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

Example 16 with PrivateKey

use of com.hedera.hashgraph.sdk.PrivateKey in project hedera-mirror-node by hashgraph.

the class AbstractNetworkClient method executeTransaction.

public TransactionId executeTransaction(Transaction transaction, KeyList keyList, ExpandedAccountId payer) {
    int numSignatures = 0;
    // set max retries on sdk
    transaction.setMaxAttempts(sdkClient.getAcceptanceTestProperties().getSdkProperties().getMaxAttempts());
    if (payer != null) {
        transaction.setTransactionId(TransactionId.generate(payer.getAccountId()));
        transaction.freezeWith(client);
        transaction.sign(payer.getPrivateKey());
        numSignatures++;
    }
    if (keyList != null) {
        // Signing requires transaction to be frozen
        transaction.freezeWith(client);
        for (Key k : keyList) {
            transaction.sign((PrivateKey) k);
        }
        log.debug("{} additional signatures added to transaction", keyList.size());
        numSignatures += keyList.size();
    }
    TransactionResponse transactionResponse = retryTemplate.execute(x -> executeTransaction(transaction));
    TransactionId transactionId = transactionResponse.transactionId;
    log.debug("Executed transaction {} with {} signatures.", transactionId, numSignatures);
    return transactionId;
}

Example 17 with PrivateKey

use of com.hedera.hashgraph.sdk.PrivateKey in project hedera-mirror-node by hashgraph.

the class ExpressionConverterImpl method doConvert.

private synchronized String doConvert(Expression expression) {
    if (expressions.containsKey(expression)) {
        return expressions.get(expression);
    }
    try {
        log.debug("Processing expression {}", expression);
        ExpressionType type = expression.getType();
        Class<? extends TransactionSupplier<?>> supplierClass = type.getTransactionType().getSupplier();
        TransactionSupplier<?> transactionSupplier = supplierClass.getConstructor().newInstance();
        if (transactionSupplier instanceof AdminKeyable) {
            AdminKeyable adminKeyable = (AdminKeyable) transactionSupplier;
            PrivateKey privateKey = PrivateKey.fromString(monitorProperties.getOperator().getPrivateKey());
            adminKeyable.setAdminKey(privateKey.getPublicKey().toString());
        }
        if (transactionSupplier instanceof TokenCreateTransactionSupplier) {
            TokenCreateTransactionSupplier tokenSupplier = (TokenCreateTransactionSupplier) transactionSupplier;
            tokenSupplier.setTreasuryAccountId(monitorProperties.getOperator().getAccountId());
            if (type == ExpressionType.NFT) {
                tokenSupplier.setType(TokenType.NON_FUNGIBLE_UNIQUE);
            }
        }
        // if ScheduleCreate set the properties to the inner scheduledTransactionProperties
        if (transactionSupplier instanceof ScheduleCreateTransactionSupplier) {
            var scheduleCreateTransactionSupplier = (ScheduleCreateTransactionSupplier) transactionSupplier;
            scheduleCreateTransactionSupplier.setOperatorAccountId(monitorProperties.getOperator().getAccountId());
            scheduleCreateTransactionSupplier.setPayerAccount(monitorProperties.getOperator().getAccountId());
        }
        PublishScenarioProperties publishScenarioProperties = new PublishScenarioProperties();
        publishScenarioProperties.setName(expression.toString());
        publishScenarioProperties.setTimeout(Duration.ofSeconds(30L));
        publishScenarioProperties.setType(type.getTransactionType());
        PublishScenario scenario = new PublishScenario(publishScenarioProperties);
        // We use explicit retry instead of the SDK retry since we need to regenerate the transaction to
        // avoid transaction expired errors
        Retry retrySpec = Retry.backoff(Long.MAX_VALUE, Duration.ofSeconds(1L)).maxBackoff(Duration.ofSeconds(8L)).doBeforeRetry(r -> log.warn("Retry attempt #{} after failure: {}", r.totalRetries() + 1, r.failure().getMessage()));
        return Mono.defer(() -> transactionPublisher.publish(PublishRequest.builder().receipt(true).scenario(scenario).timestamp(Instant.now()).transaction(transactionSupplier.get().setMaxAttempts(1).setTransactionMemo(scenario.getMemo())).build())).retryWhen(retrySpec).map(PublishResponse::getReceipt).map(type.getIdExtractor()::apply).doOnSuccess(id -> log.info("Created {} entity {}", type, id)).toFuture().join();
    } catch (Exception e) {
        log.error("Error converting expression {}:", expression, e);
        throw new RuntimeException(e);
    }
}

Example 18 with PrivateKey

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

the class ScheduleCreateIntegrationTest method canScheduleTokenTransfer.

