How to use

getStateData

method

in

com.icodici.universa.contract.Contract

private boolean checkContractCorrespondsToConfig(Contract contract, List<NodeInfo> netNodes) {
  //check if contract contains net config
  if(!checkIfContractContainsNetConfig(contract)) {
    return false;
  }
  //check if net config equals to current network configuration
  List<NodeInfo> contractNodes = DefaultBiMapper.getInstance().deserializeObject(contract.getStateData().get("net_config"));
  if(contractNodes.size() != netNodes.size() || !contractNodes.stream().allMatch(nodeInfo -> netNodes.contains(nodeInfo))) {
    return false;
  }
  return true;
}

private Decimal getValue(Contract c, String fieldName) {
  return new Decimal(c.getStateData().getStringOrThrow(fieldName));
}

@Test
public void shouldModifyStateDataValues() throws  Exception {
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "An example of smart contract.";
  final String newValue = "UniversaSmartContract";
  final String field = "description";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, true);
}

@Test
public void shouldModifyAnyValueForKey() throws  Exception {
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "35";
  final String newValue = "303434935245";
  final String field = "units";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, true);
}

  public Contract createUnsPayment() throws IOException {

    PrivateKey ownerKey = new PrivateKey(Do.read(rootPath + "keys/stepan_mamontov.private.unikey"));
    Set<PublicKey> keys = new HashSet();
    keys.add(ownerKey.getPublicKey());
    Contract stepaU = InnerContractsService.createFreshU(100000000, keys);
    Contract paymentDecreased = stepaU.createRevision(ownerKey);
    paymentDecreased.getStateData().set("transaction_units", stepaU.getStateData().getIntOrThrow("transaction_units") - 2000);
    paymentDecreased.seal();

    return paymentDecreased;
  }
}

  public Contract createSlotPayment() throws IOException {

    PrivateKey ownerKey = new PrivateKey(Do.read(rootPath + "keys/stepan_mamontov.private.unikey"));
    Set<PublicKey> keys = new HashSet();
    keys.add(ownerKey.getPublicKey());
    Contract stepaU = InnerContractsService.createFreshU(100000000, keys);
    Contract paymentDecreased = stepaU.createRevision(ownerKey);
    paymentDecreased.getStateData().set("transaction_units", stepaU.getStateData().getIntOrThrow("transaction_units") - 100);
    paymentDecreased.seal();

    return paymentDecreased;
  }
}

@Test
public void shouldPopulateWithEmptyStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "An example of smart contract.";
  final String newValue = "";
  final String field = "description";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, true);
}

@Test
public void shouldModifyDescNullStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "An example of smart contract.";
  final String newValue = null;
  final String field = "description";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, true);
}

@Test
public void shouldNotModifyStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "1";
  final String newValue = "2";
  final String field = "option";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, false);
}

@Test
public void shouldNotPopulateWithNullStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "2";
  final String newValue = null;
  final String field = "direction";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, false);
}

@Test
public void shouldNotPopulateWithEmptyStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "2";
  final String newValue = "";
  final String field = "direction";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, false);
}

@Test
public void shouldNotModifyDescEmptyStateDataValues() throws  Exception {
  PrivateKey ownerKey2 = TestKeys.privateKey(1);
  Contract c = basicContractCreation(SUBSCRIPTION_WITH_DATA, PRIVATE_KEY, ownerKey2);
  Binder d = c.getStateData();
  Contract c1 = c.createRevision(ownerKey2);
  Binder d1 = c1.getStateData();
  final String oldValue = "An example of smart contract.";
  final String newValue = "wrong value.";
  final String field = "description";
  setAndCheckOldNewValues(d, d1, oldValue, newValue, field);
  sealCheckTrace(c1, false);
}

@Test(timeout = 90000)
public void checkPayment_wrongUname() throws Exception {
  Contract payment = checkPayment_preparePaymentContract(checkPayment_preparePrivateKeys());
  payment.getStateData().set("transaction_units", payment.getStateData().get("transaction_units"));
  payment.getStateData().remove("transaction_units");
  boolean res = payment.paymentCheck(config.getUIssuerKeys());
  payment.traceErrors();
  assertFalse(res);
}

private List<Contract> createListOfCoinsWithAmount(List<String> values) throws Exception {
  Contract money = createCoin();
  money.getStateData().set(FIELD_NAME, new Decimal(100500));
  money.addSignerKeyFromFile(PRIVATE_KEY_PATH);
  money.seal();
  sealCheckTrace(money, true);
  List<Contract> res = new ArrayList<>();
  for (String value : values) {
    Contract contract = ContractsService.createSplit(money, new BigDecimal(value), FIELD_NAME, new HashSet<PrivateKey>());
    contract.addSignerKeyFromFile(PRIVATE_KEY_PATH);
    res.add(contract.getNew().get(0));
  }
  return res;
}

  protected Contract createCoinWithAmount(String amount, String fieldName) throws Exception {
    Contract contract = createCoin();
    contract.getStateData().set(fieldName, new Decimal(amount));
    contract.addSignerKeyFromFile(PRIVATE_KEY_PATH);

    sealCheckTrace(contract, true);

    return contract;
  }
}

@Test
public void cheatCreateValue2() throws Exception {
  Contract c = createCoin();
  c.addSignerKeyFromFile(PRIVATE_KEY_PATH);
  Binder d = c.getStateData();
  int a = 1000000;
  assertEquals(a, d.getIntOrThrow(FIELD_NAME));
  c.seal();
  assertTrue(c.check());
  Contract c1 = c.createRevision(ownerKey2);
  c1.getStateData().set(FIELD_NAME, "500.00000001");
  sealCheckTrace(c1, false);
}

@Test(timeout = 90000)
public void checkPayment_wrongUtype() throws Exception {
  Contract payment = checkPayment_preparePaymentContract(checkPayment_preparePrivateKeys());
  payment.getStateData().set("transaction_units", "33");
  boolean res = payment.paymentCheck(config.getUIssuerKeys());
  payment.traceErrors();
  assertFalse(res);
}

@Test(timeout = 90000)
public void checkPayment_minusU() throws Exception {
  Contract payment = checkPayment_preparePaymentContract(checkPayment_preparePrivateKeys());
  payment.getStateData().set("transaction_units", -1);
  boolean res = payment.paymentCheck(config.getUIssuerKeys());
  payment.traceErrors();
  assertFalse(res);
}

@Test
public void defaultParameters() throws Exception {
  Contract contract = new Contract(TestKeys.privateKey(0));
  contract.getStateData().put("field1", "33.000000000000000001");
  ChangeNumberPermission changeNumberPermission = new ChangeNumberPermission(contract.getRole("owner"), Binder.of("field_name", "field1"));
  contract.addPermission(changeNumberPermission);
  contract.seal();
  Contract changed = contract.createRevision();
  changed.addSignerKey(TestKeys.privateKey(0));
  changed.getStateData().set("field1", "33.000000000000000002");
  changed.seal();
  changed.check();
  assertTrue(changed.isOk());
}

@Test
public void modifyDataDeclined() throws Exception {
  Contract contract = new Contract(TestKeys.privateKey(0));
  contract.getStateData().put("field_to_be_changed", "value1");
  ModifyDataPermission modifyDataPermission = new ModifyDataPermission(contract.getRole("owner"), new Binder());
  contract.addPermission(modifyDataPermission);
  contract.seal();
  Contract changed = contract.createRevision();
  changed.addSignerKey(TestKeys.privateKey(0));
  changed.getStateData().set("field_to_be_changed", "value2");
  changed.seal();
  changed.check();
  assertTrue(!changed.isOk());
}