Examples with AccountDeleteTransaction com.hedera.hashgraph.sdk.AccountDeleteTransaction used on opensource projects

Example 1 with AccountDeleteTransaction

use of com.hedera.hashgraph.sdk.AccountDeleteTransaction in project hedera-sdk-java by hashgraph.

the class ScheduleIdenticalTransactionExample method main.

public static void main(String[] args) throws PrecheckStatusException, TimeoutException, ReceiptStatusException {
    Client client = Client.forName(HEDERA_NETWORK);
    // Defaults the operator account ID and key such that all generated transactions will be paid for
    // by this account and be signed by this key
    client.setOperator(OPERATOR_ID, OPERATOR_KEY);
    System.out.println("threshold key example");
    System.out.println("Keys:");
    PrivateKey[] privKeys = new PrivateKey[3];
    PublicKey[] pubKeys = new PublicKey[3];
    Client[] clients = new Client[3];
    AccountId[] accounts = new AccountId[3];
    @Var ScheduleId scheduleID = null;
    // Loop to generate keys, clients, and accounts
    for (int i = 0; i < 3; i++) {
        PrivateKey newKey = PrivateKey.generateED25519();
        privKeys[i] = newKey;
        pubKeys[i] = newKey.getPublicKey();
        System.out.println("Key #" + i + ":");
        System.out.println("private = " + privKeys[i]);
        System.out.println("public = " + pubKeys[i]);
        TransactionResponse createResponse = new AccountCreateTransaction().setKey(newKey).setInitialBalance(new Hbar(1)).execute(client);
        // Make sure the transaction succeeded
        TransactionReceipt transactionReceipt = createResponse.getReceipt(client);
        Client newClient = Client.forName(HEDERA_NETWORK);
        newClient.setOperator(Objects.requireNonNull(transactionReceipt.accountId), newKey);
        clients[i] = newClient;
        accounts[i] = transactionReceipt.accountId;
        System.out.println("account = " + accounts[i]);
    }
    // Loop to generate keys, clients, and accounts
    // A threshold key with a threshold of 2 and length of 3 requires
    // at least 2 of the 3 keys to sign anything modifying the account
    KeyList keyList = KeyList.withThreshold(2);
    Collections.addAll(keyList, pubKeys);
    // We are using all of these keys, so the scheduled transaction doesn't automatically go through
    // It works perfectly fine with just one key
    TransactionResponse createResponse = new AccountCreateTransaction().setKey(keyList).setInitialBalance(new Hbar(10)).execute(client);
    // Make sure the transaction succeeded
    TransactionReceipt receipt = createResponse.getReceipt(client);
    AccountId thresholdAccount = receipt.accountId;
    System.out.println("threshold account = " + thresholdAccount);
    for (Client loopClient : clients) {
        AccountId operatorId = loopClient.getOperatorAccountId();
        // Each loopClient creates an identical transaction, sending 1 hbar to each of the created accounts,
        // sent from the threshold Account
        TransferTransaction tx = new TransferTransaction();
        for (AccountId account : accounts) {
            tx.addHbarTransfer(account, new Hbar(1));
        }
        tx.addHbarTransfer(Objects.requireNonNull(thresholdAccount), new Hbar(3).negated());
        ScheduleCreateTransaction scheduledTx = new ScheduleCreateTransaction().setScheduledTransaction(tx);
        scheduledTx.setPayerAccountId(thresholdAccount);
        TransactionResponse response = scheduledTx.execute(loopClient);
        TransactionReceipt loopReceipt = new TransactionReceiptQuery().setTransactionId(response.transactionId).setNodeAccountIds(Collections.singletonList(response.nodeId)).execute(loopClient);
        System.out.println("operator [" + operatorId + "]: scheduleID = " + loopReceipt.scheduleId);
        // Save the schedule ID, so that it can be asserted for each loopClient submission
        if (scheduleID == null) {
            scheduleID = loopReceipt.scheduleId;
        }
        if (!scheduleID.equals(Objects.requireNonNull(loopReceipt.scheduleId))) {
            System.out.println("invalid generated schedule id, expected " + scheduleID + ", got " + loopReceipt.scheduleId);
            return;
        }
        // If the status return by the receipt is related to already created, execute a schedule sign transaction
        if (loopReceipt.status == Status.IDENTICAL_SCHEDULE_ALREADY_CREATED) {
            TransactionResponse signTransaction = new ScheduleSignTransaction().setScheduleId(scheduleID).setNodeAccountIds(Collections.singletonList(createResponse.nodeId)).setScheduleId(loopReceipt.scheduleId).execute(loopClient);
            TransactionReceipt signReceipt = new TransactionReceiptQuery().setTransactionId(signTransaction.transactionId).execute(client);
            if (signReceipt.status != Status.SUCCESS && signReceipt.status != Status.SCHEDULE_ALREADY_EXECUTED) {
                System.out.println("Bad status while getting receipt of schedule sign with operator " + operatorId + ": " + signReceipt.status);
                return;
            }
        }
    }
    System.out.println(new ScheduleInfoQuery().setScheduleId(scheduleID).execute(client));
    AccountDeleteTransaction thresholdDeleteTx = new AccountDeleteTransaction().setAccountId(thresholdAccount).setTransferAccountId(OPERATOR_ID).freezeWith(client);
    for (int i = 0; i < 3; i++) {
        thresholdDeleteTx.sign(privKeys[i]);
        new AccountDeleteTransaction().setAccountId(accounts[i]).setTransferAccountId(OPERATOR_ID).freezeWith(client).sign(privKeys[i]).execute(client).getReceipt(client);
    }
    thresholdDeleteTx.execute(client).getReceipt(client);
}

