Questions tagged [stellar-sdk]

For questions regarding a Software Development Kit (SDK) for Stellar client applications.

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How to load initial lumen into accounts programmatically

I'm quite new to stellar and have been reading through the documentation, suppose I want to create an app that allows users to send money across borders, as they are signing up I would have to create ...
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1answer
14 views

Using Stellar SDK and account on Ledger

Perhaps what I am trying to do is not possible, but here is what my goal is: I want to transfer XML stored on my ledger device to another account using Stellar SDK. I have the 24 worked mneumonic, was ...
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How i can develop NTF on Stellar Smart contact?

I want to develop a token smart contract on stellar and NFT on stellar smart contract. Can you pls help to find the process to develop this
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10 views

Create claimable balance stellar operation, claimant.predicate

How to make sdk.claimant.predicate call with json object.something like this => {"_destination": "destination", "_predicate":{"and":[{"or":[{"...
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10 views

call to stellar Expert using javascript

So the situation is I am trying to fetch some accounts from https://api.stellar.expert using javascript but my request is returned with 403 error status which means it is rejected but when I hit the ...
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9 views

Remittances SEP-0031

I need help to set up our dev environment for remittances using SEP-0031. Here after loads of research and some tries, To be able to do setup things we tried setting up SEP-0031 Anchor server, which ...
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SEP-0031 Setting Up Dev Env

I need help to set up our dev environment for remittances using SEP-0031. To be able to do that we tried setting up SEP-0031 Anchor server, which we managed to do successfully, but now we are unable ...
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15 views

fees from custom tokens on the standalone network Stellar

Is it possible to write off a commission from custom tokens, during transactions, and not from xml, in a standalone network Stellar.
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86 views

Error: tx_not_supported

It is developing code for sending transaction on the mainnet using stellar-sdk. A tx_not_supported error occurs during submitTransaction(). The network upgrade command(stellar-core http-command '...
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1answer
35 views

Are lumens required for a custom network?

New to Stellar so forgive me if this is not the smartest question, but are real lumens still required on a custom network? I would like to use the stellar blockchain for "transaction" ...
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12 views

SEP 30 Implementation Queries/issues

SEP30 still in draft hence we looking to implement it. while implementing this there are some issues/queries which i need help. 1.Register account (POST /accounts/<address>) : Here the <...
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Transfer XLM from Stellar Expert account to Nano Ledger wallet? [duplicate]

I tried using the staking opportunity and ended up transferring XLM from my Nano Ledger wallet to a Stellar Expert account. How do I transfer the XLM back to my Nano Ledger wallet?
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27 views

Could not connect to stellar testnet using stellar testnet url

I tried getting balance of my stellar account after generating key pairs using the following code: const server = new StellarSdk.Server("https://horizon-testnet.stellar.org"); // the JS SDK ...
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Using Angular 7 and having cannot read property useTestNetwork

import * as StellarSdk from ‘stellar-sdk/dist/stellar-sdk.min.js’ In my constructor I have: This.stellarServer =new StellarSdk.Server(‘https://horizon-test net.stellar.org’); StellarSdk.Network....
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41 views

How to set up a anchor on stellar?

As I working on stellar Blockchain, can anyone guide me on how to create an anchor on stellar? and How it will give a withdraw amount in fiat currency & which protocol is it used to convert ...
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1answer
9 views

Continuous Status 504

I have been developing a Multi-sig based project and keeps on getting the 504 status so many times when making transaction. I have checked out the testnet staus of Horizon network as well and it seems ...
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12 views

SEP-10 Authentication Sample

I've read the documentation about the SEP-10 Authentication Protocol of the network but is kinda overwhelming for me. Do have any available code snippets for the said process able to study thoroughly. ...
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1answer
23 views

can not delete create passive sell offer

in stellar docs (https://developers.stellar.org/docs/start/list-of-operations/#create-passive-sell-offer) Amount of selling being sold. Set to 0 if you want to delete an existing offer. if I set ...
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25 views

Cannot install via npm for node on Windows

I'm trying to download the stellar SDK for my angular project but the npm install fails.
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15 views

ClaimClaimableBalance

I written one java code which for ClaimClaimableBalanceOperation but after submitting the transaction it returns nothing, only null even not error code. I have created the accounts and Claim on ...
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10 views

Document did not contain stellar_address

I'm a Stellar beginner trying to validate an account I just created as follows: val server = FederationServer("https://horizon-testnet.stellar.org") val keyPair = KeyPair.random for { ...
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5 views

CreateAccount stopped working on GO Client SDK on latest version

I have the following code that used to work: client := n.getClient() // get the account details for master account masterKey := keypair.Master(n.passphrase) ar := horizonclient....
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12 views

stellar-sdk.js:9457 POST https://horizon-testnet.stellar.org/transactions 400 (Bad Request)

whenever I run this HTML page <!Doctype html> <html> <head> <script src="https://cdnjs.cloudflare.com/ajax/libs/stellar-sdk/0.11.0/stellar-sdk.js"></script>...
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const pair = StellarSdk.Keypair.random(); ^ ReferenceError: StellarSdk is not defined

when ever i try to run this code // create a completely new and unique pair of keys // see more about KeyPair objects: https://stellar.github.io/js-stellar-sdk/Keypair.html const pair = StellarSdk....
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40 views

How to add memo to transaction?

I want to create a transaction with a memo, but i keep getting error this.memo.toXDRObject is not a function at TransactionBuilder.build code: let fee = await get_mining_fee(); const txOpts =...
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39 views

xdrlib.Error: value=-915689825 not in enum ClaimableBalanceIDType, when I try to claim the created balance

so I'm trying to implement claimable_balances example using the python-sdk, I'm able to use append_create_claimable_balance_op and create a claimable balance from the sponsor's account. but I don't ...
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56 views

Is digital bank with Stellar possible?

