Questions tagged [javascript-sdk]

For questions specifically regarding the JavaScript Software Development Kit (SDK) for Stellar client applications.

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2
votes
1answer
97 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 ...
2
votes
1answer
56 views

How return a state after sumbit a transaction [JavaScript]

I've a dispatcher in node js called dis.js. in this dispatcher i want to call a function in makepayment.js and wait for the result of submit transaction. dis.js critical piece of code const mk = ...
3
votes
1answer
122 views

Messaging over Stellar - Is that right to do?

/* * Hi! * * I'm sending this tiny library for you to check. This is the basis of the * on-chain signature collection solution I'm writing. It includes collecting * signatures for multi-...
4
votes
1answer
728 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.
1
vote
1answer
182 views

Error trying to use stellar-sdk in the browser

I am trying to include stellar-sdk.js (for use on the browser side) like this: import * as stellarModule from './stellar-sdk.js'; The file stellar-sdk.js is present. However, I get this error, when ...
2
votes
1answer
68 views

operation bump sequence status

I am using latest stellar js library. However operation.BumpSequence is failing. Unhandled rejection TypeError: sdk.Operation.BumpSequence is not a function. As per the roadmap, bumpsequence ...
2
votes
2answers
298 views

How to verify a Transaction?

I sent a signed transaction through the internet to a cloud function that needs to verify that the signer is the valid one. My code: const bHMainKeys = Keypair.fromSecret(privateKey) if (...
5
votes
1answer
186 views

How to add a signature using Ledger Nano

I'm trying to add a signature using a Ledger Nano HW wallet but I could not find a question about it. I'm going to research the topic and post a working solution for that.
6
votes
2answers
261 views

How to serialize, send over network, deserialize a transaction envelope for multiple signatures?

I'm trying to send over the network a base64 encoded string representing a partly signed envelope. I need to parse the string back to the original javascript object in order to add a new signature to ...
1
vote
1answer
139 views

Trades stream setup

I have setup streams for transactions, payments, operations, and effects with the method from stellar api guide: this.server = new StellarSdk.Server('https://horizon.stellar.org'); this.stream = ...
2
votes
1answer
60 views

How can I direct stellar laboratory to my own instance of horizon?

I cloned the stellar laboratory project and edited the /src/constants/networks.js file to switch the testnet horizon url to url of my own horizon instance. This allowed me to get requests such as ...
2
votes
1answer
79 views

Can't close server stream

The other existing question didn't work for me. (How to close a stream event?) I set up a class to handle and switch streams. In the constructor, I define and initialize the stream this way: ...
4
votes
1answer
87 views

Getting the 'offerId' on a new Offer and any documentation on 'xdr.ManageOfferOp'?

I'm using the JS-SDK to make offers. An issue I am having though is getting the offerId from a new offer. The offerId is required to manage a pre-existing offer. As such, it seems that the offerId ...
2
votes
1answer
199 views

Good methods for Stress Test to prevent tx_bad_seq?

During a manual stress test with js-stellar-sdk, some transactions may be responded slower (e.g. 10 sec). At high TPS, asynch programming possibly causes server.loadAccount() to get the same tx_seq, ...
4
votes
4answers
375 views

How to control fees in stellar?

Hello is there any class or function where I can control the fees of stellar? How much fee and where it goes ... etc
1
vote
1answer
41 views

What is the default limit on the number of transactions returned for a `Server.transactions` request?

Using the Stellar Javascript SDK, what is the maximum number of transactions that will be returned for a request to server.transactions().forAccount(accountId).call() before I have to worry about ...
1
vote
1answer
49 views

How to retrieve Operations for a certain Asset?

I've been reading the js-stellar-sdk and I didn't find a way to retrieve the operations for a certain Asset. How should be this done?
1
vote
1answer
171 views

Need help getting result_codes using JavaScript SDK on Node. Failed to make a payment

I'm using the JavaScript SDK in Node and have run into a problem making payments on the testnet. I catch the error but am unable to parse it to get at the result_codes which show as [Object] when I ...
2
votes
2answers
409 views

Error in submitting the multisig transaction

The below code is the multisig transaction to submit to stellar horizon testnet. When I am submitting the transaction, I am getting the submission failed error. var alice_public_key = '...
5
votes
3answers
629 views

How to get friendbot to fund my new account using a HTTP request?

On the Stellar development guides it states that using the following code, you can achieve the following: To create a test account, send Friendbot the public key you created. It’ll create and fund ...
4
votes
1answer
282 views

How can I convert the built 'transaction' in XDR format?

Before I submit the transaction to the network I want to convert the 'transaction' in XDR format so that I can save it to database for future reference. I am using Stellar JS library. How to do it?
1
vote
2answers
326 views

Where to enter javascript SDK commands (to generate seed for example)

On the page https://www.stellar.org/developers/guides/get-started/create-account.html is stated: "You can generate the seed and key with the following command" // create a completely new and ...
4
votes
1answer
73 views

What sort of simple tasks could I add to my wallet in the stellar SDK? [closed]

What would be three of the most used lines of code in the JavaScript SDK that could make my wallet perform small actions for me?
10
votes
3answers
183 views

How do I keep track of payments to an address with JS SDK?

Let's say I have a service that requires that a user send some XLM to another account in order to activate their account, what's the best way to actually verify when it's been paid? I can think of a ...
8
votes
1answer
159 views

Is there a way to unset home domain and inflation destination options?

Using the Javascript SDK I'm trying different ways of unsetting the home domain and inflation destination options without success. Is this something that is supported at all on the network, is it just ...
8
votes
3answers
233 views

How to close a stream event?

I just opened a stream to listen for transactions. I'd like to know, how to close it, once I get what I am looking for. I can't find the close method in channel, or any of the objects for setting the ...
5
votes
1answer
82 views

Error: no PRNG in Safari web workers

Hey guys I'm working on a vanity address generator using the Stellar JS SDK inside web workers to relief the main thread from heavy computations. However, it is giving me an error 'no PRNG' regarding ...