Examples with BftBlockCreator org.hyperledger.besu.consensus.common.bft.blockcreation.BftBlockCreator used on opensource projects

Example 1 with BftBlockCreator

use of org.hyperledger.besu.consensus.common.bft.blockcreation.BftBlockCreator in project besu by hyperledger.

the class BftBlockCreatorTest method createdBlockPassesValidationRulesAndHasAppropriateHashAndMixHash.

@Test
public void createdBlockPassesValidationRulesAndHasAppropriateHashAndMixHash() {
    // Construct a parent block.
    final BlockHeaderTestFixture blockHeaderBuilder = new BlockHeaderTestFixture();
    // required to pass validation rule checks.
    blockHeaderBuilder.gasLimit(5000);
    final BlockHeader parentHeader = blockHeaderBuilder.buildHeader();
    final Optional<BlockHeader> optionalHeader = Optional.of(parentHeader);
    // Construct a block chain and world state
    final MutableBlockchain blockchain = mock(MutableBlockchain.class);
    when(blockchain.getChainHeadHash()).thenReturn(parentHeader.getHash());
    when(blockchain.getBlockHeader(any())).thenReturn(optionalHeader);
    final BlockHeader blockHeader = mock(BlockHeader.class);
    when(blockHeader.getBaseFee()).thenReturn(Optional.empty());
    when(blockchain.getChainHeadHeader()).thenReturn(blockHeader);
    final List<Address> initialValidatorList = Lists.newArrayList();
    for (int i = 0; i < 4; i++) {
        initialValidatorList.add(AddressHelpers.ofValue(i));
    }
    final IbftExtraDataCodec bftExtraDataEncoder = new IbftExtraDataCodec();
    final BaseBftProtocolSchedule bftProtocolSchedule = new BaseBftProtocolSchedule() {

        @Override
        public BlockHeaderValidator.Builder createBlockHeaderRuleset(final BftConfigOptions config, final FeeMarket feeMarket) {
            return IbftBlockHeaderValidationRulesetFactory.blockHeaderValidator(5, Optional.empty());
        }
    };
    final GenesisConfigOptions configOptions = GenesisConfigFile.fromConfig("{\"config\": {\"spuriousDragonBlock\":0}}").getConfigOptions();
    final ForksSchedule<BftConfigOptions> forksSchedule = new ForksSchedule<>(List.of(new ForkSpec<>(0, configOptions.getBftConfigOptions())));
    final ProtocolSchedule protocolSchedule = bftProtocolSchedule.createProtocolSchedule(configOptions, forksSchedule, PrivacyParameters.DEFAULT, false, bftExtraDataEncoder, EvmConfiguration.DEFAULT);
    final ProtocolContext protContext = new ProtocolContext(blockchain, createInMemoryWorldStateArchive(), setupContextWithBftExtraDataEncoder(initialValidatorList, bftExtraDataEncoder));
    final GasPricePendingTransactionsSorter pendingTransactions = new GasPricePendingTransactionsSorter(TransactionPoolConfiguration.DEFAULT_TX_RETENTION_HOURS, 1, TestClock.fixed(), metricsSystem, blockchain::getChainHeadHeader, TransactionPoolConfiguration.DEFAULT_PRICE_BUMP);
    final BftBlockCreator blockCreator = new BftBlockCreator(forksSchedule, initialValidatorList.get(0), () -> Optional.of(10_000_000L), parent -> bftExtraDataEncoder.encode(new BftExtraData(Bytes.wrap(new byte[32]), Collections.emptyList(), Optional.empty(), 0, initialValidatorList)), pendingTransactions, protContext, protocolSchedule, Wei.ZERO, 0.8, parentHeader, bftExtraDataEncoder);
    final int secondsBetweenBlocks = 1;
    final Block block = blockCreator.createBlock(parentHeader.getTimestamp() + 1);
    final BlockHeaderValidator rules = IbftBlockHeaderValidationRulesetFactory.blockHeaderValidator(secondsBetweenBlocks, Optional.empty()).build();
    // NOTE: The header will not contain commit seals, so can only do light validation on header.
    final boolean validationResult = rules.validateHeader(block.getHeader(), parentHeader, protContext, HeaderValidationMode.LIGHT);
    assertThat(validationResult).isTrue();
    final BlockHeader header = block.getHeader();
    final BftExtraData extraData = bftExtraDataEncoder.decode(header);
    assertThat(block.getHash()).isEqualTo(new BftBlockHashing(bftExtraDataEncoder).calculateDataHashForCommittedSeal(header, extraData));
}