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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1answer
81 views

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 ...
4
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1answer
39 views

Is a network of non-validators really necessary?

From my understanding, stellar-core nodes (i.e., including watchers and validators) will arbitrarily connect to other nodes by default (i.e., no preferred peers set). While it makes sense for watcher ...
4
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1answer
104 views

Stellar-core not syncing on testnet after restart. Missing Buckets not being retrieved

After attempting to restart a stellar core node I had running on the test net I got an error, and when I tried to run stellar-core (inside docker container) with stellar-core run I got the following: ...
4
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0answers
67 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 ...
4
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2answers
87 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. ...
4
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1answer
140 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: ...
4
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0answers
123 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}" [...
3
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0answers
12 views

Compiling on CentOS & Fedora

I have written spec files for packaging Stellar-core in the CentOS/Fedora and perhaps eventually RHEL. This works locally with the "make check" step however when I run "make check" on the remote ...
3
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0answers
17 views

How does Stellar-Core handle multiple archives in a secure manner?

For a stellar code, if a node is configured with multiple history archives for reading, presumably from sources of different nodes. How does this node handle discrepancies between the historical data? ...
3
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1answer
90 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="...
3
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0answers
34 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 ...
3
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0answers
137 views

Docker image installation private network detailed instructions

I am able to install a stand alone network on an aws ec2 instance with the command docker run --rm -it -p "8000:8000" -v "/home/scott/stellar:/opt/stellar" --name stellar stellar/quickstart --...
3
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0answers
101 views

Where should the stellar-core root account seed be stored?

Should the root account seed from stellar-core be stored in the stellar-core config? After upgrading to the latest version of stellar-core, I'm not able to find the transactions related to the ...
3
votes
2answers
556 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 ...
3
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1answer
98 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-...
2
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0answers
24 views

No communication between Ledger Nano S and Stellar account viewer

If I try to connect the ledger Nano S to the Stellar account viewer, the relating field in the account viewer does not turn blue, but stays grey. So the ledger has not been detected by the account ...
2
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0answers
21 views

Stellar Netwok AWS Storage Volume

I had set one stellar network up on AWS with 500 GB HD near about one year ago. Now storage is approx 90%. Is there any way to remove old ledger,old history to increase the HD.
2
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0answers
57 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 = '...
2
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1answer
81 views

Error while installing stellar core

I am trying to follow this tutorial in order to build a private stellar network. https://labs.imaginea.com/post/stellar-bc-wallet/ And i am still trying to install stellar-core. when i ran ./configure ...
2
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1answer
41 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 ...
2
votes
1answer
78 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 ...
2
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0answers
70 views

History buckets not found in history.stellar.org

After update to stellar-core 10.0.0rc4 I got history issue. Synchronization is stuck. Here is errors: 2018-09-14T14:08:36.090 GCUCN [default INFO] Loading last known ledger 2018-09-14T14:10:19....
2
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0answers
106 views

Can't continue stellar-core sync. Stuck in Joining SCP

I'm in the middle process of stellar-core sync, but I need to restart my server for some reason so I stopped the stellar-core sync. Then when I continue the sync process I keep getting this message: ...
2
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0answers
136 views

How to resolve 500 Internal Server Error on /transactions/<hash>/operations?

My node returns an error when I query the /operations endpoint in horizon. curl http://127.0.0.1:8000/transactions/73ce2618095d2c17bdaf08a6a6617cef549f974b1619f03b84eb46747e5e4eb0/operations { "...
1
vote
1answer
18 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 ...
1
vote
1answer
20 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 ...
1
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0answers
17 views

How to make two Stellar nodes run for History Archive?

