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web3j example #609

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web3j example #609

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89d5213
typos in ValueTransfer
JayChoi1736 Mar 20, 2024
1074ccf
line fix
JayChoi1736 Mar 21, 2024
7501a2f
add Transaction Polling Processor in examples and make pretty
JayChoi1736 Apr 4, 2024
dc3bfe0
add legacy key update example
JayChoi1736 Apr 11, 2024
2da9953
rename recover API examples to familiar ones
JayChoi1736 Apr 12, 2024
faf5023
fix account update example to use their own accountKey
JayChoi1736 Apr 18, 2024
e4c1d12
Typo
JayChoi1736 Apr 18, 2024
431e1b8
change example name
JayChoi1736 May 2, 2024
c5f4402
typos in filenames
JayChoi1736 May 9, 2024
1733cd6
Merge branch 'klaytn:dev' into 20240315_web3jExample
JayChoi1736 May 9, 2024
2160fc7
Merge branch 'klaytn:dev' into 20240315_web3jExample
JayChoi1736 May 9, 2024
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27 changes: 16 additions & 11 deletions web3j-ext/README.md
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Expand Up @@ -5,7 +5,7 @@
- Use java version: 11 <= v <= 18
- Visit https://adoptopenjdk.net/ site
- Download OpenJDK

## Install Web3j Klaytn extension

To add the [Gradle Library](https://docs.gradle.org/current/userguide/getting_started.html) to your project:
Expand Down Expand Up @@ -53,7 +53,7 @@ import org.web3j.protocol.klaytn.core.method.response.TransactionReceipt;

public class FeeDelegatedValueTransferExample implements keySample {

public static void run() throws IOException {
public static void run() throws Exception {
Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials credentials = KlayCredentials.create(keySample.LEGACY_KEY_privkey);
KlayCredentials credentials_feepayer = KlayCredentials.create(keySample.LEGACY_KEY_FEEPAYER_privkey);
Expand Down Expand Up @@ -89,17 +89,22 @@ public class FeeDelegatedValueTransferExample implements keySample {
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();
try {
Thread.sleep(2000);
}
catch(Exception e) {
System.out.println(e);
}

int DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH = 40;
int DEFAULT_BLOCK_TIME = 1 * 1000;
long DEFAULT_POLLING_FREQUENCY = DEFAULT_BLOCK_TIME;
TransactionReceiptProcessor transactionReceiptProcessor = new PollingTransactionReceiptProcessor(web3j,
DEFAULT_POLLING_FREQUENCY, DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH);
org.web3j.protocol.core.methods.response.TransactionReceipt ethReceipt = transactionReceiptProcessor
.waitForTransactionReceipt(txHash);
System.out.println("Receipt from eth_getTransactionReceipt : \n" + ethReceipt);
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.print("receipt : \n" + receipt);
System.out.println("Receipt from klay_getTransactionReceipt : \n" + receipt);
web3j.shutdown();

TxTypeValueTransfer rawTransaction = TxTypeValueTransfer.decodeFromRawTransaction(hexValue);
TxTypeFeeDelegatedValueTransfer rawTransaction = TxTypeFeeDelegatedValueTransfer
.decodeFromRawTransaction(hexValue);
System.out.println("TxType : " + rawTransaction.getKlayType());
}
}
````
Expand All @@ -111,7 +116,7 @@ import org.web3j.example.FeeDelegatedValueTransferExample;

public class quickstart {
public static void main(String[] args) throws Exception {
FeeDelegatedValueTransferExample.run();
FeeDelegatedValueTransferExample.run();
}
}
````
74 changes: 74 additions & 0 deletions .../web3j-ext/src/main/java/org/web3j/example/accountKey/AccountUpdateWithLegacyExample.java
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@@ -0,0 +1,74 @@
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.account.AccountKeyLegacy;
import org.web3j.crypto.transaction.type.TxType;
import org.web3j.crypto.transaction.type.TxTypeAccountUpdate;
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.core.methods.response.EthSendTransaction;
import org.web3j.protocol.klaytn.Web3j;
import org.web3j.protocol.http.HttpService;
import org.web3j.utils.Numeric;
import org.web3j.protocol.klaytn.core.method.response.TransactionReceipt;

public class AccountUpdateWithLegacyExample {

public static void run() throws Exception {

KlayCredentials credentials = KlayCredentials.create(keySample.LEGACY_KEY_privkey);
Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));

BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credentials.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
.getTransactionCount();

AccountKeyLegacy accountkey = AccountKeyLegacy.create();

TxType.Type type = Type.ACCOUNT_UPDATE;

