package org.web3j.example.accountKey;
import org.web3j.tx.response.PollingTransactionReceiptProcessor;
import org.web3j.tx.response.TransactionReceiptProcessor;
import org.web3j.example.keySample;
import java.io.IOException;
import java.math.BigInteger;
import org.web3j.crypto.KlayCredentials;
import org.web3j.crypto.KlayRawTransaction;
import org.web3j.crypto.KlayTransactionEncoder;
import org.web3j.crypto.transaction.type.TxType;
import org.web3j.crypto.transaction.type.TxType.Type;
import org.web3j.protocol.core.DefaultBlockParameterName;
import org.web3j.protocol.core.methods.response.EthChainId;
import org.web3j.protocol.http.HttpService;
import org.web3j.protocol.kaia.Web3j;
import org.web3j.protocol.kaia.core.method.response.KlayRecoverFromTransactionResponse;
import org.web3j.utils.Numeric;
import org.web3j.protocol.core.methods.response.EthSendTransaction;
public class SignTxWithPubkeyExample implements keySample {
public static void run() throws Exception {
Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials credentials1 = KlayCredentials.create(keySample.PUBLIC_KEY_privkey,
keySample.PUBLIC_KEY_address);
BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credentials1.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
String to = "0x000000000000000000000000000000000000dead";
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
BigInteger value = BigInteger.valueOf(100);
TxType.Type type = Type.VALUE_TRANSFER;
KlayRawTransaction raw = KlayRawTransaction.createTransaction(
byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credentials1);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String blockNumber = "latest";
KlayRecoverFromTransactionResponse response = web3j.klayRecoverFromTransaction(hexValue, blockNumber)
System.out.println("Original address : " + from);
System.out.println("Result address : " + response.getResult());