Example 2 with AccountDeleteTransaction

use of com.hedera.hashgraph.sdk.AccountDeleteTransaction in project hedera-sdk-java by hashgraph.

the class TransferTokensExample method main.

public static void main(String[] args) throws Exception {
    Client client = Client.forName(HEDERA_NETWORK);
    // Defaults the operator account ID and key such that all generated transactions will be paid for
    // by this account and be signed by this key
    client.setOperator(OPERATOR_ID, OPERATOR_KEY);
    // Generate a Ed25519 private, public key pair
    PrivateKey key1 = PrivateKey.generateED25519();
    PrivateKey key2 = PrivateKey.generateED25519();
    System.out.println("private key = " + key1);
    System.out.println("public key = " + key1.getPublicKey());
    System.out.println("private key = " + key2);
    System.out.println("public key = " + key2.getPublicKey());
    @Var TransactionResponse response = new AccountCreateTransaction().setKey(key1.getPublicKey()).setInitialBalance(Hbar.fromTinybars(1000)).execute(client);
    // This will wait for the receipt to become available
    @Var TransactionReceipt receipt = response.getReceipt(client);
    AccountId accountId1 = Objects.requireNonNull(receipt.accountId);
    System.out.println("accountId1 = " + accountId1);
    response = new AccountCreateTransaction().setKey(key2.getPublicKey()).setInitialBalance(Hbar.fromTinybars(1000)).execute(client);
    // This will wait for the receipt to become available
    receipt = response.getReceipt(client);
    AccountId accountId2 = Objects.requireNonNull(receipt.accountId);
    System.out.println("accountId2 = " + accountId1);
    response = new TokenCreateTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setTokenName("ffff").setTokenSymbol("F").setDecimals(3).setInitialSupply(1000000).setTreasuryAccountId(OPERATOR_ID).setAdminKey(OPERATOR_KEY.getPublicKey()).setFreezeKey(OPERATOR_KEY.getPublicKey()).setWipeKey(OPERATOR_KEY.getPublicKey()).setKycKey(OPERATOR_KEY.getPublicKey()).setSupplyKey(OPERATOR_KEY.getPublicKey()).setFreezeDefault(false).execute(client);
    TokenId tokenId = Objects.requireNonNull(response.getReceipt(client).tokenId);
    System.out.println("token = " + tokenId);
    new TokenAssociateTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setAccountId(accountId1).setTokenIds(Collections.singletonList(tokenId)).freezeWith(client).sign(OPERATOR_KEY).sign(key1).execute(client).getReceipt(client);
    System.out.println("Associated account " + accountId1 + " with token " + tokenId);
    new TokenAssociateTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setAccountId(accountId2).setTokenIds(Collections.singletonList(tokenId)).freezeWith(client).sign(OPERATOR_KEY).sign(key2).execute(client).getReceipt(client);
    System.out.println("Associated account " + accountId2 + " with token " + tokenId);
    new TokenGrantKycTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setAccountId(accountId1).setTokenId(tokenId).execute(client).getReceipt(client);
    System.out.println("Granted KYC for account " + accountId1 + " on token " + tokenId);
    new TokenGrantKycTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setAccountId(accountId2).setTokenId(tokenId).execute(client).getReceipt(client);
    System.out.println("Granted KYC for account " + accountId2 + " on token " + tokenId);
    new TransferTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).addTokenTransfer(tokenId, OPERATOR_ID, -10).addTokenTransfer(tokenId, accountId1, 10).execute(client).getReceipt(client);
    System.out.println("Sent 10 tokens from account " + OPERATOR_ID + " to account " + accountId1 + " on token " + tokenId);
    new TransferTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).addTokenTransfer(tokenId, accountId1, -10).addTokenTransfer(tokenId, accountId2, 10).freezeWith(client).sign(key1).execute(client).getReceipt(client);
    System.out.println("Sent 10 tokens from account " + accountId1 + " to account " + accountId2 + " on token " + tokenId);
    new TransferTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).addTokenTransfer(tokenId, accountId2, -10).addTokenTransfer(tokenId, accountId1, 10).freezeWith(client).sign(key2).execute(client).getReceipt(client);
    System.out.println("Sent 10 tokens from account " + accountId2 + " to account " + accountId1 + " on token " + tokenId);
    new TokenWipeTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setTokenId(tokenId).setAccountId(accountId1).setAmount(10).execute(client).getReceipt(client);
    System.out.println("Wiped balance of account " + accountId1);
    new TokenDeleteTransaction().setNodeAccountIds(Collections.singletonList(response.nodeId)).setTokenId(tokenId).execute(client).getReceipt(client);
    System.out.println("Deleted token " + tokenId);
    new AccountDeleteTransaction().setAccountId(accountId1).setTransferAccountId(OPERATOR_ID).freezeWith(client).sign(OPERATOR_KEY).sign(key1).execute(client).getReceipt(client);
    System.out.println("Deleted accountId1 " + accountId1);
    new AccountDeleteTransaction().setAccountId(accountId2).setTransferAccountId(OPERATOR_ID).freezeWith(client).sign(OPERATOR_KEY).sign(key2).execute(client).getReceipt(client);
    System.out.println("Deleted accountId2" + accountId2);
}

