forked from hyperledger/besu
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add hooks to AbstractCreateOperation for library users (hyperledger#5656
) Add hooks for a successful contract create, a failed contract create, and an invalid contact create. Users of the library will be able to customize create responses without having to replace core logic. Signed-off-by: Danno Ferrin <danno.ferrin@swirldslabs.com>
- Loading branch information
1 parent
b1461d7
commit 5ce31b0
Showing
3 changed files
with
280 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
235 changes: 235 additions & 0 deletions
235
evm/src/test/java/org/hyperledger/besu/evm/operation/AbstractCreateOperationTest.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| /* | ||
| * 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.evm.operation; | ||
|
|
||
| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.mockito.ArgumentMatchers.any; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
|
|
||
| import org.hyperledger.besu.datatypes.Address; | ||
| import org.hyperledger.besu.datatypes.Hash; | ||
| import org.hyperledger.besu.datatypes.Wei; | ||
| import org.hyperledger.besu.evm.EVM; | ||
| import org.hyperledger.besu.evm.MainnetEVMs; | ||
| import org.hyperledger.besu.evm.account.Account; | ||
| import org.hyperledger.besu.evm.account.MutableAccount; | ||
| import org.hyperledger.besu.evm.code.CodeFactory; | ||
| import org.hyperledger.besu.evm.code.CodeInvalid; | ||
| import org.hyperledger.besu.evm.frame.BlockValues; | ||
| import org.hyperledger.besu.evm.frame.ExceptionalHaltReason; | ||
| import org.hyperledger.besu.evm.frame.MessageFrame; | ||
| import org.hyperledger.besu.evm.gascalculator.ConstantinopleGasCalculator; | ||
| import org.hyperledger.besu.evm.gascalculator.GasCalculator; | ||
| import org.hyperledger.besu.evm.internal.EvmConfiguration; | ||
| import org.hyperledger.besu.evm.internal.Words; | ||
| import org.hyperledger.besu.evm.processor.ContractCreationProcessor; | ||
| import org.hyperledger.besu.evm.tracing.OperationTracer; | ||
| import org.hyperledger.besu.evm.worldstate.WorldUpdater; | ||
| import org.hyperledger.besu.evm.worldstate.WrappedEvmAccount; | ||
|
|
||
| import java.util.ArrayDeque; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
|
|
||
| import org.apache.tuweni.bytes.Bytes; | ||
| import org.apache.tuweni.units.bigints.UInt256; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
||
| class AbstractCreateOperationTest { | ||
|
|
||
| private final WorldUpdater worldUpdater = mock(WorldUpdater.class); | ||
| private final WrappedEvmAccount account = mock(WrappedEvmAccount.class); | ||
| private final WrappedEvmAccount newAccount = mock(WrappedEvmAccount.class); | ||
| private final MutableAccount mutableAccount = mock(MutableAccount.class); | ||
| private final MutableAccount newMutableAccount = mock(MutableAccount.class); | ||
| private final FakeCreateOperation operation = | ||
| new FakeCreateOperation(new ConstantinopleGasCalculator(), Integer.MAX_VALUE); | ||
|
|
||
| private static final Bytes SIMPLE_CREATE = | ||
| Bytes.fromHexString( | ||
| "0x" | ||
| + "6000" // PUSH1 0x00 | ||
| + "6000" // PUSH1 0x00 | ||
| + "F3" // RETURN | ||
| ); | ||
| private static final Bytes POP_UNDERFLOW_CREATE = | ||