KlayRawTransaction raw = KlayRawTransaction.createTransaction(
type,
nonce,
GAS_PRICE,
GAS_LIMIT,
from,
accountkey);

byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();

int DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH = 40;
int DEFAULT_BLOCK_TIME = 1 * 1000;
long DEFAULT_POLLING_FREQUENCY = DEFAULT_BLOCK_TIME;
TransactionReceiptProcessor transactionReceiptProcessor = new PollingTransactionReceiptProcessor(web3j,
DEFAULT_POLLING_FREQUENCY, DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH);
org.web3j.protocol.core.methods.response.TransactionReceipt ethReceipt = transactionReceiptProcessor
.waitForTransactionReceipt(txHash);
System.out.println("Receipt from eth_getTransactionReceipt : \n" + ethReceipt);
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.println("Receipt from klay_getTransactionReceipt : \n" + receipt);
web3j.shutdown();

TxTypeAccountUpdate rawTransaction = TxTypeAccountUpdate.decodeFromRawTransaction(signedMessage);

System.out.println("TxType : " + rawTransaction.getKlayType());

}

}
127 changes: 67 additions & 60 deletions ...eb3j-ext/src/main/java/org/web3j/example/accountKey/AccountUpdateWithMultiSigExample.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
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;
Expand All @@ -24,66 +26,71 @@

public class AccountUpdateWithMultiSigExample {

public static void run(KlayCredentials credentials) throws IOException {

Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials new_credentials1 = KlayCredentials.create(keySample.MULTI_KEY_privkey1);
KlayCredentials new_credentials2 = KlayCredentials.create(keySample.MULTI_KEY_privkey2);
KlayCredentials new_credentials3 = KlayCredentials.create(keySample.MULTI_KEY_privkey3);

BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credentials.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
.getTransactionCount();

BigInteger newPubkey1 = new_credentials1.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey1 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey1));
BigInteger newPubkey2 = new_credentials1.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey2 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey2));
BigInteger newPubkey3 = new_credentials1.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey3 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey3));

// make list with weightedAccountKey1, weightedAccountKey2, weightedAccountKey3
List<WeightedPublicKey> weightedAccountKeyList = List.of(weightedAccountKey1, weightedAccountKey2,
weightedAccountKey3);

AccountKeyWeightedMultiSig accountkey = AccountKeyWeightedMultiSig.create(BigInteger.TWO,
weightedAccountKeyList);

TxType.Type type = Type.ACCOUNT_UPDATE;

KlayRawTransaction raw = KlayRawTransaction.createTransaction(
type,
nonce,
GAS_PRICE,
GAS_LIMIT,
from,
accountkey);

byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();
try {
Thread.sleep(2000);
} catch (Exception e) {
System.out.println(e);
}
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.println("receipt : \n" + receipt);
web3j.shutdown();

TxTypeAccountUpdate rawTransaction = TxTypeAccountUpdate.decodeFromRawTransaction(signedMessage);
public static void run() throws Exception {

Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials credential1 = KlayCredentials.create(keySample.MULTI_KEY_privkey1, keySample.MULTI_KEY_address);
KlayCredentials credential2 = KlayCredentials.create(keySample.MULTI_KEY_privkey2, keySample.MULTI_KEY_address);
KlayCredentials credential3 = KlayCredentials.create(keySample.MULTI_KEY_privkey3, keySample.MULTI_KEY_address);

BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credential1.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
.getTransactionCount();

BigInteger newPubkey1 = credential1.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey1 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey1));
BigInteger newPubkey2 = credential2.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey2 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey2));
BigInteger newPubkey3 = credential3.getEcKeyPair().getPublicKey();
WeightedPublicKey weightedAccountKey3 = WeightedPublicKey.create(BigInteger.ONE,
AccountKeyPublic.create(newPubkey3));

// make list with weightedAccountKey1, weightedAccountKey2, weightedAccountKey3
List<WeightedPublicKey> weightedAccountKeyList = List.of(weightedAccountKey1, weightedAccountKey2,
weightedAccountKey3);

AccountKeyWeightedMultiSig accountkey = AccountKeyWeightedMultiSig.create(BigInteger.TWO,
weightedAccountKeyList);

TxType.Type type = Type.ACCOUNT_UPDATE;

