Examples with HashId com.icodici.universa.HashId used on opensource projects

Example 21 with HashId

use of com.icodici.universa.HashId in project universa by UniversaBlockchain.

the class SqliteLedgerTest method recordExpiration.

@Test
public void recordExpiration() throws Exception {
    // todo: expired can't be get - it should be dropped by the database
    HashId hashId = HashId.createRandom();
    StateRecord r = ledger.findOrCreate(hashId);
    long recordId = r.getRecordId();
    ZonedDateTime inFuture = ZonedDateTime.now().plusHours(2);
    r.setExpiresAt(inFuture);
    StateRecord r1 = ledger.getRecord(hashId);
    assertNotEquals(r1.getExpiresAt(), inFuture);
    r.save();
    r1 = ledger.getRecord(hashId);
    assertAlmostSame(r.getExpiresAt(), r1.getExpiresAt());
    r.setExpiresAt(ZonedDateTime.now().minusHours(1));
    r.save();
    r1 = ledger.getRecord(hashId);
    assertNull(r1);
}

Example 22 with HashId

use of com.icodici.universa.HashId in project universa by UniversaBlockchain.

the class SqliteLedgerTest method ledgerBenchmark.

// @Test
public void ledgerBenchmark() throws Exception {
    ExecutorService es = Executors.newCachedThreadPool();
    // ExecutorService es = Executors.newSingleThreadExecutor();
    List<Future<?>> ff = new ArrayList<>();
    long t = StopWatch.measure(true, () -> {
        for (int n = 0; n < 4; n++) {
            final int x = n;
            ff.add(es.submit(() -> {
                HashId[] ids = new HashId[10000];
                for (int i = 0; i < ids.length; i++) ids[i] = HashId.createRandom();
                System.out.println(x);
                StopWatch.measure(true, () -> {
                    for (HashId i : ids) {
                        try {
                            ledger.findOrCreate(i);
                        } catch (Exception e) {
                            e.printStackTrace();
                            fail(e.getMessage());
                        }
                    }
                });
                System.out.println("end-" + x);
                return null;
            }));
        }
        ff.forEach(f -> {
            try {
                f.get();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (ExecutionException e) {
                e.printStackTrace();
            }
        });
        System.out.println("total");
    });
    System.out.println("TPS: " + (4.0 * 10000 * 1000 / t));
    System.out.println("" + ledger.getDb().queryOne("SELECT count(*) from ledger"));
}

Example 23 with HashId

use of com.icodici.universa.HashId in project universa by UniversaBlockchain.

the class SqliteLedgerTest method checkNegatoveBytesInId.

@Test
public void checkNegatoveBytesInId() throws Exception {
    HashId id = HashId.withDigest(Do.randomNegativeBytes(64));
    StateRecord r1 = ledger.findOrCreate(id);
    r1.setState(ItemState.DECLINED);
    r1.save();
    StateRecord r2 = ledger.getRecord(id);
    assertNotNull(r2);
    assertNotSame(r1, r2);
    assertEquals(r1.getState(), r2.getState());
    ledger.enableCache(true);
    StateRecord r3 = ledger.getRecord(id);
    StateRecord r4 = ledger.getRecord(id);
    assertEquals(r3.toString(), r4.toString());
    // why?
    assertSame(r3, r4);
}

Example 24 with HashId

use of com.icodici.universa.HashId in project universa by UniversaBlockchain.

the class Client method getState.

public ItemResult getState(HashId itemId, Reporter reporter) throws ClientError {
    final ExecutorService pool = Executors.newCachedThreadPool();
    final List<ErrorRecord> errors = new ArrayList<>();
    final AsyncEvent<Void> consensusFound = new AsyncEvent<>();
    final int checkConsensus = getNodes().size() / 3;
    final AtomicInteger nodesLeft = new AtomicInteger(nodes.size());
    return protect(() -> {
        final Map<ItemState, List<ItemResult>> states = new HashMap<>();
        for (int i = 0; i < nodes.size(); i++) {
            final int nn = i;
            pool.submit(() -> {
                for (int retry = 0; retry < 5; retry++) {
                    // reporter.verbose("trying "+reporter+" for node "+nn);
                    try {
                        Client c = getClient(nn);
                        ItemResult r = c.command("getState", "itemId", itemId).getOrThrow("itemResult");
                        r.meta.put("url", c.getNodeNumber());
                        synchronized (states) {
                            List<ItemResult> list = states.get(r.state);
                            if (list == null) {
                                list = new ArrayList();
                                states.put(r.state, list);
                            }
                            list.add(r);
                            if (r.errors.size() > 0)
                                reporter.warning("errors from " + c.getNodeNumber() + ": " + r.errors);
                            break;
                        }
                    } catch (IOException e) {
                    // reporter.warning("can't get answer from node " + nn + ", retry #" + retry + ": " + e);
                    }
                }
                // Now we should check the consensus
                states.forEach((itemState, itemResults) -> {
                    if (itemResults.size() >= checkConsensus)
                        if (itemResults.size() >= checkConsensus) {
                            consensusFound.fire();
                            return;
                        }
                });
                if (nodesLeft.decrementAndGet() < 1)
                    consensusFound.fire();
            });
        }
        consensusFound.await(5000);
        pool.shutdownNow();
        final ItemResult[] consensus = new ItemResult[1];
        states.forEach((itemState, itemResults) -> {
            if (itemResults.size() >= checkConsensus)
                consensus[0] = itemResults.get(0);
        });
        if (consensus[0] != null)
            reporter.message("State consensus found:" + consensus[0]);
        else {
            reporter.warning("no consensus found " + states.size());
        }
        if (states.size() > 1) {
            states.entrySet().stream().sorted(Comparator.comparingInt(o -> o.getValue().size())).forEach(kv -> {
                List<ItemResult> itemResults = kv.getValue();
                reporter.message("" + kv.getKey() + ": " + itemResults.size() + ": " + itemResults.stream().map(x -> x.meta.getStringOrThrow("url")).collect(Collectors.toSet()));
            });
        }
        return consensus[0];
    });
}

Example 25 with HashId

use of com.icodici.universa.HashId in project universa by UniversaBlockchain.

the class ItemResyncNotification method readFrom.

@Override
protected void readFrom(Boss.Reader br) throws IOException {
    super.readFrom(br);
    Map<String, Object> packingMap = br.readMap();
    for (String s : packingMap.keySet()) {
        HashId hid = HashId.withDigest(s);
        ItemState state = ItemState.values()[(int) packingMap.get(s)];
        itemsToResync.put(hid, state);
    }
}