@Test
@DisplayName("Can schedule token transfer")
void canScheduleTokenTransfer() throws Exception {
    var testEnv = new IntegrationTestEnv(1).useThrowawayAccount();
    PrivateKey key = PrivateKey.generateED25519();
    var accountId = new AccountCreateTransaction().setReceiverSignatureRequired(true).setKey(key).setInitialBalance(new Hbar(10)).freezeWith(testEnv.client).sign(key).execute(testEnv.client).getReceipt(testEnv.client).accountId;
    Objects.requireNonNull(accountId);
    var tokenId = new TokenCreateTransaction().setTokenName("ffff").setTokenSymbol("F").setInitialSupply(100).setTreasuryAccountId(testEnv.operatorId).setAdminKey(testEnv.operatorKey).execute(testEnv.client).getReceipt(testEnv.client).tokenId;
    Objects.requireNonNull(tokenId);
    new TokenAssociateTransaction().setAccountId(accountId).setTokenIds(Collections.singletonList(tokenId)).freezeWith(testEnv.client).sign(key).execute(testEnv.client).getReceipt(testEnv.client);
    var scheduleId = new TransferTransaction().addTokenTransfer(tokenId, testEnv.operatorId, -10).addTokenTransfer(tokenId, accountId, 10).schedule().execute(testEnv.client).getReceipt(testEnv.client).scheduleId;
    Objects.requireNonNull(scheduleId);
    var balanceQuery1 = new AccountBalanceQuery().setAccountId(accountId).execute(testEnv.client);
    assertThat(balanceQuery1.tokens.get(tokenId)).isEqualTo(0);
    new ScheduleSignTransaction().setScheduleId(scheduleId).freezeWith(testEnv.client).sign(key).execute(testEnv.client).getReceipt(testEnv.client);
    var balanceQuery2 = new AccountBalanceQuery().setAccountId(accountId).execute(testEnv.client);
    assertThat(balanceQuery2.tokens.get(tokenId)).isEqualTo(10);
    testEnv.close(tokenId, accountId, key);
}

Example 19 with PrivateKey

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

the class ScheduleCreateIntegrationTest method canSignSchedule2.

@Test
@DisplayName("Can sign schedule")
void canSignSchedule2() throws Exception {
    var testEnv = new IntegrationTestEnv(1);
    PrivateKey key1 = PrivateKey.generateED25519();
    PrivateKey key2 = PrivateKey.generateED25519();
    PrivateKey key3 = PrivateKey.generateED25519();
    KeyList keyList = new KeyList();
    keyList.add(key1.getPublicKey());
    keyList.add(key2.getPublicKey());
    keyList.add(key3.getPublicKey());
    // Creat the account with the `KeyList`
    TransactionResponse response = new AccountCreateTransaction().setKey(keyList).setInitialBalance(new Hbar(10)).execute(testEnv.client);
    // This will wait for the receipt to become available
    @Var TransactionReceipt receipt = response.getReceipt(testEnv.client);
    AccountId accountId = Objects.requireNonNull(receipt.accountId);
    // Generate a `TransactionId`. This id is used to query the inner scheduled transaction
    // after we expect it to have been executed
    TransactionId transactionId = TransactionId.generate(testEnv.operatorId);
    // Create a transfer transaction with 2/3 signatures.
    TransferTransaction transfer = new TransferTransaction().setTransactionId(transactionId).addHbarTransfer(accountId, new Hbar(1).negated()).addHbarTransfer(testEnv.operatorId, new Hbar(1));
    // Schedule the transactoin
    ScheduleCreateTransaction scheduled = transfer.schedule();
    receipt = scheduled.execute(testEnv.client).getReceipt(testEnv.client);
    // Get the schedule ID from the receipt
    ScheduleId scheduleId = Objects.requireNonNull(receipt.scheduleId);
    // Get the schedule info to see if `signatories` is populated with 2/3 signatures
    @Var ScheduleInfo info = new ScheduleInfoQuery().setScheduleId(scheduleId).execute(testEnv.client);
    assertThat(info.executedAt).isNull();
    // Finally send this last signature to Hedera. This last signature _should_ mean the transaction executes
    // since all 3 signatures have been provided.
    ScheduleSignTransaction signTransaction = new ScheduleSignTransaction().setScheduleId(scheduleId).freezeWith(testEnv.client);
    signTransaction.sign(key1).sign(key2).sign(key3).execute(testEnv.client).getReceipt(testEnv.client);
    info = new ScheduleInfoQuery().setScheduleId(scheduleId).execute(testEnv.client);
    assertThat(info.executedAt).isNotNull();
    new AccountDeleteTransaction().setAccountId(accountId).setTransferAccountId(testEnv.operatorId).freezeWith(testEnv.client).sign(key1).sign(key2).sign(key3).execute(testEnv.client).getReceipt(testEnv.client);
    testEnv.close();
}

