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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Cannot initialize S3 history archive - unable to locate credentials

I am trying to initialize an S3 bucket as history for stellar core using this command: stellar-core new-hist s3 this is my [history.s3] config: [HISTORY.s3] get="aws s3 cp s3://mybucket/history/{...
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Liquidity Pool Deposit Operation Min/Max Price?

Does anyone know what the Min/Max Price parameters on the Liquidity Pool Deposit operation do at a conceptual level? https://developers.stellar.org/docs/start/list-of-operations/#liquidity-pool-...
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Running stellar testnet node locally

could you help me? We have testnet node on our server and it was synced, but a couple days ago core stopped sync, i try to run its with stellar-docker-quick-start, but its doesnt work. Error from core ...
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503: Still Ingesting forever after version 18.0.0 update

Previously, running the /ledgers/{id} endpoint on my local node (stellar-core v17.2.0; stellar-horizon v2.5.2) would return 404 after startup, but once I ran manualclose, I would get ledgers normally. ...
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Stellar ledger version vs protocol version

I setup a stellar local test net and I look at the stellar-core /info endpoint. I notice there are two version fields. info.ledger.version: 0 info.protocol_version: 17 Could someone shed a light on ...
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How can Stellar timestamps be manipulated, and how accurate are they in practice?

Stellar can be used for Trusted timestamping via e.g. the STELLARAPI.IO. As described here at How are timestamps deemed invalid? it seems that the code enforces two checks on timestamps: monotonicity:...
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How to reserve a transaction sequence number?

I have a multisig account and need to initiate a transaction for set option operation. So prepared a transaction which will be expired in 7 days and within this time all (3 out 3 signers) has to sign ...
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Performance issues ingesting historical data with stellar-horizon

We are trying to setup a captive core with Horizon API server with historical data as far as block 28960000 (since our token got used since then). Installation and initial sync went smooth but ...
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Timeout when submitting tx to the blockchain

I have running stellar core and stellar horizon together. Sometimes (recently even more) I am receiving such a response when trying to push tx to the blockchain. How could I approach this issue or ...
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How to ICO for tokens based on Stellar blockchain?

How an ICO can be initiated? Shall we write a smart contract for it like in ETH network? We want to have the following parameters on our ICO: Token rate, hard/soft cap tokens, start/end date, minimum ...
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Captive mode doesn't work

stellar-core: 17.3.1-666.97aeb24.focal stellar-horizon: 2.7.0-133 https://developers.stellar.org/docs/run-api-server/migrating/ I'm use private network with 3 nodes and try migrate. If I disable ...
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How to stop evergrowing disk usage by Stellar node

Disk usage is growing steadily and we cannot find the solution. There are two questions from about 2-3 years ago: Stop Horizon/Stellar node growing disk usage Pruning and keeping disk usage low But in ...
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The question about when trying to submit transaction with high sequence

I have a question about submitting transactions with high sequence. Say Account 'A' has a sequence of 100. When I tried to made a raw transaction with signing and submitted from account A with ...
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Linking 3 Validator nodes - Javascript SDK

I'm attempting to ling 3 validator nodes - with the objective of becoming a Full Validator. I'm performing this operation based on the Link Validator requirements as described on https://github.com/...
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I wanna my private blockchain network with stellar

I wanna my private blockchain network with stellar but it's not working here is my configure # What port stellar-core listens for commands on. This is for Horizon server. HTTP_PORT=11626 ...
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Kubernetes, specify network and health check

I'm trying to run Stellar in Kubernetes. Initially I'm working with the quickstart (stellar/quickstart:latest). The problem I'm facing is, when specifying the network via an explicit command and args ...
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Is there a browser-based client-side version of freighter-api?

Is there a browser-based client-side version of freighter-api, so it can be used without installing on the server? For example, web3.min_1.36.js can be used as a script tag in an HTML file that is run ...
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Difficulty installing stellar-quickstart on Ubuntu 20.04 LTS

As the title suggests I'm having some difficulty installing stellar-quickstart via packages. my system details: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: ...
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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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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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1answer
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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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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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1answer
23 views

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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1answer
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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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74 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
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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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