com.hedera.node.app.service.evm.contracts.operations.HederaBalanceOperationV038 Maven / Gradle / Ivy

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/*
 * 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;

import com.google.common.annotations.VisibleForTesting;
import com.hedera.node.app.service.evm.contracts.execution.EvmProperties;
import java.util.function.BiPredicate;
import java.util.function.Predicate;
import java.util.function.Supplier;
import org.apache.tuweni.units.bigints.UInt256;
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.BalanceOperation;

/**
 * Hedera adapted version of the {@link BalanceOperation}. Performs an existence check on the
 * requested {@link Address} Halts the execution of the {@link MessageFrame} with {@link
 * HederaExceptionalHaltReason#INVALID_SOLIDITY_ADDRESS} if the account does not exist or it is
 * deleted.
 */
public class HederaBalanceOperationV038 extends BalanceOperation {

    private BiPredicate addressValidator;
    private final Predicate systemAccountDetector;
    private final EvmProperties evmProperties;

    public HederaBalanceOperationV038(
            GasCalculator gasCalculator,
            BiPredicate addressValidator,
            Predicate systemAccountDetector,
            EvmProperties evmProperties) {
        super(gasCalculator);
        this.addressValidator = addressValidator;
        this.systemAccountDetector = systemAccountDetector;
        this.evmProperties = evmProperties;
    }

    @Override
    public OperationResult execute(MessageFrame frame, EVM evm) {
        final Supplier systemAccountExecutionSupplier = () -> {
            frame.popStackItems(1); // clear the address from the stack
            frame.pushStackItem(UInt256.ZERO);
            return new OperationResult(cost(true), null);
        };
        return HederaEvmOperationsUtilV038.addressCheckExecution(
                frame,
                () -> frame.getStackItem(0),
                () -> cost(true),
                () -> super.execute(frame, evm),
                addressValidator,
                systemAccountDetector,
                systemAccountExecutionSupplier,
                evmProperties);
    }

    @VisibleForTesting
    public BiPredicate getAddressValidator() {
        return addressValidator;
    }

    @VisibleForTesting
    public void setAddressValidator(BiPredicate addressValidator) {
        this.addressValidator = addressValidator;
    }
}