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

Example 91 with Hbar

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

the class TokenWipeIntegrationTest method cannotWipeAccountsNftsIfNotOwned.

@Test
@DisplayName("Cannot wipe accounts NFTs if the account doesn't own them")
void cannotWipeAccountsNftsIfNotOwned() throws Exception {
    var testEnv = new IntegrationTestEnv(1).useThrowawayAccount();
    var key = PrivateKey.generateED25519();
    var response = new AccountCreateTransaction().setKey(key).setInitialBalance(new Hbar(1)).execute(testEnv.client);
    var accountId = Objects.requireNonNull(response.getReceipt(testEnv.client).accountId);
    var tokenId = Objects.requireNonNull(new TokenCreateTransaction().setTokenName("ffff").setTokenSymbol("F").setTokenType(TokenType.NON_FUNGIBLE_UNIQUE).setTreasuryAccountId(testEnv.operatorId).setAdminKey(testEnv.operatorKey).setFreezeKey(testEnv.operatorKey).setWipeKey(testEnv.operatorKey).setKycKey(testEnv.operatorKey).setSupplyKey(testEnv.operatorKey).setFreezeDefault(false).execute(testEnv.client).getReceipt(testEnv.client).tokenId);
    var mintReceipt = new TokenMintTransaction().setTokenId(tokenId).setMetadata(NftMetadataGenerator.generate((byte) 10)).execute(testEnv.client).getReceipt(testEnv.client);
    new TokenAssociateTransaction().setAccountId(accountId).setTokenIds(Collections.singletonList(tokenId)).freezeWith(testEnv.client).sign(key).execute(testEnv.client).getReceipt(testEnv.client);
    new TokenGrantKycTransaction().setAccountId(accountId).setTokenId(tokenId).execute(testEnv.client).getReceipt(testEnv.client);
    var serialsToTransfer = mintReceipt.serials.subList(0, 4);
    // don't transfer them
    assertThatExceptionOfType(ReceiptStatusException.class).isThrownBy(() -> {
        new TokenWipeTransaction().setTokenId(tokenId).setAccountId(accountId).setSerials(serialsToTransfer).execute(testEnv.client).getReceipt(testEnv.client);
    }).withMessageContaining(Status.ACCOUNT_DOES_NOT_OWN_WIPED_NFT.toString());
    testEnv.close(tokenId, accountId, key);
}

Example 92 with Hbar

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

the class TokenWipeIntegrationTest method cannotWipeAccountsBalanceWhenTokenIDIsNotSet.

@Test
@DisplayName("Cannot wipe accounts balance when token ID is not set")
void cannotWipeAccountsBalanceWhenTokenIDIsNotSet() throws Exception {
    var testEnv = new IntegrationTestEnv(1).useThrowawayAccount();
    var key = PrivateKey.generateED25519();
    var response = new AccountCreateTransaction().setKey(key).setInitialBalance(new Hbar(1)).execute(testEnv.client);
    var accountId = Objects.requireNonNull(response.getReceipt(testEnv.client).accountId);
    var tokenId = Objects.requireNonNull(new TokenCreateTransaction().setTokenName("ffff").setTokenSymbol("F").setDecimals(3).setInitialSupply(1000000).setTreasuryAccountId(testEnv.operatorId).setAdminKey(testEnv.operatorKey).setFreezeKey(testEnv.operatorKey).setWipeKey(testEnv.operatorKey).setKycKey(testEnv.operatorKey).setSupplyKey(testEnv.operatorKey).setFreezeDefault(false).execute(testEnv.client).getReceipt(testEnv.client).tokenId);
    new TokenAssociateTransaction().setAccountId(accountId).setTokenIds(Collections.singletonList(tokenId)).freezeWith(testEnv.client).sign(key).execute(testEnv.client).getReceipt(testEnv.client);
    new TokenGrantKycTransaction().setAccountId(accountId).setTokenId(tokenId).execute(testEnv.client).getReceipt(testEnv.client);
    new TransferTransaction().addTokenTransfer(tokenId, testEnv.operatorId, -10).addTokenTransfer(tokenId, accountId, 10).execute(testEnv.client).getReceipt(testEnv.client);
    assertThatExceptionOfType(PrecheckStatusException.class).isThrownBy(() -> {
        new TokenWipeTransaction().setAccountId(accountId).setAmount(10).execute(testEnv.client).getReceipt(testEnv.client);
    }).withMessageContaining(Status.INVALID_TOKEN_ID.toString());
    testEnv.close(tokenId, accountId, key);
}

