org.web3j.utils.Strings Java Exaples

Source File: RunnerTest.java From client-sdk-java with Apache License 2.0

6 votes

@Test
public void generateJavaCode() {
	String binPath = RunnerTest.class.getClassLoader().getResource(bin).getPath();
	String abiPath = RunnerTest.class.getClassLoader().getResource(abi).getPath();

	String outputPath = tempDirPath;
	// String outputPath = System.getProperty("user.dir").replace("console", "core") + "/src/test/java/";
	String packageName = "com.platon.sdk.contracts";

	String[] params = { "solidity", "generate", binPath, abiPath, "-o", outputPath, "-p", packageName };
	try {
		Runner.main(params);
	} catch (Exception e) {
		logger.error("Failed to generate Java code: " + e.getMessage(), e);
	}

	String sourceFile = tempDirPath + File.separator + packageName.replace('.', File.separatorChar) + File.separator
			+ Strings.capitaliseFirstLetter("HumanStandardToken") + ".java";

	boolean condition = new File(sourceFile).exists();

	Assert.assertTrue("Java wrapper source code generator for Solidity ABI format error.", condition);
}

Source File: TruffleJsonFunctionWrapperGeneratorTest.java From etherscan-explorer with GNU General Public License v3.0

6 votes

private void testCodeGeneration(
        String contractName, String inputFileName, String packageName, String types)
        throws Exception {

    TruffleJsonFunctionWrapperGenerator.main(Arrays.asList(
            types,
            ContractJsonParseTest
                    .jsonFileLocation(contractBaseDir, contractName, inputFileName),
            "-p", packageName,
            "-o", tempDirPath
    ).toArray(new String[0]));

    verifyGeneratedCode(tempDirPath + File.separator
            + packageName.replace('.', File.separatorChar) + File.separator
            + Strings.capitaliseFirstLetter(inputFileName) + ".java");
}

Source File: SolidityFunctionWrapperGeneratorTest.java From etherscan-explorer with GNU General Public License v3.0

6 votes

private void testCodeGeneration(
        String contractName, String inputFileName, String packageName, String types)
        throws Exception {

    SolidityFunctionWrapperGenerator.main(Arrays.asList(
            types,
            solidityBaseDir + File.separator + contractName + File.separator
                    + "build" + File.separator + inputFileName + ".bin",
            solidityBaseDir + File.separator + contractName + File.separator
                    + "build" + File.separator + inputFileName + ".abi",
            "-p", packageName,
            "-o", tempDirPath
    ).toArray(new String[0])); // https://shipilev.net/blog/2016/arrays-wisdom-ancients/

    verifyGeneratedCode(tempDirPath + File.separator
            + packageName.replace('.', File.separatorChar) + File.separator
            + Strings.capitaliseFirstLetter(inputFileName) + ".java");
}

Source File: SolidityFunctionWrapper.java From client-sdk-java with Apache License 2.0

6 votes

MethodSpec buildDefaultEventObservableFunction(
        String responseClassName,
        String functionName) {

    String generatedFunctionName =
            Strings.lowercaseFirstLetter(functionName) + "EventObservable";
    ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(ClassName.get(rx
            .Observable.class), ClassName.get("", responseClassName));

    MethodSpec.Builder observableMethodBuilder =
            MethodSpec.methodBuilder(generatedFunctionName)
                    .addModifiers(Modifier.PUBLIC)
                    .addParameter(DefaultBlockParameter.class, START_BLOCK)
                    .addParameter(DefaultBlockParameter.class, END_BLOCK)
                    .returns(parameterizedTypeName);

    observableMethodBuilder.addStatement("$1T filter = new $1T($2L, $3L, "
            + "getContractAddress())", PlatonFilter.class, START_BLOCK, END_BLOCK)
            .addStatement("filter.addSingleTopic($T.encode("
                    + buildEventDefinitionName(functionName) + "))", EventEncoder.class)
            .addStatement("return " + generatedFunctionName + "(filter)");

    return observableMethodBuilder
            .build();
}

Source File: SolidityFunctionWrapper.java From etherscan-explorer with GNU General Public License v3.0

6 votes

MethodSpec buildDefaultEventObservableFunction(
        String responseClassName,
        String functionName) {

