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Fix empty body concept after shanghai #5174

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merged 7 commits into from
Mar 7, 2023
Merged

Fix empty body concept after shanghai #5174

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0c39601
Fix empty body concept after shanghai
gfukushima Mar 6, 2023
d4a6251
Check protocolSchedule to create empty block and add withdrawals to e…
gfukushima Mar 7, 2023
4f7c43d
Add unit tests
gfukushima Mar 7, 2023
f782406
Extract block creation into a private method
gfukushima Mar 7, 2023
b9dcdb4
Nit changes
gfukushima Mar 7, 2023
0d305e6
Merge branch 'main' into fix-empty-block-on-CompleteBlocksTask
garyschulte Mar 7, 2023
74ba4cf
Refactor test names
siladu Mar 7, 2023
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32 changes: 30 additions & 2 deletions ...um/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/tasks/CompleteBlocksTask.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,14 @@
import org.hyperledger.besu.plugin.services.MetricsSystem;

import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;

import org.jetbrains.annotations.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

Expand Down Expand Up @@ -74,12 +76,38 @@ private CompleteBlocksTask(
this.blocks =
headers.stream()
.filter(this::hasEmptyBody)
.collect(toMap(BlockHeader::getNumber, header -> new Block(header, BlockBody.empty())));
.collect(
toMap(
BlockHeader::getNumber,
header ->
new Block(
header,
createEmptyBodyBasedOnProtocolSchedule(protocolSchedule, header))));
}

@NotNull
private BlockBody createEmptyBodyBasedOnProtocolSchedule(
final ProtocolSchedule protocolSchedule, final BlockHeader header) {
return new BlockBody(
Collections.emptyList(),
Collections.emptyList(),
isWithdrawalsEnabled(protocolSchedule, header)
? Optional.of(Collections.emptyList())
: Optional.empty());
}

private boolean isWithdrawalsEnabled(
final ProtocolSchedule protocolSchedule, final BlockHeader header) {
return protocolSchedule.getByBlockHeader(header).getWithdrawalsProcessor().isPresent();
}

private boolean hasEmptyBody(final BlockHeader header) {
return header.getOmmersHash().equals(Hash.EMPTY_LIST_HASH)
&& header.getTransactionsRoot().equals(Hash.EMPTY_TRIE_HASH);
&& header.getTransactionsRoot().equals(Hash.EMPTY_TRIE_HASH)
&& header
.getWithdrawalsRoot()
.map(wsRoot -> wsRoot.equals(Hash.EMPTY_TRIE_HASH))
.orElse(true);
}

public static CompleteBlocksTask forHeaders(
Expand Down
124 changes: 124 additions & 0 deletions ...th/src/test/java/org/hyperledger/besu/ethereum/eth/sync/tasks/CompleteBlocksTaskTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,26 +17,42 @@
import static java.util.Arrays.asList;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;

import org.hyperledger.besu.datatypes.Address;
import org.hyperledger.besu.datatypes.GWei;
import org.hyperledger.besu.datatypes.Hash;
import org.hyperledger.besu.ethereum.chain.Blockchain;
import org.hyperledger.besu.ethereum.core.Block;
import org.hyperledger.besu.ethereum.core.BlockBody;
import org.hyperledger.besu.ethereum.core.BlockHeader;
import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;
import org.hyperledger.besu.ethereum.core.Withdrawal;
import org.hyperledger.besu.ethereum.eth.manager.EthProtocolManagerTestUtil;
import org.hyperledger.besu.ethereum.eth.manager.RespondingEthPeer;
import org.hyperledger.besu.ethereum.eth.manager.ethtaskutils.RetryingMessageTaskTest;
import org.hyperledger.besu.ethereum.eth.manager.exceptions.MaxRetriesReachedException;
import org.hyperledger.besu.ethereum.eth.manager.task.EthTask;
import org.hyperledger.besu.ethereum.eth.messages.GetBlockBodiesMessage;
import org.hyperledger.besu.ethereum.mainnet.BodyValidation;
import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
import org.hyperledger.besu.ethereum.mainnet.ProtocolSpec;
import org.hyperledger.besu.ethereum.mainnet.WithdrawalsProcessor;
import org.hyperledger.besu.ethereum.p2p.rlpx.wire.MessageData;
import org.hyperledger.besu.metrics.noop.NoOpMetricsSystem;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;

import org.apache.tuweni.units.bigints.UInt64;
import org.junit.Test;
import org.mockito.Mockito;

public class CompleteBlocksTaskTest extends RetryingMessageTaskTest<List<Block>> {

Expand Down Expand Up @@ -79,6 +95,114 @@ public void shouldCompleteWithoutPeersWhenAllBlocksAreEmpty() {
assertThat(task.run()).isCompletedWithValue(blocks);
}