I tried to run two Stellar nodes to make History Archive happen. But this is the log I received: 2020-01-30T12:09:21.894 <startup> [default INFO] RUN_STANDALONE enabled in configuration file - ...
1
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0answers
20 views

externally connect to my stellar node

I created a private stellar node on my server using the documentation. When I am trying to externally connect to my node using curl I get the following error on stellar-core: [Overlay ERROR] TCP: ...
1
vote
1answer
24 views

Stellar-core catch up failed

My stellar node stop syncing with such error: 2020-01-15T05:43:46.809 GAES7 [History DEBUG] Verifying ledger headers from /mnt/volume_lon1_01/buckets/tmp/catchup-425e2f74558fb272/ledger/01/a7/8a/...
1
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0answers
16 views

Using the STELLAR LABORATORY (HORIZON) UI to interface/connect to a LOCALHOST Standalone STELLAR core network

I am new to the Stellar network and would like to TEST Stellar's capabilities - via a standalone implementation (http://localhost:8000) of the 'STELLAR/QUICKSTART' on my MAC laptop. The installation ...
1
vote
1answer
47 views

Stellar Core Stuck at Catching up or Joining SCP

I'm trying to get a basic version of Stellar Core setup in Docker using the stellar/quickstart image. One of the problems I'm running into tho is that the state is stuck at Catching up or Joining SCP....
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0answers
22 views

Store Large volume data

Is there any way to send data over memo more than 28 bytes. As I have done one experiment to send data greater than 28 bytes using SHA256 algorithm but it can not be decoded. So any method regarding ...
1
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0answers
14 views

upgraded horizon version, newly added tables is not synchronising with stellar core private network

Stellar core version is 12.2.0. Recently i upgraded my horizon version from 0.17 to 0.23. while running, it showed me an error that i need to "horizon db migrate up". Post doing that it basically ...
1
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0answers
17 views

(Install Error) Package stellar-horizon-postgres is not configured yet

1- I cannot install stellar horizon it gives an error. I tried this solution https://stellar.stackexchange.com/a/2400 but it didn't work. 2- I tried this solution https://github.com/stellar/packages/...
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0answers
7 views

Native deployment of stellar pubnet

I was trying to setup stellar-core natively ( without docker) but couldn't find relevant docs on setting up databases, permissions ect. Using docker, it's quite simple: docker run --rm -it -p "8000:...
1
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0answers
53 views

Stellar-core running in Docker container, but not inside supervisorctl. If run in supervisorctl it doesn't use the right config

In the docker container if I run stellar-core using supervisortctl, then logs do not get written to the file I have specified in my stellar-core.cfg, but if I start stellar-core outside of ...
1
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0answers
56 views

Troubles Setting up Private Stellar Network

I am trying to setup a stellar private network for experimentation purposes. Unfortunately, no matter what i do, the nodes end up not being able to sync up. Mostly, as soon as I change the network ...
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0answers
54 views

How to update the transaction fees in private network - normally it is 100 stroops

I have updated the config file by putting the below value COMMANDS=["upgrades?mode=set&upgradetime=1970-01-01T00:00:00Z&basefee=1&basereserve=1"] By using the command stellar-...
1
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1answer
25 views

SCC: why are there 2 SQL files?

The SCC (Stellar Core Commander) is a tool used to generate a "state" for Horizon's tests. When I run it against an .rb script, it generates a single .sql file - essentially a 'pg_dump' of the sql ...
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0answers
25 views

stellar-core on CentOS 7 - systemd issue

I run stellar-core on CentOS7. When I run by using command line, everything is fine, and I can create account. However, when I run it on systemd, I always encounter timeout failure The user I ...
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0answers
20 views

peer's txhistory table is not updating after making payment

I have successfully set up stellar-core in my private network using a different network passphrase with 3 nodes. When I run stellar-core -c 'info' output says state: Synced!. I have configured one ...
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0answers
12 views

Collecting Core metrics

I want to collect core metrics using the /metrics endpoint. However /metrics seems to collect metrics indefinitely, never resetting them. This means that (for example) the "average database.insert....
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0answers
20 views

How to properly update stellar-xdr and recreate docker image of stellar-horizon?

I want to increase the memo field from 28 bytes by changing this line in Stellar-transaction.x for my private network: MEMO_TEXT: string text<28>. I am able to pull the stellar-go repo into my ...
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0answers
94 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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0answers
198 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
74 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
21 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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0answers
23 views

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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0answers
82 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
22 views

How to create my own operations

I'm looking to alter stellar-core for my project, which deals less with financial transactions and more with data storage. I want to essentally rip out some of the operations such as allowTrust and ...