How to use

execJSByName

method

in

com.icodici.universa.contract.Contract

public Object execJSByName(String jsFileName, String... params) throws Exception {
  return execJSByName(new JSApiExecOptions(), jsFileName, params);
}

private static void doExecJs() throws Exception {
  String contractFile = (String) options.valueOf("exec-js");
  String scriptName = null;
  if (options.has("script-name"))
    scriptName = (String)options.valueOf("script-name");
  Contract c = Contract.fromPackedTransaction(Files.readAllBytes(Paths.get(contractFile)));
  if(c != null) {
    ItemResult itemResult = getClientNetwork().client.getState(c.getId(), reporter);
    if (itemResult.state == ItemState.APPROVED) {
      if (scriptName != null) {
        c.execJSByName(scriptName);
      }
      else {
        List<String> scriptNames = c.extractJSNames();
        if (scriptNames.size() == 1)
          c.execJSByName(scriptNames.get(0));
        else if (scriptNames.size() > 1)
          report("error: contract has " + scriptNames.size() + " scripts attached, specify script filename please");
        else
          report("error: contract has no scripts attached");
      }
    } else {
      report("error: contract should be approved");
    }
  }
  finish();
}

@Test
public void jsInStateAndDefinition() throws Exception {
  Contract contract = new Contract(TestKeys.privateKey(0));
  contract.setOwnerKeys(TestKeys.publicKey(1), TestKeys.publicKey(2), TestKeys.publicKey(3));
  contract.setCreatorKeys(TestKeys.publicKey(4), TestKeys.publicKey(5).getLongAddress());
  String jsDefinitionA = "print('hello world from definition A'); result = 'dA';";
  String jsDefinitionB = "print('hello world from definition B'); result = 'dB';";
  String jsStateA = "print('hello world from state A'); result = 'sA';";
  String jsStateB = "print('hello world from state B'); result = 'sB';";
  contract.getDefinition().setJS(jsDefinitionA.getBytes(), "script1.js", new JSApiScriptParameters(), true);
  contract.getDefinition().setJS(jsDefinitionB.getBytes(), "script2.js", new JSApiScriptParameters(), true);
  contract.getState().setJS(jsStateA.getBytes(), "script3.js", new JSApiScriptParameters(), true);
  contract.getState().setJS(jsStateB.getBytes(), "script4.js", new JSApiScriptParameters(), true);
  contract.seal();
  String res1 = (String)contract.execJSByName("script1.js");
  String res2 = (String)contract.execJSByName("script2.js");
  String res3 = (String)contract.execJSByName("script3.js");
  String res4 = (String)contract.execJSByName("script4.js");
  assertEquals("dA", res1);
  assertEquals("dB", res2);
  assertEquals("sA", res3);
  assertEquals("sB", res4);
}

httpClientContract.seal();
httpClientContract = Contract.fromPackedTransaction(httpClientContract.getPackedTransaction());
ScriptObjectMirror res = (ScriptObjectMirror)httpClientContract.execJSByName("client script.js");
System.out.println("res0: " + res.get("0"));
System.out.println("res1: " + res.get("1"));

@Test
public void jsFileContentInContract_byFilename() throws Exception {
  String fileName = "somescript.zip";
  String scriptDump = "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";
  Contract contract = new Contract(TestKeys.privateKey(0));
  contract.getStateData().set("some_value", HashId.createRandom().toBase64String());
  contract.getStateData().set("some_hash_id", HashId.createRandom());
  JSApiScriptParameters scriptParameters = new JSApiScriptParameters();
  scriptParameters.isCompressed = true;
  contract.getDefinition().setJS(Base64.decodeLines(scriptDump), fileName, scriptParameters, true);
  contract.seal();
  String res = (String)contract.execJSByName("somescript.zip", "3", "6");
  System.out.println("res: " + res);
  assertEquals("36", res);
  String compression = contract.getDefinition().getData().getOrThrow("scripts", JSApiHelpers.fileName2fileKey(fileName), "compression");
  System.out.println("compression: " + compression);
  assertEquals(JSApiCompressionEnum.ZIP, JSApiCompressionEnum.valueOf(compression));
}