Example 20 with PrivateKey

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

the class ScheduledTransactionMultiSigThresholdExample method main.

// public static void main(String[] args) throws PrecheckStatusException, IOException, TimeoutException, ReceiptStatusException {
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);
    // Generate four new Ed25519 private, public key pairs.
    PrivateKey[] privateKeys = new PrivateKey[4];
    PublicKey[] publicKeys = new PublicKey[4];
    for (int i = 0; i < 4; i++) {
        PrivateKey key = PrivateKey.generateED25519();
        privateKeys[i] = key;
        publicKeys[i] = key.getPublicKey();
        System.out.println("public key " + (i + 1) + ": " + publicKeys[i]);
        System.out.println("private key " + (i + 1) + ": " + privateKeys[i]);
    }
    // require 3 of the 4 keys we generated to sign on anything modifying this account
    KeyList transactionKey = KeyList.withThreshold(3);
    Collections.addAll(transactionKey, publicKeys);
    TransactionResponse transactionResponse = new AccountCreateTransaction().setKey(transactionKey).setInitialBalance(Hbar.fromTinybars(1)).setAccountMemo("3-of-4 multi-sig account").execute(client);
    // This will wait for the receipt to become available
    TransactionReceipt txAccountCreateReceipt = transactionResponse.getReceipt(client);
    AccountId multiSigAccountId = Objects.requireNonNull(txAccountCreateReceipt.accountId);
    System.out.println("3-of-4 multi-sig account ID: " + multiSigAccountId);
    AccountBalance balance = new AccountBalanceQuery().setAccountId(multiSigAccountId).execute(client);
    System.out.println("Balance of account " + multiSigAccountId + ": " + balance.hbars.toTinybars() + " tinybar.");
    // schedule crypto transfer from multi-sig account to operator account
    TransactionResponse transferToSchedule = new TransferTransaction().addHbarTransfer(multiSigAccountId, Hbar.fromTinybars(-1)).addHbarTransfer(Objects.requireNonNull(client.getOperatorAccountId()), Hbar.fromTinybars(1)).schedule().freezeWith(client).sign(// add 1 signature`
    privateKeys[0]).execute(client);
    TransactionReceipt txScheduleReceipt = transferToSchedule.getReceipt(client);
    System.out.println("Schedule status: " + txScheduleReceipt.status);
    ScheduleId scheduleId = Objects.requireNonNull(txScheduleReceipt.scheduleId);
    System.out.println("Schedule ID: " + scheduleId);
    TransactionId scheduledTxId = Objects.requireNonNull(txScheduleReceipt.scheduledTransactionId);
    System.out.println("Scheduled tx ID: " + scheduledTxId);
    // add 2 signature
    TransactionResponse txScheduleSign1 = new ScheduleSignTransaction().setScheduleId(scheduleId).freezeWith(client).sign(privateKeys[1]).execute(client);
    TransactionReceipt txScheduleSign1Receipt = txScheduleSign1.getReceipt(client);
    System.out.println("1. ScheduleSignTransaction status: " + txScheduleSign1Receipt.status);
    // add 3 signature
    TransactionResponse txScheduleSign2 = new ScheduleSignTransaction().setScheduleId(scheduleId).freezeWith(client).sign(privateKeys[2]).execute(client);
    TransactionReceipt txScheduleSign2Receipt = txScheduleSign2.getReceipt(client);
    System.out.println("2. ScheduleSignTransaction status: " + txScheduleSign2Receipt.status);
    // query schedule
    ScheduleInfo scheduleInfo = new ScheduleInfoQuery().setScheduleId(scheduleId).execute(client);
    System.out.println(scheduleInfo);
    // query triggered scheduled tx
    TransactionRecord recordScheduledTx = new TransactionRecordQuery().setTransactionId(scheduledTxId).execute(client);
    System.out.println(recordScheduledTx);
}