Questions tagged [javascript-sdk]

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

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How i can use Stellar to do transation system?

I am creating an international donor transfer site using physical money. I want to use STELLAR technology, but for now I'm researching how to do this with the APIs of these platforms. Can someone help ...
2
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2answers
25 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/...
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1answer
19 views

Friendbot bad request (400) invalid_field: “addr”

I am trying to create an account on the stellar Test Network. But whenever I make a request and pass in the public key, I always get this error: I am using the Javascript documentation from here
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1answer
25 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 ...
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1answer
31 views

How to generate public key using SDK in salesforce?

I want to integrate stellar with a Salesforce application. and I am stuck at generating a public key and secret key. I am a little confused regarding SDKs, how can I use an SDK in the apex? Can I ...
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74 views

Select failed: pq: relation “signers” does not exist

I have set up private Stellar Core and Horizon with 2 nodes. I am following this tutorial. I am first creating an account and then I am executing the code below. It is showing select failed: pq: ...
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2answers
29 views

error when trying to use stellar-hd-wallet (Node.js)

Hi we are tying to use the node.js version of the stellar-hd-wallet in ionic-angular. However, calling the StellarHDWallet.generateMnemonic() gives the following error: ERROR in ./node_modules/...
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1answer
66 views

Paying with Custom Tokens

UPDATE: I removed the quotes from BPTOKEN. That was a mistake. I had them removed in the real code but cut and pasted a change before this happened. It has been corrected and the error included. ...
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1answer
34 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-...
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1answer
49 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 ...
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4answers
68 views

Example code on Ubuntu+node.js gives error re “await”

Updated: added full code below. I'm trying to run the "Creating a payment transaction" example but the error I get is const account = await server.loadAccount(sourcePublicKey); ^^^^^...
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1answer
74 views

tx_bad_seq error when funding the account

I am trying to create a Stellar Standalone network using my own network passphrase. I m able to set up stellar-core and horizon in my private network and it is working fine, I m able to get the root ...
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1answer
22 views

How to catch specific error code on JS SDK connecting to horizon

I use Javascript SDK to connect to Horizon. It works, but I also would like the specific error if it doesn't work. See my code below. How can I access the specific code returned from horizon (e.g. ...
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1answer
90 views

Send payment issue

I am trying to send a payment on stellar testnet. I have already created both accounts using https://friendbot.stellar.org. So both account have a balance. When I am sending payment it is showing "...
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1answer
19 views

How do I just get specific fields when displaying transactions for a given account?

I'm using the Javascript SDK. My objective is to get the last 10 transactions for a given account (which is working), but just show specific fields (such as the amount of lumens, and perhaps the memo),...
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1answer
63 views

How to extract transaction hash out of XDR using Java Script?

iam having an XDR i want to know the transaction hash before i submit that to stellar. i did this in GO by unmarshal the XDR and used the builder to retrieve the hash. Is there nay way that i can do ...
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1answer
44 views

Error “missing path” while running 'gulp test' in js-stellar-base

I cloned the js-stellar-base and then ran 'gulp test' and it returned the following error: Using gulpfile /mnt/c/Users/Debchakra/Desktop/js-stellar-base/gulpfile.js [00:01:03] Starting 'test'... [00:...
3
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1answer
53 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 ...
2
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1answer
85 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 ...
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1answer
36 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 ...
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1answer
45 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 ...
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2answers
66 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 ...
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0answers
25 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
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1answer
257 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
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1answer
264 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 ...
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2answers
47 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 ...
3
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1answer
96 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....
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2answers
71 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, ...
4
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1answer
69 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
5
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1answer
35 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", ...
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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
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2answers
251 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
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1answer
168 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 //...
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0answers
71 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
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2answers
110 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
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1answer
66 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
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1answer
43 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
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2answers
201 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
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1answer
121 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 ...
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2answers
122 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
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1answer
212 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
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1answer
35 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 ...
3
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2answers
56 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
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2answers
89 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 ...
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1answer
413 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
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1answer
38 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
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1answer
93 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
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1answer
53 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
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1answer
116 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
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1answer
642 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.