com.hedera.node.app.service.evm.contracts.operations.HederaExtCodeCopyOperation Maven / Gradle / Ivy
/*
* Copyright (C) 2021-2024 Hedera Hashgraph, LLC
*
* 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 com.hedera.node.app.service.evm.contracts.operations;
/*
* -
*
* Hedera Services Node
*
* Copyright (C) 2018 - 2021 Hedera Hashgraph, LLC
*
* 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.
*
*
*/
import static org.hyperledger.besu.evm.internal.Words.clampedToLong;
import java.util.function.BiPredicate;
import org.hyperledger.besu.datatypes.Address;
import org.hyperledger.besu.evm.EVM;
import org.hyperledger.besu.evm.frame.MessageFrame;
import org.hyperledger.besu.evm.gascalculator.GasCalculator;
import org.hyperledger.besu.evm.operation.ExtCodeCopyOperation;
/**
* Hedera adapted version of the {@link ExtCodeCopyOperation}.
*
* Performs an existence check on the requested {@link Address} Halts the execution of the EVM
* transaction with {@link HederaExceptionalHaltReason#INVALID_SOLIDITY_ADDRESS} if the account does
* not exist or it is deleted.
*/
public class HederaExtCodeCopyOperation extends ExtCodeCopyOperation {
private final BiPredicate addressValidator;
public HederaExtCodeCopyOperation(
GasCalculator gasCalculator, BiPredicate addressValidator) {
super(gasCalculator);
this.addressValidator = addressValidator;
}
@Override
public OperationResult execute(MessageFrame frame, EVM evm) {
final long memOffset = clampedToLong(frame.getStackItem(1));
final long numBytes = clampedToLong(frame.getStackItem(3));
return HederaEvmOperationsUtil.addressCheckExecution(
frame,
() -> frame.getStackItem(0),
() -> cost(frame, memOffset, numBytes, true),
() -> super.execute(frame, evm),
addressValidator);
}
}