Questions tagged [javascript-sdk]

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

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33 views

Stellar a viable long-term solution to use on my site?

I just stumbled across Stellar today and it looks very promising. I'm working on a new personal project idea and was searching for a way to build a Venmo-like feature into my app when I discovered ...
2
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1answer
57 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 ...
2
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1answer
57 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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0answers
21 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 = '...
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13 views

Error importing stellar-sdk into angular 8 project

We're trying to develop an app to interact with Horizon Stellar Server. We are new in the area and we¿re trying to Angular 8 and Ionic 4, but we havent been able to import the js-stellar-sdk ...
4
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4answers
347 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
2
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2answers
26 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/...
0
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1answer
20 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),...
1
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1answer
32 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 ...
1
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1answer
47 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:...
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2answers
68 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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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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2answers
272 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 (...
3
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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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0answers
84 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
69 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
40 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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4answers
69 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
77 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. ...
0
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1answer
106 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
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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3answers
170 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 ...
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2answers
74 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, ...
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1answer
38 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 ...
3
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1answer
54 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
88 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 ...
2
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1answer
276 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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0answers
75 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' [...
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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
290 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 ...
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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
100 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....
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", ...
5
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3answers
600 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
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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
8
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3answers
218 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 ...
0
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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'...
1
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1answer
133 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
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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 ...
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
273 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
179 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 //...
2
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2answers
113 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
75 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?
2
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2answers
214 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 ...
3
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2answers
58 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 ...
2
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1answer
127 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 ...