Examples with ChainUpdater tech.pegasys.teku.storage.client.ChainUpdater used on opensource projects

Example 6 with ChainUpdater

use of tech.pegasys.teku.storage.client.ChainUpdater in project teku by ConsenSys.

the class BlockValidatorTest method shouldReturnInvalidForBlockThatDoesNotDescendFromFinalizedCheckpoint.

@TestTemplate
void shouldReturnInvalidForBlockThatDoesNotDescendFromFinalizedCheckpoint() {
    List<BLSKeyPair> VALIDATOR_KEYS = BLSKeyGenerator.generateKeyPairs(4);
    StorageSystem storageSystem = InMemoryStorageSystemBuilder.buildDefault();
    ChainBuilder chainBuilder = ChainBuilder.create(VALIDATOR_KEYS);
    ChainUpdater chainUpdater = new ChainUpdater(storageSystem.recentChainData(), chainBuilder);
    BlockValidator blockValidator = new BlockValidator(spec, storageSystem.recentChainData());
    chainUpdater.initializeGenesis();
    chainUpdater.updateBestBlock(chainUpdater.advanceChainUntil(1));
    ChainBuilder chainBuilderFork = chainBuilder.fork();
    ChainUpdater chainUpdaterFork = new ChainUpdater(storageSystem.recentChainData(), chainBuilderFork);
    UInt64 startSlotOfFinalizedEpoch = spec.computeStartSlotAtEpoch(UInt64.valueOf(4));
    chainUpdaterFork.advanceChain(20);
    chainUpdater.finalizeEpoch(4);
    SignedBlockAndState blockAndState = chainBuilderFork.generateBlockAtSlot(startSlotOfFinalizedEpoch.increment());
    chainUpdater.saveBlockTime(blockAndState);
    final SafeFuture<InternalValidationResult> result = blockValidator.validate(blockAndState.getBlock());
    assertThat(result).isCompletedWithValueMatching(InternalValidationResult::isReject);
}