Examples with ValidationPolicy org.hyperledger.besu.ethereum.eth.sync.ValidationPolicy used on opensource projects

Example 1 with ValidationPolicy

use of org.hyperledger.besu.ethereum.eth.sync.ValidationPolicy in project besu by hyperledger.

the class DownloadHeaderSequenceTaskTest method failsWhenPeerReturnsOnlySubsetOfHeaders.

@Test
public void failsWhenPeerReturnsOnlySubsetOfHeaders() {
    final RespondingEthPeer respondingPeer = EthProtocolManagerTestUtil.createPeer(ethProtocolManager);
    // Execute task and wait for response
    final BlockHeader referenceHeader = blockchain.getChainHeadHeader();
    final EthTask<List<BlockHeader>> task = DownloadHeaderSequenceTask.endingAtHeader(protocolSchedule, protocolContext, ethContext, referenceHeader, 10, maxRetries, validationPolicy, metricsSystem);
    final CompletableFuture<List<BlockHeader>> future = task.run();
    // Filter response to include only reference header and previous header
    final RespondingEthPeer.Responder fullResponder = RespondingEthPeer.blockchainResponder(blockchain);
    final RespondingEthPeer.Responder responder = (cap, message) -> {
        final Optional<MessageData> fullResponse = fullResponder.respond(cap, message);
        if (!fullResponse.isPresent() || message.getCode() != EthPV62.GET_BLOCK_HEADERS) {
            return fullResponse;
        }
        final BlockHeadersMessage headersMessage = BlockHeadersMessage.readFrom(fullResponse.get());
        // Filter for a subset of headers
        final List<BlockHeader> headerSubset = headersMessage.getHeaders(protocolSchedule).stream().filter(h -> h.getNumber() >= referenceHeader.getNumber() - 1L).collect(Collectors.toList());
        return Optional.of(BlockHeadersMessage.create(headerSubset));
    };
    respondingPeer.respondTimes(responder, 100);
    assertThat(future.isDone()).isTrue();
    assertThat(future.isCompletedExceptionally()).isTrue();
    assertThatThrownBy(future::get).hasCauseInstanceOf(MaxRetriesReachedException.class);
}

Example 2 with ValidationPolicy

use of org.hyperledger.besu.ethereum.eth.sync.ValidationPolicy in project besu by hyperledger.

the class DownloadHeaderSequenceTaskTest method failsWhenPeerReturnsOnlyReferenceHeader.

@Test
public void failsWhenPeerReturnsOnlyReferenceHeader() {
    final RespondingEthPeer respondingPeer = EthProtocolManagerTestUtil.createPeer(ethProtocolManager);
    // Execute task and wait for response
    final BlockHeader referenceHeader = blockchain.getChainHeadHeader();
    final EthTask<List<BlockHeader>> task = DownloadHeaderSequenceTask.endingAtHeader(protocolSchedule, protocolContext, ethContext, referenceHeader, 10, maxRetries, validationPolicy, metricsSystem);
    final CompletableFuture<List<BlockHeader>> future = task.run();
    // Respond with only the reference header
    final RespondingEthPeer.Responder responder = (cap, message) -> Optional.of(BlockHeadersMessage.create(Collections.singletonList(referenceHeader)));
    respondingPeer.respondWhile(responder, () -> !future.isDone());
    assertThat(future.isDone()).isTrue();
    assertThat(future.isCompletedExceptionally()).isTrue();
    assertThatThrownBy(future::get).hasCauseInstanceOf(MaxRetriesReachedException.class);
}

Example 3 with ValidationPolicy

use of org.hyperledger.besu.ethereum.eth.sync.ValidationPolicy in project besu by hyperledger.

the class FastImportBlocksStepTest method shouldImportBlocks.

@Test
public void shouldImportBlocks() {
    final List<Block> blocks = gen.blockSequence(5);
    final List<BlockWithReceipts> blocksWithReceipts = blocks.stream().map(block -> new BlockWithReceipts(block, gen.receipts(block))).collect(toList());
    for (final BlockWithReceipts blockWithReceipts : blocksWithReceipts) {
        when(blockImporter.fastImportBlock(protocolContext, blockWithReceipts.getBlock(), blockWithReceipts.getReceipts(), FULL, LIGHT)).thenReturn(true);
    }
    importBlocksStep.accept(blocksWithReceipts);
    for (final BlockWithReceipts blockWithReceipts : blocksWithReceipts) {
        verify(protocolSchedule).getByBlockNumber(blockWithReceipts.getNumber());
    }
    verify(validationPolicy, times(blocks.size())).getValidationModeForNextBlock();
}