Questions tagged [stellar-sdk]

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

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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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4 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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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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2 views

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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13 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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19 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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36 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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1answer
19 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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1answer
24 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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14 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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13 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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48 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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14 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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22 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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25 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
8 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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8 views

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
27 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
35 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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37 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
31 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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2k 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
26 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
39 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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16 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
24 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
25 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
48 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
26 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 ...
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1answer
67 views

Presign Buy order without knowing the right amount in advance

How it's possible to create a valid Manage Buy Offer in Transaction 5 of the crowdfunding example from the stellar smart contracts reference. The reference quotes: Manage Buy Offer: Holding ...
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1answer
42 views

Testing stellar anchor

I am in process of testing a build of stellar anchor. I am using https://gostellar.org/app/ for this. Everything goes well till the point where the transaction is submitted to the network. I get ...
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1answer
23 views

TypeError: sourceAsset.isNative is not a function when calling strictSendPaths

I am trying to call a payment strict send path: var server = new StellarSdk.Server("https://horizon.stellar.org", { allowHttp: false, appName: "Horizon", appVersion: "0.23" }); var ...
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1answer
24 views

Transferring among different assets under the same account

Lets say ive an account with 2 assets USD, GBP and native asset as well. Can i transfer between USD and GBP belonging to same account ? Is it possible
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1answer
34 views

what is the max number of operations per 1 transaction?

what is the max number of operations per 1 transaction? I cannot find the document related to this number from the official document. thanks
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69 views

stellar withdrawal -

I withdrew my stellar twice but it failed. Stellar charged me. How do I get the charges back and why can't stellar transfer coins to coinspot?
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1answer
102 views

How to use stellar path to send 1 USD worth of XLM from source account to destination account

I'm trying to create an application where I can charge a fixed amount of USD in XLM. I believe I can use path payment in order to accomplish this. But I'm not sure I understand what happens if I omit ...
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1answer
31 views

Inferring operationID from get transactions stream data

Currently, I am getting transaction detail from transaction stream using stellar sdk. So for getting the operation details the envelope XDR is decoded. But the operationID couldn't be retrieved from ...
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1answer
44 views

Can I change the Path of a Stellar history archive?

In stellar-core.cfg (stellar config file) we need to define a history configuration. The default setting is mkdir="mkdir -p /tmp/stellar-core/history/vs/{0}". Can I change this directory location, or ...
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1answer
158 views

How to create trustline between issuer's account and receivers accounts dynamically?

I am trying to create a trustline between issuer's account and receiver's account to send Custom Assets(token) I am following this link var StellarSdk = require('stellar-sdk'); StellarSdk.Network....
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2answers
86 views

How can I validate a stellar address in Python?

I am using python-sdk to perform stellar operations. Now I need to validate a stellar address. I know that the JS sdk has got a function StrKey.isValidEd25519PublicKey(address); however I cannot find ...
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42 views

Made few changes in stellar core file. Saved it but cannot see the changes in the new transactions i am performing

I have made certain changes in LedgerManagerImpl.cpp file under src-> ledger folder on line approx 68-72 const uint32_t LedgerManager::GENESIS_LEDGER_BASE_FEE = 50; const uint32_t LedgerManager::...
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1answer
156 views

Friendbot request fails with 400 (Bad Request)

I am trying to create an account on the stellar Test Network. I am using ASP .Net framework. But whenever I make a request and pass in the public key, I always get this error: Response status code ...
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1answer
219 views

Submit transaction in Node js Error 400

I initiated a small node js project in which I installed the sdk module in order to communicate with horizon and try out some things, I am following this page from the docs. However I getting an ...
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1answer
64 views

How to create an account on a private network?

I have already started a stellar private network. I need to generate an account on a stellar private network. I have a secret key and private key also. But I have a question about what should I enter ...
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1answer
78 views

Custom assets balance of sender is not updating in stellar

I know this questions is already asked, but the solution provided is not proper. So asking the question again. We created a custom assets with name FOC. when we send any FOC to any account, the ...
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1answer
58 views

How to decode Core DB Account.Signers using the stellar js-sdk

In the recent core v10.3, there is a new base64 encoded column in the accounts table in the core db which replaces the signers table in earlier core versions. How can I decode this column to produce a ...
2
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1answer
47 views

Can an account hold multiple assets?

Can an account hold multiple assets? If yes, how do transactions get recorded for each asset? If no, should we create multiple accounts, one for each asset?
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1answer
204 views

Creating a stellar account and activating it

Sorry for the newbie question... When a user subscribes to my service, I would like to: Create a new stellar account for the subscriber Seed it with 1.5 XLM (to activate it) Create a Trustline and ...
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1answer
71 views

(SOLVED) - Error when sending money (C++ QT SDK)

I had this working before (like a week ago) but now I am having issues with sending money to an account. I keep getting this error string "Error transferring https://horizon-testnet.stellar.org/...