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

Example 1 with CustomFractionalFee

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

the class TokenFeeScheduleUpdateIntegrationTest method cannotUpdateWithAnyOtherKey.

@Test
@DisplayName("Cannot update fee schedule with any key other than fee schedule key")
void cannotUpdateWithAnyOtherKey() throws Exception {
    var testEnv = new IntegrationTestEnv(1).useThrowawayAccount();
    var response = new TokenCreateTransaction().setTokenName("ffff").setTokenSymbol("F").setTreasuryAccountId(testEnv.operatorId).setAdminKey(testEnv.operatorKey).setFeeScheduleKey(PrivateKey.generate()).setFreezeDefault(false).execute(testEnv.client);
    var tokenId = Objects.requireNonNull(response.getReceipt(testEnv.client).tokenId);
    var customFees = new ArrayList<CustomFee>();
    customFees.add(new CustomFixedFee().setAmount(10).setFeeCollectorAccountId(testEnv.operatorId));
    customFees.add(new CustomFractionalFee().setNumerator(1).setDenominator(20).setMin(1).setMax(10).setFeeCollectorAccountId(testEnv.operatorId));
    assertThatExceptionOfType(ReceiptStatusException.class).isThrownBy(() -> {
        new TokenFeeScheduleUpdateTransaction().setTokenId(tokenId).setCustomFees(customFees).execute(testEnv.client).getReceipt(testEnv.client);
    }).withMessageContaining(Status.INVALID_SIGNATURE.toString());
    testEnv.close(tokenId);
}

Example 2 with CustomFractionalFee

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

the class TokenFeeScheduleUpdateIntegrationTest method canUpdateToken.

@Test
@DisplayName("Can update token fees")
void canUpdateToken() throws Exception {
    var testEnv = new IntegrationTestEnv(1).useThrowawayAccount();
    var response = 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).setFeeScheduleKey(testEnv.operatorKey).setFreezeDefault(false).execute(testEnv.client);
    var tokenId = Objects.requireNonNull(response.getReceipt(testEnv.client).tokenId);
    @Var var info = new TokenInfoQuery().setTokenId(tokenId).execute(testEnv.client);
    assertThat(info.tokenId).isEqualTo(tokenId);
    assertThat(info.name).isEqualTo("ffff");
    assertThat(info.symbol).isEqualTo("F");
    assertThat(info.decimals).isEqualTo(3);
    assertThat(testEnv.operatorId).isEqualTo(info.treasuryAccountId);
    assertThat(info.adminKey).isNotNull();
    assertThat(info.freezeKey).isNotNull();
    assertThat(info.wipeKey).isNotNull();
    assertThat(info.kycKey).isNotNull();
    assertThat(info.supplyKey).isNotNull();
    assertThat(info.adminKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.freezeKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.wipeKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.kycKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.supplyKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.feeScheduleKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.defaultFreezeStatus).isNotNull();
    assertThat(info.defaultFreezeStatus).isFalse();
    assertThat(info.defaultKycStatus).isNotNull();
    assertThat(info.defaultKycStatus).isFalse();
    assertThat(info.customFees.size()).isEqualTo(0);
    var customFees = new ArrayList<CustomFee>();
    customFees.add(new CustomFixedFee().setAmount(10).setFeeCollectorAccountId(testEnv.operatorId));
    customFees.add(new CustomFractionalFee().setNumerator(1).setDenominator(20).setMin(1).setMax(10).setFeeCollectorAccountId(testEnv.operatorId));
    new TokenFeeScheduleUpdateTransaction().setTokenId(tokenId).setCustomFees(customFees).execute(testEnv.client).getReceipt(testEnv.client);
    info = new TokenInfoQuery().setTokenId(tokenId).execute(testEnv.client);
    assertThat(info.tokenId).isEqualTo(tokenId);
    assertThat(info.name).isEqualTo("ffff");
    assertThat(info.symbol).isEqualTo("F");
    assertThat(info.decimals).isEqualTo(3);
    assertThat(info.treasuryAccountId).isEqualTo(testEnv.operatorId);
    assertThat(info.adminKey).isNotNull();
    assertThat(info.freezeKey).isNotNull();
    assertThat(info.wipeKey).isNotNull();
    assertThat(info.kycKey).isNotNull();
    assertThat(info.supplyKey).isNotNull();
    assertThat(info.adminKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.freezeKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.wipeKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.kycKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.supplyKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.feeScheduleKey.toString()).isEqualTo(testEnv.operatorKey.toString());
    assertThat(info.defaultFreezeStatus).isNotNull();
    assertThat(info.defaultFreezeStatus).isFalse();
    assertThat(info.defaultKycStatus).isNotNull();
    assertThat(info.defaultKycStatus).isFalse();
    var fees = info.customFees;
    assertThat(fees.size()).isEqualTo(2);
    @Var int fixedCount = 0;
    @Var int fractionalCount = 0;
    for (var fee : fees) {
        if (fee instanceof CustomFixedFee) {
            fixedCount++;
            var fixed = (CustomFixedFee) fee;
            assertThat(fixed.getAmount()).isEqualTo(10);
            assertThat(fixed.getFeeCollectorAccountId()).isEqualTo(testEnv.operatorId);
            assertThat(fixed.getDenominatingTokenId()).isNull();
        } else if (fee instanceof CustomFractionalFee) {
            fractionalCount++;
            var fractional = (CustomFractionalFee) fee;
            assertThat(fractional.getNumerator()).isEqualTo(1);
            assertThat(fractional.getDenominator()).isEqualTo(20);
            assertThat(fractional.getMin()).isEqualTo(1);
            assertThat(fractional.getMax()).isEqualTo(10);
            assertThat(fractional.getFeeCollectorAccountId()).isEqualTo(testEnv.operatorId);
        }
    }
    assertThat(fixedCount).isEqualTo(1);
    assertThat(fractionalCount).isEqualTo(1);
    testEnv.close(tokenId);
}

