com.hedera.node.app.service.evm.contracts.operations.HederaEvmOperationsUtil Maven / Gradle / Ivy
/*
* Copyright (C) 2022-2024 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 java.util.function.BiPredicate;
import java.util.function.LongSupplier;
import java.util.function.Supplier;
import org.apache.tuweni.bytes.Bytes;
import org.hyperledger.besu.datatypes.Address;
import org.hyperledger.besu.evm.frame.ExceptionalHaltReason;
import org.hyperledger.besu.evm.frame.MessageFrame;
import org.hyperledger.besu.evm.internal.UnderflowException;
import org.hyperledger.besu.evm.internal.Words;
import org.hyperledger.besu.evm.operation.Operation;
public interface HederaEvmOperationsUtil {
/**
* An extracted address check and execution of extended Hedera Operations. Halts the execution
* of the EVM transaction with {@link HederaExceptionalHaltReason#INVALID_SOLIDITY_ADDRESS} if
* the account does not exist, or it is deleted.
*
* @param frame The current message frame
* @param supplierAddressBytes Supplier for the address bytes
* @param supplierHaltGasCost Supplier for the gas cost
* @param supplierExecution Supplier with the execution
* @param addressValidator Address validator predicate
* @return The operation result of the execution
*/
static Operation.OperationResult addressCheckExecution(
MessageFrame frame,
Supplier supplierAddressBytes,
LongSupplier supplierHaltGasCost,
Supplier supplierExecution,
BiPredicate addressValidator) {
try {
final var address = Words.toAddress(supplierAddressBytes.get());
if (Boolean.FALSE.equals(addressValidator.test(address, frame))) {
return new Operation.OperationResult(
supplierHaltGasCost.getAsLong(), HederaExceptionalHaltReason.INVALID_SOLIDITY_ADDRESS);
}
return supplierExecution.get();
} catch (final UnderflowException ufe) {
return new Operation.OperationResult(
supplierHaltGasCost.getAsLong(), ExceptionalHaltReason.INSUFFICIENT_STACK_ITEMS);
}
}
}