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Questions tagged [stellar-sdk]

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

2
votes
1answer
17 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/...
4
votes
1answer
23 views

Understanding the flow of stellar with federation server

I have read the guides, check on other places, And I'm still confused about how federation works. Lets say I monitor for deposits from our clients. We generate a unique ID (as a memo) and tell them ...
-2
votes
0answers
15 views

How to get the exchange amount of 100 USD in ETH? [closed]

What is the best way to display a product price of 100 USD in ETH, which upon clicking on a buy button should result in a respective path payment. Option 1: query horizonServer.trades().forAssetPair(...
-1
votes
0answers
9 views

how to close a stream event in java sdk? [migrated]

i've used stream to listen a transaction and i want to close it when I receive the even: server.transactions().stream { if(it.hash == myHash){ //TODO close stream here } }
2
votes
1answer
41 views

Force transaction to be with memo ID

Because we are exchange we use main account and we generate Id number as a memo that we send to the customer so we will know the transaction was from him. we want to force the customer to add the memo ...
0
votes
1answer
37 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 ...
1
vote
1answer
22 views

Getting error “XDR Write Error: undefined is not a Hyper” when trying to create XDR for custom operation

I am trying to run a forked version of the Stellar-Laboratory, I have forked the js-stellar-base and js-stellar-sdk accordingly, basically what I am trying to do is add a new operation on the ...
0
votes
2answers
37 views

How can i get the base reserve for stellar?

currently in ripple when i need to check how much is the minimum required to keep account valid there is a property called reserve base XRP is there something similar in stellar? because to write hard ...
3
votes
1answer
23 views

Extra 0 byte at end of MemoText String

I extracted a TransactionEnvelope XDR several months ago for testing. It parses fine in the lab and the SDKs. I've tried parsing it by hand and there's something I don't understand. After the ...
0
votes
2answers
37 views

monitoring stellar

As I understand, stellar block-chain is actually the ledgers using the previous hash to connect to its prev ledgers down to genesis ledger. my question is: how can i monitor the ledgers in order to ...
0
votes
1answer
20 views

Multi-Sign Withdraw payment

How do you withdraw funds from a multi-sig account?
1
vote
1answer
36 views

Not able to sign the transaction

I have created one multisig account with two co-signers. After that, I initiated two transactions back to back without signing using co-signers. Tx1 10XLM – pending and Tx2 10XLM – pending. Now, I ...
0
votes
1answer
30 views

Multi-sign transaction is not working

I am creating a multi-sign transaction. When I am submitting the transaction to Stellar, response.isSuccess() returns false. Could anyone tell me where I am going wrong? link https://www.stellar.org/...
0
votes
1answer
29 views

Canceling the transaction

I am new to stellar transaction. I have created the transaction for 10 XLM from A to B. Now I want to do cancel or approve from client side. for approve, working. for cancel, i don't have idea. how to ...
0
votes
1answer
54 views

transaction is not submitting on stellar network!

load account is working fine and giving details of accounts means horizon is giving response but on transaction submitting getting error. local node setup done using docker image of stellar code ...
1
vote
1answer
29 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
1answer
38 views

Sharing transaction to more than one co- signers to get sign

I am very new to stellar. I have gone through the documents available in stellar offical website. In my scenario, trying to send the transaction to more than co-signers to get signature. wrote code ...
2
votes
1answer
57 views

How to decode stellar XDR

I am working on stellar blockchain and need to decode stellar XDR which is in GO language. I know how to decode using JavaScript but couldn't find a way to do it in GO. //JS code const {Transaction} ...
0
votes
1answer
67 views

Why stellar required XLM to activate account

I am using stellar for custom token. And each time a customer creating a account on stellar they required 1 XLM to activate there account. We are using custom coins only so why should be activate ...
0
votes
1answer
19 views

Time-based wallet in Laboratory

I want to build a time-locked token with certain funding target to be used for crowdfunding. I have found the code for creating time bounds in javascript but I am unable to find the UI of Stellar ...
3
votes
1answer
68 views

How to check total supply of a trust-line based asset on the Stellar network?

How to know the total supply or the coins in circulation right now? Like in Ethereum we can check it with a predefined ERC20 function.
1
vote
0answers
22 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 ...
0
votes
1answer
60 views

Minimum account balance Changed?

The base_reserve_in_stroops says 5,000,000 (0.05 XLM) in the following URL. This is a recent ledger entry. Does this mean it only takes 0.1 XLM (2 * 0.5 XLM) to create an account now? https://horizon....
1
vote
3answers
38 views

Stellar all address has no data

Hi i was using stellar test account. It was working fine but suddenly showing no data in any related account to a asset issuer. is there any limit for using test network ? I have created a issuer and ...
4
votes
0answers
55 views

How can I do asymmetric encryption and decryption?

