Questions tagged [javascript-sdk]
For questions specifically regarding the JavaScript Software Development Kit (SDK) for Stellar client applications.
85
questions
10
votes
3
answers
287
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 ...
- 1,184
9
votes
3
answers
342
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 ...
- 1,328
8
votes
1
answer
220
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 ...
- 335
8
votes
1
answer
267
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 ...
- 81
7
votes
1
answer
464
views
Why is the memo hash different from the one I specify during tx building?
I'm converting IPFS multi hash to hex, and after throwing away its prefix I want to attach that hash to a stellar transaction (something like here). I build it this way:
let transaction = new ...
- 177
6
votes
2
answers
609
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 ...
- 161
5
votes
3
answers
1k
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 ...
- 51
5
votes
4
answers
704
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
- 171
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
5
votes
1
answer
90
views
Send Lumens and receive custom tokens in a single transaction?
How do I implement the issuance of a loan with a pledge?
I want to send a loan from a multi-signature account and receive a pledge in the form of custom tokens in a single transaction.
At the moment ...
5
votes
1
answer
56
views
Stellar address prefix bitwise operator rationale
Stellar prefixes public keys with G. Why do they use a bitwise operation VersionByteAccountID VersionByte = 6 << 3 to get the base 10 value 48? Javascript "returns the default numerical values", ...
- 267
5
votes
1
answer
260
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.
- 161
5
votes
1
answer
158
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 ...
- 1,328
5
votes
1
answer
181
views
Is there a way to watch for balance?
How can I programmatically watch for change in balance for a account or just new incoming transactions?
looking for js-stellar-sdk method
- 243
4
votes
1
answer
385
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?
4
votes
1
answer
278
views
Is it possible to make a request to an account other than "Friendbot" to receive Lumens?
From the documentation you can make a request using Javascript to the "Friendbot" to receive test Lumens for an account:
// The SDK does not have tools for creating test accounts, so you'll have to
//...
- 494
4
votes
1
answer
126
views
(Dup for different SDK) How can I build a transaction with a dynamic list of mutators or operations using the JS SDK?
This is exactly what I am after but in JS.
How can I build a transaction with a dynamic list of mutators or operations using the Go SDK?
Something like this would be great, and then it'd be easy to ...
- 61
4
votes
1
answer
110
views
How to find cursor of a specific timestamp?
I need to find what's the cursor of a specific timestamp in order to let my users see their transactions by date.
Is there any function in an SDK or any endpoint on horizon server?
- 196
4
votes
2
answers
106
views
Is it possible to retrieve last N transactions or all transactions since a given timestamp?
The dapp I'm building can not rely on the paging mechanism described here, since after a short amount of time I will have a lot of transactions for a given account. Retrieving them all to only select ...
- 177
4
votes
1
answer
357
views
Stellar channel implementation is giving an error "this.source.sequenceNumber is not a function"
i am trying to implement stellar channel concept. i am following stellar channel link. I have created 6 channel accounts. Below is the programme i wrote
var destinationId = '...
- 81
4
votes
3
answers
647
views
How should the changeTrust Operation be used?
If I want to create a trustline between my issuing account and new users accounts, how do I do this. I tried with this code:
const StellarSdk = require('stellar-sdk');
StellarSdk.Network....
- 494
3
votes
1
answer
130
views
How to post multiple transactions to the network without giving back the same `transaction_hash`?
I'm trying to post multiple transactions of payment to the network. Let's say 10 at a time. I used javascript in this context.
Problems:
If I try to post all of 10 transactions at the same time ...
- 131
3
votes
1
answer
820
views
Creating an account, adding a trust line and transferring the asset in a single transaction
I want to send non-native assets to new stellar accounts. To do this, I understand that I need to create a new account by funding it with XLM (1 XLM minimum), add a trust line to the asset issuer and ...
- 51
3
votes
2
answers
210
views
How do I get the public keys from a transaction javascript
I am developing a site as college project and I cannot seem to understand how to implement StrKey to get the public key from a transaction.
I can decode the xdr but cannot seem to understand how to ...
- 31
3
votes
1
answer
53
views
Error when including 2 deps that both have stellar-base as a subdependency
When I include both stellar-hd-wallet and stellar-sdk in my project I get errors when requiring them both as stellar-base is included twice which also imports the generated XDR types twice causing the ...
