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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If I create my custom tokens on Stellar network, and I want my clients to use it, where can I launch (an Exchange) and how can they buy?
I would like to launch my custom token, and I want a launchpad / Exchange for me to list / launch it.
Now the question is,
How friendly is Stellar for a financial institution ?
How can my clients ...
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Stellar anchor need
We are building a merchant platform in the Stellar ecosystem, but we have difficulties finding an anchor provider for off ramp. Does anyone know which Stellar ecosystem provides anchor for Xlm and ...
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running validator is not discovered by others. Inbound connections: null
Node is alive I can telnet it, it is Synced in TestNet and paricipates in SCP but it can't be discovered by other nodes. Inbound connections: null. what to look for? when Node realizes its IP? what is ...
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8
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Facing Errors while installing Soroban CLI
this is what i get in terminal output:
C:\Users\admin> cargo install --locked soroban-cli
DEBUG: 1+ >>>> cargo install --locked soroban-cli
Updating crates.io index
Installing ...
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10
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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....
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26
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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 ...
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14
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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.
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19
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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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18
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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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28
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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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37
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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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26
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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 "...
- 11
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11
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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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12
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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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55
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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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49
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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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44
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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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23
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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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28
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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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56
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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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39
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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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61
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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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89
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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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96
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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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2
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63
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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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136
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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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1
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76
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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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33
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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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25
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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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1
answer
152
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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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63
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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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124
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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 ...
- 188
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67
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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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115
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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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1
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97
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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 ...
- 101
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64
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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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1
answer
147
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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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51
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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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1
answer
33
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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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264
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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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45
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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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251
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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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38
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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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104
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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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2
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314
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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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1
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53
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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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147
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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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203
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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 '...
