Questions tagged [java-sdk]
For questions specifically regarding the Java Software Development Kit (SDK) for Stellar client applications.
63
questions
0
votes
0
answers
6
views
How to set clawback enabled flag in java sdk?
I am trying to set the clawback enabled flag using java-sdk in stellar, but that particular flag is not getting listed.. only AUTH_REQUIRED_FLAG,AUTH_REVOCABLE_FLAG and AUTH_IMMUTABLE_FLAG are present....
- 1
0
votes
1
answer
46
views
Transaction getting Timeout using Java SDK
I'm using the Java SDK for months now but since couple of weeks I'm getting more and more timeouts while launching Payment Operations.
org.stellar.sdk.responses....
- 101
1
vote
1
answer
65
views
What API to use to get metadata of asset issuers?
I am trying to get the metadata (such as organization name, logo) of asset issuers in the Stellar network.
What API should I use that could possibly contain this information when I pass the Public Key,...
- 11
0
votes
2
answers
200
views
How to check if Stellar's account is valid or exist?
How to check if account does not exist with the Java SDK? and how to know if a public key is valid?
I found one way to the first question but is not a clean solution
Server server = new Server("...
- 113
0
votes
1
answer
74
views
How to get result of successfully submitted transaction?
I am using the Stellar Java SDK to submit a PathPaymentStrictReceiveOperation transaction. I get back a SubmitTransactionResponse object. I would like to get the results of the (successful) ...
- 31
0
votes
1
answer
112
views
Send Transaction XDR To Other Account Using Stellar
Situation: I am trying to implement the Stellar 2-party multisignature escrow account with time lock & recovery Smart Contract example using the Java SDK. In transaction 3 (unlock transaction), ...
- 101
0
votes
1
answer
50
views
Unable to create account using Java SDK
I have been successfully creating accounts for months before the reset but I am now running into a problem and not clear what the actual problem is.
I am executing the following code:
final KeyPair ...
2
votes
1
answer
246
views
`tx_bad_auth` when submit transaction to TestNet
I submit a transaction to the TestNet by using the official horizon API (https://horizon-testnet.stellar.org/), and it returns tx_bad_auth.
This is my code:
Server server = new Server("...
- 21
0
votes
1
answer
198
views
How can I view transactions within a specific date range?
Is there any solution for filtering transactions by date?
Scenario: I wanna fetch transactions for a specific account in a specific range of date like 2020/04/04 to 2020/05/04
I looked for it a lot in ...
1
vote
1
answer
40
views
Receiving BaseEncodingException when signing transaction using TestNet : Invalid Input Length
Sending from Account A to B is not working in my implementation. The docs provided by stellar for Java are straight forward but I have been receiving a BaseEncodingException when trying to sign the ...
- 43
2
votes
1
answer
75
views
SEP 0024 Question: Where do the /info response fields referenced below come from?
I'm trying to develop an anchor server and going through the SEP0024 documentation. The documentation says "Provide a full-featured implementation of /info". Where does one find or create the fields ...
-2
votes
1
answer
76
views
How to use manage data operation on Java SDK
I was not able to find any tutorial or an example on manage data operation of Java sdk. I tried to build a sample using the Java API documentation. But it's too complicated. If anyone can show me how ...
- 1
0
votes
1
answer
60
views
My transaction fails with paymentResult: [paymentLineFull]
I'm using the Stellar Java SDK to perform a Transaction with a PaymentOperation and I run into the following transaction response: (Converted from XDR). I don't know what this error means and how I'd ...
0
votes
1
answer
71
views
Network.usePublicNetwork(); showing syntax error
I have just migrated to AndroidX (which may or may not be related to this issue). However, Network.usePublicNetwork(); is now showing a syntax error:
Below are my imports:
import org.stellar.sdk....
2
votes
1
answer
68
views
How can I send lumens over local docker quickstart image using accounts made on local image and not the testnet
I am following the stellar walkthrough for creating two accounts, a source and a destination using the testnet. However, I would like to use my local docker quickstart image to facilitate the ...
- 43
1
vote
1
answer
48
views
Cannot send hashed data through ManageDataOperation
I am trying to send a data hashed using SCryptUtil provided by com.lambdaworks.crypto.SCryptUtil, convert it into array of bytes and send it to the stellar network using ManageDataOperation.Builder
...
