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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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Which uses more server resources, Horizon or Core? And is more CPU or RAM intensive?

Looking for rough estimates on which uses more resources, Horizon or Core and whether either is more CPU or RAM intensive? Thanks.
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1answer
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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
27 views

Facing issue while syncing nodes when CATCHUP_COMPLETE flag is set to true

I am running a private network with 3 nodes. DUe to some reason I have to stop 3rd node and when I am restarting getting following status again and again: "status" : [ "Catching up: downloading ...
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1answer
22 views

Issue during Stellar core setup

./stellar-core --genseed command should always generate same seed or it can generate different seed. What is the logic behind executing this command? As per my understanding , it should generate same ...
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1answer
26 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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1answer
20 views

Setting the network interface for core?

it is possible to set the network interface that Core is using? Suppose my host has multiple interfaces, which one is selected?
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0answers
28 views

Do transactions store information on when they were created?

I'm looking at the XDR definition for transaction and I can't find if there's any info on when a transaction was created. How do I look up date information for a transaction? I want to get some ...
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0answers
14 views

Root account balance increase, when 100 billion amount got over in Stellar Private Network

What we want How can we increase root account balance when all balance got over in multiple nodes with the Same Network(Private Blockchain)? What we have First, We have setup Stellar Private ...
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3answers
24 views

How to pass in a different config file when running a stellar quickstart docker container?

The Stellar quickstart contains a config file at stellar/core/etc/stellar-core.cfg which it uses by default to start stellar core once the container is first run. How can do a first run of the ...
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23 views

Deprecated Commands in Core 10.1.0?

After upgrading to stellar core 10.1.0, it says that some of the commands have been deprecated. Which are those commands, Could someone please help?
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1answer
15 views

If stellar-core maintains the data, how to view the deleted data

stellar-core will automatic maintenance.Maintenance code:main/Maintainer.cpp. it will delete old data in maintenance process,how to view the deleted data?
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0answers
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stellar-core not printing logs

Stellar-core suddenly does not print logs. I checked stellar-core status and it seems everything was running well. But in the syslog file,you can see that it just stopped for no hint at all...
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1answer
28 views

Timeout after 6000ms after submitting a transaction

Whenever I submit a transaction I get a timeout error (after 60 secs). The server is a docker quickstart image in standalone mode. To solve the issue I am have to run the image with -e LOG_LEVEL="...
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26 views

Limiting the size of local buckets on the core

I'm running a core. It's generating a lot of files in its internal bucket (not the history bucket): files that contain the recent-ish history of the blockchain. Is there a way to limit this amount? ...
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0answers
20 views

Change stellar quickstart docker from ephemeral to persistent without shutting it down

I made the mistake of running my Stellar instances with the -v "/home/Drew/XCoin:/Drew/XCoin" flags instead of the required -v "/home/Drew/stellar:/opt/stellar"flags that Stellar recommends on the ...
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0answers
40 views

Stellar-Core won't sync anymore: “Replay failed: mismatched ledger hash”

Stellar-core was running smoothly, then crashed without log entries. Node now fails to catch-up and sync. Logs are complaining about a mismatched ledger hash and I am stuck in an endless loop of ...
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0answers
27 views

How should one decide how many and which nodes to select in the quorum set when configuring a Stellar Core Node

How should one decide how many and which nodes to select in the quorum set when configuring a Stellar Core Node (in archiver mode)? There is a list of validators in the link below, should all or some ...
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3answers
43 views

How does Stellar manage to cut the cost of remittances?

Disclaimer: I'm not a developer and just starting to learn Stellar and reading the documentation The way (international) payments work (simplified): When making a purchase on an app, the payment ...
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1answer
34 views

What are “LedgerEntry objects” and “Asset pairs” in relation to Stellar Core Configuration?

The following is mentioned in the example config but I am wondering what a LedgerEntry object and Asset pair actually are, in this context. # Data layer cache configuration # - ENTRY_CACHE_SIZE ...
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1answer
29 views

Does Stellar Laboratory query the DB, when it tries to get the Sequence Number?

In Stellar Laboratory, in the Transaction Builder tab, the Transaction Sequence Number is required, there is button which gets the next Sequence Number. Does Stellar Laboratory gets the sequence ...
4
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1answer
25 views

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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1answer
35 views

Horizon API not showing history of ledger

I use stellar-core for the run an own private network. I have a private network setup with 2 nodes running (self-validating) and one REST server running. But on running Horizon API(http://localhost:...
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2answers
37 views

monitoring stellar

As I understand, stellar block-chain is actually the ledgers using the previous hash to connect to its prev ledgers down to genesis ledger. my question is: how can i monitor the ledgers in order to ...
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0answers
67 views

What are the good configurations for having a running cluster of 3 nodes?

I am trying to set up a private stellar cluster with at least 3 nodes. I am able to setup a 2-nodes cluster but when it comes to add another node, the cluster is broken and only one node is synced. ...
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0answers
35 views

Can a transaction be successful in a 2-node private Stellar Network?

