Blake2b f compression precompile test vectors

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BLAKE2fPrecompileContract.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2019 ConsenSys AG.
+ *
+ * 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.pantheon.ethereum.mainnet.precompiles;
+
+import tech.pegasys.pantheon.ethereum.core.Gas;
+import tech.pegasys.pantheon.ethereum.mainnet.AbstractPrecompiledContract;
+import tech.pegasys.pantheon.ethereum.vm.GasCalculator;
+import tech.pegasys.pantheon.ethereum.vm.MessageFrame;
+import tech.pegasys.pantheon.util.bytes.BytesValue;
+
+public class BLAKE2fPrecompileContract extends AbstractPrecompiledContract {
+  public BLAKE2fPrecompileContract(final GasCalculator gasCalculator) {
+    super("BLAKE2b", gasCalculator);
+  }
+
+  @Override
+  public Gas gasRequirement(final BytesValue input) {
+    return null;
+  }
+
+  @Override
+  public BytesValue compute(final BytesValue input, final MessageFrame messageFrame) {
+    if (input.size() != 213) {
+      throw new IllegalArgumentException(
+          "input length for Blake2 F precompile should be exactly 213 bytes");
+    }
+
+    return null;
+  }
+}

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BLAKE2fPrecompileContractTest.java

@@ -0,0 +1,93 @@
+/*
+ * Copyright 2019 ConsenSys AG.
+ *
+ * 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.pantheon.ethereum.mainnet.precompiles;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+
+import tech.pegasys.pantheon.ethereum.mainnet.ConstantinopleFixGasCalculator;
+import tech.pegasys.pantheon.ethereum.vm.MessageFrame;
+import tech.pegasys.pantheon.util.bytes.BytesValue;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class BLAKE2fPrecompileContractTest {
+  private final BLAKE2fPrecompileContract contract =
+      new BLAKE2fPrecompileContract(new ConstantinopleFixGasCalculator());
+
+  public BLAKE2fPrecompileContractTest() {}
+
+  private MessageFrame messageFrame = mock(MessageFrame.class);
+
+  @Parameterized.Parameters
+  public static Object[][] parameters() {
+    return new Object[][] {
+      {
+        "6a09e667f2bd8948bb67ae8484caa73b3c6ef372fe94f82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e2179000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c",
+        "63b3654623b9ca0757a1474a529433186257ba9deee206e9572365bbce31cea6d3e6d6901c014e1be3c5854bdbbef6de8ccfe917f2bb6643c72c02911aecadad"
+      },
+      {
+        "6a09e627f3bcc909bb67ae8484caa73b3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e2179278400340e6b05c5752592c52c4f121292eafc51cc01a997b4aed13409298fad0d99ccc8f76453d9b3661e5c4d325d7751147db17489046d1682d50eefa4a1da00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "d618d21e4ccdda64b147dcca5687459fbf24145ea9091c33416e45229d0972282ea8b80ff6ca078d180efb0a36b08042c068f0ae9ce69f4a7098c8215ee61773"
+      },
+      {
+        "2b536b65aae1d6731671813c2841a6146b8927a455d1f805ed650cdc3d38b03decbeb55e397687eb59650053fa515f5c817b4cedb190759a7f24f6ba1fc97300808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff00000000000001000000000000000000010000000c",
+        "913105d263890354d07b7868b36d287c2391f54f2d43099882adae97a0345a253672600754921d844010f12d6e9455d383bb247343b1372dbb58369fbc9b2bdf"
+      },
+      {
