org.jbpm.process.workitem.ethereum

Class EthereumUtils

java.lang.Object

org.jbpm.process.workitem.ethereum.EthereumUtils

public class EthereumUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_ATTEMPTS
static BigInteger	DEFAULT_GAS_LIMIT
static BigInteger	DEFAULT_GAS_PRICE
static int	DEFAULT_SLEEP_DURATION
static String	TMP_FILE_PREFIX
static String	TMP_FILE_SUFFIX

Constructor Summary

Constructors

Constructor and Description
EthereumUtils()

Method Summary

Modifier and Type	Method and Description
static String	convertStreamToStr(InputStream inputStream)
static File	createTmpFile(InputStream in)
static File	createTmpFile(InputStream in, String filePrefix, String fileSuffix)
static String	deployContract(org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j, String contractBinary, int toSendEther, boolean waitForReceipt, int sleepDuration, int attempts)
static BigDecimal	getBalanceInEther(org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j)
static String	getEncodedFunction(org.web3j.abi.datatypes.Function function)
static String	getEncodedFunction(String queryName, List<org.web3j.abi.datatypes.Type> queryInputTypes, List<org.web3j.abi.TypeReference<?>> queryOutputTypes)
static org.web3j.abi.datatypes.Function	getFunction(String queryName, List<org.web3j.abi.datatypes.Type> queryInputTypes, List<org.web3j.abi.TypeReference<?>> queryOutputTypes)
static BigInteger	getNextNonce(String address, org.web3j.protocol.Web3j web3j)
static Optional<org.web3j.protocol.core.methods.response.TransactionReceipt>	getTransactionReceipt(String transactionHash, int sleepDuration, int attempts, org.web3j.protocol.Web3j web3j)
static void	observeContractEvent(org.web3j.protocol.Web3j web3j, String contractEventName, String contractAddress, List<org.web3j.abi.TypeReference<?>> indexedParameters, List<org.web3j.abi.TypeReference<?>> nonIndexedParameters, String eventReturnType, rx.functions.Action1 action1)
static void	observeContractEvent(org.web3j.protocol.Web3j web3j, String contractEventName, String contractAddress, List<org.web3j.abi.TypeReference<?>> indexedParameters, List<org.web3j.abi.TypeReference<?>> nonIndexedParameters, String eventReturnType, org.kie.api.runtime.KieSession kieSession, String signalName, boolean doAbortOnUpdate, org.kie.api.runtime.process.WorkItemManager workItemManager, org.kie.api.runtime.process.WorkItem workItem)
static Object	queryExistingContract(org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j, String contractAddress, String contractMethodName, List<org.web3j.abi.datatypes.Type> contractMethodInputTypes, List<org.web3j.abi.TypeReference<?>> contractMethodOutputTypes)
static org.web3j.protocol.core.methods.response.TransactionReceipt	sendFundsToContract(org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j, int etherAmount, String toAddress, org.web3j.tx.Transfer transfer)
static Optional<org.web3j.protocol.core.methods.response.TransactionReceipt>	sendTransactionReceiptRequest(String transactionHash, org.web3j.protocol.Web3j web3j)
static org.web3j.protocol.core.methods.response.TransactionReceipt	transactExistingContract(org.web3j.crypto.Credentials credentials, org.web3j.protocol.Web3j web3j, int etherAmount, BigInteger gasPrice, BigInteger gasLimit, String toAddress, String methodName, List<org.web3j.abi.datatypes.Type> methodInputTypes, List<org.web3j.abi.TypeReference<?>> methodOutputTypes, boolean waitForReceipt, int sleepDuration, int attempts)
static org.web3j.protocol.core.methods.response.TransactionReceipt	waitForTransactionReceipt(String transactionHash, int sleepDuration, int attempts, org.web3j.protocol.Web3j web3j)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_GAS_PRICE

public static final BigInteger DEFAULT_GAS_PRICE

DEFAULT_GAS_LIMIT

public static final BigInteger DEFAULT_GAS_LIMIT

DEFAULT_SLEEP_DURATION

public static final int DEFAULT_SLEEP_DURATION

See Also:

Constant Field Values

DEFAULT_ATTEMPTS

public static final int DEFAULT_ATTEMPTS

See Also:

Constant Field Values

TMP_FILE_PREFIX

public static final String TMP_FILE_PREFIX

See Also:

Constant Field Values

TMP_FILE_SUFFIX

public static final String TMP_FILE_SUFFIX

See Also:

Constant Field Values

Constructor Detail

EthereumUtils

public EthereumUtils()

