How to use

getDefinition

method

in

com.icodici.universa.contract.Contract

public String getDefinitionDataField(String fieldPath) {
  return this.currentContract.getDefinition().getData().getStringOrThrow(fieldPath);
}

@Override
public boolean isU(Set<KeyAddress> issuerKeys, String issuerName) {
  Role issuer = getIssuer();
  if(!(issuer instanceof SimpleRole))
    return false;
  Set<KeyAddress> thisIssuerAddresses = new HashSet<>(((SimpleRole)issuer).getSimpleKeyAddresses());
  for (PublicKey publicKey : ((SimpleRole)issuer).getSimpleKeys())
    thisIssuerAddresses.add(publicKey.getShortAddress());
  if (Collections.disjoint(issuerKeys, thisIssuerAddresses))
    return false;
  if ( !issuerName.equals(getDefinition().getData().get("issuerName")))
    return false;
  return true;
}

public List<String> extractJSNames() {
  List<String> res = new ArrayList<>();
  Binder scriptBinder = getDefinition().getData().getBinder(JSAPI_SCRIPT_FIELD, null);
  if (scriptBinder == null)
    scriptBinder = getState().getData().getBinder(JSAPI_SCRIPT_FIELD, null);
  if (scriptBinder != null)
    res.addAll(JSApiHelpers.getFileNamesFromScriptBinder(scriptBinder));
  return res;
}

public void updateThisEnvironmentByName(Contract newContract, JSApiExecOptions execOptions) throws Exception {
  JSApiEnvironment env = execJSByName(
      newContract.getDefinition().getData().getBinder(Contract.JSAPI_SCRIPT_FIELD, null),
      newContract.getState().getData().getBinder(Contract.JSAPI_SCRIPT_FIELD, null),
      execOptions,
      jsFileName,
      newContract,
      stringParams
  );
  this.jsApi = env.jsApi;
  this.scriptEngine = env.scriptEngine;
  this.currentContract = env.currentContract;
  this.result = env.result;
}

@Test
public void createContractWithJS() throws Exception {
  ScriptEngine jse = new NashornScriptEngineFactory().getScriptEngine(new ClassFilter_allowSomething());
  jse.eval("var contract = new com.icodici.universa.contract.Contract();");
  jse.eval("contract.getDefinition().getData().put('someKey', 'someValue');");
  jse.eval("contract.seal()");
  Contract contract = (Contract)jse.get("contract");
  System.out.println("contract id: " + contract.getId());
  System.out.println("contract someKey: " + contract.getDefinition().getData().getString("someKey"));
  assertEquals("someValue", contract.getDefinition().getData().getString("someKey"));
}

/**
 * Executes attached javascript if only one js is attached. Also, it should be attached with putContentIntoContract == true.
 */
public Object execJSByName(JSApiExecOptions execOptions, String jsFileName, String... params) throws Exception {
  JSApiEnvironment env = JSApiEnvironment.execJSByName(
      getDefinition().getData().getBinder(JSAPI_SCRIPT_FIELD, null),
      getState().getData().getBinder(JSAPI_SCRIPT_FIELD, null),
      execOptions,
      jsFileName,
      this,
      params
  );
  return env.callEvent("main", true);
}

@Test
public void jsInContract_execZeroParams() throws Exception {
  Contract contract = new Contract(TestKeys.privateKey(0));
  String js = "";
  js += "print('jsApiParams.length: ' + jsApiParams.length);";
  js += "result = jsApiParams.length;";
  contract.getDefinition().setJS(js.getBytes(), "client script.js", new JSApiScriptParameters());
  contract.seal();
  assertEquals(0, contract.execJS(js.getBytes()));
}