- 133
3
votes
1
answer
353
views
How to create and fund a stellar account on live network?
I have used the JS SDK to create a set of keys, and then send some money to it using friendbot cfr the docs to create an account (https://www.stellar.org/developers/guides/get-started/create-account....
- 33
3
votes
1
answer
159
views
How can I decode the address from XDR envelope
I am trying to write a page to show all the transaction history of an account, I use StellarSdk.xdr.TransactionEnvelope.fromXDR(page.records[0].envelope_xdr, 'base64') to get the transaction envelope, ...
- 33
3
votes
1
answer
104
views
How to carry out compliance for transactions between customers using single compliance server?
I have set up an Anchor account and created a custom asset to have customers trade with. I want to set up some compliance for transactions sent from one customer to the other. All customers will be ...
- 31
2
votes
2
answers
172
views
Getting all offers for a particular Asset (pair)
For a while now I'm trying to figure out how to get all offers for a particular Asset (or pair). As an example, StellarExpert lists all offers of MOBI on the following page: https://stellar.expert/...
- 123
2
votes
1
answer
256
views
Error: XDR Write Error: not an integer while issuing the asset in stellar network
I am trying to issue an asset in stellar using the following code
var StellarSdk = require('stellar-sdk');
StellarSdk.Network.useTestNetwork();
var server = new StellarSdk.Server('https://horizon-...
- 21
2
votes
2
answers
440
views
Get the operation record of a payment
Using the javascript sdk, I'm sending a payment like so:
const operation = Operation.payment({
destination: toAddress,
asset: asset,
amount: amount.toString()
});
const account = await ...
- 123
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
2
votes
2
answers
628
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 = '...
- 89
2
votes
1
answer
520
views
How can i decode and get relevant data from envelope_xdr
I know that Stellar.xdr.TransactionEnvelope.fromXDR can decode data of a record called envelope_xdr. But what I do not understand is how I can get all data I need like memo, sourceAccount etc. Because ...
- 157
2
votes
1
answer
276
views
How do I locally manage sequence no of an account?
I am trying to successfully send a transaction but its failing
whats the purpose of these two functions
1 - StellarSdk.Operation.createAccount
2 - StellarSdk.Operation.payment
if I am using an ...
- 199
2
votes
1
answer
533
views
Create an account on a private stellar network
I wish to create an account on a private stellar network.
The network was created using this docker image https://github.com/stellar/docker-stellar-core-horizon, with the --standalone flag.
When I ...
2
votes
2
answers
134
views
How can I actually use the js-stellar-sdk?
I'm trying to figure it all my self but I cannot find any useful information on how actually use the Documentation provided.
For example I see there are classes and inside Account, ...
- 31
2
votes
1
answer
83
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 = ...
- 196
2
votes
1
answer
202
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-...
- 454
2
votes
1
answer
80
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 ...
- 539
2
votes
2
answers
681
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 (...
- 201
2
votes
1
answer
73
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 ...
- 651
2
votes
1
answer
120
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:
...
- 31
2
votes
1
answer
194
views
How to listening new XLM transaction for multiple accounts
I'm totally new in stellar network. I have experienced create transaction listener for bitcoin and ethereum by listen to every new transaction, if that transaction contain my address it send callback ...
- 141
2
votes
2
answers
200
views
Error while submitting change trust transaction
I created an anchor account which issues USD asset. It worked properly.
But now when I modify the program where the anchor issues one more asset called INR and I am creating a trustline for both the ...
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
53
views
How can I encode transaction specific information on the ledger, after it has been made?
Let's say I create invoices which contains consumer products. For each invoice, I create a transaction to the supply account which contains the invoice file hash in the memo.
However, when I have ...
- 177
2
votes
1
answer
271
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, ...
- 1,527
2
votes
1
answer
64
views
Get Public key variable from Freighter Wallet
if (window.freighterApi.isConnected()) {
alert("User has Freighter!");
}
const retrievePublicKey = async () => {
let publicKey = "";
let error = "";
try {
...
2
votes
0
answers
46
views
How to filter only the most recent n number of operations of an account for only a specific Asset?
I had a function that returned the most recent 3 payment operations for an account. But I wante to change it so that it would only return the most recent 3 payment operations for only the asset being ...
- 494