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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Issue when running localhost for stellar wallet tutorial

I'm currently working through the build apps stellar wallet tutorial, but I've run into a snag. I don't think its necessarily an issue with the stellar sdk, but rather with stencil.js. When I run the ...
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2answers
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Own stellar horizon is not showing data prior to own instance launch date

I run a stellar node using the docker quickstart image and due to some syncing error the underlying ec2 instance was terminated and restarted on 2018-12-28T10:45:19Z, state of core is Synced. ...
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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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217 views

Stellar channel implementation is giving an error "this.source.sequenceNumber is not a function"

i am trying to implement stellar channel concept. i am following stellar channel link. I have created 6 channel accounts. Below is the programme i wrote var destinationId = '...
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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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How would I go about implementing the Stellar Consensus Protocol?

What good resources exist on the implementation of SCP? there are plenty of papers on the mathematical details, and plenty posts on the high-level goals, but I've found next to nothing about the ...
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Where in the code is it written that Stellar public addresses must start with G and private addresses with S?

I have been going through the code of stellar-core but unlike Bitcoin and Litecoin I couldnt find anything like base58.h. So I searched through the folder with many types of keywords but couldn't find ...
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1answer
21 views

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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2answers
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Maximum Total Supply

What is the maximum Total Supply can be created for token in Stellar? I tried to make 100,000,000,000,000 but can't.
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1answer
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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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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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Actual blockchain size

What is the approximative current size of the entire blockchain for the 3 types of nodes: Basic Validator Full Validator Archiver
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Duplicate node found in quorum in testnet

2021-12-29T16:26:44.500 [default FATAL] Invalid QUORUM_SET: Duplicate node found in quorum configuration 2021-12-29T16:26:44.500 [default FATAL] Got an exception: Failed to parse 'stellar-core.cfg' :...
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1answer
147 views

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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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
51 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-...
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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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1answer
240 views

transaction is not submitting on stellar network!

load account is working fine and giving details of accounts means horizon is giving response but on transaction submitting getting error. local node setup done using docker image of stellar code ...
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1answer
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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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1answer
1k 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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1answer
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Node Sync Issue

I am running a private stellar network and try to sync three nodes. From Node I am getting below message. [Overlay DEBUG] Peer 127.0.0.1:11625 is not preferred From Node3 getting below message [...
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1answer
142 views

How to use MANUAL_CLOSE in core config?

The example config states that "Ledger will only close when stellar-core gets the manualclose command". On a new private testing network (ledger#=1), after setting MANUAL_CLOSE=true, I did stellar-...
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2answers
718 views

Horizon waiting for Stellar-core to sync

I have built stellar-core and horizon instances from source on Ubuntu 18.04 LTS. I managed to make them work for the test-net, yet now, whilst trying to configure stellar-core.cfg for the public ...
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Error being thrown on Stellar core v18.1.0 and Horizon v2.10.0

Need some help with Stellar Node, as I am running Stellar core v18.1.0 and Horizon v2.10.0, I had this issue in v17 of Stellar and still have it. The issue is that I am getting such errors: Error ...
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1answer
67 views

Two local nodes stuck in syncing state

I've followed the guide here, but my two local nodes are stuck in catchup mode. When I try to for example run this: stellar-core http-command "generateload?mode=pay&txs=10000&txrate=29&...
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0 XLM in account viewer

Trying to view XLM in new account viewer When I log into stellar I see this But when I open in the albedo account viewer I see this: Should I use another viewer? please advise, thanks!
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1answer
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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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1answer
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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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1answer
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stellar core frozen at ledger 1187897

I have a problem with two stellar-core installations that were installed by the stellar quickstart image (https://hub.docker.com/r/stellar/quickstart/). I have two running testnet-instances of it at ...
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0answers
8 views

Connect one Node from one AWS instance to another Node which is in other AWS instance

I am running a private network. Four nodes are running in one AWS instance. Ledgers are keeping in s3 bucket. Now from another AWS instance I trying to connect one node with those four nodes. Below is ...
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1answer
40 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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1answer
38 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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1answer
6 views

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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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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1answer
45 views

Inferring operationID from get transactions stream data

Currently, I am getting transaction detail from transaction stream using stellar sdk. So for getting the operation details the envelope XDR is decoded. But the operationID couldn't be retrieved from ...
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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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1answer
241 views

Using S3 as Archive for Standalone Node

I assume this is a classical How To. But i can't find the answer. How do I configure S3 as archive for a standadlone stellar node? Here is what I did: 1) Started the node with quickstart template: ...
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1answer
149 views

`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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I have lost my stellar coins what can I do now?

I have sent my stellar coin to abra wallet but the coin is not reached. This is what I have recived from customar support of stellar coin. The coins are successfully sent from here . This is the ...
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1answer
65 views

Stellar Core Data

Where can I download the full Stellar transactions and payments history? I have seen already that I can download one page at a time in the Stellar Website, but id like to do a full download since its ...
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1answer
49 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 ...
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1answer
46 views

Issue with History Archive - second node not syncing with the first

I ran second node but it's not reaching consensus with the first node. I think second node will sync up with the first node with History Archive. I ran the second node but it's giving 'Lost track of ...
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1answer
83 views

Getting an old build and set up stellar core

I want to set up old build (not using docker). If I download the source code, how do i build the core from that? Say I download v10.2.0rc4 from https://github.com/stellar/stellar-core/releases. I ...
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1answer
48 views

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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1answer
194 views

Cannot sync data from network after stop node for long time

I started a new node both horizon and core with this docker image in TESTNET with default configuration and persistent mode. After started it reached state Synced!, then I had stopped the docker ...
3
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1answer
143 views

History configuration? (404s)

I'm attempting to get a full-history horizon & core setup going, and I'm running into 404s fetching history buckets, with every combination of configurations I've seen on stackexchange and in the ...
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2answers
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What is the process for the community to propose an XLM lockup?

Let me start by saying I am not proposing a wholesale token "burning" as I believe that could have unintended negative consequences long term. However, considering the tremendous price appreciation ...
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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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How can we create a local test network rather than public test network?

Is there any possibility of hosting a test network locally within my computer so that it doesn't reset the chain when using the public test network?
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I withdrawal XLM form binace to exchange bitkub by trustaddress i withdrawal by don't put memo [duplicate]

I withdrawal XLM form binace to exchange bitkub by trustaddress i withdrawal by don't put memo,Can I get a refund or not and how? address : GBS2RTBGEWBT7DJOH7CTA4PDVLIPONCPCIILJPPESWSHDIV4NFZJHRP3 ...

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