@Test
public void checkContractExpiresAtDistantPastTime() throws Exception{
  Contract oldContract = Contract.fromDslFile(rootPath + "simple_root_contract.yml");
  oldContract.addSignerKeyFromFile(rootPath+"_xer0yfe2nn1xthc.private.unikey");
  oldContract.getDefinition().setExpiresAt(ZonedDateTime.of(LocalDateTime.MIN.truncatedTo(ChronoUnit.SECONDS), ZoneOffset.UTC));
  oldContract.seal();
  oldContract.check();
  oldContract.traceErrors();
  System.out.println("Contract is valid: " + oldContract.isOk());
  assertFalse(oldContract.isOk());
}

@Test
public void checkRegisterContractExpiresAtDistantPastTime() throws Exception{
  Contract oldContract = Contract.fromDslFile(ROOT_PATH + "simple_root_contract.yml");
  oldContract.addSignerKeyFromFile(ROOT_PATH+"_xer0yfe2nn1xthc.private.unikey");
  oldContract.getDefinition().setExpiresAt(ZonedDateTime.of(LocalDateTime.MIN.truncatedTo(ChronoUnit.SECONDS), ZoneOffset.UTC));
  oldContract.seal();
  oldContract.check();
  oldContract.traceErrors();
  System.out.println("Contract is valid: " + oldContract.isOk());
  assertFalse(oldContract.isOk());
}

@Test
public void checkContractExpiresAtDistantFutureTime() throws Exception{
  Contract futureContract = Contract.fromDslFile(rootPath + "simple_root_contract.yml");
  futureContract.addSignerKeyFromFile(rootPath+"_xer0yfe2nn1xthc.private.unikey");
  futureContract.getDefinition().setExpiresAt(futureContract.getCreatedAt().plusYears(50));
  futureContract.seal();
  assertTrue(futureContract.check());
  System.out.println("Contract is valid: " + futureContract.isOk());
}

@Test
public void checkContractExpiresAtResentFutureTime() throws Exception{
  Contract futureContract = Contract.fromDslFile(rootPath + "simple_root_contract.yml");
  futureContract.addSignerKeyFromFile(rootPath+"_xer0yfe2nn1xthc.private.unikey");
  futureContract.getDefinition().setExpiresAt(futureContract.getCreatedAt().plusMinutes(1));
  futureContract.seal();
  assertTrue(futureContract.check());
  System.out.println("Contract is valid: " + futureContract.isOk());
}

@Test
public void jsInContract_execParams() throws Exception {
  Contract contract = new Contract(TestKeys.privateKey(0));
  String js = "";
  js += "print('jsApiParams.length: ' + jsApiParams.length);";
  js += "result = [jsApiParams.length, jsApiParams[0], jsApiParams[1]];";
  contract.getDefinition().setJS(js.getBytes(), "client script.js", new JSApiScriptParameters());
  contract.seal();
  ScriptObjectMirror res = (ScriptObjectMirror) contract.execJS(js.getBytes(), "prm1", "prm2");
  assertEquals(2, res.get("0"));
  assertEquals("prm1", res.get("1"));
  assertEquals("prm2", res.get("2"));
}

@Test
public void checkRegisterContractExpiresAtReсentFutureTime() throws Exception{
  Contract futureContract = Contract.fromDslFile(ROOT_PATH + "simple_root_contract.yml");
  futureContract.addSignerKeyFromFile(ROOT_PATH+"_xer0yfe2nn1xthc.private.unikey");
  futureContract.getDefinition().setExpiresAt(futureContract.getCreatedAt().plusMinutes(1));
  futureContract.seal();
  assertTrue(futureContract.check());
  System.out.println("Contract is valid: " + futureContract.isOk());
  registerAndCheckApproved(futureContract);
}

@Test
public void checkContractExpiresAtDistantFutureTime() throws Exception{
  Contract futureContract = Contract.fromDslFile(ROOT_PATH + "simple_root_contract.yml");
  futureContract.addSignerKeyFromFile(ROOT_PATH+"_xer0yfe2nn1xthc.private.unikey");
  futureContract.getDefinition().setExpiresAt(futureContract.getCreatedAt().plusYears(50));
  futureContract.seal();
  assertTrue(futureContract.check());
  System.out.println("Contract is valid: " + futureContract.isOk());
  registerAndCheckApproved(futureContract);
}