- 13
3
votes
1
answer
189
views
Retrieve transaction memo text with Java API
I need to retrieve some transactions from a specific account and then read the memo. I've tried a couple of different methods with no success. My first attempt was as below, but I get odd looking memo ...
- 133
1
vote
1
answer
998
views
"No converter found for return value of type: class org.stellar.sdk.requests.TransactionsRequestBuilder" when getting transaction history
This is my code for transaction history:
@RequestMapping(value = EmpRestURIConstants.TRANS_HIS, method = RequestMethod.POST)
public @ResponseBody TransactionsRequestBuilder transactionHistory(@...
- 33
1
vote
2
answers
186
views
Exception while send Transaction using Java stellar SDK "TimeBounds has to be set or you must call setTimeout(TIMEOUT_INFINITE)"
I am getting the following Exception while performing send transaction using the Java Stellar SDK.
This is my send transaction code:
import org.stellar.sdk.AssetTypeNative;
import org.stellar.sdk....
- 33
1
vote
2
answers
43
views
How to set managed data on an account
I am new to stellar.
I want to add a data to my stellar account as a key value pair. As in
"Name"(Key) - "John"(Value).
How can I achieve this?
Pointing me to a sample code would be really ...
- 11
2
votes
1
answer
145
views
Problem of implementation of Path Payment in a Wallet?
I made a Java implementation of a Path Payment.
I created 3 accounts. For example:
the first plays the role of issuer. He issued 2 assets (USD, EUR)
The second has USD
The third, EUR.
I created an ...
- 21
5
votes
1
answer
119
views
Stellar Java Sdk key validation?
In JavaScript SDK we have method isValidEd25519PublicKey for Stellar address validation. But in Java SDK there is no such method.
How can I validate Stellar address with Java SDK?
- 153
4
votes
1
answer
71
views
Extra 0 byte at end of MemoText String
I extracted a TransactionEnvelope XDR several months ago for testing. It parses fine in the lab and the SDKs.
I've tried parsing it by hand and there's something I don't understand. After the ...
- 3,367
1
vote
3
answers
88
views
Payment operation listener firing off multiple times for single operation
I have implemented a payment listener in my mainActivity. It is working, except that the majority of the time it is firing off multiple times (usually 2 or 3 times) for a single payment receipt.
...
0
votes
1
answer
71
views
Multi-sign transaction is not working
I am creating a multi-sign transaction. When I am submitting the transaction to Stellar, response.isSuccess() returns false. Could anyone tell me where I am going wrong? link https://www.stellar.org/...
1
vote
1
answer
67
views
Transaction Stream parameter and method not recognized
I'm trying to set up a transaction listening stream. I have taken the Java snippet directly from the docs. Below is the part that is giving me an issue.
Server server = new Server("https://horizon-...
2
votes
1
answer
84
views
Subscribing to incoming transaction does not work
paymentsRequest.stream(new EventListener<OperationResponse>() {
@Override
public void onEvent(OperationResponse payment) {
System.out.println("TEST TEST TEST");
This ...
1
vote
2
answers
122
views
Convert transaction XDR to object?
Given a base64 & XDR encoded transaction, how can I convert this into a transaction object? I already saw this answer, but couldn't find the Transaction.fromEnvelopeXdr(...) method.
- 13
1
vote
1
answer
60
views
How to access AssetResponse properties of a newly created asset? C# or Java
I'm using the C# SDK.
For Example, a new Asset is created.
_stellarAsset = Asset.CreateNonNativeAsset("credit_alphanum4", _assetIssuer, _assetCode);
This is in a method which returns the asset ...
- 13
4
votes
1
answer
69
views
ManageOfferOperation - Not taking the price I set
I'm using the Java SDK.
With the ManageOfferOperation class passing an amount and price but it's not taking the price I set. Instead it always sets a different price, which I believe is the market ...
3
votes
1
answer
88
views
paymentsRequest.stream
I'm using the android studio and
I'm having trouble with paymantsRequest.stream.
it's saying it can't connect to server sent event.
(cannot access com.here.oksse.serversentevent)
here is the code
...
- 73
4
votes
2
answers
114
views
Retrieving operations for a transaction unexpectedly slow?
I am trying to retrieve the operations for the transactions of a given ledger.
First retrieve the transactions:
List<TransactionResponse> transactionResponses = this.server.horizonServer()
...
