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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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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Upgrading my wallet from old network to the new one “Email linked to it is lost”

I had a XLM wallet since it named "STR" and since it was first appeared in the market. I tried to login into it today and I got this: "The upgraded Stellar network is here! You have: xxxx STR When ...
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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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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
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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 ...
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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 ...
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1answer
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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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How to setup an anchor in Stellar network using Windows?

While there is a great deal of documentation on installing the packages, however, I couldn't follow it properly to install the stellar-core, horizon and Postgres database in windows. There is not ...
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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/...
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1answer
30 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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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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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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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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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 ...
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1answer
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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
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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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1answer
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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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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/...
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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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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: ...
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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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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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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 ...
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1answer
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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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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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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 ...
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“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....
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2answers
640 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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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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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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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 ...
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stellar withdrawal -

I withdrew my stellar twice but it failed. Stellar charged me. How do I get the charges back and why can't stellar transfer coins to coinspot?
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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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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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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/...
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1answer
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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
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?
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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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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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2answers
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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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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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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-...
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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 ...
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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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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....
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1answer
25 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
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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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2answers
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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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1answer
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Run core with catchup complete

I have a new stellar core instance with CATCHUP COMPLETE true and one stellar horizon instance with INGEST true. I'm totally new with stellar. I've started the core node and it's catching up the data....
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1answer
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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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