    String generatedFunctionName =
            Strings.lowercaseFirstLetter(functionName) + "EventObservable";
    ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(ClassName.get(rx
            .Observable.class), ClassName.get("", responseClassName));

    MethodSpec.Builder observableMethodBuilder =
            MethodSpec.methodBuilder(generatedFunctionName)
                    .addModifiers(Modifier.PUBLIC)
                    .addParameter(DefaultBlockParameter.class, START_BLOCK)
                    .addParameter(DefaultBlockParameter.class, END_BLOCK)
                    .returns(parameterizedTypeName);

    observableMethodBuilder.addStatement("$1T filter = new $1T($2L, $3L, "
            + "getContractAddress())", EthFilter.class, START_BLOCK, END_BLOCK)
            .addStatement("filter.addSingleTopic($T.encode("
                    + buildEventDefinitionName(functionName) + "))", EventEncoder.class)
            .addStatement("return " + generatedFunctionName + "(filter)");

    return observableMethodBuilder
            .build();
}

Source File: WasmFunctionWrapper.java From client-sdk-java with Apache License 2.0

6 votes

MethodSpec buildDefaultEventObservableFunction(String responseClassName, String functionName) {

		String generatedFunctionName = Strings.lowercaseFirstLetter(functionName) + "EventObservable";
		ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(ClassName.get(rx.Observable.class),
				ClassName.get("", responseClassName));

		MethodSpec.Builder observableMethodBuilder = MethodSpec.methodBuilder(generatedFunctionName).addModifiers(Modifier.PUBLIC)
				.addParameter(DefaultBlockParameter.class, START_BLOCK).addParameter(DefaultBlockParameter.class, END_BLOCK)
				.returns(parameterizedTypeName);

		observableMethodBuilder.addStatement("$1T filter = new $1T($2L, $3L, " + "getContractAddress())", PlatonFilter.class, START_BLOCK, END_BLOCK)
				.addStatement("filter.addSingleTopic($T.encode(" + buildEventDefinitionName(functionName) + "))", WasmEventEncoder.class)
				.addStatement("return " + generatedFunctionName + "(filter)");

		return observableMethodBuilder.build();
	}

Source File: WasmFunctionWrapper.java From client-sdk-java with Apache License 2.0

6 votes

MethodSpec buildEventObservableFunction(String responseClassName, String functionName, List<NamedTypeName> indexedParameters,
		List<NamedTypeName> nonIndexedParameters) {

	String generatedFunctionName = Strings.lowercaseFirstLetter(functionName) + "EventObservable";
	ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(ClassName.get(rx.Observable.class),
			ClassName.get("", responseClassName));

	MethodSpec.Builder observableMethodBuilder = MethodSpec.methodBuilder(generatedFunctionName).addModifiers(Modifier.PUBLIC)
			.addParameter(PlatonFilter.class, FILTER).returns(parameterizedTypeName);

	TypeSpec converter = TypeSpec.anonymousClassBuilder("")
			.addSuperinterface(
					ParameterizedTypeName.get(ClassName.get(Func1.class), ClassName.get(Log.class), ClassName.get("", responseClassName)))
			.addMethod(MethodSpec.methodBuilder("call").addAnnotation(Override.class).addModifiers(Modifier.PUBLIC).addParameter(Log.class, "log")
					.returns(ClassName.get("", responseClassName))
					.addStatement("$T eventValues = extractEventParametersWithLog(" + buildEventDefinitionName(functionName) + ", log)",
							WasmContract.WasmEventValuesWithLog.class)
					.addStatement("$1T typedResponse = new $1T()", ClassName.get("", responseClassName))
					.addCode(buildTypedResponse("typedResponse", indexedParameters, nonIndexedParameters, true))
					.addStatement("return typedResponse").build())
			.build();

	observableMethodBuilder.addStatement("return web3j.platonLogObservable(filter).map($L)", converter);

	return observableMethodBuilder.build();
}

Source File: WasmFunctionWrapper.java From client-sdk-java with Apache License 2.0

6 votes

MethodSpec buildEventTransactionReceiptFunction(String responseClassName, String functionName, List<NamedTypeName> indexedParameters,
		List<NamedTypeName> nonIndexedParameters) {

	ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(ClassName.get(List.class), ClassName.get("", responseClassName));

	String generatedFunctionName = "get" + Strings.capitaliseFirstLetter(functionName) + "Events";
	MethodSpec.Builder transactionMethodBuilder = MethodSpec.methodBuilder(generatedFunctionName).addModifiers(Modifier.PUBLIC)
			.addParameter(TransactionReceipt.class, "transactionReceipt").returns(parameterizedTypeName);

	transactionMethodBuilder
			.addStatement("$T valueList = extractEventParametersWithLog(" + buildEventDefinitionName(functionName) + ", " + "transactionReceipt)",
					ParameterizedTypeName.get(List.class, WasmContract.WasmEventValuesWithLog.class))
			.addStatement("$1T responses = new $1T(valueList.size())",
					ParameterizedTypeName.get(ClassName.get(ArrayList.class), ClassName.get("", responseClassName)))
			.beginControlFlow("for ($T eventValues : valueList)", WasmContract.WasmEventValuesWithLog.class)
			.addStatement("$1T typedResponse = new $1T()", ClassName.get("", responseClassName))
			.addCode(buildTypedResponse("typedResponse", indexedParameters, nonIndexedParameters, false))
			.addStatement("responses.add(typedResponse)").endControlFlow();

	transactionMethodBuilder.addStatement("return responses");
	return transactionMethodBuilder.build();
}

Source File: TruffleJsonFunctionWrapperGeneratorTest.java From client-sdk-java with Apache License 2.0

6 votes

private void testCodeGeneration(
        String contractName, String inputFileName, String packageName, String types)
        throws Exception {

    TruffleJsonFunctionWrapperGenerator.main(Arrays.asList(
            types,
            ContractJsonParseTest
                    .jsonFileLocation(contractBaseDir, contractName, inputFileName),
            "-p", packageName,
            "-o", tempDirPath
    ).toArray(new String[0]));

    verifyGeneratedCode(tempDirPath + File.separator
            + packageName.replace('.', File.separatorChar) + File.separator
            + Strings.capitaliseFirstLetter(inputFileName) + ".java");
}

Source File: WasmFunctionWrapper.java From client-sdk-java with Apache License 2.0

6 votes

public TypeSpec buildStruct(WasmAbiDefinition functionDefinition, Set<String> customTypes) {
	String className = Strings.capitaliseFirstLetter(functionDefinition.getName());
	TypeSpec.Builder typeBuilder = TypeSpec.classBuilder(className).addModifiers(Modifier.PUBLIC, Modifier.STATIC);
	List<FieldSpec> fieldSpecs = new ArrayList<>();

	if (null != functionDefinition.getBaseclass() && !functionDefinition.getBaseclass().isEmpty()) {
		String baseClass = Strings.capitaliseFirstLetter(functionDefinition.getBaseclass().get(0));
		FieldSpec field = FieldSpec.builder(ClassName.get("", baseClass), "baseClass", Modifier.PUBLIC).build();
		fieldSpecs.add(field);
	}
	for (int i = 0; i < functionDefinition.getFields().size(); i++) {
		WasmAbiDefinition.NamedType namedType = functionDefinition.getFields().get(i);
		String name = namedType.getName();
		String type = namedType.getType();
		fieldSpecs.add(FieldSpec.builder(buildTypeName(type, customTypes), name, Modifier.PUBLIC).build());
	}
	typeBuilder.addFields(fieldSpecs);

	return typeBuilder.build();
}

Source File: SolidityFunctionWrapperGeneratorTest.java From client-sdk-java with Apache License 2.0

6 votes

private void testCodeGeneration(
        String contractName, String inputFileName, String packageName, String types)
        throws Exception {

    SolidityFunctionWrapperGenerator.main(Arrays.asList(
            types,
            solidityBaseDir + File.separator + contractName + File.separator
                    + "build" + File.separator + inputFileName + ".bin",
            solidityBaseDir + File.separator + contractName + File.separator
                    + "build" + File.separator + inputFileName + ".abi",
            "-p", packageName,
            "-o", tempDirPath
    ).toArray(new String[0])); // https://shipilev.net/blog/2016/arrays-wisdom-ancients/

    verifyGeneratedCode(tempDirPath + File.separator
            + packageName.replace('.', File.separatorChar) + File.separator
            + Strings.capitaliseFirstLetter(inputFileName) + ".java");
}