4
votes
2
answers
467
views
How to Build transaction XDR before sign it
I want to build a transaction and convert that as XDR before sign that transaction. As i found we need to build adn sign the transaction before convert that as XDR specially in java and GO SDK. Is ...
- 421
1
vote
1
answer
77
views
get Transaction object from xdr base64 string
I have a base64 xdr string of a transaction. How can I convert that to a transaction object, so I can sign it e.g. transaction.sign(...)
- 121
3
votes
1
answer
136
views
Random crash upon calling KeyPair.random() on android
I'm trying to use the stellar sdk in an android app. So I downloaded the stellar sdk and generate it's jar and include it in as a external jar in my android app. To get it working I also had to add ...
- 131
5
votes
3
answers
164
views
TimeBounds won't execute?
I struggle using the timebounds option for an operation.
Use case : I want a transaction to be executed at a precise time, not before, not after.
I'm doing my tests on the test network.
The ...
- 157
6
votes
1
answer
101
views
minTime must be >= maxTime ? Java SDK
I'm trying to add a simple time bounds with the Java SDK to settle a transaction happening at a certain time.
Code used :
Instant unlockDate = Instant.now().plusSeconds(60 * 2);
TimeBounds ...
- 157
1
vote
2
answers
486
views
Trading error 400, what's the problem?
I receive an HTTP 400 error from the /transactions endpoint on public Horizon when running this code:
try {
Network.usePublicNetwork();
Server server = new Server("https://horizon.stellar.org"...
- 87
4
votes
4
answers
485
views
How does Java parse XDR information?
I need to get the transaction records. This information seems to be in XDR. How can I parse it in Java?
- 87
1
vote
1
answer
56
views
Compliance Server Request
Still new on stellar but am having a challenge when using the default compliance server for Auth_request. Keep on getting the below error.
{
"code": "invalid_parameter",
"message": "Invalid ...
2
votes
2
answers
133
views
Java SDK: Transaction object from envelope
In Javascript SDK, transaction can be built, signed and then be converted to envelope xdr/string format. This is very useful for multi sig operations since we can retrieve the transaction object from ...
- 539
2
votes
1
answer
354
views
How to setup time bounds for an escrow account?
I am trying to create 2-Party Multisignature Escrow Account with Time Lock & Recovery as in this ref:https://www.stellar.org/developers/guides/walkthroughs/stellar-smart-contracts.html
Now, I ...
2
votes
1
answer
123
views
Python vs Java(script) for stellar apps. Is it worth learning a new language?
I am starting to get into programming apps for crypto, and I would like to start on the Stellar network. My programming background lies mainly in C and Python, and I am a reasonably competent self ...
- 123
3
votes
1
answer
120
views
Stream stop get new data when finishing fetch all data and new payment was created
I using java-stellar-sdk version 0.2.0 from this: https://github.com/stellar/java-stellar-sdk/releases
I did as tutorial example:
@Override
protected void onCreate(Bundle savedInstanceState) {
...
- 41
2
votes
1
answer
336
views
How to get Transaction amount from API?
I want to display all transactions of given users. Using the Java API, I presume I would do:
server.transactions().forAccount(destination2).execute();
I would then page through the result. Each item ...
- 193
5
votes
3
answers
743
views
How to sign the XDR transaction envelop and and post it through java sdk?
I received the XDR envelope of a transaction. I need to sign it and submit using Java SDK.
I am able to decode the XDR, but need help on how to sign and submit.
- 421
5
votes
1
answer
2k
views
Convert XDR to text
I want to convert the XDR fromat of the transaction to text using JS or java SDK in stellar.Or if there are any methods outside stellar also fine.
- 421
4
votes
1
answer
107
views
java sdk leaking threads; my fault or bug?
In the simplest case, when I have a KeyPair key for an account that doesn't yet exist, and call
// private Server mServer; // declared and intialized elsewhere
mServer.accounts().account(key);
it ...
- 41
2
votes
2
answers
178
views
Simple Transaction Issue
I am working on a small and very basic project, essentially doing a POC involving stellar transactions. I am a newbie with stellar. I have two clients running the same code, and a 'banker' who ...
- 29
2
votes
1
answer
88
views
Issue with Submit Transaction
Am using Java SDK and Horizon Testnet.
Issue is when i submit a transaction using server.submitTransaction method i get following exception, please let me know if you need any more information
javax....
- 31