| Bytes.fromHexString( | ||
| "0x" | ||
| + "50" // POP (but empty stack) | ||
| + "6000" // PUSH1 0x00 | ||
| + "6000" // PUSH1 0x00 | ||
| + "F3" // RETURN | ||
| ); | ||
| public static final Bytes INVALID_EOF = | ||
| Bytes.fromHexString( | ||
| "0x" | ||
| + "73EF99010100040200010001030000000000000000" // PUSH20 contract | ||
| + "6000" // PUSH1 0x00 | ||
| + "52" // MSTORE | ||
| + "6014" // PUSH1 20 | ||
| + "600c" // PUSH1 12 | ||
| + "F3" // RETURN | ||
| ); | ||
| public static final String SENDER = "0xdeadc0de00000000000000000000000000000000"; | ||
|
|
||
| /** The Create operation. */ | ||
| public static class FakeCreateOperation extends AbstractCreateOperation { | ||
|
|
||
| private MessageFrame successFrame; | ||
| private Address successCreatedAddress; | ||
| private MessageFrame failureFrame; | ||
| private Optional<ExceptionalHaltReason> failureHaltReason; | ||
| private MessageFrame invalidFrame; | ||
| private CodeInvalid invalidInvalidCode; | ||
|
|
||
| /** | ||
| * Instantiates a new Create operation. | ||
| * | ||
| * @param gasCalculator the gas calculator | ||
| * @param maxInitcodeSize Maximum init code size | ||
| */ | ||
| public FakeCreateOperation(final GasCalculator gasCalculator, final int maxInitcodeSize) { | ||
| super(0xEF, "FAKECREATE", 3, 1, gasCalculator, maxInitcodeSize); | ||
| } | ||
|
|
||
| @Override | ||
| public long cost(final MessageFrame frame) { | ||
| return gasCalculator().createOperationGasCost(frame); | ||
| } | ||
|
|
||
| @Override | ||
| protected Address targetContractAddress(final MessageFrame frame) { | ||
| final Account sender = frame.getWorldUpdater().get(frame.getRecipientAddress()); | ||
| // Decrement nonce by 1 to normalize the effect of transaction execution | ||
| final Address address = | ||
| Address.contractAddress(frame.getRecipientAddress(), sender.getNonce() - 1L); | ||
| frame.warmUpAddress(address); | ||
| return address; | ||
| } | ||
|
|
||
| @Override | ||
| protected void onSuccess(final MessageFrame frame, final Address createdAddress) { | ||
| successFrame = frame; | ||
| successCreatedAddress = createdAddress; | ||
| } | ||
|
|
||
| @Override | ||
| protected void onFailure( | ||
| final MessageFrame frame, final Optional<ExceptionalHaltReason> haltReason) { | ||
| failureFrame = frame; | ||
| failureHaltReason = haltReason; | ||
| } | ||
|
|
||
| @Override | ||
| protected void onInvalid(final MessageFrame frame, final CodeInvalid invalidCode) { | ||
| invalidFrame = frame; | ||
| invalidInvalidCode = invalidCode; | ||
| } | ||
| } | ||
|
|
||
| private void executeOperation(final Bytes contract, final EVM evm) { | ||
| final UInt256 memoryOffset = UInt256.fromHexString("0xFF"); | ||
| final ArrayDeque<MessageFrame> messageFrameStack = new ArrayDeque<>(); | ||
| final MessageFrame messageFrame = | ||
| MessageFrame.builder() | ||
| .type(MessageFrame.Type.CONTRACT_CREATION) | ||
| .contract(Address.ZERO) | ||
| .inputData(Bytes.EMPTY) | ||
| .sender(Address.fromHexString(SENDER)) | ||
| .value(Wei.ZERO) | ||
| .apparentValue(Wei.ZERO) | ||
| .code(CodeFactory.createCode(SIMPLE_CREATE, 0, true)) | ||
| .depth(1) | ||
| .completer(__ -> {}) | ||
| .address(Address.fromHexString(SENDER)) | ||
| .blockHashLookup(n -> Hash.hash(Words.longBytes(n))) | ||