Consider a digital bank with multi-currency deposits of crypto tokens (mirroring fiat), token exchange, transactions and digital wallets. The bank should charge configurable transaction fees with the ...
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25 views

How to allow the trustor(account) to trust the asset I created

I want to make a account (public key) to trust a asset I issue myself. When I run an allowTrust operation, snippet below, I get op_no_trustline error : const issuingAccount = await ...
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37 views

Error when django-polaris installation

When I try to install django-polaris using the command pip install django-polaris it thrown an error Could not find a version that satisfies the requirement django-polaris (from versions: ) No ...
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16 views

Is there a “Bond” between “Price” and “Amount” parameters in an “Sell/Buy Offer”

when creating an (Sell/Buy Offer), the Docs. says we have to specify the (Price) as a pair of {numerator, denominator} values, https://developers.stellar.org/docs/start/list-of-operations/#manage-buy-...
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1answer
22 views

How can I access the Horizon:Error Response after raising error in code

After an error raised during a Transaction submission with server.submit_transaction() how can I access the corresponding (Horizon Response JSON object) https://developers.stellar.org/api/errors/...
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2answers
52 views

How to prevent programmatic Stellar account creation

I've created an app that includes a Stellar account creation as part of he sign up process. Someone is problematically creating accounts, which keeps draining my distribution account that I use to ...
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15 views

XLM support from Stellar for my app

I've built an app call Picl: Playstore link: https://t.co/RUW0VnaJqD?amp=1 A stellar account is created for each user upon sign up. However, I need to fund each account, which isn't free for me. Is ...
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23 views

Wonder why “Custom Asset” [Paymeny] flow, doesn't affect the “Balance” of the “Paying Account” (Sender)?

Hopefuly things are going fine with ya'll. I've created a [Custom Asset] asset_code="FAZ"(Alphanum_4) by set of Accounts (Source,Issuer,Distributor,Consumer) on Stellar Test-Net. Set [...
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33 views

Do I need to create and back my own USD token, or are there more distributed approaches to bring USD into my Stellar based app?

I'm transitioning my purely XLM based app to having USD as a deposit, exchange or withdrawal option. Once the USD is deposited, I'll issue a USD token to track that value. How should the exchange on ...
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3 views

Stellar Bifrost Stuck at 70% of completing transaction

The bifrost-server console log shows this. INFO[2020-06-27T19:34:50-06:00] starting request host="localhost:8002" ip="[::1]:56523" method=GET path=&...
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1answer
12 views

Stellar Bifrost JS SDK Getting error says params.recoveryPublicKey is invalid

As per the instructions I modified the example.html file from https://github.com/stellar-deprecated/bifrost-js-sdk I set the params as follows: var params = { network: 'test', horizonURL: '...
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406 : “not applicable” when trying to stream DEX offers

I am trying to stream my dex offers, but I keep getting 406 : not applicable To Reproduce // "stellar-sdk": "^5.0.2", let StellarSdk = require('stellar-sdk') let server = new StellarSdk.Server('...
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1answer
40 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, ...
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1answer
61 views

How can I view transactions within a specific date range?

Is there any solution for filtering transactions by date? Scenario: I wanna fetch transactions for a specific account in a specific range of date like 2020/04/04 to 2020/05/04 I looked for it a lot in ...
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41 views

How do i build a fiat payment processor(Gateway) on stellar

I want to develop a payment gateway that can be integrated into online stores, merchants can seamlessly receive payments directly to their bank account. I want to build all the features on stellar. ...
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1answer
75 views

Error tx_bad_seq, is it just about the sequence number?

I have a problem broadcasting a transaction for stellar. It ends and gives me the error tx_bad_seq. The thing is I have checked and rechecked the account sequence number multiple times. I feed in the ...
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3k views

All files must be modules when the '--isolatedModules' flag is provided

Describe the problem This problem appears when I want to participate in development , I clone the project javascript stellar-sdk then run npm install What version are you on? 4.1.0 To Reproduce ...
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1answer
39 views

Unsuccesfully creating public aaccount using FriendBot funded account

I run a validator node on the public network for which I need to create an account. Hence, I started by creating a Stellar account in the test network as described here. So far so good. As per my ...
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2answers
53 views

How to get the transaction payment amount in .NET Stellar API?

I have C# source code like this: Server server = new Server("https://horizon-testnet.stellar.org"); var GetTranHistory = server.Operations.ForAccount("...
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18 views

Android Stellar SDK throwing NullPointerException on KeyStore.aliases() in Crashlytics reports

Crashlytics report for my android app shows that a considerable number of my users are getting the following null pointer exception. Most of my users who get this error are on Android 6. It happens ...
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1answer
38 views

Payment Deducted from channel account and not from source account

I am trying to implement the concept of channels in my stellar project. I have refered https://www.stellar.org/developers/guides/channels.html this link. As it is said that, the source account of the ...
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1answer
27 views

What is the difference between watcher Node and Basic Validator Node

Can anyone explain what is the difference between watcher and basic validator node .
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2answers
54 views

stellar payment tx_bad_seq error

I am using stellar sdk to send payments from one account to another. When i send payment one by one , there is no error . everything works fine. However when i try to send payments in batch i get ...
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1answer
46 views

How to submit a signed transaction that has been XDR enveloped?

Hi I was working with Stellar on Javascript for offline signing and to keep the QR code after signing short I enveloped the transaction and converted it to XDR. Using, const signedTx = await ...