Source File: SolidityFunctionWrapper.java From etherscan-explorer with GNU General Public License v3.0

6 votes

void generateJavaFiles(
        String contractName, String bin, List<AbiDefinition> abi, String destinationDir,
        String basePackageName, Map<String, String> addresses)
        throws IOException, ClassNotFoundException {
    String className = Strings.capitaliseFirstLetter(contractName);

    TypeSpec.Builder classBuilder = createClassBuilder(className, bin);

    classBuilder.addMethod(buildConstructor(Credentials.class, CREDENTIALS));
    classBuilder.addMethod(buildConstructor(TransactionManager.class,
            TRANSACTION_MANAGER));
    classBuilder.addMethods(
            buildFunctionDefinitions(className, classBuilder, abi));
    classBuilder.addMethod(buildLoad(className, Credentials.class, CREDENTIALS));
    classBuilder.addMethod(buildLoad(className, TransactionManager.class,
            TRANSACTION_MANAGER));

    addAddressesSupport(classBuilder, addresses);

    write(basePackageName, classBuilder.build(), destinationDir);
}

Source File: TruffleJsonFunctionWrapperGeneratorTest.java From web3j with Apache License 2.0

6 votes

private void testCodeGeneration(
        String contractName, String inputFileName, String packageName, String types)
        throws Exception {

    TruffleJsonFunctionWrapperGenerator.main(
            Arrays.asList(
                            types,
                            ContractJsonParseTest.jsonFileLocation(
                                    contractBaseDir, contractName, inputFileName),
                            "-p",
                            packageName,
                            "-o",
                            tempDirPath)
                    .toArray(new String[0]));

    verifyGeneratedCode(
            tempDirPath
                    + File.separator
                    + packageName.replace('.', File.separatorChar)
                    + File.separator
                    + Strings.capitaliseFirstLetter(inputFileName)
                    + ".java");
}

Source File: SolidityFunctionWrapper.java From etherscan-explorer with GNU General Public License v3.0

5 votes

MethodSpec buildEventTransactionReceiptFunction(
        String responseClassName,
        String functionName,
        List<NamedTypeName> indexedParameters,
        List<NamedTypeName> nonIndexedParameters) {

    ParameterizedTypeName parameterizedTypeName = ParameterizedTypeName.get(
            ClassName.get(List.class), ClassName.get("", responseClassName));

    String generatedFunctionName = "get" + Strings.capitaliseFirstLetter(functionName)
            + "Events";
    MethodSpec.Builder transactionMethodBuilder = MethodSpec
            .methodBuilder(generatedFunctionName)
            .addModifiers(Modifier.PUBLIC)
            .addParameter(TransactionReceipt.class, "transactionReceipt")
            .returns(parameterizedTypeName);

    transactionMethodBuilder.addStatement("$T valueList = extractEventParametersWithLog("
            + buildEventDefinitionName(functionName) + ", "
            + "transactionReceipt)", ParameterizedTypeName.get(List.class,
                    Contract.EventValuesWithLog.class))
            .addStatement("$1T responses = new $1T(valueList.size())",
                    ParameterizedTypeName.get(ClassName.get(ArrayList.class),
                            ClassName.get("", responseClassName)))
            .beginControlFlow("for ($T eventValues : valueList)",
                    Contract.EventValuesWithLog.class)
            .addStatement("$1T typedResponse = new $1T()",
                    ClassName.get("", responseClassName))
            .addCode(buildTypedResponse("typedResponse", indexedParameters,
                    nonIndexedParameters, false))
            .addStatement("responses.add(typedResponse)")
            .endControlFlow();


    transactionMethodBuilder.addStatement("return responses");
    return transactionMethodBuilder.build();
}

Source File: FunctionReturnDecoder.java From client-sdk-java with Apache License 2.0

