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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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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29
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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 ...
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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 ...
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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 ...
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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 ...
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ISO20022 complains STANDARDS, -Testing AND PRODUCTION SETUP AS THE JDE PLATFORM for TESTING VERSIONS of transaction types of ISO20022 Standards,
We are WORKING on a Solution for MAPPING, TESTING, and MOVING APPROVED ISO20020 Version of Financial transitions to PRODUCTION, and also Monitoring the STATUS of each ISO 20022 TRANSACTIONS
using the ...
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What requirements does ISO 20022 pose on a Stellar implementation?
To be ISO 20022 certified, what are the requirements, and how would the ISO 20022 data testing procedures would be performed on the Stellar platforms or other systems before going into Production?
If ...
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networkId = ?, envelopeType = ?, txXDR = ?, What are these variables equal to
const envelopeType = StellarSdk.xdr.EnvelopeType.envelopeTypeTx().toXDR();
const signatureBase = Buffer.concat([networkId, envelopeType, txXDR])
const transactionHash = StellarSdk.hash(signatureBase);
...
user6256
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Stellar wallet balance at a point of time
Is there any way to find the balance of a stellar wallet at a point in time using any of the Horizon API? In Ethereum, we can pass the account along with the block number to get the balance at that ...
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Hash Transaction. Need Sample Raw Data For Hash Function For Calculate Hash Transaction
Need an Example of Raw Data of a Simple Transaction to Calculate the Transaction Hash.
Hash Transaction = SHA256(x), x = ??? (Example Raw Data, Byte Array).
Can't find a sample online. (((
I can't ...
user6256
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Transaction hash calculation
Calculating transaction hash incorrectly.
I need to calculate transaction hash.
I have:
SHA256(x)
Network Passphrase: "Public Global Stellar Network ; September 2015"
Future transaction XDR ...
user6256
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Stellar node huge disk consumption
Our stellar horizon with the captive-core node is using about 6,4Tb disk space on a host. Autovacuum runs normally on a postgresql db. Is there any way to prune or cleanup data, because we are about ...
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Private network fee
I want to customize fees of transactions on private network to be an percentual of transaction value.
Didn't fully understand the feebump.
And don't know if feebump should be used.
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What is the current size of a full history node (DEC 22)?
I'm re-attempting to run a Core+Horizon setup, but I can't find this in the docs anywhere.
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How can I check the balance for each account using node.js and mongo.db
Can I use MongoDB's public key to check the account's balance?
SignUp function
module. exports.signUp= async(req,res)=>{
const {pseudo,email,password}= req.body
try{
const pair ...
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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 ...
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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 (...
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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 ...
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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
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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 ...
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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 ...
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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 ...
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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 ...
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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:...
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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 ...
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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: {
...
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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
...
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1
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77
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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]...
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55
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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 ...
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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 ...
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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,...
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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 ...
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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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130
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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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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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86
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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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134
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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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