copyright headers

Signed-off-by: Danno Ferrin <[email protected]>

ethereum/core/src/test/java/org/hyperledger/besu/ethereum/vm/operations/Push0OperationTest.java

@@ -1,3 +1,17 @@
+/*
+ * Copyright contributors to Hyperledger Besu
+ *
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 package org.hyperledger.besu.ethereum.vm.operations;
 
 import static org.assertj.core.api.Assertions.assertThat;

evm/src/main/java/org/hyperledger/besu/evm/MainnetEVMs.java

@@ -203,9 +203,6 @@ public static void registerFrontierOperations(
     registry.put(new CallOperation(gasCalculator));
     registry.put(new CallCodeOperation(gasCalculator));
 
-    // Register the PUSH0 operation.
-    registry.put(new Push0Operation(gasCalculator));
-
     // Register the PUSH1, PUSH2, ..., PUSH32 operations.
     for (int i = 1; i <= 32; ++i) {
       registry.put(new PushOperation(i, gasCalculator));
@@ -429,6 +426,7 @@ public static void registerShandongOperations(
       final GasCalculator gasCalculator,
       final BigInteger chainID) {
     registerParisOperations(registry, gasCalculator, chainID);
-    // PUSH0
+    // Register the PUSH0 operation.
+    registry.put(new Push0Operation(gasCalculator));
   }
 }

evm/src/main/java/org/hyperledger/besu/evm/operation/Push0Operation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright ConsenSys AG.
+ * Copyright contributors to Hyperledger Besu
  *
  * 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