5 votes

/**
 * Decode ABI encoded return values from smart contract function call.
 *
 * @param rawInput ABI encoded input
 * @param outputParameters list of return types as {@link TypeReference}
 * @return {@link List} of values returned by function, {@link Collections#emptyList()} if
 *         invalid response
 */
public static List<Type> decode(
        String rawInput, List<TypeReference<Type>> outputParameters) {
    String input = Numeric.cleanHexPrefix(rawInput);

    if (Strings.isEmpty(input)) {
        return Collections.emptyList();
    } else {
        return build(input, outputParameters);
    }
}

Source File: SolidityFunctionWrapperGenerator.java From etherscan-explorer with GNU General Public License v3.0

5 votes

private void generate() throws IOException, ClassNotFoundException {

        File binaryFile = new File(binaryFileLocation);
        if (!binaryFile.exists()) {
            exitError("Invalid input binary file specified: " + binaryFileLocation);
        }

        byte[] bytes = Files.readBytes(new File(binaryFile.toURI()));
        String binary = new String(bytes);

        File absFile = new File(absFileLocation);
        if (!absFile.exists() || !absFile.canRead()) {
            exitError("Invalid input ABI file specified: " + absFileLocation);
        }
        String fileName = absFile.getName();
        String contractName = getFileNameNoExtension(fileName);
        bytes = Files.readBytes(new File(absFile.toURI()));
        String abi = new String(bytes);

        List<AbiDefinition> functionDefinitions = loadContractDefinition(absFile);

        if (functionDefinitions.isEmpty()) {
            exitError("Unable to parse input ABI file");
        } else {
            String className = Strings.capitaliseFirstLetter(contractName);
            System.out.printf("Generating " + basePackageName + "." + className + " ... ");
            new SolidityFunctionWrapper(useJavaNativeTypes).generateJavaFiles(
                    contractName, binary, abi, destinationDirLocation.toString(), basePackageName);
            System.out.println("File written to " + destinationDirLocation.toString() + "\n");
        }
    }

Source File: TruffleJsonFunctionWrapperGenerator.java From etherscan-explorer with GNU General Public License v3.0

5 votes

public static void main(String[] args) throws Exception {

        String[] fullArgs;
        if (args.length == 5) {
            fullArgs = new String[args.length + 1];
            fullArgs[0] = JAVA_TYPES_ARG;
            System.arraycopy(args, 0, fullArgs, 1, args.length);
        } else {
            fullArgs = args;
        }

        if (fullArgs.length != 6) {
            exitError(USAGE);
        }

        boolean useJavaNativeTypes = useJavaNativeTypes(fullArgs[0], USAGE);

        String jsonFileLocation = parsePositionalArg(fullArgs, 1);
        String destinationDirLocation = parseParameterArgument(fullArgs, "-o", "--outputDir");
        String basePackageName = parseParameterArgument(fullArgs, "-p", "--package");

        if (Strings.isEmpty(jsonFileLocation)
                || Strings.isEmpty(destinationDirLocation)
                || Strings.isEmpty(basePackageName)) {
            exitError(USAGE);
        }

        new TruffleJsonFunctionWrapperGenerator(
                jsonFileLocation,
                destinationDirLocation,
                basePackageName,
                useJavaNativeTypes)
                .generate();
    }

Source File: TruffleJsonFunctionWrapperGenerator.java From etherscan-explorer with GNU General Public License v3.0

5 votes

@SuppressWarnings("unchecked")
private void generate() throws IOException, ClassNotFoundException {

    File truffleJsonFile = new File(jsonFileLocation);
    if (!truffleJsonFile.exists() || !truffleJsonFile.canRead()) {
        exitError("Invalid input json file specified: " + jsonFileLocation);
    }

    String fileName = truffleJsonFile.getName();
    String contractName = getFileNameNoExtension(fileName);

    Contract c = loadContractDefinition(truffleJsonFile);
    if (c == null) {
        exitError("Unable to parse input json file");
    } else {
        String className = Strings.capitaliseFirstLetter(contractName);
        System.out.printf("Generating " + basePackageName + "." + className + " ... ");
        Map<String, String> addresses;
        if (c.networks != null && !c.networks.isEmpty()) {
            addresses = c.networks.entrySet().stream()
                    .filter(e -> (e.getValue() != null && e.getValue().getAddress() != null))
                    .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().getAddress()
                    ));
        } else {
            addresses = Collections.EMPTY_MAP;
        }
        new SolidityFunctionWrapper(useJavaNativeTypes)
                .generateJavaFiles(contractName,
                        c.getBytecode(),
                        c.getAbi(),
                        destinationDirLocation.toString(),
                        basePackageName,
                        addresses);
        System.out.println("File written to " + destinationDirLocation.toString() + "\n");
    }
}

