All Questions

I want to have in my node information only about last 300 000 ledgers.Should I always manually clean DB or I can automate it.Especially interested in autocleaning of Horizon DB.

I want to integrate stellar with salesforce application. and I am stuck in generating Public key and secret key. I am a little confused regarding SDK, how can I use SDK in the apex? Can I store in ...

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: ...

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/...

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 ...

What is op_cross_self error? I can create offers for 2 Assets ( selling and buying ). But when creating a reverse offer for same asset, it's throwing : { transaction: 'tx_failed', operations: [ '...

I need to retrieve some transactions from a specific account and then read the memo. I've tried a couple of different methods with no success. My first attempt was as below, but I get odd looking memo ...

The SCC (Stellar Core Commander) is a tool used to generate a "state" for Horizon's tests. When I run it against an .rb script, it generates a single .sql file - essentially a 'pg_dump' of the sql ...

Stellar's utility ("Stellar_Core_Commander") is a tool used to deterministically create snapshots of the SQL DB by running a set of stellar operations. Its written in ruby. To run it, you need to ...

This is my code for transaction history: @RequestMapping(value = EmpRestURIConstants.TRANS_HIS, method = RequestMethod.POST) public @ResponseBody TransactionsRequestBuilder transactionHistory(@...

I don't understand how network upgrade work. When I call the endpoint /upgrades?mode=set&upgradetime=2019-04-13T20:23:55Z&basefee=1000000&basereserve=1&protocolversion=10 Will the ...

I am getting the following Exception while performing send transaction using the Java Stellar SDK. This is my send transaction code: import org.stellar.sdk.AssetTypeNative; import org.stellar.sdk....

So I was going from this nebula package config for AWS that was created, but I was trying to POC what the prod version of the configs for this would look like. I am not that verbose with YAML and am ...

I have a similar question to this but it remains unanswered and there is no documentation to be found when it comes to running a stable and resilient production network. Setup I am working on a ...

My stellar.toml file is active, and I am wondering if I can format the strings with some HTML so they display better on sites like stellar.export or stellarport.io. My description of the asset is ...

I have a 3 nodes running on a private network paraphrase and all of them are validators. Able to send the transactions over horizon. Now, can I connect my quorum of 3 validators with test-network ? ...

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. ...

I'm trying to send Stellar to my ledger nano through the stellar site. I've done everything iv'e read online. The only thing that is different is that everyone says to allow browser support on my ...

According to the stellar docs Sequence number The current transaction sequence number of the account. This number starts equal to the ledger number at which the account was created This does ...

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 ...

I am having an intermittent issue with the transaction listener for the Java Stellar SDK. Below is my implementation (listener within a method in my Main Activity), and following this is the error ...

I want to create custom token for my system but it seems that I can not create a wallet unless I fund it with 1 XLM? Is it true? If not why my wallet is not being created? Thanks

I know Stellar provides LiveNet too. My question from those who are using for their production apps, is it reliable enough or you suggest otherwise?

Or must I set up according to the Administration documentation then follow the steps on configuring a bridge server, federation server, etc. As the documentation steps in becoming an anchor seems to ...

I need to store archive in aws s3 bucket. My Node configuration is: LOG_FILE_PATH="/home/ubuntu/04.04.2019/Node1/my-core/logs" BUCKET_DIR_PATH="/home/ubuntu/04.04.2019/Node1/my-core/buckets" ...

Using stellar-quickstart, I am able to install, then start and sync stellar-core. However, my attempts to install stellar-horizon fail with the following message: Package stellar-horizon-postgres ...

I am new to stellar. I want to add a data to my stellar account as a key value pair. As in "Name"(Key) - "John"(Value). How can I achieve this? Pointing me to a sample code would be really ...

The inflation pool is (number of lumens in existence)*(weekly inflation rate) + fee pool. And I know that I need to have more than 0.05% of existing Lumens to receive inflation without joining ...

https://horizon.stellar.org/ returns history_latest_ledger and core_latest_ledger. Which field should be used to get the current block number? Which one is more reliable? Diffs? I assume ...

We need users to send our tokens (TKS) and have transaction fee paid with TKS, without worrying about getting native currency for tx fee. Is this possible on Stellar?

Is it based on daily average of just a snapshot of Monday 11:59 UTC

I tried reading the documentations but didn't see any sample code regarding utilizing DEX in a standalone/private network. Any advice? Would like to simulate sending fiat currency from account A, and ...

I was exploring on fed servers and understood that They are servers which host Stellar.toml file on their /.well-known/stellar.toml path This server keeps the binding of selected username and Stellar ...

I am confusing about operation id. Is it unique within the network or within a transaction? In other words, will it be enough to store only OperationId in DB or should the Primary Key be a complex (...

OK, I have reviewed both of the Stellar.org created documents on creating Custom Assets/Tokens, then I looked at two third party documents. The third party documents are much much better than ...

I tried to scale Stellar Standalone to process 4000 tx per second. I use AWS EC2 m4.large for Core, and Horizon. Also I use Postgres RDS for core and Horrizon, but I have only 560 tx per second. My ...

We are running a Stellar bridge server and of late, It some times returns internal_server_error but then the transactions go through later. This has caused issues in that some clients send the same ...

Hoping for a simple scenario following This thread: 1) Creating wallets from master accounts 2) Funding the escrow wallet 3) Giving the lock - in time bound period 4) Releasing the amount locked ...

Must be getting brain fried, but trying to get DICT data from the 'envelope_xdr' XDR blob that is stored in the transaction using the Stellar_Base Python library. My code is: from stellar_base....

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 ...

I have already set StellarSdk.Network.use(new StellarSdk.Network('Standalone Network ; February 2017')); let stellarServer = new StellarSdk.Server('http://localhost:8000', {allowHttp: true}); and ...

Forgive me if it sounds stupid but I really have to understand.. In my example, we are creating a stable coin on Stellar and the Compliance Protocol seems perfect for transactions between my company ...

Can a memo be included in the managerOffer operation. I tried to include a memo in my manageoffer transaction but it did not go thru.

I'm maintaining a network of Stellar nodes with quite a lot of traffic, for quite some time now (almost half a year). Everything has been quite stable so far, but last week I noticed that all the core ...

I am using the python py-stellar-base to create a new offer operation. To manage the offer in the future I want to be able to retrieve the created offer_id from the completed transaction. builder....

{ "type": "https://stellar.org/horizon-errors/https://stellar.org/horizon-errors/transaction_failed", "title": "Transaction Failed", "status": 400, "detail": "The transaction failed when ...

I have set up a private network. I am writing history archive in local server as of now since it is in dev phase. I have noticed that the archive is missing few ledger/bucket as a result of which if ...

Is it possible to dynamically set / configure validators in a Quorum set? For example I have a Quorum set of 4 nodes say - {A,B,C,D}. Which have equal slice or equal participation. Now, if we would ...

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?

I run stellar-core on CentOS7. When I run by using command line, everything is fine, and I can create account. However, when I run it on systemd, I always encounter timeout failure The user I ...