Example 3 with AccountDeleteTransaction

use of com.hedera.hashgraph.sdk.AccountDeleteTransaction in project hedera-sdk-java by hashgraph.

the class CustomFeesExample method main.

public static void main(String[] args) throws TimeoutException, PrecheckStatusException, ReceiptStatusException {
    Client client = Client.forName(HEDERA_NETWORK);
    // Defaults the operator account ID and key such that all generated transactions will be paid for
    // by this account and be signed by this key
    client.setOperator(OPERATOR_ID, OPERATOR_KEY);
    // Create three accounts, Alice, Bob, and Charlie.  Alice will be the treasury for our example token.
    // Fees only apply in transactions not involving the treasury, so we need two other accounts.
    PrivateKey aliceKey = PrivateKey.generateED25519();
    AccountId aliceId = new AccountCreateTransaction().setInitialBalance(new Hbar(10)).setKey(aliceKey).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client).accountId;
    PrivateKey bobKey = PrivateKey.generateED25519();
    AccountId bobId = new AccountCreateTransaction().setInitialBalance(new Hbar(10)).setKey(bobKey).freezeWith(client).sign(bobKey).execute(client).getReceipt(client).accountId;
    PrivateKey charlieKey = PrivateKey.generateED25519();
    AccountId charlieId = new AccountCreateTransaction().setInitialBalance(new Hbar(10)).setKey(charlieKey).freezeWith(client).sign(charlieKey).execute(client).getReceipt(client).accountId;
    System.out.println("Alice: " + aliceId);
    System.out.println("Bob: " + bobId);
    System.out.println("Charlie: " + charlieId);
    // Let's start with a custom fee list of 1 fixed fee.  A custom fee list can be a list of up to
    // 10 custom fees, where each fee is a fixed fee or a fractional fee.
    // This fixed fee will mean that every time Bob transfers any number of tokens to Charlie,
    // Alice will collect 1 Hbar from each account involved in the transaction who is SENDING
    // the Token (in this case, Bob).
    CustomFixedFee customHbarFee = new CustomFixedFee().setHbarAmount(new Hbar(1)).setFeeCollectorAccountId(aliceId);
    List<CustomFee> hbarFeeList = Collections.singletonList(customHbarFee);
    // In this example the fee is in Hbar, but you can charge a fixed fee in a token if you'd like.
    // EG, you can make it so that each time an account transfers Foo tokens,
    // they must pay a fee in Bar tokens to the fee collecting account.
    // To charge a fixed fee in tokens, instead of calling setHbarAmount(), call
    // setDenominatingTokenId(tokenForFee) and setAmount(tokenFeeAmount).
    // Setting the feeScheduleKey to Alice's key will enable Alice to change the custom
    // fees list on this token later using the TokenFeeScheduleUpdateTransaction.
    // We will create an initial supply of 100 of these tokens.
    TokenId tokenId = new TokenCreateTransaction().setTokenName("Example Token").setTokenSymbol("EX").setAdminKey(aliceKey).setSupplyKey(aliceKey).setFeeScheduleKey(aliceKey).setTreasuryAccountId(aliceId).setCustomFees(hbarFeeList).setInitialSupply(100).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client).tokenId;
    System.out.println("Token: " + tokenId);
    TokenInfo tokenInfo1 = new TokenInfoQuery().setTokenId(tokenId).execute(client);
    System.out.println("Custom Fees according to TokenInfoQuery:");
    System.out.println(tokenInfo1.customFees);
    // We must associate the token with Bob and Charlie before they can trade in it.
    new TokenAssociateTransaction().setAccountId(bobId).setTokenIds(Collections.singletonList(tokenId)).freezeWith(client).sign(bobKey).execute(client).getReceipt(client);
    new TokenAssociateTransaction().setAccountId(charlieId).setTokenIds(Collections.singletonList(tokenId)).freezeWith(client).sign(charlieKey).execute(client).getReceipt(client);
    // give all 100 tokens to Bob
