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.

Filter by
Sorted by
Tagged with
0
votes
1answer
6 views

Hand code a stellar transaction

I know how bitcoin transactions are built 4 Bytes version & 1 byte number of inputs ...etc similar to this how is stellar transaction built and signed ? Please help me find that information ? ...
0
votes
1answer
9 views

High available stellar core

I'm looking for a way to run a high available stellar validator core. Right now I run one stellar connected to Postgres DB in a k8s pod. My question is if I want to for example run 3 nodes do I need ...
0
votes
1answer
11 views

Stellar HD Path require apostrophe in the end?

I was recently going through some code and came across something new to me. The HD Paths for all the assets I saw ended with /0 but specifically for Stellar it ended with /0'. The complete form: m/...
0
votes
0answers
11 views

How to define your own value type?

I want to exchange not monetary values, but serialisable Plain Old Data Structs (say 4 int32 and char array of 128 items) in each message. One can not sum two of these values directly, yet can take ...
1
vote
1answer
35 views

How to connect to a stellar stand alone node?

My goal was to set up a small test network with two stellar nodes. Therefor, I forked the quickstart repo and made some small adjustments. I changed the public key and the network passphrase. On my ...
0
votes
1answer
22 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....
0
votes
1answer
17 views

How much time to fully sync Watcher Node

How much time does it take for a watcher node to sync?
1
vote
0answers
21 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-...
2
votes
1answer
31 views

Why is validator inactive on Stellarbeat despite logs showing validation activity?

I am trying to run a validator, and have configured it accordingly. I am running version 12.4 on an Ubuntu machine, which I installed using the stellar-core-postgres packages. According to stellar-...
1
vote
0answers
20 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 ...
1
vote
1answer
20 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 ...
1
vote
1answer
14 views

Payment Deducted from channel account and not from source account

I am trying to implement the concept of channels in my stellar project. I have refered https://www.stellar.org/developers/guides/channels.html this link. As it is said that, the source account of the ...
0
votes
0answers
12 views

Stellar docker quick start high disk space usage

I'm using stellar docker quick start image. everything works well except disk space usage. i realized that it uses 100Megabyte per hour. I have changed the default settings of the postgresql 9.6 and ...
2
votes
0answers
27 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 ...
1
vote
1answer
26 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 ...
0
votes
1answer
17 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 .
2
votes
1answer
37 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 ...
0
votes
0answers
11 views

What is the Procedure to Add New Node to the Network

What are the steps to be followed to add new node to the network. Do we have to add the new node address and public key to the other nodes in the network. -> i.e Do We need to make it KNOWN OR ...
0
votes
0answers
10 views

Why is the return value of SCP::nominate ignored in Stellar?

I've noticed this: https://github.com/stellar/stellar-core/blob/18d5d5ebc12a5d623b523c114a4ac77ae31964ea/src/herder/HerderSCPDriver.cpp#L869 https://github.com/stellar/stellar-core/blob/...
1
vote
1answer
26 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
vote
0answers
18 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 - ...
0
votes
0answers
23 views

stellar-core upgrade v10 to v12

I am running a stellar-core private network with version v10. Now I need to upgrade it from v10 to v12. I have gone through the stellar documentation but did not get any steps. One more thing I would ...
0
votes
2answers
32 views

stellar payment tx_bad_seq error

I am using stellar sdk to send payments from one account to another. When i send payment one by one , there is no error . everything works fine. However when i try to send payments in batch i get ...
0
votes
0answers
27 views

“still Ingesting” horizon error after upgrading stellar core to the latest version

I am running a stellar private network. Earlier my core and horizon version were too old. so, i upgraded it to the latest versions mentioned below "horizon_version": "v0.24.1", "core_version": "v12....
0
votes
2answers
37 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 ...
1
vote
0answers
28 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
28 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/...
4
votes
1answer
43 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 ...
1
vote
0answers
19 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 ...
0
votes
0answers
10 views

stellar-core v.12.2.0 History ERROR

I've run my node for several months without any problem. I haven't changed any configs but it's a week or two my node started to stop syncing with such error: 2020-01-06T21:36:26.540 GDDVE [History ...
1
vote
1answer
55 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....
0
votes
1answer
38 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 ...
2
votes
0answers
23 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.
1
vote
2answers
34 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?
1
vote
0answers
23 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
vote
0answers
17 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 ...
0
votes
0answers
4 views

Can't stop stellar-core using supervisorctl inside quickstart docker image

I want to stop stellar-core to make some changes in config file. The only way to stop it is to use supervisorctl but when I enter supervisorctl stop stellar-core I get unix:///var/run/supervisor....
1
vote
1answer
31 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 ...
0
votes
1answer
10 views

Printing a PublicKey in C++

I've tried to print via: void printQuorumSet ( SCPQuorumSet set ) { for (auto validator: set.validators) std::cout << validator << ' '; } But that gives me: scp/test/...
1
vote
1answer
34 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 ...
0
votes
0answers
12 views

Horizon-Go Returns [Resource is missing] Exception

I'm using stellar-core last stable release & stellar/go last stable applications. Stellar Core : v12.2.0rc1 Horizon : https://github.com/stellar/go OS : Ubuntu 16.04 I installed stellar-core ...
1
vote
1answer
25 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?
0
votes
1answer
30 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 ...
0
votes
1answer
25 views

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 [...
1
vote
1answer
18 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 ...
0
votes
1answer
37 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:...
0
votes
0answers
6 views

What is the meaning “could not serialize access due to concurrent update” and “ERR_LOAD”?

Nov 05 05:56:11 ip-10-31-37-117 stellar-core[2512]: 2019-11-05T05:56:11.255 GDPUZ [Overlay ERROR] PeerManager::store error: Cannot execute query. ERROR: could not serialize access due to concurrent ...
0
votes
0answers
12 views

Install Stellar Core with errors “Could not find pg_ctl or pg_ctlcluster?” in Production

I need to install stellar-core and horizon in Production. I got the ERROR mention it need pg_ctl or pg_ctlcluster. I choose AWS as following: AWS EC2 t3a.medium. 2vcpu + 4GB RAM AWS RDS PostgreSQL ...
0
votes
0answers
15 views

Why do I have to backfill nodes each time?

I just created a new deployment of Stellar Core, Horizon-Ingest and Horizon nodes. My Core is at the top of the chain and fully synced. After confirming that it was indeed synced, I started the ...
0
votes
1answer
36 views

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 ...

1
2 3 4 5 6