Source File: TupleGenerator.java From etherscan-explorer with GNU General Public License v3.0

5 votes

private MethodSpec generateEqualsSpec(String className, int size) {
    MethodSpec.Builder equalsSpecBuilder = MethodSpec.methodBuilder("equals")
            .addAnnotation(Override.class)
            .addModifiers(Modifier.PUBLIC)
            .addParameter(Object.class, "o")
            .returns(boolean.class)
            .beginControlFlow("if (this == o)")
            .addStatement("return true")
            .endControlFlow()
            .beginControlFlow("if (o == null || getClass() != o.getClass())")
            .addStatement("return false")
            .endControlFlow();

    String typeParams = Strings.repeat('?', size).replaceAll("\\?", "?, ");
    typeParams = typeParams.substring(0, typeParams.length() - 2);
    String wildcardClassName = className + "<" + typeParams + ">";

    String name = "tuple" + size;
    equalsSpecBuilder
            .addStatement("$L $L = ($L) o", wildcardClassName, name, wildcardClassName);

    for (int i = 1; i < size; i++) {
        String value = VALUE + i;

        equalsSpecBuilder.beginControlFlow(
                "if ($L != null ? !$L.equals($L.$L) : $L.$L != null)",
                value, value, name, value, name, value)
                .addStatement("return false")
                .endControlFlow();
    }

    String lastValue = VALUE + size;
    equalsSpecBuilder
            .addStatement("return $L != null ? $L.equals($L.$L) : $L.$L == null",
                    lastValue, lastValue, name, lastValue, name, lastValue);

    return equalsSpecBuilder.build();
}

Source File: DefaultFunctionReturnDecoder.java From web3j with Apache License 2.0

5 votes

public List<Type> decodeFunctionResult(
        String rawInput, List<TypeReference<Type>> outputParameters) {

    String input = Numeric.cleanHexPrefix(rawInput);

    if (Strings.isEmpty(input)) {
        return Collections.emptyList();
    } else {
        return build(input, outputParameters);
    }
}

Source File: Keys.java From web3j with Apache License 2.0

5 votes

public static String getAddress(String publicKey) {
    String publicKeyNoPrefix = Numeric.cleanHexPrefix(publicKey);

    if (publicKeyNoPrefix.length() < PUBLIC_KEY_LENGTH_IN_HEX) {
        publicKeyNoPrefix =
                Strings.zeros(PUBLIC_KEY_LENGTH_IN_HEX - publicKeyNoPrefix.length())
                        + publicKeyNoPrefix;
    }
    String hash = Hash.sha3(publicKeyNoPrefix);
    return hash.substring(hash.length() - ADDRESS_LENGTH_IN_HEX); // right most 160 bits
}

Source File: KeysTest.java From web3j with Apache License 2.0

5 votes

@Test
public void testGetAddressZeroPadded() {
    byte[] address =
            Keys.getAddress(
                    Numeric.toBytesPadded(BigInteger.valueOf(0x1234), Keys.PUBLIC_KEY_SIZE));
    String expected = Numeric.toHexStringNoPrefix(address);

    String value = "1234";
    assertEquals(
            Keys.getAddress(
                    "0x"
                            + Strings.zeros(Keys.PUBLIC_KEY_LENGTH_IN_HEX - value.length())
                            + value),
            (expected));
}

Source File: SolidityFunctionWrapperGenerator.java From web3j with Apache License 2.0

