Questions tagged [stellar-core]

stellar-core is the backbone of the Stellar network. It maintains a local copy of the ledger, communicating and staying in sync with other instances of stellar-core on the network.

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Recent Stellar Transactions Per Second Test Data?

Most everything that I can find on Stellars transactions per second are from 2017 and 2018. Is any newer data available for the real world, tested Transaction rate? “It really depends on the hardware ...
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Running Multiple Stellar-core Instances on One Server

If your server quadruples the system requirements for running a Stellar-core node, can you run multiple instances of the software at the same time on one bare-metal machine? If you use a NVME or PCIE ...
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Error Connecting local Horizon to Stellar Core within Stellar Quickstart Docker Image

I am trying to test out some functionality with the Horizon API server. I have followed the directions listed out here Everything seems to be working fine, but when I get to the "Connect Horizon ...
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Catching Up Stellar Core Not Completed in a Long Time

I'm trying to run the stellar core and the horizon on my server using stellar/quickstart docker image. It's been a week since I started and it didn't synced. On the configuration file stellar-core.cfg,...
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Change Network Passphrase - Quickstart - Persistent - Docker

I am trying to change the network passphrase for stellar. I am using the quickstart docker image and launching in standalone mode. command: docker run --rm -it -p "8000:8000" -v "E:\...
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Account Recovery Key not Working [duplicate]

I see several others who believed in Stellar back in 2014 are unable to use the Stellar assigned recovery key. Please advise us how to recover our accounts. Thanks!
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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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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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When to use multiple nodes in a private network

I cannot understand when it is necessary to use several nodes, as I understand on two nodes the system will be more secure. Should I use multiple node in a private network Stellar?
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How do I set up a full validator on the test network

I am trying to learn about Stellar-core by configuring a full validator on the test network. Using sample configs and input from this post, my config looks like: BUCKET_DIR_PATH="/var/lib/stellar-...
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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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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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List of Anchors for Sep31 and SEP24?

Is there a list of anchors available that I can access to see if I'm interested in using any of them? It is proving rather tedious to find anchors through a google search. I am already making API ...
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captive core does not work

I want to use the captive core of stellar-horizon v2.0.0, but the following command does not work. Instance is building a new. As far as I read the docs, I don't think it will make http requests to ...
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Light client support for Stellar Core

Is there a light client already? If not does Stellar core support proofs to verify that a TX was executed and data persisted?
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catchup problem of the ledger in captive-core

I want to sync the block data and query all transaction data. When we execute the captive core server, It starts to download and catch up the ledger file by stellar-core automatically. The data is ...
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Problems when running on ClearOS7/Centos7

In order to get stellar-core running on ClearOS7 (binary compatible with Centos7), I have had to use postgresql from one of the SCLo repos (Special interest groups) as the normal Centos version of ...
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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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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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How to speed up database synchronization?

After stellar-core synchronization DB filling began. At a rate of approximately 1.5% per day ( It can affect database synchronization speed? Can it be possible to use a snapshot of the base? ==========...
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How to custom stellar-core.cfg on docker quick start?

I would like to change NETWORK_PASSPHRASE information in the stellar-core.cfg for my standalone network in order to get the new private seed for the genesis block. I managed to edit the file but when ...
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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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Stellar Private Network: Waiting for ledger to be available in stellar-core

I have launched Private Network by tutorial https://github.com/stellar/packages#sdf---packages and published full validators. I can't understand where my mistake and why I see ledger version = 0 ...
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How to set the price to my own new asset?

Good day I have created the my own new asset in stellar public network. I'd like to set the price to my asset. for example, it should be 50 USD. How to set the price to my asset? OR other methods? Any ...
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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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stellar-core return error: Segmentation fault (core dumped)

I installed stellar-core from stable repository. Stellar-core version 15.2.0. OS Ubuntu 18.04. I run command: stellar-core new-db --conf /etc/stellar/stellar-core.cfg Stellar-core returned error: ...
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Failed to parse 'stellar-core.cfg' Must specify a matching HOME_DOMAINS for self

I have setup the home doamin got node account. and specify the account in toml file but still getting the following error. "Got an exception: Failed to parse 'stellar-core.cfg' :Must specify a ...
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Been gone a while, can't find my XLM

It's been a few years since I bought onto Stellar, I thought I would check how things are going. Turns out all I can find is my account address (doesnt show up on stellar.expert), and a secret key. ...
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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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If the Hub Server ever went down

I would like to use Public Lumens in a Project I need to make for transactions. As I'd like the Lumens to have value outside my App. But at some point in the future horizon.stellar.org will go down or ...
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Is having hashes of document certificates in Stellar possible for tamper proof use case?

