Examples with RLP org.hyperledger.besu.ethereum.rlp.RLP used on opensource projects

Example 1 with RLP

use of org.hyperledger.besu.ethereum.rlp.RLP in project besu by hyperledger.

the class FastWorldStateDownloaderTest method doesNotRequestKnownStorageTrieNodesFromNetwork.

@Test
public void doesNotRequestKnownStorageTrieNodesFromNetwork() {
    // Setup "remote" state
    final WorldStateStorage remoteStorage = new WorldStateKeyValueStorage(new InMemoryKeyValueStorage());
    final WorldStateArchive remoteWorldStateArchive = new DefaultWorldStateArchive(remoteStorage, createPreimageStorage());
    final MutableWorldState remoteWorldState = remoteWorldStateArchive.getMutable();
    // Generate accounts and save corresponding state root
    final List<Account> accounts = dataGen.createRandomContractAccountsWithNonEmptyStorage(remoteWorldState, 20);
    final Hash stateRoot = remoteWorldState.rootHash();
    final BlockHeader header = dataGen.block(BlockOptions.create().setStateRoot(stateRoot).setBlockNumber(10)).getHeader();
    // Create some peers
    final List<RespondingEthPeer> peers = Stream.generate(() -> EthProtocolManagerTestUtil.createPeer(ethProtocolManager, header.getNumber())).limit(5).collect(Collectors.toList());
    final InMemoryTasksPriorityQueues<NodeDataRequest> taskCollection = new InMemoryTasksPriorityQueues<>();
    final WorldStateStorage localStorage = new WorldStateKeyValueStorage(new InMemoryKeyValueStorage());
    // Seed local storage with some trie node values
    final List<Bytes32> storageRootHashes = new StoredMerklePatriciaTrie<>(remoteStorage::getNodeData, remoteWorldState.rootHash(), Function.identity(), Function.identity()).entriesFrom(Bytes32.ZERO, 5).values().stream().map(RLP::input).map(StateTrieAccountValue::readFrom).map(StateTrieAccountValue::getStorageRoot).collect(Collectors.toList());
    final Map<Bytes32, Bytes> allTrieNodes = new HashMap<>();
    final Set<Bytes32> knownNodes = new HashSet<>();
    final Set<Bytes32> unknownNodes = new HashSet<>();
    for (final Bytes32 storageRootHash : storageRootHashes) {
        allTrieNodes.putAll(collectTrieNodesToBeRequestedAfterRoot(remoteStorage, storageRootHash, 5));
    }
    // Sanity check
    assertThat(allTrieNodes.size()).isGreaterThan(0);
    final Updater localStorageUpdater = localStorage.updater();
    boolean storeNode = true;
    for (final Map.Entry<Bytes32, Bytes> entry : allTrieNodes.entrySet()) {
        final Bytes32 hash = entry.getKey();
        final Bytes data = entry.getValue();
        if (storeNode) {
            localStorageUpdater.putAccountStorageTrieNode(null, null, hash, data);
            knownNodes.add(hash);
        } else {
            unknownNodes.add(hash);
        }
        storeNode = !storeNode;
    }
    localStorageUpdater.commit();
    final WorldStateDownloader downloader = createDownloader(ethProtocolManager.ethContext(), localStorage, taskCollection);
    final FastSyncState fastSyncState = new FastSyncState(header);
    final CompletableFuture<Void> result = downloader.run(null, fastSyncState);
    // Respond to node data requests
    final List<MessageData> sentMessages = new ArrayList<>();
    final RespondingEthPeer.Responder blockChainResponder = RespondingEthPeer.blockchainResponder(mock(Blockchain.class), remoteWorldStateArchive, mock(TransactionPool.class));
    final RespondingEthPeer.Responder responder = RespondingEthPeer.wrapResponderWithCollector(blockChainResponder, sentMessages);
    respondUntilDone(peers, responder, result);
    // World state should be available by the time the result is complete
    assertThat(localStorage.isWorldStateAvailable(stateRoot, header.getHash())).isTrue();
    // Check that unknown trie nodes were requested
    final List<Bytes32> requestedHashes = sentMessages.stream().filter(m -> m.getCode() == EthPV63.GET_NODE_DATA).map(GetNodeDataMessage::readFrom).flatMap(m -> StreamSupport.stream(m.hashes().spliterator(), true)).collect(Collectors.toList());
    assertThat(requestedHashes.size()).isGreaterThan(0);
    assertThat(requestedHashes).containsAll(unknownNodes);
    assertThat(requestedHashes).doesNotContainAnyElementsOf(knownNodes);
    // Check that all expected account data was downloaded
    final WorldStateArchive localWorldStateArchive = new DefaultWorldStateArchive(localStorage, createPreimageStorage());
    final WorldState localWorldState = localWorldStateArchive.get(stateRoot, null).get();
    assertThat(result).isDone();
    assertAccountsMatch(localWorldState, accounts);
}

Example 2 with RLP

use of org.hyperledger.besu.ethereum.rlp.RLP in project besu by hyperledger.

the class AccountTrieNodeDataRequest method getRootStorageRequests.

@Override
public Stream<SnapDataRequest> getRootStorageRequests(final WorldStateStorage worldStateStorage) {
    final List<SnapDataRequest> requests = new ArrayList<>();
    final StoredMerklePatriciaTrie<Bytes, Bytes> accountTrie = new StoredMerklePatriciaTrie<>(worldStateStorage::getAccountStateTrieNode, Hash.hash(data), getLocation(), Function.identity(), Function.identity());
    for (Bytes account : inconsistentAccounts) {
        final Bytes32 accountHash = Bytes32.wrap(CompactEncoding.pathToBytes(account));
        accountTrie.getPath(Bytes.wrap(account.toArrayUnsafe(), getLocation().size(), account.size() - getLocation().size())).map(RLP::input).map(StateTrieAccountValue::readFrom).ifPresent(stateTrieAccountValue -> {
            // an account need a heal step
            requests.add(createStorageTrieNodeDataRequest(stateTrieAccountValue.getStorageRoot(), Hash.wrap(accountHash), getRootHash(), Bytes.EMPTY));
        });
    }
    return requests.stream();
}

Example 3 with RLP

use of org.hyperledger.besu.ethereum.rlp.RLP in project besu by hyperledger.

the class WorldStateProofProvider method getAccountProof.

public Optional<WorldStateProof> getAccountProof(final Hash worldStateRoot, final Address accountAddress, final List<UInt256> accountStorageKeys) {
    if (!worldStateStorage.isWorldStateAvailable(worldStateRoot, null)) {
        return Optional.empty();
    } else {
        final Hash accountHash = Hash.hash(accountAddress);
        final Proof<Bytes> accountProof = newAccountStateTrie(worldStateRoot).getValueWithProof(accountHash);
        return accountProof.getValue().map(RLP::input).map(StateTrieAccountValue::readFrom).map(account -> {
            final SortedMap<UInt256, Proof<Bytes>> storageProofs = getStorageProofs(accountHash, account, accountStorageKeys);
            return new WorldStateProof(account, accountProof, storageProofs);
        });
    }
}