How can I do asymmetric encryption by using Stellar's private key of sender and Stellar's public key of receiver and vice-versa in case of case decryption? I had gone through many methods but I am ...
3
votes
1answer
43 views

Stellar Java SDK: Retrieve Account Data

I can see how to add data to an account using ManageDataOperation. But is there a way to retrieve the same data using the Java SDK? I fund a JS example: https://www.reddit.com/r/Stellar/comments/...
1
vote
2answers
63 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, ...
2
votes
1answer
74 views

Error while transaction submission in the private network

So I am trying to do a transaction in the private network, I have named it standalone, I am using SSL. I started the network using docker, then created a keypair, then in another terminal ran node to ...
4
votes
2answers
144 views

How to Build transaction XDR before sign it

I want to build a transaction and convert that as XDR before sign that transaction. As i found we need to build adn sign the transaction before convert that as XDR specially in java and GO SDK. Is ...
3
votes
3answers
258 views

How to let users decide between transactions

I am building an API that will send out signed transactions to users and allow them to submit the transactions themselves. I am attempting to send a user three different transactions however I would ...
2
votes
2answers
130 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
50 views

How to use the Stellar SDK API Reference?

I am trying to understand how the API reference is meant to be used. For example I want to see how to set up a trust line for an account using the changeTrust() operation. I went to the API ...
2
votes
2answers
104 views

create a stellar application without installing stellar core in local system

I want to create a stellar application which will have these functionality Account creation XLM Balance checking Doing Transaction XLM Receive notification I have read stellar documenation https://...
3
votes
1answer
82 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
45 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' [...
0
votes
3answers
179 views

Muliti Signature with hash(x) in goLang SDK

I have a stellar account say "ACCOUNT1" with the following attributes: MasterWeight = 2 Threshold [ 1, 2, 3] Signers: Masterkey with weight 2 ed25519_public_key with weight 1 (say ACCOUNT2) ...
5
votes
2answers
51 views

Testnet vs Livenet addresses

Whats the difference between testnet and livenet addresses ? Similar to bitcoin does stellar has different address scheme for testnet ?
2
votes
2answers
283 views

Check wallet balance via API

How could I check Stellar wallet balance using API? For example with BTC one can check address in block explorer and see the balance. I also need to differentiate incoming transactions by MEMO. I ...
2
votes
1answer
81 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 ...
2
votes
2answers
50 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 ...
1
vote
2answers
59 views

How do I generate an xPub using stellar SDK?

How do I generate an xPub using stellar SDK ? could anyone show me the format of a stellar extended public key ?
2
votes
3answers
178 views

How to check Trustline Authorized Flag?

I need to check if an account trustline is authorized or not (before payment) Eg: this account https://horizon-testnet.stellar.org/accounts/GDT43XDX4VP7JPJUXRZO7JJH4PHJRCXYFPJA5PJPQC4MLLTF6PEEY5JU ...
2
votes
1answer
176 views

Stellar: How to pay the account using custom asset?

I've created accountA with a custom asset code ASTRO and trust by issuing account(AA). Next, I created another accountB with asset ASTRO trust by issuing account(AA). Now, when I tried to create a ...
-3
votes
1answer
211 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
163 views

How to setup time bounds for an escrow account?

I am trying to create 2-Party Multisignature Escrow Account with Time Lock & Recovery as in this ref:https://www.stellar.org/developers/guides/walkthroughs/stellar-smart-contracts.html Now, I ...
2
votes
1answer
243 views

TX_BAD_AUTH_EXTRA at submiting a transaction

I'm getting an error at trying to issue an asset following this schema: (issuer) An issuer account (Nano ledger) that will create and send the asset to a secondary account. (bhMain) Secondary account ...
1
vote
1answer
231 views

How to obtain our token's current price

We issued a token on Stellar using stellar API. We need to show the price of our token on our website. How we can do that? Is this available using Stellar API?
3
votes
1answer
107 views

Monitor transactions of non-native asset

is there a convenient way to monitor all transactions/payments/operations of a custom asset? It seems like the REST API only allows this for either one account or the whole network, but not for a ...
4
votes
1answer
105 views

How to build and sign transactions without SDKs?

Following on the keypair generation thread, I am working on SDKs for different languages and I would like to build, sign and submit transactions so my question is what are the steps to do so? Let's ...
6
votes
1answer
111 views

Is there a speed difference between the SDKs?

The JavaScript Stellar SDK facilitates integration with the Stellar Horizon API server and submission of Stellar transactions, either on Node.js or in the browser. It has two main uses: querying ...