Questions tagged [javascript-sdk]
For questions specifically regarding the JavaScript Software Development Kit (SDK) for Stellar client applications.
0
votes
1answer
15 views
Why do we receive an undefined Event error when streaming payments via the node.js sdk?
We run a continuous payments stream that receives fairly useless errors on the regular and would like to know what these may stem from and if they can be disregarded. I haven't been able to correlate ...
1
vote
1answer
18 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 ...
0
votes
0answers
13 views
Documention for crowd funding in Joint-Entity Crowdfunding
Hi guys i want to create a stellar crowdfunding Joint-Entity Crowdfunding
Use Case Scenario i am able to do until assigning a value to the token which i created. but i am unable to code for
...
1
vote
2answers
27 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 ...
1
vote
0answers
20 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 ...
3
votes
1answer
58 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 ...
2
votes
1answer
79 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 ...
1
vote
2answers
33 views
EventStream api only return new transactions
As mentioned in Following payments using EventStream I am able to receive the payment stream on the server side, now what if I want to return only new trisections from the time I start the stream? Is ...
2
votes
1answer
41 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....
1
vote
1answer
39 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, ...
3
votes
1answer
41 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
4
votes
1answer
28 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", ...
0
votes
1answer
30 views
Key pairs don't match?
Im building a bot that connects Stellar with Telegram but when I generate a new set of key pairs them don't match when I sign in stellarterm.
Here is the code:
var StellarSdk = require('stellar-sdk'...
2
votes
2answers
101 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....
3
votes
1answer
53 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
//...
1
vote
0answers
26 views
Error when trying to install stellar-sdk from npm, “LINK : fatal error LNK1181: cannot open input file 'C:\OpenSSL-Win64\lib\libe ay32.lib'”
Anyone know what this means or how to fix it?
I ran the command npm install --save stellar-sdk
and got this
LINK : fatal error LNK1181: cannot open input file 'C:\OpenSSL-Win64\lib\libe
ay32.lib' [...
2
votes
2answers
69 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 ...
2
votes
1answer
38 views
How to find cursor of a specific timestamp?
I need to find what's the coursor of a specific timestamp for let my users see theirs transactions by date.
There are any function in SDK or any endpoint on horizon server?
3
votes
1answer
37 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 ...
2
votes
2answers
104 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 ...
2
votes
1answer
58 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 ...
1
vote
2answers
77 views
using stellar-sdk in angular
Anybody here who had been successful in using the stellar-sdk in angular without any error?
I am getting - cannot read property crc16xmodem error - anybody encountered this before?
7
votes
1answer
127 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 ...
3
votes
1answer
28 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 ...
2
votes
2answers
48 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 ...
2
votes
2answers
73 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 ...
-2
votes
1answer
158 views
TX_BAD_AUTH, no idea why
i'm moving from testnet to pubnet but for some reason my code didn't work with pubnet.
here some snippet.
Of course sourceAccount,des.publicKey and sourceKeys contain what i'm expeting.
sourceAccount ...
2
votes
1answer
36 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 ...
2
votes
1answer
72 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
46 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
92 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
323 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
100 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
62 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
1answer
146 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
118 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
139 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
115 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
41 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
50 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
51 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
140 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, ...
3
votes
2answers
169 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
29 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
42 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
112 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
279 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 = '...
4
votes
3answers
390 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
210 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
262 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 ...