I have a 2-node private network running, when I try to submit a transaction using an XDR generated from the Stellar Lab, it first shows up as "PENDING", then one of the node stops working. Any idea, ...
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0answers
20 views

Is the seed stored inside the database associated with the core?

For security reasons, I'd like to know whether the seed is stored in the database. Obviously, its configured in the core's config file, but does the app copy it into the database? I suspect it does ...
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1answer
30 views

Multi-sign transaction is not working

I am creating a multi-sign transaction. When I am submitting the transaction to Stellar, response.isSuccess() returns false. Could anyone tell me where I am going wrong? link https://www.stellar.org/...
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1answer
62 views

is it possible to perform multiple payment operation in single transaction?

Scenario: when user pay(100%) on my website using my API in which I want to perform 2 payment operation 1. goes to production account(50% amount) 2. goes to manager account (50% amount) is this ...
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0answers
39 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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2answers
61 views

How do I install Stellar-core?

I installed stellar-core through the source code and I don't know how to proceed. Do you have any good suggestions?
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3answers
61 views

Is it possible to change the asset issuer?

After issuing the asset I need to change the asset issuer, all trustors will remain trusting the same asset but the issuer is diffrent. scenario- issuer 1 - issued asset Dummyasset now need to ...
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1answer
29 views

Getting error on direct http tx call to stellar core

I am trying to send a transaction via http call without Horizon. Here is the tx information http://localhost:11626/tx?blob=...
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1answer
52 views

How to keep account balance up to date in wallet app

I'm building a simple wallet app and I want to keep the balance of my account up to date in the wallet. I have thought of a couple ways to do this, but neither seem that great. OPTION 1: Query the ...
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1answer
54 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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0answers
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How to remove Stellar local node setup completely?

I am having some issues accessing the local node setup. I installed with this link and tried to fix it but now I want to remove the complete setup and reinstall it.
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2answers
52 views

How do I keep track of payments to multiple address

To track the payments we can use streaming API is good solution. already answered. In my case I have a master account(M) as well sub-master(SM) account, I need to have multiple sub-master(SM) ...
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1answer
69 views

Best practice for issuing a new asset and locking an account

When issuing a new asset, is it expected that the transfer of the asset to the distribution account and the locking (setting weight to 0) of the issuing account take place in one transaction or, can ...
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1answer
38 views

stellar-core can be controlled via the commands (No config file FILE found)

following this link!. When specifying a config file to use. stellar-core --conf FILE default 'stellar-core.cfg' I get error : 2018-11-17T11:25:32.680 <startup> [default FATAL] Got an ...
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1answer
23 views

How to do make the minimum XLM deposit upon account creation

How would one typically send the prerequisite 1 XLM to a new account upon creation? Is this done by including the transfer from another account to the new account as part of the creation process?
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1answer
41 views

Trustline for account purchasing an asset on an exchange

I have so far found out that an account needs to have a trustline for an asset if it is to receive a payment of that asset (from a given issuing account). Does an account need a trustline for an ...
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1answer
67 views

Why stellar required XLM to activate account

I am using stellar for custom token. And each time a customer creating a account on stellar they required 1 XLM to activate there account. We are using custom coins only so why should be activate ...
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2answers
26 views

Where is the secret key for the standalone network?

I am running the docker quick start image for a standalone private test net. I have the network up and running, but I cannot find the secret key for the single funded test account. Where can I find ...
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1answer
19 views

Time-based wallet in Laboratory

I want to build a time-locked token with certain funding target to be used for crowdfunding. I have found the code for creating time bounds in javascript but I am unable to find the UI of Stellar ...
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1answer
72 views

how to know the transaction is confirmed or pending or success in stellar network or How to check status of a tx in stellar?

As a receiver, someone sends me lumens if transaction get success or fails it is ok as sender already got a response from the horizon, what if the transaction is neither succeed nor fails, how can I ...
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2answers
60 views

How to get account historical balances?

how would I go about obtaining a list of historical data (tokens held, their quantities and a timestamp) for an address? The stellar expert explorer has a way of generating this kind of data, an ...
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1answer
75 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 ...
5
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1answer
55 views

What is done to create a stellar AccountID aside from the generated raw secret and derived pub/priv key?

I am curious on what is done when a public/private key pair is created on Stellar. I understand a key pair is generated with ed25519, but why are there additional pre-fix/postfix involved? Why would ...
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0answers
54 views

How to add nodes to my private network?

If I have started a private network on my local machine, it will be running only one node. If I want to add few more nodes to it, how will I do it? I am planning to use some AWS ec2 instances as ...
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0answers
49 views

Stellar-core failing to initialize history archives to S3

My archive setups are configured like this: [HISTORY.v1] get="aws s3 cp s3://my-bucket/v1/{0} {1}" put="aws s3 cp {0} s3://my-bucket/v1/{1}" [HISTORY.v2] get="aws s3 cp s3://my-bucket/v2/{0} {1}" [...
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1answer
55 views

What are the differences between Ripple and Stellar addresses

What are the differences between Ripple and Stellar public/private key pairs? I understand the cryptography and libraries that Ripple and Stellar use are quite similar, but are they practically ...