Examples with Hash com.iota.iri.model.Hash used on opensource projects

Example 21 with Hash

use of com.iota.iri.model.Hash in project iri by iotaledger.

the class KerlTest method generateHashes.

// @Test
public void generateHashes() throws Exception {
    // System.out.println("trytes,Kerl_hash");
    for (int i = 0; i < 1_000_000; i++) {
        Hash trytes = getRandomTransactionHash();
        int[] initial_value = trytes.trits();
        Sponge k = SpongeFactory.create(SpongeFactory.Mode.KERL);
        k.absorb(initial_value, 0, initial_value.length);
        int[] hash_value = new int[Curl.HASH_LENGTH];
        k.squeeze(hash_value, 0, hash_value.length);
        String hash = Converter.trytes(hash_value);
        // System.out.println(String.format("%s,%s",trytes,hash));
        System.out.println(String.format("%s", hash));
    }
}

Example 22 with Hash

use of com.iota.iri.model.Hash in project iri by iotaledger.

the class MilestoneViewModelTest method latest.

@Test
public void latest() throws Exception {
    int top = 100;
    Hash milestoneHash = new Hash("ZBCDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUV99999");
    MilestoneViewModel milestoneViewModel = new MilestoneViewModel(top, milestoneHash);
    milestoneViewModel.store(tangle);
    assertTrue(top == MilestoneViewModel.latest(tangle).index());
}

Example 23 with Hash

use of com.iota.iri.model.Hash in project iri by iotaledger.

the class TangleTest method save.

@Test
public void save() throws Exception {
    Transaction transaction = new Transaction();
    Random r = new Random();
    int[] hash = new int[Curl.HASH_LENGTH], trits = Arrays.stream(new int[TransactionViewModel.TRINARY_SIZE]).map(i -> r.nextInt(3) - 1).toArray();
    Sponge curl = SpongeFactory.create(SpongeFactory.Mode.CURLP81);
    curl.absorb(trits, 0, trits.length);
    curl.squeeze(hash, 0, Curl.HASH_LENGTH);
    transaction.bytes = Converter.allocateBytesForTrits(trits.length);
    Converter.bytes(trits, transaction.bytes);
// assertTrue("Should be a new, unique transaction", !Tangle.instance().save(transaction).get());
}

Example 24 with Hash

use of com.iota.iri.model.Hash in project iri by iotaledger.

the class MilestoneViewModelTest method snapshot.

@Test
public void snapshot() throws Exception {
    Hash milestoneHash = new Hash("BBCDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUV99999");
    long value = 3;
    MilestoneViewModel milestoneViewModel = new MilestoneViewModel(++index, milestoneHash);
}

Example 25 with Hash

use of com.iota.iri.model.Hash in project iri by iotaledger.

the class MilestoneViewModelTest method first.

@Test
public void first() throws Exception {
    int first = 1;
    Hash milestoneHash = new Hash("99CDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUVWXYZ9ABCDEFGHIJKLMNOPQRSTUV99999");
    MilestoneViewModel milestoneViewModel = new MilestoneViewModel(first, milestoneHash);
    milestoneViewModel.store(tangle);
    assertTrue(first == MilestoneViewModel.first(tangle).index());
}