Example 93 with Hbar

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

the class TopicInfoIntegrationTest method getCostBigMaxQueryTopicInfo.

@Test
@DisplayName("Can get cost for topic info query")
void getCostBigMaxQueryTopicInfo() throws Exception {
    var testEnv = new IntegrationTestEnv(1);
    var response = new TopicCreateTransaction().setAdminKey(testEnv.operatorKey).setTopicMemo("[e2e::TopicCreateTransaction]").execute(testEnv.client);
    var topicId = Objects.requireNonNull(response.getReceipt(testEnv.client).topicId);
    var infoQuery = new TopicInfoQuery().setTopicId(topicId).setMaxQueryPayment(new Hbar(1000));
    var cost = infoQuery.getCost(testEnv.client);
    assertThat(cost).isNotNull();
    var info = infoQuery.execute(testEnv.client);
    assertThat(info.topicMemo).isEqualTo("[e2e::TopicCreateTransaction]");
    new TopicDeleteTransaction().setTopicId(topicId).execute(testEnv.client).getReceipt(testEnv.client);
    testEnv.close();
}

Example 94 with Hbar

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

the class CreateAccountThresholdKeyExample 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);
    // Generate three new Ed25519 private, public key pairs.
    // You do not need the private keys to create the Threshold Key List,
    // you only need the public keys, and if you're doing things correctly,
    // you probably shouldn't have these private keys.
    PrivateKey[] privateKeys = new PrivateKey[3];
    PublicKey[] publicKeys = new PublicKey[3];
    for (int i = 0; i < 3; i++) {
        PrivateKey key = PrivateKey.generateED25519();
        privateKeys[i] = key;
        publicKeys[i] = key.getPublicKey();
    }
    System.out.println("public keys: ");
    for (Key key : publicKeys) {
        System.out.println(key);
    }
    // require 2 of the 3 keys we generated to sign on anything modifying this account
    KeyList transactionKey = KeyList.withThreshold(2);
    Collections.addAll(transactionKey, publicKeys);
    TransactionResponse transactionResponse = new AccountCreateTransaction().setKey(transactionKey).setInitialBalance(new Hbar(10)).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);
    TransactionResponse transferTransactionResponse = new TransferTransaction().addHbarTransfer(newAccountId, new Hbar(10).negated()).addHbarTransfer(new AccountId(3), new Hbar(10)).freezeWith(client).sign(privateKeys[0]).sign(privateKeys[1]).execute(client);
    // (important!) wait for the transfer to go to consensus
    transferTransactionResponse.getReceipt(client);
    Hbar balanceAfter = new AccountBalanceQuery().setAccountId(newAccountId).execute(client).hbars;
    System.out.println("account balance after transfer: " + balanceAfter);
}

Example 95 with Hbar

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

the class CreateFileExample 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);
    // The file is required to be a byte array,
    // you can easily use the bytes of a file instead.
    String fileContents = "Hedera hashgraph is great!";
    TransactionResponse transactionResponse = new FileCreateTransaction().setKeys(OPERATOR_KEY.getPublicKey()).setContents(fileContents).setMaxTransactionFee(// 2 HBAR
    new Hbar(2)).execute(client);
    TransactionReceipt receipt = transactionResponse.getReceipt(client);
    FileId newFileId = receipt.fileId;
    System.out.println("file: " + newFileId);
}