5 votes

public final void generate() throws IOException, ClassNotFoundException {
    String binary = Contract.BIN_NOT_PROVIDED;
    if (binFile != null) {
        byte[] bytes = Files.readBytes(binFile);
        binary = new String(bytes);
    }
    List<AbiDefinition> functionDefinitions = loadContractDefinition(abiFile);

    if (functionDefinitions.isEmpty()) {
        exitError("Unable to parse input ABI file");
    } else {
        String className = Strings.capitaliseFirstLetter(contractName);
        System.out.print("Generating " + basePackageName + "." + className + " ... ");

        new SolidityFunctionWrapper(
                        useJavaNativeTypes,
                        useJavaPrimitiveTypes,
                        generateSendTxForCalls,
                        addressLength)
                .generateJavaFiles(
                        contractClass,
                        contractName,
                        binary,
                        functionDefinitions,
                        destinationDirLocation.toString(),
                        basePackageName,
                        null);

        System.out.println("File written to " + destinationDirLocation.toString() + "\n");
    }
}

Source File: SolidityFunctionWrapper.java From web3j with Apache License 2.0

5 votes

MethodSpec buildDefaultEventFlowableFunction(String responseClassName, String functionName) {

        String generatedFunctionName = Strings.lowercaseFirstLetter(functionName) + "EventFlowable";
        ParameterizedTypeName parameterizedTypeName =
                ParameterizedTypeName.get(
                        ClassName.get(Flowable.class), ClassName.get("", responseClassName));

        MethodSpec.Builder flowableMethodBuilder =
                MethodSpec.methodBuilder(generatedFunctionName)
                        .addModifiers(Modifier.PUBLIC)
                        .addParameter(DefaultBlockParameter.class, START_BLOCK)
                        .addParameter(DefaultBlockParameter.class, END_BLOCK)
                        .returns(parameterizedTypeName);

        flowableMethodBuilder
                .addStatement(
                        "$1T filter = new $1T($2L, $3L, " + "getContractAddress())",
                        EthFilter.class,
                        START_BLOCK,
                        END_BLOCK)
                .addStatement(
                        "filter.addSingleTopic($T.encode("
                                + buildEventDefinitionName(functionName)
                                + "))",
                        EventEncoder.class)
                .addStatement("return " + generatedFunctionName + "(filter)");

        return flowableMethodBuilder.build();
    }

Source File: TruffleJsonFunctionWrapperGenerator.java From web3j with Apache License 2.0

5 votes

public static void main(String[] args) throws Exception {

        String[] fullArgs;
        if (args.length == 5) {
            fullArgs = new String[args.length + 1];
            fullArgs[0] = JAVA_TYPES_ARG;
            System.arraycopy(args, 0, fullArgs, 1, args.length);
        } else {
            fullArgs = args;
        }

        if (fullArgs.length != 6) {
            exitError(USAGE);
        }

        boolean useJavaNativeTypes = useJavaNativeTypes(fullArgs[0], USAGE);

        String jsonFileLocation = parsePositionalArg(fullArgs, 1);
        String destinationDirLocation = parseParameterArgument(fullArgs, "-o", "--outputDir");
        String basePackageName = parseParameterArgument(fullArgs, "-p", "--package");

        if (Strings.isEmpty(jsonFileLocation)
                || Strings.isEmpty(destinationDirLocation)
                || Strings.isEmpty(basePackageName)) {
            exitError(USAGE);
        }

        new TruffleJsonFunctionWrapperGenerator(
                        jsonFileLocation,
                        destinationDirLocation,
                        basePackageName,
                        useJavaNativeTypes)
                .generate();
    }

Source File: Keys.java From etherscan-explorer with GNU General Public License v3.0

5 votes

public static String getAddress(String publicKey) {
    String publicKeyNoPrefix = Numeric.cleanHexPrefix(publicKey);

    if (publicKeyNoPrefix.length() < PUBLIC_KEY_LENGTH_IN_HEX) {
        publicKeyNoPrefix = Strings.zeros(
                PUBLIC_KEY_LENGTH_IN_HEX - publicKeyNoPrefix.length())
                + publicKeyNoPrefix;
    }
    String hash = Hash.sha3(publicKeyNoPrefix);
    return hash.substring(hash.length() - ADDRESS_LENGTH_IN_HEX);  // right most 160 bits
}