Example 3 with CustomFractionalFee

use of com.hedera.hashgraph.sdk.CustomFractionalFee 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 CustomFractionalFee

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

the class CustomFeesConverter method customFee.

@DataTableType
public CustomFee customFee(Map<String, String> entry) {
    String amount = entry.get("amount");
    AccountId collector = tokenFeature.getRecipientAccountId(Integer.parseInt(entry.get("collector")));
    if (Strings.isNotEmpty(amount)) {
        // fixed fee
        CustomFixedFee fixedFee = new CustomFixedFee();
        fixedFee.setAmount(Long.parseLong(amount));
        fixedFee.setFeeCollectorAccountId(collector);
        fixedFee.setDenominatingTokenId(getTokenId(entry.get("token")));
        return fixedFee;
    } else {
        CustomFractionalFee fractionalFee = new CustomFractionalFee();
        fractionalFee.setNumerator(Long.parseLong(entry.get("numerator")));
        fractionalFee.setDenominator(Long.parseLong(entry.get("denominator")));
        fractionalFee.setFeeCollectorAccountId(collector);
        fractionalFee.setMax(getValueOrDefault(entry.get("maximum")));
        fractionalFee.setMin(getValueOrDefault(entry.get("minimum")));
        return fractionalFee;
    }
}

Example 5 with CustomFractionalFee

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

the class TokenFeature method verifyTokenWithCustomFeesSchedule.

private void verifyTokenWithCustomFeesSchedule(TokenId tokenId, String createdTimestamp) {
    MirrorTokenResponse response = verifyToken(tokenId);
    MirrorCustomFees expected = new MirrorCustomFees();
    expected.setCreatedTimestamp(createdTimestamp);
    for (CustomFee customFee : tokenCustomFees.get(tokenId)) {
        if (customFee instanceof CustomFixedFee) {
            CustomFixedFee sdkFixedFee = (CustomFixedFee) customFee;
            MirrorFixedFee fixedFee = new MirrorFixedFee();
            fixedFee.setAmount(sdkFixedFee.getAmount());
            fixedFee.setCollectorAccountId(sdkFixedFee.getFeeCollectorAccountId().toString());
            if (sdkFixedFee.getDenominatingTokenId() != null) {
                fixedFee.setDenominatingTokenId(sdkFixedFee.getDenominatingTokenId().toString());
            }
            expected.getFixedFees().add(fixedFee);
        } else {
            CustomFractionalFee sdkFractionalFee = (CustomFractionalFee) customFee;
            MirrorFractionalFee fractionalFee = new MirrorFractionalFee();
            MirrorFraction fraction = new MirrorFraction();
            fraction.setNumerator(sdkFractionalFee.getNumerator());
            fraction.setDenominator(sdkFractionalFee.getDenominator());
            fractionalFee.setAmount(fraction);
            fractionalFee.setCollectorAccountId(sdkFractionalFee.getFeeCollectorAccountId().toString());
            fractionalFee.setDenominatingTokenId(tokenId.toString());
            if (sdkFractionalFee.getMax() != 0) {
                fractionalFee.setMaximum(sdkFractionalFee.getMax());
            }
            fractionalFee.setMinimum(sdkFractionalFee.getMin());
            expected.getFractionalFees().add(fractionalFee);
        }
    }
    MirrorCustomFees actual = response.getCustomFees();
    assertThat(actual).usingRecursiveComparison(RecursiveComparisonConfiguration.builder().withIgnoreCollectionOrder(true).build()).isEqualTo(expected);
}