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
30 views

Network.usePublicNetwork(); showing syntax error

I have just migrated to AndroidX (which may or may not be related to this issue). However, Network.usePublicNetwork(); is now showing a syntax error: Below are my imports: import org.stellar.sdk....
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3answers
116 views

My stellar-core can't run on the Public

I just want to run a node which can download the public data.my config stellar-core.cfg like this: DATABASE="postgresql://dbname=stellar_core user=stellar password=123456 host=localhost" #配置数据存储路径 ...
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0answers
53 views

Unable to determine the status of “Catching up” node

My stellar-core node is not syncing past 1/2 children completed. In my config, I have: CATCHUP_COMPLETE=false CATCHUP_RECENT=1024 When I call "info" I see this: "info" : { "build" : "stellar-...
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1answer
25 views

Federation servers - are they just “DNS for Account ID”, or do they have more functions?

As far as I understand all non-faulty members of Stellar network maintain same transaction log (sequence of ledgers in Stellar terminology) and database state. This includes accounts public keys and ...
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1answer
41 views

When total coins will exceed beyond its storage data type

The total initial coins are 1000000000000000000 which is stored in const int64_t data type. Now this particular data type can support maximum 19 digits number. THis whole coin is possessed by root ...
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2answers
52 views

How to decode sellingasset and buyingasset in python

I checked in public.offers from the core database. The sellingasset and buyingasset are base64 encoded. Here's what I get from database and horizon api: database select buyingasset from offers ...
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0answers
32 views

Stellar validator node quorumset not reaching threshold

I deployed a full validator node and it was 100% validating for a few months. A few days ago I check it's status on stellar beats and I saw this error Node not validating: quorum set not reaching ...
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1answer
65 views

problem running the core+horizon container in standalone mode

I can start a standalone container with this command: sudo docker run --rm -it -p "8000:8000" -v "/home/maxou/stellar:/opt/stellar" --name stellar stellar/quickstart --standalone I can call rest ...
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1answer
97 views

How to set a Stellar node to a watcher node?

I have seen your support docs, it shows me the config file which is to set a public network or testnet node, but it looks like a full validator. Now I want to set it to "Watcher" mode, but I can't ...
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0answers
103 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 ...
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1answer
27 views

What is the difference between watcher Node and Basic Validator Node

Can anyone explain what is the difference between watcher and basic validator node .
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2answers
148 views

Stuck in “Joining SCP” state with info “Lost track of consensus”

I just trying to build a private network with two nodes(two different physical hosts) and all of two nodes are validator nodes, but I just stuck in the "Joining SCP" state when I run stellar-core run -...
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1answer
43 views

Is it possible to implement custom transaction types in Stellar?

I see that it is possible to add custom data, but it seems like there is no validation of its correctness on the blockchain side. So the question - is it possible to implement custom transaction types ...
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0answers
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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 - ...
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1answer
95 views

Unable to sync testnet node

I am using stellar-core in ubuntu 18.04 . I want to create test-network . But my node is unable to sync , it is stuck showing the log For new syntax: stellar-core help 2019-06-07T11:38:26.889 ...
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0answers
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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: ...
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2answers
723 views

Multiple stellar-nodes not syncing

I am running a private network on a MAC laptop with 2 nodes Node 1 HTTP_PORT=11626 PEER_PORT=11625 PUBLIC_HTTP_PORT=false RUN_STANDALONE=false NETWORK_PASSPHRASE="My Network ; March 2018" NODE_SEED=...
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0answers
32 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 ...
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2answers
64 views

Stellar's Quorum Structure

In the Stellar whitepaper, there are examples of various Quorum structures. Which one does Stellar use? Is there a visual representation that I should look at?
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1answer
46 views

Path payment is taking only 4 hops BUT stellar is mentioning upto 6 hops

Let assets are A,B,C,D,E,F I have created few orders like A->B B->C C->D D->E E->F Now, i have created an order where user1 is selling "F" to a destination user2 and the ...
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1answer
35 views

Add maximum XLM on Standalone Network

Currently, Stellar Network has maximum 100 Billion lumens. I want to ask if it is possible to add more lumens to existing Standalone (private) Stellar Network?
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0answers
24 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.
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2answers
39 views

Storing image file on stellar network

I am trying to insert an image into Stellar private network. I have gone through all the operations but did not find anything. Any new update with Stellar protocol version 12?
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0answers
25 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 ...
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0answers
24 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 ...
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1answer
53 views

Testing stellar anchor

I am in process of testing a build of stellar anchor. I am using https://gostellar.org/app/ for this. Everything goes well till the point where the transaction is submitted to the network. I get ...
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1answer
83 views

How do I turn on experimental ingestion on a standalone network?

