Examples with Contract com.icodici.universa.contract.Contract used on opensource projects

Example 21 with Contract

use of com.icodici.universa.contract.Contract in project universa by UniversaBlockchain.

the class SplitJoinPermissionTest method shouldNotSplitWithNegativeCount.

@Test
public void shouldNotSplitWithNegativeCount() throws Exception {
    Contract c = createCoin();
    c.addSignerKeyFromFile(PRIVATE_KEY_PATH);
    sealCheckTrace(c, true);
    try {
        c.split(-1);
        fail("Expected exception to be thrown.");
    } catch (IllegalArgumentException e) {
        assertTrue(e.getMessage().equalsIgnoreCase("split: count should be > 0"));
    }
    try {
        c.split(0);
        fail("Expected exception to be thrown.");
    } catch (IllegalArgumentException e) {
        assertTrue(e.getMessage().equalsIgnoreCase("split: count should be > 0"));
    }
}

Example 22 with Contract

use of com.icodici.universa.contract.Contract in project universa by UniversaBlockchain.

the class SplitJoinPermissionTest method testProperSum.

@Test
public void testProperSum() throws Exception {
    Contract c = createCoin();
    c.addSignerKeyFromFile(PRIVATE_KEY_PATH);
    Binder d = c.getStateData();
    int a = 1000000;
    assertEquals(a, d.getIntOrThrow(FIELD_NAME));
    sealCheckTrace(c, true);
    // bad split: no changes
    Contract c1 = c.createRevision(ownerKey2);
    sealCheckTrace(c1, false);
    // Good split
    Contract c2 = c1.splitValue(FIELD_NAME, new Decimal(500));
    assertEquals(a - 500, c1.getStateData().getIntOrThrow(FIELD_NAME));
    assertEquals(500, c2.getStateData().getIntOrThrow(FIELD_NAME));
    c1.getErrors().clear();
    sealCheckTrace(c1, true);
    // and it should be the same after seriazling to the transaction pack
    TransactionPack tp = new TransactionPack(c1);
    // tp.trace();
    TransactionPack tp2 = TransactionPack.unpack(new TransactionPack(c1).pack());
    // tp2.trace();
    Contract restored = tp2.getContract();
    restored.check();
    restored.traceErrors();
    assertTrue(restored.isOk());
// TODO: check that value can't be just changed
// TODO: check that the sum must be equal
// TODO: check children have different branches
// TODO: check smae branch spoofing
}

Example 23 with Contract

use of com.icodici.universa.contract.Contract in project universa by UniversaBlockchain.

the class SplitJoinPermissionTest method shouldNotSplitWithWrongOriginSerialize.

@Test
public void shouldNotSplitWithWrongOriginSerialize() throws Exception {
    Contract c = createCoin();
    c.addSignerKeyFromFile(PRIVATE_KEY_PATH);
    sealCheckTrace(c, true);
    Contract c2 = c.split(1)[0];
    sealCheckTrace(c2, true);
    Binder sd2 = DefaultBiMapper.serialize(c2);
    Binder state = (Binder) sd2.get("state");
    assertNotNull(state);
    assertTrue(state.size() > 0);
    HashId origin = HashId.withDigest(Do.randomNegativeBytes(64));
    Binder originB = DefaultBiMapper.serialize(origin);
    state.set("origin", originB);
    Contract dc2 = DefaultBiMapper.deserialize(sd2);
    sealCheckTrace(dc2, false);
    state.remove("origin");
    Contract dc3 = DefaultBiMapper.deserialize(sd2);
    sealCheckTrace(dc3, false);
}

Example 24 with Contract

use of com.icodici.universa.contract.Contract in project universa by UniversaBlockchain.

the class SplitJoinPermissionTest method shouldSplitJoinHasEnoughSumRevoking.

@Test
public void shouldSplitJoinHasEnoughSumRevoking() throws Exception {
    // 2 coins: 1st v: 50 (r: 50 and 50), 2nd v: 50 (r: 50 and 50)
    Contract root = createCoinWithAmount("200", FIELD_NAME);
    Contract c1 = root.splitValue(FIELD_NAME, new Decimal(100));
    sealCheckTrace(c1, true);
    // c1 split 50 50
    c1 = c1.createRevision(ownerKey2);
    c1.seal();
    Contract c50_1 = c1.splitValue(FIELD_NAME, new Decimal(50));
    sealCheckTrace(c50_1, true);
    // good join
    Contract finalC = c50_1.createRevision(ownerKey2);
    finalC.seal();
    finalC.getStateData().set(FIELD_NAME, new Decimal(100));
    finalC.addRevokingItems(c50_1);
    finalC.addRevokingItems(c1);
    sealCheckTrace(finalC, true);
}

Example 25 with Contract

use of com.icodici.universa.contract.Contract in project universa by UniversaBlockchain.

the class ResearchTest method registerSimpleContract.

@Test
public void registerSimpleContract() throws Exception {
    Set<PrivateKey> stepaPrivateKeys = new HashSet<>();
    Set<PublicKey> stepaPublicKeys = new HashSet<>();
    stepaPrivateKeys.add(new PrivateKey(Do.read(ROOT_PATH + "keys/stepan_mamontov.private.unikey")));
    for (PrivateKey pk : stepaPrivateKeys) {
        stepaPublicKeys.add(pk.getPublicKey());
    }
    Contract stepaCoins = Contract.fromDslFile(ROOT_PATH + "stepaCoins.yml");
    stepaCoins.addSignerKey(stepaPrivateKeys.iterator().next());
    stepaCoins.seal();
    System.out.println("nodeClient.register(stepaCoins)...");
    ItemResult itemResult = nodeClient.register(stepaCoins.getLastSealedBinary(), 5000);
    System.out.println("nodeClient.register(stepaCoins)... done! itemResult: " + itemResult.state);
    itemResult = nodeClient.getState(stepaCoins.getId());
    System.out.println("nodeClient.getState(stepaCoins): " + itemResult.state);
    assertEquals(ItemState.APPROVED, itemResult.state);
}