+        "6a09e667f2bd8948bb67aea184caa73b3c6ef372fe94f82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e2179000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c",
+        "138f26ca8e8b5088415879a35a2c2d7dd95e0929ba0bfe9c8b0ce25db7bce94cdbf1e30c89a2c099ea0da3e8e9ff135368f769a0eaae54da630d9b2ce7272703"
+      },
+      {
+        "456d45a3841d8a19f16ed318dc09cb4a225593e559ecd4e1c57032c0316e2f08239531a59702945cb52b3fba2f3aa61e55e133554d2f4fd4fc252af7327e80e3808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff00000000000001000000000000000000010000000c",
+        "164a65d708f5ee940fffc9ac7d1ca30083dbe67dfc6623e36b7d5ffd9aa8edca89e32143550f1d81b3297a7dba3ed6097d246f9e82ba2a93d5b908dbaef1384c"
+      },
+      {
+        "6a09e627f3bcc901bb67aecc84caa73a3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e2179d817fa064689494877e43d757ab1285b4b2a1899cde490442a90071c439a224e7070d3be04b6370df09c77018cf9d989afe1e208a9a35ce951330f210d56364a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "089c3ff02e0c9e934a01d4631722ffbbb1f5d4cc508cdb5510ebbbab022e58b50e585dcd7dbfb1c7a9a01d51a9523d54ec60d2a1a96c1f6690b407054e4d00e3"
+      },
+      {
+        "6a09e627f3bcc91fbb67aed284caa73a3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e2179a11a4843ebc5ebc5e402d0f0ecf997957a5a01b2bfa6715e67130c95562c6f4d84c64d4bd0fb03698fbb0103aa31c4c1daeb4d727b46074d23756f961141685a00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "d38f3c045427b0ff87160b670ad983c7611cfe54558be69c7a8890fd94186323e43ce133de436abdea320274298acd2eef70be64c3277a60a902da3fd06af78e"
+      },
+      {
+        "6a09e627f3bcc92dbb67aee084caa73a3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e217928cdecc6e7e3f0e93591c75513aa862e44adae0a40ce7b8e6c72ea4b47b7c88b832a34cca4d8dbc6f112373f1e82e1d26a58498cfa1ed290e872149667cb2b9100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "f1639feeaad03b7ea99e85889b6f7407a26a4095687dbc027d3256ad0c481f1661564b3628ba5b0a8117ea73be040036921ce3b64849a70db05bbaec2ba82c15"
+      },
+      {
+        "6a09e627f3bcc93bbb67aef684caa73a3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e21795f88c38e13dd036e0b6907218d2236f47bfc9ad7ad4478e69c11a4dd69109a5045de7154839b33f604c0f5907ab5e9a916abd7bedaba1dd6635f2850f42038b500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "4c0fa0b3fa95a5ef7eb0ee4c662f9aef6b96582d211917c640cba8d7a7009fcaccfbb7ba7664cf24b2e2f5c3e7d45fee8b459c6581a25a97af1d6e71fd67a709"
+      },
+      {
+        "6a09e627f3bcc948bb67ae0484caa73a3c6ef372fe94b82ba54ff53a5f1d36f1510e527fade682d19b05688c2b3e6c1f1f83d9abfb41bd6b5be0cd19137e21790bc009514bdad0c0331a29252f923da6137d6fd4ba14cb0e9c7cbb0bb1a666d5597d4d8c44612f5a2b12e8e39fa134d96b1d53fa08e48a1ad915bc44040c22ed00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffffffffffc0ffffffffffffffff010000000c",
+        "272539bb30107dea7bf9ef9e3ed75db2c8a0ddb9f37c39ea06c012ed70c8a917e00040c6684905cc1b627d7d9b4e87daa03e2412698679068fe944138ab3c796"
+      },
+    };
+  }
+
+  @Parameterized.Parameter public String input;
+
+  @Parameterized.Parameter(1)
+  public String expectedResult;
+
+  @Test
+  public void shouldRecoverAddress() {
+    final BytesValue input = BytesValue.fromHexString(this.input);
+    final BytesValue expected =
+        expectedResult == null ? BytesValue.EMPTY : BytesValue.fromHexString(expectedResult);
+    assertThat(contract.compute(input, messageFrame)).isEqualTo(expected);
+  }
+}