I'm trying to turn on experimental ingestion on my standalone network so that I can try out the strict-send path finding endpoint, which doesn't seem to be implemented with the non-experimental ...
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1answer
94 views

What is <HISTORY-LABEL> in stellar-core new-hist command?

The Error: Nov 05 08:47:34 ip-10-31-37-117 stellar-core[8828]: cp: cannot stat '/var/www-host/stellar-core/history-cache/history/01/96/91/history-0196913f.json': No such file or directory Nov 05 08:...
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1answer
25 views

How is operation ID calculated?

I am trying to understand how the integer operation ID returned by horizon REST API is calculated. I found this answer which mentions the inputs of the calculation but does not show how to perform ...
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1answer
54 views

New node is lagging behind the old one

Hi I was doing some experiment (especially after the news of stellar network going down) in my simple 2 nodes private network and got some confusion. Here are the steps I follow: Configured network ...
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1answer
24 views

Transferring among different assets under the same account

Lets say ive an account with 2 assets USD, GBP and native asset as well. Can i transfer between USD and GBP belonging to same account ? Is it possible
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0answers
23 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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1answer
143 views

How to set XLM masternode in local or aws server like btc node daemon

docker commands, I'm using for testing purpose in our local machine docker run --rm -it -p "8000:8000" --name stellar stellar/quickstart --testnet but Where to set config file? How I can create ...
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2answers
111 views

Unable sync my updated node stellar-core (v11.4.0), Please Help

General information We have a private network based on stellar. I update the new release of stellar-core v11.4.0 but, my node stuck on catching up state and restart over and over. Our network nodes ...
2
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0answers
17 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:...
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2answers
51 views

Would like to know if my stellar node running properly?

Below is what I see on the web frontend at http://my-dummy-stellar-node-domain.com:11626/info To my limited knowledge about Stellar, I see that ledger hash is not changing. Is that a healthy sign? ...
3
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0answers
16 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 ...
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0answers
10 views

What is the difference between the preconfigured packages and the binaries

We have different options for installing the stellar-core and horizon specially. What is the difference and where shall a new user start to be able to configure a custom anchor?
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1answer
139 views

Getting up and running with a Stellar-Core and Horizon with a Database

I am new to the Stellar world and wanted to set up a node (Stellar Core, Horizon and a Database) for the first time to run as an anchor. However, I couldn't figure it out from the documentation how to ...
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3answers
69 views

Transactions vs Operations

Stellar offers a model in which Operations (ops) are aggregated into Transactions (tx) which are aggregated into blocks. You can stuff 100(?) ops in a tx and 100(?) txs in a block (or ledger). but ...
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2answers
38 views

How to quickstart to pubnet while install SDF package

I had check previous question switch from testnet to pubnet, However, the answer is not helpful. I had installed stellar SDF package three times and switching pubnet after successfully install. How ...
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1answer
46 views

Can I change the Path of a Stellar history archive?

In stellar-core.cfg (stellar config file) we need to define a history configuration. The default setting is mkdir="mkdir -p /tmp/stellar-core/history/vs/{0}". Can I change this directory location, or ...
2
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1answer
326 views

FATAL when switching from test network to public network on stellar-core

My question is about transitioning from the test-network to the public network. I am curious about whether there is a standard procedure to follow, not only in terms of configuration, but also in ...
6
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1answer
2k views

How to withdraw Stellar lumens into USD?

I was one of the (lucky?) people to have signed up for Stellar and now have about 6000 lumens, but I have no clue how to convert it into USD i.e withdraw . Also wondering is there a fixed rate of ...
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0answers
61 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-...
2
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1answer
194 views

How to create trustline between issuer's account and receivers accounts dynamically?

I am trying to create a trustline between issuer's account and receiver's account to send Custom Assets(token) I am following this link var StellarSdk = require('stellar-sdk'); StellarSdk.Network....
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1answer
68 views

Stellar validator node

My question is about running a stellar validator node. Why Starting stellar-core in FORCE_SCP mode requires NODE_IS_VALIDATOR to be set?
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0answers
97 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 ...
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2answers
198 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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1answer
168 views

Stop Horizon/Stellar node growing disk usage

I'm trying to find a way to keep Stellar disk usage in check. I only care about the last 24 hours or so of transactions and don't want to over-provision the instance I started a docker container ...

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