@Test
public void shouldCreateWithdrawalsAwareEmptyBlock_whenWithdrawalsAreEnabled() {
final ProtocolSchedule mockProtocolSchedule = Mockito.mock(ProtocolSchedule.class);
final ProtocolSpec mockParisSpec = Mockito.mock(ProtocolSpec.class);
final ProtocolSpec mockShanghaiSpec = Mockito.mock(ProtocolSpec.class);
final WithdrawalsProcessor mockWithdrawalsProcessor = Mockito.mock(WithdrawalsProcessor.class);

final BlockHeader header1 =
new BlockHeaderTestFixture().number(1).withdrawalsRoot(null).buildHeader();
final BlockHeader header2 =
new BlockHeaderTestFixture().number(2).withdrawalsRoot(Hash.EMPTY_TRIE_HASH).buildHeader();

when(mockProtocolSchedule.getByBlockHeader((eq(header1)))).thenReturn(mockParisSpec);
when(mockParisSpec.getWithdrawalsProcessor()).thenReturn(Optional.empty());
when(mockProtocolSchedule.getByBlockHeader((eq(header2)))).thenReturn(mockShanghaiSpec);
when(mockShanghaiSpec.getWithdrawalsProcessor())
.thenReturn(Optional.of(mockWithdrawalsProcessor));

final Block block1 =
new Block(
header1,
new BlockBody(Collections.emptyList(), Collections.emptyList(), Optional.empty()));
final Block block2 =
new Block(
header2,
new BlockBody(
Collections.emptyList(),
Collections.emptyList(),
Optional.of(Collections.emptyList())));

final List<Block> expectedBlocks = asList(block1, block2);
final EthTask<List<Block>> task =
CompleteBlocksTask.forHeaders(
mockProtocolSchedule,
ethContext,
List.of(header1, header2),
maxRetries,
new NoOpMetricsSystem());
assertThat(task.run()).isCompletedWithValue(expectedBlocks);
}

@Test
public void shouldCompleteBlockThatOnlyContainsWithdrawals_whenWithdrawalsAreEnabled() {
final ProtocolSchedule mockProtocolSchedule = Mockito.mock(ProtocolSchedule.class);
final ProtocolSpec mockParisSpec = Mockito.mock(ProtocolSpec.class);
final ProtocolSpec mockShanghaiSpec = Mockito.mock(ProtocolSpec.class);
final WithdrawalsProcessor mockWithdrawalsProcessor = Mockito.mock(WithdrawalsProcessor.class);

final Withdrawal withdrawal =
new Withdrawal(UInt64.ONE, UInt64.ONE, Address.fromHexString("0x1"), GWei.ONE);
final List<Withdrawal> withdrawals = List.of(withdrawal);
final Hash withdrawalsRoot = BodyValidation.withdrawalsRoot(withdrawals);

final BlockHeader header1 = new BlockHeaderTestFixture().number(1).buildHeader();
final BlockHeader header2 =
new BlockHeaderTestFixture().number(2).withdrawalsRoot(withdrawalsRoot).buildHeader();
final BlockHeader header3 =
new BlockHeaderTestFixture().number(3).withdrawalsRoot(Hash.EMPTY_TRIE_HASH).buildHeader();

final Block block1 = new Block(header1, BlockBody.empty());
final Block block2 =
new Block(
header2,
new BlockBody(
Collections.emptyList(), Collections.emptyList(), Optional.of(withdrawals)));
final Block block3 =
new Block(
header3,
new BlockBody(
Collections.emptyList(),
Collections.emptyList(),
Optional.of(Collections.emptyList())));
final List<Block> expected = asList(block1, block2, block3);

final RespondingEthPeer respondingPeer =
EthProtocolManagerTestUtil.createPeer(ethProtocolManager, 1000);
final RespondingEthPeer.Responder responder = responderForFakeBlocks(expected);

when(mockProtocolSchedule.getByBlockHeader((eq(header1)))).thenReturn(mockParisSpec);
when(mockParisSpec.getWithdrawalsProcessor()).thenReturn(Optional.empty());
when(mockProtocolSchedule.getByBlockHeader((eq(header3)))).thenReturn(mockShanghaiSpec);
when(mockShanghaiSpec.getWithdrawalsProcessor())
.thenReturn(Optional.of(mockWithdrawalsProcessor));

final EthTask<List<Block>> task =
CompleteBlocksTask.forHeaders(
mockProtocolSchedule,
ethContext,
List.of(header1, header2, header3),
maxRetries,
new NoOpMetricsSystem());

final CompletableFuture<List<Block>> runningTask = task.run();

assertThat(runningTask).isNotDone();
respondingPeer.respond(responder);
assertThat(runningTask).isCompletedWithValue(expected);
}

private RespondingEthPeer.Responder responderForFakeBlocks(final List<Block> blocks) {
final Blockchain mockBlockchain = spy(blockchain);
for (Block block : blocks) {
when(mockBlockchain.getBlockBody(block.getHash())).thenReturn(Optional.of(block.getBody()));
}

return RespondingEthPeer.blockchainResponder(mockBlockchain);
}

@SuppressWarnings("unchecked")
@Test
public void shouldReduceTheBlockSegmentSizeAfterEachRetry() {
Expand Down