Method Detail

getFunction

public static org.web3j.abi.datatypes.Function getFunction(String queryName,
                                                           List<org.web3j.abi.datatypes.Type> queryInputTypes,
                                                           List<org.web3j.abi.TypeReference<?>> queryOutputTypes)

getEncodedFunction

public static String getEncodedFunction(String queryName,
                                        List<org.web3j.abi.datatypes.Type> queryInputTypes,
                                        List<org.web3j.abi.TypeReference<?>> queryOutputTypes)

getEncodedFunction

public static String getEncodedFunction(org.web3j.abi.datatypes.Function function)

getNextNonce

public static BigInteger getNextNonce(String address,
                                      org.web3j.protocol.Web3j web3j)
                               throws Exception

Throws:

Exception

getBalanceInEther

public static BigDecimal getBalanceInEther(org.web3j.crypto.Credentials credentials,
                                           org.web3j.protocol.Web3j web3j)
                                    throws Exception

Throws:

Exception

deployContract

public static String deployContract(org.web3j.crypto.Credentials credentials,
                                    org.web3j.protocol.Web3j web3j,
                                    String contractBinary,
                                    int toSendEther,
                                    boolean waitForReceipt,
                                    int sleepDuration,
                                    int attempts)
                             throws Exception

Throws:

Exception

queryExistingContract

public static Object queryExistingContract(org.web3j.crypto.Credentials credentials,
                                           org.web3j.protocol.Web3j web3j,
                                           String contractAddress,
                                           String contractMethodName,
                                           List<org.web3j.abi.datatypes.Type> contractMethodInputTypes,
                                           List<org.web3j.abi.TypeReference<?>> contractMethodOutputTypes)
                                    throws Exception

Throws:

Exception

transactExistingContract

public static org.web3j.protocol.core.methods.response.TransactionReceipt transactExistingContract(org.web3j.crypto.Credentials credentials,
                                                                                                   org.web3j.protocol.Web3j web3j,
                                                                                                   int etherAmount,
                                                                                                   BigInteger gasPrice,
                                                                                                   BigInteger gasLimit,
                                                                                                   String toAddress,
                                                                                                   String methodName,
                                                                                                   List<org.web3j.abi.datatypes.Type> methodInputTypes,
                                                                                                   List<org.web3j.abi.TypeReference<?>> methodOutputTypes,
                                                                                                   boolean waitForReceipt,
                                                                                                   int sleepDuration,
                                                                                                   int attempts)
                                                                                            throws Exception

Throws:

Exception

sendFundsToContract

public static org.web3j.protocol.core.methods.response.TransactionReceipt sendFundsToContract(org.web3j.crypto.Credentials credentials,
                                                                                              org.web3j.protocol.Web3j web3j,
                                                                                              int etherAmount,
                                                                                              String toAddress,
                                                                                              org.web3j.tx.Transfer transfer)
                                                                                       throws Exception

Throws:

Exception

waitForTransactionReceipt

public static org.web3j.protocol.core.methods.response.TransactionReceipt waitForTransactionReceipt(String transactionHash,
                                                                                                    int sleepDuration,
                                                                                                    int attempts,
                                                                                                    org.web3j.protocol.Web3j web3j)
                                                                                             throws Exception

Throws:

Exception

getTransactionReceipt

public static Optional<org.web3j.protocol.core.methods.response.TransactionReceipt> getTransactionReceipt(String transactionHash,
                                                                                                          int sleepDuration,
                                                                                                          int attempts,
                                                                                                          org.web3j.protocol.Web3j web3j)
                                                                                                   throws Exception

Throws:

Exception

sendTransactionReceiptRequest

public static Optional<org.web3j.protocol.core.methods.response.TransactionReceipt> sendTransactionReceiptRequest(String transactionHash,
                                                                                                                  org.web3j.protocol.Web3j web3j)
                                                                                                           throws Exception

Throws:

Exception

observeContractEvent

public static void observeContractEvent(org.web3j.protocol.Web3j web3j,
                                        String contractEventName,
                                        String contractAddress,
                                        List<org.web3j.abi.TypeReference<?>> indexedParameters,
                                        List<org.web3j.abi.TypeReference<?>> nonIndexedParameters,
                                        String eventReturnType,
                                        org.kie.api.runtime.KieSession kieSession,
                                        String signalName,
                                        boolean doAbortOnUpdate,
                                        org.kie.api.runtime.process.WorkItemManager workItemManager,
                                        org.kie.api.runtime.process.WorkItem workItem)

observeContractEvent

public static void observeContractEvent(org.web3j.protocol.Web3j web3j,
                                        String contractEventName,
                                        String contractAddress,
                                        List<org.web3j.abi.TypeReference<?>> indexedParameters,
                                        List<org.web3j.abi.TypeReference<?>> nonIndexedParameters,
                                        String eventReturnType,
                                        rx.functions.Action1 action1)

createTmpFile

public static File createTmpFile(InputStream in)
                          throws IOException

Throws:

IOException

createTmpFile

public static File createTmpFile(InputStream in,
                                 String filePrefix,
                                 String fileSuffix)
                          throws IOException

Throws:

IOException

convertStreamToStr

public static String convertStreamToStr(InputStream inputStream)
                                 throws IOException

Throws:

IOException