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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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Expected 'curr' host dependency tree (in host-dep-tree-curr.txt) error

I have cloned latest version of stellar core from stellar github. To check how does cargo work for this latest release, just remove the cargo.lock and run cargo build command to generate the cargo....
Alex Smith's user avatar
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Getting Error while deploying contract at my private network

I have set up a private network of stellar-core version 20.2.0. As 20.2.0 version supports soroban smart contract platform, so can I deploy smart contract to my private network. I have tried the same ...
Alex Smith's user avatar
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Unable to uninstall soroban on Windows 11

How can you uninstall/remove soroban on Windows? I've tried npm uninstall -g @soroban/cli but that does not work.
David's user avatar
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Ledger ERROR TxSet mismatch: LCD wants [seq=2515401, hash=a0651e], LCL is [seq=2515401, hash=fb4318]

when starting Node after it failed to sync the ledger: [Ledger ERROR] TxSet mismatch: LCD wants [seq=2515401, hash=a0651e], LCL is [seq=2515401, hash=fb4318] [Ledger ERROR] It is possible that your ...
blockB's user avatar
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Calling contact with arguments

How can you call a contract method with arguments. It's sad that the docs only focus on one scenario, calling a contract method without arguments. There are no docs on how to pass arguements to a ...
Goodness's user avatar
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Stellar horizon shows "Still Ingesting" after 5 days

I am running stellar-horizon on ec2 server I cloned stellar-core from git clone https://github.com/stellar/stellar-core.git and installed it. I installed horizon from the package manager with the ...
sqrl's user avatar
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Transfer XLM from old stellar wallet 10/10/21

Stellar Explorer shows my XLM , Coins with GDU... Address. My Old Wallet, Stargazer depicts SAUG...as Private Key under "Export Account". What Next ?? I am trying to put coins on Exodus. ...
Richard Connolly's user avatar
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Contract invoke error: 'Contract pre-release number does not match host' on Stellar using Soroban

I have deployed the crowdfunding contract on Stellar's Futurenet. When I invoke the contract functions on the terminal using the soroban cli, it gives the error contract pre-release number does not ...
Muhammad Zaryab Rafique's user avatar
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47 views

How to get xlm (stellar) address/public key from xpub string?

I'm working a project in nodejs which involves getting address/public key info from supplied xpub string. I've managed to do this on multiple other cryptocurrencies, but have run into problems with ...
Noelt's user avatar
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Payment Processing system implementation using Stellar API

I am a software developer. I have a team of developers, and we are working together to create a new payment system in our country, as there is a monopoly of payment systems. We want to create a new ...
Aslon's user avatar
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Can't figure out tx_bad_seq in python3 stellar_sdk bot

I have created a bot using the python3 library stellar_sdk and i running multiple but with different coin pairs instances of this bot on my server but after a few times I get this error "...
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Stellar Cross-Border Payments (Do SEP-38 is Mandatory to Implement)

We are implementing cross border payments using stellar SEP 31 protocol. Looking out for a guidance on SEP 38 that gives us details about the quotes for an on/off stellar asset. As you know, SEP 38 is ...
DevUser123's user avatar
1 vote
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HISTORY_STALE_THRESHOLD option doesn't work

After referring to this documentation, I set HISTORY_STALE_THRESHOLD to 0 to prevent 503 Historical DB is too stale error when I submit a transaction. This stellar-core code says 0 is the default ...
himori123's user avatar
1 vote
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History: Bad ledger-header history entry

I am running a stellar private network which is my own network. It is working fine for firing the transaction. But I have found that if I want to send transaction for particular some of accounts ...
Alex Smith's user avatar
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1 answer
46 views

Stellar postgres errors: canceling statement due to user request

I am using Stellar (mainnet) and after latest update got errors in postgresql: canceling statement due to user request UTC [64] STATEMENT: delete from history_assets where id IN (select id from (...
Roman's user avatar
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3 votes
1 answer
44 views

Can't find Horizon X-RateLimit-* headers

I found a lot of discussion on how rate limits work, ex: Did Stellar's public Horizon Server Changes its rate limit? But I can't find X-RateLimit-* headers in any of the responses, ex: curl -i ...
Alexey Yatsyshin's user avatar
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1 answer
43 views

How can I claim or refund expired claimable balance?

If any wallet have expired claimable balance, how can be proceeded? If not proceeded, reserves will be remaining for sending address Are there solving methods for it? Thanks for advance
StellarDev's user avatar
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1 answer
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How can i query the version of the node using the API?

