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

Example 26 with TopicCreateTransaction

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

the class CreateTopicExample 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.
    TransactionResponse createResponse = new TopicCreateTransaction().execute(client);
    TransactionReceipt createReceipt = createResponse.getReceipt(client);
    System.out.println("topic id = " + createReceipt.topicId);
    TransactionResponse sendResponse = new TopicMessageSubmitTransaction().setTopicId(createReceipt.topicId).setMessage("Hello World").execute(client);
    TransactionReceipt sendReceipt = sendResponse.getReceipt(client);
    System.out.println("topic sequence number = " + sendReceipt.topicSequenceNumber);
}