| .blockValues(mock(BlockValues.class)) | ||
| .gasPrice(Wei.ZERO) | ||
| .messageFrameStack(messageFrameStack) | ||
| .miningBeneficiary(Address.ZERO) | ||
| .originator(Address.ZERO) | ||
| .initialGas(100000L) | ||
| .worldUpdater(worldUpdater) | ||
| .build(); | ||
| messageFrame.pushStackItem(Bytes.ofUnsignedLong(contract.size())); | ||
| messageFrame.pushStackItem(memoryOffset); | ||
| messageFrame.pushStackItem(Bytes.EMPTY); | ||
| messageFrame.expandMemory(0, 500); | ||
| messageFrame.writeMemory(memoryOffset.trimLeadingZeros().toInt(), contract.size(), contract); | ||
|
|
||
| when(account.getMutable()).thenReturn(mutableAccount); | ||
| when(account.getNonce()).thenReturn(55L); | ||
| when(mutableAccount.getBalance()).thenReturn(Wei.ZERO); | ||
| when(worldUpdater.getAccount(any())).thenReturn(account); | ||
| when(worldUpdater.get(any())).thenReturn(account); | ||
| when(worldUpdater.getSenderAccount(any())).thenReturn(account); | ||
| when(worldUpdater.getOrCreate(any())).thenReturn(newAccount); | ||
| when(newAccount.getMutable()).thenReturn(newMutableAccount); | ||
| when(newMutableAccount.getCode()).thenReturn(Bytes.EMPTY); | ||
| when(worldUpdater.updater()).thenReturn(worldUpdater); | ||
|
|
||
| operation.execute(messageFrame, evm); | ||
| final MessageFrame createFrame = messageFrameStack.peek(); | ||
| final ContractCreationProcessor ccp = | ||
| new ContractCreationProcessor(evm.getGasCalculator(), evm, false, List.of(), 0, List.of()); | ||
| ccp.process(createFrame, OperationTracer.NO_TRACING); | ||
| } | ||
|
|
||
| @Test | ||
| void onSuccess() { | ||
| final EVM evm = MainnetEVMs.london(EvmConfiguration.DEFAULT); | ||
|
|
||
| executeOperation(SIMPLE_CREATE, evm); | ||
|
|
||
| assertThat(operation.successFrame).isNotNull(); | ||
| assertThat(operation.successCreatedAddress) | ||
| .isEqualTo(Address.fromHexString("0xecccb0113190dfd26a044a7f26f45152a4270a64")); | ||
| assertThat(operation.failureFrame).isNull(); | ||
| assertThat(operation.failureHaltReason).isNull(); | ||
| assertThat(operation.invalidFrame).isNull(); | ||
| assertThat(operation.invalidInvalidCode).isNull(); | ||
| } | ||
|
|
||
| @Test | ||
| void onFailure() { | ||
| final EVM evm = MainnetEVMs.london(EvmConfiguration.DEFAULT); | ||
|
|
||
| executeOperation(POP_UNDERFLOW_CREATE, evm); | ||
|
|
||
| assertThat(operation.successFrame).isNull(); | ||
| assertThat(operation.successCreatedAddress).isNull(); | ||
| assertThat(operation.failureFrame).isNotNull(); | ||
| assertThat(operation.failureHaltReason) | ||
| .contains(ExceptionalHaltReason.INSUFFICIENT_STACK_ITEMS); | ||
| assertThat(operation.invalidFrame).isNull(); | ||
| assertThat(operation.invalidInvalidCode).isNull(); | ||
| } | ||
|
|
||
| @Test | ||
| void onInvalid() { | ||
| final EVM evm = MainnetEVMs.futureEips(EvmConfiguration.DEFAULT); | ||
|
|
||
| executeOperation(INVALID_EOF, evm); | ||
|
|
||
| assertThat(operation.successFrame).isNull(); | ||
| assertThat(operation.successCreatedAddress).isNull(); | ||
| assertThat(operation.failureFrame).isNull(); | ||
| assertThat(operation.failureHaltReason).isNull(); | ||
| assertThat(operation.invalidFrame).isNotNull(); | ||
| assertThat(operation.invalidInvalidCode).isNotNull(); | ||
| } | ||
| } |