    new TransferTransaction().addTokenTransfer(tokenId, bobId, 100).addTokenTransfer(tokenId, aliceId, -100).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client);
    Hbar aliceHbar1 = new AccountBalanceQuery().setAccountId(aliceId).execute(client).hbars;
    System.out.println("Alice's Hbar balance before Bob transfers 20 tokens to Charlie: " + aliceHbar1);
    TransactionRecord record1 = new TransferTransaction().addTokenTransfer(tokenId, bobId, -20).addTokenTransfer(tokenId, charlieId, 20).freezeWith(client).sign(bobKey).execute(client).getRecord(client);
    Hbar aliceHbar2 = new AccountBalanceQuery().setAccountId(aliceId).execute(client).hbars;
    System.out.println("Alices's Hbar balance after Bob transfers 20 tokens to Charlie: " + aliceHbar2);
    System.out.println("Assessed fees according to transaction record:");
    System.out.println(record1.assessedCustomFees);
    // Let's use the TokenUpdateFeeScheduleTransaction with Alice's key to change the custom fees on our token.
    // TokenUpdateFeeScheduleTransaction will replace the list of fees that apply to the token with
    // an entirely new list.  Let's charge a 10% fractional fee.  This means that when Bob attempts to transfer
    // 20 tokens to Charlie, 10% of the tokens he attempts to transfer (2 in this case) will be transferred to
    // Alice instead.
    // Fractional fees default to FeeAssessmentMethod.INCLUSIVE, which is the behavior described above.
    // If you set the assessment method to EXCLUSIVE, then when Bob attempts to transfer 20 tokens to Charlie,
    // Charlie will receive all 20 tokens, and Bob will be charged an _additional_ 10% fee which
    // will be transferred to Alice.
    CustomFractionalFee customFractionalFee = new CustomFractionalFee().setNumerator(1).setDenominator(10).setMin(1).setMax(10).setFeeCollectorAccountId(aliceId);
    List<CustomFee> fractionalFeeList = Collections.singletonList(customFractionalFee);
    new TokenFeeScheduleUpdateTransaction().setTokenId(tokenId).setCustomFees(fractionalFeeList).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client);
    TokenInfo tokenInfo2 = new TokenInfoQuery().setTokenId(tokenId).execute(client);
    System.out.println("Custom Fees according to TokenInfoQuery:");
    System.out.println(tokenInfo2.customFees);
    Map<TokenId, Long> aliceTokens3 = new AccountBalanceQuery().setAccountId(aliceId).execute(client).tokens;
    System.out.println("Alice's token balance before Bob transfers 20 tokens to Charlie: " + aliceTokens3);
    TransactionRecord record2 = new TransferTransaction().addTokenTransfer(tokenId, bobId, -20).addTokenTransfer(tokenId, charlieId, 20).freezeWith(client).sign(bobKey).execute(client).getRecord(client);
    Map<TokenId, Long> aliceTokens4 = new AccountBalanceQuery().setAccountId(aliceId).execute(client).tokens;
    System.out.println("Alices's token balance after Bob transfers 20 tokens to Charlie: " + aliceTokens4);
    System.out.println("Token transfers according to transaction record:");
    System.out.println(record2.tokenTransfers);
    System.out.println("Assessed fees according to transaction record:");
    System.out.println(record2.assessedCustomFees);
    // clean up
    new TokenDeleteTransaction().setTokenId(tokenId).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client);
    new AccountDeleteTransaction().setAccountId(charlieId).setTransferAccountId(client.getOperatorAccountId()).freezeWith(client).sign(charlieKey).execute(client).getReceipt(client);
    new AccountDeleteTransaction().setAccountId(bobId).setTransferAccountId(client.getOperatorAccountId()).freezeWith(client).sign(bobKey).execute(client).getReceipt(client);
    new AccountDeleteTransaction().setAccountId(aliceId).setTransferAccountId(client.getOperatorAccountId()).freezeWith(client).sign(aliceKey).execute(client).getReceipt(client);
    client.close();
}