KlayRawTransaction raw = KlayRawTransaction.createTransaction(
type,
nonce,
GAS_PRICE,
GAS_LIMIT,
from,
accountkey);

byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credential1);
signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credential2);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();

int DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH = 40;
int DEFAULT_BLOCK_TIME = 1 * 1000;
long DEFAULT_POLLING_FREQUENCY = DEFAULT_BLOCK_TIME;
TransactionReceiptProcessor transactionReceiptProcessor = new PollingTransactionReceiptProcessor(web3j,
DEFAULT_POLLING_FREQUENCY, DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH);
org.web3j.protocol.core.methods.response.TransactionReceipt ethReceipt = transactionReceiptProcessor
.waitForTransactionReceipt(txHash);
System.out.println("Receipt from eth_getTransactionReceipt : \n" + ethReceipt);
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.println("Receipt from klay_getTransactionReceipt : \n" + receipt);
web3j.shutdown();

TxTypeAccountUpdate rawTransaction = TxTypeAccountUpdate.decodeFromRawTransaction(signedMessage);

System.out.println("TxType : " + rawTransaction.getKlayType());

System.out.println("TxType : " + rawTransaction.getKlayType());

}
}

}
79 changes: 42 additions & 37 deletions .../web3j-ext/src/main/java/org/web3j/example/accountKey/AccountUpdateWithPubKeyExample.java
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@@ -1,5 +1,7 @@
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;
Expand All @@ -20,52 +22,55 @@

public class AccountUpdateWithPubKeyExample {

public static void run(KlayCredentials credentials) throws IOException {
public static void run() throws Exception {

Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));
KlayCredentials new_credentials = KlayCredentials.create(keySample.PUBLIC_KEY_privkey,
keySample.PUBLIC_KEY_address);
KlayCredentials credentials = KlayCredentials.create(keySample.PUBLIC_KEY_privkey, keySample.PUBLIC_KEY_address);
Web3j web3j = Web3j.build(new HttpService(keySample.BAOBAB_URL));

BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credentials.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
.getTransactionCount();
BigInteger GAS_PRICE = BigInteger.valueOf(50000000000L);
BigInteger GAS_LIMIT = BigInteger.valueOf(6721950);
String from = credentials.getAddress();
EthChainId EthchainId = web3j.ethChainId().send();
long chainId = EthchainId.getChainId().longValue();
BigInteger nonce = web3j.ethGetTransactionCount(from, DefaultBlockParameterName.LATEST).send()
.getTransactionCount();

BigInteger newPubkey = new_credentials.getEcKeyPair().getPublicKey();
BigInteger newPubkey = credentials.getEcKeyPair().getPublicKey();

AccountKeyPublic accountkey = AccountKeyPublic.create(newPubkey);
AccountKeyPublic accountkey = AccountKeyPublic.create(newPubkey);

TxType.Type type = Type.ACCOUNT_UPDATE;
TxType.Type type = Type.ACCOUNT_UPDATE;

KlayRawTransaction raw = KlayRawTransaction.createTransaction(
type,
nonce,
GAS_PRICE,
GAS_LIMIT,
from,
accountkey);
KlayRawTransaction raw = KlayRawTransaction.createTransaction(
type,
nonce,
GAS_PRICE,
GAS_LIMIT,
from,
accountkey);

byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();
try {
Thread.sleep(2000);
} catch (Exception e) {
System.out.println(e);
}
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.println("receipt : \n" + receipt);
web3j.shutdown();
byte[] signedMessage = KlayTransactionEncoder.signMessage(raw, chainId, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue).send();
System.out.println("TxHash : \n " + transactionResponse.getResult());
String txHash = transactionResponse.getResult();

int DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH = 40;
int DEFAULT_BLOCK_TIME = 1 * 1000;
long DEFAULT_POLLING_FREQUENCY = DEFAULT_BLOCK_TIME;
TransactionReceiptProcessor transactionReceiptProcessor = new PollingTransactionReceiptProcessor(web3j,
DEFAULT_POLLING_FREQUENCY, DEFAULT_POLLING_ATTEMPTS_PER_TX_HASH);
org.web3j.protocol.core.methods.response.TransactionReceipt ethReceipt = transactionReceiptProcessor
.waitForTransactionReceipt(txHash);
System.out.println("Receipt from eth_getTransactionReceipt : \n" + ethReceipt);
TransactionReceipt receipt = web3j.klayGetTransactionReceipt(txHash).send().getResult();
System.out.println("Receipt from klay_getTransactionReceipt : \n" + receipt);
web3j.shutdown();

TxTypeAccountUpdate rawTransaction = TxTypeAccountUpdate.decodeFromRawTransaction(signedMessage);
TxTypeAccountUpdate rawTransaction = TxTypeAccountUpdate.decodeFromRawTransaction(signedMessage);

System.out.println("TxType : " + rawTransaction.getKlayType());
System.out.println("TxType : " + rawTransaction.getKlayType());

}
}

}
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