Source File: Keys.java From client-sdk-java with Apache License 2.0

5 votes

public static String getAddress(String publicKey) {
    String publicKeyNoPrefix = Numeric.cleanHexPrefix(publicKey);

    if (publicKeyNoPrefix.length() < PUBLIC_KEY_LENGTH_IN_HEX) {
        publicKeyNoPrefix = Strings.zeros(
                PUBLIC_KEY_LENGTH_IN_HEX - publicKeyNoPrefix.length())
                + publicKeyNoPrefix;
    }
    String hash = Hash.sha3(publicKeyNoPrefix);
    return hash.substring(hash.length() - ADDRESS_LENGTH_IN_HEX);  // right most 160 bits
}

Source File: KeysTest.java From client-sdk-java with Apache License 2.0

5 votes

@Test
public void testGetAddressZeroPadded() {
    byte[] address = Keys.getAddress(
            Numeric.toBytesPadded(BigInteger.valueOf(0x1234), Keys.PUBLIC_KEY_SIZE));
    String expected = Numeric.toHexStringNoPrefix(address);

    String value = "1234";
    assertThat(Keys.getAddress("0x"
                    + Strings.zeros(Keys.PUBLIC_KEY_LENGTH_IN_HEX - value.length()) + value),
            equalTo(expected));
}

Source File: SolidityFunctionWrapperGenerator.java From client-sdk-java with Apache License 2.0

5 votes

private void generate() throws IOException, ClassNotFoundException {

		File binaryFile = new File(binaryFileLocation);
		if (!binaryFile.exists()) {
			exitError("Invalid input binary file specified: " + binaryFileLocation);
		}

		byte[] bytes = Files.readBytes(new File(binaryFile.toURI()));
		String binary = new String(bytes);

		File absFile = new File(absFileLocation);
		if (!absFile.exists() || !absFile.canRead()) {
			exitError("Invalid input ABI file specified: " + absFileLocation);
		}
		String fileName = absFile.getName();
		String contractName = getFileNameNoExtension(fileName);
		bytes = Files.readBytes(new File(absFile.toURI()));
		String abi = new String(bytes);

		List<AbiDefinition> functionDefinitions = loadContractDefinition(absFile);

		if (functionDefinitions.isEmpty()) {
			exitError("Unable to parse input ABI file");
		} else {
			String className = Strings.capitaliseFirstLetter(contractName);
			System.out.printf("Generating " + basePackageName + "." + className + " ... ");
			new SolidityFunctionWrapper(useJavaNativeTypes).generateJavaFiles(contractName, binary, abi, destinationDirLocation.toString(),
					basePackageName);
			System.out.println("File written to " + destinationDirLocation.toString() + "\n");
		}
	}

Source File: WasmFunctionWrapper.java From client-sdk-java with Apache License 2.0

5 votes

List<MethodSpec> buildEventFunctions(WasmAbiDefinition functionDefinition, TypeSpec.Builder classBuilder, Set<String> customTypes) {
	String functionName = functionDefinition.getName();
	String responseClassName = Strings.capitaliseFirstLetter(functionName) + "EventResponse";

	List<NamedType> inputs = functionDefinition.getInput();
	int topic = functionDefinition.getTopic();
	List<NamedTypeName> indexedParameters = new ArrayList<>();
	List<NamedTypeName> nonIndexedParameters = new ArrayList<>();
	for (int i = 0; i < inputs.size(); i++) {
		NamedType namedType = inputs.get(i);
		String name = namedType.getName();
		String type = namedType.getType();

		TypeName typeName = buildTypeName(type, customTypes);
		boolean indexed = i < topic ? true : false;
		NamedTypeName parameter = new NamedTypeName(name, typeName, indexed);
		if (indexed) {
			indexedParameters.add(parameter);
		} else {
			nonIndexedParameters.add(parameter);
		}
	}

	classBuilder.addField(createEventDefinition(functionName, indexedParameters, nonIndexedParameters));
	classBuilder.addType(buildEventResponseObject(responseClassName, indexedParameters, nonIndexedParameters));

	List<MethodSpec> methods = new ArrayList<>();
	methods.add(buildEventTransactionReceiptFunction(responseClassName, functionName, indexedParameters, nonIndexedParameters));
	methods.add(buildEventObservableFunction(responseClassName, functionName, indexedParameters, nonIndexedParameters));
	methods.add(buildDefaultEventObservableFunction(responseClassName, functionName));
	return methods;
}

org.web3j.utils.Strings Java Examples