Example 4 with AccountDeleteTransaction

use of com.hedera.hashgraph.sdk.AccountDeleteTransaction in project hedera-sdk-java by hashgraph.

the class DeleteAccountExample method main.

public static void main(String[] args) throws TimeoutException, PrecheckStatusException, ReceiptStatusException {
    Client client = Client.forName(HEDERA_NETWORK);
    // Defaults the operator account ID and key such that all generated transactions will be paid for
    // by this account and be signed by this key
    client.setOperator(OPERATOR_ID, OPERATOR_KEY);
    // Generate a Ed25519 private, public key pair
    PrivateKey newKey = PrivateKey.generateED25519();
    PublicKey newPublicKey = newKey.getPublicKey();
    System.out.println("private key = " + newKey);
    System.out.println("public key = " + newPublicKey);
    TransactionResponse transactionResponse = new AccountCreateTransaction().setKey(newKey).setInitialBalance(new Hbar(2)).execute(client);
    // This will wait for the receipt to become available
    TransactionReceipt receipt = transactionResponse.getReceipt(client);
    AccountId newAccountId = Objects.requireNonNull(receipt.accountId);
    System.out.println("account = " + newAccountId);
    new AccountDeleteTransaction().setTransactionId(TransactionId.generate(newAccountId)).setAccountId(newAccountId).setTransferAccountId(OPERATOR_ID).freezeWith(client).sign(newKey).execute(client).getReceipt(client);
}

Example 5 with AccountDeleteTransaction

use of com.hedera.hashgraph.sdk.AccountDeleteTransaction in project hedera-sdk-java by hashgraph.

the class AccountAllowanceIntegrationTest method canSpendHbarAllowance.

@Test
@DisplayName("Can spend hbar allowance")
void canSpendHbarAllowance() throws Throwable {
    var testEnv = new IntegrationTestEnv(1);
    var aliceKey = PrivateKey.generateED25519();
    var aliceId = new AccountCreateTransaction().setKey(aliceKey).setInitialBalance(new Hbar(10)).execute(testEnv.client).getReceipt(testEnv.client).accountId;
    var bobKey = PrivateKey.generateED25519();
    var bobId = new AccountCreateTransaction().setKey(bobKey).setInitialBalance(new Hbar(10)).execute(testEnv.client).getReceipt(testEnv.client).accountId;
    Objects.requireNonNull(aliceId);
    Objects.requireNonNull(bobId);
    new AccountAllowanceApproveTransaction().approveHbarAllowance(bobId, aliceId, new Hbar(10)).freezeWith(testEnv.client).sign(bobKey).execute(testEnv.client).getReceipt(testEnv.client);
    var transferRecord = new TransferTransaction().addHbarTransfer(testEnv.operatorId, new Hbar(5)).addApprovedHbarTransfer(bobId, new Hbar(5).negated()).setTransactionId(TransactionId.generate(aliceId)).freezeWith(testEnv.client).sign(aliceKey).execute(testEnv.client).getRecord(testEnv.client);
    var transferFound = false;
    for (var transfer : transferRecord.transfers) {
        if (transfer.accountId.equals(testEnv.operatorId) && transfer.amount.equals(new Hbar(5))) {
            transferFound = true;
            break;
        }
    }
    assertThat(transferFound).isTrue();
    new AccountDeleteTransaction().setAccountId(bobId).setTransferAccountId(testEnv.operatorId).freezeWith(testEnv.client).sign(bobKey).execute(testEnv.client).getReceipt(testEnv.client);
    testEnv.close(aliceId, aliceKey);
}