@Test
public void checkContractExpiresAtResentPastTime() throws Exception{
  Contract oldContract = Contract.fromDslFile(rootPath + "simple_root_contract.yml");
  oldContract.addSignerKeyFromFile(rootPath+"_xer0yfe2nn1xthc.private.unikey");
  oldContract.getDefinition().setExpiresAt(oldContract.getCreatedAt().minusMinutes(1));
  oldContract.seal();
  oldContract.check();
  oldContract.traceErrors();
  System.out.println("Contract is valid: " + oldContract.isOk());
  assertFalse(oldContract.isOk());
}

@Test
public void checkRegisterContractExpiresAtReсentPastTime() throws Exception{
  Contract oldContract = Contract.fromDslFile(ROOT_PATH + "simple_root_contract.yml");
  oldContract.addSignerKeyFromFile(ROOT_PATH+"_xer0yfe2nn1xthc.private.unikey");
  oldContract.getDefinition().setExpiresAt(oldContract.getCreatedAt().minusMinutes(1));
  oldContract.seal();
  oldContract.check();
  oldContract.traceErrors();
  System.out.println("Contract is valid: " + oldContract.isOk());
  assertFalse(oldContract.isOk());
}

@Test
public void goodSmartContractFromDSL() throws Exception {
  Contract smartContract = NSmartContract.fromDslFile(rootPath + "NotarySmartDSLTemplate.yml");
  smartContract.addSignerKeyFromFile(rootPath + "_xer0yfe2nn1xthc.private.unikey");
  smartContract.seal();
  smartContract.check();
  smartContract.traceErrors();
  assertTrue(smartContract.isOk());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.getDefinition().getExtendedType());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.get("definition.extended_type"));
  assertTrue(smartContract instanceof NSmartContract);
  assertTrue(smartContract instanceof NContract);
}

@Test
public void goodNSmartContractFromDSL() throws Exception {
  Contract smartContract = NSmartContract.fromDslFile(rootPath + "NotaryNSmartDSLTemplate.yml");
  smartContract.addSignerKeyFromFile(rootPath + "_xer0yfe2nn1xthc.private.unikey");
  smartContract.seal();
  smartContract.check();
  smartContract.traceErrors();
  assertTrue(smartContract.isOk());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.getDefinition().getExtendedType());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.get("definition.extended_type"));
  assertTrue(smartContract instanceof NSmartContract);
  assertTrue(smartContract instanceof NContract);
}

@Test
public void goodNSmartContract() throws Exception {
  final PrivateKey key = new PrivateKey(Do.read(rootPath + "_xer0yfe2nn1xthc.private.unikey"));
  Contract smartContract = new NSmartContract(key);
  smartContract.seal();
  smartContract.check();
  smartContract.traceErrors();
  assertTrue(smartContract.isOk());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.getDefinition().getExtendedType());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.get("definition.extended_type"));
  assertTrue(smartContract instanceof NSmartContract);
  assertTrue(smartContract instanceof NContract);
}

@Test
public void goodSmartContract() throws Exception {
  final PrivateKey key = new PrivateKey(Do.read(rootPath + "_xer0yfe2nn1xthc.private.unikey"));
  Contract smartContract = new NSmartContract(key);
  smartContract.seal();
  smartContract.check();
  smartContract.traceErrors();
  assertTrue(smartContract.isOk());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.getDefinition().getExtendedType());
  assertEquals(NSmartContract.SmartContractType.N_SMART_CONTRACT.name(), smartContract.get("definition.extended_type"));
  assertTrue(smartContract instanceof NSmartContract);
  assertTrue(smartContract instanceof NContract);
}