput() {
+      return input;
+    }
+
+    public Boolean getOutput() {
+      return output;
+    }
+
+    private static class Input {
+      @JsonProperty(value = "blobs", required = true)
+      private List<String> blobs;
+
+      @JsonProperty(value = "commitments", required = true)
+      private List<String> commitments;
+
+      @JsonProperty(value = "proofs", required = true)
+      private List<String> proofs;
+
+      public List<Bytes> getBlobs() {
+        return blobs.stream().map(Bytes::fromHexString).toList();
+      }
+
+      public List<KZGCommitment> getCommitments() {
+        return commitments.stream().map(KZGCommitment::fromHexString).toList();
+      }
+
+      public List<KZGProof> getProofs() {
+        return proofs.stream().map(KZGProof::fromHexString).toList();
+      }
+    }
+  }
+}