I have a application where I want to store a SHA256 hash of a document in a blockchain so that it remains immutable. I want it to have a good life, like storing the SHA256 hash as a data in a ...
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Stellar full sync

I want to have full stellar history, but I can't. Please tell me what am I doing wrong? I am trying to make full sync of Stellar test network. I have been trying to make several changes in the ...
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Private Network using Stelllar-core

I have launched Private Blockchain using latest stellar-core and add inflation also and whenever testing inflation using stellar-sdk then facing following issues:- result_codes: {​​ transaction: '...
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stellar-horizon db size

maybe someone could help me. I have a node with the config below: CATCHUP_RECENT=362880 # approximately 3 weeks (5sec per ledger closing) - stellar HISTORY_RETENTION_COUNT=362880 # ...
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Getting tx_not_supported on steller-core prod v1.15.0

I am getting tx_not_supported when submitting a transaction. I have compiled at stellar-core prod branch and launched a network. I am able to use the horizon and see the root account. However when ...
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stellar-core upgrade from version 12 to version 15.0.0

I am running a stellar private network with core version 12 and horizon version 20.0.1 Now I need to upgrade the core and horizon both from core version 12 to 15.0.0 and horizon 20.0.1 to 1.11.0 . In ...
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Email confirmation glitch

I've recently inquired about Stellar Lumens and decided to create an account. After going through the steps, the final step was an email verification link. I went to my email and clicked the link and ...
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it possible to impose another asset (non-native) as a transaction fees

I want to build a standalone application (on my own network). The objective is to exchange different types of assets. Here is my question my question. Is it possible to impose another asset (non-...
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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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966 views

Anchorusd trustworthy?

I recently decided to cash in my free lumens from last year on keybase So I looked into it and transferred my lumens to an anchorusd account using the anchorusd android app Keep in mind I have never ...
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What copyright notice should be included to the software built on Stellar?

If the Stellar core was forked and changed, and some software like digital wallet was built on top of the resulting private blockchain, what notices should be mandatorily included with this software (...
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How to configure native currency in a private network

I would like to know how we can configure the native currency in a private network? I would like: Change the name of the native currency Change the number of native currency created in the first ...
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1answer
28 views

How to fix a stuck stellar node after picking up an incorrect block?

I run two different watcher stellar nodes and they have both gotten stuck after picking up an invalid / incorrect block (i.e. the block hash of my node's top block does not match the block of the same ...
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Balance of Stellar at some point in time

I'd like to know about balance of Stellar address at some point in time. However, it's not going very well. So, please give me some advices or comments about how to do that. Now, I'm using horizon ...
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How can a node safely apply its externalized state while still allowing late commit messages?

Consider a case with Qset { N: 6, Threshold: 4}, 6 nodes and a threshold of 4. If a Node has received 4 commit confirmed messages for a ballot b then it is safe to act on it - as an example by ...
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How to regenerate Stellar Archives?

We are running a private stellar network and we are seeing missing archives files. Can the network regenerate the archive files? New nodes are not able to synch because of this.
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`tx_bad_auth` when submit transaction to TestNet

I submit a transaction to the TestNet by using the official horizon API (https://horizon-testnet.stellar.org/), and it returns tx_bad_auth. This is my code: Server server = new Server("...
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27 views

Genesis block/ledger on stellar-core

I am looking at how to generate the Genesis block/ledger on stellar-core. I have seen people suggest pre-populating the database, what is the easiest option for a newbie to stellar-core.
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What is the difference between SCP and FBA?

The Stellar white paper "presents federated Byzantine agreement (FBA), a model suitable for worldwide consensus." It then goes on to state that it "further presents the Stellar ...

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