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 org.web3j.crypto.KlayCredentials;
import org.web3j.crypto.KlaySignatureData;
import org.web3j.crypto.Sign.SignatureData;
import org.web3j.protocol.http.HttpService;
import org.web3j.protocol.kaia.Web3j;
import org.web3j.protocol.kaia.core.method.response.KlayRecoverFromMessageResponse;
public class SignMsgWithRoleBasedExample implements keySample {
public static void run() throws Exception {
Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials credentials1 = KlayCredentials.create(keySample.ROLEBASED_KEY_transactionkey,
keySample.ROLEBASED_KEY_address);
KlayCredentials credentials2 = KlayCredentials.create(keySample.ROLEBASED_KEY_updatekey,
keySample.ROLEBASED_KEY_address);
KlayCredentials credentials3 = KlayCredentials.create(keySample.ROLEBASED_KEY_feepayer,
keySample.ROLEBASED_KEY_address);
String from = credentials1.getAddress();
String message = "0xdeadbeef";
String blockNumber = "latest";
SignatureData signature1 = KlaySignatureData.signPrefixedMessage(message, credentials1);
String result1 = KlaySignatureData.getSignatureString(signature1);
SignatureData signature2 = KlaySignatureData.signPrefixedMessage(message, credentials2);
String result2 = KlaySignatureData.getSignatureString(signature2);
SignatureData signature3 = KlaySignatureData.signPrefixedMessage(message, credentials3);
String result3 = KlaySignatureData.getSignatureString(signature3);
KlayRecoverFromMessageResponse response1 = web3j
.klayRecoverFromMessage(from, message, result1, blockNumber)
KlayRecoverFromMessageResponse response2 = web3j
.klayRecoverFromMessage(from, message, result2, blockNumber)
KlayRecoverFromMessageResponse response3 = web3j
.klayRecoverFromMessage(from, message, result3, blockNumber)
System.out.println("Original address : " + from);
System.out.println("Result address for transaction key : " + response1.getResult());
System.out.println("Result address for update key : " + response2.getResult());
System.out.println("Result address for feepayer key : " + response3.getResult());