I want to know the version of a node using API that can be called externally over the network(rest, etc, excluding cli). I know I can use the CLI to know the version, but can't I use the API? Any ...
Satish's user avatar
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1 answer
19 views

Is it possible to set the speed of transaction in Stellar

Can I speed up my transactions based on the fee I am willing to spend? Or perhaps by some other means? Is there a way to choose between slow, medium, and fast (like on other blockchains) or is there ...
igobivo's user avatar
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Creating Trust line in Go

I am struggling to set a Trustline. Create account Send Funds to New account Set Trust for a Token Send the Token. I am having a big problem trying to get step 3 working, many online examples are ...
Cyberience's user avatar
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1 answer
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What is the key format of a public key?

The documentation ( https://stellar.github.io/js-stellar-sdk/Keypair.html ) just describes what algorithm is used at the core. But that algorithm produces bits. What encoding is used on these bits to ...
user5507's user avatar
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1 answer
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I Working around Stellar Multisig and I am getting

at Function.setOptions (C:\Users\user\Desktop\multisig\node_modules\stellar-base\lib\operations\set_options.js:137:13) at setMultisigOnEmekaAccount (C:\Users\user\Desktop\multisig\multisig.js:30:...
Eben's user avatar
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1 vote
1 answer
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remove token from wallet - transaction blocked by issuer

I've got a fishy token in my wallet that I can not remove or send to anybody, because the issuer has blocked my account for sending this asset. How do I get rid of such assets? My XLM are blocked and ...
Stellazarus's user avatar
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1 answer
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Transaction not supported

I configured a private Stellar blockchain network composed of 2 nodes. When I try to create an account on this private blockchain I get the following error: stellar_sdk.exceptions.BadRequestError: { ...
Fabrizio Sandri's user avatar
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1 answer
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How to create Stellar Muxed accounts using java-stellar-sdk

How to create Stellar Muxed accounts using java-stellar-sdk-0.31.0.jar, I want to create Muxed account with id 1 from custodian account GBMHTX6VOIIS4FNQSMTSWVHCMVCJXTTNXTIY3SBXI5K4NLDCTV5CJLZE ...
user1609897's user avatar
0 votes
1 answer
89 views

Stellar Captive Core For Private Network

I have set up one stellar private network. Now I want to connect horizon with that private network core in captive mode. So that I have create one stellar-captive-core.cfg file as below [[HOME_DOMAINS]...
Alex Smith's user avatar
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2 answers
59 views

Stellar-core multiple instances

I am planning on running 3 stellar core instances for high availability purposes. My question is, do I need to have separate db for each core instance? Same for buckets as well, I am assuming buckets ...
web0710's user avatar
1 vote
0 answers
129 views

How to recover an old Stellar account?

I have tried to recover the account at https://launch.stellar.org/#/recovery with a username and recovery code, but I get the following message: Recovery disabled. Account can't be recovered by ...
user4930's user avatar
1 vote
1 answer
70 views

What API to use to get metadata of asset issuers?

I am trying to get the metadata (such as organization name, logo) of asset issuers in the Stellar network. What API should I use that could possibly contain this information when I pass the Public Key,...
Benji's user avatar
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1 vote
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Standalone network error: tx_not_supported

We have built a Standalone Network with 3 Stellar nodes as full-validators and horizon. Every node and horizon run the 18.0.4 version in a docker container and can access node's history thanks to ...
Massimo Tamburini's user avatar
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1 answer
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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/{...
Egbert Frankenberg's user avatar
1 vote
1 answer
146 views

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-...
AndyPrince's user avatar
2 votes
0 answers
60 views

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:...
nealmcb's user avatar
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1 vote
1 answer
121 views

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 ...
Sohan's user avatar
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1 vote
0 answers
62 views

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 ...
Bert Coesens's user avatar
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1 answer
112 views

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 ...
Sebastian Wdowiarz's user avatar
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1 answer
92 views

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 ...
Hamza L.'s user avatar
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0 answers
60 views

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 ...
Stas Zakharov's user avatar
1 vote
1 answer
140 views

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 ...
hotbit's user avatar
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1 vote
1 answer
51 views

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 ...
user4593's user avatar
0 votes
1 answer
33 views

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/...
Magick's user avatar
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1 vote
1 answer
250 views

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 ...
zena's user avatar
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1 answer
41 views

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 ...
Magick's user avatar
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1 vote
0 answers
14 views

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 ...
Dan's user avatar
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4 votes
0 answers
237 views

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: ...
Ramy's user avatar
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1 vote
0 answers
38 views

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 ...
A ceo's user avatar
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1 vote
0 answers
103 views

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,...
Fadhlan Ridhwanallah's user avatar
0 votes
2 answers
303 views

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:\...
user4098's user avatar
0 votes
1 answer
51 views

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?
user3906's user avatar
2 votes
1 answer
144 views

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-...
NickH's user avatar
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